From 4b778b281d2abbe492292f0102ff8ac03d04b937 Mon Sep 17 00:00:00 2001 From: Jeff Parsons Date: Sat, 3 Sep 2016 17:43:06 -0700 Subject: [PATCH] Groundwork for a PDP-11 emulator (starting with a gutted copy of PC8080) --- Gruntfile.js | 85 +- devices/pdp11/machine/1170/test/machine.xml | 10 + devices/pdp11/panel/1170/wide.xml | 27 + modules/htmlout/lib/htmlout.js | 6 +- modules/markout/lib/markout.js | 2 +- modules/pc8080/lib/bus.js | 10 +- modules/pc8080/lib/chipset.js | 2 +- modules/pc8080/lib/computer.js | 2 +- modules/pc8080/lib/cpu.js | 12 +- modules/pc8080/lib/cpudef.js | 6 +- modules/pc8080/lib/cpuops.js | 488 +-- modules/pc8080/lib/cpustate.js | 302 +- modules/pc8080/lib/debugger.js | 4 +- modules/pc8080/lib/keyboard.js | 2 +- modules/pc8080/lib/panel.js | 2 +- modules/pc8080/lib/ram.js | 2 +- modules/pc8080/lib/rom.js | 2 +- modules/pc8080/lib/serialport.js | 2 +- modules/pc8080/lib/video.js | 2 +- modules/pdp11/lib/bus.js | 767 ++++ modules/pdp11/lib/computer.js | 1595 +++++++ modules/pdp11/lib/cpu.js | 1228 ++++++ modules/pdp11/lib/cpudef.js | 115 + modules/pdp11/lib/cpuops.js | 124 + modules/pdp11/lib/cpustate.js | 1053 +++++ modules/pdp11/lib/debugger.js | 4219 +++++++++++++++++++ modules/pdp11/lib/defines.js | 108 + modules/pdp11/lib/keyboard.js | 295 ++ modules/pdp11/lib/memory.js | 826 ++++ modules/pdp11/lib/messages.js | 89 + modules/pdp11/lib/nodebugger.js | 48 + modules/pdp11/lib/panel.js | 185 + modules/pdp11/lib/ram.js | 199 + modules/pdp11/lib/rom.js | 391 ++ modules/shared/lib/embed.js | 18 + package.json | 28 +- versions/c1pjs/1.24.2/c1p-dbg.js | 166 + versions/c1pjs/1.24.2/c1p.js | 127 + versions/c1pjs/1.24.2/common.css | 265 ++ versions/c1pjs/1.24.2/common.xsl | 58 + versions/c1pjs/1.24.2/components.css | 108 + versions/c1pjs/1.24.2/components.xsl | 588 +++ versions/c1pjs/1.24.2/document.css | 162 + versions/c1pjs/1.24.2/document.xsl | 452 ++ versions/c1pjs/1.24.2/machine.xsl | 49 + versions/c1pjs/1.24.2/manifest.xsl | 247 ++ versions/c1pjs/1.24.2/outline.xsl | 47 + versions/pc8080/1.24.2/common.css | 265 ++ versions/pc8080/1.24.2/common.xsl | 58 + versions/pc8080/1.24.2/components.css | 159 + versions/pc8080/1.24.2/components.xsl | 1242 ++++++ versions/pc8080/1.24.2/document.css | 162 + versions/pc8080/1.24.2/document.xsl | 452 ++ versions/pc8080/1.24.2/machine.xsl | 49 + versions/pc8080/1.24.2/manifest.xsl | 247 ++ versions/pc8080/1.24.2/outline.xsl | 47 + versions/pc8080/1.24.2/pc8080-dbg.js | 245 ++ versions/pc8080/1.24.2/pc8080.js | 162 + versions/pcx86/1.24.2/common.css | 265 ++ versions/pcx86/1.24.2/common.xsl | 58 + versions/pcx86/1.24.2/components.css | 159 + versions/pcx86/1.24.2/components.xsl | 1242 ++++++ versions/pcx86/1.24.2/document.css | 162 + versions/pcx86/1.24.2/document.xsl | 452 ++ versions/pcx86/1.24.2/machine.xsl | 49 + versions/pcx86/1.24.2/manifest.xsl | 247 ++ versions/pcx86/1.24.2/outline.xsl | 47 + versions/pcx86/1.24.2/pcx86-dbg.js | 819 ++++ versions/pcx86/1.24.2/pcx86.js | 639 +++ versions/pdp11/1.24.2/common.css | 265 ++ versions/pdp11/1.24.2/common.xsl | 58 + versions/pdp11/1.24.2/components.css | 159 + versions/pdp11/1.24.2/components.xsl | 1242 ++++++ versions/pdp11/1.24.2/document.css | 162 + versions/pdp11/1.24.2/document.xsl | 452 ++ versions/pdp11/1.24.2/machine.xsl | 49 + versions/pdp11/1.24.2/manifest.xsl | 247 ++ versions/pdp11/1.24.2/outline.xsl | 47 + versions/pdp11/1.24.2/pdp11-dbg.js | 143 + versions/pdp11/1.24.2/pdp11.js | 81 + 80 files changed, 24230 insertions(+), 427 deletions(-) create mode 100644 devices/pdp11/machine/1170/test/machine.xml create mode 100644 devices/pdp11/panel/1170/wide.xml create mode 100644 modules/pdp11/lib/bus.js create mode 100644 modules/pdp11/lib/computer.js create mode 100644 modules/pdp11/lib/cpu.js create mode 100644 modules/pdp11/lib/cpudef.js create mode 100644 modules/pdp11/lib/cpuops.js create mode 100644 modules/pdp11/lib/cpustate.js create mode 100644 modules/pdp11/lib/debugger.js create mode 100644 modules/pdp11/lib/defines.js create mode 100644 modules/pdp11/lib/keyboard.js create mode 100644 modules/pdp11/lib/memory.js create mode 100644 modules/pdp11/lib/messages.js create mode 100644 modules/pdp11/lib/nodebugger.js create mode 100644 modules/pdp11/lib/panel.js create mode 100644 modules/pdp11/lib/ram.js create mode 100644 modules/pdp11/lib/rom.js create mode 100644 versions/c1pjs/1.24.2/c1p-dbg.js create mode 100644 versions/c1pjs/1.24.2/c1p.js create mode 100644 versions/c1pjs/1.24.2/common.css create mode 100644 versions/c1pjs/1.24.2/common.xsl create mode 100644 versions/c1pjs/1.24.2/components.css create mode 100644 versions/c1pjs/1.24.2/components.xsl create mode 100644 versions/c1pjs/1.24.2/document.css create mode 100644 versions/c1pjs/1.24.2/document.xsl create mode 100644 versions/c1pjs/1.24.2/machine.xsl create mode 100644 versions/c1pjs/1.24.2/manifest.xsl create mode 100644 versions/c1pjs/1.24.2/outline.xsl create mode 100644 versions/pc8080/1.24.2/common.css create mode 100644 versions/pc8080/1.24.2/common.xsl create mode 100644 versions/pc8080/1.24.2/components.css create mode 100644 versions/pc8080/1.24.2/components.xsl create mode 100644 versions/pc8080/1.24.2/document.css create mode 100644 versions/pc8080/1.24.2/document.xsl create mode 100644 versions/pc8080/1.24.2/machine.xsl create mode 100644 versions/pc8080/1.24.2/manifest.xsl create mode 100644 versions/pc8080/1.24.2/outline.xsl create mode 100644 versions/pc8080/1.24.2/pc8080-dbg.js create mode 100644 versions/pc8080/1.24.2/pc8080.js create mode 100644 versions/pcx86/1.24.2/common.css create mode 100644 versions/pcx86/1.24.2/common.xsl create mode 100644 versions/pcx86/1.24.2/components.css create mode 100644 versions/pcx86/1.24.2/components.xsl create mode 100644 versions/pcx86/1.24.2/document.css create mode 100644 versions/pcx86/1.24.2/document.xsl create mode 100644 versions/pcx86/1.24.2/machine.xsl create mode 100644 versions/pcx86/1.24.2/manifest.xsl create mode 100644 versions/pcx86/1.24.2/outline.xsl create mode 100644 versions/pcx86/1.24.2/pcx86-dbg.js create mode 100644 versions/pcx86/1.24.2/pcx86.js create mode 100644 versions/pdp11/1.24.2/common.css create mode 100644 versions/pdp11/1.24.2/common.xsl create mode 100644 versions/pdp11/1.24.2/components.css create mode 100644 versions/pdp11/1.24.2/components.xsl create mode 100644 versions/pdp11/1.24.2/document.css create mode 100644 versions/pdp11/1.24.2/document.xsl create mode 100644 versions/pdp11/1.24.2/machine.xsl create mode 100644 versions/pdp11/1.24.2/manifest.xsl create mode 100644 versions/pdp11/1.24.2/outline.xsl create mode 100644 versions/pdp11/1.24.2/pdp11-dbg.js create mode 100644 versions/pdp11/1.24.2/pdp11.js diff --git a/Gruntfile.js b/Gruntfile.js index 6e5ef85d4..91130b5d9 100644 --- a/Gruntfile.js +++ b/Gruntfile.js @@ -118,13 +118,15 @@ module.exports = function(grunt) { * @property {Array.} c1pJSFiles * @property {Array.} pcX86Files * @property {Array.} pc8080Files + * @property {Array.} pdp11Files * @property {Array.} closureCompilerExterns */ var pkg = grunt.file.readJSON("package.json"); - var tmpC1Pjs = "./tmp/c1pjs/" + pkg.version + "/c1p.js"; - var tmpPCx86 = "./tmp/pcx86/" + pkg.version + "/pcx86.js"; + var tmpC1Pjs = "./tmp/c1pjs/" + pkg.version + "/c1p.js"; + var tmpPCx86 = "./tmp/pcx86/" + pkg.version + "/pcx86.js"; var tmpPC8080 = "./tmp/pc8080/" + pkg.version + "/pc8080.js"; + var tmpPDP11 = "./tmp/pdp11/" + pkg.version + "/pdp11.js"; grunt.initConfig({ pkg: pkg, // pass the "package.json" object to initConfig() as a property, too @@ -178,6 +180,19 @@ module.exports = function(grunt) { src: pkg.pc8080Files, dest: "./versions/pc8080/" + pkg.version + "/pc8080-dbg.js" }, + "pdp11.js": { + src: pkg.pdp11Files, + dest: "./versions/pdp11/" + pkg.version + "/pdp11.js", + options: { + process: function(src, filepath) { + return (path.basename(filepath) == "debugger.js"? "" : src); + } + } + }, + "pdp11-dbg.js": { + src: pkg.pdp11Files, + dest: "./versions/pdp11/" + pkg.version + "/pdp11-dbg.js" + }, "tmp-c1pjs": { src: pkg.c1pJSFiles, dest: tmpC1Pjs, @@ -210,8 +225,18 @@ module.exports = function(grunt) { src.replace(/(^|\n)[ \t]*(['"])use strict\2;?\s*/g, '$1').replace(/[ \t]*if\s*\(NODE\)\s*(\{[^}]*}|[^\n]*)(\n|$)/gm, '').replace(/[ \t]*if\s*\(typeof\s+(module|APP_PCJS)\s*!==\s*(['"])undefined\2\)\s*(\{[^}]*}|[^\n]*)(\n|$)/gm, '').replace(/[ \t]*[A-Za-z_][A-Za-z0-9_\.]*\.assert\([^\n]*\);[^\n]*/g, ''); } } + }, + "tmp-pdp11": { + src: pkg.pdp11Files, + dest: tmpPDP11, + options: { + banner: '"use strict";\n\n', + process: function(src, filepath) { + return "// " + filepath + "\n\n" + + src.replace(/(^|\n)[ \t]*(['"])use strict\2;?\s*/g, '$1').replace(/[ \t]*if\s*\(NODE\)\s*(\{[^}]*}|[^\n]*)(\n|$)/gm, '').replace(/[ \t]*if\s*\(typeof\s+(module|APP_PCJS)\s*!==\s*(['"])undefined\2\)\s*(\{[^}]*}|[^\n]*)(\n|$)/gm, '').replace(/[ \t]*[A-Za-z_][A-Za-z0-9_\.]*\.assert\([^\n]*\);[^\n]*/g, ''); + } + } } - }, prepjs: { options: { @@ -231,7 +256,12 @@ module.exports = function(grunt) { "pc8080.js": { src: pkg.pc8080Files, dest: tmpPC8080 + }, + "pdp11.js": { + src: pkg.pdp11Files, + dest: tmpPDP11 } + }, closureCompiler: { options: { @@ -363,6 +393,33 @@ module.exports = function(grunt) { // src: pkg.pc8080Files, src: tmpPC8080, dest: "./versions/pc8080/" + pkg.version + "/pc8080-dbg.js" + }, + "pdp11.js": { + TEMPcompilerOpts: { + // create_source_map: "./tmp/pdp11/" + pkg.version + "/pdp11.map", + define: ["\"APPVERSION='" + pkg.version + "'\"", + "\"SITEHOST='www.pcjs.org'\"", "COMPILED=true", "DEBUG=false", "DEBUGGER=false"], + // output_wrapper: "\"(function(){%output%})();//@ sourceMappingURL=/tmp/pdp11/" + pkg.version + "/pdp11.map\"" + output_wrapper: "\"(function(){%output%})();\"" + }, + // src: pkg.pdp11Files, + src: tmpPDP11, + dest: "./versions/pdp11/" + pkg.version + "/pdp11.js" + }, + "pdp11-dbg.js": { + /* + * Technically, this is the one case we don't need to override the default 'define' settings, but maybe it's best to be explicit. + */ + TEMPcompilerOpts: { + // create_source_map: "./tmp/pdp11/" + pkg.version + "/pdp11-dbg.map", + define: ["\"APPVERSION='" + pkg.version + "'\"", + "\"SITEHOST='www.pcjs.org'\"", "COMPILED=true", "DEBUG=false", "DEBUGGER=true"], + // output_wrapper: "\"(function(){%output%})();//@ sourceMappingURL=/tmp/pdp11/" + pkg.version + "/pdp11-dbg.map\"" + output_wrapper: "\"(function(){%output%})();\"" + }, + // src: pkg.pdp11Files, + src: tmpPDP11, + dest: "./versions/pdp11/" + pkg.version + "/pdp11-dbg.js" } }, copy: { @@ -439,6 +496,26 @@ module.exports = function(grunt) { } } }, + "pdp11": { + files: [ + { + cwd: "modules/shared/templates/", + src: ["common.css", "common.xsl", "components.*", "document.css", "document.xsl", "machine.xsl", "manifest.xsl", "outline.xsl"], + dest: "versions/pdp11/<%= pkg.version %>/", + expand: true + } + ], + options: { + process: function(content, srcPath) { + var s = content.replace(/()[^<]*(<\/xsl:variable>)/g, "$1pdp11$2"); + s = s.replace(/()[^<]*(<\/xsl:variable>)/g, "$1PDP11$2"); + s = s.replace(/()[^<]*(<\/xsl:variable>)/g, "$1" + pkg.version + "$2"); + s = s.replace(/"[^"]*\/?(common.css|common.xsl|components.css|components.xsl|document.css|document.xsl)"/g, '"/versions/pdp11/' + pkg.version + '/$1"'); + s = s.replace(/[ \t]*\/\*[^\*][\s\S]*?\*\//g, "").replace(/[ \t]*[ \t]*\n?/g, ""); + return s; + } + } + }, "examples": { files: [ { @@ -559,7 +636,7 @@ module.exports = function(grunt) { grunt.loadTasks("modules/grunts/prepjs/tasks"); - grunt.registerTask("preCompiler", grunt.option("rebuild")? ["concat:tmp-c1pjs", "concat:tmp-pcx86", "concat:tmp-pc8080"] : ["newer:concat:tmp-c1pjs", "newer:concat:tmp-pcx86", "newer:concat:tmp-pc8080"]); + grunt.registerTask("preCompiler", grunt.option("rebuild")? ["concat:tmp-c1pjs", "concat:tmp-pcx86", "concat:tmp-pc8080", "concat:tmp-pdp11"] : ["newer:concat:tmp-c1pjs", "newer:concat:tmp-pcx86", "newer:concat:tmp-pc8080", "newer:concat:tmp-pdp11"]); grunt.registerTask("compile", ["preCompiler", "closureCompiler", "replace:fix-source-maps"]); diff --git a/devices/pdp11/machine/1170/test/machine.xml b/devices/pdp11/machine/1170/test/machine.xml new file mode 100644 index 000000000..61f86e6b7 --- /dev/null +++ b/devices/pdp11/machine/1170/test/machine.xml @@ -0,0 +1,10 @@ + + + + PDP-11/70 Test Machine + + + + + + diff --git a/devices/pdp11/panel/1170/wide.xml b/devices/pdp11/panel/1170/wide.xml new file mode 100644 index 000000000..3325bcbfa --- /dev/null +++ b/devices/pdp11/panel/1170/wide.xml @@ -0,0 +1,27 @@ + + + Control Panel + + + + + 0000 + + 0 + 0 + 0 + 0 + + Speed: + Stopped + + + + Enter + Clear + Run + Step + Reset + Fast + + diff --git a/modules/htmlout/lib/htmlout.js b/modules/htmlout/lib/htmlout.js index 906d6e134..f0431ebad 100644 --- a/modules/htmlout/lib/htmlout.js +++ b/modules/htmlout/lib/htmlout.js @@ -57,6 +57,7 @@ var usr = require("../../shared/lib/usrlib"); * @property {Array.} pcCSSFiles * @property {Array.} pcX86Files * @property {Array.} pc8080Files + * @property {Array.} pdp11Files */ var pkg = require("../../../package.json"); @@ -170,7 +171,8 @@ var aMachineFiles = { 'C1P': pkg.c1pCSSFiles.concat(pkg.c1pJSFiles), // will be deprecated when PC6502 becomes available 'PC': pkg.pcCSSFiles.concat(pkg.pcX86Files), // deprecated (same as PCx86) 'PCx86': pkg.pcCSSFiles.concat(pkg.pcX86Files), - 'PC8080': pkg.pcCSSFiles.concat(pkg.pc8080Files) + 'PC8080': pkg.pcCSSFiles.concat(pkg.pc8080Files), + 'PDP11': pkg.pcCSSFiles.concat(pkg.pdp11Files) }; var aMachineFileTypes = { 'head': [".css"], // put BOTH ".css" and ".js" here if convertMDMachineLinks() embeds its own scripts @@ -1437,7 +1439,7 @@ HTMLOut.prototype.getMachineXML = function(sToken, sIndent, aParms, sXMLFile, sS * The common denominator in both sets is either "/pc" or "/c1p", which in turn indicates the type of machine * (eg, "PC", "C1P", etc). */ - aMatch = sStyleSheet.match(/\/(pc|c1p)([^/]*)/); + aMatch = sStyleSheet.match(/\/(pc|c1p|pdp)([^/]*)/); if (aMatch) { var sMachineType = aMatch[1].toUpperCase() + (aMatch[2] != "js"? aMatch[2] : ""); /* diff --git a/modules/markout/lib/markout.js b/modules/markout/lib/markout.js index 28b543edd..7e2ec5c70 100644 --- a/modules/markout/lib/markout.js +++ b/modules/markout/lib/markout.js @@ -1168,7 +1168,7 @@ MarkOut.prototype.convertMDMachineLinks = function(sBlock) * Start looking for Markdown-style machine links now... */ var cMatches = 0; - var reMachines = /\[(.*?)]\((.*?)\s*"(PC|C1P)([^:!|]*)([:!|])(.*?)"\)/gi; + var reMachines = /\[(.*?)]\((.*?)\s*"(PC|C1P|PDP)([^:!|]*)([:!|])(.*?)"\)/gi; while ((aMatch = reMachines.exec(sBlock))) { diff --git a/modules/pc8080/lib/bus.js b/modules/pc8080/lib/bus.js index 824f8456b..64b4b963a 100644 --- a/modules/pc8080/lib/bus.js +++ b/modules/pc8080/lib/bus.js @@ -63,7 +63,7 @@ if (NODE) { * @constructor * @extends Component * @param {Object} parmsBus - * @param {CPU8080State} cpu + * @param {CPUState8080} cpu * @param {Debugger8080} dbg */ function Bus8080(parmsBus, cpu, dbg) @@ -191,7 +191,7 @@ var BlockInfo; Bus8080.BlockInfo = usr.defineBitFields({num:20, count:8, btmod:1, type:3}); /** - * Bus8080Info object definition (returned by scanMemory()) + * BusInfo8080 object definition (returned by scanMemory()) * * cbTotal: total bytes allocated * cBlocks: total Memory blocks allocated @@ -203,7 +203,7 @@ Bus8080.BlockInfo = usr.defineBitFields({num:20, count:8, btmod:1, type:3}); * aBlocks: Array. * }} */ -var Bus8080Info; +var BusInfo8080; /** * initMemory() @@ -364,10 +364,10 @@ Bus8080.prototype.cleanMemory = function(addr, size) /** * scanMemory(info, addr, size) * - * Returns a Bus8080Info object for the specified address range. + * Returns a BusInfo8080 object for the specified address range. * * @this {Bus8080} - * @param {Object} [info] previous Bus8080Info, if any + * @param {Object} [info] previous BusInfo8080, if any * @param {number} [addr] starting address of range (0 if none provided) * @param {number} [size] size of range, in bytes (up to end of address space if none provided) * @return {Object} updated info (or new info if no previous info provided) diff --git a/modules/pc8080/lib/chipset.js b/modules/pc8080/lib/chipset.js index 4f60fab87..7514533a9 100644 --- a/modules/pc8080/lib/chipset.js +++ b/modules/pc8080/lib/chipset.js @@ -400,7 +400,7 @@ ChipSet8080.prototype.setBinding = function(sHTMLType, sBinding, control, sValue * @this {ChipSet8080} * @param {Computer8080} cmp * @param {Bus8080} bus - * @param {CPU8080State} cpu + * @param {CPUState8080} cpu * @param {Debugger8080} dbg */ ChipSet8080.prototype.initBus = function(cmp, bus, cpu, dbg) diff --git a/modules/pc8080/lib/computer.js b/modules/pc8080/lib/computer.js index 80d72eba0..df0a70f62 100644 --- a/modules/pc8080/lib/computer.js +++ b/modules/pc8080/lib/computer.js @@ -148,7 +148,7 @@ function Computer8080(parmsComputer, parmsMachine, fSuspended) { * where we know getComponentByType() will only return an CPUState object or null), wrap the expression * in parentheses. I never knew this until I stumbled across it in "Closure: The Definitive Guide". */ - this.cpu = /** @type {CPU8080State} */ (Component.getComponentByType("CPU", this.id)); + this.cpu = /** @type {CPUState8080} */ (Component.getComponentByType("CPU", this.id)); if (!this.cpu) { Component.error("Unable to find CPU component"); return; diff --git a/modules/pc8080/lib/cpu.js b/modules/pc8080/lib/cpu.js index d13140654..968c1508d 100644 --- a/modules/pc8080/lib/cpu.js +++ b/modules/pc8080/lib/cpu.js @@ -43,7 +43,7 @@ if (NODE) { * * The CPU8080 class supports the following (parmsCPU) properties: * - * cycles: the machine's base cycles per second; the CPU8080State constructor + * cycles: the machine's base cycles per second; the CPUState8080 constructor * will provide us with a default (based on the CPU model) to use as a fallback. * * multiplier: base cycle multiplier; default is 1. @@ -64,7 +64,7 @@ if (NODE) { * This component is primarily responsible for interfacing the CPU with the outside * world (eg, Panel and Debugger components), and managing overall CPU operation. * - * It is extended by the CPU8080State component, where the simulation control logic resides. + * It is extended by the CPUState8080 component, where the simulation control logic resides. * * @constructor * @extends Component @@ -199,7 +199,7 @@ CPU8080.prototype.reset = function() /** * save() * - * This is a placeholder for save support (overridden by the CPUState component). + * This is a placeholder for save support (overridden by the CPUState8080 component). * * @this {CPU8080} * @return {Object|null} @@ -212,7 +212,7 @@ CPU8080.prototype.save = function() /** * restore(data) * - * This is a placeholder for restore support (overridden by the CPUState component). + * This is a placeholder for restore support (overridden by the CPUState8080 component). * * @this {CPU8080} * @param {Object} data @@ -339,7 +339,7 @@ CPU8080.prototype.isRunning = function() /** * getChecksum() * - * This will be implemented by the CPUState component. + * This will be implemented by the CPUState8080 component. * * @this {CPU8080} * @return {number} a 32-bit summation of key elements of the current CPU state (used by the CPU checksum code) @@ -1145,7 +1145,7 @@ CPU8080.prototype.startCPU = function(fUpdateFocus) /** * stepCPU(nMinCycles) * - * This will be implemented by the CPUState component. + * This will be implemented by the CPUState8080 component. * * @this {CPU8080} * @param {number} nMinCycles (0 implies a single-step, and therefore breakpoints should be ignored) diff --git a/modules/pc8080/lib/cpudef.js b/modules/pc8080/lib/cpudef.js index 47f16fdd2..76f0513eb 100644 --- a/modules/pc8080/lib/cpudef.js +++ b/modules/pc8080/lib/cpudef.js @@ -94,9 +94,9 @@ var CPUDef8080 = { * Interrupt-related flags (stored in intFlags) */ INTFLAG: { - NONE: 0x0000, - INTR: 0x00ff, // mask for 8 bits, representing interrupt levels 0-7 - HALT: 0x0100 // halt requested; see opHLT() + NONE: 0x0000, + INTR: 0x00ff, // mask for 8 bits, representing interrupt levels 0-7 + HALT: 0x0100 // halt requested; see opHLT() }, /* * Opcode definitions diff --git a/modules/pc8080/lib/cpuops.js b/modules/pc8080/lib/cpuops.js index 4907afe53..cd56061a5 100644 --- a/modules/pc8080/lib/cpuops.js +++ b/modules/pc8080/lib/cpuops.js @@ -40,7 +40,7 @@ if (NODE) { /** * op=0x00 (NOP) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opNOP = function() { @@ -50,7 +50,7 @@ CPUDef8080.opNOP = function() /** * op=0x01 (LXI B,d16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opLXIB = function() { @@ -61,7 +61,7 @@ CPUDef8080.opLXIB = function() /** * op=0x02 (STAX B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSTAXB = function() { @@ -72,7 +72,7 @@ CPUDef8080.opSTAXB = function() /** * op=0x03 (INX B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINXB = function() { @@ -83,7 +83,7 @@ CPUDef8080.opINXB = function() /** * op=0x04 (INR B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINRB = function() { @@ -94,7 +94,7 @@ CPUDef8080.opINRB = function() /** * op=0x05 (DCR B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCRB = function() { @@ -105,7 +105,7 @@ CPUDef8080.opDCRB = function() /** * op=0x06 (MVI B,d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMVIB = function() { @@ -116,7 +116,7 @@ CPUDef8080.opMVIB = function() /** * op=0x07 (RLC) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRLC = function() { @@ -129,7 +129,7 @@ CPUDef8080.opRLC = function() /** * op=0x09 (DAD B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDADB = function() { @@ -142,7 +142,7 @@ CPUDef8080.opDADB = function() /** * op=0x0A (LDAX B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opLDAXB = function() { @@ -153,7 +153,7 @@ CPUDef8080.opLDAXB = function() /** * op=0x0B (DCX B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCXB = function() { @@ -164,7 +164,7 @@ CPUDef8080.opDCXB = function() /** * op=0x0C (INR C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINRC = function() { @@ -175,7 +175,7 @@ CPUDef8080.opINRC = function() /** * op=0x0D (DCR C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCRC = function() { @@ -186,7 +186,7 @@ CPUDef8080.opDCRC = function() /** * op=0x0E (MVI C,d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMVIC = function() { @@ -197,7 +197,7 @@ CPUDef8080.opMVIC = function() /** * op=0x0F (RRC) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRRC = function() { @@ -210,7 +210,7 @@ CPUDef8080.opRRC = function() /** * op=0x11 (LXI D,d16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opLXID = function() { @@ -221,7 +221,7 @@ CPUDef8080.opLXID = function() /** * op=0x12 (STAX D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSTAXD = function() { @@ -232,7 +232,7 @@ CPUDef8080.opSTAXD = function() /** * op=0x13 (INX D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINXD = function() { @@ -243,7 +243,7 @@ CPUDef8080.opINXD = function() /** * op=0x14 (INR D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINRD = function() { @@ -254,7 +254,7 @@ CPUDef8080.opINRD = function() /** * op=0x15 (DCR D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCRD = function() { @@ -265,7 +265,7 @@ CPUDef8080.opDCRD = function() /** * op=0x16 (MVI D,d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMVID = function() { @@ -276,7 +276,7 @@ CPUDef8080.opMVID = function() /** * op=0x17 (RAL) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRAL = function() { @@ -289,7 +289,7 @@ CPUDef8080.opRAL = function() /** * op=0x19 (DAD D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDADD = function() { @@ -302,7 +302,7 @@ CPUDef8080.opDADD = function() /** * op=0x1A (LDAX D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opLDAXD = function() { @@ -313,7 +313,7 @@ CPUDef8080.opLDAXD = function() /** * op=0x1B (DCX D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCXD = function() { @@ -324,7 +324,7 @@ CPUDef8080.opDCXD = function() /** * op=0x1C (INR E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINRE = function() { @@ -335,7 +335,7 @@ CPUDef8080.opINRE = function() /** * op=0x1D (DCR E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCRE = function() { @@ -346,7 +346,7 @@ CPUDef8080.opDCRE = function() /** * op=0x1E (MVI E,d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMVIE = function() { @@ -357,7 +357,7 @@ CPUDef8080.opMVIE = function() /** * op=0x1F (RAR) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRAR = function() { @@ -370,7 +370,7 @@ CPUDef8080.opRAR = function() /** * op=0x21 (LXI H,d16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opLXIH = function() { @@ -381,7 +381,7 @@ CPUDef8080.opLXIH = function() /** * op=0x22 (SHLD a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSHLD = function() { @@ -392,7 +392,7 @@ CPUDef8080.opSHLD = function() /** * op=0x23 (INX H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINXH = function() { @@ -403,7 +403,7 @@ CPUDef8080.opINXH = function() /** * op=0x24 (INR H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINRH = function() { @@ -414,7 +414,7 @@ CPUDef8080.opINRH = function() /** * op=0x25 (DCR H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCRH = function() { @@ -425,7 +425,7 @@ CPUDef8080.opDCRH = function() /** * op=0x26 (MVI H,d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMVIH = function() { @@ -436,7 +436,7 @@ CPUDef8080.opMVIH = function() /** * op=0x27 (DAA) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDAA = function() { @@ -458,7 +458,7 @@ CPUDef8080.opDAA = function() /** * op=0x29 (DAD H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDADH = function() { @@ -471,7 +471,7 @@ CPUDef8080.opDADH = function() /** * op=0x2A (LHLD a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opLHLD = function() { @@ -482,7 +482,7 @@ CPUDef8080.opLHLD = function() /** * op=0x2B (DCX H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCXH = function() { @@ -493,7 +493,7 @@ CPUDef8080.opDCXH = function() /** * op=0x2C (INR L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINRL = function() { @@ -504,7 +504,7 @@ CPUDef8080.opINRL = function() /** * op=0x2D (DCR L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCRL = function() { @@ -515,7 +515,7 @@ CPUDef8080.opDCRL = function() /** * op=0x2E (MVI L,d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMVIL = function() { @@ -526,7 +526,7 @@ CPUDef8080.opMVIL = function() /** * op=0x2F (CMA) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCMA = function() { @@ -537,7 +537,7 @@ CPUDef8080.opCMA = function() /** * op=0x31 (LXI SP,d16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opLXISP = function() { @@ -548,7 +548,7 @@ CPUDef8080.opLXISP = function() /** * op=0x32 (STA a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSTA = function() { @@ -559,7 +559,7 @@ CPUDef8080.opSTA = function() /** * op=0x33 (INX SP) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINXSP = function() { @@ -570,7 +570,7 @@ CPUDef8080.opINXSP = function() /** * op=0x34 (INR M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINRM = function() { @@ -582,7 +582,7 @@ CPUDef8080.opINRM = function() /** * op=0x35 (DCR M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCRM = function() { @@ -594,7 +594,7 @@ CPUDef8080.opDCRM = function() /** * op=0x36 (MVI M,d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMVIM = function() { @@ -605,7 +605,7 @@ CPUDef8080.opMVIM = function() /** * op=0x37 (STC) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSTC = function() { @@ -616,7 +616,7 @@ CPUDef8080.opSTC = function() /** * op=0x39 (DAD SP) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDADSP = function() { @@ -629,7 +629,7 @@ CPUDef8080.opDADSP = function() /** * op=0x3A (LDA a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opLDA = function() { @@ -640,7 +640,7 @@ CPUDef8080.opLDA = function() /** * op=0x3B (DCX SP) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCXSP = function() { @@ -651,7 +651,7 @@ CPUDef8080.opDCXSP = function() /** * op=0x3C (INR A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opINRA = function() { @@ -662,7 +662,7 @@ CPUDef8080.opINRA = function() /** * op=0x3D (DCR A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDCRA = function() { @@ -673,7 +673,7 @@ CPUDef8080.opDCRA = function() /** * op=0x3E (MVI A,d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMVIA = function() { @@ -684,7 +684,7 @@ CPUDef8080.opMVIA = function() /** * op=0x3F (CMC) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCMC = function() { @@ -695,7 +695,7 @@ CPUDef8080.opCMC = function() /** * op=0x40 (MOV B,B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVBB = function() { @@ -705,7 +705,7 @@ CPUDef8080.opMOVBB = function() /** * op=0x41 (MOV B,C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVBC = function() { @@ -716,7 +716,7 @@ CPUDef8080.opMOVBC = function() /** * op=0x42 (MOV B,D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVBD = function() { @@ -727,7 +727,7 @@ CPUDef8080.opMOVBD = function() /** * op=0x43 (MOV B,E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVBE = function() { @@ -738,7 +738,7 @@ CPUDef8080.opMOVBE = function() /** * op=0x44 (MOV B,H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVBH = function() { @@ -749,7 +749,7 @@ CPUDef8080.opMOVBH = function() /** * op=0x45 (MOV B,L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVBL = function() { @@ -760,7 +760,7 @@ CPUDef8080.opMOVBL = function() /** * op=0x46 (MOV B,M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVBM = function() { @@ -771,7 +771,7 @@ CPUDef8080.opMOVBM = function() /** * op=0x47 (MOV B,A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVBA = function() { @@ -782,7 +782,7 @@ CPUDef8080.opMOVBA = function() /** * op=0x48 (MOV C,B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVCB = function() { @@ -793,7 +793,7 @@ CPUDef8080.opMOVCB = function() /** * op=0x49 (MOV C,C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVCC = function() { @@ -803,7 +803,7 @@ CPUDef8080.opMOVCC = function() /** * op=0x4A (MOV C,D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVCD = function() { @@ -814,7 +814,7 @@ CPUDef8080.opMOVCD = function() /** * op=0x4B (MOV C,E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVCE = function() { @@ -825,7 +825,7 @@ CPUDef8080.opMOVCE = function() /** * op=0x4C (MOV C,H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVCH = function() { @@ -836,7 +836,7 @@ CPUDef8080.opMOVCH = function() /** * op=0x4D (MOV C,L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVCL = function() { @@ -847,7 +847,7 @@ CPUDef8080.opMOVCL = function() /** * op=0x4E (MOV C,M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVCM = function() { @@ -858,7 +858,7 @@ CPUDef8080.opMOVCM = function() /** * op=0x4F (MOV C,A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVCA = function() { @@ -869,7 +869,7 @@ CPUDef8080.opMOVCA = function() /** * op=0x50 (MOV D,B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVDB = function() { @@ -880,7 +880,7 @@ CPUDef8080.opMOVDB = function() /** * op=0x51 (MOV D,C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVDC = function() { @@ -891,7 +891,7 @@ CPUDef8080.opMOVDC = function() /** * op=0x52 (MOV D,D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVDD = function() { @@ -901,7 +901,7 @@ CPUDef8080.opMOVDD = function() /** * op=0x53 (MOV D,E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVDE = function() { @@ -912,7 +912,7 @@ CPUDef8080.opMOVDE = function() /** * op=0x54 (MOV D,H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVDH = function() { @@ -923,7 +923,7 @@ CPUDef8080.opMOVDH = function() /** * op=0x55 (MOV D,L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVDL = function() { @@ -934,7 +934,7 @@ CPUDef8080.opMOVDL = function() /** * op=0x56 (MOV D,M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVDM = function() { @@ -945,7 +945,7 @@ CPUDef8080.opMOVDM = function() /** * op=0x57 (MOV D,A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVDA = function() { @@ -956,7 +956,7 @@ CPUDef8080.opMOVDA = function() /** * op=0x58 (MOV E,B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVEB = function() { @@ -967,7 +967,7 @@ CPUDef8080.opMOVEB = function() /** * op=0x59 (MOV E,C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVEC = function() { @@ -978,7 +978,7 @@ CPUDef8080.opMOVEC = function() /** * op=0x5A (MOV E,D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVED = function() { @@ -989,7 +989,7 @@ CPUDef8080.opMOVED = function() /** * op=0x5B (MOV E,E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVEE = function() { @@ -999,7 +999,7 @@ CPUDef8080.opMOVEE = function() /** * op=0x5C (MOV E,H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVEH = function() { @@ -1010,7 +1010,7 @@ CPUDef8080.opMOVEH = function() /** * op=0x5D (MOV E,L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVEL = function() { @@ -1021,7 +1021,7 @@ CPUDef8080.opMOVEL = function() /** * op=0x5E (MOV E,M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVEM = function() { @@ -1032,7 +1032,7 @@ CPUDef8080.opMOVEM = function() /** * op=0x5F (MOV E,A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVEA = function() { @@ -1043,7 +1043,7 @@ CPUDef8080.opMOVEA = function() /** * op=0x60 (MOV H,B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVHB = function() { @@ -1054,7 +1054,7 @@ CPUDef8080.opMOVHB = function() /** * op=0x61 (MOV H,C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVHC = function() { @@ -1065,7 +1065,7 @@ CPUDef8080.opMOVHC = function() /** * op=0x62 (MOV H,D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVHD = function() { @@ -1076,7 +1076,7 @@ CPUDef8080.opMOVHD = function() /** * op=0x63 (MOV H,E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVHE = function() { @@ -1087,7 +1087,7 @@ CPUDef8080.opMOVHE = function() /** * op=0x64 (MOV H,H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVHH = function() { @@ -1097,7 +1097,7 @@ CPUDef8080.opMOVHH = function() /** * op=0x65 (MOV H,L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVHL = function() { @@ -1108,7 +1108,7 @@ CPUDef8080.opMOVHL = function() /** * op=0x66 (MOV H,M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVHM = function() { @@ -1119,7 +1119,7 @@ CPUDef8080.opMOVHM = function() /** * op=0x67 (MOV H,A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVHA = function() { @@ -1130,7 +1130,7 @@ CPUDef8080.opMOVHA = function() /** * op=0x68 (MOV L,B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVLB = function() { @@ -1141,7 +1141,7 @@ CPUDef8080.opMOVLB = function() /** * op=0x69 (MOV L,C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVLC = function() { @@ -1152,7 +1152,7 @@ CPUDef8080.opMOVLC = function() /** * op=0x6A (MOV L,D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVLD = function() { @@ -1163,7 +1163,7 @@ CPUDef8080.opMOVLD = function() /** * op=0x6B (MOV L,E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVLE = function() { @@ -1174,7 +1174,7 @@ CPUDef8080.opMOVLE = function() /** * op=0x6C (MOV L,H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVLH = function() { @@ -1185,7 +1185,7 @@ CPUDef8080.opMOVLH = function() /** * op=0x6D (MOV L,L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVLL = function() { @@ -1195,7 +1195,7 @@ CPUDef8080.opMOVLL = function() /** * op=0x6E (MOV L,M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVLM = function() { @@ -1206,7 +1206,7 @@ CPUDef8080.opMOVLM = function() /** * op=0x6F (MOV L,A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVLA = function() { @@ -1217,7 +1217,7 @@ CPUDef8080.opMOVLA = function() /** * op=0x70 (MOV M,B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVMB = function() { @@ -1228,7 +1228,7 @@ CPUDef8080.opMOVMB = function() /** * op=0x71 (MOV M,C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVMC = function() { @@ -1239,7 +1239,7 @@ CPUDef8080.opMOVMC = function() /** * op=0x72 (MOV M,D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVMD = function() { @@ -1250,7 +1250,7 @@ CPUDef8080.opMOVMD = function() /** * op=0x73 (MOV M,E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVME = function() { @@ -1261,7 +1261,7 @@ CPUDef8080.opMOVME = function() /** * op=0x74 (MOV M,H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVMH = function() { @@ -1272,7 +1272,7 @@ CPUDef8080.opMOVMH = function() /** * op=0x75 (MOV M,L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVML = function() { @@ -1283,7 +1283,7 @@ CPUDef8080.opMOVML = function() /** * op=0x76 (HLT) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opHLT = function() { @@ -1331,7 +1331,7 @@ CPUDef8080.opHLT = function() /** * op=0x77 (MOV M,A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVMA = function() { @@ -1342,7 +1342,7 @@ CPUDef8080.opMOVMA = function() /** * op=0x78 (MOV A,B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVAB = function() { @@ -1353,7 +1353,7 @@ CPUDef8080.opMOVAB = function() /** * op=0x79 (MOV A,C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVAC = function() { @@ -1364,7 +1364,7 @@ CPUDef8080.opMOVAC = function() /** * op=0x7A (MOV A,D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVAD = function() { @@ -1375,7 +1375,7 @@ CPUDef8080.opMOVAD = function() /** * op=0x7B (MOV A,E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVAE = function() { @@ -1386,7 +1386,7 @@ CPUDef8080.opMOVAE = function() /** * op=0x7C (MOV A,H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVAH = function() { @@ -1397,7 +1397,7 @@ CPUDef8080.opMOVAH = function() /** * op=0x7D (MOV A,L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVAL = function() { @@ -1408,7 +1408,7 @@ CPUDef8080.opMOVAL = function() /** * op=0x7E (MOV A,M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVAM = function() { @@ -1419,7 +1419,7 @@ CPUDef8080.opMOVAM = function() /** * op=0x7F (MOV A,A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opMOVAA = function() { @@ -1429,7 +1429,7 @@ CPUDef8080.opMOVAA = function() /** * op=0x80 (ADD B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADDB = function() { @@ -1440,7 +1440,7 @@ CPUDef8080.opADDB = function() /** * op=0x81 (ADD C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADDC = function() { @@ -1451,7 +1451,7 @@ CPUDef8080.opADDC = function() /** * op=0x82 (ADD D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADDD = function() { @@ -1462,7 +1462,7 @@ CPUDef8080.opADDD = function() /** * op=0x83 (ADD E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADDE = function() { @@ -1473,7 +1473,7 @@ CPUDef8080.opADDE = function() /** * op=0x84 (ADD H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADDH = function() { @@ -1484,7 +1484,7 @@ CPUDef8080.opADDH = function() /** * op=0x85 (ADD L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADDL = function() { @@ -1495,7 +1495,7 @@ CPUDef8080.opADDL = function() /** * op=0x86 (ADD M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADDM = function() { @@ -1506,7 +1506,7 @@ CPUDef8080.opADDM = function() /** * op=0x87 (ADD A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADDA = function() { @@ -1517,7 +1517,7 @@ CPUDef8080.opADDA = function() /** * op=0x88 (ADC B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADCB = function() { @@ -1528,7 +1528,7 @@ CPUDef8080.opADCB = function() /** * op=0x89 (ADC C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADCC = function() { @@ -1539,7 +1539,7 @@ CPUDef8080.opADCC = function() /** * op=0x8A (ADC D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADCD = function() { @@ -1550,7 +1550,7 @@ CPUDef8080.opADCD = function() /** * op=0x8B (ADC E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADCE = function() { @@ -1561,7 +1561,7 @@ CPUDef8080.opADCE = function() /** * op=0x8C (ADC H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADCH = function() { @@ -1572,7 +1572,7 @@ CPUDef8080.opADCH = function() /** * op=0x8D (ADC L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADCL = function() { @@ -1583,7 +1583,7 @@ CPUDef8080.opADCL = function() /** * op=0x8E (ADC M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADCM = function() { @@ -1594,7 +1594,7 @@ CPUDef8080.opADCM = function() /** * op=0x8F (ADC A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADCA = function() { @@ -1605,7 +1605,7 @@ CPUDef8080.opADCA = function() /** * op=0x90 (SUB B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSUBB = function() { @@ -1616,7 +1616,7 @@ CPUDef8080.opSUBB = function() /** * op=0x91 (SUB C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSUBC = function() { @@ -1627,7 +1627,7 @@ CPUDef8080.opSUBC = function() /** * op=0x92 (SUB D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSUBD = function() { @@ -1638,7 +1638,7 @@ CPUDef8080.opSUBD = function() /** * op=0x93 (SUB E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSUBE = function() { @@ -1649,7 +1649,7 @@ CPUDef8080.opSUBE = function() /** * op=0x94 (SUB H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSUBH = function() { @@ -1660,7 +1660,7 @@ CPUDef8080.opSUBH = function() /** * op=0x95 (SUB L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSUBL = function() { @@ -1671,7 +1671,7 @@ CPUDef8080.opSUBL = function() /** * op=0x96 (SUB M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSUBM = function() { @@ -1682,7 +1682,7 @@ CPUDef8080.opSUBM = function() /** * op=0x97 (SUB A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSUBA = function() { @@ -1693,7 +1693,7 @@ CPUDef8080.opSUBA = function() /** * op=0x98 (SBB B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSBBB = function() { @@ -1704,7 +1704,7 @@ CPUDef8080.opSBBB = function() /** * op=0x99 (SBB C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSBBC = function() { @@ -1715,7 +1715,7 @@ CPUDef8080.opSBBC = function() /** * op=0x9A (SBB D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSBBD = function() { @@ -1726,7 +1726,7 @@ CPUDef8080.opSBBD = function() /** * op=0x9B (SBB E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSBBE = function() { @@ -1737,7 +1737,7 @@ CPUDef8080.opSBBE = function() /** * op=0x9C (SBB H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSBBH = function() { @@ -1748,7 +1748,7 @@ CPUDef8080.opSBBH = function() /** * op=0x9D (SBB L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSBBL = function() { @@ -1759,7 +1759,7 @@ CPUDef8080.opSBBL = function() /** * op=0x9E (SBB M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSBBM = function() { @@ -1770,7 +1770,7 @@ CPUDef8080.opSBBM = function() /** * op=0x9F (SBB A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSBBA = function() { @@ -1781,7 +1781,7 @@ CPUDef8080.opSBBA = function() /** * op=0xA0 (ANA B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opANAB = function() { @@ -1792,7 +1792,7 @@ CPUDef8080.opANAB = function() /** * op=0xA1 (ANA C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opANAC = function() { @@ -1803,7 +1803,7 @@ CPUDef8080.opANAC = function() /** * op=0xA2 (ANA D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opANAD = function() { @@ -1814,7 +1814,7 @@ CPUDef8080.opANAD = function() /** * op=0xA3 (ANA E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opANAE = function() { @@ -1825,7 +1825,7 @@ CPUDef8080.opANAE = function() /** * op=0xA4 (ANA H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opANAH = function() { @@ -1836,7 +1836,7 @@ CPUDef8080.opANAH = function() /** * op=0xA5 (ANA L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opANAL = function() { @@ -1847,7 +1847,7 @@ CPUDef8080.opANAL = function() /** * op=0xA6 (ANA M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opANAM = function() { @@ -1858,7 +1858,7 @@ CPUDef8080.opANAM = function() /** * op=0xA7 (ANA A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opANAA = function() { @@ -1869,7 +1869,7 @@ CPUDef8080.opANAA = function() /** * op=0xA8 (XRA B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opXRAB = function() { @@ -1880,7 +1880,7 @@ CPUDef8080.opXRAB = function() /** * op=0xA9 (XRA C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opXRAC = function() { @@ -1891,7 +1891,7 @@ CPUDef8080.opXRAC = function() /** * op=0xAA (XRA D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opXRAD = function() { @@ -1902,7 +1902,7 @@ CPUDef8080.opXRAD = function() /** * op=0xAB (XRA E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opXRAE = function() { @@ -1913,7 +1913,7 @@ CPUDef8080.opXRAE = function() /** * op=0xAC (XRA H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opXRAH = function() { @@ -1924,7 +1924,7 @@ CPUDef8080.opXRAH = function() /** * op=0xAD (XRA L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opXRAL = function() { @@ -1935,7 +1935,7 @@ CPUDef8080.opXRAL = function() /** * op=0xAE (XRA M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opXRAM = function() { @@ -1946,7 +1946,7 @@ CPUDef8080.opXRAM = function() /** * op=0xAF (XRA A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opXRAA = function() { @@ -1957,7 +1957,7 @@ CPUDef8080.opXRAA = function() /** * op=0xB0 (ORA B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opORAB = function() { @@ -1968,7 +1968,7 @@ CPUDef8080.opORAB = function() /** * op=0xB1 (ORA C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opORAC = function() { @@ -1979,7 +1979,7 @@ CPUDef8080.opORAC = function() /** * op=0xB2 (ORA D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opORAD = function() { @@ -1990,7 +1990,7 @@ CPUDef8080.opORAD = function() /** * op=0xB3 (ORA E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opORAE = function() { @@ -2001,7 +2001,7 @@ CPUDef8080.opORAE = function() /** * op=0xB4 (ORA H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opORAH = function() { @@ -2012,7 +2012,7 @@ CPUDef8080.opORAH = function() /** * op=0xB5 (ORA L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opORAL = function() { @@ -2023,7 +2023,7 @@ CPUDef8080.opORAL = function() /** * op=0xB6 (ORA M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opORAM = function() { @@ -2034,7 +2034,7 @@ CPUDef8080.opORAM = function() /** * op=0xB7 (ORA A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opORAA = function() { @@ -2045,7 +2045,7 @@ CPUDef8080.opORAA = function() /** * op=0xB8 (CMP B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCMPB = function() { @@ -2056,7 +2056,7 @@ CPUDef8080.opCMPB = function() /** * op=0xB9 (CMP C) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCMPC = function() { @@ -2067,7 +2067,7 @@ CPUDef8080.opCMPC = function() /** * op=0xBA (CMP D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCMPD = function() { @@ -2078,7 +2078,7 @@ CPUDef8080.opCMPD = function() /** * op=0xBB (CMP E) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCMPE = function() { @@ -2089,7 +2089,7 @@ CPUDef8080.opCMPE = function() /** * op=0xBC (CMP H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCMPH = function() { @@ -2100,7 +2100,7 @@ CPUDef8080.opCMPH = function() /** * op=0xBD (CMP L) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCMPL = function() { @@ -2111,7 +2111,7 @@ CPUDef8080.opCMPL = function() /** * op=0xBE (CMP M) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCMPM = function() { @@ -2122,7 +2122,7 @@ CPUDef8080.opCMPM = function() /** * op=0xBF (CMP A) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCMPA = function() { @@ -2133,7 +2133,7 @@ CPUDef8080.opCMPA = function() /** * op=0xC0 (RNZ) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRNZ = function() { @@ -2147,7 +2147,7 @@ CPUDef8080.opRNZ = function() /** * op=0xC1 (POP B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opPOPB = function() { @@ -2158,7 +2158,7 @@ CPUDef8080.opPOPB = function() /** * op=0xC2 (JNZ a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opJNZ = function() { @@ -2170,7 +2170,7 @@ CPUDef8080.opJNZ = function() /** * op=0xC3 (JMP a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opJMP = function() { @@ -2181,7 +2181,7 @@ CPUDef8080.opJMP = function() /** * op=0xC4 (CNZ a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCNZ = function() { @@ -2197,7 +2197,7 @@ CPUDef8080.opCNZ = function() /** * op=0xC5 (PUSH B) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opPUSHB = function() { @@ -2208,7 +2208,7 @@ CPUDef8080.opPUSHB = function() /** * op=0xC6 (ADI d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opADI = function() { @@ -2219,7 +2219,7 @@ CPUDef8080.opADI = function() /** * op=0xC7 (RST 0) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRST0 = function() { @@ -2231,7 +2231,7 @@ CPUDef8080.opRST0 = function() /** * op=0xC8 (RZ) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRZ = function() { @@ -2245,7 +2245,7 @@ CPUDef8080.opRZ = function() /** * op=0xC9 (RET) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRET = function() { @@ -2256,7 +2256,7 @@ CPUDef8080.opRET = function() /** * op=0xCA (JZ a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opJZ = function() { @@ -2268,7 +2268,7 @@ CPUDef8080.opJZ = function() /** * op=0xCC (CZ a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCZ = function() { @@ -2284,7 +2284,7 @@ CPUDef8080.opCZ = function() /** * op=0xCD (CALL a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCALL = function() { @@ -2297,7 +2297,7 @@ CPUDef8080.opCALL = function() /** * op=0xCE (ACI d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opACI = function() { @@ -2308,7 +2308,7 @@ CPUDef8080.opACI = function() /** * op=0xCF (RST 1) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRST1 = function() { @@ -2320,7 +2320,7 @@ CPUDef8080.opRST1 = function() /** * op=0xD0 (RNC) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRNC = function() { @@ -2334,7 +2334,7 @@ CPUDef8080.opRNC = function() /** * op=0xD1 (POP D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opPOPD = function() { @@ -2345,7 +2345,7 @@ CPUDef8080.opPOPD = function() /** * op=0xD2 (JNC a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opJNC = function() { @@ -2357,7 +2357,7 @@ CPUDef8080.opJNC = function() /** * op=0xD3 (OUT d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opOUT = function() { @@ -2369,7 +2369,7 @@ CPUDef8080.opOUT = function() /** * op=0xD4 (CNC a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCNC = function() { @@ -2385,7 +2385,7 @@ CPUDef8080.opCNC = function() /** * op=0xD5 (PUSH D) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opPUSHD = function() { @@ -2396,7 +2396,7 @@ CPUDef8080.opPUSHD = function() /** * op=0xD6 (SUI d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSUI = function() { @@ -2407,7 +2407,7 @@ CPUDef8080.opSUI = function() /** * op=0xD7 (RST 2) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRST2 = function() { @@ -2419,7 +2419,7 @@ CPUDef8080.opRST2 = function() /** * op=0xD8 (RC) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRC = function() { @@ -2433,7 +2433,7 @@ CPUDef8080.opRC = function() /** * op=0xDA (JC a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opJC = function() { @@ -2445,7 +2445,7 @@ CPUDef8080.opJC = function() /** * op=0xDB (IN d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opIN = function() { @@ -2457,7 +2457,7 @@ CPUDef8080.opIN = function() /** * op=0xDC (CC a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCC = function() { @@ -2473,7 +2473,7 @@ CPUDef8080.opCC = function() /** * op=0xDE (SBI d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSBI = function() { @@ -2484,7 +2484,7 @@ CPUDef8080.opSBI = function() /** * op=0xDF (RST 3) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRST3 = function() { @@ -2496,7 +2496,7 @@ CPUDef8080.opRST3 = function() /** * op=0xE0 (RPO) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRPO = function() { @@ -2510,7 +2510,7 @@ CPUDef8080.opRPO = function() /** * op=0xE1 (POP H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opPOPH = function() { @@ -2521,7 +2521,7 @@ CPUDef8080.opPOPH = function() /** * op=0xE2 (JPO a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opJPO = function() { @@ -2533,7 +2533,7 @@ CPUDef8080.opJPO = function() /** * op=0xE3 (XTHL) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opXTHL = function() { @@ -2546,7 +2546,7 @@ CPUDef8080.opXTHL = function() /** * op=0xE4 (CPO a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCPO = function() { @@ -2562,7 +2562,7 @@ CPUDef8080.opCPO = function() /** * op=0xE5 (PUSH H) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opPUSHH = function() { @@ -2573,7 +2573,7 @@ CPUDef8080.opPUSHH = function() /** * op=0xE6 (ANI d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opANI = function() { @@ -2584,7 +2584,7 @@ CPUDef8080.opANI = function() /** * op=0xE7 (RST 4) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRST4 = function() { @@ -2596,7 +2596,7 @@ CPUDef8080.opRST4 = function() /** * op=0xE8 (RPE) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRPE = function() { @@ -2610,7 +2610,7 @@ CPUDef8080.opRPE = function() /** * op=0xE9 (PCHL) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opPCHL = function() { @@ -2621,7 +2621,7 @@ CPUDef8080.opPCHL = function() /** * op=0xEA (JPE a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opJPE = function() { @@ -2633,7 +2633,7 @@ CPUDef8080.opJPE = function() /** * op=0xEB (XCHG) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opXCHG = function() { @@ -2646,7 +2646,7 @@ CPUDef8080.opXCHG = function() /** * op=0xEC (CPE a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCPE = function() { @@ -2662,7 +2662,7 @@ CPUDef8080.opCPE = function() /** * op=0xEE (XRI d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opXRI = function() { @@ -2673,7 +2673,7 @@ CPUDef8080.opXRI = function() /** * op=0xEF (RST 5) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRST5 = function() { @@ -2685,7 +2685,7 @@ CPUDef8080.opRST5 = function() /** * op=0xF0 (RP) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRP = function() { @@ -2699,7 +2699,7 @@ CPUDef8080.opRP = function() /** * op=0xF1 (POP PSW) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opPOPSW = function() { @@ -2710,7 +2710,7 @@ CPUDef8080.opPOPSW = function() /** * op=0xF2 (JP a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opJP = function() { @@ -2722,7 +2722,7 @@ CPUDef8080.opJP = function() /** * op=0xF3 (DI) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opDI = function() { @@ -2733,7 +2733,7 @@ CPUDef8080.opDI = function() /** * op=0xF4 (CP a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCP = function() { @@ -2749,7 +2749,7 @@ CPUDef8080.opCP = function() /** * op=0xF5 (PUSH PSW) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opPUPSW = function() { @@ -2760,7 +2760,7 @@ CPUDef8080.opPUPSW = function() /** * op=0xF6 (ORI d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opORI = function() { @@ -2771,7 +2771,7 @@ CPUDef8080.opORI = function() /** * op=0xF7 (RST 6) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRST6 = function() { @@ -2783,7 +2783,7 @@ CPUDef8080.opRST6 = function() /** * op=0xF8 (RM) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRM = function() { @@ -2797,7 +2797,7 @@ CPUDef8080.opRM = function() /** * op=0xF9 (SPHL) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opSPHL = function() { @@ -2808,7 +2808,7 @@ CPUDef8080.opSPHL = function() /** * op=0xFA (JM a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opJM = function() { @@ -2820,7 +2820,7 @@ CPUDef8080.opJM = function() /** * op=0xFB (EI) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opEI = function() { @@ -2832,7 +2832,7 @@ CPUDef8080.opEI = function() /** * op=0xFC (CM a16) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCM = function() { @@ -2848,7 +2848,7 @@ CPUDef8080.opCM = function() /** * op=0xFE (CPI d8) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opCPI = function() { @@ -2859,7 +2859,7 @@ CPUDef8080.opCPI = function() /** * op=0xFF (RST 7) * - * @this {CPU8080State} + * @this {CPUState8080} */ CPUDef8080.opRST7 = function() { diff --git a/modules/pc8080/lib/cpustate.js b/modules/pc8080/lib/cpustate.js index 5ab1fe374..5900e3d2c 100644 --- a/modules/pc8080/lib/cpustate.js +++ b/modules/pc8080/lib/cpustate.js @@ -44,9 +44,9 @@ if (NODE) { } /** - * CPU8080State(parmsCPU) + * CPUState8080(parmsCPU) * - * The CPU8080State class uses the following (parmsCPU) properties: + * The CPUState8080 class uses the following (parmsCPU) properties: * * model: a number (eg, 8080) that should match one of the CPUDef8080.MODEL_* values * @@ -54,14 +54,14 @@ if (NODE) { * constructor, along with a default speed (cycles per second) based on the specified (or default) * CPU model number. * - * The CPU8080State class was initially written to simulate a 8080 microprocessor, although over time + * The CPUState8080 class was initially written to simulate a 8080 microprocessor, although over time * it may evolved to support other microprocessors (eg, the Zilog Z80). * * @constructor * @extends CPU8080 * @param {Object} parmsCPU */ -function CPU8080State(parmsCPU) +function CPUState8080(parmsCPU) { this.model = +parmsCPU['model'] || CPUDef8080.MODEL_8080; @@ -105,17 +105,17 @@ function CPU8080State(parmsCPU) this.resetRegs(); } -Component.subclass(CPU8080State, CPU8080); +Component.subclass(CPUState8080, CPU8080); /** * addHaltCheck(fn) * * Records a function that will be called during HLT opcode processing. * - * @this {CPU8080State} + * @this {CPUState8080} * @param {function(number)} fn */ -CPU8080State.prototype.addHaltCheck = function(fn) +CPUState8080.prototype.addHaltCheck = function(fn) { this.afnHalt.push(fn); }; @@ -129,9 +129,9 @@ CPU8080State.prototype.addHaltCheck = function(fn) * a Closure Compiler optimization is defeated when generating the function array at run-time instead of at * compile-time. * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.initProcessor = function() +CPUState8080.prototype.initProcessor = function() { this.aOps = CPUDef8080.aOps8080; }; @@ -139,9 +139,9 @@ CPU8080State.prototype.initProcessor = function() /** * reset() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.reset = function() +CPUState8080.prototype.reset = function() { if (this.flags.fRunning) this.stopCPU(); this.resetRegs(); @@ -153,9 +153,9 @@ CPU8080State.prototype.reset = function() /** * resetRegs() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.resetRegs = function() +CPUState8080.prototype.resetRegs = function() { this.regA = 0; this.regB = 0; @@ -183,10 +183,10 @@ CPU8080State.prototype.resetRegs = function() /** * setReset(addr) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} addr */ -CPU8080State.prototype.setReset = function(addr) +CPUState8080.prototype.setReset = function(addr) { this.addrReset = addr; this.setPC(addr); @@ -195,10 +195,10 @@ CPU8080State.prototype.setReset = function(addr) /** * getChecksum() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} a 32-bit summation of key elements of the current CPU state (used by the CPU checksum code) */ -CPU8080State.prototype.getChecksum = function() +CPUState8080.prototype.getChecksum = function() { var sum = (this.regA + this.regB + this.regC + this.regD + this.regE + this.regH + this.regL)|0; sum = (sum + this.getSP() + this.getPC() + this.getPS())|0; @@ -208,12 +208,12 @@ CPU8080State.prototype.getChecksum = function() /** * save() * - * This implements save support for the CPU8080State component. + * This implements save support for the CPUState8080 component. * - * @this {CPU8080State} + * @this {CPUState8080} * @return {Object|null} */ -CPU8080State.prototype.save = function() +CPUState8080.prototype.save = function() { var state = new State(this); state.set(0, [this.regA, this.regB, this.regC, this.regD, this.regE, this.regH, this.regL, this.getSP(), this.getPC(), this.getPS()]); @@ -225,13 +225,13 @@ CPU8080State.prototype.save = function() /** * restore(data) * - * This implements restore support for the CPU8080State component. + * This implements restore support for the CPUState8080 component. * - * @this {CPU8080State} + * @this {CPUState8080} * @param {Object} data * @return {boolean} true if restore successful, false if not */ -CPU8080State.prototype.restore = function(data) +CPUState8080.prototype.restore = function(data) { var a = data[0]; this.regA = a[0]; @@ -254,14 +254,14 @@ CPU8080State.prototype.restore = function(data) /** * setBinding(sHTMLType, sBinding, control, sValue) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {string|null} sHTMLType is the type of the HTML control (eg, "button", "list", "text", "submit", "textarea", "canvas") * @param {string} sBinding is the value of the 'binding' parameter stored in the HTML control's "data-value" attribute (eg, "AX") * @param {Object} control is the HTML control DOM object (eg, HTMLButtonElement) * @param {string} [sValue] optional data value * @return {boolean} true if binding was successful, false if unrecognized binding request */ -CPU8080State.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) +CPUState8080.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) { var fBound = false; switch (sBinding) { @@ -298,10 +298,10 @@ CPU8080State.prototype.setBinding = function(sHTMLType, sBinding, control, sValu /** * getBC() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} */ -CPU8080State.prototype.getBC = function() +CPUState8080.prototype.getBC = function() { return (this.regB << 8) | this.regC; }; @@ -309,10 +309,10 @@ CPU8080State.prototype.getBC = function() /** * setBC(w) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} w */ -CPU8080State.prototype.setBC = function(w) +CPUState8080.prototype.setBC = function(w) { this.regB = (w >> 8) & 0xff; this.regC = w & 0xff; @@ -321,10 +321,10 @@ CPU8080State.prototype.setBC = function(w) /** * getDE() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} */ -CPU8080State.prototype.getDE = function() +CPUState8080.prototype.getDE = function() { return (this.regD << 8) | this.regE; }; @@ -332,10 +332,10 @@ CPU8080State.prototype.getDE = function() /** * setDE(w) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} w */ -CPU8080State.prototype.setDE = function(w) +CPUState8080.prototype.setDE = function(w) { this.regD = (w >> 8) & 0xff; this.regE = w & 0xff; @@ -344,10 +344,10 @@ CPU8080State.prototype.setDE = function(w) /** * getHL() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} */ -CPU8080State.prototype.getHL = function() +CPUState8080.prototype.getHL = function() { return (this.regH << 8) | this.regL; }; @@ -355,10 +355,10 @@ CPU8080State.prototype.getHL = function() /** * setHL(w) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} w */ -CPU8080State.prototype.setHL = function(w) +CPUState8080.prototype.setHL = function(w) { this.regH = (w >> 8) & 0xff; this.regL = w & 0xff; @@ -367,10 +367,10 @@ CPU8080State.prototype.setHL = function(w) /** * getSP() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} */ -CPU8080State.prototype.getSP = function() +CPUState8080.prototype.getSP = function() { return this.regSP; }; @@ -378,10 +378,10 @@ CPU8080State.prototype.getSP = function() /** * setSP(off) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} off */ -CPU8080State.prototype.setSP = function(off) +CPUState8080.prototype.setSP = function(off) { this.regSP = off & 0xffff; }; @@ -389,10 +389,10 @@ CPU8080State.prototype.setSP = function(off) /** * getPC() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} */ -CPU8080State.prototype.getPC = function() +CPUState8080.prototype.getPC = function() { return this.regPC; }; @@ -400,11 +400,11 @@ CPU8080State.prototype.getPC = function() /** * offPC() * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} off * @return {number} */ -CPU8080State.prototype.offPC = function(off) +CPUState8080.prototype.offPC = function(off) { return (this.regPC + off) & 0xffff; }; @@ -412,10 +412,10 @@ CPU8080State.prototype.offPC = function(off) /** * setPC(off) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} off */ -CPU8080State.prototype.setPC = function(off) +CPUState8080.prototype.setPC = function(off) { this.regPC = off & 0xffff; }; @@ -423,9 +423,9 @@ CPU8080State.prototype.setPC = function(off) /** * clearCF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.clearCF = function() +CPUState8080.prototype.clearCF = function() { this.resultZeroCarry &= 0xff; }; @@ -433,10 +433,10 @@ CPU8080State.prototype.clearCF = function() /** * getCF() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} 0 or 1 (CPUDef8080.PS.CF) */ -CPU8080State.prototype.getCF = function() +CPUState8080.prototype.getCF = function() { return (this.resultZeroCarry & 0x100)? CPUDef8080.PS.CF : 0; }; @@ -444,9 +444,9 @@ CPU8080State.prototype.getCF = function() /** * setCF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.setCF = function() +CPUState8080.prototype.setCF = function() { this.resultZeroCarry |= 0x100; }; @@ -454,10 +454,10 @@ CPU8080State.prototype.setCF = function() /** * updateCF(CF) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} CF (0x000 or 0x100) */ -CPU8080State.prototype.updateCF = function(CF) +CPUState8080.prototype.updateCF = function(CF) { this.resultZeroCarry = (this.resultZeroCarry & 0xff) | CF; }; @@ -465,9 +465,9 @@ CPU8080State.prototype.updateCF = function(CF) /** * clearPF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.clearPF = function() +CPUState8080.prototype.clearPF = function() { if (this.getPF()) this.resultParitySign ^= 0x1; }; @@ -475,10 +475,10 @@ CPU8080State.prototype.clearPF = function() /** * getPF() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} 0 or CPUDef8080.PS.PF */ -CPU8080State.prototype.getPF = function() +CPUState8080.prototype.getPF = function() { return (CPUDef8080.PARITY[this.resultParitySign & 0xff])? CPUDef8080.PS.PF : 0; }; @@ -486,9 +486,9 @@ CPU8080State.prototype.getPF = function() /** * setPF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.setPF = function() +CPUState8080.prototype.setPF = function() { if (!this.getPF()) this.resultParitySign ^= 0x1; }; @@ -496,9 +496,9 @@ CPU8080State.prototype.setPF = function() /** * clearAF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.clearAF = function() +CPUState8080.prototype.clearAF = function() { this.resultAuxOverflow = (this.resultParitySign & 0x10) | (this.resultAuxOverflow & ~0x10); }; @@ -506,10 +506,10 @@ CPU8080State.prototype.clearAF = function() /** * getAF() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} 0 or CPUDef8080.PS.AF */ -CPU8080State.prototype.getAF = function() +CPUState8080.prototype.getAF = function() { return ((this.resultParitySign ^ this.resultAuxOverflow) & 0x10)? CPUDef8080.PS.AF : 0; }; @@ -517,9 +517,9 @@ CPU8080State.prototype.getAF = function() /** * setAF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.setAF = function() +CPUState8080.prototype.setAF = function() { this.resultAuxOverflow = (~this.resultParitySign & 0x10) | (this.resultAuxOverflow & ~0x10); }; @@ -527,9 +527,9 @@ CPU8080State.prototype.setAF = function() /** * clearZF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.clearZF = function() +CPUState8080.prototype.clearZF = function() { this.resultZeroCarry |= 0xff; }; @@ -537,10 +537,10 @@ CPU8080State.prototype.clearZF = function() /** * getZF() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} 0 or CPUDef8080.PS.ZF */ -CPU8080State.prototype.getZF = function() +CPUState8080.prototype.getZF = function() { return (this.resultZeroCarry & 0xff)? 0 : CPUDef8080.PS.ZF; }; @@ -548,9 +548,9 @@ CPU8080State.prototype.getZF = function() /** * setZF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.setZF = function() +CPUState8080.prototype.setZF = function() { this.resultZeroCarry &= ~0xff; }; @@ -558,9 +558,9 @@ CPU8080State.prototype.setZF = function() /** * clearSF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.clearSF = function() +CPUState8080.prototype.clearSF = function() { if (this.getSF()) this.resultParitySign ^= 0xc0; }; @@ -568,10 +568,10 @@ CPU8080State.prototype.clearSF = function() /** * getSF() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} 0 or CPUDef8080.PS.SF */ -CPU8080State.prototype.getSF = function() +CPUState8080.prototype.getSF = function() { return (this.resultParitySign & 0x80)? CPUDef8080.PS.SF : 0; }; @@ -579,9 +579,9 @@ CPU8080State.prototype.getSF = function() /** * setSF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.setSF = function() +CPUState8080.prototype.setSF = function() { if (!this.getSF()) this.resultParitySign ^= 0xc0; }; @@ -589,9 +589,9 @@ CPU8080State.prototype.setSF = function() /** * clearIF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.clearIF = function() +CPUState8080.prototype.clearIF = function() { this.regPS &= ~CPUDef8080.PS.IF; }; @@ -599,10 +599,10 @@ CPU8080State.prototype.clearIF = function() /** * getIF() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} 0 or CPUDef8080.PS.IF */ -CPU8080State.prototype.getIF = function() +CPUState8080.prototype.getIF = function() { return (this.regPS & CPUDef8080.PS.IF); }; @@ -610,9 +610,9 @@ CPU8080State.prototype.getIF = function() /** * setIF() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.setIF = function() +CPUState8080.prototype.setIF = function() { this.regPS |= CPUDef8080.PS.IF; }; @@ -620,10 +620,10 @@ CPU8080State.prototype.setIF = function() /** * getPS() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} */ -CPU8080State.prototype.getPS = function() +CPUState8080.prototype.getPS = function() { return (this.regPS & ~CPUDef8080.PS.RESULT) | (this.getSF() | this.getZF() | this.getAF() | this.getPF() | this.getCF()); }; @@ -631,10 +631,10 @@ CPU8080State.prototype.getPS = function() /** * setPS(regPS) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} regPS */ -CPU8080State.prototype.setPS = function(regPS) +CPUState8080.prototype.setPS = function(regPS) { this.resultZeroCarry = this.resultParitySign = this.resultAuxOverflow = 0; if (regPS & CPUDef8080.PS.CF) this.resultZeroCarry |= 0x100; @@ -649,10 +649,10 @@ CPU8080State.prototype.setPS = function(regPS) /** * getPSW() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} */ -CPU8080State.prototype.getPSW = function() +CPUState8080.prototype.getPSW = function() { return (this.getPS() & CPUDef8080.PS.MASK) | (this.regA << 8); }; @@ -660,10 +660,10 @@ CPU8080State.prototype.getPSW = function() /** * setPSW(w) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} w */ -CPU8080State.prototype.setPSW = function(w) +CPUState8080.prototype.setPSW = function(w) { this.setPS((w & CPUDef8080.PS.MASK) | (this.regPS & ~CPUDef8080.PS.MASK)); this.regA = w >> 8; @@ -672,11 +672,11 @@ CPU8080State.prototype.setPSW = function(w) /** * addByte(src) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} src * @return {number} regA + src */ -CPU8080State.prototype.addByte = function(src) +CPUState8080.prototype.addByte = function(src) { this.resultAuxOverflow = this.regA ^ src; return this.resultParitySign = (this.resultZeroCarry = this.regA + src) & 0xff; @@ -685,11 +685,11 @@ CPU8080State.prototype.addByte = function(src) /** * addByteCarry(src) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} src * @return {number} regA + src + carry */ -CPU8080State.prototype.addByteCarry = function(src) +CPUState8080.prototype.addByteCarry = function(src) { this.resultAuxOverflow = this.regA ^ src; return this.resultParitySign = (this.resultZeroCarry = this.regA + src + ((this.resultZeroCarry & 0x100)? 1 : 0)) & 0xff; @@ -701,11 +701,11 @@ CPU8080State.prototype.addByteCarry = function(src) * Ordinarily, one would expect the Auxiliary Carry flag (AF) to be clear after this operation, * but apparently the 8080 will set AF if bit 3 in either operand is set. * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} src * @return {number} regA & src */ -CPU8080State.prototype.andByte = function(src) +CPUState8080.prototype.andByte = function(src) { this.resultZeroCarry = this.resultParitySign = this.resultAuxOverflow = this.regA & src; if ((this.regA | src) & 0x8) this.resultAuxOverflow ^= 0x10; // set AF by inverting bit 4 in resultAuxOverflow @@ -718,11 +718,11 @@ CPU8080State.prototype.andByte = function(src) * We perform this operation using 8-bit two's complement arithmetic, by negating and then adding * the implied src of 1. This appears to mimic how the 8080 manages the Auxiliary Carry flag (AF). * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} b * @return {number} */ -CPU8080State.prototype.decByte = function(b) +CPUState8080.prototype.decByte = function(b) { this.resultAuxOverflow = b ^ 0xff; b = this.resultParitySign = (b + 0xff) & 0xff; @@ -733,11 +733,11 @@ CPU8080State.prototype.decByte = function(b) /** * incByte(b) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} b * @return {number} */ -CPU8080State.prototype.incByte = function(b) +CPUState8080.prototype.incByte = function(b) { this.resultAuxOverflow = b; b = this.resultParitySign = (b + 1) & 0xff; @@ -748,11 +748,11 @@ CPU8080State.prototype.incByte = function(b) /** * orByte(src) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} src * @return {number} regA | src */ -CPU8080State.prototype.orByte = function(src) +CPUState8080.prototype.orByte = function(src) { return this.resultParitySign = this.resultZeroCarry = this.resultAuxOverflow = this.regA | src; }; @@ -787,11 +787,11 @@ CPU8080State.prototype.orByte = function(src) * --------- * 1 0101 0110 (0x56) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} src * @return {number} regA - src */ -CPU8080State.prototype.subByte = function(src) +CPUState8080.prototype.subByte = function(src) { src ^= 0xff; this.resultAuxOverflow = this.regA ^ src; @@ -808,11 +808,11 @@ CPU8080State.prototype.subByte = function(src) * This mimics the behavior of subByte() when the Carry flag (CF) is clear, and hopefully also mimics how the * 8080 manages the Auxiliary Carry flag (AF) when the Carry flag (CF) is set. * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} src * @return {number} regA - src - carry */ -CPU8080State.prototype.subByteBorrow = function(src) +CPUState8080.prototype.subByteBorrow = function(src) { src ^= 0xff; this.resultAuxOverflow = this.regA ^ src; @@ -822,11 +822,11 @@ CPU8080State.prototype.subByteBorrow = function(src) /** * xorByte(src) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} src * @return {number} regA ^ src */ -CPU8080State.prototype.xorByte = function(src) +CPUState8080.prototype.xorByte = function(src) { return this.resultParitySign = this.resultZeroCarry = this.resultAuxOverflow = this.regA ^ src; }; @@ -834,11 +834,11 @@ CPU8080State.prototype.xorByte = function(src) /** * getByte(addr) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} addr is a linear address * @return {number} byte (8-bit) value at that address */ -CPU8080State.prototype.getByte = function(addr) +CPUState8080.prototype.getByte = function(addr) { return this.bus.getByte(addr); }; @@ -846,11 +846,11 @@ CPU8080State.prototype.getByte = function(addr) /** * getWord(addr) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} addr is a linear address * @return {number} word (16-bit) value at that address */ -CPU8080State.prototype.getWord = function(addr) +CPUState8080.prototype.getWord = function(addr) { return this.bus.getShort(addr); }; @@ -858,11 +858,11 @@ CPU8080State.prototype.getWord = function(addr) /** * setByte(addr, b) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} addr is a linear address * @param {number} b is the byte (8-bit) value to write (which we truncate to 8 bits; required by opSTOSb) */ -CPU8080State.prototype.setByte = function(addr, b) +CPUState8080.prototype.setByte = function(addr, b) { this.bus.setByte(addr, b); }; @@ -870,11 +870,11 @@ CPU8080State.prototype.setByte = function(addr, b) /** * setWord(addr, w) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} addr is a linear address * @param {number} w is the word (16-bit) value to write (which we truncate to 16 bits to be safe) */ -CPU8080State.prototype.setWord = function(addr, w) +CPUState8080.prototype.setWord = function(addr, w) { this.bus.setShort(addr, w); }; @@ -882,10 +882,10 @@ CPU8080State.prototype.setWord = function(addr, w) /** * getPCByte() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} byte at the current PC; PC advanced by 1 */ -CPU8080State.prototype.getPCByte = function() +CPUState8080.prototype.getPCByte = function() { var b = this.getByte(this.regPC); this.setPC(this.regPC + 1); @@ -895,10 +895,10 @@ CPU8080State.prototype.getPCByte = function() /** * getPCWord() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} word at the current PC; PC advanced by 2 */ -CPU8080State.prototype.getPCWord = function() +CPUState8080.prototype.getPCWord = function() { var w = this.getWord(this.regPC); this.setPC(this.regPC + 2); @@ -908,10 +908,10 @@ CPU8080State.prototype.getPCWord = function() /** * popWord() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {number} word popped from the current SP; SP increased by 2 */ -CPU8080State.prototype.popWord = function() +CPUState8080.prototype.popWord = function() { var w = this.getWord(this.regSP); this.setSP(this.regSP + 2); @@ -921,10 +921,10 @@ CPU8080State.prototype.popWord = function() /** * pushWord(w) * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} w is the word (16-bit) value to push at current SP; SP decreased by 2 */ -CPU8080State.prototype.pushWord = function(w) +CPUState8080.prototype.pushWord = function(w) { this.setSP(this.regSP - 2); this.setWord(this.regSP, w); @@ -933,10 +933,10 @@ CPU8080State.prototype.pushWord = function(w) /** * checkINTR() * - * @this {CPU8080State} + * @this {CPUState8080} * @return {boolean} true if execution may proceed, false if not */ -CPU8080State.prototype.checkINTR = function() +CPUState8080.prototype.checkINTR = function() { /* * If the Debugger is single-stepping, this.nStepCycles will always be zero, which we take @@ -976,10 +976,10 @@ CPU8080State.prototype.checkINTR = function() * nLevel can either be a valid interrupt level (0-7), or -1 to clear all pending interrupts * (eg, in the event of a system-wide reset). * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} nLevel (0-7, or -1 for all) */ -CPU8080State.prototype.clearINTR = function(nLevel) +CPUState8080.prototype.clearINTR = function(nLevel) { var bitsClear = nLevel < 0? 0xff : (1 << nLevel); this.intFlags &= ~bitsClear; @@ -989,9 +989,9 @@ CPU8080State.prototype.clearINTR = function(nLevel) /** * requestHALT() * - * @this {CPU8080State} + * @this {CPUState8080} */ -CPU8080State.prototype.requestHALT = function() +CPUState8080.prototype.requestHALT = function() { this.intFlags |= CPUDef8080.INTFLAG.HALT; this.nBurstCycles -= this.nStepCycles; @@ -1008,10 +1008,10 @@ CPU8080State.prototype.requestHALT = function() * by setting nStepCycles to zero. But before we do, we subtract nStepCycles from nBurstCycles, * so that the calculation of how many cycles were actually executed on this burst is correct. * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} nLevel (0-7) */ -CPU8080State.prototype.requestINTR = function(nLevel) +CPUState8080.prototype.requestINTR = function(nLevel) { this.intFlags |= (1 << nLevel); if (this.getIF()) { @@ -1027,12 +1027,12 @@ CPU8080State.prototype.requestINTR = function(nLevel) * CPU type before passing the call to displayValue(); in the "old days", updateStatus() called * displayValue() directly (although then it was called displayReg()). * - * @this {CPU8080State} + * @this {CPUState8080} * @param {string} sReg * @param {number} nValue * @param {number} [cch] (default is 2 hex digits) */ -CPU8080State.prototype.updateReg = function(sReg, nValue, cch) +CPUState8080.prototype.updateReg = function(sReg, nValue, cch) { this.displayValue(sReg, nValue, cch || 2); }; @@ -1040,16 +1040,16 @@ CPU8080State.prototype.updateReg = function(sReg, nValue, cch) /** * updateStatus(fForce) * - * This provides periodic Control Panel updates (eg, a few times per second; see STATUS_UPDATES_PER_SECOND). + * This provides periodic Control Panel updates (eg, a few times per second; see YIELDS_PER_STATUS). * this is where we take care of any DOM updates (eg, register values) while the CPU is running. * - * Any high-frequency updates should be performed in updateVideo(), which should avoid DOM updates, since updateVideo() - * can be called up to 60 times per second (see VIDEO_UPDATES_PER_SECOND). + * Any high-frequency updates should be performed in updateVideo(), which should avoid DOM updates, + * since updateVideo() can be called up to 60 times per second. * - * @this {CPU8080State} + * @this {CPUState8080} * @param {boolean} [fForce] (true will display registers even if the CPU is running and "live" registers are not enabled) */ -CPU8080State.prototype.updateStatus = function(fForce) +CPUState8080.prototype.updateStatus = function(fForce) { if (this.cLiveRegs) { if (fForce || !this.flags.fRunning || this.flags.fDisplayLiveRegs) { @@ -1091,13 +1091,13 @@ CPU8080State.prototype.updateStatus = function(fForce) * As a result, the Debugger's complete independence means you can run other 8086/8088 debuggers * (eg, DEBUG) inside the simulation without interference; you can even "debug" them with the Debugger. * - * @this {CPU8080State} + * @this {CPUState8080} * @param {number} nMinCycles (0 implies a single-step, and therefore breakpoints should be ignored) * @return {number} of cycles executed; 0 indicates a pre-execution condition (ie, an execution breakpoint * was hit), -1 indicates a post-execution condition (eg, a read or write breakpoint was hit), and a positive * number indicates successful completion of that many cycles (which should always be >= nMinCycles). */ -CPU8080State.prototype.stepCPU = function(nMinCycles) +CPUState8080.prototype.stepCPU = function(nMinCycles) { /* * The Debugger uses fComplete to determine if the instruction completed (true) or was interrupted @@ -1155,21 +1155,21 @@ CPU8080State.prototype.stepCPU = function(nMinCycles) }; /** - * CPU8080State.init() + * CPUState8080.init() * * This function operates on every HTML element of class "cpu", extracting the - * JSON-encoded parameters for the CPU8080State constructor from the element's "data-value" + * JSON-encoded parameters for the CPUState8080 constructor from the element's "data-value" * attribute, invoking the constructor (which in turn invokes the CPU constructor) - * to create a CPU8080State component, and then binding any associated HTML controls to the + * to create a CPUState8080 component, and then binding any associated HTML controls to the * new component. */ -CPU8080State.init = function() +CPUState8080.init = function() { var aeCPUs = Component.getElementsByClass(document, PC8080.APPCLASS, "cpu"); for (var iCPU = 0; iCPU < aeCPUs.length; iCPU++) { var eCPU = aeCPUs[iCPU]; var parmsCPU = Component.getComponentParms(eCPU); - var cpu = new CPU8080State(parmsCPU); + var cpu = new CPUState8080(parmsCPU); Component.bindComponentControls(cpu, eCPU, PC8080.APPCLASS); } }; @@ -1177,6 +1177,6 @@ CPU8080State.init = function() /* * Initialize every CPU module on the page */ -web.onInit(CPU8080State.init); +web.onInit(CPUState8080.init); -if (NODE) module.exports = CPU8080State; +if (NODE) module.exports = CPUState8080; diff --git a/modules/pc8080/lib/debugger.js b/modules/pc8080/lib/debugger.js index 411ebb097..afa709e84 100644 --- a/modules/pc8080/lib/debugger.js +++ b/modules/pc8080/lib/debugger.js @@ -361,7 +361,7 @@ if (DEBUGGER) { /* * TYPE_IREG values, based on the REG_* constants. * - * NOte that TYPE_M isn't really a register, just an alternative form of TYPE_HL | TYPE_MEM. + * Note that TYPE_M isn't really a register, just an alternative form of TYPE_HL | TYPE_MEM. */ Debugger8080.TYPE_A = (Debugger8080.REG_A << 8 | Debugger8080.TYPE_REG | Debugger8080.TYPE_BYTE); Debugger8080.TYPE_B = (Debugger8080.REG_B << 8 | Debugger8080.TYPE_REG | Debugger8080.TYPE_BYTE); @@ -673,7 +673,7 @@ if (DEBUGGER) { * @this {Debugger8080} * @param {Computer8080} cmp * @param {Bus8080} bus - * @param {CPU8080State} cpu + * @param {CPUState8080} cpu * @param {Debugger8080} dbg */ Debugger8080.prototype.initBus = function(cmp, bus, cpu, dbg) diff --git a/modules/pc8080/lib/keyboard.js b/modules/pc8080/lib/keyboard.js index 49911c14e..22b5def73 100644 --- a/modules/pc8080/lib/keyboard.js +++ b/modules/pc8080/lib/keyboard.js @@ -541,7 +541,7 @@ Keyboard8080.prototype.setBinding = function(sHTMLType, sBinding, control, sValu * @this {Keyboard8080} * @param {Computer8080} cmp * @param {Bus8080} bus - * @param {CPU8080State} cpu + * @param {CPUState8080} cpu * @param {Debugger8080} dbg */ Keyboard8080.prototype.initBus = function(cmp, bus, cpu, dbg) diff --git a/modules/pc8080/lib/panel.js b/modules/pc8080/lib/panel.js index ae2d05466..fd780a0df 100644 --- a/modules/pc8080/lib/panel.js +++ b/modules/pc8080/lib/panel.js @@ -87,7 +87,7 @@ Panel8080.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) * @this {Panel8080} * @param {Computer8080} cmp * @param {Bus8080} bus - * @param {CPU8080State} cpu + * @param {CPUState8080} cpu * @param {Debugger8080} dbg */ Panel8080.prototype.initBus = function(cmp, bus, cpu, dbg) diff --git a/modules/pc8080/lib/ram.js b/modules/pc8080/lib/ram.js index 77501323a..37238ffc6 100644 --- a/modules/pc8080/lib/ram.js +++ b/modules/pc8080/lib/ram.js @@ -74,7 +74,7 @@ Component.subclass(RAM8080); * @this {RAM8080} * @param {Computer8080} cmp * @param {Bus8080} bus - * @param {CPU8080State} cpu + * @param {CPUState8080} cpu * @param {Debugger8080} dbg */ RAM8080.prototype.initBus = function(cmp, bus, cpu, dbg) diff --git a/modules/pc8080/lib/rom.js b/modules/pc8080/lib/rom.js index e01554f10..b8a6e1ae6 100644 --- a/modules/pc8080/lib/rom.js +++ b/modules/pc8080/lib/rom.js @@ -158,7 +158,7 @@ ROM8080.CPM.VECTORS = [ROM8080.CPM.BIOS.VECTOR, ROM8080.CPM.BDOS.VECTOR]; * @this {ROM8080} * @param {Computer8080} cmp * @param {Bus8080} bus - * @param {CPU8080State} cpu + * @param {CPUState8080} cpu * @param {Debugger8080} dbg */ ROM8080.prototype.initBus = function(cmp, bus, cpu, dbg) diff --git a/modules/pc8080/lib/serialport.js b/modules/pc8080/lib/serialport.js index 226646df1..4ba66a468 100644 --- a/modules/pc8080/lib/serialport.js +++ b/modules/pc8080/lib/serialport.js @@ -442,7 +442,7 @@ SerialPort8080.prototype.echoByte = function(b) * @this {SerialPort8080} * @param {Computer8080} cmp * @param {Bus8080} bus - * @param {CPU8080State} cpu + * @param {CPUState8080} cpu * @param {Debugger8080} dbg */ SerialPort8080.prototype.initBus = function(cmp, bus, cpu, dbg) diff --git a/modules/pc8080/lib/video.js b/modules/pc8080/lib/video.js index fd3585ac7..3ed414f93 100644 --- a/modules/pc8080/lib/video.js +++ b/modules/pc8080/lib/video.js @@ -399,7 +399,7 @@ Video8080.prototype.initBuffers = function() * @this {Video8080} * @param {Computer8080} cmp * @param {Bus8080} bus - * @param {CPU8080State} cpu + * @param {CPUState8080} cpu * @param {Debugger8080} dbg */ Video8080.prototype.initBus = function(cmp, bus, cpu, dbg) diff --git a/modules/pdp11/lib/bus.js b/modules/pdp11/lib/bus.js new file mode 100644 index 000000000..2f6d4cd66 --- /dev/null +++ b/modules/pdp11/lib/bus.js @@ -0,0 +1,767 @@ +/** + * @fileoverview Implements the PDP11 Bus component. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +if (NODE) { + var str = require("../../shared/lib/strlib"); + var usr = require("../../shared/lib/usrlib"); + var Component = require("../../shared/lib/component"); + var State = require("../../shared/lib/state"); + var MemoryPDP11 = require("./memory"); + var MessagesPDP11 = require("./messages"); +} + +/** + * BusPDP11(cpu, dbg) + * + * The BusPDP11 component manages physical memory and I/O address spaces. + * + * The BusPDP11 component has no UI elements, so it does not require an init() handler, + * but it still inherits from the Component class and must be allocated like any + * other device component. It's currently allocated by the Computer's init() handler, + * which then calls the initBus() method of all the other components. + * + * For memory beyond the simple needs of the ROM and RAM components (ie, memory-mapped + * devices), the address space must still be allocated through the BusPDP11 component via + * addMemory(). If the component needs something more than simple read/write storage, + * it must provide a custom controller. + * + * All port (I/O) operations are defined by external handlers; they register with us, + * and we manage those registrations and provide support for I/O breakpoints, but the + * only default I/O behavior we provide is ignoring writes to any unregistered output + * ports and returning 0xff from any unregistered input ports. + * + * @constructor + * @extends Component + * @param {Object} parmsBus + * @param {CPUStatePDP11} cpu + * @param {DebuggerPDP11} dbg + */ +function BusPDP11(parmsBus, cpu, dbg) +{ + Component.call(this, "Bus", parmsBus, BusPDP11); + + this.cpu = cpu; + this.dbg = dbg; + + this.nBusWidth = parmsBus['busWidth'] || 16; + + /* + * Compute all BusPDP11 memory block parameters, based on the width of the bus. + * + * Regarding blockTotal, we want to avoid using block overflow expressions like: + * + * iBlock < this.nBlockTotal? iBlock : 0 + * + * As long as we know that blockTotal is a power of two (eg, 256 or 0x100, in the case of + * nBusWidth == 20 and blockSize == 4096), we can define blockMask as (blockTotal - 1) and + * rewrite the previous expression as: + * + * iBlock & this.nBlockMask + * + * Bus Property Old hard-coded values (when nBusWidth was always 20) + * ------------ ---------------------------------------------------- + * this.nBusLimit 0xfffff + * this.nBusMask [same as busLimit] + * this.nBlockSize 4096 + * this.nBlockLen (this.nBlockSize >> 2) + * this.nBlockShift 12 + * this.nBlockLimit 0xfff + * this.nBlockTotal ((this.nBusLimit + this.nBlockSize) / this.nBlockSize) | 0 + * this.nBlockMask (this.nBlockTotal - 1) [ie, 0xff] + * + * Note that we choose a nBlockShift value (and thus a physical memory block size) based on "buswidth": + * + * Bus Width Block Shift Block Size + * --------- ----------- ---------- + * 16 bits (64Kb address space): 10 1Kb (64 maximum blocks) + * 20 bits (1Mb address space): 12 4Kb (256 maximum blocks) + * 24 bits (16Mb address space): 14 16Kb (1K maximum blocks) + * 32 bits (4Gb address space); 15 32Kb (128K maximum blocks) + * + * The coarser block granularities (ie, 16Kb and 32Kb) may cause problems for certain RAM and/or ROM + * allocations that are contiguous but are allocated out of order, or that have different controller + * requirements. Your choices, for the moment, are either to ensure the allocations are performed in + * order, or to choose smaller nBlockShift values (at the expense of a generating a larger block array). + */ + this.addrTotal = Math.pow(2, this.nBusWidth); + this.nBusLimit = this.nBusMask = (this.addrTotal - 1) | 0; + this.nBlockShift = (this.nBusWidth <= 16)? 10 : ((this.nBusWidth <= 20)? 12 : (this.nBusWidth <= 24? 14 : 15)); + this.nBlockSize = 1 << this.nBlockShift; + this.nBlockLen = this.nBlockSize >> 2; + this.nBlockLimit = this.nBlockSize - 1; + this.nBlockTotal = (this.addrTotal / this.nBlockSize) | 0; + this.nBlockMask = this.nBlockTotal - 1; + this.assert(this.nBlockMask <= BusPDP11.BlockInfo.num.mask); + + /* + * Lists of I/O notification functions: aPortInputNotify and aPortOutputNotify are arrays, indexed by + * port, of sub-arrays which contain: + * + * [0]: registered function to call for every I/O access + * + * The registered function is called with the port address, and if the access was triggered by the CPU, + * the instruction pointer (IP) at the point of access. + * + * WARNING: Unlike the (old) read and write memory notification functions, these support only one + * pair of input/output functions per port. A more sophisticated architecture could support a list + * of chained functions across multiple components, but I doubt that will be necessary here. + * + * UPDATE: The Debugger now piggy-backs on these arrays to indicate ports for which it wants notification + * of I/O. In those cases, the registered component/function elements may or may not be set, but the + * following additional element will be set: + * + * [1]: true to break on I/O, false to ignore I/O + * + * The false case is important if fPortInputBreakAll and/or fPortOutputBreakAll is set, because it allows the + * Debugger to selectively ignore specific ports. + */ + this.aPortInputNotify = []; + this.aPortOutputNotify = []; + this.fPortInputBreakAll = this.fPortOutputBreakAll = false; + + /* + * By default, all I/O ports are 1 byte wide; ports that are wider must add themselves to one or both of + * these lists, using addPortInputWidth() and/or addPortOutputWidth(). + */ + this.aPortInputWidth = []; + this.aPortOutputWidth = []; + + /* + * Allocate empty Memory blocks to span the entire physical address space. + */ + this.initMemory(); + + this.setReady(); +} + +Component.subclass(BusPDP11); + +BusPDP11.ERROR = { + ADD_MEM_INUSE: 1, + ADD_MEM_BADRANGE: 2, + SET_MEM_BADRANGE: 4, + REM_MEM_BADRANGE: 5 +}; + +/** + * @typedef {number} + */ +var BlockInfo; + +/** + * This defines the BlockInfo bit fields used by scanMemory() when it creates the aBlocks array. + * + * @typedef {{ + * num: BitField, + * count: BitField, + * btmod: BitField, + * type: BitField + * }} + */ +BusPDP11.BlockInfo = usr.defineBitFields({num:20, count:8, btmod:1, type:3}); + +/** + * BusInfoPDP11 object definition (returned by scanMemory()) + * + * cbTotal: total bytes allocated + * cBlocks: total Memory blocks allocated + * aBlocks: array of allocated Memory block numbers + * + * @typedef {{ + * cbTotal: number, + * cBlocks: number, + * aBlocks: Array. + * }} + */ +var BusInfoPDP11; + +/** + * initMemory() + * + * Allocate enough (empty) Memory blocks to span the entire physical address space. + * + * @this {BusPDP11} + */ +BusPDP11.prototype.initMemory = function() +{ + var block = new MemoryPDP11(); + block.copyBreakpoints(this.dbg); + this.aMemBlocks = new Array(this.nBlockTotal); + for (var iBlock = 0; iBlock < this.nBlockTotal; iBlock++) { + this.aMemBlocks[iBlock] = block; + } +}; + +/** + * reset() + * + * @this {BusPDP11} + */ +BusPDP11.prototype.reset = function() +{ +}; + +/** + * powerUp(data, fRepower) + * + * We don't need a powerDown() handler, because for largely historical reasons, our state is saved by saveMemory(), + * which called by the CPU. + * + * However, we do need a powerUp() handler, because on resumable machines, the Computer's onReset() function calls + * everyone's powerUp() handler rather than their reset() handler. + * + * TODO: Perhaps Computer should be smarter: if there's no powerUp() handler, then fallback to the reset() handler. + * In that case, however, we'd either need to remove the powerUp() stub in Component, or detect the existence of the stub. + * + * @this {BusPDP11} + * @param {Object|null} data (always null because we supply no powerDown() handler) + * @param {boolean} [fRepower] + * @return {boolean} true if successful, false if failure + */ +BusPDP11.prototype.powerUp = function(data, fRepower) +{ + if (!fRepower) this.reset(); + return true; +}; + +/** + * addMemory(addr, size, type) + * + * Adds new Memory blocks to the specified address range. Any Memory blocks previously + * added to that range must first be removed via removeMemory(); otherwise, you'll get + * an allocation conflict error. This helps prevent address calculation errors, redundant + * allocations, etc. + * + * We've relaxed some of the original requirements (ie, that addresses must start at a + * block-granular address, or that sizes must be equal to exactly one or more blocks), + * because machines with large block sizes can make it impossible to load certain ROMs at + * their required addresses. Every allocation still allocates a whole number of blocks. + * + * Even so, BusPDP11 memory management does NOT provide a general-purpose heap. Most memory + * allocations occur during machine initialization and never change. In particular, there + * is NO support for removing partial-block allocations. + * + * Each Memory block keeps track of a start address (addr) and length (used), indicating + * the used space within the block; any free space that precedes or follows that used space + * can be allocated later, by simply extending the beginning or ending of the previously used + * space. However, any holes that might have existed between the original allocation and an + * extension are subsumed by the extension. + * + * @this {BusPDP11} + * @param {number} addr is the starting physical address of the request + * @param {number} size of the request, in bytes + * @param {number} type is one of the MemoryPDP11.TYPE constants + * @return {boolean} true if successful, false if not + */ +BusPDP11.prototype.addMemory = function(addr, size, type) +{ + var addrNext = addr; + var sizeLeft = size; + var iBlock = addrNext >>> this.nBlockShift; + + while (sizeLeft > 0 && iBlock < this.aMemBlocks.length) { + + var block = this.aMemBlocks[iBlock]; + var addrBlock = iBlock * this.nBlockSize; + var sizeBlock = this.nBlockSize - (addrNext - addrBlock); + if (sizeBlock > sizeLeft) sizeBlock = sizeLeft; + + if (block && block.size) { + if (block.type == type) { + /* + * Where there is already a similar block with a non-zero size, we allow the allocation only if: + * + * 1) addrNext + sizeLeft <= block.addr (the request precedes the used portion of the current block), or + * 2) addrNext >= block.addr + block.used (the request follows the used portion of the current block) + */ + if (addrNext + sizeLeft <= block.addr) { + block.used += (block.addr - addrNext); + block.addr = addrNext; + return true; + } + if (addrNext >= block.addr + block.used) { + var sizeAvail = block.size - (addrNext - addrBlock); + if (sizeAvail > sizeLeft) sizeAvail = sizeLeft; + block.used = addrNext - block.addr + sizeAvail; + addrNext = addrBlock + this.nBlockSize; + sizeLeft -= sizeAvail; + iBlock++; + continue; + } + } + return this.reportError(BusPDP11.ERROR.ADD_MEM_INUSE, addrNext, sizeLeft); + } + + var blockNew = new MemoryPDP11(addrNext, sizeBlock, this.nBlockSize, type); + blockNew.copyBreakpoints(this.dbg, block); + this.aMemBlocks[iBlock++] = blockNew; + + addrNext = addrBlock + this.nBlockSize; + sizeLeft -= sizeBlock; + } + + if (sizeLeft <= 0) { + this.status(Math.floor(size / 1024) + "Kb " + MemoryPDP11.TYPE.NAMES[type] + " at " + str.toHexWord(addr)); + return true; + } + + return this.reportError(BusPDP11.ERROR.ADD_MEM_BADRANGE, addr, size); +}; + +/** + * cleanMemory(addr, size) + * + * @this {BusPDP11} + * @param {number} addr + * @param {number} size + * @return {boolean} true if all blocks were clean, false if dirty; all blocks are cleaned in the process + */ +BusPDP11.prototype.cleanMemory = function(addr, size) +{ + var fClean = true; + var iBlock = addr >>> this.nBlockShift; + while (size > 0 && iBlock < this.aMemBlocks.length) { + if (this.aMemBlocks[iBlock].fDirty) { + this.aMemBlocks[iBlock].fDirty = fClean = false; + this.aMemBlocks[iBlock].fDirtyEver = true; + } + size -= this.nBlockSize; + iBlock++; + } + return fClean; +}; + +/** + * scanMemory(info, addr, size) + * + * Returns a BusInfoPDP11 object for the specified address range. + * + * @this {BusPDP11} + * @param {Object} [info] previous BusInfoPDP11, if any + * @param {number} [addr] starting address of range (0 if none provided) + * @param {number} [size] size of range, in bytes (up to end of address space if none provided) + * @return {Object} updated info (or new info if no previous info provided) + */ +BusPDP11.prototype.scanMemory = function(info, addr, size) +{ + if (addr == null) addr = 0; + if (size == null) size = (this.addrTotal - addr) | 0; + if (info == null) info = {cbTotal: 0, cBlocks: 0, aBlocks: []}; + + var iBlock = addr >>> this.nBlockShift; + var iBlockMax = ((addr + size - 1) >>> this.nBlockShift); + + info.cbTotal = 0; + info.cBlocks = 0; + while (iBlock <= iBlockMax) { + var block = this.aMemBlocks[iBlock]; + info.cbTotal += block.size; + if (block.size) { + info.aBlocks.push(usr.initBitFields(BusPDP11.BlockInfo, iBlock, 0, 0, block.type)); + info.cBlocks++ + } + iBlock++; + } + return info; +}; + +/** + * getWidth() + * + * @this {BusPDP11} + * @return {number} + */ +BusPDP11.prototype.getWidth = function() +{ + return this.nBusWidth; +}; + +/** + * removeMemory(addr, size) + * + * Replaces every block in the specified address range with empty Memory blocks that ignore all reads/writes. + * + * TODO: Update the removeMemory() interface to reflect the relaxed requirements of the addMemory() interface. + * + * @this {BusPDP11} + * @param {number} addr + * @param {number} size + * @return {boolean} true if successful, false if not + */ +BusPDP11.prototype.removeMemory = function(addr, size) +{ + if (!(addr & this.nBlockLimit) && size && !(size & this.nBlockLimit)) { + var iBlock = addr >>> this.nBlockShift; + while (size > 0) { + var blockOld = this.aMemBlocks[iBlock]; + var blockNew = new MemoryPDP11(addr); + blockNew.copyBreakpoints(this.dbg, blockOld); + this.aMemBlocks[iBlock++] = blockNew; + addr = iBlock * this.nBlockSize; + size -= this.nBlockSize; + } + return true; + } + return this.reportError(BusPDP11.ERROR.REM_MEM_BADRANGE, addr, size); +}; + +/** + * getMemoryBlocks(addr, size) + * + * @this {BusPDP11} + * @param {number} addr is the starting physical address + * @param {number} size of the request, in bytes + * @return {Array} of Memory blocks + */ +BusPDP11.prototype.getMemoryBlocks = function(addr, size) +{ + var aBlocks = []; + var iBlock = addr >>> this.nBlockShift; + while (size > 0 && iBlock < this.aMemBlocks.length) { + aBlocks.push(this.aMemBlocks[iBlock++]); + size -= this.nBlockSize; + } + return aBlocks; +}; + +/** + * setMemoryBlocks(addr, size, aBlocks, type) + * + * If no type is specified, then specified address range uses all the provided blocks as-is; + * this form of setMemoryBlocks() is used for complete physical aliases. + * + * Otherwise, new blocks are allocated with the specified type; the underlying memory from the + * provided blocks is still used, but the new blocks may have different access to that memory. + * + * @this {BusPDP11} + * @param {number} addr is the starting physical address + * @param {number} size of the request, in bytes + * @param {Array} aBlocks as returned by getMemoryBlocks() + * @param {number} [type] is one of the MemoryPDP11.TYPE constants + */ +BusPDP11.prototype.setMemoryBlocks = function(addr, size, aBlocks, type) +{ + var i = 0; + var iBlock = addr >>> this.nBlockShift; + while (size > 0 && iBlock < this.aMemBlocks.length) { + var block = aBlocks[i++]; + this.assert(block); + if (!block) break; + if (type !== undefined) { + var blockNew = new MemoryPDP11(addr); + blockNew.clone(block, type, this.dbg); + block = blockNew; + } + this.aMemBlocks[iBlock++] = block; + size -= this.nBlockSize; + } +}; + +/** + * getByte(addr) + * + * @this {BusPDP11} + * @param {number} addr is a physical address + * @return {number} byte (8-bit) value at that address + */ +BusPDP11.prototype.getByte = function(addr) +{ + return this.aMemBlocks[(addr & this.nBusMask) >>> this.nBlockShift].readByte(addr & this.nBlockLimit, addr); +}; + +/** + * getByteDirect(addr) + * + * This is useful for the Debugger and other components that want to bypass getByte() breakpoint detection. + * + * @this {BusPDP11} + * @param {number} addr is a physical address + * @return {number} byte (8-bit) value at that address + */ +BusPDP11.prototype.getByteDirect = function(addr) +{ + return this.aMemBlocks[(addr & this.nBusMask) >>> this.nBlockShift].readByteDirect(addr & this.nBlockLimit, addr); +}; + +/** + * getShort(addr) + * + * @this {BusPDP11} + * @param {number} addr is a physical address + * @return {number} word (16-bit) value at that address + */ +BusPDP11.prototype.getShort = function(addr) +{ + var off = addr & this.nBlockLimit; + var iBlock = (addr & this.nBusMask) >>> this.nBlockShift; + if (off != this.nBlockLimit) { + return this.aMemBlocks[iBlock].readShort(off, addr); + } + return this.aMemBlocks[iBlock++].readByte(off, addr) | (this.aMemBlocks[iBlock & this.nBlockMask].readByte(0, addr + 1) << 8); +}; + +/** + * getShortDirect(addr) + * + * This is useful for the Debugger and other components that want to bypass getShort() breakpoint detection. + * + * @this {BusPDP11} + * @param {number} addr is a physical address + * @return {number} word (16-bit) value at that address + */ +BusPDP11.prototype.getShortDirect = function(addr) +{ + var off = addr & this.nBlockLimit; + var iBlock = (addr & this.nBusMask) >>> this.nBlockShift; + if (off != this.nBlockLimit) { + return this.aMemBlocks[iBlock].readShortDirect(off, addr); + } + return this.aMemBlocks[iBlock++].readByteDirect(off, addr) | (this.aMemBlocks[iBlock & this.nBlockMask].readByteDirect(0, addr + 1) << 8); +}; + +/** + * setByte(addr, b) + * + * @this {BusPDP11} + * @param {number} addr is a physical address + * @param {number} b is the byte (8-bit) value to write (we truncate it to 8 bits to be safe) + */ +BusPDP11.prototype.setByte = function(addr, b) +{ + this.aMemBlocks[(addr & this.nBusMask) >>> this.nBlockShift].writeByte(addr & this.nBlockLimit, b & 0xff, addr); +}; + +/** + * setByteDirect(addr, b) + * + * This is useful for the Debugger and other components that want to bypass breakpoint detection AND read-only + * memory protection (for example, this is an interface the ROM component could use to initialize ROM contents). + * + * @this {BusPDP11} + * @param {number} addr is a physical address + * @param {number} b is the byte (8-bit) value to write (we truncate it to 8 bits to be safe) + */ +BusPDP11.prototype.setByteDirect = function(addr, b) +{ + this.aMemBlocks[(addr & this.nBusMask) >>> this.nBlockShift].writeByteDirect(addr & this.nBlockLimit, b & 0xff, addr); +}; + +/** + * setShort(addr, w) + * + * @this {BusPDP11} + * @param {number} addr is a physical address + * @param {number} w is the word (16-bit) value to write (we truncate it to 16 bits to be safe) + */ +BusPDP11.prototype.setShort = function(addr, w) +{ + var off = addr & this.nBlockLimit; + var iBlock = (addr & this.nBusMask) >>> this.nBlockShift; + if (off != this.nBlockLimit) { + this.aMemBlocks[iBlock].writeShort(off, w & 0xffff, addr); + return; + } + this.aMemBlocks[iBlock++].writeByte(off, w & 0xff, addr); + this.aMemBlocks[iBlock & this.nBlockMask].writeByte(0, (w >> 8) & 0xff, addr + 1); +}; + +/** + * setShortDirect(addr, w) + * + * This is useful for the Debugger and other components that want to bypass breakpoint detection AND read-only + * memory protection (for example, this is an interface the ROM component could use to initialize ROM contents). + * + * @this {BusPDP11} + * @param {number} addr is a physical address + * @param {number} w is the word (16-bit) value to write (we truncate it to 16 bits to be safe) + */ +BusPDP11.prototype.setShortDirect = function(addr, w) +{ + var off = addr & this.nBlockLimit; + var iBlock = (addr & this.nBusMask) >>> this.nBlockShift; + if (off != this.nBlockLimit) { + this.aMemBlocks[iBlock].writeShortDirect(off, w & 0xffff, addr); + return; + } + this.aMemBlocks[iBlock++].writeByteDirect(off, w & 0xff, addr); + this.aMemBlocks[iBlock & this.nBlockMask].writeByteDirect(0, (w >> 8) & 0xff, addr + 1); +}; + +/** + * addMemBreak(addr, fWrite) + * + * @this {BusPDP11} + * @param {number} addr + * @param {boolean} fWrite is true for a memory write breakpoint, false for a memory read breakpoint + */ +BusPDP11.prototype.addMemBreak = function(addr, fWrite) +{ + if (DEBUGGER) { + var iBlock = addr >>> this.nBlockShift; + this.aMemBlocks[iBlock].addBreakpoint(addr & this.nBlockLimit, fWrite); + } +}; + +/** + * removeMemBreak(addr, fWrite) + * + * @this {BusPDP11} + * @param {number} addr + * @param {boolean} fWrite is true for a memory write breakpoint, false for a memory read breakpoint + */ +BusPDP11.prototype.removeMemBreak = function(addr, fWrite) +{ + if (DEBUGGER) { + var iBlock = addr >>> this.nBlockShift; + this.aMemBlocks[iBlock].removeBreakpoint(addr & this.nBlockLimit, fWrite); + } +}; + +/** + * saveMemory(fAll) + * + * The only memory blocks we save are those marked as dirty, but most likely all of RAM will have been marked dirty, + * and even if our dirty-memory flags were as smart as our dirty-sector flags (ie, were set only when a write changed + * what was already there), it's unlikely that would reduce the number of RAM blocks we must save/restore. At least + * all the ROM blocks should be clean (except in the unlikely event that the Debugger was used to modify them). + * + * All dirty blocks will be stored in a single array, as pairs of block numbers and data arrays, like so: + * + * [iBlock0, [dw0, dw1, ...], iBlock1, [dw0, dw1, ...], ...] + * + * In a normal 4Kb block, there will be 1K DWORD values in the data array. Remember that each DWORD is a signed 32-bit + * integer (because they are formed using bit-wise operator rather than floating-point math operators), so don't be + * surprised to see negative numbers in the data. + * + * The above example assumes "uncompressed" data arrays. If we choose to use "compressed" data arrays, the data arrays + * will look like: + * + * [count0, dw0, count1, dw1, ...] + * + * where each count indicates how many times the following DWORD value occurs. A data array length less than 1K indicates + * that it's compressed, since we'll only store them in compressed form if they actually shrank, and we'll use State + * helper methods compress() and decompress() to create and expand the compressed data arrays. + * + * @this {BusPDP11} + * @param {boolean} [fAll] (true to save all non-ROM memory blocks, regardless of their dirty flags) + * @return {Array} a + */ +BusPDP11.prototype.saveMemory = function(fAll) +{ + var i = 0; + var a = []; + + for (var iBlock = 0; iBlock < this.nBlockTotal; iBlock++) { + var block = this.aMemBlocks[iBlock]; + /* + * We have to check both fDirty and fDirtyEver, because we may have called cleanMemory() on some of + * the memory blocks (eg, video memory), and while cleanMemory() will clear a dirty block's fDirty flag, + * it also sets the dirty block's fDirtyEver flag, which is left set for the lifetime of the machine. + */ + if (fAll && block.type != MemoryPDP11.TYPE.ROM || block.fDirty || block.fDirtyEver) { + a[i++] = iBlock; + a[i++] = State.compress(block.save()); + } + } + + return a; +}; + +/** + * restoreMemory(a) + * + * This restores the contents of all Memory blocks; called by CPUState.restore(). + * + * In theory, we ONLY have to save/restore block contents. Other block attributes, + * like the type, the memory controller (if any), and the active memory access functions, + * should already be restored, since every component (re)allocates all the memory blocks + * it was using when it's restored. And since the CPU is guaranteed to be the last + * component to be restored, all those blocks (and their attributes) should be in place now. + * + * See saveMemory() for more information on how the memory block contents are saved. + * + * @this {BusPDP11} + * @param {Array} a + * @return {boolean} true if successful, false if not + */ +BusPDP11.prototype.restoreMemory = function(a) +{ + var i; + for (i = 0; i < a.length - 1; i += 2) { + var iBlock = a[i]; + var adw = a[i+1]; + if (adw && adw.length < this.nBlockLen) { + adw = State.decompress(adw, this.nBlockLen); + } + var block = this.aMemBlocks[iBlock]; + if (!block || !block.restore(adw)) { + /* + * Either the block to restore hasn't been allocated, indicating a change in the machine + * configuration since it was last saved (the most likely explanation) or there's some internal + * inconsistency (eg, the block size is wrong). + */ + Component.error("Unable to restore memory block " + iBlock); + return false; + } + } + return true; +}; + +/** + * reportError(op, addr, size, fQuiet) + * + * @this {BusPDP11} + * @param {number} op + * @param {number} addr + * @param {number} size + * @param {boolean} [fQuiet] (true if any error should be quietly logged) + * @return {boolean} false + */ +BusPDP11.prototype.reportError = function(op, addr, size, fQuiet) +{ + var sError = "Memory block error (" + op + ": " + str.toHex(addr) + "," + str.toHex(size) + ")"; + if (fQuiet) { + if (this.dbg) { + this.dbg.message(sError); + } else { + this.log(sError); + } + } else { + Component.error(sError); + } + return false; +}; + +if (NODE) module.exports = BusPDP11; diff --git a/modules/pdp11/lib/computer.js b/modules/pdp11/lib/computer.js new file mode 100644 index 000000000..515906375 --- /dev/null +++ b/modules/pdp11/lib/computer.js @@ -0,0 +1,1595 @@ +/** + * @fileoverview Implements the PDP11 Computer component. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +if (NODE) { + var str = require("../../shared/lib/strlib"); + var usr = require("../../shared/lib/usrlib"); + var web = require("../../shared/lib/weblib"); + var UserAPI = require("../../shared/lib/userapi"); + var ReportAPI = require("../../shared/lib/reportapi"); + var Component = require("../../shared/lib/component"); + var State = require("../../shared/lib/state"); + var PDP11 = require("./defines"); + var BusPDP11 = require("./bus"); + var MessagesPDP11 = require("./messages"); +} + +/** + * ComputerPDP11(parmsComputer, parmsMachine, fSuspended) + * + * @constructor + * @extends Component + * @param {Object} parmsComputer + * @param {Object} [parmsMachine] + * @param {boolean} [fSuspended] + * + * The ComputerPDP11 component has no required (parmsComputer) properties, but it does + * support the following: + * + * autoPower: true to automatically power the computer (default), false to wait; + * false is honored only if a "power" button binding exists. + * + * busWidth: number of memory address lines (address bits) on the computer's "bus"; + * 20 is the minimum (and the default), which implies 8086/8088 real-mode addressing, + * while 24 is required for 80286 protected-mode addressing. This value is passed + * directly through to the Bus component; see that component for more details. + * + * resume: one of the ComputerPDP11.RESUME constants, which are as follows: + * '0' if resume disabled (default) + * '1' if enabled without prompting + * '2' if enabled with prompting + * '3' if enabled with prompting and auto-delete + * or a string containing the path of a predefined JSON-encoded state + * + * state: the path to JSON-encoded state file (see details regarding 'state' below) + * + * The parmsMachine object, if provided, may contain any of: + * + * autoMount: if set, this should override any 'autoMount' property in the FDC's + * parmsFDC object. + * + * autoPower: if set, this should override any 'autoPower' property in the ComputerPDP11's + * parmsComputer object. + * + * messages: if set, this should override any 'messages' property in the Debugger's + * parmsDbg object. + * + * state: if set, this should override any 'state' property in the ComputerPDP11's + * parmsComputer object. + * + * url: the location of the machine XML file + * + * If a predefined state is supplied AND it's successfully loaded, then resume behavior + * defaults to '1' (ie, resume enabled without prompting). + * + * This component insures that all components are ready before "powering" them. + * + * Different components become ready at different times, and initialization order (ie, + * the order the scripts are combined on the page) only partially determines readiness. + * This is because components like ROM and Video must finish loading their resource files + * before they are ready. Other components become ready after we call their initBus() + * function, because they have a Bus or CPU dependency, such as access to memory management + * functions. And other components, like CPU and Panel, are ready as soon as their + * constructor finishes. + * + * Once a component has indicated it's ready, we call its powerUp() notification + * function (if it has one--it's optional). We call the CPU's powerUp() function last, + * so that the CPU is assured that all other components are ready and "powered". + */ +function ComputerPDP11(parmsComputer, parmsMachine, fSuspended) { + + Component.call(this, "Computer", parmsComputer, ComputerPDP11, MessagesPDP11.COMPUTER); + + this.flags.fPowered = false; + + this.setMachineParms(parmsMachine); + + this.fAutoPower = this.getMachineParm('autoPower', parmsComputer); + + /* + * nPowerChange is 0 while the power state is stable, 1 while power is transitioning + * to "on", and -1 while power is transitioning to "off". + */ + this.nPowerChange = 0; + + /* + * TODO: Deprecate 'buswidth' (it should have always used camelCase) + */ + this.nBusWidth = parmsComputer['busWidth'] || parmsComputer['buswidth']; + + this.resume = ComputerPDP11.RESUME_NONE; + this.sStateData = null; + this.fStateData = false; // remembers if sStateData was loaded + this.fServerState = false; + + this.url = this.getMachineParm('url') || ""; + + /* + * Generate a random number x (where 0 <= x < 1), add 0.1 so that it's guaranteed to be + * non-zero, convert to base 36, and chop off the leading digit and "decimal" point. + */ + this.sMachineID = (Math.random() + 0.1).toString(36).substr(2,12); + this.sUserID = this.queryUserID(); + + /* + * Find the appropriate CPU (and Debugger and Control Panel, if any) + * + * CLOSURE COMPILER TIP: To override the type of a right-hand expression (as we need to do here, + * where we know getComponentByType() will only return an CPUState object or null), wrap the expression + * in parentheses. I never knew this until I stumbled across it in "Closure: The Definitive Guide". + */ + this.cpu = /** @type {CPUStatePDP11} */ (Component.getComponentByType("CPU", this.id)); + if (!this.cpu) { + Component.error("Unable to find CPU component"); + return; + } + this.dbg = /** @type {DebuggerPDP11} */ (Component.getComponentByType("Debugger", this.id)); + + /* + * Initialize the Bus component + */ + this.bus = new BusPDP11({'id': this.idMachine + '.bus', 'busWidth': this.nBusWidth}, this.cpu, this.dbg); + + /* + * Iterate through all the components and connect them to the Control Panel, if any + */ + var iComponent, component; + var aComponents = Component.getComponents(this.id); + this.panel = /** @type {PanelPDP11} */ (Component.getComponentByType("Panel", this.id)); + + if (this.panel && this.panel.controlPrint) { + for (iComponent = 0; iComponent < aComponents.length; iComponent++) { + component = aComponents[iComponent]; + /* + * I can think of many "cleaner" ways for the Control Panel component to pass its + * notice(), println(), etc, overrides on to all the other components, but it's just + * too darn convenient to slam those overrides into the components directly. + */ + component.notice = this.panel.notice; + component.println = this.panel.println; + component.controlPrint = this.panel.controlPrint; + } + } + + this.println(PDP11.APPNAME + " v" + (XMLVERSION || PDP11.APPVERSION) + "\n" + COPYRIGHT + "\n" + LICENSE); + + if (DEBUG && this.messageEnabled()) this.printMessage("TYPEDARRAYS: " + TYPEDARRAYS); + + /* + * Iterate through all the components again and call their initBus() handler, if any + */ + for (iComponent = 0; iComponent < aComponents.length; iComponent++) { + component = aComponents[iComponent]; + if (component.initBus) component.initBus(this, this.bus, this.cpu, this.dbg); + } + + var sStatePath = null; + var sResume = parmsComputer['resume']; + if (sResume !== undefined) { + /* + * DEPRECATE: This goofiness is a holdover from when the 'resume' property was a string (either a + * single-digit string or a path); now it's always a number, so it never has a 'length' property and + * the call to parseInt() is unnecessary. + */ + if (sResume.length > 1) { + sStatePath = this.sResumePath = sResume; + } else { + this.resume = parseInt(sResume, 10); + } + } + + /* + * The Computer 'state' property allows a state file to be specified independent of the 'resume' feature; + * previously, you could only use 'resume' to load a state file -- which we still support, but loading a state + * file that way prevents the machine's state from being saved, since we always resume from the 'resume' file. + * + * The other wrinkle is on the restore side: we need to IGNORE the 'state' property if a saved state now exists. + * So we have to peek at localStorage, and unfortunately, the only way to "peek" is to actually load the data, + * but we're not ready to use it yet, so powerUp() has been changed to use any existing stateComputer that we've + * already loaded. + * + * However, there's now a wrinkle to the wrinkle: if a 'state' parameter has been passed via the URL, then that + * OVERRIDES everything; it overrides any 'state' Computer parameter AND it disables resume of any saved state in + * localStorage (in other words, it prevents fAllowResume from being true, and forcing resume off). + */ + var fAllowResume; + var sState = this.getMachineParm('state') || (fAllowResume = true) && parmsComputer['state']; + + if (sState) { + sStatePath = this.sStatePath = sState; + if (!fAllowResume) { + this.fServerState = true; + this.resume = ComputerPDP11.RESUME_NONE; + } + if (this.resume) { + this.stateComputer = new State(this, PDP11.APPVERSION); + if (this.stateComputer.load()) { + sStatePath = null; + } else { + delete this.stateComputer; + } + } + } + + /* + * If sStatePath is set, we must use it. But if there's no sStatePath AND resume is set, + * then we have the option of resuming from a server-side state, assuming a valid USERID. + */ + if (!sStatePath && this.resume) { + sStatePath = this.getServerStatePath(); + if (sStatePath) this.fServerState = true; + } + + if (!sStatePath) { + this.setReady(); + } else { + var cmp = this; + web.getResource(sStatePath, null, true, function(sURL, sResource, nErrorCode) { + cmp.doneLoad(sURL, sResource, nErrorCode); + }); + } + + if (!this.bindings["power"]) this.fAutoPower = true; + + /* + * Power on the computer, giving every component the opportunity to reset or restore itself. + */ + if (!fSuspended && this.fAutoPower) this.wait(this.powerOn); +} + +Component.subclass(ComputerPDP11); + +ComputerPDP11.STATE_FAILSAFE = "failsafe"; +ComputerPDP11.STATE_VALIDATE = "validate"; +ComputerPDP11.STATE_TIMESTAMP = "timestamp"; +ComputerPDP11.STATE_VERSION = "version"; +ComputerPDP11.STATE_HOSTURL = "url"; +ComputerPDP11.STATE_BROWSER = "browser"; +ComputerPDP11.STATE_USERID = "user"; + +/* + * The following constants define all the resume options. Negative values (eg, RESUME_REPOWER) are for + * internal use only, and RESUME_DELETE is not documented (it provides a way of deleting ALL saved states + * whenever a resume is declined). As a result, the only "end-user" values are 0, 1 and 2. + */ +ComputerPDP11.RESUME_REPOWER = -1; // resume without changing any state (for internal use only) +ComputerPDP11.RESUME_NONE = 0; // default (no resume) +ComputerPDP11.RESUME_AUTO = 1; // automatically save/restore state +ComputerPDP11.RESUME_PROMPT = 2; // automatically save but conditionally restore (WARNING: if restore is declined, any state is discarded) +ComputerPDP11.RESUME_DELETE = 3; // same as RESUME_PROMPT but discards ALL machines states whenever ANY machine restore is declined (undocumented) + +/** + * getMachineID() + * + * @return {string} + */ +ComputerPDP11.prototype.getMachineID = function() +{ + return this.sMachineID; +}; + +/** + * setMachineParms(parmsMachine) + * + * If no explicit machine parms were provided, then we check for 'parms' in the bundled resources (if any). + * + * @param {Object} [parmsMachine] + */ +ComputerPDP11.prototype.setMachineParms = function(parmsMachine) +{ + if (!parmsMachine) { + var sParms; + if (typeof resources == 'object' && (sParms = resources['parms'])) { + try { + parmsMachine = /** @type {Object} */ (eval("(" + sParms + ")")); + } catch(e) { + Component.error(e.message + " (" + sParms + ")"); + } + } + } + this.parmsMachine = parmsMachine; +}; + +/** + * getMachineParm(sParm, parmsComponent) + * + * If the machine parameter doesn't exist, we check for a matching component parameter (if parmsComponent is provided), + * and failing that, we check the bundled resources (if any). + * + * At the moment, the only bundled resource request we expect to encounter is 'state'; if it exists, then we return + * 'state' back to the caller (ie, the name of the resource), so that the caller will then attempt to load the 'state' + * resource to obtain the actual state. + * + * @param {string} sParm + * @param {Object} [parmsComponent] + * @return {string|undefined} + */ +ComputerPDP11.prototype.getMachineParm = function(sParm, parmsComponent) +{ + /* + * When checking parmsURL, the check is allowed be a bit looser, because URL parameters are + * user-supplied, whereas most other parameters are developer-supplied. Granted, a developer + * may also be sloppy and neglect to use correct case (eg, 'automount' instead of 'autoMount'), + * but there are limits to my paranoia. + */ + var sParmLC = sParm.toLowerCase(); + var value = Component.parmsURL[sParm] || Component.parmsURL[sParmLC]; + + if (value === undefined && this.parmsMachine) { + value = this.parmsMachine[sParm]; + } + if (value === undefined && parmsComponent) { + value = parmsComponent[sParm]; + } + if (value === undefined && typeof resources == 'object' && resources[sParm]) { + value = sParm; + } + return value; +}; + +/** + * saveMachineParms() + * + * @return {string|null} + */ +ComputerPDP11.prototype.saveMachineParms = function() +{ + return this.parmsMachine? JSON.stringify(this.parmsMachine) : null; +}; + +/** + * getUserID() + * + * @return {string} + */ +ComputerPDP11.prototype.getUserID = function() +{ + return this.sUserID || ""; +}; + +/** + * doneLoad(sURL, sStateData, nErrorCode) + * + * @this {ComputerPDP11} + * @param {string} sURL + * @param {string} sStateData + * @param {number} nErrorCode + */ +ComputerPDP11.prototype.doneLoad = function(sURL, sStateData, nErrorCode) +{ + if (!nErrorCode) { + this.sStateData = sStateData; + this.fStateData = true; + if (DEBUG && this.messageEnabled()) { + this.printMessage("loaded state file " + sURL.replace(this.sUserID || "xxx", "xxx")); + } + } else { + this.sResumePath = null; + this.fServerState = false; + this.notice('Unable to load machine state from server (error ' + nErrorCode + (sStateData? ': ' + str.trim(sStateData) : '') + ')'); + } + this.setReady(); +}; + +/** + * wait(fn, parms) + * + * wait() waits until every component is ready (including ourselves, the last component we check), then calls the + * specified Computer method. + * + * TODO: The Closure Compiler makes it difficult for us to define a function type for "fn" that works in all cases; + * sometimes we want to pass a function that takes only a "number", and other times we want to pass a function that + * takes only an "Array" (the type will mirror that of the "parms" parameter). However, the Closure Compiler insists + * that both functions must be declared as accepting both types of parameters. So once again, we must use an untyped + * function declaration, instead of something stricter like: + * + * param {function(this:Computer, (number|Array|undefined)): undefined} fn + * + * @this {ComputerPDP11} + * @param {function(...)} fn + * @param {number|Array} [parms] optional parameters + */ +ComputerPDP11.prototype.wait = function(fn, parms) +{ + var computer = this; + var aComponents = Component.getComponents(this.id); + for (var iComponent = 0; iComponent <= aComponents.length; iComponent++) { + var component = (iComponent < aComponents.length ? aComponents[iComponent] : this); + if (!component.isReady()) { + component.isReady(function onComponentReady() { + computer.wait(fn, parms); + }); + return; + } + } + if (DEBUG && this.messageEnabled()) this.printMessage("ComputerPDP11.wait(ready)"); + fn.call(this, parms); +}; + +/** + * validateState(stateComputer) + * + * NOTE: We clear() stateValidate only when there's no stateComputer. + * + * @this {ComputerPDP11} + * @param {State|null} [stateComputer] + * @return {boolean} true if state passes validation, false if not + */ +ComputerPDP11.prototype.validateState = function(stateComputer) +{ + var fValid = true; + var stateValidate = new State(this, PDP11.APPVERSION, ComputerPDP11.STATE_VALIDATE); + if (stateValidate.load() && stateValidate.parse()) { + var sTimestampValidate = stateValidate.get(ComputerPDP11.STATE_TIMESTAMP); + var sTimestampComputer = stateComputer? stateComputer.get(ComputerPDP11.STATE_TIMESTAMP) : "unknown"; + if (sTimestampValidate != sTimestampComputer) { + this.notice("Machine state may be out-of-date\n(" + sTimestampValidate + " vs. " + sTimestampComputer + ")\nCheck your browser's local storage limits"); + fValid = false; + if (!stateComputer) stateValidate.clear(); + } else { + if (DEBUG && this.messageEnabled()) { + this.printMessage("Last state: " + sTimestampComputer + " (validate: " + sTimestampValidate + ")"); + } + } + } + return fValid; +}; + +/** + * powerOn(resume) + * + * Power every component "up", applying any previously available state information. + * + * @this {ComputerPDP11} + * @param {number} [resume] is a valid RESUME value; default is this.resume + */ +ComputerPDP11.prototype.powerOn = function(resume) +{ + if (resume === undefined) { + resume = this.resume || (this.sStateData? ComputerPDP11.RESUME_AUTO : ComputerPDP11.RESUME_NONE); + } + + if (DEBUG && this.messageEnabled()) { + this.printMessage("ComputerPDP11.powerOn(" + (resume == ComputerPDP11.RESUME_REPOWER ? "repower" : (resume ? "resume" : "")) + ")"); + } + + if (this.nPowerChange) { + return; + } + this.nPowerChange++; + + var fRepower = false; + var fRestore = false; + this.fRestoreError = false; + var stateComputer = this.stateComputer || new State(this, PDP11.APPVERSION); + + if (resume == ComputerPDP11.RESUME_REPOWER) { + fRepower = true; + } + else if (resume > ComputerPDP11.RESUME_NONE) { + if (stateComputer.load(this.sStateData)) { + /* + * Since we're resuming something (either a predefined state or a state from localStorage), let's + * create a "failsafe" checkpoint in localStorage, and destroy it at the end of a successful powerOn(). + * Which means, of course, that if a previous "failsafe" checkpoint already exists, something bad + * may have happened the last time around. + */ + this.stateFailSafe = new State(this, PDP11.APPVERSION, ComputerPDP11.STATE_FAILSAFE); + if (this.stateFailSafe.load()) { + this.powerReport(stateComputer); + /* + * We already know resume is something other than RESUME_NONE, so we'll go ahead and bump it + * all the way to RESUME_PROMPT, so that the user will be prompted, and if the user declines to + * restore, the state will be removed. + */ + resume = ComputerPDP11.RESUME_PROMPT; + /* + * To ensure that the set() below succeeds, we need to call unload(), otherwise it may fail + * with a "read only" error (eg, "TypeError: Cannot assign to read only property 'timestamp'"). + */ + this.stateFailSafe.unload(); + } + + this.stateFailSafe.set(ComputerPDP11.STATE_TIMESTAMP, usr.getTimestamp()); + this.stateFailSafe.store(); + + var fValidate = this.resume && !this.fServerState; + if (resume == ComputerPDP11.RESUME_AUTO || web.confirmUser("Click OK to restore the previous " + PDP11.APPNAME + " machine state, or CANCEL to reset the machine.")) { + fRestore = stateComputer.parse(); + if (fRestore) { + var sCode = stateComputer.get(UserAPI.RES.CODE); + var sData = stateComputer.get(UserAPI.RES.DATA); + if (sCode) { + if (sCode == UserAPI.CODE.OK) { + stateComputer.load(sData); + } else { + /* + * A missing (or not yet created) state file is no cause for alarm, but other errors might be + */ + if (sCode == UserAPI.CODE.FAIL && sData != UserAPI.FAIL.NOSTATE) { + this.notice("Error: " + sData); + if (sData == UserAPI.FAIL.VERIFY) this.resetUserID(); + } else { + this.println(sCode + ": " + sData); + } + /* + * Try falling back to the state that we should have saved in localStorage, as a backup to the + * server-side state. + */ + stateComputer.unload(); // discard the invalid server-side state first + if (stateComputer.load()) { + fRestore = stateComputer.parse(); + fValidate = true; + } else { + fRestore = false; // hmmm, there was nothing in localStorage either + } + } + } + } + /* + * If the load/parse was successful, and it was from localStorage (not sStateData), + * then we should to try verify that localStorage snapshot is current. One reason it may + * NOT be current is if localStorage was full and we got a quota error during the last + * powerOff(). + */ + if (fValidate) this.validateState(fRestore? stateComputer : null); + } else { + /* + * RESUME_PROMPT indicates we should delete the state if they clicked Cancel to confirm() above. + */ + if (resume == ComputerPDP11.RESUME_PROMPT) stateComputer.clear(); + } + } else { + /* + * If there's no state, then there should also be no validation timestamp; if there is, then once again, + * we're probably dealing with a quota error. + */ + this.validateState(); + } + delete this.sStateData; + delete this.stateComputer; + } + + /* + * Start powering all components, including any data they may need to restore their state; + * we restore power to the CPU last. + */ + var aComponents = Component.getComponents(this.id); + for (var iComponent = 0; iComponent < aComponents.length; iComponent++) { + var component = aComponents[iComponent]; + if (component !== this && component != this.cpu) { + fRestore = this.powerRestore(component, stateComputer, fRepower, fRestore); + } + } + + /* + * Assuming this is not a repower, we must perform another wait, because some components may + * have marked themselves as "not ready" again (eg, the FDC component, if the restore forced it + * to mount one or more additional disk images). + */ + var aParms = [stateComputer, resume, fRestore]; + + if (resume != ComputerPDP11.RESUME_REPOWER) { + this.wait(this.donePowerOn, aParms); + return; + } + this.donePowerOn(aParms); +}; + +/** + * powerRestore(component, stateComputer, fRepower, fRestore) + * + * @this {ComputerPDP11} + * @param {Component} component + * @param {State} stateComputer + * @param {boolean} fRepower + * @param {boolean} fRestore + * @return {boolean} true if restore should continue, false if not + */ +ComputerPDP11.prototype.powerRestore = function(component, stateComputer, fRepower, fRestore) +{ + if (!component.flags.fPowered) { + + component.flags.fPowered = true; + + if (component.powerUp) { + + var data = null; + if (fRestore) { + data = stateComputer.get(component.id); + if (!data) { + /* + * This is a hack that makes it possible for a machine whose ID has been + * supplemented with a suffix (a single letter or digit) to find object IDs + * in states created from a machine without the suffix. + * + * For example, if a state file was created from a machine with ID "ibm5160" + * but the current machine is "ibm5160a", this attempts a second lookup with + * "ibm5160", enabling us to find objects that match the original machine ID + * (eg, "ibm5160.romEGA"). + */ + data = stateComputer.get(component.id.replace(/[a-z0-9]\./i, '.')); + } + } + + /* + * State.get() will return whatever was originally passed to State.set() (eg, an + * Object or a string), but components are supposed to store only Objects, so if a + * string comes back, something went wrong. By explicitly eliminating "string" data, + * the Closure Compiler stops complaining that we might be passing strings to our + * powerUp() functions (even though we know we're not). + * + * TODO: Determine if there's some way to coerce the Closure Compiler into treating + * data as Object or null, without having to include this runtime check. An assert + * would be a good idea, but this is overkill. + */ + if (typeof data === "string") data = null; + + /* + * If computer is null, this is simply a repower notification, which most components + * don't do anything with. Exceptions include: CPU (since it may be halted) and Video + * (since its screen may be "turned off"). + */ + if (!component.powerUp(data, fRepower) && data) { + + Component.error("Unable to restore state for " + component.type); + /* + * If this is a resume error for a machine that also has a predefined state + * AND we're not restoring from that state, then throw away the current state, + * prevent any new state from being created, and then force a reload, which will + * hopefully restore us to the functioning predefined state. + * + * TODO: Considering doing this in ALL cases, not just in situations where a + * 'state' exists but we're not actually resuming from it. + */ + if (this.sStatePath && !this.fStateData) { + stateComputer.clear(); + this.resume = ComputerPDP11.RESUME_NONE; + web.reloadPage(); + } else { + /* + * In all other cases, we set fRestoreError, which should trigger a call to + * powerReport() and then delete the offending state. + */ + this.fRestoreError = true; + } + /* + * Any failure triggers an automatic to call powerUp() again, without any state, + * in the hopes that the component can recover by performing a reset. + */ + component.powerUp(null); + /* + * We also disable the rest of the restore operation, because it's not clear + * the remaining state information can be trusted; the machine is already in an + * inconsistent state, so we're not likely to make things worse, and the only + * alternative (starting over and performing a state-less reset) isn't likely to make + * the user any happier. But, we'll see... we need some experience with the code. + */ + fRestore = false; + } + } + + if (!fRepower && component.comment) { + var asComments = component.comment.split("|"); + for (var i = 0; i < asComments.length; i++) { + component.status(asComments[i]); + } + } + } + return fRestore; +}; + +/** + * donePowerOn(aParms) + * + * This is nothing more than a continuation of powerOn(), giving us the option of calling wait() one more time. + * + * @this {ComputerPDP11} + * @param {Array} aParms containing [stateComputer, resume, fRestore] + */ +ComputerPDP11.prototype.donePowerOn = function(aParms) +{ + var stateComputer = aParms[0]; + var fRepower = (aParms[1] < 0); + var fRestore = aParms[2]; + + if (DEBUG && this.flags.fPowered && this.messageEnabled()) { + this.printMessage("ComputerPDP11.donePowerOn(): redundant"); + } + + this.fInitialized = true; + this.flags.fPowered = true; + var controlPower = this.bindings["power"]; + if (controlPower) controlPower.textContent = "Shutdown"; + + /* + * Once we get to this point, we're guaranteed that all components are ready, so it's safe to power the CPU; + * the CPU should begin executing immediately, unless a debugger is attached. + */ + if (this.cpu) { + /* + * TODO: Do we not care about the return value here? (ie, is checking fRestoreError sufficient)? + */ + this.powerRestore(this.cpu, stateComputer, fRepower, fRestore); + this.cpu.autoStart(); + } + + /* + * If the state was bad, offer to report it and then delete it. Deleting may be moot, since invariably a new + * state will be created on powerOff() before the next powerOn(), but it seems like good paranoia all the same. + */ + if (this.fRestoreError) { + this.powerReport(stateComputer); + stateComputer.clear(); + } + + if (!fRepower && this.stateFailSafe) { + this.stateFailSafe.clear(); + delete this.stateFailSafe; + } + + this.nPowerChange = 0; +}; + +/** + * checkPower() + * + * @this {ComputerPDP11} + * @return {boolean} true if the computer is fully powered, false otherwise + */ +ComputerPDP11.prototype.checkPower = function() +{ + if (this.flags.fPowered) return true; + + var component = null, iComponent; + var aComponents = Component.getComponents(this.id); + for (iComponent = 0; iComponent < aComponents.length; iComponent++) { + component = aComponents[iComponent]; + if (component !== this && !component.flags.fReady) break; + } + if (iComponent == aComponents.length) { + for (iComponent = 0; iComponent < aComponents.length; iComponent++) { + component = aComponents[iComponent]; + if (component !== this && !component.flags.fPowered) break; + } + } + if (iComponent == aComponents.length) component = this; + var s = "The " + component.type + " component (" + component.id + ") is not " + (!component.flags.fReady? "ready yet" + (component.fnReady? " (waiting for notification)" : "") : "powered yet") + "."; + web.alertUser(s); + return false; +}; + +/** + * powerReport(stateComputer) + * + * @this {ComputerPDP11} + * @param {State} stateComputer + */ +ComputerPDP11.prototype.powerReport = function(stateComputer) +{ + if (web.confirmUser("There may be a problem with your " + PDP11.APPNAME + " machine.\n\nTo help us diagnose it, click OK to send this " + PDP11.APPNAME + " machine state to http://" + SITEHOST + ".")) { + web.sendReport(PDP11.APPNAME, PDP11.APPVERSION, this.url, this.getUserID(), ReportAPI.TYPE.BUG, stateComputer.toString()); + } +}; + +/** + * powerOff(fSave, fShutdown) + * + * Power every component "down" and optionally save the machine state. + * + * There's one scenario that powerOff() isn't currently able to deal with very effectively: what to do when + * the user switches away while it's still being restored, causing Disk getResource() calls to fail. The + * Disk component calls notify() when that happens -- see Disk.mount() -- but the FDC and HDC controllers don't + * notify *us* of those problems, so Computer assumes that the restore was completely successful, when in fact + * it was only partially successful. + * + * Then we immediately arrive here to perform a save, following that incomplete restore. It would be wrong to + * deal with that incomplete restore by setting fRestoreError, because we don't want to trigger a powerReport() + * and the deletion of the previous state, because the state itself was presumably OK. Unfortunately, the new + * state we now save will no longer include manually mounted disk images whose remounts were interrupted, so future + * restores won't remount them either. + * + * We could perhaps solve this by having the Disk component notify us in those situations, set a new flag + * (fRestoreIncomplete?), and set fSave to false if that's ever set. Be careful though: when fSave is false, + * that means MORE than not saving; it also means deleting any previous state, which is NOT what you'd want to + * do in a "fRestoreIncomplete" situation. Also, we have to worry about Disk operations that fail for other reasons, + * making sure those failures don't interfere with the save process in the same way. + * + * As it stands, the worst that happens is any manually mounted disk images might have to be manually remounted, + * which doesn't seem like a huge problem. + * + * @this {ComputerPDP11} + * @param {boolean} [fSave] is true to request a saved state + * @param {boolean} [fShutdown] is true if the machine is being shut down + * @return {string|null} string representing the saved state (or null if error) + */ +ComputerPDP11.prototype.powerOff = function(fSave, fShutdown) +{ + var data; + var sState = "none"; + + if (DEBUG && this.messageEnabled()) { + this.printMessage("ComputerPDP11.powerOff(" + (fSave ? "save" : "nosave") + (fShutdown ? ",shutdown" : "") + ")"); + } + + if (this.nPowerChange) { + return null; + } + this.nPowerChange--; + + var stateComputer = new State(this, PDP11.APPVERSION); + var stateValidate = new State(this, PDP11.APPVERSION, ComputerPDP11.STATE_VALIDATE); + + var sTimestamp = usr.getTimestamp(); + stateValidate.set(ComputerPDP11.STATE_TIMESTAMP, sTimestamp); + stateComputer.set(ComputerPDP11.STATE_TIMESTAMP, sTimestamp); + stateComputer.set(ComputerPDP11.STATE_VERSION, APPVERSION); + stateComputer.set(ComputerPDP11.STATE_HOSTURL, web.getHostURL()); + stateComputer.set(ComputerPDP11.STATE_BROWSER, web.getUserAgent()); + + /* + * Always power the CPU "down" first, just to help insure it doesn't ask other components to do anything + * after they're no longer ready. + */ + if (this.cpu && this.cpu.powerDown) { + if (fShutdown) this.cpu.stopCPU(); + data = this.cpu.powerDown(fSave, fShutdown); + if (typeof data === "object") stateComputer.set(this.cpu.id, data); + if (fShutdown) { + this.cpu.flags.fPowered = false; + if (data === false) sState = null; + } + } + + var aComponents = Component.getComponents(this.id); + for (var iComponent = 0; iComponent < aComponents.length; iComponent++) { + var component = aComponents[iComponent]; + if (component.flags.fPowered) { + if (component.powerDown) { + data = component.powerDown(fSave, fShutdown); + if (typeof data === "object") stateComputer.set(component.id, data); + } + if (fShutdown) { + component.flags.fPowered = false; + if (data === false) sState = null; + } + } + } + + if (sState) { + if (fShutdown) { + var fClear = false; + var fClearAll = false; + if (fSave) { + if (this.sUserID) { + this.saveServerState(this.sUserID, stateComputer.toString()); + } + if (!stateValidate.store() || !stateComputer.store()) { + sState = null; + /* + * New behavior as of v1.13.2: if it appears that localStorage is full, we blow it ALL away. + * Dedicated server-side storage is the only way we'll ever be able to reliably preserve a + * particular machine's state. Historically, attempting to limp along with whatever localStorage + * is left just generates the same useless and annoying warnings over and over. + */ + fClear = fClearAll = true; + } + } + else { + /* + * I used to ALWAYS clear (ie, delete) any associated computer state, but now I do this only if the + * current machine is "resumable", because there are situations where I have two configurations + * for the same machine -- one resumable and one not -- and I don't want the latter throwing away the + * state of the former. + * + * So this code is here now strictly for callers to delete the state of a "resumable" machine, not as + * some paranoid clean-up operation. + * + * An undocumented feature of this operation is that if your configuration uses the special 'resume="3"' + * value, and you click the "Reset" button, and then you click OK to reset the everything, this will + * actually reset EVERYTHING (ie, all localStorage for ALL configs will be reclaimed). + */ + if (this.resume) { + fClear = true; + fClearAll = (this.resume == ComputerPDP11.RESUME_DELETE); + } + } + if (fClear) { + stateComputer.clear(fClearAll); + } + } else { + sState = stateComputer.toString(); + } + } + + if (fShutdown) { + this.flags.fPowered = false; + var controlPower = this.bindings["power"]; + if (controlPower) controlPower.textContent = "Power"; + } + + this.nPowerChange = 0; + + return sState; +}; + +/** + * reset() + * + * Notify all (other) components with a reset() method that the Computer is being reset. + * + * NOTE: We'd like to reset the Bus first (due to the importance of the A20 line), but since we + * allocated the Bus object ourselves, after all the other components were allocated, it ends + * up near the end of Component's list of components. Hence the special case for this.bus below. + * + * @this {ComputerPDP11} + */ +ComputerPDP11.prototype.reset = function() +{ + if (this.bus && this.bus.reset) { + /* + * TODO: Why does WebStorm think that this.bus.type is undefined? The base class (Component) + * constructor defines it. + */ + this.printMessage("Resetting " + this.bus.type); + this.bus.reset(); + } + var aComponents = Component.getComponents(this.id); + for (var iComponent = 0; iComponent < aComponents.length; iComponent++) { + var component = aComponents[iComponent]; + if (component !== this && component !== this.bus && component.reset) { + this.printMessage("Resetting " + component.type); + component.reset(); + } + } +}; + +/** + * start(ms, nCycles) + * + * Notify all (other) components with a start() method that the CPU has started. + * + * Note that we're called by runCPU(), which is why we exclude the CPU component, + * as well as ourselves. + * + * @this {ComputerPDP11} + * @param {number} ms + * @param {number} nCycles + */ +ComputerPDP11.prototype.start = function(ms, nCycles) +{ + var aComponents = Component.getComponents(this.id); + for (var iComponent = 0; iComponent < aComponents.length; iComponent++) { + var component = aComponents[iComponent]; + if (component.type == "CPU" || component === this) continue; + if (component.start) { + component.start(ms, nCycles); + } + } +}; + +/** + * stop(ms, nCycles) + * + * Notify all (other) components with a stop() method that the CPU has stopped. + * + * Note that we're called by runCPU(), which is why we exclude the CPU component, + * as well as ourselves. + * + * @this {ComputerPDP11} + * @param {number} ms + * @param {number} nCycles + */ +ComputerPDP11.prototype.stop = function(ms, nCycles) +{ + var aComponents = Component.getComponents(this.id); + for (var iComponent = 0; iComponent < aComponents.length; iComponent++) { + var component = aComponents[iComponent]; + if (component.type == "CPU" || component === this) continue; + if (component.stop) { + component.stop(ms, nCycles); + } + } +}; + +/** + * setBinding(sHTMLType, sBinding, control, sValue) + * + * @this {ComputerPDP11} + * @param {string|null} sHTMLType is the type of the HTML control (eg, "button", "list", "text", "submit", "textarea", "canvas") + * @param {string} sBinding is the value of the 'binding' parameter stored in the HTML control's "data-value" attribute (eg, "reset") + * @param {Object} control is the HTML control DOM object (eg, HTMLButtonElement) + * @param {string} [sValue] optional data value + * @return {boolean} true if binding was successful, false if unrecognized binding request + */ +ComputerPDP11.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) +{ + var computer = this; + + switch (sBinding) { + case "power": + this.bindings[sBinding] = control; + control.onclick = function onClickPower() { + computer.onPower(); + }; + return true; + + case "reset": + this.bindings[sBinding] = control; + control.onclick = function onClickReset() { + computer.onReset(); + }; + return true; + + /* + * Technically, this binding should now be called "saveState", to clearly distinguish it from + * the "Save Machine" control that's normally bound to the savePC() function in save.js. Saving + * an entire machine includes everything needed to start/restore the machine; eg, the machine + * XML configuration file(s) *and* the JSON-encoded machine state. + */ + case "save": + /* + * Since this feature depends on the server supporting the PCjs User API (see userapi.js), + * and since pcjs.org is no longer running a Node web server, we disable the feature for that + * particular host. + */ + if (str.endsWith(web.getHost(), "pcjs.org")) { + if (DEBUG) this.log("Remote user API not available"); + /* + * We could also simply hide the control; eg: + * + * control.style.display = "none"; + * + * but removing the control altogether seems better. + */ + control.parentNode.removeChild(/** @type {Node} */ (control)); + return false; + } + this.bindings[sBinding] = control; + control.onclick = function onClickSave() { + var sUserID = computer.queryUserID(true); + if (sUserID) { + /* + * I modified the test to include a check for sStatePath so that I could save new states + * for machines with existing states; otherwise, I'd have no (easy) way of capturing and + * updating their state. Making the machine (even temporarily) resumable would have been + * one work-around, but it's not appropriate for some machines, as their state is simply + * too large (for localStorage anyway, which is the default storage solution). + */ + var fSave = !!(computer.resume && !computer.sResumePath || computer.sStatePath); + var sState = computer.powerOff(fSave); + if (fSave) { + computer.saveServerState(sUserID, sState); + } else { + computer.notice("Resume disabled, machine state not saved"); + } + } + /* + * This seemed like a handy alternative, but it turned out to be a no-go, at least for large states: + * + * var sState = computer.powerOff(true); + * if (sState) { + * sState = "data:text/json;charset=utf-8," + encodeURIComponent(sState); + * window.open(sState); + * } + * + * Perhaps if I embedded the data in a link on the current page instead; eg: + * + * $('Download').appendTo('#container'); + */ + }; + return true; + + default: + break; + } + return false; +}; + +/** + * resetUserID() + */ +ComputerPDP11.prototype.resetUserID = function() +{ + web.setLocalStorageItem(ComputerPDP11.STATE_USERID, ""); + this.sUserID = null; +}; + +/** + * queryUserID(fPrompt) + * + * @param {boolean} [fPrompt] + * @returns {string|null|undefined} + */ +ComputerPDP11.prototype.queryUserID = function(fPrompt) +{ + var sUserID = this.sUserID; + if (!sUserID) { + sUserID = web.getLocalStorageItem(ComputerPDP11.STATE_USERID); + if (sUserID !== undefined) { + if (!sUserID && fPrompt) { + /* + * NOTE: Warning the user here that "Save" operations are not currently supported by pcjs.org is + * merely a precaution, because ordinarily, setBinding() should have already determined if we are + * running from pcjs.org and disabled any "Save" button. + */ + sUserID = web.promptUser("Saving machine states on the pcjs.org server is currently unsupported.\n\nIf you're running your own server, enter your user ID below."); + if (sUserID) { + sUserID = this.verifyUserID(sUserID); + if (!sUserID) this.notice("The user ID is invalid."); + } + } + } else if (fPrompt) { + this.notice("Browser local storage is not available"); + } + } + return sUserID; +}; + +/** + * verifyUserID(sUserID) + * + * @this {ComputerPDP11} + * @param {string} sUserID + * @return {string} validated user ID, or null if error + */ +ComputerPDP11.prototype.verifyUserID = function(sUserID) +{ + this.sUserID = null; + var fMessages = DEBUG && this.messageEnabled(); + if (fMessages) this.printMessage("verifyUserID(" + sUserID + ")"); + var sRequest = web.getHost() + UserAPI.ENDPOINT + '?' + UserAPI.QUERY.REQ + '=' + UserAPI.REQ.VERIFY + '&' + UserAPI.QUERY.USER + '=' + sUserID; + var response = web.getResource(sRequest); + var nErrorCode = response[0]; + var sResponse = response[1]; + if (!nErrorCode && sResponse) { + try { + response = eval("(" + sResponse + ")"); + if (response.code && response.code == UserAPI.CODE.OK) { + web.setLocalStorageItem(ComputerPDP11.STATE_USERID, response.data); + if (fMessages) this.printMessage(ComputerPDP11.STATE_USERID + " updated: " + response.data); + this.sUserID = response.data; + } else { + if (fMessages) this.printMessage(response.code + ": " + response.data); + } + } catch (e) { + Component.error(e.message + " (" + sResponse + ")"); + } + } else { + if (fMessages) this.printMessage("invalid response (error " + nErrorCode + ")"); + } + return this.sUserID; +}; + +/** + * getServerStatePath() + * + * @this {ComputerPDP11} + * @return {string|null} sStatePath (null if no localStorage or no USERID stored in localStorage) + */ +ComputerPDP11.prototype.getServerStatePath = function() +{ + var sStatePath = null; + if (this.sUserID) { + if (DEBUG && this.messageEnabled()) { + this.printMessage(ComputerPDP11.STATE_USERID + " for load: " + this.sUserID); + } + sStatePath = web.getHost() + UserAPI.ENDPOINT + '?' + UserAPI.QUERY.REQ + '=' + UserAPI.REQ.LOAD + '&' + UserAPI.QUERY.USER + '=' + this.sUserID + '&' + UserAPI.QUERY.STATE + '=' + State.key(this, PDP11.APPVERSION); + } else { + if (DEBUG && this.messageEnabled()) { + this.printMessage(ComputerPDP11.STATE_USERID + " unavailable"); + } + } + return sStatePath; +}; + +/** + * saveServerState(sUserID, sState) + * + * @param {string} sUserID + * @param {string|null} sState + */ +ComputerPDP11.prototype.saveServerState = function(sUserID, sState) +{ + /* + * We must pass fSync == true, because (as I understand it) browsers will blow off any async + * requests when a page is being closed. Since our request is synchronous, storeServerState() + * should also return a result, but there's not much we can do with it, since browsers ALSO + * tend to blow off alerts() and the like when closing down. + */ + if (sState) { + if (DEBUG && this.messageEnabled()) { + this.printMessage("size of server state: " + sState.length + " bytes"); + } + var response = this.storeServerState(sUserID, sState, true); + if (response && response[UserAPI.RES.CODE] == UserAPI.CODE.OK) { + this.notice("Machine state saved to server"); + } else if (sState) { + var sError = (response && response[UserAPI.RES.DATA]) || UserAPI.FAIL.BADSTORE; + if (response[UserAPI.RES.CODE] == UserAPI.CODE.FAIL) { + sError = "Error: " + sError; + } else { + sError = "Error " + response[UserAPI.RES.CODE] + ": " + sError; + } + this.notice(sError); + this.resetUserID(); + } + } else { + if (DEBUG && this.messageEnabled()) { + this.printMessage("no state to store"); + } + } +}; + +/** + * storeServerState(sUserID, sState, fSync) + * + * @this {ComputerPDP11} + * @param {string} sUserID + * @param {string} sState + * @param {boolean} [fSync] is true if we're powering down and should perform a synchronous request (default is async) + * @return {*} server response if fSync is true and a response was received; otherwise null + */ +ComputerPDP11.prototype.storeServerState = function(sUserID, sState, fSync) +{ + if (DEBUG && this.messageEnabled()) { + this.printMessage(ComputerPDP11.STATE_USERID + " for store: " + sUserID); + } + /* + * TODO: Determine whether or not any browsers cancel our request if we're called during a browser "shutdown" event, + * and whether or not it matters if we do an async request (currently, we're not, to try to ensure the request goes through). + */ + var dataPost = {}; + dataPost[UserAPI.QUERY.REQ] = UserAPI.REQ.STORE; + dataPost[UserAPI.QUERY.USER] = sUserID; + dataPost[UserAPI.QUERY.STATE] = State.key(this, PDP11.APPVERSION); + dataPost[UserAPI.QUERY.DATA] = sState; + var sRequest = web.getHost() + UserAPI.ENDPOINT; + if (!fSync) { + web.getResource(sRequest, dataPost, true); + } else { + var response = web.getResource(sRequest, dataPost); + var sResponse = response[0]; + if (response[1]) { + if (sResponse) { + var i = sResponse.indexOf('\n'); + if (i > 0) sResponse = sResponse.substr(0, i); + if (!sResponse.indexOf("Error: ")) sResponse = sResponse.substr(7); + } + sResponse = '{"' + UserAPI.RES.CODE + '":' + response[1] + ',"' + UserAPI.RES.DATA + '":"' + sResponse + '"}'; + } + if (DEBUG && this.messageEnabled()) this.printMessage(sResponse); + return JSON.parse(sResponse); + } + return null; +}; + +/** + * onPower() + * + * This handles UI requests to toggle the computer's power (eg, see the "power" button binding). + * + * @this {ComputerPDP11} + */ +ComputerPDP11.prototype.onPower = function() +{ + if (!this.nPowerChange) { + if (!this.flags.fPowered) { + this.wait(this.powerOn); + } else { + this.powerOff(false, true); + } + } +}; + +/** + * onReset() + * + * This handles UI requests to reset the computer's state (eg, see the "reset" button binding). + * + * @this {ComputerPDP11} + */ +ComputerPDP11.prototype.onReset = function() +{ + /* + * I'm going to start with the presumption that it makes little sense for an "unpowered" computer to be "reset"; + * ditto if the power state is currently being changed. + */ + if (!this.flags.fPowered || this.nPowerChange) return; + + /* + * If this is a "resumable" machine (and it's not using a predefined state), then we overload the reset + * operation to offer an explicit "save or discard" option first. This is currently the only UI we offer to + * discard a machine's state, including any disk changes. The traditional "reset" operation is still available + * for non-resumable machines. + * + * TODO: Break this behavior out into a separate "discard" operation, in case the designer of the machine really + * wants to clutter the UI with confusing options. ;-) + */ + if (this.resume && !this.sResumePath) { + /* + * I used to bypass the prompt if this.resume == ComputerPDP11.RESUME_AUTO, setting fSave to true automatically, + * but that gives the user no means of resetting a resumable machine that contains errors in its resume state. + */ + var fSave = (/* this.resume == ComputerPDP11.RESUME_AUTO || */ web.confirmUser("Click OK to save changes to this " + PDP11.APPNAME + " machine.\n\nWARNING: If you CANCEL, all disk changes will be discarded.")); + this.powerOff(fSave, true); + /* + * Forcing the page to reload is an expedient option, but ugly. It's preferable to call powerOn() + * and rely on all the components to reset themselves to their default state. The components with + * the greatest burden here are FDC and HDC, which must rely on the fReload flag to determine whether + * or not to unload/reload all their original auto-mounted disk images. + * + * However, if we started with a predefined state (ie, sStatePath is set), we take this shortcut, because + * we don't (yet) have code in place to gracefully reload the initial state (requires calling getResource() + * again); alternatively, we could avoid throwing that state away, but it seems better to save the memory. + * + * TODO: Make this more graceful, so that we can stop using the reloadPage() sledgehammer. + */ + if (!fSave && this.sStatePath) { + web.reloadPage(); + return; + } + if (!fSave) this.fReload = true; + this.powerOn(ComputerPDP11.RESUME_NONE); + this.fReload = false; + } else { + this.reset(); + if (this.cpu) this.cpu.autoStart(); + } +}; + +/** + * getMachineComponent(sType, componentPrev) + * + * @this {ComputerPDP11} + * @param {string} sType + * @param {Component|null} [componentPrev] of previously returned component, if any + * @return {Component|null} + */ +ComputerPDP11.prototype.getMachineComponent = function(sType, componentPrev) +{ + var componentLast = componentPrev; + var aComponents = Component.getComponents(this.id); + for (var iComponent = 0; iComponent < aComponents.length; iComponent++) { + var component = aComponents[iComponent]; + if (componentPrev) { + if (componentPrev == component) componentPrev = null; + continue; + } + if (component.type == sType) return component; + } + if (!componentLast) Component.log("Machine component type '" + sType + "' not found", "warning"); + return null; +}; + +/** + * updateFocus(fScroll) + * + * NOTE: When soft keyboard buttons call us to return focus to the machine (and away from the button), + * the browser's default behavior is to scroll the element into view, which can be annoying, especially on iOS, + * where the display is more constrained, so we no longer do it by default (fScroll must be true). + * + * @this {ComputerPDP11} + * @param {boolean} [fScroll] + */ +ComputerPDP11.prototype.updateFocus = function(fScroll) +{ +}; + +/** + * updateStatus(fForce) + * + * If any DOM controls were bound to the CPU, then we need to call its updateStatus() handler; if there are no + * such bindings, then cpu.updateStatus() does nothing. + * + * Similarly, if there's a Panel, then we need to call its updateStatus() handler, in case it created its own canvas + * and implemented its own register display (eg, dumpRegisters()); if not, then panel.updateStatus() also does nothing. + * + * In practice, there will *either* be a Panel with a custom canvas *or* a set of DOM controls bound to the CPU *or* + * neither. In theory, there could be BOTH, but that would be unusual. + * + * TODO: Consider alternate approaches to these largely register-oriented display updates. Ordinarily, we like to + * separate logic from presentation, and currently the CPUState contains both, since it's the component that intimately + * knows the names, number, sizes, etc, of all the active registers. The Panel component is the logical candidate, + * but Panel is an optional component; generally, only machines that include Debugger also include Panel. + * + * @this {ComputerPDP11} + * @param {boolean} [fForce] (true will display registers even if the CPU is running and "live" registers are not enabled) + */ +ComputerPDP11.prototype.updateStatus = function(fForce) +{ + /* + * fForce is generally set to true whenever the CPU is transitioning to/from a running state, in which case + * cpu.updateStatus() will definitely want to hide/show register contents; however, at other times, when the + * CPU is running, constantly updating the DOM controls too frequently can adversely impact overall performance. + * + * So fForce serves as a hint to help cpu.updateStatus() make a more informed decision. panel.updateStatus() + * currently doesn't care, on the theory that canvas updates should be significantly faster than DOM updates, + * but we still pass fForce on. + */ + if (this.cpu) this.cpu.updateStatus(fForce); + if (this.panel) this.panel.updateStatus(fForce); +}; + +/** + * ComputerPDP11.init() + * + * For every machine represented by an HTML element of class "pcjs-machine", this function + * locates the HTML element of class "computer", extracting the JSON-encoded parameters for the + * Computer constructor from the element's "data-value" attribute, invoking the constructor to + * create a Computer component, and then binding any associated HTML controls to the new component. + */ +ComputerPDP11.init = function() +{ + /* + * In non-COMPILED builds, embedMachine() may have set XMLVERSION. + */ + if (!COMPILED && PDP11.XMLVERSION) PDP11.APPVERSION = PDP11.XMLVERSION; + + var aeMachines = Component.getElementsByClass(document, PDP11.APPCLASS + "-machine"); + + for (var iMachine = 0; iMachine < aeMachines.length; iMachine++) { + + var eMachine = aeMachines[iMachine]; + var parmsMachine = Component.getComponentParms(eMachine); + + var aeComputers = Component.getElementsByClass(eMachine, PDP11.APPCLASS, "computer"); + + for (var iComputer = 0; iComputer < aeComputers.length; iComputer++) { + + var eComputer = aeComputers[iComputer]; + var parmsComputer = Component.getComponentParms(eComputer); + + /* + * We set fSuspended in the Computer constructor because we want to "power up" the + * computer ourselves, after any/all bindings are in place. + */ + var computer = new ComputerPDP11(parmsComputer, parmsMachine, true); + + if (DEBUG && computer.messageEnabled()) { + computer.printMessage("onInit(" + computer.flags.fPowered + ")"); + } + + /* + * Bind any "power", "reset" and "save" buttons. An "erase" button was also considered, + * but "reset" now provides a way to force the machine to start from scratch again, so "erase" + * may be redundant now. + */ + Component.bindComponentControls(computer, eComputer, PDP11.APPCLASS); + + /* + * Power on the computer, giving every component the opportunity to reset or restore itself. + */ + if (computer.fAutoPower) computer.wait(computer.powerOn); + } + } +}; + +/** + * ComputerPDP11.show() + * + * When exit() is using an "onbeforeunload" handler, this "onpageshow" handler allows us to repower everything, + * without either resetting or restoring. We call powerOn() with a special resume value (RESUME_REPOWER) if the + * computer is already marked as "ready", meaning the browser didn't change anything. This "repower" process + * should be very quick, essentially just marking all components as powered again (so that, for example, the Video + * component will start drawing again) and firing the CPU up again. + */ +ComputerPDP11.show = function() +{ + var aeComputers = Component.getElementsByClass(document, PDP11.APPCLASS, "computer"); + for (var iComputer = 0; iComputer < aeComputers.length; iComputer++) { + var eComputer = aeComputers[iComputer]; + var parmsComputer = Component.getComponentParms(eComputer); + var computer = /** @type {ComputerPDP11} */ (Component.getComponentByType("Computer", parmsComputer['id'])); + if (computer) { + + if (DEBUG && computer.messageEnabled()) { + computer.printMessage("onShow(" + computer.fInitialized + "," + computer.flags.fPowered + ")"); + } + + /* + * Note that the FIRST 'onpageshow' event, and therefore the first show() callback, occurs + * AFTER the the initial 'onload' event, and at that point in time, fInitialized will not be set yet. + * So, practically speaking, the first show() callback isn't all that useful. + */ + if (computer.fInitialized && !computer.flags.fPowered) { + /** + * Repower the computer, notifying every component to continue running as-is. + */ + computer.powerOn(ComputerPDP11.RESUME_REPOWER); + } + } + } +}; + +/** + * ComputerPDP11.exit() + * + * The Computer is currently the only component that uses an "exit" handler, which web.onExit() defines as + * either an "unload" or "onbeforeunload" handler. This gives us the opportunity to save the machine state, + * using our powerOff() function, before the page goes away. + * + * It's worth noting that "onbeforeunload" offers one nice feature when used instead of "onload": the entire + * page (and therefore this entire application) is retained in its current state by the browser (well, some + * browsers), so that if you go to a new URL, either by entering a new URL in the same window/tab, or by pressing + * the FORWARD button, and then you press the BACK button, the page is immediately restored to its previous state. + * + * In fact, that's how some browsers operate whether you have an "onbeforeunload" handler or not; in other words, + * an "onbeforeunload" handler doesn't change the page retention behavior of the browser. By contrast, the mere + * presence of an "onunload" handler generally causes a browser to throw the page away once the handler returns. + * + * However, in order to safely use "onbeforeunload", we must add yet another handler ("onpageshow") to repower + * everything, without either resetting or restoring. Hence, the ComputerPDP11.show() function, which calls powerOn() + * with a special resume value (RESUME_REPOWER) if the computer is already marked as "ready", meaning the browser + * didn't change anything. This "repower" process should be very quick, essentially just marking all components as + * powered again (so that, for example, the Video component will start drawing again) and firing the CPU up again. + * + * Reportedly, some browsers (eg, Opera) don't support "onbeforeunload", in which case Component will have to use + * "unload" instead. But even when the page must be rebuilt from scratch, the combination of browser cache and + * localStorage means the simulation should be restored and become operational almost immediately. + */ +ComputerPDP11.exit = function() +{ + var aeComputers = Component.getElementsByClass(document, PDP11.APPCLASS, "computer"); + for (var iComputer = 0; iComputer < aeComputers.length; iComputer++) { + var eComputer = aeComputers[iComputer]; + var parmsComputer = Component.getComponentParms(eComputer); + var computer = /** @type {ComputerPDP11} */ (Component.getComponentByType("Computer", parmsComputer['id'])); + if (computer) { + + if (DEBUG && computer.messageEnabled()) { + computer.printMessage("onExit(" + computer.flags.fPowered + ")"); + } + + if (computer.flags.fPowered) { + /** + * Power off the computer, giving every component an opportunity to save its state, + * but only if 'resume' has been set AND there is no valid resume path (because if a valid resume + * path exists, we'll always load our state from there, and not from whatever we save here). + */ + computer.powerOff(!!(computer.resume && !computer.sResumePath), true); + } + } + } +}; + +/* + * Initialize every Computer on the page. + */ +web.onInit(ComputerPDP11.init); +web.onShow(ComputerPDP11.show); +web.onExit(ComputerPDP11.exit); + +if (NODE) module.exports = ComputerPDP11; diff --git a/modules/pdp11/lib/cpu.js b/modules/pdp11/lib/cpu.js new file mode 100644 index 000000000..7b93e19c7 --- /dev/null +++ b/modules/pdp11/lib/cpu.js @@ -0,0 +1,1228 @@ +/** + * @fileoverview Controls the PDP11 CPU component. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +if (NODE) { + var str = require("../../shared/lib/strlib"); + var usr = require("../../shared/lib/usrlib"); + var Component = require("../../shared/lib/component"); + var MessagesPDP11 = require("./messages"); +} + +/** + * CPUPDP11(parmsCPU, nCyclesDefault) + * + * The CPUPDP11 class supports the following (parmsCPU) properties: + * + * cycles: the machine's base cycles per second; the CPUStatePDP11 constructor + * will provide us with a default (based on the CPU model) to use as a fallback. + * + * multiplier: base cycle multiplier; default is 1. + * + * autoStart: true to automatically start, false to not, or null if "it depends"; + * null is the default, which means do not autostart UNLESS there is no Debugger + * and no "Run" button (ie, no way to manually start the machine). + * + * csStart: the number of cycles that runCPU() must wait before generating + * checksum records; -1 if disabled. checksum records are a diagnostic aid + * used to help compare one CPU run to another. + * + * csInterval: the number of cycles that runCPU() must execute before generating + * a checksum record; -1 if disabled. + * + * csStop: the number of cycles to stop generating checksum records. + * + * This component is primarily responsible for interfacing the CPU with the outside + * world (eg, Panel and Debugger components), and managing overall CPU operation. + * + * It is extended by the CPUStatePDP11 component, where the simulation control logic resides. + * + * @constructor + * @extends Component + * @param {Object} parmsCPU + * @param {number} nCyclesDefault + */ +function CPUPDP11(parmsCPU, nCyclesDefault) +{ + Component.call(this, "CPU", parmsCPU, CPUPDP11, MessagesPDP11.CPU); + + var nCycles = parmsCPU['cycles'] || nCyclesDefault; + + var nMultiplier = parmsCPU['multiplier'] || 1; + + this.nCyclesPerSecond = nCycles; + + /* + * nCyclesMultiplier replaces the old "speed" variable (0, 1, 2) and eliminates the need for + * the constants (SPEED_SLOW, SPEED_FAST and SPEED_MAX). The UI simply doubles the multiplier + * until we've exceeded the host's speed limit and then starts the multiplier over at 1. + */ + this.nCyclesMultiplier = nMultiplier; + this.mhzDefault = Math.round(this.nCyclesPerSecond / 10000) / 100; + /* + * TODO: Take care of this with an initial setSpeed() call instead? + */ + this.mhzTarget = this.mhzDefault * this.nCyclesMultiplier; + + /* + * We add a number of flags to the set initialized by Component + */ + this.flags.fRunning = false; + this.flags.fStarting = false; + this.flags.fAutoStart = parmsCPU['autoStart']; + + /* + * TODO: Add some UI for fDisplayLiveRegs (either an XML property, or a UI checkbox, or both) + */ + this.flags.fDisplayLiveRegs = false; + + /* + * Get checksum parameters, if any. runCPU() behavior is not affected until fChecksum + * is true, which won't happen until resetChecksum() is called with nCyclesChecksumInterval + * ("csInterval") set to a positive value. + * + * As above, any of these parameters can also be set with the Debugger's execution options + * command ("x"); for example, "x cs int 5000" will set nCyclesChecksumInterval to 5000 + * and call resetChecksum(). + */ + this.flags.fChecksum = false; + this.nChecksum = this.nCyclesChecksumNext = 0; + this.nCyclesChecksumStart = parmsCPU["csStart"]; + this.nCyclesChecksumInterval = parmsCPU["csInterval"]; + this.nCyclesChecksumStop = parmsCPU["csStop"]; + + /* + * Array of countdown timers managed by addTimer() and setTimer(). + */ + this.aTimers = []; + + this.onRunTimeout = this.runCPU.bind(this); // function onRunTimeout() { cpu.runCPU(); }; + + this.setReady(); +} + +Component.subclass(CPUPDP11); + +/* + * Constants that control the frequency at which various updates should occur. + * + * These values do NOT control the simulation directly. Instead, they are used by + * calcCycles(), which uses the nCyclesPerSecond passed to the constructor as a starting + * point and computes the following variables: + * + * this.nCyclesPerYield: (this.nCyclesPerSecond / CPUPDP11.YIELDS_PER_SECOND) + * + * The above variables are also multiplied by any cycle multiplier in effect, via setSpeed(), + * and then they're used to initialize another set of variables for each runCPU() iteration: + * + * this.nCyclesNextYield: this.nCyclesPerYield + */ +CPUPDP11.YIELDS_PER_SECOND = 30; // just a gut feeling for the MINIMUM number of yields per second +CPUPDP11.YIELDS_PER_STATUS = 15; // every 15 yields (ie, twice per second), perform CPU status updates + +CPUPDP11.BUTTONS = ["power", "reset"]; + +/** + * initBus(cmp, bus, cpu, dbg) + * + * @this {CPUPDP11} + * @param {ComputerPDP11} cmp + * @param {BusPDP11} bus + * @param {CPUPDP11} cpu + * @param {DebuggerPDP11} dbg + */ +CPUPDP11.prototype.initBus = function(cmp, bus, cpu, dbg) +{ + this.cmp = cmp; + this.bus = bus; + this.dbg = dbg; + + for (var i = 0; i < CPUPDP11.BUTTONS.length; i++) { + var control = this.bindings[CPUPDP11.BUTTONS[i]]; + if (control) this.cmp.setBinding(null, CPUPDP11.BUTTONS[i], control); + } + + /* + * Attach the ChipSet component to the CPU so that it can be notified whenever the CPU stops and starts. + */ + this.chipset = null; // /** @type {ChipSetPDP11} */ (cmp.getMachineComponent("ChipSet")); + + /* + * We've already saved the parmsCPU 'autoStart' setting, but there may be a machine (or URL) override. + */ + var sAutoStart = cmp.getMachineParm('autoStart'); + if (sAutoStart != null) { + this.flags.fAutoStart = (sAutoStart == "true"? true : (sAutoStart == "false"? false : !!sAutoStart)); + } + + this.setReady(); +}; + +/** + * reset() + * + * @this {CPUPDP11} + */ +CPUPDP11.prototype.reset = function() +{ +}; + +/** + * save() + * + * This is a placeholder for save support (overridden by the CPUStatePDP11 component). + * + * @this {CPUPDP11} + * @return {Object|null} + */ +CPUPDP11.prototype.save = function() +{ + return null; +}; + +/** + * restore(data) + * + * This is a placeholder for restore support (overridden by the CPUStatePDP11 component). + * + * @this {CPUPDP11} + * @param {Object} data + * @return {boolean} true if restore successful, false if not + */ +CPUPDP11.prototype.restore = function(data) +{ + return false; +}; + +/** + * powerUp(data, fRepower) + * + * @this {CPUPDP11} + * @param {Object|null} data + * @param {boolean} [fRepower] + * @return {boolean} true if successful, false if failure + */ +CPUPDP11.prototype.powerUp = function(data, fRepower) +{ + if (!fRepower) { + if (!data || !this.restore) { + this.reset(); + } else { + this.resetCycles(); + if (!this.restore(data)) return false; + this.resetChecksum(); + } + /* + * Give the Debugger a chance to do/print something once we've powered up + */ + if (DEBUGGER && this.dbg) { + this.dbg.init(); + } else { + /* + * The Computer (this.cmp) knows if there's a Control Panel (this.cmp.panel), and the Control Panel + * knows if there's a "print" control (this.cmp.panel.controlPrint), and if there IS a "print" control + * but no debugger, the machine is probably misconfigured (most likely, the page simply neglected to + * load the Debugger component). + * + * However, we don't actually need to check all that; it's always safe use println(), regardless whether + * a Control Panel with a "print" control is present or not. + */ + this.println("No debugger detected"); + } + } + /* + * The Computer component (which is responsible for all powerDown and powerUp notifications) + * is now responsible for managing a component's fPowered flag, not us. + * + * this.flags.fPowered = true; + */ + this.updateCPU(); + return true; +}; + +/** + * powerDown(fSave, fShutdown) + * + * @this {CPUPDP11} + * @param {boolean} [fSave] + * @param {boolean} [fShutdown] + * @return {Object|boolean} component state if fSave; otherwise, true if successful, false if failure + */ +CPUPDP11.prototype.powerDown = function(fSave, fShutdown) +{ + /* + * The Computer component (which is responsible for all powerDown and powerUp notifications) + * is now responsible for managing a component's fPowered flag, not us. + * + * this.flags.fPowered = false; + */ + return fSave? this.save() : true; +}; + +/** + * autoStart() + * + * @this {CPUPDP11} + * @return {boolean} true if started, false if not + */ +CPUPDP11.prototype.autoStart = function() +{ + /* + * Start running automatically on power-up, assuming there's no Debugger and no "Run" button + */ + if (this.flags.fAutoStart || (!DEBUGGER || !this.dbg) && this.bindings["run"] === undefined) { + /* + * Now we ALSO set fUpdateFocus when calling runCPU(), on the assumption that in the "auto-starting" context, + * a machine without focus is like a day without sunshine. + */ + this.runCPU(true); + return true; + } + return false; +}; + +/** + * isPowered() + * + * @this {CPUPDP11} + * @return {boolean} + */ +CPUPDP11.prototype.isPowered = function() +{ + if (!this.flags.fPowered) { + this.println(this.toString() + " not powered"); + return false; + } + return true; +}; + +/** + * isRunning() + * + * @this {CPUPDP11} + * @return {boolean} + */ +CPUPDP11.prototype.isRunning = function() +{ + return this.flags.fRunning; +}; + +/** + * getChecksum() + * + * This will be implemented by the CPUStatePDP11 component. + * + * @this {CPUPDP11} + * @return {number} a 32-bit summation of key elements of the current CPU state (used by the CPU checksum code) + */ +CPUPDP11.prototype.getChecksum = function() +{ + return 0; +}; + +/** + * resetChecksum() + * + * If checksum generation is enabled (fChecksum is true), this resets the running 32-bit checksum and the + * cycle counter that will trigger the next displayChecksum(); called by resetCycles(), which is called whenever + * the CPU is reset or restored. + * + * @this {CPUPDP11} + * @return {boolean} true if checksum generation enabled, false if not + */ +CPUPDP11.prototype.resetChecksum = function() +{ + if (this.nCyclesChecksumStart === undefined) this.nCyclesChecksumStart = 0; + if (this.nCyclesChecksumInterval === undefined) this.nCyclesChecksumInterval = -1; + if (this.nCyclesChecksumStop === undefined) this.nCyclesChecksumStop = -1; + this.flags.fChecksum = (this.nCyclesChecksumStart >= 0 && this.nCyclesChecksumInterval > 0); + if (this.flags.fChecksum) { + this.nChecksum = 0; + this.nCyclesChecksumNext = this.nCyclesChecksumStart - this.nTotalCycles; + /* + * this.nCyclesChecksumNext = this.nCyclesChecksumStart + this.nCyclesChecksumInterval - + * (this.nTotalCycles % this.nCyclesChecksumInterval); + */ + return true; + } + return false; +}; + +/** + * updateChecksum(nCycles) + * + * When checksum generation is enabled (fChecksum is true), runCPU() asks stepCPU() to execute a minimum + * number of cycles (1), effectively limiting execution to a single instruction, and then we're called with + * the exact number cycles that were actually executed. This should give us instruction-granular checksums + * at precise intervals that are 100% repeatable. + * + * @this {CPUPDP11} + * @param {number} nCycles + */ +CPUPDP11.prototype.updateChecksum = function(nCycles) +{ + if (this.flags.fChecksum) { + /* + * Get a 32-bit summation of the current CPU state and add it to our running 32-bit checksum + */ + var fDisplay = false; + this.nChecksum = (this.nChecksum + this.getChecksum())|0; + this.nCyclesChecksumNext -= nCycles; + if (this.nCyclesChecksumNext <= 0) { + this.nCyclesChecksumNext += this.nCyclesChecksumInterval; + fDisplay = true; + } + if (this.nCyclesChecksumStop >= 0) { + if (this.nCyclesChecksumStop <= this.getCycles()) { + this.nCyclesChecksumInterval = this.nCyclesChecksumStop = -1; + this.resetChecksum(); + this.stopCPU(); + fDisplay = true; + } + } + if (fDisplay) this.displayChecksum(); + } +}; + +/** + * displayChecksum() + * + * When checksum generation is enabled (fChecksum is true), this is called to provide a crude log of all + * checksums generated at the specified cycle intervals, as specified by the "csStart" and "csInterval" parmsCPU + * properties). + * + * @this {CPUPDP11} + */ +CPUPDP11.prototype.displayChecksum = function() +{ + this.println(this.getCycles() + " cycles: " + "checksum=" + str.toHex(this.nChecksum)); +}; + +/** + * displayValue(sLabel, nValue, cch) + * + * This is principally for displaying register values, but in reality, it can be used to display any + * numeric (hex) value bound to the given label. + * + * @this {CPUPDP11} + * @param {string} sLabel + * @param {number} nValue + * @param {number} cch + */ +CPUPDP11.prototype.displayValue = function(sLabel, nValue, cch) +{ + if (this.bindings[sLabel]) { + if (nValue === undefined) { + this.setError("Value for " + sLabel + " is invalid"); + this.stopCPU(); + } + var sVal; + if (!this.flags.fRunning || this.flags.fDisplayLiveRegs) { + sVal = str.toHex(nValue, cch); + } else { + sVal = "--------".substr(0, cch); + } + /* + * TODO: Determine if this test actually avoids any redrawing when a register hasn't changed, and/or if + * we should maintain our own (numeric) cache of displayed register values (to avoid creating these temporary + * string values that will have to garbage-collected), and/or if this is actually slower, and/or if I'm being + * too obsessive. + */ + if (this.bindings[sLabel].textContent != sVal) this.bindings[sLabel].textContent = sVal; + } +}; + +/** + * setBinding(sHTMLType, sBinding, control, sValue) + * + * @this {CPUPDP11} + * @param {string|null} sHTMLType is the type of the HTML control (eg, "button", "list", "text", "submit", "textarea", "canvas") + * @param {string} sBinding is the value of the 'binding' parameter stored in the HTML control's "data-value" attribute (eg, "run") + * @param {Object} control is the HTML control DOM object (eg, HTMLButtonElement) + * @param {string} [sValue] optional data value + * @return {boolean} true if binding was successful, false if unrecognized binding request + */ +CPUPDP11.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) +{ + var cpu = this; + var fBound = false; + + switch (sBinding) { + case "power": + case "reset": + /* + * The "power" and "reset" buttons are functions of the entire computer, not just the CPU, + * but it's not always convenient to stick a power button in the Computer component definition, + * so we record those bindings here and pass them on to the Computer component in initBus(). + */ + this.bindings[sBinding] = control; + fBound = true; + break; + + case "run": + this.bindings[sBinding] = control; + control.onclick = function onClickRun() { + if (!cpu.cmp || !cpu.cmp.checkPower()) return; + /* + * We no longer pass true to these runCPU()/stopCPU() calls, on the theory that if the "run" + * control is visible, then the computer is probably sufficiently visible as well; the problem + * with setting fUpdateFocus to true is that it can jerk the web page around in annoying ways. + */ + if (!cpu.flags.fRunning) + cpu.runCPU(); + else + cpu.stopCPU(); + }; + fBound = true; + break; + + case "speed": + this.bindings[sBinding] = control; + fBound = true; + break; + + case "setSpeed": + this.bindings[sBinding] = control; + control.onclick = function onClickSetSpeed() { + cpu.setSpeed(cpu.nCyclesMultiplier << 1, true); + }; + control.textContent = this.getSpeedTarget(); + fBound = true; + break; + + default: + break; + } + return fBound; +}; + +/** + * setBurstCycles(nCycles) + * + * This function is used by the ChipSet component whenever a very low timer count is set, + * in anticipation of the timer requiring an update sooner than the normal nCyclesPerYield + * period in runCPU() would normally provide. + * + * NOTE: In this context, "timer" refers to a timer chip (eg, an Intel 8253) being emulated by + * by the ChipSet component, not the timers managed by the CPU (eg, addTimer(), setTimer(), etc). + * + * @this {CPUPDP11} + * @param {number} nCycles is the target number of cycles to drop the current burst to + * @return {boolean} + */ +CPUPDP11.prototype.setBurstCycles = function(nCycles) +{ + if (this.flags.fRunning) { + var nDelta = this.nStepCycles - nCycles; + /* + * NOTE: If nDelta is negative, we will actually be increasing nStepCycles and nBurstCycles. + * Which is OK, but if we're also taking snapshots of the cycle counts, to make sure that instruction + * costs are being properly assessed, then we need to update nSnapCycles as well. + * + * TODO: If the delta is negative, we could simply ignore the request, but we must first carefully + * consider the impact on the ChipSet timers, if any. + */ + // if (DEBUG) this.nSnapCycles -= nDelta; + this.nStepCycles -= nDelta; + this.nBurstCycles -= nDelta; + return true; + } + return false; +}; + +/** + * addCycles(nCycles, fEndStep) + * + * @this {CPUPDP11} + * @param {number} nCycles + * @param {boolean} [fEndStep] + */ +CPUPDP11.prototype.addCycles = function(nCycles, fEndStep) +{ + this.nTotalCycles += nCycles; + if (fEndStep) { + this.nBurstCycles = this.nStepCycles = 0; + } +}; + +/** + * calcCycles(fRecalc) + * + * Calculate the number of cycles to process for each "burst" of CPU activity. The size of a burst + * is driven by YIELDS_PER_SECOND (eg, 30). + * + * At the end of each burst, we subtract burst cycles from the yield cycle "threshold" counter. + * Whenever the "next yield" cycle counter goes to (or below) zero, we compare elapsed time to the time + * we expected the virtual hardware to take (eg, 1000ms/50 or 20ms), and if we still have time remaining, + * we sleep the remaining time (or 0ms if there's no remaining time), and then restart runCPU(). + * + * @this {CPUPDP11} + * @param {boolean} [fRecalc] is true if the caller wants to recalculate thresholds based on the most recent + * speed calculation (see calcSpeed). + */ +CPUPDP11.prototype.calcCycles = function(fRecalc) +{ + /* + * Calculate "per" yield values. + */ + var vMultiplier = 1; + if (fRecalc) { + if (this.nCyclesMultiplier > 1 && this.mhz) { + vMultiplier = (this.mhz / this.mhzDefault); + } + } + + this.msPerYield = Math.round(1000 / CPUPDP11.YIELDS_PER_SECOND); + this.nCyclesPerYield = Math.floor(this.nCyclesPerSecond / CPUPDP11.YIELDS_PER_SECOND * vMultiplier); + + /* + * And initialize "next" yield values to the "per" values. + */ + if (!fRecalc) { + this.nCyclesNextYield = this.nCyclesPerYield; + } + this.nCyclesRecalc = 0; +}; + +/** + * getCycles(fScaled) + * + * getCycles() returns the number of cycles executed so far. Note that we can be called after + * runCPU() OR during runCPU(), perhaps from a handler triggered during the current run's stepCPU(), + * so nRunCycles must always be adjusted by number of cycles stepCPU() was asked to run (nBurstCycles), + * less the number of cycles it has yet to run (nStepCycles). + * + * nRunCycles is zeroed whenever the CPU is halted or the CPU speed is changed, which is why we also + * have nTotalCycles, which accumulates all nRunCycles before we zero it. However, nRunCycles and + * nTotalCycles eventually get reset by calcSpeed(), to avoid overflow, so components that rely on + * getCycles() returning steadily increasing values should also be prepared for a reset at any time. + * + * @this {CPUPDP11} + * @param {boolean} [fScaled] is true if the caller wants a cycle count relative to a multiplier of 1 + * @return {number} + */ +CPUPDP11.prototype.getCycles = function(fScaled) +{ + var nCycles = this.nTotalCycles + this.nRunCycles + this.nBurstCycles - this.nStepCycles; + if (fScaled && this.nCyclesMultiplier > 1 && this.mhz > this.mhzDefault) { + /* + * We could scale the current cycle count by the current effective speed (this.mhz); eg: + * + * nCycles = Math.round(nCycles / (this.mhz / this.mhzDefault)); + * + * but that speed will fluctuate somewhat: large fluctuations at first, but increasingly smaller + * fluctuations after each burst of instructions that runCPU() executes. + * + * Alternatively, we can scale the cycle count by the multiplier, which is good in that the + * multiplier doesn't vary once the user changes it, but a potential downside is that the + * multiplier might be set too high, resulting in a target speed that's higher than the effective + * speed is able to reach. + * + * Also, if multipliers were always limited to a power-of-two, then this could be calculated + * with a simple shift. However, only the "setSpeed" UI binding limits it that way; the Debugger + * interface allows any value, as does the CPU "multiplier" parmsCPU property (from the machine's + * XML file). + */ + nCycles = Math.round(nCycles / this.nCyclesMultiplier); + } + return nCycles; +}; + +/** + * getCyclesPerSecond() + * + * This returns the CPU's "base" speed (ie, the original cycles per second defined for the machine) + * + * @this {CPUPDP11} + * @return {number} + */ +CPUPDP11.prototype.getCyclesPerSecond = function() +{ + return this.nCyclesPerSecond; +}; + +/** + * resetCycles() + * + * Resets speed and cycle information as part of any reset() or restore(); this typically occurs during powerUp(). + * It's important that this be called BEFORE the actual restore() call, because restore() may want to call setSpeed(), + * which in turn assumes that all the cycle counts have been initialized to sensible values. + * + * @this {CPUPDP11} + */ +CPUPDP11.prototype.resetCycles = function() +{ + this.mhz = 0; + this.nYieldsSinceStatusUpdate = 0; + this.nTotalCycles = this.nRunCycles = this.nBurstCycles = this.nStepCycles = 0; + this.resetChecksum(); + this.setSpeed(1); +}; + +/** + * getSpeed() + * + * @this {CPUPDP11} + * @return {number} the current speed multiplier + */ +CPUPDP11.prototype.getSpeed = function() +{ + return this.nCyclesMultiplier; +}; + +/** + * getSpeedCurrent() + * + * @this {CPUPDP11} + * @return {string} the current speed, in mhz, as a string formatted to two decimal places + */ +CPUPDP11.prototype.getSpeedCurrent = function() +{ + /* + * TODO: Has toFixed() been "fixed" in all browsers (eg, IE) to return a rounded value now? + */ + return ((this.flags.fRunning && this.mhz)? (this.mhz.toFixed(2) + "Mhz") : "Stopped"); +}; + +/** + * getSpeedTarget() + * + * @this {CPUPDP11} + * @return {string} the target speed, in mhz, as a string formatted to two decimal places + */ +CPUPDP11.prototype.getSpeedTarget = function() +{ + /* + * TODO: Has toFixed() been "fixed" in all browsers (eg, IE) to return a rounded value now? + */ + return this.mhzTarget.toFixed(2) + "Mhz"; +}; + +/** + * setSpeed(nMultiplier, fUpdateFocus) + * + * NOTE: This used to return the target speed, in mhz, but no callers appear to care at this point. + * + * @desc Whenever the speed is changed, the running cycle count and corresponding start time must be reset, + * so that the next effective speed calculation obtains sensible results. In fact, when runCPU() initially calls + * setSpeed() with no parameters, that's all this function does (it doesn't change the current speed setting). + * + * @this {CPUPDP11} + * @param {number} [nMultiplier] is the new proposed multiplier (reverts to 1 if the target was too high) + * @param {boolean} [fUpdateFocus] is true to update Computer focus + * @return {boolean} true if successful, false if not + */ +CPUPDP11.prototype.setSpeed = function(nMultiplier, fUpdateFocus) +{ + var fSuccess = false; + if (nMultiplier !== undefined) { + /* + * If we haven't reached 80% (0.8) of the current target speed, revert to a multiplier of one (1). + */ + if (this.mhz / this.mhzTarget < 0.8) { + nMultiplier = 1; + } else { + fSuccess = true; + } + this.nCyclesMultiplier = nMultiplier; + var mhz = this.mhzDefault * this.nCyclesMultiplier; + if (this.mhzTarget != mhz) { + this.mhzTarget = mhz; + var sSpeed = this.getSpeedTarget(); + var controlSpeed = this.bindings["setSpeed"]; + if (controlSpeed) controlSpeed.textContent = sSpeed; + this.println("target speed: " + sSpeed); + } + if (fUpdateFocus && this.cmp) this.cmp.updateFocus(); + } + this.addCycles(this.nRunCycles); + this.nRunCycles = 0; + this.msStartRun = usr.getTime(); + this.msEndThisRun = 0; + this.calcCycles(); + return fSuccess; +}; + +/** + * calcSpeed(nCycles, msElapsed) + * + * @this {CPUPDP11} + * @param {number} nCycles + * @param {number} msElapsed + */ +CPUPDP11.prototype.calcSpeed = function(nCycles, msElapsed) +{ + if (msElapsed) { + this.mhz = Math.round(nCycles / (msElapsed * 10)) / 100; + if (msElapsed >= 86400000) { + this.nTotalCycles = 0; + this.setSpeed(); // reset all counters once per day so that we never have to worry about overflow + } + } +}; + +/** + * calcStartTime() + * + * @this {CPUPDP11} + */ +CPUPDP11.prototype.calcStartTime = function() +{ + if (this.nCyclesRecalc >= this.nCyclesPerSecond) { + this.calcCycles(true); + } + this.nCyclesThisRun = 0; + this.msStartThisRun = usr.getTime(); + + /* + * Try to detect situations where the browser may have throttled us, such as when the user switches + * to a different tab; in those situations, Chrome and Safari may restrict setTimeout() callbacks + * to roughly one per second. + * + * Another scenario: the user resizes the browser window. setTimeout() callbacks are not throttled, + * but there can still be enough of a lag between the callbacks that CPU speed will be noticeably + * erratic if we don't compensate for it here. + * + * We can detect throttling/lagging by verifying that msEndThisRun (which was set at the end of the + * previous run and includes any requested sleep time) is comparable to the current msStartThisRun; + * if the delta is significant, we compensate by bumping msStartRun forward by that delta. + * + * This shouldn't be triggered when the Debugger halts the CPU, because setSpeed() -- which is called + * whenever the CPU starts running again -- zeroes msEndThisRun. + * + * This also won't do anything about other internal delays; for example, Debugger message() calls. + * By the time the message() function has called yieldCPU(), the cost of the message has already been + * incurred, so it will be end up being charged against the instruction(s) that triggered it. + * + * TODO: Consider calling yieldCPU() sooner from message(), so that it can arrange for the msEndThisRun + * "snapshot" to occur sooner; it's unclear, however, whether that will really improve the CPU's ability + * to hit its target speed, since you would expect any instruction that displays a message to be an + * EXTREMELY slow instruction. + */ + if (this.msEndThisRun) { + var msDelta = this.msStartThisRun - this.msEndThisRun; + if (msDelta > this.msPerYield) { + if (MAXDEBUG) this.println("large time delay: " + msDelta + "ms"); + this.msStartRun += msDelta; + /* + * Bumping msStartRun forward should NEVER cause it to exceed msStartThisRun; however, just + * in case, I make absolutely sure it cannot happen, since doing so could result in negative + * speed calculations. + */ + this.assert(this.msStartRun <= this.msStartThisRun); + if (this.msStartRun > this.msStartThisRun) { + this.msStartRun = this.msStartThisRun; + } + } + } +}; + +/** + * calcRemainingTime() + * + * @this {CPUPDP11} + * @return {number} + */ +CPUPDP11.prototype.calcRemainingTime = function() +{ + this.msEndThisRun = usr.getTime(); + + var msYield = this.msPerYield; + if (this.nCyclesThisRun) { + /* + * Normally, we would assume we executed a full quota of work over msPerYield, but since the CPU + * now has the option of calling yieldCPU(), that might not be true. If nCyclesThisRun is correct, then + * the ratio of nCyclesThisRun/nCyclesPerYield should represent the percentage of work we performed, + * and so applying that percentage to msPerYield should give us a better estimate of work vs. time. + */ + msYield = Math.round(msYield * this.nCyclesThisRun / this.nCyclesPerYield); + } + + var msElapsedThisRun = this.msEndThisRun - this.msStartThisRun; + var msRemainsThisRun = msYield - msElapsedThisRun; + + /* + * We could pass only "this run" results to calcSpeed(): + * + * nCycles = this.nCyclesThisRun; + * msElapsed = msElapsedThisRun; + * + * but it seems preferable to use longer time periods and hopefully get a more accurate speed. + * + * Also, if msRemainsThisRun >= 0 && this.nCyclesMultiplier == 1, we could pass these results instead: + * + * nCycles = this.nCyclesThisRun; + * msElapsed = this.msPerYield; + * + * to insure that we display a smooth, constant N Mhz. But for now, I prefer seeing any fluctuations. + */ + var nCycles = this.nRunCycles; + var msElapsed = this.msEndThisRun - this.msStartRun; + + if (MAXDEBUG && msRemainsThisRun < 0 && this.nCyclesMultiplier > 1) { + this.println("warning: updates @" + msElapsedThisRun + "ms (prefer " + Math.round(msYield) + "ms)"); + } + + this.calcSpeed(nCycles, msElapsed); + + if (msRemainsThisRun < 0 || this.mhz < this.mhzTarget) { + /* + * Try "throwing out" the effects of large anomalies, by moving the overall run start time up; + * ordinarily, this should only happen when the someone is using an external Debugger or some other + * tool or feature that is interfering with our overall execution. + */ + if (msRemainsThisRun < -1000) { + this.msStartRun -= msRemainsThisRun; + } + /* + * If the last burst took MORE time than we allotted (ie, it's taking more than 1 second to simulate + * nCyclesPerSecond), all we can do is yield for as little time as possible (ie, 0ms) and hope that the + * simulation is at least usable. + */ + msRemainsThisRun = 0; + } + + /* + * Last but not least, update nCyclesRecalc, so that when runCPU() starts up again and calls calcStartTime(), + * it'll be ready to decide if calcCycles() should be called again. + */ + this.nCyclesRecalc += this.nCyclesThisRun; + + if (DEBUG && this.messageEnabled(MessagesPDP11.LOG) && msRemainsThisRun) { + this.log("calcRemainingTime: " + msRemainsThisRun + "ms to sleep after " + this.msEndThisRun + "ms"); + } + + this.msEndThisRun += msRemainsThisRun; + return msRemainsThisRun; +}; + +/** + * addTimer(callBack) + * + * Components that want to have timers that periodically fire after some number of milliseconds call + * addTimer() to create the timer, and then setTimer() every time they want to arm it. There is currently + * no removeTimer() because these are generally used for the entire lifetime of a component. + * + * Internally, each timer entry is a preallocated Array with two entries: a cycle countdown in element [0] + * and a callback function in element [1]. A timer is initially dormant; dormant timers have a countdown + * value of -1 (although any negative number will suffice) and active timers have a non-negative value. + * + * Why not use JavaScript's setTimeout() instead? Good question. For a good answer, see setTimer() below. + * + * @this {CPUPDP11} + * @param {function()} callBack + * @return {number} timer index + */ +CPUPDP11.prototype.addTimer = function(callBack) +{ + var iTimer = this.aTimers.length; + this.aTimers.push([-1, callBack]); + return iTimer; +}; + +/** + * setTimer(iTimer, ms) + * + * Using the timer index from a previous addTimer() call, this sets that timer to fire after the + * specified number of milliseconds. + * + * This is preferred over JavaScript's setTimeout(), because all our timers are effectively paused when + * the CPU is paused (eg, when the Debugger halts execution). Moreover, setTimeout() handlers only run after + * runCPU() yields, which is far too granular for some components (eg, when the SerialPort tries to simulate + * interrupts at 9600 baud). + * + * Ideally, the only function that would use setTimeout() is runCPU(), while the rest of the components + * use setTimer(); however, due to legacy code (ie, code that predates these functions) and/or laziness, + * that's currently not the case. TODO: Fix. + * + * @this {CPUPDP11} + * @param {number} iTimer + * @param {number} ms (converted into a cycle countdown internally) + * @return {number} (number of cycles used to arm timer, or -1 if error) + */ +CPUPDP11.prototype.setTimer = function(iTimer, ms) +{ + var nCycles = -1; + if (iTimer >= 0 && iTimer < this.aTimers.length) { + nCycles = this.getMSCycles(ms); + this.aTimers[iTimer][0] = nCycles; + } + return nCycles; +}; + +/** + * getMSCycles(ms) + * + * @this {CPUPDP11} + * @param {number} ms + * @return {number} number of corresponding cycles + */ +CPUPDP11.prototype.getMSCycles = function(ms) +{ + return (this.nCyclesPerSecond * this.nCyclesMultiplier) / 1000 * ms; +}; + +/** + * getBurstCycles(nCycles) + * + * Used by runCPU() to get min(nCycles,[timer cycle counts]) + * + * @this {CPUPDP11} + * @param {number} nCycles (number of cycles about to execute) + * @return {number} (either nCycles or less if a timer needs to fire) + */ +CPUPDP11.prototype.getBurstCycles = function(nCycles) +{ + for (var i = this.aTimers.length - 1; i >= 0; i--) { + var timer = this.aTimers[i]; + if (timer[0] < 0) continue; + if (nCycles > timer[0]) { + nCycles = timer[0]; + } + } + return nCycles; +}; + +/** + * updateTimers(nCycles) + * + * Used by runCPU() to reduce all active timer countdown values by the number of cycles just executed; + * this is the function that actually "fires" any timer(s) whose countdown has reached (or dropped below) + * zero, invoking their callback function. + * + * @this {CPUPDP11} + * @param {number} nCycles (number of cycles actually executed) + */ +CPUPDP11.prototype.updateTimers = function(nCycles) +{ + for (var i = this.aTimers.length - 1; i >= 0; i--) { + var timer = this.aTimers[i]; + if (timer[0] < 0) continue; + timer[0] -= nCycles; + if (timer[0] <= 0) { + timer[0] = -1; // zero is technically an "active" value, so ensure the timer is dormant now + timer[1](); // safe to invoke the callback function now + } + } +}; + +/** + * runCPU(fUpdateFocus) + * + * @this {CPUPDP11} + * @param {boolean} [fUpdateFocus] is true to update Computer focus + */ +CPUPDP11.prototype.runCPU = function(fUpdateFocus) +{ + if (!this.setBusy(true)) { + this.updateCPU(); + if (this.cmp) this.cmp.stop(usr.getTime(), this.getCycles()); + return; + } + + this.startCPU(fUpdateFocus); + + /* + * calcStartTime() initializes the cycle counter and timestamp for this runCPU() invocation, and optionally + * recalculates the the maximum number of cycles for each burst if the nCyclesRecalc threshold has been reached. + */ + this.calcStartTime(); + + try { + do { + /* + * nCyclesPerBurst is how many cycles we WANT to run on each iteration of stepCPU(), and may + * be as HIGH as nCyclesPerYield, but it may be significantly less. getBurstCycles() will adjust + * nCyclesPerBurst downward if any CPU timers need to fire during the next burst. + */ + var nCyclesPerBurst = this.getBurstCycles(this.flags.fChecksum? 1 : this.nCyclesPerYield); + + /* + * Execute the burst. + */ + this.stepCPU(nCyclesPerBurst); + + /* + * nCycles is how many cycles stepCPU() actually ran (nBurstCycles less any remaining nStepCycles). + */ + var nCycles = this.nBurstCycles - this.nStepCycles; + + /* + * Update any/all timers, firing those whose cycle countdowns have reached (or dropped below) zero. + */ + this.updateTimers(nCycles); + + /* + * Add nCycles to nCyclesThisRun, as well as nRunCycles (the cycle count since the CPU first started). + */ + this.nCyclesThisRun += nCycles; + this.nRunCycles += nCycles; + this.addCycles(0, true); + this.updateChecksum(nCycles); + + this.nCyclesNextYield -= nCycles; + if (this.nCyclesNextYield <= 0) { + this.nCyclesNextYield += this.nCyclesPerYield; + if (++this.nYieldsSinceStatusUpdate >= CPUPDP11.YIELDS_PER_STATUS) { + if (this.cmp) this.cmp.updateStatus(); + this.nYieldsSinceStatusUpdate = 0; + } + break; + } + } while (this.flags.fRunning); + } + catch (e) { + this.stopCPU(); + this.updateCPU(); + if (this.cmp) this.cmp.stop(usr.getTime(), this.getCycles()); + this.setBusy(false); + this.setError(e.stack || e.message); + return; + } + + setTimeout(this.onRunTimeout, this.calcRemainingTime()); +}; + +/** + * startCPU(fUpdateFocus) + * + * WARNING: Other components must use runCPU() to get the CPU running; this is a runCPU() helper function only. + * + * @param {boolean} [fUpdateFocus] + */ +CPUPDP11.prototype.startCPU = function(fUpdateFocus) +{ + if (!this.flags.fRunning) { + /* + * setSpeed() without a speed parameter leaves the selected speed in place, but also resets the + * cycle counter and timestamp for the current series of runCPU() calls, calculates the maximum number + * of cycles for each burst based on the last known effective CPU speed, and resets the nCyclesRecalc + * threshold counter. + */ + this.setSpeed(); + if (this.cmp) this.cmp.start(this.msStartRun, this.getCycles()); + this.flags.fRunning = true; + this.flags.fStarting = true; + if (this.chipset) this.chipset.start(); + var controlRun = this.bindings["run"]; + if (controlRun) controlRun.textContent = "Halt"; + if (this.cmp) { + this.cmp.updateStatus(true); + if (fUpdateFocus) this.cmp.updateFocus(true); + } + } +}; + +/** + * stepCPU(nMinCycles) + * + * This will be implemented by the CPUStatePDP11 component. + * + * @this {CPUPDP11} + * @param {number} nMinCycles (0 implies a single-step, and therefore breakpoints should be ignored) + * @return {number} of cycles executed; 0 indicates that the last instruction was not executed + */ +CPUPDP11.prototype.stepCPU = function(nMinCycles) +{ + return 0; +}; + +/** + * stopCPU(fComplete) + * + * For use by any component that wants to stop the CPU. + * + * This similar to yieldCPU(), but it doesn't need to zero nCyclesNextYield to break out of runCPU(); + * it simply needs to clear fRunning (well, "simply" may be oversimplifying a bit....) + * + * @this {CPUPDP11} + * @param {boolean} [fComplete] + */ +CPUPDP11.prototype.stopCPU = function(fComplete) +{ + this.isBusy(true); + this.nBurstCycles -= this.nStepCycles; + this.nStepCycles = 0; + this.addCycles(this.nRunCycles); + this.nRunCycles = 0; + if (this.flags.fRunning) { + this.flags.fRunning = false; + if (this.chipset) this.chipset.stop(); + var controlRun = this.bindings["run"]; + if (controlRun) controlRun.textContent = "Run"; + } + this.flags.fComplete = fComplete; +}; + +/** + * updateCPU(fForce) + * + * This used to be performed at the end of every stepCPU(), but runCPU() -- which relies upon + * stepCPU() -- needed to have more control over when these updates are performed. However, for + * other callers of stepCPU(), such as the Debugger, the combination of stepCPU() + updateCPU() + * provides the old behavior. + * + * @this {CPUPDP11} + * @param {boolean} [fForce] (true to force a video update; used by the Debugger) + */ +CPUPDP11.prototype.updateCPU = function(fForce) +{ + if (this.cmp) { + this.cmp.updateStatus(fForce); + } +}; + +/** + * yieldCPU() + * + * Similar to stopCPU() with regard to how it resets various cycle countdown values, but the CPU + * remains in a "running" state. + * + * @this {CPUPDP11} + */ +CPUPDP11.prototype.yieldCPU = function() +{ + this.nCyclesNextYield = 0; // this will break us out of runCPU(), once we break out of stepCPU() + this.nBurstCycles -= this.nStepCycles; + this.nStepCycles = 0; // this will break us out of stepCPU() + // if (DEBUG) this.nSnapCycles = this.nBurstCycles; + /* + * The Debugger calls yieldCPU() after every message() to ensure browser responsiveness, but it looks + * odd for those messages to show CPU state changes but for the CPU's own status display to not (ditto + * for the Video display), so I've added this call to try to keep things looking synchronized. + */ + this.updateCPU(); +}; + +if (NODE) module.exports = CPUPDP11; diff --git a/modules/pdp11/lib/cpudef.js b/modules/pdp11/lib/cpudef.js new file mode 100644 index 000000000..1a2a0939f --- /dev/null +++ b/modules/pdp11/lib/cpudef.js @@ -0,0 +1,115 @@ +/** + * @fileoverview Defines PDP11 CPU constants. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +var CPUDefPDP11 = { + /* + * CPU model numbers (supported) + */ + MODEL_1145: 1145, + MODEL_1170: 1170, + + /* + * This constant is used to mark points in the code where the physical address being returned + * is invalid and should not be used. + * + * In a 32-bit CPU, -1 (ie, 0xffffffff) could actually be a valid address, so consider changing + * ADDR_INVALID to NaN or null (which is also why all ADDR_INVALID tests should use strict equality + * operators). + * + * The main reason I'm NOT using NaN or null now is my concern that, by mixing non-numbers + * (specifically, values outside the range of signed 32-bit integers), performance may suffer. + * + * WARNING: Like many of the properties defined here, ADDR_INVALID is a common constant, which the + * Closure Compiler will happily inline (with or without @const annotations; in fact, I've yet to + * see a @const annotation EVER improve automatic inlining). However, if you don't make ABSOLUTELY + * certain that this file is included BEFORE the first reference to any of these properties, that + * automatic inlining will no longer occur. + */ + ADDR_INVALID: -1, + + /* + * Processor Status flag definitions (stored in regPS) + */ + PS: { + CF: 0x0001, // bit 0: Carry Flag + BIT1: 0x0002, // bit 1: reserved, always set + PF: 0x0004, // bit 2: Parity Flag + BIT3: 0x0008, // bit 3: reserved, always clear + AF: 0x0010, // bit 4: Auxiliary Carry Flag + BIT5: 0x0020, // bit 5: reserved, always clear + ZF: 0x0040, // bit 6: Zero Flag + SF: 0x0080, // bit 7: Sign Flag + ALL: 0x00D5, // all "arithmetic" flags (CF, PF, AF, ZF, SF) + MASK: 0x00FF, // + IF: 0x0200 // bit 9: Interrupt Flag (set if interrupts enabled; Intel calls this the INTE bit) + }, + /* + * Interrupt-related flags (stored in intFlags) + */ + INTFLAG: { + NONE: 0x0000, + INTR: 0x00ff, // mask for 8 bits, representing interrupt levels 0-7 + HALT: 0x0100 // halt requested; see opHLT() + }, + /* + * Opcode definitions + */ + OPCODE: { + HLT: 0x76, // Halt + ACI: 0xCE, // Add with Carry Immediate (affects PS.ALL) + CALL: 0xCD, // Call + RST0: 0xC7 + // to be continued.... + } +}; + +/* + * These are the internal PS bits (outside of PS.MASK) that getPS() and setPS() can get and set, + * but which cannot be seen with any of the documented instructions. + */ +CPUDefPDP11.PS.INTERNAL = (CPUDefPDP11.PS.IF); + +/* + * PS "arithmetic" flags are NOT stored in regPS; they are maintained across separate result registers, + * hence the RESULT designation. + */ +CPUDefPDP11.PS.RESULT = (CPUDefPDP11.PS.CF | CPUDefPDP11.PS.PF | CPUDefPDP11.PS.AF | CPUDefPDP11.PS.ZF | CPUDefPDP11.PS.SF); + +/* + * These are the "always set" PS bits for the PDP11. + */ +CPUDefPDP11.PS.SET = (CPUDefPDP11.PS.BIT1); + +if (NODE) module.exports = CPUDefPDP11; diff --git a/modules/pdp11/lib/cpuops.js b/modules/pdp11/lib/cpuops.js new file mode 100644 index 000000000..886e74a29 --- /dev/null +++ b/modules/pdp11/lib/cpuops.js @@ -0,0 +1,124 @@ +/** + * @fileoverview Implements PDP11 opcode handlers. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +if (NODE) { + var str = require("../../shared/lib/strlib"); + var CPUDefPDP11 = require("./CPUDef"); + var MessagesPDP11 = require("./messages"); +} + +/** + * op=0x00 (NOP) + * + * @this {CPUStatePDP11} + */ +CPUDefPDP11.opNOP = function() +{ + this.nStepCycles -= 4; +}; + +/* + * This 256-entry array of opcode functions is at the heart of the CPU engine: stepCPU(n). + * + * It might be worth trying a switch() statement instead, to see how the performance compares, + * but I suspect that would vary quite a bit across JavaScript engines; for now, I'm putting my + * money on array lookup. + */ +CPUDefPDP11.aOpsPDP1170 = [ + /* 0x00-0x03 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x04-0x07 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x08-0x0B */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x0C-0x0F */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x10-0x13 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x14-0x17 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x18-0x1B */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x1C-0x1F */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x20-0x23 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x24-0x27 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x28-0x2B */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x2C-0x2F */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x30-0x33 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x34-0x37 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x38-0x3B */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x3C-0x3F */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x40-0x43 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x44-0x47 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x48-0x4B */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x4C-0x4F */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x50-0x53 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x54-0x57 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x58-0x5B */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x5C-0x5F */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x60-0x63 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x64-0x67 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x68-0x6B */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x6C-0x6F */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x70-0x73 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x74-0x77 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x78-0x7B */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x7C-0x7F */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x80-0x83 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x84-0x87 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x88-0x8B */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x8C-0x8F */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x90-0x93 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x94-0x97 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x98-0x9B */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0x9C-0x9F */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xA0-0xA3 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xA4-0xA7 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xA8-0xAB */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xAC-0xAF */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xB0-0xB3 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xB4-0xB7 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xB8-0xBB */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xBC-0xBF */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xC0-0xC3 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xC4-0xC7 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xC8-0xCB */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xCC-0xCF */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xD0-0xD3 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xD4-0xD7 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xD8-0xDB */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xDC-0xDF */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xE0-0xE3 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xE4-0xE7 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xE8-0xEB */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xEC-0xEF */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xF0-0xF3 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xF4-0xF7 */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xF8-0xFB */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, + /* 0xFC-0xFF */ CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP, CPUDefPDP11.opNOP +]; diff --git a/modules/pdp11/lib/cpustate.js b/modules/pdp11/lib/cpustate.js new file mode 100644 index 000000000..745e7bb8d --- /dev/null +++ b/modules/pdp11/lib/cpustate.js @@ -0,0 +1,1053 @@ +/** + * @fileoverview Implements the PDP11 CPU component. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +if (NODE) { + var str = require("../../shared/lib/strlib"); + var web = require("../../shared/lib/weblib"); + var Component = require("../../shared/lib/component"); + var State = require("../../shared/lib/state"); + var PDP11 = require("./defines"); + var CPUDefPDP11 = require("./cpudef"); + var CPUPDP11 = require("./cpu"); + var MessagesPDP11 = require("./messages"); + var MemoryPDP11 = require("./memory"); +} + +/** + * CPUStatePDP11(parmsCPU) + * + * The CPUStatePDP11 class uses the following (parmsCPU) properties: + * + * model: a number (eg, 1170) that should match one of the CPUDefPDP11.MODEL_* values + * + * This extends the CPU class and passes any remaining parmsCPU properties to the CPU class + * constructor, along with a default speed (cycles per second) based on the specified (or default) + * CPU model number. + * + * @constructor + * @extends CPUPDP11 + * @param {Object} parmsCPU + */ +function CPUStatePDP11(parmsCPU) +{ + this.model = +parmsCPU['model'] || CPUDefPDP11.MODEL_1170; + + var nCyclesDefault = 0; + switch(this.model) { + case CPUDefPDP11.MODEL_1170: + default: + nCyclesDefault = 1000000; + break; + } + + CPUPDP11.call(this, parmsCPU, nCyclesDefault); + + /* + * Initialize processor operation to match the requested model + */ + this.initProcessor(); + + /* + * A variety of stepCPU() state variables that don't strictly need to be initialized before the first + * stepCPU() call, but it's good form to do so. + */ + this.resetCycles(); + this.flags.fComplete = this.flags.fDebugCheck = false; + + /* + * If there are no live registers to display, then updateStatus() can skip a bit.... + */ + this.cLiveRegs = 0; + + /* + * Array of halt handlers, if any (see addHaltCheck) + */ + this.afnHalt = []; + this.addrReset = 0x0000; + + /* + * This initial resetRegs() call is important to create all the registers, so that if/when we call restore(), + * it will have something to fill in. + */ + this.resetRegs(); +} + +Component.subclass(CPUStatePDP11, CPUPDP11); + +/** + * addHaltCheck(fn) + * + * Records a function that will be called during HLT opcode processing. + * + * @this {CPUStatePDP11} + * @param {function(number)} fn + */ +CPUStatePDP11.prototype.addHaltCheck = function(fn) +{ + this.afnHalt.push(fn); +}; + +/** + * initProcessor() + * + * Interestingly, if I dynamically generate aOps as an array of functions bound to "this", using the bind() + * method, overall performance is worse. You would think that eliminating the need to use the call() method + * on every opcode function invocation would be helpful, but it's not. I'm not sure exactly why yet; perhaps + * a Closure Compiler optimization is defeated when generating the function array at run-time instead of at + * compile-time. + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.initProcessor = function() +{ + this.aOps = CPUDefPDP11.aOpsPDP1170; +}; + +/** + * reset() + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.reset = function() +{ + if (this.flags.fRunning) this.stopCPU(); + this.resetRegs(); + this.resetCycles(); + this.clearError(); // clear any fatal error/exception that setError() may have flagged + this.parent.reset.call(this); +}; + +/** + * resetRegs() + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.resetRegs = function() +{ + this.regA = 0; + this.regB = 0; + this.regC = 0; + this.regD = 0; + this.regE = 0; + this.regH = 0; + this.regL = 0; + this.setSP(0); + this.setPC(this.addrReset); + + /* + * This resets the Processor Status flags (regPS), along with all the internal "result registers". + */ + this.setPS(0); + + /* + * intFlags contains some internal states we use to indicate whether a hardware interrupt (INTFLAG.INTR) or + * Trap software interrupt (INTR.TRAP) has been requested, as well as when we're in a "HLT" state (INTFLAG.HALT) + * that requires us to wait for a hardware interrupt (INTFLAG.INTR) before continuing execution. + */ + this.intFlags = CPUDefPDP11.INTFLAG.NONE; +}; + +/** + * setReset(addr) + * + * @this {CPUStatePDP11} + * @param {number} addr + */ +CPUStatePDP11.prototype.setReset = function(addr) +{ + this.addrReset = addr; + this.setPC(addr); +}; + +/** + * getChecksum() + * + * @this {CPUStatePDP11} + * @return {number} a 32-bit summation of key elements of the current CPU state (used by the CPU checksum code) + */ +CPUStatePDP11.prototype.getChecksum = function() +{ + var sum = (this.regA + this.regB + this.regC + this.regD + this.regE + this.regH + this.regL)|0; + sum = (sum + this.getSP() + this.getPC() + this.getPS())|0; + return sum; +}; + +/** + * save() + * + * This implements save support for the CPUStatePDP11 component. + * + * @this {CPUStatePDP11} + * @return {Object|null} + */ +CPUStatePDP11.prototype.save = function() +{ + var state = new State(this); + state.set(0, [this.regA, this.regB, this.regC, this.regD, this.regE, this.regH, this.regL, this.getSP(), this.getPC(), this.getPS()]); + state.set(1, [this.intFlags, this.nTotalCycles, this.getSpeed()]); + state.set(2, this.bus.saveMemory()); + return state.data(); +}; + +/** + * restore(data) + * + * This implements restore support for the CPUStatePDP11 component. + * + * @this {CPUStatePDP11} + * @param {Object} data + * @return {boolean} true if restore successful, false if not + */ +CPUStatePDP11.prototype.restore = function(data) +{ + var a = data[0]; + this.regA = a[0]; + this.regB = a[1]; + this.regC = a[2]; + this.regD = a[3]; + this.regE = a[4]; + this.regH = a[5]; + this.regL = a[6]; + this.setSP(a[7]); + this.setPC(a[8]); + this.setPS(a[9]); + a = data[1]; + this.intFlags = a[0]; + this.nTotalCycles = a[1]; + this.setSpeed(a[3]); + return this.bus.restoreMemory(data[2]); +}; + +/** + * setBinding(sHTMLType, sBinding, control, sValue) + * + * @this {CPUStatePDP11} + * @param {string|null} sHTMLType is the type of the HTML control (eg, "button", "list", "text", "submit", "textarea", "canvas") + * @param {string} sBinding is the value of the 'binding' parameter stored in the HTML control's "data-value" attribute (eg, "AX") + * @param {Object} control is the HTML control DOM object (eg, HTMLButtonElement) + * @param {string} [sValue] optional data value + * @return {boolean} true if binding was successful, false if unrecognized binding request + */ +CPUStatePDP11.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) +{ + var fBound = false; + switch (sBinding) { + case "PC": + case "PSW": + case "IF": + case "SF": + case "ZF": + case "CF": + this.bindings[sBinding] = control; + this.cLiveRegs++; + fBound = true; + break; + default: + fBound = this.parent.setBinding.call(this, sHTMLType, sBinding, control); + break; + } + return fBound; +}; + +/** + * getBC() + * + * @this {CPUStatePDP11} + * @return {number} + */ +CPUStatePDP11.prototype.getBC = function() +{ + return (this.regB << 8) | this.regC; +}; + +/** + * setBC(w) + * + * @this {CPUStatePDP11} + * @param {number} w + */ +CPUStatePDP11.prototype.setBC = function(w) +{ + this.regB = (w >> 8) & 0xff; + this.regC = w & 0xff; +}; + +/** + * getDE() + * + * @this {CPUStatePDP11} + * @return {number} + */ +CPUStatePDP11.prototype.getDE = function() +{ + return (this.regD << 8) | this.regE; +}; + +/** + * setDE(w) + * + * @this {CPUStatePDP11} + * @param {number} w + */ +CPUStatePDP11.prototype.setDE = function(w) +{ + this.regD = (w >> 8) & 0xff; + this.regE = w & 0xff; +}; + +/** + * getHL() + * + * @this {CPUStatePDP11} + * @return {number} + */ +CPUStatePDP11.prototype.getHL = function() +{ + return (this.regH << 8) | this.regL; +}; + +/** + * setHL(w) + * + * @this {CPUStatePDP11} + * @param {number} w + */ +CPUStatePDP11.prototype.setHL = function(w) +{ + this.regH = (w >> 8) & 0xff; + this.regL = w & 0xff; +}; + +/** + * getSP() + * + * @this {CPUStatePDP11} + * @return {number} + */ +CPUStatePDP11.prototype.getSP = function() +{ + return this.regSP; +}; + +/** + * setSP(off) + * + * @this {CPUStatePDP11} + * @param {number} off + */ +CPUStatePDP11.prototype.setSP = function(off) +{ + this.regSP = off & 0xffff; +}; + +/** + * getPC() + * + * @this {CPUStatePDP11} + * @return {number} + */ +CPUStatePDP11.prototype.getPC = function() +{ + return this.regPC; +}; + +/** + * offPC() + * + * @this {CPUStatePDP11} + * @param {number} off + * @return {number} + */ +CPUStatePDP11.prototype.offPC = function(off) +{ + return (this.regPC + off) & 0xffff; +}; + +/** + * setPC(off) + * + * @this {CPUStatePDP11} + * @param {number} off + */ +CPUStatePDP11.prototype.setPC = function(off) +{ + this.regPC = off & 0xffff; +}; + +/** + * clearCF() + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.clearCF = function() +{ + this.resultZeroCarry &= 0xff; +}; + +/** + * getCF() + * + * @this {CPUStatePDP11} + * @return {number} 0 or 1 (CPUDefPDP11.PS.CF) + */ +CPUStatePDP11.prototype.getCF = function() +{ + return (this.resultZeroCarry & 0x100)? CPUDefPDP11.PS.CF : 0; +}; + +/** + * setCF() + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.setCF = function() +{ + this.resultZeroCarry |= 0x100; +}; + +/** + * updateCF(CF) + * + * @this {CPUStatePDP11} + * @param {number} CF (0x000 or 0x100) + */ +CPUStatePDP11.prototype.updateCF = function(CF) +{ + this.resultZeroCarry = (this.resultZeroCarry & 0xff) | CF; +}; + +/** + * clearZF() + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.clearZF = function() +{ + this.resultZeroCarry |= 0xff; +}; + +/** + * getZF() + * + * @this {CPUStatePDP11} + * @return {number} 0 or CPUDefPDP11.PS.ZF + */ +CPUStatePDP11.prototype.getZF = function() +{ + return (this.resultZeroCarry & 0xff)? 0 : CPUDefPDP11.PS.ZF; +}; + +/** + * setZF() + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.setZF = function() +{ + this.resultZeroCarry &= ~0xff; +}; + +/** + * clearSF() + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.clearSF = function() +{ + if (this.getSF()) this.resultParitySign ^= 0xc0; +}; + +/** + * getSF() + * + * @this {CPUStatePDP11} + * @return {number} 0 or CPUDefPDP11.PS.SF + */ +CPUStatePDP11.prototype.getSF = function() +{ + return (this.resultParitySign & 0x80)? CPUDefPDP11.PS.SF : 0; +}; + +/** + * setSF() + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.setSF = function() +{ + if (!this.getSF()) this.resultParitySign ^= 0xc0; +}; + +/** + * clearIF() + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.clearIF = function() +{ + this.regPS &= ~CPUDefPDP11.PS.IF; +}; + +/** + * getIF() + * + * @this {CPUStatePDP11} + * @return {number} 0 or CPUDefPDP11.PS.IF + */ +CPUStatePDP11.prototype.getIF = function() +{ + return (this.regPS & CPUDefPDP11.PS.IF); +}; + +/** + * setIF() + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.setIF = function() +{ + this.regPS |= CPUDefPDP11.PS.IF; +}; + +/** + * getPS() + * + * @this {CPUStatePDP11} + * @return {number} + */ +CPUStatePDP11.prototype.getPS = function() +{ + return (this.regPS & ~CPUDefPDP11.PS.RESULT) | (this.getSF() | this.getZF() | this.getCF()); +}; + +/** + * setPS(regPS) + * + * @this {CPUStatePDP11} + * @param {number} regPS + */ +CPUStatePDP11.prototype.setPS = function(regPS) +{ + this.resultZeroCarry = this.resultParitySign = this.resultAuxOverflow = 0; + if (regPS & CPUDefPDP11.PS.CF) this.resultZeroCarry |= 0x100; + if (!(regPS & CPUDefPDP11.PS.PF)) this.resultParitySign |= 0x01; + if (regPS & CPUDefPDP11.PS.AF) this.resultAuxOverflow |= 0x10; + if (!(regPS & CPUDefPDP11.PS.ZF)) this.resultZeroCarry |= 0xff; + if (regPS & CPUDefPDP11.PS.SF) this.resultParitySign ^= 0xc0; + this.regPS = (this.regPS & ~(CPUDefPDP11.PS.RESULT | CPUDefPDP11.PS.INTERNAL)) | (regPS & CPUDefPDP11.PS.INTERNAL) | CPUDefPDP11.PS.SET; + Component.assert((regPS & CPUDefPDP11.PS.RESULT) == (this.getPS() & CPUDefPDP11.PS.RESULT)); +}; + +/** + * getPSW() + * + * @this {CPUStatePDP11} + * @return {number} + */ +CPUStatePDP11.prototype.getPSW = function() +{ + return (this.getPS() & CPUDefPDP11.PS.MASK) | (this.regA << 8); +}; + +/** + * setPSW(w) + * + * @this {CPUStatePDP11} + * @param {number} w + */ +CPUStatePDP11.prototype.setPSW = function(w) +{ + this.setPS((w & CPUDefPDP11.PS.MASK) | (this.regPS & ~CPUDefPDP11.PS.MASK)); + this.regA = w >> 8; +}; + +/** + * addByte(src) + * + * @this {CPUStatePDP11} + * @param {number} src + * @return {number} regA + src + */ +CPUStatePDP11.prototype.addByte = function(src) +{ + this.resultAuxOverflow = this.regA ^ src; + return this.resultParitySign = (this.resultZeroCarry = this.regA + src) & 0xff; +}; + +/** + * addByteCarry(src) + * + * @this {CPUStatePDP11} + * @param {number} src + * @return {number} regA + src + carry + */ +CPUStatePDP11.prototype.addByteCarry = function(src) +{ + this.resultAuxOverflow = this.regA ^ src; + return this.resultParitySign = (this.resultZeroCarry = this.regA + src + ((this.resultZeroCarry & 0x100)? 1 : 0)) & 0xff; +}; + +/** + * andByte(src) + * + * @this {CPUStatePDP11} + * @param {number} src + * @return {number} regA & src + */ +CPUStatePDP11.prototype.andByte = function(src) +{ + this.resultZeroCarry = this.resultParitySign = this.resultAuxOverflow = this.regA & src; + if ((this.regA | src) & 0x8) this.resultAuxOverflow ^= 0x10; // set AF by inverting bit 4 in resultAuxOverflow + return this.resultZeroCarry; +}; + +/** + * decByte(b) + * + * We perform this operation using 8-bit two's complement arithmetic, by negating and then adding + * the implied src of 1. This appears to mimic how the PDP11 manages the Auxiliary Carry flag (AF). + * + * @this {CPUStatePDP11} + * @param {number} b + * @return {number} + */ +CPUStatePDP11.prototype.decByte = function(b) +{ + this.resultAuxOverflow = b ^ 0xff; + b = this.resultParitySign = (b + 0xff) & 0xff; + this.resultZeroCarry = (this.resultZeroCarry & ~0xff) | b; + return b; +}; + +/** + * incByte(b) + * + * @this {CPUStatePDP11} + * @param {number} b + * @return {number} + */ +CPUStatePDP11.prototype.incByte = function(b) +{ + this.resultAuxOverflow = b; + b = this.resultParitySign = (b + 1) & 0xff; + this.resultZeroCarry = (this.resultZeroCarry & ~0xff) | b; + return b; +}; + +/** + * orByte(src) + * + * @this {CPUStatePDP11} + * @param {number} src + * @return {number} regA | src + */ +CPUStatePDP11.prototype.orByte = function(src) +{ + return this.resultParitySign = this.resultZeroCarry = this.resultAuxOverflow = this.regA | src; +}; + +/** + * subByte(src) + * + * @this {CPUStatePDP11} + * @param {number} src + * @return {number} regA - src + */ +CPUStatePDP11.prototype.subByte = function(src) +{ + src ^= 0xff; + this.resultAuxOverflow = this.regA ^ src; + return this.resultParitySign = (this.resultZeroCarry = (this.regA + src + 1) ^ 0x100) & 0xff; +}; + +/** + * subByteBorrow(src) + * + * @this {CPUStatePDP11} + * @param {number} src + * @return {number} regA - src - carry + */ +CPUStatePDP11.prototype.subByteBorrow = function(src) +{ + src ^= 0xff; + this.resultAuxOverflow = this.regA ^ src; + return this.resultParitySign = (this.resultZeroCarry = (this.regA + src + ((this.resultZeroCarry & 0x100)? 0 : 1)) ^ 0x100) & 0xff; +}; + +/** + * xorByte(src) + * + * @this {CPUStatePDP11} + * @param {number} src + * @return {number} regA ^ src + */ +CPUStatePDP11.prototype.xorByte = function(src) +{ + return this.resultParitySign = this.resultZeroCarry = this.resultAuxOverflow = this.regA ^ src; +}; + +/** + * getByte(addr) + * + * @this {CPUStatePDP11} + * @param {number} addr is a linear address + * @return {number} byte (8-bit) value at that address + */ +CPUStatePDP11.prototype.getByte = function(addr) +{ + return this.bus.getByte(addr); +}; + +/** + * getWord(addr) + * + * @this {CPUStatePDP11} + * @param {number} addr is a linear address + * @return {number} word (16-bit) value at that address + */ +CPUStatePDP11.prototype.getWord = function(addr) +{ + return this.bus.getShort(addr); +}; + +/** + * setByte(addr, b) + * + * @this {CPUStatePDP11} + * @param {number} addr is a linear address + * @param {number} b is the byte (8-bit) value to write (which we truncate to 8 bits; required by opSTOSb) + */ +CPUStatePDP11.prototype.setByte = function(addr, b) +{ + this.bus.setByte(addr, b); +}; + +/** + * setWord(addr, w) + * + * @this {CPUStatePDP11} + * @param {number} addr is a linear address + * @param {number} w is the word (16-bit) value to write (which we truncate to 16 bits to be safe) + */ +CPUStatePDP11.prototype.setWord = function(addr, w) +{ + this.bus.setShort(addr, w); +}; + +/** + * getPCByte() + * + * @this {CPUStatePDP11} + * @return {number} byte at the current PC; PC advanced by 1 + */ +CPUStatePDP11.prototype.getPCByte = function() +{ + var b = this.getByte(this.regPC); + this.setPC(this.regPC + 1); + return b; +}; + +/** + * getPCWord() + * + * @this {CPUStatePDP11} + * @return {number} word at the current PC; PC advanced by 2 + */ +CPUStatePDP11.prototype.getPCWord = function() +{ + var w = this.getWord(this.regPC); + this.setPC(this.regPC + 2); + return w; +}; + +/** + * popWord() + * + * @this {CPUStatePDP11} + * @return {number} word popped from the current SP; SP increased by 2 + */ +CPUStatePDP11.prototype.popWord = function() +{ + var w = this.getWord(this.regSP); + this.setSP(this.regSP + 2); + return w; +}; + +/** + * pushWord(w) + * + * @this {CPUStatePDP11} + * @param {number} w is the word (16-bit) value to push at current SP; SP decreased by 2 + */ +CPUStatePDP11.prototype.pushWord = function(w) +{ + this.setSP(this.regSP - 2); + this.setWord(this.regSP, w); +}; + +/** + * checkINTR() + * + * @this {CPUStatePDP11} + * @return {boolean} true if execution may proceed, false if not + */ +CPUStatePDP11.prototype.checkINTR = function() +{ + /* + * If the Debugger is single-stepping, this.nStepCycles will always be zero, which we take + * advantage of here to avoid processing interrupts. The Debugger will have to issue a "g" + * command (or "p" command on a call instruction) if you want interrupts to be processed. + */ + if (this.nStepCycles) { + if ((this.intFlags & CPUDefPDP11.INTFLAG.INTR) && this.getIF()) { + for (var nLevel = 0; nLevel < 8; nLevel++) { + if (this.intFlags & (1 << nLevel)) break; + } + this.clearINTR(nLevel); + this.clearIF(); + this.intFlags &= ~CPUDefPDP11.INTFLAG.HALT; + this.aOps[CPUDefPDP11.OPCODE.RST0 | (nLevel << 3)].call(this); + } + } + if (this.intFlags & CPUDefPDP11.INTFLAG.HALT) { + /* + * As discussed in opHLT(), the CPU is never REALLY halted by a HLT instruction; instead, opHLT() + * calls requestHALT(), which sets INTFLAG.HALT and signals to stepCPU() that it's free to end the + * current burst AND that it should not execute any more instructions until checkINTR() indicates + * that a hardware interrupt has been requested. + */ + this.nBurstCycles -= this.nStepCycles; + this.nStepCycles = 0; + return false; + } + return true; +}; + +/** + * clearINTR(nLevel) + * + * Clear the corresponding interrupt level. + * + * nLevel can either be a valid interrupt level (0-7), or -1 to clear all pending interrupts + * (eg, in the event of a system-wide reset). + * + * @this {CPUStatePDP11} + * @param {number} nLevel (0-7, or -1 for all) + */ +CPUStatePDP11.prototype.clearINTR = function(nLevel) +{ + var bitsClear = nLevel < 0? 0xff : (1 << nLevel); + this.intFlags &= ~bitsClear; +}; + + +/** + * requestHALT() + * + * @this {CPUStatePDP11} + */ +CPUStatePDP11.prototype.requestHALT = function() +{ + this.intFlags |= CPUDefPDP11.INTFLAG.HALT; + this.nBurstCycles -= this.nStepCycles; + this.nStepCycles = 0; +}; + +/** + * requestINTR(nLevel) + * + * Request the corresponding interrupt level. + * + * Each interrupt level (0-7) has its own intFlags bit (0-7). If the Interrupt Flag (IF) is also + * set, then we know that checkINTR() will want to issue the interrupt, so we end the current burst + * by setting nStepCycles to zero. But before we do, we subtract nStepCycles from nBurstCycles, + * so that the calculation of how many cycles were actually executed on this burst is correct. + * + * @this {CPUStatePDP11} + * @param {number} nLevel (0-7) + */ +CPUStatePDP11.prototype.requestINTR = function(nLevel) +{ + this.intFlags |= (1 << nLevel); + if (this.getIF()) { + this.nBurstCycles -= this.nStepCycles; + this.nStepCycles = 0; + } +}; + +/** + * updateReg(sReg, nValue, cch) + * + * This function helps updateStatus() by massaging the register names and values according to + * CPU type before passing the call to displayValue(); in the "old days", updateStatus() called + * displayValue() directly (although then it was called displayReg()). + * + * @this {CPUStatePDP11} + * @param {string} sReg + * @param {number} nValue + * @param {number} [cch] (default is 2 hex digits) + */ +CPUStatePDP11.prototype.updateReg = function(sReg, nValue, cch) +{ + this.displayValue(sReg, nValue, cch || 2); +}; + +/** + * updateStatus(fForce) + * + * This provides periodic Control Panel updates (eg, a few times per second; see YIELDS_PER_STATUS). + * this is where we take care of any DOM updates (eg, register values) while the CPU is running. + * + * @this {CPUStatePDP11} + * @param {boolean} [fForce] (true will display registers even if the CPU is running and "live" registers are not enabled) + */ +CPUStatePDP11.prototype.updateStatus = function(fForce) +{ + if (this.cLiveRegs) { + if (fForce || !this.flags.fRunning || this.flags.fDisplayLiveRegs) { + this.updateReg("PC", this.getPC(), 4); + var regPS = this.getPS(); + this.updateReg("PSW", regPS, 4); + this.updateReg("IF", (regPS & CPUDefPDP11.PS.IF)? 1 : 0, 1); + this.updateReg("SF", (regPS & CPUDefPDP11.PS.SF)? 1 : 0, 1); + this.updateReg("ZF", (regPS & CPUDefPDP11.PS.ZF)? 1 : 0, 1); + this.updateReg("CF", (regPS & CPUDefPDP11.PS.CF)? 1 : 0, 1); + } + } + var controlSpeed = this.bindings["speed"]; + if (controlSpeed) controlSpeed.textContent = this.getSpeedCurrent(); +}; + +/** + * stepCPU(nMinCycles) + * + * NOTE: Single-stepping should not be confused with the Trap flag; single-stepping is a Debugger + * operation that's completely independent of Trap status. The CPU can go in and out of Trap mode, + * in and out of h/w interrupt service routines (ISRs), etc, but from the Debugger's perspective, + * they're all one continuous stream of instructions that can be stepped or run at will. Moreover, + * stepping vs. running should never change the behavior of the simulation. + * + * As a result, the Debugger's complete independence means you can run other 8086/8088 debuggers + * (eg, DEBUG) inside the simulation without interference; you can even "debug" them with the Debugger. + * + * @this {CPUStatePDP11} + * @param {number} nMinCycles (0 implies a single-step, and therefore breakpoints should be ignored) + * @return {number} of cycles executed; 0 indicates a pre-execution condition (ie, an execution breakpoint + * was hit), -1 indicates a post-execution condition (eg, a read or write breakpoint was hit), and a positive + * number indicates successful completion of that many cycles (which should always be >= nMinCycles). + */ +CPUStatePDP11.prototype.stepCPU = function(nMinCycles) +{ + /* + * The Debugger uses fComplete to determine if the instruction completed (true) or was interrupted + * by a breakpoint or some other exceptional condition (false). NOTE: this does NOT include JavaScript + * exceptions, which stepCPU() expects the caller to catch using its own exception handler. + * + * The CPU relies on the use of stopCPU() rather than fComplete, because the CPU never single-steps + * (ie, nMinCycles is always some large number), whereas the Debugger does. And conversely, when the + * Debugger is single-stepping (even when performing multiple single-steps), fRunning is never set, + * so stopCPU() would have no effect as far as the Debugger is concerned. + */ + this.flags.fComplete = true; + + /* + * fDebugCheck is true if we need to "check" every instruction with the Debugger. + */ + var fDebugCheck = this.flags.fDebugCheck = (DEBUGGER && this.dbg && this.dbg.checksEnabled()); + + /* + * nDebugState is checked only when fDebugCheck is true, and its sole purpose is to tell the first call + * to checkInstruction() that it can skip breakpoint checks, and that will be true ONLY when fStarting is + * true OR nMinCycles is zero (the latter means the Debugger is single-stepping). + * + * Once we snap fStarting, we clear it, because technically, we've moved beyond "starting" and have + * officially "started" now. + */ + var nDebugState = (!nMinCycles)? -1 : (this.flags.fStarting? 0 : 1); + this.flags.fStarting = false; + + /* + * We move the minimum cycle count to nStepCycles (the number of cycles left to step), so that other + * functions have the ability to force that number to zero (eg, stopCPU()), and thus we don't have to check + * any other criteria to determine whether we should continue stepping or not. + */ + this.nBurstCycles = this.nStepCycles = nMinCycles; + + /* + * NOTE: If checkINTR() returns false, INTFLAG.HALT must be set, so no instructions should be executed. + */ + if (this.checkINTR()) { + do { + if (DEBUGGER && fDebugCheck) { + if (this.dbg.checkInstruction(this.regPC, nDebugState)) { + this.stopCPU(); + break; + } + nDebugState = 1; + } + this.aOps[this.getPCByte()].call(this); + + } while (this.nStepCycles > 0); + } + + return (this.flags.fComplete? this.nBurstCycles - this.nStepCycles : (this.flags.fComplete === undefined? 0 : -1)); +}; + +/** + * CPUStatePDP11.init() + * + * This function operates on every HTML element of class "cpu", extracting the + * JSON-encoded parameters for the CPUStatePDP11 constructor from the element's "data-value" + * attribute, invoking the constructor (which in turn invokes the CPU constructor) + * to create a CPUStatePDP11 component, and then binding any associated HTML controls to the + * new component. + */ +CPUStatePDP11.init = function() +{ + var aeCPUs = Component.getElementsByClass(document, PDP11.APPCLASS, "cpu"); + for (var iCPU = 0; iCPU < aeCPUs.length; iCPU++) { + var eCPU = aeCPUs[iCPU]; + var parmsCPU = Component.getComponentParms(eCPU); + var cpu = new CPUStatePDP11(parmsCPU); + Component.bindComponentControls(cpu, eCPU, PDP11.APPCLASS); + } +}; + +/* + * Initialize every CPU module on the page + */ +web.onInit(CPUStatePDP11.init); + +if (NODE) module.exports = CPUStatePDP11; diff --git a/modules/pdp11/lib/debugger.js b/modules/pdp11/lib/debugger.js new file mode 100644 index 000000000..ee24a5032 --- /dev/null +++ b/modules/pdp11/lib/debugger.js @@ -0,0 +1,4219 @@ +/** + * @fileoverview Implements the PDP11 Debugger component. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +if (DEBUGGER) { + if (NODE) { + var str = require("../../shared/lib/strlib"); + var usr = require("../../shared/lib/usrlib"); + var web = require("../../shared/lib/weblib"); + var Component = require("../../shared/lib/component"); + var State = require("../../shared/lib/state"); + var PDP11 = require("./defines"); + var CPUDefPDP11 = require("./cpudef"); + var CPUPDP11 = require("./cpu"); + var KeyboardPDP11 = require("./keyboard"); + var MessagesPDP11 = require("./messages"); + var MemoryPDP11 = require("./memory"); + } +} + +/** + * DebuggerPDP11 Address Object + * + * addr address + * fTemporary true if this is a temporary breakpoint address + * sCmd set for breakpoint addresses if there's an associated command string + * aCmds preprocessed commands (from sCmd) + * + * @typedef {{ + * addr:(number|undefined), + * fTemporary:(boolean|undefined), + * sCmd:(string|undefined), + * aCmds:(Array.|undefined) + * }} + */ +var DbgAddrPDP11; + +/** + * DebuggerPDP11(parmsDbg) + * + * @constructor + * @extends Component + * @param {Object} parmsDbg + * + * The DebuggerPDP11 component supports the following optional (parmsDbg) properties: + * + * commands: string containing zero or more commands, separated by ';' + * + * messages: string containing zero or more message categories to enable; + * multiple categories must be separated by '|' or ';'. Parsed by messageInit(). + * + * The DebuggerPDP11 component is an optional component that implements a variety of user + * commands for controlling the CPU, dumping and editing memory, etc. + */ +function DebuggerPDP11(parmsDbg) +{ + if (DEBUGGER) { + + Component.call(this, "Debugger", parmsDbg, DebuggerPDP11); + + /* + * These keep track of instruction activity, but only when tracing or when DebuggerPDP11 checks + * have been enabled (eg, one or more breakpoints have been set). + * + * They are zeroed by the reset() notification handler. cInstructions is advanced by + * stepCPU() and checkInstruction() calls. nCycles is updated by every stepCPU() or stop() + * call and simply represents the number of cycles performed by the last run of instructions. + */ + this.nCycles = 0; + this.cOpcodes = this.cOpcodesStart = 0; + + /* + * Most commands that require an address call parseAddr(), which defaults to dbgAddrNextCode + * or dbgAddrNextData when no address has been given. doDump() and doUnassemble(), in turn, + * update dbgAddrNextData and dbgAddrNextCode, respectively, when they're done. + * + * For TEMPORARY breakpoint addresses, we set fTemporary to true, so that they can be automatically + * cleared when they're hit. + */ + this.dbgAddrNextCode = this.newAddr(); + this.dbgAddrNextData = this.newAddr(); + + /* + * This maintains command history. New commands are inserted at index 0 of the array. + * When Enter is pressed on an empty input buffer, we default to the command at aPrevCmds[0]. + */ + this.iPrevCmd = -1; + this.aPrevCmds = []; + + /* + * fAssemble is true when "assemble mode" is active, false when not. + */ + this.fAssemble = false; + this.dbgAddrAssemble = this.newAddr(); + + /* + * aSymbolTable is an array of SymbolTable objects, one per ROM or other chunk of address space, + * where each object contains the following properties: + * + * sModule + * addr (physical address, if any; eg, symbols for a ROM) + * len + * aSymbols + * aOffsets + * + * See addSymbols() for more details, since that's how callers add sets of symbols to the table. + */ + this.aSymbolTable = []; + + /* + * aVariables is an object with properties that grows as setVariable() assigns more variables; + * each property corresponds to one variable, where the property name is the variable name (ie, + * a string beginning with a letter or underscore, followed by zero or more additional letters, + * digits, or underscores) and the property value is the variable's numeric value. See doVar() + * and setVariable() for details. + * + * Note that parseValue(), through its reliance on str.parseInt(), assumes a default base of 16 + * if no base is explicitly indicated (eg, a trailing decimal period), and if you define variable + * names containing exclusively hex alpha characters (a-f), those variables will take precedence + * over the corresponding hex values. In other words, if you define variables "a" and "b", you + * will no longer be able to simply type "a" or "b" to specify the decimal values 10 or 11. + */ + this.aVariables = {}; + + /* + * clearBreakpoints() initializes the breakpoints lists: aBreakExec is a list of addresses + * to halt on whenever attempting to execute an instruction at the corresponding address, + * and aBreakRead and aBreakWrite are lists of addresses to halt on whenever a read or write, + * respectively, occurs at the corresponding address. + * + * NOTE: Curiously, after upgrading the Google Closure Compiler from v20141215 to v20150609, + * the resulting compiled code would crash in clearBreakpoints(), because the (renamed) aBreakRead + * property was already defined. To eliminate whatever was confusing the Closure Compiler, I've + * explicitly initialized all the properties that clearBreakpoints() (re)initializes. + */ + this.aBreakExec = this.aBreakRead = this.aBreakWrite = []; + this.clearBreakpoints(); + + /* + * The new "bn" command allows you to specify a number of instructions to execute and then stop; + * "bn 0" disables any outstanding count. + */ + this.nBreakIns = 0; + + /* + * Execution history is allocated by historyInit() whenever checksEnabled() conditions change. + * Execution history is updated whenever the CPU calls checkInstruction(), which will happen + * only when checksEnabled() returns true (eg, whenever one or more breakpoints have been set). + * This ensures that, by default, the CPU runs as fast as possible. + */ + this.historyInit(); + + /* + * Initialize DebuggerPDP11 message support + */ + this.afnDumpers = []; + this.messageInit(parmsDbg['messages']); + + this.sInitCommands = parmsDbg['commands']; + + /* + * Make it easier to access DebuggerPDP11 commands from an external REPL (eg, the WebStorm + * "live" console window); eg: + * + * pdp11('r') + * pdp11('dw 0:0') + * pdp11('h') + * ... + */ + var dbg = this; + if (window) { + if (window[PDP11.APPCLASS] === undefined) { + window[PDP11.APPCLASS] = function(s) { return dbg.doCommands(s); }; + } + } else { + if (global[PDP11.APPCLASS] === undefined) { + global[PDP11.APPCLASS] = function(s) { return dbg.doCommands(s); }; + } + } + + } // endif DEBUGGER +} + +if (DEBUGGER) { + + Component.subclass(DebuggerPDP11); + + /* + * NOTE: Every DebuggerPDP11 property from here to the first prototype function definition (initBus()) is a + * considered a "class constant"; most of them use our "all-caps" convention (and all of them SHOULD, but + * that wouldn't help us catch any bugs). + * + * Technically, all of them should ALSO be preceded by a "@const" annotation, but that's a lot of work and it + * really clutters the code. I wish the Closure Compiler had a way to annotate every definition with a given + * section with a single annotation.... + * + * Bugs can slip through the cracks without those annotations; for example, I unthinkingly redefined TYPE_SI + * at one point, and if all the definitions had been preceded by an "@const", that mistake would have been + * caught at compile-time. + */ + + DebuggerPDP11.COMMANDS = { + '?': "help/print", + 'a [#]': "assemble", // TODO: Implement this command someday + 'b [#]': "breakpoint", // multiple variations (use b? to list them) + 'c': "clear output", + 'd [#]': "dump memory", // additional syntax: d [#] [l#], where l# is a number of bytes to dump + 'e [#]': "edit memory", + 'f': "frequencies", + 'g [#]': "go [to #]", + 'h': "halt", + 'if': "eval expression", + 'int [#]': "request interrupt", + 'k': "stack trace", + "ln": "list nearest symbol(s)", + 'm': "messages", + 'p': "step over", // other variations: pr (step and dump registers) + 'print': "print expression", + 'r': "dump/set registers", + 'reset': "reset machine", + 's': "set options", + 't [#]': "trace", // other variations: tr (trace and dump registers) + 'u [#]': "unassemble", + 'v': "print version", + 'var': "assign variable" + }; + + /* + * CPU instruction ordinals + */ + DebuggerPDP11.INS = { + NONE: 0 + }; + + /* + * CPU instruction names (mnemonics), indexed by CPU instruction ordinal (above) + */ + DebuggerPDP11.INS_NAMES = [ + "NONE" + ]; + + DebuggerPDP11.REG_PC = 0x0C; + DebuggerPDP11.REG_PSW = 0x0E; + + DebuggerPDP11.REGS = [ + "PC", "PSW" + ]; + + /* + * Operand type descriptor masks and definitions + */ + DebuggerPDP11.TYPE_SIZE = 0x000F; // size field + DebuggerPDP11.TYPE_MODE = 0x00F0; // mode field + DebuggerPDP11.TYPE_IREG = 0x0F00; // implied register field + DebuggerPDP11.TYPE_OTHER = 0xF000; // "other" field + + /* + * TYPE_SIZE values + */ + DebuggerPDP11.TYPE_NONE = 0x0000; // (all other TYPE fields ignored) + DebuggerPDP11.TYPE_BYTE = 0x0001; // byte, regardless of operand size + DebuggerPDP11.TYPE_SBYTE = 0x0002; // byte sign-extended to word + DebuggerPDP11.TYPE_WORD = 0x0003; // word (16-bit value) + + /* + * TYPE_MODE values + */ + DebuggerPDP11.TYPE_REG = 0x0010; // register + DebuggerPDP11.TYPE_IMM = 0x0020; // immediate data + DebuggerPDP11.TYPE_ADDR = 0x0033; // immediate (word) address + DebuggerPDP11.TYPE_MEM = 0x0040; // memory reference + DebuggerPDP11.TYPE_INT = 0x0080; // interrupt level encoded in instruction (bits 3-5) + + /* + * TYPE_IREG values, based on the REG_* constants. + * + * Note that TYPE_M isn't really a register, just an alternative form of TYPE_HL | TYPE_MEM. + */ + DebuggerPDP11.TYPE_PC = (DebuggerPDP11.REG_PC << 8 | DebuggerPDP11.TYPE_REG | DebuggerPDP11.TYPE_WORD); + DebuggerPDP11.TYPE_PSW = (DebuggerPDP11.REG_PSW<< 8 | DebuggerPDP11.TYPE_REG | DebuggerPDP11.TYPE_WORD); + + /* + * TYPE_OTHER bit definitions + */ + DebuggerPDP11.TYPE_IN = 0x1000; // operand is input + DebuggerPDP11.TYPE_OUT = 0x2000; // operand is output + DebuggerPDP11.TYPE_BOTH = (DebuggerPDP11.TYPE_IN | DebuggerPDP11.TYPE_OUT); + DebuggerPDP11.TYPE_UNDOC = 0x8000; // opcode is an undocumented alternative encoding + + /* + * The aaOpDescs array is indexed by opcode, and each element is a sub-array (aOpDesc) that describes + * the corresponding opcode. The sub-elements are as follows: + * + * [0]: {number} of the opcode name (see INS.*) + * [1]: {number} containing the destination operand descriptor bit(s), if any + * [2]: {number} containing the source operand descriptor bit(s), if any + * [3]: {number} containing the occasional third operand descriptor bit(s), if any + * + * These sub-elements are all optional. If [0] is not present, the opcode is undefined; if [1] is not + * present (or contains zero), the opcode has no (or only implied) operands; if [2] is not present, the + * opcode has only a single operand. And so on. + * + * Additional default rules: + * + * 1) If no TYPE_OTHER bits are specified for the first (destination) operand, TYPE_OUT is assumed; + * 2) If no TYPE_OTHER bits are specified for the second (source) operand, TYPE_IN is assumed; + * 3) If no size is specified for the second operand, the size is assumed to match the first operand. + */ + DebuggerPDP11.aaOpDescs = [ + ]; + + DebuggerPDP11.HISTORY_LIMIT = DEBUG? 100000 : 1000; + + /** + * initBus(bus, cpu, dbg) + * + * @this {DebuggerPDP11} + * @param {ComputerPDP11} cmp + * @param {BusPDP11} bus + * @param {CPUStatePDP11} cpu + * @param {DebuggerPDP11} dbg + */ + DebuggerPDP11.prototype.initBus = function(cmp, bus, cpu, dbg) + { + this.bus = bus; + this.cpu = cpu; + this.cmp = cmp; + + /* + * Re-initialize Debugger message support if necessary + */ + var sMessages = cmp.getMachineParm('messages'); + if (sMessages) this.messageInit(sMessages); + + this.aaOpDescs = DebuggerPDP11.aaOpDescs; + + this.messageDump(MessagesPDP11.BUS, function onDumpBus(asArgs) { dbg.dumpBus(asArgs); }); + + this.setReady(); + }; + + /** + * setBinding(sHTMLType, sBinding, control, sValue) + * + * @this {DebuggerPDP11} + * @param {string|null} sHTMLType is the type of the HTML control (eg, "button", "list", "text", "submit", "textarea", "canvas") + * @param {string} sBinding is the value of the 'binding' parameter stored in the HTML control's "data-value" attribute (eg, "debugInput") + * @param {Object} control is the HTML control DOM object (eg, HTMLButtonElement) + * @param {string} [sValue] optional data value + * @return {boolean} true if binding was successful, false if unrecognized binding request + */ + DebuggerPDP11.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) + { + var dbg = this; + switch (sBinding) { + + case "debugInput": + this.bindings[sBinding] = control; + this.controlDebug = control; + /* + * For halted machines, this is fine, but for auto-start machines, it can be annoying. + * + * control.focus(); + */ + control.onkeydown = function onKeyDownDebugInput(event) { + var sCmds; + if (event.keyCode == KeyboardPDP11.KEYCODE.CR) { + sCmds = control.value; + control.value = ""; + dbg.doCommands(sCmds, true); + } + else if (event.keyCode == KeyboardPDP11.KEYCODE.ESC) { + control.value = sCmds = ""; + } + else { + if (event.keyCode == KeyboardPDP11.KEYCODE.UP) { + if (dbg.iPrevCmd < dbg.aPrevCmds.length - 1) { + sCmds = dbg.aPrevCmds[++dbg.iPrevCmd]; + } + } + else if (event.keyCode == KeyboardPDP11.KEYCODE.DOWN) { + if (dbg.iPrevCmd > 0) { + sCmds = dbg.aPrevCmds[--dbg.iPrevCmd]; + } else { + sCmds = ""; + dbg.iPrevCmd = -1; + } + } + if (sCmds != null) { + var cch = sCmds.length; + control.value = sCmds; + control.setSelectionRange(cch, cch); + } + } + if (sCmds != null && event.preventDefault) event.preventDefault(); + }; + return true; + + case "debugEnter": + this.bindings[sBinding] = control; + web.onClickRepeat( + control, + 500, 100, + function onClickDebugEnter(fRepeat) { + if (dbg.controlDebug) { + var sCmds = dbg.controlDebug.value; + dbg.controlDebug.value = ""; + dbg.doCommands(sCmds, true); + return true; + } + if (DEBUG) dbg.log("no debugger input buffer"); + return false; + } + ); + return true; + + case "step": + this.bindings[sBinding] = control; + web.onClickRepeat( + control, + 500, 100, + function onClickStep(fRepeat) { + var fCompleted = false; + if (!dbg.isBusy(true)) { + dbg.setBusy(true); + fCompleted = dbg.stepCPU(fRepeat? 1 : 0); + dbg.setBusy(false); + } + return fCompleted; + } + ); + return true; + + default: + break; + } + return false; + }; + + /** + * updateFocus() + * + * @this {DebuggerPDP11} + */ + DebuggerPDP11.prototype.updateFocus = function() + { + if (this.controlDebug) this.controlDebug.focus(); + }; + + /** + * getAddr(dbgAddr, fWrite, nb) + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11|null|undefined} dbgAddr + * @param {boolean} [fWrite] + * @param {number} [nb] number of bytes to check (1 or 2); default is 1 + * @return {number} is the corresponding linear address, or CPUDefPDP11.ADDR_INVALID + */ + DebuggerPDP11.prototype.getAddr = function(dbgAddr, fWrite, nb) + { + var addr = dbgAddr && dbgAddr.addr; + if (addr == null) { + addr = CPUDefPDP11.ADDR_INVALID; + } + return addr; + }; + + /** + * getByte(dbgAddr, inc) + * + * We must route all our memory requests through the CPU now, in case paging is enabled. + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @param {number} [inc] + * @return {number} + */ + DebuggerPDP11.prototype.getByte = function(dbgAddr, inc) + { + var b = 0xff; + var addr = this.getAddr(dbgAddr, false, 1); + if (addr !== CPUDefPDP11.ADDR_INVALID) { + b = this.bus.getByteDirect(addr); + if (inc) this.incAddr(dbgAddr, inc); + } + return b; + }; + + /** + * getWord(dbgAddr, fAdvance) + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @param {boolean} [fAdvance] + * @return {number} + */ + DebuggerPDP11.prototype.getWord = function(dbgAddr, fAdvance) + { + return this.getShort(dbgAddr, fAdvance? 2 : 0); + }; + + /** + * getShort(dbgAddr, inc) + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @param {number} [inc] + * @return {number} + */ + DebuggerPDP11.prototype.getShort = function(dbgAddr, inc) + { + var w = 0xffff; + var addr = this.getAddr(dbgAddr, false, 2); + if (addr !== CPUDefPDP11.ADDR_INVALID) { + w = this.bus.getShortDirect(addr); + if (inc) this.incAddr(dbgAddr, inc); + } + return w; + }; + + /** + * setByte(dbgAddr, b, inc) + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @param {number} b + * @param {number} [inc] + */ + DebuggerPDP11.prototype.setByte = function(dbgAddr, b, inc) + { + var addr = this.getAddr(dbgAddr, true, 1); + if (addr !== CPUDefPDP11.ADDR_INVALID) { + this.bus.setByteDirect(addr, b); + if (inc) this.incAddr(dbgAddr, inc); + this.cpu.updateCPU(true); // we set fForce to true in case video memory was the target + } + }; + + /** + * setShort(dbgAddr, w, inc) + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @param {number} w + * @param {number} [inc] + */ + DebuggerPDP11.prototype.setShort = function(dbgAddr, w, inc) + { + var addr = this.getAddr(dbgAddr, true, 2); + if (addr !== CPUDefPDP11.ADDR_INVALID) { + this.bus.setShortDirect(addr, w); + if (inc) this.incAddr(dbgAddr, inc); + this.cpu.updateCPU(true); // we set fForce to true in case video memory was the target + } + }; + + /** + * newAddr(addr) + * + * Returns a NEW DbgAddrPDP11 object, initialized with specified values and/or defaults. + * + * @this {DebuggerPDP11} + * @param {number} [addr] + * @return {DbgAddrPDP11} + */ + DebuggerPDP11.prototype.newAddr = function(addr) + { + return {addr: addr, fTemporary: false}; + }; + + /** + * setAddr(dbgAddr, addr) + * + * Updates an EXISTING DbgAddrPDP11 object, initialized with specified values and/or defaults. + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @param {number} addr + * @return {DbgAddrPDP11} + */ + DebuggerPDP11.prototype.setAddr = function(dbgAddr, addr) + { + dbgAddr.addr = addr; + dbgAddr.fTemporary = false; + return dbgAddr; + }; + + /** + * packAddr(dbgAddr) + * + * Packs a DbgAddrPDP11 object into an Array suitable for saving in a machine state object. + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @return {Array} + */ + DebuggerPDP11.prototype.packAddr = function(dbgAddr) + { + return [dbgAddr.addr, dbgAddr.fTemporary]; + }; + + /** + * unpackAddr(aAddr) + * + * Unpacks a DbgAddrPDP11 object from an Array created by packAddr() and restored from a saved machine state. + * + * @this {DebuggerPDP11} + * @param {Array} aAddr + * @return {DbgAddrPDP11} + */ + DebuggerPDP11.prototype.unpackAddr = function(aAddr) + { + return {addr: aAddr[0], fTemporary: aAddr[1]}; + }; + + /** + * parseAddr(sAddr, fCode, fNoChecks, fPrint) + * + * Address evaluation and validation (eg, range checks) are no longer performed at this stage. That's + * done later, by getAddr(), which returns CPUDefPDP11.ADDR_INVALID for invalid segments, out-of-range offsets, + * etc. The Debugger's low-level get/set memory functions verify all getAddr() results, but even if an + * invalid address is passed through to the Bus memory interfaces, the address will simply be masked with + * BusPDP11.nBusLimit; in the case of CPUDefPDP11.ADDR_INVALID, that will generally refer to the top of the physical + * address space. + * + * @this {DebuggerPDP11} + * @param {string|undefined} sAddr + * @param {boolean} [fCode] (true if target is code, false if target is data) + * @param {boolean} [fNoChecks] (true when setting breakpoints that may not be valid now, but will be later) + * @param {boolean} [fPrint] + * @return {DbgAddrPDP11|null|undefined} + */ + DebuggerPDP11.prototype.parseAddr = function(sAddr, fCode, fNoChecks, fPrint) + { + var dbgAddr; + var dbgAddrNext = (fCode? this.dbgAddrNextCode : this.dbgAddrNextData); + var addr = dbgAddrNext.addr; + if (sAddr !== undefined) { + sAddr = this.parseReference(sAddr); + dbgAddr = this.findSymbolAddr(sAddr); + if (dbgAddr) return dbgAddr; + addr = this.parseExpression(sAddr, fPrint); + } + if (addr != null) { + dbgAddr = this.newAddr(addr); + } + return dbgAddr; + }; + + /** + * parseAddrOptions(dbdAddr, sOptions) + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @param {string} [sOptions] + */ + DebuggerPDP11.prototype.parseAddrOptions = function(dbgAddr, sOptions) + { + if (sOptions) { + var a = sOptions.match(/(['"])(.*?)\1/); + if (a) { + dbgAddr.aCmds = this.parseCommand(dbgAddr.sCmd = a[2]); + } + } + }; + + /** + * incAddr(dbgAddr, inc) + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @param {number} [inc] contains value to increment dbgAddr by (default is 1) + */ + DebuggerPDP11.prototype.incAddr = function(dbgAddr, inc) + { + if (dbgAddr.addr != null) { + dbgAddr.addr += (inc || 1); + } + }; + + /** + * toHexOffset(off) + * + * @this {DebuggerPDP11} + * @param {number|null|undefined} [off] + * @return {string} the hex representation of off + */ + DebuggerPDP11.prototype.toHexOffset = function(off) + { + return str.toHex(off, 4); + }; + + /** + * toHexAddr(dbgAddr) + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @return {string} the hex representation of the address + */ + DebuggerPDP11.prototype.toHexAddr = function(dbgAddr) + { + return this.toHexOffset(dbgAddr.addr); + }; + + /** + * getSZ(dbgAddr, cchMax) + * + * Gets zero-terminated (aka "ASCIIZ") string from dbgAddr. It also stops at the first '$', in case this is + * a '$'-terminated string -- mainly because I'm lazy and didn't feel like writing a separate get() function. + * Yes, a zero-terminated string containing a '$' will be prematurely terminated, and no, I don't care. + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @param {number} [cchMax] (default is 256) + * @return {string} (and dbgAddr advanced past the terminating zero) + */ + DebuggerPDP11.prototype.getSZ = function(dbgAddr, cchMax) + { + var s = ""; + cchMax = cchMax || 256; + while (s.length < cchMax) { + var b = this.getByte(dbgAddr, 1); + if (!b || b == 0x24 || b >= 127) break; + s += (b >= 32? String.fromCharCode(b) : '.'); + } + return s; + }; + + /** + * dumpBlocks(aBlocks, sAddr) + * + * @this {DebuggerPDP11} + * @param {Array} aBlocks + * @param {string} [sAddr] (optional block address) + */ + DebuggerPDP11.prototype.dumpBlocks = function(aBlocks, sAddr) + { + var addr = 0, i = 0, n = aBlocks.length; + + if (sAddr) { + addr = this.getAddr(this.parseAddr(sAddr)); + if (addr === CPUDefPDP11.ADDR_INVALID) { + this.println("invalid address: " + sAddr); + return; + } + i = addr >>> this.bus.nBlockShift; + n = 1; + } + + this.println("blockid physical blockaddr used size type"); + this.println("-------- --------- ---------- ------ ------ ----"); + + var typePrev = -1, cPrev = 0; + while (n--) { + var block = aBlocks[i]; + if (block.type == typePrev) { + if (!cPrev++) this.println("..."); + } else { + typePrev = block.type; + var sType = MemoryPDP11.TYPE.NAMES[typePrev]; + if (block) { + this.println(str.toHex(block.id) + " %" + str.toHex(i << this.bus.nBlockShift) + " %%" + str.toHex(block.addr) + " " + str.toHexWord(block.used) + " " + str.toHexWord(block.size) + " " + sType); + } + if (typePrev != MemoryPDP11.TYPE.NONE) typePrev = -1; + cPrev = 0; + } + addr += this.bus.nBlockSize; + i++; + } + }; + + /** + * dumpBus(asArgs) + * + * Dumps Bus allocations. + * + * @this {DebuggerPDP11} + * @param {Array.} asArgs (asArgs[0] is an optional block address) + */ + DebuggerPDP11.prototype.dumpBus = function(asArgs) + { + this.dumpBlocks(this.bus.aMemBlocks, asArgs[0]); + }; + + /** + * dumpHistory(sPrev, sLines) + * + * If sLines is not a number, it can be a instruction filter. However, for the moment, the only + * supported filter is "call", which filters the history buffer for all CALL and RET instructions + * from the specified previous point forward. + * + * @this {DebuggerPDP11} + * @param {string} [sPrev] is a (decimal) number of instructions to rewind to (default is 10) + * @param {string} [sLines] is a (decimal) number of instructions to print (default is, again, 10) + */ + DebuggerPDP11.prototype.dumpHistory = function(sPrev, sLines) + { + var sMore = ""; + var cHistory = 0; + var iHistory = this.iOpcodeHistory; + var aHistory = this.aOpcodeHistory; + + if (aHistory.length) { + var nPrev = +sPrev || this.nextHistory; + var nLines = +sLines || 10; + + if (isNaN(nPrev)) { + nPrev = nLines; + } else { + sMore = "more "; + } + + if (nPrev > aHistory.length) { + this.println("note: only " + aHistory.length + " available"); + nPrev = aHistory.length; + } + + iHistory -= nPrev; + if (iHistory < 0) { + /* + * If the dbgAddr of the last aHistory element contains a valid selector, wrap around. + */ + if (aHistory[aHistory.length - 1].addr == null) { + nPrev = iHistory + nPrev; + iHistory = 0; + } else { + iHistory += aHistory.length; + } + } + + var aFilters = []; + if (sLines == "call") { + nLines = 100000; + aFilters = ["CALL"]; + } + + if (sPrev !== undefined) { + this.println(nPrev + " instructions earlier:"); + } + + /* + * TODO: The following is necessary to prevent dumpHistory() from causing additional (or worse, recursive) + * faults due to segmented addresses that are no longer valid, but the only alternative is to dramatically + * increase the amount of memory used to store instruction history (eg, storing copies of all the instruction + * bytes alongside the execution addresses). + * + * For now, we're living dangerously, so that our history dumps actually work. + * + * this.nSuppressBreaks++; + * + * If you re-enable this protection, be sure to re-enable the decrement below, too. + */ + while (nLines > 0 && iHistory != this.iOpcodeHistory) { + + var dbgAddr = aHistory[iHistory++]; + if (dbgAddr.addr == null) break; + + /* + * We must create a new dbgAddr from the address in aHistory, because dbgAddr was + * a reference, not a copy, and we don't want getInstruction() modifying the original. + */ + var dbgAddrNew = this.newAddr(dbgAddr.addr); + + var sComment = "history"; + var nSequence = nPrev--; + if (DEBUG && dbgAddr.cycleCount != null) { + sComment = "cycles"; + nSequence = dbgAddr.cycleCount; + } + + var sInstruction = this.getInstruction(dbgAddrNew, sComment, nSequence); + + if (!aFilters.length || sInstruction.indexOf(aFilters[0]) >= 0) { + this.println(sInstruction); + } + + /* + * If there were OPERAND or ADDRESS overrides on the previous instruction, getInstruction() + * will have automatically disassembled additional bytes, so skip additional history entries. + */ + if (dbgAddrNew.cOverrides) { + iHistory += dbgAddrNew.cOverrides; nLines -= dbgAddrNew.cOverrides; nPrev -= dbgAddrNew.cOverrides; + } + + if (iHistory >= aHistory.length) iHistory = 0; + this.nextHistory = nPrev; + cHistory++; + nLines--; + } + /* + * See comments above. + * + * this.nSuppressBreaks--; + */ + } + + if (!cHistory) { + this.println("no " + sMore + "history available"); + this.nextHistory = undefined; + } + }; + + /** + * messageInit(sEnable) + * + * @this {DebuggerPDP11} + * @param {string|undefined} sEnable contains zero or more message categories to enable, separated by '|' + */ + DebuggerPDP11.prototype.messageInit = function(sEnable) + { + this.dbg = this; + this.bitsMessage = this.bitsWarning = MessagesPDP11.WARN; + this.sMessagePrev = null; + this.aMessageBuffer = []; + /* + * Internally, we use "key" instead of "keys", since the latter is a method on JavasScript objects, + * but externally, we allow the user to specify "keys"; "kbd" is also allowed as shorthand for "keyboard". + */ + var aEnable = this.parseCommand(sEnable.replace("keys","key").replace("kbd","keyboard"), false, '|'); + if (aEnable.length) { + for (var m in MessagesPDP11.CATEGORIES) { + if (usr.indexOf(aEnable, m) >= 0) { + this.bitsMessage |= MessagesPDP11.CATEGORIES[m]; + this.println(m + " messages enabled"); + } + } + } + }; + + /** + * messageDump(bitMessage, fnDumper) + * + * @this {DebuggerPDP11} + * @param {number} bitMessage is one Messages category flag + * @param {function(Array.)} fnDumper is a function the Debugger can use to dump data for that category + * @return {boolean} true if successfully registered, false if not + */ + DebuggerPDP11.prototype.messageDump = function(bitMessage, fnDumper) + { + for (var m in MessagesPDP11.CATEGORIES) { + if (bitMessage == MessagesPDP11.CATEGORIES[m]) { + this.afnDumpers[m] = fnDumper; + return true; + } + } + return false; + }; + + /** + * getRegIndex(sReg, off) + * + * @this {DebuggerPDP11} + * @param {string} sReg + * @param {number} [off] optional offset into sReg + * @return {number} register index, or -1 if not found + */ + DebuggerPDP11.prototype.getRegIndex = function(sReg, off) + { + var i; + sReg = sReg.toUpperCase(); + if (off == null) { + i = usr.indexOf(DebuggerPDP11.REGS, sReg); + } else { + i = usr.indexOf(DebuggerPDP11.REGS, sReg.substr(off, 2)); + if (i < 0) i = usr.indexOf(DebuggerPDP11.REGS, sReg.substr(off, 1)); + } + return i; + }; + + /** + * getRegString(iReg) + * + * @this {DebuggerPDP11} + * @param {number} iReg + * @return {string} + */ + DebuggerPDP11.prototype.getRegString = function(iReg) + { + var cch = 0; + var n = this.getRegValue(iReg); + if (n !== undefined) { + switch(iReg) { + case DebuggerPDP11.REG_PC: + case DebuggerPDP11.REG_PSW: + cch = 4; + break; + } + } + return cch? str.toHex(n, cch) : "??"; + }; + + /** + * getRegValue(iReg) + * + * @this {DebuggerPDP11} + * @param {number} iReg + * @return {number|undefined} + */ + DebuggerPDP11.prototype.getRegValue = function(iReg) + { + var n; + if (iReg >= 0) { + var cpu = this.cpu; + switch(iReg) { + case DebuggerPDP11.REG_PC: + n = cpu.getPC(); + break; + case DebuggerPDP11.REG_PSW: + n = cpu.getPSW(); + break; + default: + break; + } + } + return n; + }; + + /** + * replaceRegs(s) + * + * @this {DebuggerPDP11} + * @param {string} s + * @return {string} + */ + DebuggerPDP11.prototype.replaceRegs = function(s) + { + /* + * Replace any references first; this means that register references inside the reference + * do NOT need to be prefixed with '@'. + */ + s = this.parseReference(s); + + /* + * Replace every @XX (or @XXX), where XX (or XXX) is a register, with the register's value. + */ + var i = 0; + var b, sChar, sAddr, dbgAddr, sReplace; + while ((i = s.indexOf('@', i)) >= 0) { + var iReg = this.getRegIndex(s, i + 1); + if (iReg >= 0) { + s = s.substr(0, i) + this.getRegString(iReg) + s.substr(i + 1 + DebuggerPDP11.REGS[iReg].length); + } + i++; + } + /* + * Replace every #XX, where XX is a hex byte value, with the corresponding ASCII character (if printable). + */ + i = 0; + while ((i = s.indexOf('#', i)) >= 0) { + sChar = s.substr(i+1, 2); + b = str.parseInt(sChar, 16); + if (b != null && b >= 32 && b < 128) { + sReplace = sChar + " '" + String.fromCharCode(b) + "'"; + s = s.replace('#' + sChar, sReplace); + i += sReplace.length; + continue; + } + i++; + } + /* + * Replace every $XXXX:XXXX, where XXXX:XXXX is a segmented address, with the zero-terminated string at that address. + */ + i = 0; + while ((i = s.indexOf('$', i)) >= 0) { + sAddr = s.substr(i+1, 9); + dbgAddr = this.parseAddr(sAddr); + if (dbgAddr) { + sReplace = sAddr + ' "' + this.getSZ(dbgAddr) + '"'; + s = s.replace('$' + sAddr, sReplace); + i += sReplace.length; + continue; + } + i++; + } + /* + * Replace every ^XXXX:XXXX, where XXXX:XXXX is a segmented address, with the FCB filename stored at that address. + */ + i = 0; + while ((i = s.indexOf('^', i)) >= 0) { + sAddr = s.substr(i+1, 9); + dbgAddr = this.parseAddr(sAddr); + if (dbgAddr) { + this.incAddr(dbgAddr); + sReplace = sAddr + ' "' + this.getSZ(dbgAddr, 11) + '"'; + s = s.replace('^' + sAddr, sReplace); + i += sReplace.length; + continue; + } + i++; + } + return s; + }; + + /** + * message(sMessage, fAddress) + * + * @this {DebuggerPDP11} + * @param {string} sMessage is any caller-defined message string + * @param {boolean} [fAddress] is true to display the current CS:IP + */ + DebuggerPDP11.prototype.message = function(sMessage, fAddress) + { + if (fAddress) { + sMessage += " at " + this.toHexAddr(this.newAddr(this.cpu.getPC())); + } + + if (this.bitsMessage & MessagesPDP11.BUFFER) { + this.aMessageBuffer.push(sMessage); + return; + } + + if (this.sMessagePrev && sMessage == this.sMessagePrev) return; + this.sMessagePrev = sMessage; + + if (this.bitsMessage & MessagesPDP11.HALT) { + this.stopCPU(); + sMessage += " (cpu halted)"; + } + + this.println(sMessage); // + " (" + this.cpu.getCycles() + " cycles)" + + /* + * We have no idea what the frequency of println() calls might be; all we know is that they easily + * screw up the CPU's careful assumptions about cycles per burst. So we call yieldCPU() after every + * message, to effectively end the current burst and start fresh. + * + * TODO: See CPUPDP11.calcStartTime() for a discussion of why we might want to call yieldCPU() *before* + * we display the message. + */ + if (this.cpu) this.cpu.yieldCPU(); + }; + + /** + * init() + * + * @this {DebuggerPDP11} + */ + DebuggerPDP11.prototype.init = function() + { + this.println("Type ? for help with PDP11 Debugger commands"); + this.updateStatus(); + if (this.sInitCommands) { + var sCmds = this.sInitCommands; + this.sInitCommands = null; + this.doCommands(sCmds); + } + }; + + /** + * historyInit(fQuiet) + * + * This function is intended to be called by the constructor, reset(), addBreakpoint(), findBreakpoint() + * and any other function that changes the checksEnabled() criteria used to decide whether checkInstruction() + * should be called. + * + * That is, if the history arrays need to be allocated and haven't already been allocated, then allocate them, + * and if the arrays are no longer needed, then deallocate them. + * + * @this {DebuggerPDP11} + * @param {boolean} [fQuiet] + */ + DebuggerPDP11.prototype.historyInit = function(fQuiet) + { + var i; + if (!this.checksEnabled()) { + if (this.aOpcodeHistory && this.aOpcodeHistory.length && !fQuiet) { + this.println("instruction history buffer freed"); + } + this.iOpcodeHistory = 0; + this.aOpcodeHistory = []; + this.aaOpcodeCounts = []; + return; + } + if (!this.aOpcodeHistory || !this.aOpcodeHistory.length) { + this.aOpcodeHistory = new Array(DebuggerPDP11.HISTORY_LIMIT); + for (i = 0; i < this.aOpcodeHistory.length; i++) { + /* + * Preallocate dummy Addr (Array) objects in every history slot, so that + * checkInstruction() doesn't need to call newAddr() on every slot update. + */ + this.aOpcodeHistory[i] = this.newAddr(); + } + this.iOpcodeHistory = 0; + if (!fQuiet) { + this.println("instruction history buffer allocated"); + } + } + if (!this.aaOpcodeCounts || !this.aaOpcodeCounts.length) { + this.aaOpcodeCounts = new Array(256); + for (i = 0; i < this.aaOpcodeCounts.length; i++) { + this.aaOpcodeCounts[i] = [i, 0]; + } + } + }; + + /** + * runCPU(fUpdateFocus) + * + * @this {DebuggerPDP11} + * @param {boolean} [fUpdateFocus] is true to update focus + * @return {boolean} true if run request successful, false if not + */ + DebuggerPDP11.prototype.runCPU = function(fUpdateFocus) + { + if (!this.isCPUAvail()) return false; + this.cpu.runCPU(fUpdateFocus); + return true; + }; + + /** + * stepCPU(nCycles, fRegs, fUpdateCPU) + * + * @this {DebuggerPDP11} + * @param {number} nCycles (0 for one instruction without checking breakpoints) + * @param {boolean} [fRegs] is true to display registers after step (default is false) + * @param {boolean} [fUpdateCPU] is false to disable calls to updateCPU() (default is true) + * @return {boolean} + */ + DebuggerPDP11.prototype.stepCPU = function(nCycles, fRegs, fUpdateCPU) + { + if (!this.isCPUAvail()) return false; + + this.nCycles = 0; + + if (!nCycles) { + /* + * When single-stepping, the CPU won't call checkInstruction(), which is good for + * avoiding breakpoints, but bad for instruction data collection if checks are enabled. + * So we call checkInstruction() ourselves. + */ + if (this.checksEnabled()) this.checkInstruction(this.cpu.getPC(), 0); + } + try { + var nCyclesStep = this.cpu.stepCPU(nCycles); + if (nCyclesStep > 0) { + this.nCycles += nCyclesStep; + this.cpu.addCycles(nCyclesStep, true); + this.cpu.updateChecksum(nCyclesStep); + this.cOpcodes++; + } + } + catch(exception) { + if (typeof exception != "number") { + var e = exception; + this.nCycles = 0; + this.cpu.setError(e.stack || e.message); + } + } + + /* + * Because we called cpu.stepCPU() and not cpu.runCPU(), we must nudge the cpu's update code, + * and then update our own state. Normally, the only time fUpdateCPU will be false is when doTrace() + * is calling us in a loop, in which case it will perform its own updateCPU() when it's done. + */ + if (fUpdateCPU !== false) this.cpu.updateCPU(); + + this.updateStatus(fRegs || false); + return (this.nCycles > 0); + }; + + /** + * stopCPU() + * + * @this {DebuggerPDP11} + * @param {boolean} [fComplete] + */ + DebuggerPDP11.prototype.stopCPU = function(fComplete) + { + if (this.cpu) this.cpu.stopCPU(fComplete); + }; + + /** + * updateStatus(fRegs) + * + * @this {DebuggerPDP11} + * @param {boolean} [fRegs] (default is true) + */ + DebuggerPDP11.prototype.updateStatus = function(fRegs) + { + if (fRegs === undefined) fRegs = true; + + this.dbgAddrNextCode = this.newAddr(this.cpu.getPC()); + /* + * this.nStep used to be a simple boolean, but now it's 0 (or undefined) + * if inactive, 1 if stepping over an instruction without a register dump, or 2 + * if stepping over an instruction with a register dump. + */ + if (!fRegs || this.nStep == 1) + this.doUnassemble(); + else { + this.doRegisters(); + } + }; + + /** + * isCPUAvail() + * + * Make sure the CPU is ready (finished initializing), not busy (already running), and not in an error state. + * + * @this {DebuggerPDP11} + * @return {boolean} + */ + DebuggerPDP11.prototype.isCPUAvail = function() + { + if (!this.cpu) + return false; + if (!this.cpu.isReady()) + return false; + if (!this.cpu.isPowered()) + return false; + if (this.cpu.isBusy()) + return false; + return !this.cpu.isError(); + }; + + /** + * powerUp(data, fRepower) + * + * @this {DebuggerPDP11} + * @param {Object|null} data + * @param {boolean} [fRepower] + * @return {boolean} true if successful, false if failure + */ + DebuggerPDP11.prototype.powerUp = function(data, fRepower) + { + if (!fRepower) { + /* + * Because Debugger save/restore support is somewhat limited (and didn't always exist), + * we deviate from the typical save/restore design pattern: instead of reset OR restore, + * we always reset and then perform a (potentially limited) restore. + */ + this.reset(true); + + // this.println(data? "resuming" : "powering up"); + + if (data && this.restore) { + if (!this.restore(data)) return false; + } + } + return true; + }; + + /** + * powerDown(fSave, fShutdown) + * + * @this {DebuggerPDP11} + * @param {boolean} [fSave] + * @param {boolean} [fShutdown] + * @return {Object|boolean} + */ + DebuggerPDP11.prototype.powerDown = function(fSave, fShutdown) + { + if (fShutdown) this.println(fSave? "suspending" : "shutting down"); + return fSave? this.save() : true; + }; + + /** + * reset(fQuiet) + * + * This is a notification handler, called by the Computer, to inform us of a reset. + * + * @this {DebuggerPDP11} + * @param {boolean} fQuiet (true only when called from our own powerUp handler) + */ + DebuggerPDP11.prototype.reset = function(fQuiet) + { + this.historyInit(); + this.cOpcodes = this.cOpcodesStart = 0; + this.sMessagePrev = null; + this.nCycles = 0; + this.dbgAddrNextCode = this.newAddr(this.cpu.getPC()); + /* + * fRunning is set by start() and cleared by stop(). In addition, we clear + * it here, so that if the CPU is reset while running, we can prevent stop() + * from unnecessarily dumping the CPU state. + */ + this.flags.fRunning = false; + this.clearTempBreakpoint(); + if (!fQuiet) this.updateStatus(); + }; + + /** + * save() + * + * This implements (very rudimentary) save support for the Debugger component. + * + * @this {DebuggerPDP11} + * @return {Object} + */ + DebuggerPDP11.prototype.save = function() + { + var state = new State(this); + state.set(0, this.packAddr(this.dbgAddrNextCode)); + state.set(1, this.packAddr(this.dbgAddrAssemble)); + state.set(2, [this.aPrevCmds, this.fAssemble, this.bitsMessage]); + state.set(3, this.aSymbolTable); + return state.data(); + }; + + /** + * restore(data) + * + * This implements (very rudimentary) restore support for the Debugger component. + * + * @this {DebuggerPDP11} + * @param {Object} data + * @return {boolean} true if successful, false if failure + */ + DebuggerPDP11.prototype.restore = function(data) + { + var i = 0; + if (data[2] !== undefined) { + this.dbgAddrNextCode = this.unpackAddr(data[i++]); + this.dbgAddrAssemble = this.unpackAddr(data[i++]); + this.aPrevCmds = data[i][0]; + if (typeof this.aPrevCmds == "string") this.aPrevCmds = [this.aPrevCmds]; + this.fAssemble = data[i][1]; + this.bitsMessage |= data[i][2]; // keep our current message bits set, and simply "add" any extra bits defined by the saved state + } + if (data[3]) this.aSymbolTable = data[3]; + return true; + }; + + /** + * start(ms, nCycles) + * + * This is a notification handler, called by the Computer, to inform us the CPU has started. + * + * @this {DebuggerPDP11} + * @param {number} ms + * @param {number} nCycles + */ + DebuggerPDP11.prototype.start = function(ms, nCycles) + { + if (!this.nStep) this.println("running"); + this.flags.fRunning = true; + this.msStart = ms; + this.nCyclesStart = nCycles; + }; + + /** + * stop(ms, nCycles) + * + * This is a notification handler, called by the Computer, to inform us the CPU has now stopped. + * + * @this {DebuggerPDP11} + * @param {number} ms + * @param {number} nCycles + */ + DebuggerPDP11.prototype.stop = function(ms, nCycles) + { + if (this.flags.fRunning) { + this.flags.fRunning = false; + this.nCycles = nCycles - this.nCyclesStart; + if (!this.nStep) { + var sStopped = "stopped"; + if (this.nCycles) { + var msTotal = ms - this.msStart; + var nCyclesPerSecond = (msTotal > 0? Math.round(this.nCycles * 1000 / msTotal) : 0); + sStopped += " ("; + if (this.checksEnabled()) { + sStopped += this.cOpcodes + " opcodes, "; + /* + * $ops displays progress by calculating cOpcodes - cOpcodesStart, so before + * zeroing cOpcodes, we should subtract cOpcodes from cOpcodesStart (since we're + * effectively subtracting cOpcodes from cOpcodes as well). + */ + this.cOpcodesStart -= this.cOpcodes; + this.cOpcodes = 0; + } + sStopped += this.nCycles + " cycles, " + msTotal + " ms, " + nCyclesPerSecond + " hz)"; + } else { + if (this.messageEnabled(MessagesPDP11.HALT)) { + /* + * It's possible the user is trying to 'g' past a fault that was blocked by helpCheckFault() + * for the Debugger's benefit; if so, it will continue to be blocked, so try displaying a helpful + * message (another helpful tip would be to simply turn off the "halt" message category). + */ + sStopped += " (use the 't' command to execute blocked faults)"; + } + } + this.println(sStopped); + } + this.updateStatus(true); + this.updateFocus(); + this.clearTempBreakpoint(this.cpu.getPC()); + } + }; + + /** + * checksEnabled(fRelease) + * + * This "check" function is called by the CPU; we indicate whether or not every instruction needs to be checked. + * + * Originally, this returned true even when there were only read and/or write breakpoints, but those breakpoints + * no longer require the intervention of checkInstruction(); the Bus component automatically swaps in/out appropriate + * "checked" Memory access functions to deal with those breakpoints in the corresponding Memory blocks. So I've + * simplified the test below. + * + * @this {DebuggerPDP11} + * @param {boolean} [fRelease] is true for release criteria only; default is false (any criteria) + * @return {boolean} true if every instruction needs to pass through checkInstruction(), false if not + */ + DebuggerPDP11.prototype.checksEnabled = function(fRelease) + { + return ((DEBUG && !fRelease)? true : (this.aBreakExec.length > 1 || !!this.nBreakIns)); + }; + + /** + * checkInstruction(addr, nState) + * + * This "check" function is called by the CPU to inform us about the next instruction to be executed, + * giving us an opportunity to look for "exec" breakpoints and update opcode frequencies and instruction history. + * + * @this {DebuggerPDP11} + * @param {number} addr + * @param {number} nState is < 0 if stepping, 0 if starting, or > 0 if running + * @return {boolean} true if breakpoint hit, false if not + */ + DebuggerPDP11.prototype.checkInstruction = function(addr, nState) + { + var cpu = this.cpu; + + if (nState > 0) { + if (this.nBreakIns && !--this.nBreakIns) { + return true; + } + if (this.checkBreakpoint(addr, 1, this.aBreakExec)) { + return true; + } + } + + /* + * The rest of the instruction tracking logic can only be performed if historyInit() has allocated the + * necessary data structures. Note that there is no explicit UI for enabling/disabling history, other than + * adding/removing breakpoints, simply because it's breakpoints that trigger the call to checkInstruction(); + * well, OK, and a few other things now, like enabling MessagesPDP11.INT messages. + */ + if (nState >= 0 && this.aaOpcodeCounts.length) { + this.cOpcodes++; + var bOpcode = this.bus.getByteDirect(addr); + if (bOpcode != null) { + this.aaOpcodeCounts[bOpcode][1]++; + var dbgAddr = this.aOpcodeHistory[this.iOpcodeHistory]; + this.setAddr(dbgAddr, cpu.getPC()); + if (DEBUG) dbgAddr.cycleCount = cpu.getCycles(); + if (++this.iOpcodeHistory == this.aOpcodeHistory.length) this.iOpcodeHistory = 0; + } + } + return false; + }; + + /** + * checkMemoryRead(addr, nb) + * + * This "check" function is called by a Memory block to inform us that a memory read occurred, giving us an + * opportunity to track the read if we want, and look for a matching "read" breakpoint, if any. + * + * In the "old days", it would be an error for this call to fail to find a matching Debugger breakpoint, but now + * Memory blocks have no idea whether the Debugger or the machine's Debug register(s) triggered this "checked" read. + * + * If we return true, we "trump" the machine's Debug register(s); false allows normal Debug register processing. + * + * @this {DebuggerPDP11} + * @param {number} addr + * @param {number} [nb] (# of bytes; default is 1) + * @return {boolean} true if breakpoint hit, false if not + */ + DebuggerPDP11.prototype.checkMemoryRead = function(addr, nb) + { + if (this.checkBreakpoint(addr, nb || 1, this.aBreakRead)) { + this.stopCPU(true); + return true; + } + return false; + }; + + /** + * checkMemoryWrite(addr, nb) + * + * This "check" function is called by a Memory block to inform us that a memory write occurred, giving us an + * opportunity to track the write if we want, and look for a matching "write" breakpoint, if any. + * + * In the "old days", it would be an error for this call to fail to find a matching Debugger breakpoint, but now + * Memory blocks have no idea whether the Debugger or the machine's Debug register(s) triggered this "checked" write. + * + * If we return true, we "trump" the machine's Debug register(s); false allows normal Debug register processing. + * + * @this {DebuggerPDP11} + * @param {number} addr + * @param {number} [nb] (# of bytes; default is 1) + * @return {boolean} true if breakpoint hit, false if not + */ + DebuggerPDP11.prototype.checkMemoryWrite = function(addr, nb) + { + if (this.checkBreakpoint(addr, nb || 1, this.aBreakWrite)) { + this.stopCPU(true); + return true; + } + return false; + }; + + /** + * clearBreakpoints() + * + * @this {DebuggerPDP11} + */ + DebuggerPDP11.prototype.clearBreakpoints = function() + { + var i, dbgAddr; + this.aBreakExec = ["bp"]; + if (this.aBreakRead !== undefined) { + for (i = 1; i < this.aBreakRead.length; i++) { + dbgAddr = this.aBreakRead[i]; + this.bus.removeMemBreak(this.getAddr(dbgAddr), false); + } + } + this.aBreakRead = ["br"]; + if (this.aBreakWrite !== undefined) { + for (i = 1; i < this.aBreakWrite.length; i++) { + dbgAddr = this.aBreakWrite[i]; + this.bus.removeMemBreak(this.getAddr(dbgAddr), true); + } + } + this.aBreakWrite = ["bw"]; + /* + * nSuppressBreaks ensures we can't get into an infinite loop where a breakpoint lookup requires + * reading a segment descriptor via getSegment(), and that triggers more memory reads, which triggers + * more breakpoint checks. + */ + this.nSuppressBreaks = 0; + }; + + /** + * addBreakpoint(aBreak, dbgAddr, fTemporary) + * + * In case you haven't already figured this out, all our breakpoint commands use the address + * to identify a breakpoint, not an incrementally assigned breakpoint index like other debuggers; + * see doBreak() for details. + * + * This has a few implications, one being that you CANNOT set more than one kind of breakpoint + * on a single address. In practice, that's rarely a problem, because you can almost always set + * a different breakpoint on a neighboring address. + * + * Also, there is one exception to the "one address, one breakpoint" rule, and that involves + * temporary breakpoints (ie, one-time execution breakpoints that either a "p" or "g" command + * may create to step over a chunk of code). Those breakpoints automatically clear themselves, + * so there usually isn't any need to refer to them using breakpoint commands. + * + * TODO: Consider supporting the more "traditional" breakpoint index syntax; the current + * address-based syntax was implemented solely for expediency and consistency. At the same time, + * also consider a more WDEB386-like syntax, where "br" is used to set a variety of access-specific + * breakpoints, using modifiers like "r1", "r2", "w1", "w2, etc. + * + * @this {DebuggerPDP11} + * @param {Array} aBreak + * @param {DbgAddrPDP11} dbgAddr + * @param {boolean} [fTemporary] + * @return {boolean} true if breakpoint added, false if already exists + */ + DebuggerPDP11.prototype.addBreakpoint = function(aBreak, dbgAddr, fTemporary) + { + var fSuccess = true; + + // this.nSuppressBreaks++; + + /* + * Instead of complaining that a breakpoint already exists (as we used to do), we now + * allow breakpoints to be re-set; this makes it easier to update any commands that may + * be associated with the breakpoint. + * + * The only exception: we DO allow a temporary breakpoint at an address where there may + * already be a breakpoint, so that you can easily step ("p" or "g") over such addresses. + */ + if (!fTemporary) { + this.findBreakpoint(aBreak, dbgAddr, true, false, true); + } + + if (aBreak != this.aBreakExec) { + var addr = this.getAddr(dbgAddr); + if (addr === CPUDefPDP11.ADDR_INVALID) { + this.println("invalid address: " + this.toHexAddr(dbgAddr)); + fSuccess = false; + } else { + this.bus.addMemBreak(addr, aBreak == this.aBreakWrite); + } + } + + if (fSuccess) { + aBreak.push(dbgAddr); + if (fTemporary) { + dbgAddr.fTemporary = true; + } + else { + this.printBreakpoint(aBreak, aBreak.length-1, "set"); + this.historyInit(); + } + } + + // this.nSuppressBreaks--; + + return fSuccess; + }; + + /** + * findBreakpoint(aBreak, dbgAddr, fRemove, fTemporary, fQuiet) + * + * @this {DebuggerPDP11} + * @param {Array} aBreak + * @param {DbgAddrPDP11} dbgAddr + * @param {boolean} [fRemove] + * @param {boolean} [fTemporary] + * @param {boolean} [fQuiet] + * @return {boolean} true if found, false if not + */ + DebuggerPDP11.prototype.findBreakpoint = function(aBreak, dbgAddr, fRemove, fTemporary, fQuiet) + { + var fFound = false; + var addr = this.getAddr(dbgAddr); + for (var i = 1; i < aBreak.length; i++) { + var dbgAddrBreak = aBreak[i]; + if (addr == this.getAddr(dbgAddrBreak)) { + if (!fTemporary || dbgAddrBreak.fTemporary) { + fFound = true; + if (fRemove) { + if (!dbgAddrBreak.fTemporary && !fQuiet) { + this.printBreakpoint(aBreak, i, "cleared"); + } + aBreak.splice(i, 1); + if (aBreak != this.aBreakExec) { + this.bus.removeMemBreak(addr, aBreak == this.aBreakWrite); + } + /* + * We'll mirror the logic in addBreakpoint() and leave the history buffer alone if this + * was a temporary breakpoint. + */ + if (!dbgAddrBreak.fTemporary) { + this.historyInit(); + } + break; + } + if (!fQuiet) this.printBreakpoint(aBreak, i, "exists"); + break; + } + } + } + return fFound; + }; + + /** + * listBreakpoints(aBreak) + * + * @this {DebuggerPDP11} + * @param {Array} aBreak + * @return {number} of breakpoints listed, 0 if none + */ + DebuggerPDP11.prototype.listBreakpoints = function(aBreak) + { + for (var i = 1; i < aBreak.length; i++) { + this.printBreakpoint(aBreak, i); + } + return aBreak.length - 1; + }; + + /** + * printBreakpoint(aBreak, i, sAction) + * + * @this {DebuggerPDP11} + * @param {Array} aBreak + * @param {number} i + * @param {string} [sAction] + */ + DebuggerPDP11.prototype.printBreakpoint = function(aBreak, i, sAction) + { + var dbgAddr = aBreak[i]; + this.println(aBreak[0] + ' ' + this.toHexAddr(dbgAddr) + (sAction? (' ' + sAction) : (dbgAddr.sCmd? (' "' + dbgAddr.sCmd + '"') : ''))); + }; + + /** + * setTempBreakpoint(dbgAddr) + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr of new temp breakpoint + */ + DebuggerPDP11.prototype.setTempBreakpoint = function(dbgAddr) + { + this.addBreakpoint(this.aBreakExec, dbgAddr, true); + }; + + /** + * clearTempBreakpoint(addr) + * + * @this {DebuggerPDP11} + * @param {number|undefined} [addr] clear all temp breakpoints if no address specified + */ + DebuggerPDP11.prototype.clearTempBreakpoint = function(addr) + { + if (addr !== undefined) { + this.checkBreakpoint(addr, 1, this.aBreakExec, true); + this.nStep = 0; + } else { + for (var i = 1; i < this.aBreakExec.length; i++) { + var dbgAddrBreak = this.aBreakExec[i]; + if (dbgAddrBreak.fTemporary) { + if (!this.findBreakpoint(this.aBreakExec, dbgAddrBreak, true, true)) break; + i = 0; + } + } + } + }; + + /** + * checkBreakpoint(addr, nb, aBreak, fTemporary) + * + * @this {DebuggerPDP11} + * @param {number} addr + * @param {number} nb (# of bytes) + * @param {Array} aBreak + * @param {boolean} [fTemporary] + * @return {boolean} true if breakpoint has been hit, false if not + */ + DebuggerPDP11.prototype.checkBreakpoint = function(addr, nb, aBreak, fTemporary) + { + /* + * Time to check for execution breakpoints; note that this should be done BEFORE updating frequency + * or history data (see checkInstruction), since we might not actually execute the current instruction. + */ + var fBreak = false; + + if (!this.nSuppressBreaks++) { + + for (var i = 1; !fBreak && i < aBreak.length; i++) { + + var dbgAddrBreak = aBreak[i]; + + if (fTemporary && !dbgAddrBreak.fTemporary) continue; + + /* + * We used to calculate the linear address of the breakpoint at the time the + * breakpoint was added, so that a breakpoint set in one mode (eg, in real-mode) + * would still work as intended if the mode changed later (eg, to protected-mode). + * + * However, that created difficulties setting protected-mode breakpoints in segments + * that might not be defined yet, or that could move in physical memory. + * + * If you want to create a real-mode breakpoint that will break regardless of mode, + * use the physical address of the real-mode memory location instead. + */ + var addrBreak = this.getAddr(dbgAddrBreak); + for (var n = 0; n < nb; n++) { + if (addr + n == addrBreak) { + var a; + fBreak = true; + if (dbgAddrBreak.fTemporary) { + this.findBreakpoint(aBreak, dbgAddrBreak, true, true); + fTemporary = true; + } + if (a = dbgAddrBreak.aCmds) { + /* + * When one or more commands are attached to a breakpoint, we don't halt by default. + * Instead, we set fBreak to true only if, at the completion of all the commands, the + * CPU is halted; in other words, you should include "h" as one of the breakpoint commands + * if you want the breakpoint to stop execution. + * + * Another useful command is "if", which will return false if the expression is false, + * at which point we'll jump ahead to the next "else" command, and if there isn't an "else", + * we abort. + */ + fBreak = false; + for (var j = 0; j < a.length; j++) { + if (!this.doCommand(a[j], true)) { + if (a[j].indexOf("if")) { + fBreak = true; // the failed command wasn't "if", so abort + break; + } + var k = j + 1; + for (; k < a.length; k++) { + if (!a[k].indexOf("else")) break; + j++; + } + if (k == a.length) { // couldn't find an "else" after the "if", so abort + fBreak = true; + break; + } + /* + * If we're still here, we'll execute the "else" command (which is just a no-op), + * followed by any remaining commands. + */ + } + } + if (!this.cpu.isRunning()) fBreak = true; + } + if (fBreak) { + if (!fTemporary) this.printBreakpoint(aBreak, i, "hit"); + break; + } + } + } + } + } + + this.nSuppressBreaks--; + + return fBreak; + }; + + /** + * getInstruction(dbgAddr, sComment, nSequence) + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @param {string} [sComment] is an associated comment + * @param {number} [nSequence] is an associated sequence number, undefined if none + * @return {string} (and dbgAddr is updated to the next instruction) + */ + DebuggerPDP11.prototype.getInstruction = function(dbgAddr, sComment, nSequence) + { + var dbgAddrIns = this.newAddr(dbgAddr.addr); + + var bOpcode = this.getByte(dbgAddr, 1); + + var asOpcodes = DebuggerPDP11.INS_NAMES; + var aOpDesc = this.aaOpDescs[bOpcode] || [DebuggerPDP11.INS.NONE]; + var iIns = aOpDesc[0]; + + var sOperands = ""; + var sOpcode = asOpcodes[iIns]; + var cOperands = aOpDesc.length - 1; + var typeSizeDefault = DebuggerPDP11.TYPE_NONE, type; + + for (var iOperand = 1; iOperand <= cOperands; iOperand++) { + + var disp, off, cch; + var sOperand = ""; + + type = aOpDesc[iOperand]; + if (type === undefined) continue; + + var typeMode = type & DebuggerPDP11.TYPE_MODE; + if (!typeMode) continue; + + var typeSize = type & DebuggerPDP11.TYPE_SIZE; + if (!typeSize) { + type |= typeSizeDefault; + } else { + typeSizeDefault = typeSize; + } + + var typeOther = type & DebuggerPDP11.TYPE_OTHER; + if (!typeOther) { + type |= (iOperand == 1? DebuggerPDP11.TYPE_OUT : DebuggerPDP11.TYPE_IN); + } + + if (typeMode & DebuggerPDP11.TYPE_IMM) { + sOperand = this.getImmOperand(type, dbgAddr); + } + else if (typeMode & DebuggerPDP11.TYPE_REG) { + sOperand = this.getRegOperand((type & DebuggerPDP11.TYPE_IREG) >> 8, type, dbgAddr); + } + else if (typeMode & DebuggerPDP11.TYPE_INT) { + sOperand = ((bOpcode >> 3) & 0x7).toString(); + } + + if (!sOperand || !sOperand.length) { + sOperands = "INVALID"; + break; + } + if (sOperands.length > 0) sOperands += ','; + sOperands += (sOperand || "???"); + } + + var sBytes = ""; + var sLine = this.toHexAddr(dbgAddrIns) + ' '; + if (dbgAddrIns.addr !== CPUDefPDP11.ADDR_INVALID && dbgAddr.addr !== CPUDefPDP11.ADDR_INVALID) { + do { + sBytes += str.toHex(this.getByte(dbgAddrIns, 1), 2); + if (dbgAddrIns.addr == null) break; + } while (dbgAddrIns.addr != dbgAddr.addr); + } + + sLine += str.pad(sBytes, 10); + sLine += (type & DebuggerPDP11.TYPE_UNDOC)? '*' : ' '; + sLine += str.pad(sOpcode, 7); + if (sOperands) sLine += ' ' + sOperands; + + if (sComment) { + sLine = str.pad(sLine, 40) + ';' + sComment; + if (!this.cpu.flags.fChecksum) { + sLine += (nSequence != null? '=' + nSequence.toString() : ""); + } else { + var nCycles = this.cpu.getCycles(); + sLine += "cycles=" + nCycles.toString() + " cs=" + str.toHex(this.cpu.nChecksum); + } + } + return sLine; + }; + + /** + * getImmOperand(type, dbgAddr) + * + * @this {DebuggerPDP11} + * @param {number} type + * @param {DbgAddrPDP11} dbgAddr + * @return {string} operand + */ + DebuggerPDP11.prototype.getImmOperand = function(type, dbgAddr) + { + var sOperand = ' '; + var typeSize = type & DebuggerPDP11.TYPE_SIZE; + + switch (typeSize) { + case DebuggerPDP11.TYPE_BYTE: + sOperand = str.toHex(this.getByte(dbgAddr, 1), 2); + break; + case DebuggerPDP11.TYPE_SBYTE: + sOperand = str.toHex((this.getByte(dbgAddr, 1) << 24) >> 24, 4); + break; + case DebuggerPDP11.TYPE_WORD: + sOperand = str.toHex(this.getShort(dbgAddr, 2), 4); + break; + default: + return "imm(" + str.toHexWord(type) + ')'; + } + if (type & DebuggerPDP11.TYPE_MEM) { + sOperand = '[' + sOperand + ']'; + } else if (!(type & DebuggerPDP11.TYPE_REG)) { + sOperand = "0x" + sOperand; + } + return sOperand; + }; + + /** + * getRegOperand(iReg, type, dbgAddr) + * + * @this {DebuggerPDP11} + * @param {number} iReg + * @param {number} type + * @param {DbgAddrPDP11} dbgAddr + * @return {string} operand + */ + DebuggerPDP11.prototype.getRegOperand = function(iReg, type, dbgAddr) + { + return DebuggerPDP11.REGS[iReg]; + }; + + /** + * parseInstruction(sOp, sOperand, addr) + * + * TODO: Unimplemented. See parseInstruction() in modules/c1pjs/lib/debugger.js for a working implementation. + * + * @this {DebuggerPDP11} + * @param {string} sOp + * @param {string|undefined} sOperand + * @param {DbgAddrPDP11} dbgAddr of memory where this instruction is being assembled + * @return {Array.} of opcode bytes; if the instruction can't be parsed, the array will be empty + */ + DebuggerPDP11.prototype.parseInstruction = function(sOp, sOperand, dbgAddr) + { + var aOpBytes = []; + this.println("not supported yet"); + return aOpBytes; + }; + + /** + * getFlagOutput(sFlag) + * + * @this {DebuggerPDP11} + * @param {string} sFlag + * @return {string} value of flag + */ + DebuggerPDP11.prototype.getFlagOutput = function(sFlag) + { + var b; + switch (sFlag) { + case "IF": + b = this.cpu.getIF(); + break; + case "SF": + b = this.cpu.getSF(); + break; + case "ZF": + b = this.cpu.getZF(); + break; + case "CF": + b = this.cpu.getCF(); + break; + default: + b = 0; + break; + } + return sFlag.charAt(0) + (b? '1' : '0') + ' '; + }; + + /** + * getRegOutput(iReg) + * + * @this {DebuggerPDP11} + * @param {number} iReg + * @return {string} + */ + DebuggerPDP11.prototype.getRegOutput = function(iReg) + { + var sReg = DebuggerPDP11.REGS[iReg]; + return sReg + '=' + this.getRegString(iReg) + ' '; + }; + + /** + * getRegDump() + * + * @this {DebuggerPDP11} + * @return {string} + */ + DebuggerPDP11.prototype.getRegDump = function() + { + return "no regs"; + }; + + DebuggerPDP11.aBinOpPrecedence = { + '||': 0, // logical OR + '&&': 1, // logical AND + '|': 2, // bitwise OR + '^': 3, // bitwise XOR + '&': 4, // bitwise AND + '!=': 5, // inequality + '==': 5, // equality + '>=': 6, // greater than or equal to + '>': 6, // greater than + '<=': 6, // less than or equal to + '<': 6, // less than + '>>>': 7, // unsigned bitwise right shift + '>>': 7, // bitwise right shift + '<<': 7, // bitwise left shift + '-': 8, // subtraction + '+': 8, // addition + '%': 9, // remainder + '/': 9, // division + '*': 9 // multiplication + }; + + /** + * evalExpression(aVals, aOps, cOps) + * + * In Node, if you set a variable to 0x80000001; ie: + * + * foo=0x80000001|0 + * + * and then calculate foo*foo using "(foo*foo).toString(2)", the result is: + * + * '11111111111111111111111111111100000000000000000000000000000000' + * + * which is slightly incorrect because it has overflowed JavaScript's floating-point precision. + * + * 0x80000001 in decimal is -2147483647, so the product is 4611686014132420609, which is 0x3FFFFFFF00000001. + * + * @this {DebuggerPDP11} + * @param {Array.} aVals + * @param {Array.} aOps + * @param {number} [cOps] (default is all) + * @return {boolean} true if successful, false if error + */ + DebuggerPDP11.prototype.evalExpression = function(aVals, aOps, cOps) + { + cOps = cOps || -1; + while (cOps-- && aOps.length) { + var chOp = aOps.pop(); + if (aVals.length < 2) return false; + var valNew; + var val2 = aVals.pop(); + var val1 = aVals.pop(); + switch(chOp) { + case '*': + valNew = val1 * val2; + break; + case '/': + if (!val2) return false; + valNew = val1 / val2; + break; + case '%': + if (!val2) return false; + valNew = val1 % val2; + break; + case '+': + valNew = val1 + val2; + break; + case '-': + valNew = val1 - val2; + break; + case '<<': + valNew = val1 << val2; + break; + case '>>': + valNew = val1 >> val2; + break; + case '>>>': + valNew = val1 >>> val2; + break; + case '<': + valNew = (val1 < val2? 1 : 0); + break; + case '<=': + valNew = (val1 <= val2? 1 : 0); + break; + case '>': + valNew = (val1 > val2? 1 : 0); + break; + case '>=': + valNew = (val1 >= val2? 1 : 0); + break; + case '==': + valNew = (val1 == val2? 1 : 0); + break; + case '!=': + valNew = (val1 != val2? 1 : 0); + break; + case '&': + valNew = val1 & val2; + break; + case '^': + valNew = val1 ^ val2; + break; + case '|': + valNew = val1 | val2; + break; + case '&&': + valNew = (val1 && val2? 1 : 0); + break; + case '||': + valNew = (val1 || val2? 1 : 0); + break; + default: + return false; + } + aVals.push(valNew|0); + } + return true; + }; + + /** + * parseExpression(sExp, fPrint) + * + * A quick-and-dirty expression parser. It takes an expression like: + * + * EDX+EDX*4+12345678 + * + * and builds a value stack in aVals and a "binop" (binary operator) stack in aOps: + * + * aVals aOps + * ----- ---- + * EDX + + * EDX * + * 4 + + * ... + * + * We pop 1 "binop" from aOps and 2 values from aVals whenever a "binop" of lower priority than its + * predecessor is encountered, evaluate, and push the result back onto aVals. + * + * Unary operators like '~' and ternary operators like '?:' are not supported; neither are parentheses. + * + * However, parseReference() now makes it possible to write parenthetical-style sub-expressions by using + * {...} (braces), as well as address references by using [...] (brackets). + * + * Why am I using braces instead of parentheses for sub-expressions? Because parseReference() serves + * multiple purposes, the other being reference replacement in message strings passing through replaceRegs(), + * and I didn't want parentheses taking on a new meaning in message strings. + * + * @this {DebuggerPDP11} + * @param {string|undefined} sExp + * @param {boolean} [fPrint] is true to print all resolved values, false for quiet parsing + * @return {number|undefined} numeric value, or undefined if sExp contains any undefined or invalid values + */ + DebuggerPDP11.prototype.parseExpression = function(sExp, fPrint) + { + var value; + + if (sExp) { + /* + * First process (and eliminate) any references, aka sub-expressions. + */ + sExp = this.parseReference(sExp); + + var i = 0; + var fError = false; + var sExpOrig = sExp; + var aVals = [], aOps = []; + /* + * All browsers (including, I believe, IE9 and up) support the following idiosyncrasy of a regexp split(): + * when the regexp uses a capturing pattern, the resulting array will include entries for all the pattern + * matches along with the non-matches. This effectively means that, in the set of expressions that we + * support, all even entries in asValues will contain "values" and all odd entries will contain "operators". + * + * And although I tried to list the supported operators in "precedential" order, bitwise operators must + * be out-of-order so that we don't mistakenly match either '>' or '<' when they're part of '>>' or '<<'. + */ + var regExp = /(\|\||&&|\||^|&|!=|==|>=|>>>|>>|>|<=|<<|<|-|\+|%|\/|\*)/; + var asValues = sExp.split(regExp); + while (i < asValues.length) { + var sValue = asValues[i++]; + var cchValue = sValue.length; + var s = str.trim(sValue); + if (!s) { + fError = true; + break; + } + var v = this.parseValue(s, null, fPrint === false); + if (v === undefined) { + fError = true; + fPrint = false; + break; + } + aVals.push(v); + if (i == asValues.length) break; + var sOp = asValues[i++], cchOp = sOp.length; + this.assert(DebuggerPDP11.aBinOpPrecedence[sOp] != null); + if (aOps.length && DebuggerPDP11.aBinOpPrecedence[sOp] < DebuggerPDP11.aBinOpPrecedence[aOps[aOps.length-1]]) { + this.evalExpression(aVals, aOps, 1); + } + aOps.push(sOp); + sExp = sExp.substr(cchValue + cchOp); + } + if (!this.evalExpression(aVals, aOps) || aVals.length != 1) { + fError = true; + } + if (!fError) { + value = aVals.pop(); + if (fPrint) this.printValue(null, value); + } else { + if (fPrint) this.println("error parsing '" + sExpOrig + "' at character " + (sExpOrig.length - sExp.length)); + } + } + return value; + }; + + /** + * parseReference(s) + * + * Returns the given string with any "{expression}" sequences replaced with the value of the expression, + * and any "[address]" references replaced with the contents of the address. Expressions are parsed BEFORE + * addresses. Owing to this function's simplistic parsing, nested braces/brackets are not supported + * (define intermediate variables if needed). + * + * @this {DebuggerPDP11} + * @param {string} s + * @return {string} + */ + DebuggerPDP11.prototype.parseReference = function(s) + { + var a; + while (a = s.match(/\{(.*?)}/)) { + if (a[1].indexOf('{') >= 0) break; // unsupported nested brace(s) + var value = this.parseExpression(a[1]); + s = s.replace('{' + a[1] + '}', value != null? str.toHex(value) : "undefined"); + } + while (a = s.match(/\[(.*?)]/)) { + if (a[1].indexOf('[') >= 0) break; // unsupported nested bracket(s) + var dbgAddr = this.parseAddr(a[1]); + s = s.replace('[' + a[1] + ']', dbgAddr? str.toHex(this.getWord(dbgAddr), 4) : "undefined"); + } + return this.parseSysVars(s); + }; + + /** + * parseSysVars(s) + * + * Returns the given string with any recognized "$var" replaced with its value; eg: + * + * $ops: the number of opcodes executed since the last time it was displayed (or reset) + * + * @this {DebuggerPDP11} + * @param {string} s + * @return {string} + */ + DebuggerPDP11.prototype.parseSysVars = function(s) + { + var a; + while (a = s.match(/\$([a-z]+)/i)) { + var v = null; + switch(a[1].toLowerCase()) { + case "ops": + v = this.cOpcodes - this.cOpcodesStart; + break; + } + if (v == null) break; + s = s.replace(a[0], v.toString()); + } + return s; + }; + + /** + * parseValue(sValue, sName, fQuiet) + * + * @this {DebuggerPDP11} + * @param {string|undefined} sValue + * @param {string|null} [sName] is the name of the value, if any + * @param {boolean} [fQuiet] + * @return {number|undefined} numeric value, or undefined if sValue is either undefined or invalid + */ + DebuggerPDP11.prototype.parseValue = function(sValue, sName, fQuiet) + { + var value; + if (sValue !== undefined) { + var iReg = this.getRegIndex(sValue); + if (iReg >= 0) { + value = this.getRegValue(iReg); + } else { + value = this.getVariable(sValue); + if (value === undefined) value = str.parseInt(sValue); + } + if (value === undefined && !fQuiet) this.println("invalid " + (sName? sName : "value") + ": " + sValue); + } else { + if (!fQuiet) this.println("missing " + (sName || "value")); + } + return value; + }; + + /** + * printValue(sVar, value) + * + * @this {DebuggerPDP11} + * @param {string|null} sVar + * @param {number|undefined} value + * @return {boolean} true if value defined, false if not + */ + DebuggerPDP11.prototype.printValue = function(sVar, value) + { + var sValue; + var fDefined = false; + if (value !== undefined) { + fDefined = true; + sValue = str.toHexLong(value) + " " + value + ". (" + str.toBinBytes(value) + ")"; + } + sVar = (sVar != null? (sVar + ": ") : ""); + this.println(sVar + sValue); + return fDefined; + }; + + /** + * printVariable(sVar) + * + * @this {DebuggerPDP11} + * @param {string} [sVar] + * @return {boolean} true if all value(s) defined, false if not + */ + DebuggerPDP11.prototype.printVariable = function(sVar) + { + if (sVar) { + return this.printValue(sVar, this.aVariables[sVar]); + } + var cVariables = 0; + for (sVar in this.aVariables) { + this.printValue(sVar, this.aVariables[sVar]); + cVariables++; + } + return cVariables > 0; + }; + + /** + * delVariable(sVar) + * + * @this {DebuggerPDP11} + * @param {string} sVar + */ + DebuggerPDP11.prototype.delVariable = function(sVar) + { + delete this.aVariables[sVar]; + }; + + /** + * getVariable(sVar) + * + * @this {DebuggerPDP11} + * @param {string} sVar + * @return {number|undefined} + */ + DebuggerPDP11.prototype.getVariable = function(sVar) + { + return this.aVariables[sVar]; + }; + + /** + * setVariable(sVar, value) + * + * @this {DebuggerPDP11} + * @param {string} sVar + * @param {number} value + */ + DebuggerPDP11.prototype.setVariable = function(sVar, value) + { + this.aVariables[sVar] = value; + }; + + /** + * comparePairs(p1, p2) + * + * @this {DebuggerPDP11} + * @param {number|string|Array|Object} p1 + * @param {number|string|Array|Object} p2 + * @return {number} + */ + DebuggerPDP11.prototype.comparePairs = function(p1, p2) + { + return p1[0] > p2[0]? 1 : p1[0] < p2[0]? -1 : 0; + }; + + /** + * addSymbols(sModule, addr, len, aSymbols) + * + * As filedump.js (formerly convrom.php) explains, aSymbols is a JSON-encoded object whose properties consist + * of all the symbols (in upper-case), and the values of those properties are objects containing any or all of + * the following properties: + * + * 'v': the value of an absolute (unsized) value + * 'b': either 1, 2, 4 or undefined if an unsized value + * 's': either a hard-coded segment or undefined + * 'o': the offset of the symbol within the associated address space + * 'l': the original-case version of the symbol, present only if it wasn't originally upper-case + * 'a': annotation for the specified offset; eg, the original assembly language, with optional comment + * + * To that list of properties, we also add: + * + * 'p': the physical address (calculated whenever both 's' and 'o' properties are defined) + * + * Note that values for any 'v', 'b', 's' and 'o' properties are unquoted decimal values, and the values + * for any 'l' or 'a' properties are quoted strings. Also, if double-quotes were used in any of the original + * annotation ('a') values, they will have been converted to two single-quotes, so we're responsible for + * converting them back to individual double-quotes. + * + * For example: + * { + * 'HF_PORT': { + * 'v':800 + * }, + * 'HDISK_INT': { + * 'b':4, 's':0, 'o':52 + * }, + * 'ORG_VECTOR': { + * 'b':4, 's':0, 'o':76 + * }, + * 'CMD_BLOCK': { + * 'b':1, 's':64, 'o':66 + * }, + * 'DISK_SETUP': { + * 'o':3 + * }, + * '.40': { + * 'o':40, 'a':"MOV AX,WORD PTR ORG_VECTOR ;GET DISKETTE VECTOR" + * } + * } + * + * If a symbol only has an offset, then that offset value can be assigned to the symbol property directly: + * + * 'DISK_SETUP': 3 + * + * The last property is an example of an "anonymous" entry, for offsets where there is no associated symbol. + * Such entries are identified by a period followed by a unique number (usually the offset of the entry), and + * they usually only contain offset ('o') and annotation ('a') properties. I could eliminate the leading + * period, but it offers a very convenient way of quickly discriminating among genuine vs. anonymous symbols. + * + * We add all these entries to our internal symbol table, which is an array of 4-element arrays, each of which + * look like: + * + * [addr, len, aSymbols, aOffsets] + * + * There are two basic symbol operations: findSymbol(), which takes an address and finds the symbol, if any, + * at that address, and findSymbolAddr(), which takes a string and attempts to match it to a non-anonymous + * symbol with a matching offset ('o') property. + * + * To implement findSymbol() efficiently, addSymbols() creates an array of [offset, sSymbol] pairs + * (aOffsets), one pair for each symbol that corresponds to an offset within the specified address space. + * + * We guarantee the elements of aOffsets are in offset order, because we build it using binaryInsert(); + * it's quite likely that the MAP file already ordered all its symbols in offset order, but since they're + * hand-edited files, we can't assume that, and we need to ensure that findSymbol()'s binarySearch() operates + * properly. + * + * @this {DebuggerPDP11} + * @param {string|null} sModule + * @param {number|null} addr (physical address where the symbols are located, if the memory is physical; eg, ROM) + * @param {number} len (the size of the region, in bytes) + * @param {Object} aSymbols (collection of symbols in this group; the format of this collection is described below) + */ + DebuggerPDP11.prototype.addSymbols = function(sModule, addr, len, aSymbols) + { + var dbgAddr = {}; + var aOffsets = []; + for (var sSymbol in aSymbols) { + var symbol = aSymbols[sSymbol]; + if (typeof symbol == "number") { + aSymbols[sSymbol] = symbol = {'o': symbol}; + } + var offSymbol = symbol['o']; + var sAnnotation = symbol['a']; + if (offSymbol !== undefined) { + usr.binaryInsert(aOffsets, [offSymbol >>> 0, sSymbol], this.comparePairs); + } + if (sAnnotation) symbol['a'] = sAnnotation.replace(/''/g, "\""); + } + var symbolTable = { + sModule: sModule, + addr: addr, + len: len, + aSymbols: aSymbols, + aOffsets: aOffsets + }; + this.aSymbolTable.push(symbolTable); + }; + + /** + * dumpSymbols() + * + * TODO: Add "numerical" and "alphabetical" dump options. This is simply dumping them in whatever + * order they appeared in the original MAP file. + * + * @this {DebuggerPDP11} + */ + DebuggerPDP11.prototype.dumpSymbols = function() + { + for (var iTable = 0; iTable < this.aSymbolTable.length; iTable++) { + var symbolTable = this.aSymbolTable[iTable]; + for (var sSymbol in symbolTable.aSymbols) { + if (sSymbol.charAt(0) == '.') continue; + var symbol = symbolTable.aSymbols[sSymbol]; + var offSymbol = symbol['o']; + if (offSymbol === undefined) continue; + var sSymbolOrig = symbolTable.aSymbols[sSymbol]['l']; + if (sSymbolOrig) sSymbol = sSymbolOrig; + this.println(this.toHexOffset(offSymbol) + ' ' + sSymbol); + } + } + }; + + /** + * findSymbol(dbgAddr, fNearest) + * + * Search aSymbolTable for dbgAddr, and return an Array for the corresponding symbol (empty if not found). + * + * If fNearest is true, and no exact match was found, then the Array returned will contain TWO sets of + * entries: [0]-[3] will refer to closest preceding symbol, and [4]-[7] will refer to the closest subsequent symbol. + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @param {boolean} [fNearest] + * @return {Array} where [0] == symbol name, [1] == symbol value, [2] == any annotation, and [3] == any associated comment + */ + DebuggerPDP11.prototype.findSymbol = function(dbgAddr, fNearest) + { + var aSymbol = []; + var addrSymbol = this.getAddr(dbgAddr) >>> 0; + for (var iTable = 0; iTable < this.aSymbolTable.length; iTable++) { + var symbolTable = this.aSymbolTable[iTable]; + var addr = symbolTable.addr >>> 0; + var len = symbolTable.len; + if (addrSymbol >= addr && addrSymbol < addr + len) { + var offSymbol = addrSymbol - addr; + var result = usr.binarySearch(symbolTable.aOffsets, [offSymbol], this.comparePairs); + if (result >= 0) { + this.returnSymbol(iTable, result, aSymbol); + } + else if (fNearest) { + result = ~result; + this.returnSymbol(iTable, result-1, aSymbol); + this.returnSymbol(iTable, result, aSymbol); + } + break; + } + } + return aSymbol; + }; + + /** + * findSymbolAddr(sSymbol) + * + * Search aSymbolTable for sSymbol, and if found, return a dbgAddr (same as parseAddr()) + * + * @this {DebuggerPDP11} + * @param {string} sSymbol + * @return {DbgAddrPDP11|undefined} + */ + DebuggerPDP11.prototype.findSymbolAddr = function(sSymbol) + { + var dbgAddr; + if (sSymbol.match(/^[a-z_][a-z0-9_]*$/i)) { + var sUpperCase = sSymbol.toUpperCase(); + for (var iTable = 0; iTable < this.aSymbolTable.length; iTable++) { + var symbolTable = this.aSymbolTable[iTable]; + var symbol = symbolTable.aSymbols[sUpperCase]; + if (symbol !== undefined) { + var offSymbol = symbol['o']; + if (offSymbol !== undefined) { + /* + * We assume that every ROM is ORG'ed at 0x0000, and therefore unless the symbol has an + * explicitly-defined segment, we return the segment associated with the entire group; for + * a ROM, that segment is normally "addrROM >>> 4". Down the road, we may want/need to + * support a special symbol entry (eg, ".ORG") that defines an alternate origin. + */ + dbgAddr = this.newAddr(offSymbol); + } + /* + * The symbol matched, but it wasn't for an address (no 'o' offset), and there's no point + * looking any farther, since each symbol appears only once, so we indicate it's an unknown symbol. + */ + break; + } + } + } + return dbgAddr; + }; + + /** + * returnSymbol(iTable, iOffset, aSymbol) + * + * Helper function for findSymbol(). + * + * @param {number} iTable + * @param {number} iOffset + * @param {Array} aSymbol is updated with the specified symbol, if it exists + */ + DebuggerPDP11.prototype.returnSymbol = function(iTable, iOffset, aSymbol) + { + var symbol = {}; + var aOffsets = this.aSymbolTable[iTable].aOffsets; + var offset = 0, sSymbol = null; + if (iOffset >= 0 && iOffset < aOffsets.length) { + offset = aOffsets[iOffset][0]; + sSymbol = aOffsets[iOffset][1]; + } + if (sSymbol) { + symbol = this.aSymbolTable[iTable].aSymbols[sSymbol]; + sSymbol = (sSymbol.charAt(0) == '.'? null : (symbol['l'] || sSymbol)); + } + aSymbol.push(sSymbol); + aSymbol.push(offset); + aSymbol.push(symbol['a']); + aSymbol.push(symbol['c']); + }; + + /** + * doHelp() + * + * @this {DebuggerPDP11} + */ + DebuggerPDP11.prototype.doHelp = function() + { + var s = "commands:"; + for (var sCommand in DebuggerPDP11.COMMANDS) { + s += '\n' + str.pad(sCommand, 9) + DebuggerPDP11.COMMANDS[sCommand]; + } + if (!this.checksEnabled()) s += "\nnote: frequency/history disabled if no exec breakpoints"; + this.println(s); + }; + + /** + * doAssemble(asArgs) + * + * This always receives the complete argument array, where the order of the arguments is: + * + * [0]: the assemble command (assumed to be "a") + * [1]: the target address (eg, "200") + * [2]: the operation code, aka instruction name (eg, "adc") + * [3]: the operation mode operand, if any (eg, "14", "[1234]", etc) + * + * The Debugger enters "assemble mode" whenever only the first (or first and second) arguments are present. + * As long as "assemble mode is active, the user can omit the first two arguments on all later assemble commands + * until "assemble mode" is cancelled with an empty command line; the command processor automatically prepends "a" + * and the next available target address to the argument array. + * + * Entering "assemble mode" is optional; one could enter a series of fully-qualified assemble commands; eg: + * + * a ff00 cld + * a ff01 ldx 28 + * ... + * + * without ever entering "assemble mode", but of course, that requires more typing and doesn't take advantage + * of automatic target address advancement (see dbgAddrAssemble). + * + * NOTE: As the previous example implies, you can even assemble new instructions into ROM address space; + * as our setByte() function explains, the ROM write-notification handlers only refuse writes from the CPU. + * + * @this {DebuggerPDP11} + * @param {Array.} asArgs is the complete argument array, beginning with the "a" command in asArgs[0] + */ + DebuggerPDP11.prototype.doAssemble = function(asArgs) + { + var dbgAddr = this.parseAddr(asArgs[1], true); + if (!dbgAddr) return; + + this.dbgAddrAssemble = dbgAddr; + if (asArgs[2] === undefined) { + this.println("begin assemble at " + this.toHexAddr(dbgAddr)); + this.fAssemble = true; + this.cpu.updateCPU(); + return; + } + + var aOpBytes = this.parseInstruction(asArgs[2], asArgs[3], dbgAddr); + if (aOpBytes.length) { + for (var i = 0; i < aOpBytes.length; i++) { + this.setByte(dbgAddr, aOpBytes[i], 1); + } + /* + * Since getInstruction() also updates the specified address, dbgAddrAssemble is automatically advanced. + */ + this.println(this.getInstruction(this.dbgAddrAssemble)); + } + }; + + /** + * doBreak(sCmd, sAddr, sOptions) + * + * As the "help" output below indicates, the following breakpoint commands are supported: + * + * bp [a] set exec breakpoint on linear addr [a] + * br [a] set read breakpoint on linear addr [a] + * bw [a] set write breakpoint on linear addr [a] + * bc [a] clear breakpoint on linear addr [a] (use "*" for all breakpoints) + * bl list breakpoints + * + * to which we have recently added the following I/O breakpoint commands: + * + * bi [p] toggle input breakpoint on port [p] (use "*" for all input ports) + * bo [p] toggle output breakpoint on port [p] (use "*" for all output ports) + * + * These two new commands operate as toggles so that if "*" is used to trap all input (or output), + * you can also use these commands to NOT trap specific ports. + * + * bn [n] break after [n] instructions + * + * TODO: Update the "bl" command to include any/all I/O breakpoints, and the "bc" command to + * clear them. Because "bi" and "bo" commands are piggy-backing on Bus functions, those breakpoints + * are currently outside the realm of what the "bl" and "bc" commands are aware of. + * + * @this {DebuggerPDP11} + * @param {string} sCmd + * @param {string|undefined} [sAddr] + * @param {string} [sOptions] (the rest of the breakpoint command-line) + */ + DebuggerPDP11.prototype.doBreak = function(sCmd, sAddr, sOptions) + { + if (sAddr == '?') { + this.println("breakpoint commands:"); + this.println("\tbp [a]\tset exec breakpoint at addr [a]"); + this.println("\tbr [a]\tset read breakpoint at addr [a]"); + this.println("\tbw [a]\tset write breakpoint at addr [a]"); + this.println("\tbc [a]\tclear breakpoint at addr [a]"); + this.println("\tbl\tlist all breakpoints"); + this.println("\tbn [n]\tbreak after [n] instruction(s)"); + return; + } + + var sParm = sCmd.charAt(1); + if (sParm == 'l') { + var cBreaks = 0; + cBreaks += this.listBreakpoints(this.aBreakExec); + cBreaks += this.listBreakpoints(this.aBreakRead); + cBreaks += this.listBreakpoints(this.aBreakWrite); + if (!cBreaks) this.println("no breakpoints"); + return; + } + + if (sParm == 'n') { + this.nBreakIns = this.parseValue(sAddr); + this.println("break after " + this.nBreakIns + " instruction(s)"); + return; + } + + if (sAddr === undefined) { + this.println("missing breakpoint address"); + return; + } + + var dbgAddr = this.newAddr(); + if (sAddr != '*') { + dbgAddr = this.parseAddr(sAddr, true, true); + if (!dbgAddr) return; + } + + if (sParm == 'c') { + if (dbgAddr.addr == null) { + this.clearBreakpoints(); + this.println("all breakpoints cleared"); + return; + } + if (this.findBreakpoint(this.aBreakExec, dbgAddr, true)) + return; + if (this.findBreakpoint(this.aBreakRead, dbgAddr, true)) + return; + if (this.findBreakpoint(this.aBreakWrite, dbgAddr, true)) + return; + this.println("breakpoint missing: " + this.toHexAddr(dbgAddr)); + return; + } + + if (dbgAddr.addr == null) return; + + this.parseAddrOptions(dbgAddr, sOptions); + + if (sParm == 'p') { + this.addBreakpoint(this.aBreakExec, dbgAddr); + return; + } + if (sParm == 'r') { + this.addBreakpoint(this.aBreakRead, dbgAddr); + return; + } + if (sParm == 'w') { + this.addBreakpoint(this.aBreakWrite, dbgAddr); + return; + } + this.println("unknown breakpoint command: " + sParm); + }; + + /** + * doClear(sCmd) + * + * @this {DebuggerPDP11} + * @param {string} [sCmd] (eg, "cls" or "clear") + */ + DebuggerPDP11.prototype.doClear = function(sCmd) + { + /* + * TODO: There should be a clear() component method that the Control Panel overrides to perform this function. + */ + if (this.controlPrint) this.controlPrint.value = ""; + }; + + /** + * doDump(asArgs) + * + * The length parameter is interpreted as a number of bytes, in hex, which we convert to the appropriate number + * of lines, because we always display whole lines. If the length is omitted/undefined, it defaults to 0x80 (128.) + * bytes, which normally translates to 8 lines. + * + * @this {DebuggerPDP11} + * @param {Array.} asArgs (formerly sCmd, [sAddr], [sLen] and [sBytes]) + */ + DebuggerPDP11.prototype.doDump = function(asArgs) + { + var m; + var sCmd = asArgs[0]; + var sAddr = asArgs[1]; + var sLen = asArgs[2]; + var sBytes = asArgs[3]; + + if (sAddr == '?') { + var sDumpers = ""; + for (m in MessagesPDP11.CATEGORIES) { + if (this.afnDumpers[m]) { + if (sDumpers) sDumpers += ','; + sDumpers = sDumpers + m; + } + } + sDumpers += ",state,symbols"; + this.println("dump memory commands:"); + this.println("\tdb [a] [#] dump # bytes at address a"); + this.println("\tdw [a] [#] dump # words at address a"); + this.println("\tdd [a] [#] dump # dwords at address a"); + this.println("\tdh [#] [#] dump # instructions from history"); + if (sDumpers.length) this.println("dump extension commands:\n\t" + sDumpers); + return; + } + + if (sAddr == "state") { + var sState = this.cmp.powerOff(true); + if (sLen == "console") { + /* + * Console buffers are notoriously small, and even the following code, which breaks the + * data into parts (eg, "d state console 1", "d state console 2", etc) just isn't that helpful. + * + * var nPart = +sBytes; + * if (nPart) sState = sState.substr(1000000 * (nPart-1), 1000000); + * + * So, the best way to capture a large machine state is to use the new "Save Machine" link + * that downloads a machine's entire state. Alternatively, run your own local server and use + * server-side storage. Take a look at the "Save" binding in computer.js, which binds an HTML + * control to the computer.powerOff() and computer.saveServerState() functions. + */ + console.log(sState); + } else { + this.doClear(); + this.println(sState); + } + return; + } + + if (sAddr == "symbols") { + this.dumpSymbols(); + return; + } + + if (sCmd == "d") { + for (m in MessagesPDP11.CATEGORIES) { + if (asArgs[1] == m) { + var fnDumper = this.afnDumpers[m]; + if (fnDumper) { + asArgs.shift(); + asArgs.shift(); + fnDumper(asArgs); + } else { + this.println("no dump registered for " + sAddr); + } + return; + } + } + if (!sAddr) sCmd = this.sCmdDumpPrev || "db"; + } else { + this.sCmdDumpPrev = sCmd; + } + + if (sCmd == "dh") { + this.dumpHistory(sAddr, sLen); + return; + } + + var dbgAddr = this.parseAddr(sAddr); + if (!dbgAddr) return; + + var len = 0; // 0 is not a default; it triggers the appropriate default below + if (sLen) { + if (sLen.charAt(0) == 'l') { + sLen = sLen.substr(1) || sBytes; + } + len = this.parseValue(sLen) >>> 0; // negative lengths not allowed + if (len > 0x10000) len = 0x10000; // prevent bad user (or variable) input from producing excessive output + } + + var sDump = ""; + var size = (sCmd == "dd"? 4 : (sCmd == "dw"? 2 : 1)); + var cb = (size * len) || 128; + var cLines = ((cb + 15) >> 4) || 1; + + while (cLines-- && cb > 0) { + var data = 0, iByte = 0, i; + var sData = "", sChars = ""; + sAddr = this.toHexAddr(dbgAddr); + for (i = 16; i > 0 && cb > 0; i--) { + var b = this.getByte(dbgAddr, 1); + data |= (b << (iByte++ << 3)); + if (iByte == size) { + sData += str.toHex(data, size * 2); + sData += (size == 1? (i == 9? '-' : ' ') : " "); + data = iByte = 0; + } + sChars += (b >= 32 && b < 128? String.fromCharCode(b) : '.'); + cb--; + } + if (sDump) sDump += '\n'; + sDump += sAddr + " " + sData + ((i == 0)? (' ' + sChars) : ""); + } + + if (sDump) this.println(sDump); + this.dbgAddrNextData = dbgAddr; + }; + + /** + * doEdit(asArgs) + * + * @this {DebuggerPDP11} + * @param {Array.} asArgs + */ + DebuggerPDP11.prototype.doEdit = function(asArgs) + { + var size = 1; + var mask = 0xff; + var fnGet = this.getByte; + var fnSet = this.setByte; + if (asArgs[0] == "ew") { + size = 2; + mask = 0xffff; + fnGet = this.getShort; + fnSet = this.setShort; + } + var cch = size << 1; + + var sAddr = asArgs[1]; + if (sAddr == null) { + this.println("edit memory commands:"); + this.println("\teb [a] [...] edit bytes at address a"); + this.println("\tew [a] [...] edit words at address a"); + return; + } + + var dbgAddr = this.parseAddr(sAddr); + if (!dbgAddr) return; + + for (var i = 2; i < asArgs.length; i++) { + var vNew = this.parseExpression(asArgs[i]); + if (vNew === undefined) { + this.println("unrecognized value: " + asArgs[i]); + break; + } + if (vNew & ~mask) { + this.println("warning: " + str.toHex(vNew) + " exceeds " + size + "-byte value"); + } + var vOld = fnGet.call(this, dbgAddr); + this.println("changing " + this.toHexAddr(dbgAddr) + " from 0x" + str.toHex(vOld, cch) + " to 0x" + str.toHex(vNew, cch)); + fnSet.call(this, dbgAddr, vNew, size); + } + }; + + /** + * doFreqs(sParm) + * + * @this {DebuggerPDP11} + * @param {string|undefined} sParm + */ + DebuggerPDP11.prototype.doFreqs = function(sParm) + { + if (sParm == '?') { + this.println("frequency commands:"); + this.println("\tclear\tclear all frequency counts"); + return; + } + var i; + var cData = 0; + if (this.aaOpcodeCounts) { + if (sParm == "clear") { + for (i = 0; i < this.aaOpcodeCounts.length; i++) + this.aaOpcodeCounts[i] = [i, 0]; + this.println("frequency data cleared"); + cData++; + } + else if (sParm !== undefined) { + this.println("unknown frequency command: " + sParm); + cData++; + } + else { + var aaSortedOpcodeCounts = this.aaOpcodeCounts.slice(); + aaSortedOpcodeCounts.sort(function(p, q) { + return q[1] - p[1]; + }); + var asOpcodes = DebuggerPDP11.INS_NAMES; + for (i = 0; i < aaSortedOpcodeCounts.length; i++) { + var bOpcode = aaSortedOpcodeCounts[i][0]; + var cFreq = aaSortedOpcodeCounts[i][1]; + if (cFreq) { + this.println((asOpcodes[this.aaOpDescs[bOpcode][0]] + " ").substr(0, 5) + " (" + str.toHexByte(bOpcode) + "): " + cFreq + " times"); + cData++; + } + } + } + } + if (!cData) { + this.println("no frequency data available"); + } + }; + + /** + * doHalt(fQuiet) + * + * @this {DebuggerPDP11} + * @param {boolean} [fQuiet] + */ + DebuggerPDP11.prototype.doHalt = function(fQuiet) + { + var sMsg; + if (this.flags.fRunning) { + sMsg = "halting"; + this.stopCPU(); + } else { + if (this.isBusy(true)) return; + sMsg = "already halted"; + } + if (!fQuiet) this.println(sMsg); + }; + + /** + * doIf(sCmd, fQuiet) + * + * NOTE: Don't forget that the default base for all numeric constants is 16 (hex), so when you evaluate + * an expression like "a==10", it will compare the value of the variable "a" to 0x10; use a trailing period + * (eg, "10.") if you really intend decimal. + * + * Also, if no variable named "a" exists, "a" will evaluate to 0x0A, so the expression "a==10" becomes + * "0x0A==0x10" (false), whereas the expression "a==10." becomes "0x0A==0x0A" (true). + * + * @this {DebuggerPDP11} + * @param {string} sCmd + * @param {boolean} [fQuiet] + * @return {boolean} true if expression is non-zero, false if zero (or undefined due to a parse error) + */ + DebuggerPDP11.prototype.doIf = function(sCmd, fQuiet) + { + sCmd = str.trim(sCmd); + if (!this.parseExpression(sCmd)) { + if (!fQuiet) this.println("false: " + sCmd); + return false; + } + if (!fQuiet) this.println("true: " + sCmd); + return true; + }; + + /** + * doInfo(asArgs) + * + * @this {DebuggerPDP11} + * @param {Array.} asArgs + * @return {boolean} true only if the instruction info command ("n") is supported + */ + DebuggerPDP11.prototype.doInfo = function(asArgs) + { + if (DEBUG) { + this.println("msPerYield: " + this.cpu.msPerYield); + this.println("nCyclesPerYield: " + this.cpu.nCyclesPerYield); + return true; + } + return false; + }; + + /** + * doInt(sLevel) + * + * @this {DebuggerPDP11} + * @param {string} sLevel + * @return {boolean} true if success, false if error + */ + DebuggerPDP11.prototype.doInt = function(sLevel) + { + if (!this.cpu.getIF()) { + this.println("interrupts disabled (use rif=1 to enable)"); + return false; + } + var nLevel = this.parseExpression(sLevel); + if (nLevel == null) return false; + this.println("requesting interrupt level " + nLevel); + this.cpu.requestINTR(nLevel); + return true; + }; + + /** + * doVar(sCmd) + * + * The command must be of the form "{variable} = [{expression}]", where expression may contain constants, + * operators, registers, symbols, other variables, or nothing at all; in the latter case, the variable, if + * any, is deleted. + * + * Other supported shorthand: "var" with no parameters prints the values of all variables, and "var {variable}" + * prints the value of the specified variable. + * + * @this {DebuggerPDP11} + * @param {string} sCmd + * @return {boolean} true if valid "var" assignment, false if not + */ + DebuggerPDP11.prototype.doVar = function(sCmd) + { + var a = sCmd.match(/^\s*([A-Z_]?[A-Z0-9_]*)\s*(=?)\s*(.*)$/i); + if (a) { + if (!a[1]) { + if (!this.printVariable()) this.println("no variables"); + return true; // it's not considered an error to print an empty list of variables + } + if (!a[2]) { + return this.printVariable(a[1]); + } + if (!a[3]) { + this.delVariable(a[1]); + return true; // it's not considered an error to delete a variable that didn't exist + } + var v = this.parseExpression(a[3]); + if (v !== undefined) { + this.setVariable(a[1], v); + return true; + } + return false; + } + this.println("invalid assignment:" + sCmd); + return false; + }; + + /** + * doList(sAddr, fPrint) + * + * @this {DebuggerPDP11} + * @param {string} sAddr + * @param {boolean} [fPrint] + * @return {string|null} + */ + DebuggerPDP11.prototype.doList = function(sAddr, fPrint) + { + var sSymbol = null; + + var dbgAddr = this.parseAddr(sAddr, true); + if (dbgAddr) { + var addr = this.getAddr(dbgAddr); + var aSymbol = this.findSymbol(dbgAddr, true); + if (aSymbol.length) { + var nDelta, sDelta, s; + if (aSymbol[0]) { + sDelta = ""; + nDelta = dbgAddr.addr - aSymbol[1]; + if (nDelta) sDelta = " + " + str.toHexWord(nDelta); + s = aSymbol[0] + " (" + this.toHexOffset(aSymbol[1]) + ')' + sDelta; + if (fPrint) this.println(s); + sSymbol = s; + } + if (aSymbol.length > 4 && aSymbol[4]) { + sDelta = ""; + nDelta = aSymbol[5] - dbgAddr.addr; + if (nDelta) sDelta = " - " + str.toHexWord(nDelta); + s = aSymbol[4] + " (" + this.toHexOffset(aSymbol[5]) + ')' + sDelta; + if (fPrint) this.println(s); + if (!sSymbol) sSymbol = s; + } + } else { + if (fPrint) this.println("no symbols"); + } + } + return sSymbol; + }; + + /** + * doMessages(asArgs) + * + * @this {DebuggerPDP11} + * @param {Array.} asArgs + */ + DebuggerPDP11.prototype.doMessages = function(asArgs) + { + var m; + var fCriteria = null; + var sCategory = asArgs[1]; + if (sCategory == '?') sCategory = undefined; + + if (sCategory !== undefined) { + var bitsMessage = 0; + if (sCategory == "all") { + bitsMessage = (0xffffffff|0) & ~(MessagesPDP11.HALT | MessagesPDP11.KEYS | MessagesPDP11.LOG); + sCategory = null; + } else if (sCategory == "on") { + fCriteria = true; + sCategory = null; + } else if (sCategory == "off") { + fCriteria = false; + sCategory = null; + } else { + /* + * Internally, we use "key" instead of "keys", since the latter is a method on JavasScript objects, + * but externally, we allow the user to specify "keys"; "kbd" is also allowed as shorthand for "keyboard". + */ + if (sCategory == "keys") sCategory = "key"; + if (sCategory == "kbd") sCategory = "keyboard"; + for (m in MessagesPDP11.CATEGORIES) { + if (sCategory == m) { + bitsMessage = MessagesPDP11.CATEGORIES[m]; + fCriteria = !!(this.bitsMessage & bitsMessage); + break; + } + } + if (!bitsMessage) { + this.println("unknown message category: " + sCategory); + return; + } + } + if (bitsMessage) { + if (asArgs[2] == "on") { + this.bitsMessage |= bitsMessage; + fCriteria = true; + } + else if (asArgs[2] == "off") { + this.bitsMessage &= ~bitsMessage; + fCriteria = false; + if (bitsMessage == MessagesPDP11.BUFFER) { + for (var i = 0; i < this.aMessageBuffer.length; i++) { + this.println(this.aMessageBuffer[i]); + } + this.aMessageBuffer = []; + } + } + } + } + + /* + * Display those message categories that match the current criteria (on or off) + */ + var n = 0; + var sCategories = ""; + for (m in MessagesPDP11.CATEGORIES) { + if (!sCategory || sCategory == m) { + var bitMessage = MessagesPDP11.CATEGORIES[m]; + var fEnabled = !!(this.bitsMessage & bitMessage); + if (fCriteria !== null && fCriteria != fEnabled) continue; + if (sCategories) sCategories += ','; + if (!(++n % 10)) sCategories += "\n\t"; // jshint ignore:line + /* + * Internally, we use "key" instead of "keys", since the latter is a method on JavasScript objects, + * but externally, we allow the user to specify "keys". + */ + if (m == "key") m = "keys"; + sCategories += m; + } + } + + if (sCategory === undefined) { + this.println("message commands:\n\tm [category] [on|off]\tturn categories on/off"); + } + + this.println((fCriteria !== null? (fCriteria? "messages on: " : "messages off: ") : "message categories:\n\t") + (sCategories || "none")); + + this.historyInit(); // call this just in case MessagesPDP11.INT was turned on + }; + + /** + * doOptions(asArgs) + * + * @this {DebuggerPDP11} + * @param {Array.} asArgs + */ + DebuggerPDP11.prototype.doOptions = function(asArgs) + { + switch (asArgs[1]) { + case "cs": + var nCycles; + if (asArgs[3] !== undefined) nCycles = +asArgs[3]; // warning: decimal instead of hex conversion + switch (asArgs[2]) { + case "int": + this.cpu.nCyclesChecksumInterval = nCycles; + break; + case "start": + this.cpu.nCyclesChecksumStart = nCycles; + break; + case "stop": + this.cpu.nCyclesChecksumStop = nCycles; + break; + default: + this.println("unknown cs option"); + return; + } + if (nCycles !== undefined) { + this.cpu.resetChecksum(); + } + this.println("checksums " + (this.cpu.flags.fChecksum? "enabled" : "disabled")); + return; + + case "sp": + if (asArgs[2] !== undefined) { + if (!this.cpu.setSpeed(+asArgs[2])) { + this.println("warning: using 1x multiplier, previous target not reached"); + } + } + this.println("target speed: " + this.cpu.getSpeedTarget() + " (" + this.cpu.getSpeed() + "x)"); + return; + + case "?": + this.println("debugger options:"); + this.println("\tcs int #\tset checksum cycle interval to #"); + this.println("\tcs start #\tset checksum cycle start count to #"); + this.println("\tcs stop #\tset checksum cycle stop count to #"); + this.println("\tsp #\t\tset speed multiplier to #"); + break; + + default: + if (asArgs[1]) { + this.println("unknown option: " + asArgs[1]); + return; + } + break; + } + }; + + /** + * doRegisters(asArgs, fInstruction) + * + * @this {DebuggerPDP11} + * @param {Array.} [asArgs] + * @param {boolean} [fInstruction] (true to include the current instruction; default is true) + */ + DebuggerPDP11.prototype.doRegisters = function(asArgs, fInstruction) + { + if (asArgs && asArgs[1] == '?') { + this.println("register commands:"); + this.println("\tr\tdump registers"); + this.println("\trx [#]\tset flag or register x to [#]"); + return; + } + + var cpu = this.cpu; + if (fInstruction == null) fInstruction = true; + + if (asArgs != null && asArgs.length > 1) { + var sReg = asArgs[1]; + var sValue = null; + var i = sReg.indexOf('='); + if (i > 0) { + sValue = sReg.substr(i + 1); + sReg = sReg.substr(0, i); + } + else if (asArgs.length > 2) { + sValue = asArgs[2]; + } + else { + this.println("missing value for " + asArgs[1]); + return; + } + + var fValid = false; + var w = this.parseExpression(sValue); + + if (w !== undefined) { + fValid = true; + var sRegMatch = sReg.toUpperCase(); + switch (sRegMatch) { + case "A": + cpu.regA = w & 0xff; + break; + case "B": + cpu.regB = w & 0xff; + break; + case "BC": + cpu.regB = ((w >> 8) & 0xff); + /* falls through */ + case "C": + cpu.regC = w & 0xff; + break; + case "D": + cpu.regD = w & 0xff; + break; + case "DE": + cpu.regD = ((w >> 8) & 0xff); + /* falls through */ + case "E": + cpu.regE = w & 0xff; + break; + case "H": + cpu.regH = w & 0xff; + break; + case "HL": + cpu.regH = ((w >> 8) & 0xff); + /* falls through */ + case "L": + cpu.regL = w & 0xff; + break; + case "SP": + cpu.setSP(w); + break; + case "PC": + cpu.setPC(w); + this.dbgAddrNextCode = this.newAddr(cpu.getPC()); + break; + case "PS": + cpu.setPS(w); + break; + case "PSW": + cpu.setPSW(w); + break; + case "CF": + if (w) cpu.setCF(); else cpu.clearCF(); + break; + case "ZF": + if (w) cpu.setZF(); else cpu.clearZF(); + break; + case "SF": + if (w) cpu.setSF(); else cpu.clearSF(); + break; + case "IF": + if (w) cpu.setIF(); else cpu.clearIF(); + break; + default: + this.println("unknown register: " + sReg); + return; + } + } + if (!fValid) { + this.println("invalid value: " + sValue); + return; + } + cpu.updateCPU(); + this.println("updated registers:"); + } + + this.println(this.getRegDump()); + + if (fInstruction) { + this.dbgAddrNextCode = this.newAddr(cpu.getPC()); + this.doUnassemble(this.toHexAddr(this.dbgAddrNextCode)); + } + }; + + /** + * doRun(sCmd, sAddr, sOptions, fQuiet) + * + * @this {DebuggerPDP11} + * @param {string} sCmd + * @param {string|undefined} [sAddr] + * @param {string} [sOptions] (the rest of the breakpoint command-line) + * @param {boolean} [fQuiet] + */ + DebuggerPDP11.prototype.doRun = function(sCmd, sAddr, sOptions, fQuiet) + { + if (sCmd == "gt") { + this.fIgnoreNextCheckFault = true; + } + if (sAddr !== undefined) { + var dbgAddr = this.parseAddr(sAddr, true); + if (!dbgAddr) return; + this.parseAddrOptions(dbgAddr, sOptions); + this.setTempBreakpoint(dbgAddr); + } + if (!this.runCPU(true)) { + if (!fQuiet) this.println("cpu busy or unavailable, run command ignored"); + } + }; + + /** + * doPrint(sCmd) + * + * NOTE: If the string to print is a quoted string, then we run it through replaceRegs(), so that + * you can take advantage of all the special replacement options used for software interrupt logging. + * + * @this {DebuggerPDP11} + * @param {string} sCmd + */ + DebuggerPDP11.prototype.doPrint = function(sCmd) + { + sCmd = str.trim(sCmd); + var a = sCmd.match(/^(['"])(.*?)\1$/); + if (!a) { + this.parseExpression(sCmd, true); + } else { + this.println(this.replaceRegs(a[2])); + } + }; + + /** + * doStep(sCmd) + * + * @this {DebuggerPDP11} + * @param {string} [sCmd] "p" or "pr" + */ + DebuggerPDP11.prototype.doStep = function(sCmd) + { + var fCallStep = true; + var fRegs = (sCmd == "pr"? 1 : 0); + /* + * Set up the value for this.nStep (ie, 1 or 2) depending on whether the user wants + * a subsequent register dump ("pr") or not ("p"). + */ + var nStep = 1 + fRegs; + if (!this.nStep) { + var dbgAddr = this.newAddr(this.cpu.getPC()); + var bOpcode = this.getByte(dbgAddr); + + switch (bOpcode) { + case CPUDefPDP11.OPCODE.CALL: + if (fCallStep) { + this.nStep = nStep; + this.incAddr(dbgAddr, 3); + } + break; + default: + break; + } + + if (this.nStep) { + this.setTempBreakpoint(dbgAddr); + if (!this.runCPU()) { + if (this.cmp) this.cmp.updateFocus(); + this.nStep = 0; + } + /* + * A successful run will ultimately call stop(), which will in turn call clearTempBreakpoint(), + * which will clear nStep, so there's your assurance that nStep will be reset. Now we may have + * stopped for reasons unrelated to the temporary breakpoint, but that's OK. + */ + } else { + this.doTrace(fRegs? "tr" : "t"); + } + } else { + this.println("step in progress"); + } + }; + + /** + * getCall(dbgAddr) + * + * Given a possible return address (typically from the stack), look for a matching CALL (or INT) that + * immediately precedes that address. + * + * @this {DebuggerPDP11} + * @param {DbgAddrPDP11} dbgAddr + * @return {string|null} CALL instruction at or near dbgAddr, or null if none + */ + DebuggerPDP11.prototype.getCall = function(dbgAddr) + { + var sCall = null; + var addr = dbgAddr.addr; + var addrOrig = addr; + for (var n = 1; n <= 6 && !!addr; n++) { + if (n > 2) { + dbgAddr.addr = addr; + var s = this.getInstruction(dbgAddr); + if (s.indexOf("CALL") >= 0) { + /* + * Verify that the length of this CALL (or INT), when added to the address of the CALL (or INT), + * matches the original return address. We do this by getting the string index of the opcode bytes, + * subtracting that from the string index of the next space, and dividing that difference by two, + * to yield the length of the CALL (or INT) instruction, in bytes. + */ + var i = s.indexOf(' '); + var j = s.indexOf(' ', i+1); + if (addr + (j - i - 1)/2 == addrOrig) { + sCall = s; + break; + } + } + } + addr--; + } + dbgAddr.addr = addrOrig; + return sCall; + }; + + /** + * doStackTrace(sCmd, sAddr) + * + * Use "k" for a normal stack trace and "ks" for a stack trace with symbolic info. + * + * @this {DebuggerPDP11} + * @param {string} [sCmd] + * @param {string} [sAddr] (not used yet) + */ + DebuggerPDP11.prototype.doStackTrace = function(sCmd, sAddr) + { + if (sAddr == '?') { + this.println("stack trace commands:"); + this.println("\tk\tshow frame addresses"); + this.println("\tks\tshow symbol information"); + return; + } + + var nFrames = 10, cFrames = 0; + var dbgAddrCall = this.newAddr(); + var dbgAddrStack = this.newAddr(this.cpu.getSP()); + this.println("stack trace for " + this.toHexAddr(dbgAddrStack)); + + while (cFrames < nFrames) { + var sCall = null, sCallPrev = null, cTests = 256; + while ((dbgAddrStack.addr >>> 0) < 0x10000) { + dbgAddrCall.addr = this.getWord(dbgAddrStack, true); + /* + * Because we're using the auto-increment feature of getWord(), and because that will automatically + * wrap the offset around the end of the segment, we must also check the addr property to detect the wrap. + */ + if (dbgAddrStack.addr == null || !cTests--) break; + sCall = this.getCall(dbgAddrCall); + if (sCall) break; + } + /* + * The sCallPrev check eliminates duplicate sequential calls, which are usually (but not always) + * indicative of a false positive, in which case the previous call is probably bogus as well, but + * at least we won't duplicate that mistake. Of course, there are always exceptions, recursion + * being one of them, but it's rare that we're debugging recursive code. + */ + if (!sCall || sCall == sCallPrev) break; + var sSymbol = null; + if (sCmd == "ks") { + var a = sCall.match(/[0-9A-F]+$/); + if (a) sSymbol = this.doList(a[0]); + } + sCall = str.pad(sCall, 50) + " ;" + (sSymbol || "stack=" + this.toHexAddr(dbgAddrStack)); // + " return=" + this.toHexAddr(dbgAddrCall)); + this.println(sCall); + sCallPrev = sCall; + cFrames++; + } + if (!cFrames) this.println("no return addresses found"); + }; + + /** + * doTrace(sCmd, sCount) + * + * The "t" and "tr" commands interpret the count as a number of instructions, and since + * we call the Debugger's stepCPU() for each iteration, a single instruction includes + * any/all prefixes; the CPU's stepCPU() treats prefixes as discrete operations. The only + * difference between "t" and "tr": the former displays only the next instruction, while + * the latter also displays the (updated) registers. + * + * The "tc" command interprets the count as a number of cycles rather than instructions, + * allowing you to quickly execute large chunks of instructions with a single command; it + * doesn't display anything until the the chunk has finished. + * + * However, generally a more useful command is "bn", which allows you to break after some + * number of instructions have been executed (as opposed to some number of cycles). + * + * @this {DebuggerPDP11} + * @param {string} [sCmd] ("t", "tc", or "tr") + * @param {string} [sCount] # of instructions to step + */ + DebuggerPDP11.prototype.doTrace = function(sCmd, sCount) + { + var dbg = this; + var fRegs = (sCmd != "t"); + var nCount = this.parseValue(sCount, null, true) || 1; + var nCycles = (nCount == 1? 0 : 1); + if (sCmd == "tc") { + nCycles = nCount; + nCount = 1; + } + web.onCountRepeat( + nCount, + function onCountStep() { + return dbg.setBusy(true) && dbg.stepCPU(nCycles, fRegs, false); + }, + function onCountStepComplete() { + /* + * We explicitly called stepCPU() with fUpdateCPU === false, because repeatedly + * calling updateCPU() can be very slow, especially when fDisplayLiveRegs is true, + * so once the repeat count has been exhausted, we must perform a final updateCPU(). + */ + dbg.cpu.updateCPU(); + dbg.setBusy(false); + } + ); + }; + + /** + * doUnassemble(sAddr, sAddrEnd, n) + * + * @this {DebuggerPDP11} + * @param {string} [sAddr] + * @param {string} [sAddrEnd] + * @param {number} [n] + */ + DebuggerPDP11.prototype.doUnassemble = function(sAddr, sAddrEnd, n) + { + var dbgAddr = this.parseAddr(sAddr, true); + if (!dbgAddr) return; + + if (n === undefined) n = 1; + + var cb = 0x100; + if (sAddrEnd !== undefined) { + + var dbgAddrEnd = this.parseAddr(sAddrEnd, true); + if (!dbgAddrEnd || dbgAddrEnd.addr < dbgAddr.addr) return; + + cb = dbgAddrEnd.addr - dbgAddr.addr; + if (!DEBUG && cb > 0x100) { + /* + * Limiting the amount of disassembled code to 256 bytes in non-DEBUG builds is partly to + * prevent the user from wedging the browser by dumping too many lines, but also a recognition + * that, in non-DEBUG builds, this.println() keeps print output buffer truncated to 8Kb anyway. + */ + this.println("range too large"); + return; + } + n = -1; + } + + var cLines = 0; + var sInstruction; + + while (cb > 0 && n--) { + + var nSequence = (this.isBusy(false) || this.nStep)? this.nCycles : null; + var sComment = (nSequence != null? "cycles" : null); + var aSymbol = this.findSymbol(dbgAddr); + + var addr = dbgAddr.addr; // we snap dbgAddr.addr *after* calling findSymbol(), which re-evaluates it + + if (aSymbol[0] && n) { + if (!cLines && n || aSymbol[0].indexOf('+') < 0) { + var sLabel = aSymbol[0] + ':'; + if (aSymbol[2]) sLabel += ' ' + aSymbol[2]; + this.println(sLabel); + } + } + + if (aSymbol[3]) { + sComment = aSymbol[3]; + nSequence = null; + } + + sInstruction = this.getInstruction(dbgAddr, sComment, nSequence); + + this.println(sInstruction); + this.dbgAddrNextCode = dbgAddr; + cb -= dbgAddr.addr - addr; + cLines++; + } + }; + + /** + * parseCommand(sCmd, fSave, chSep) + * + * @this {DebuggerPDP11} + * @param {string|undefined} sCmd + * @param {boolean} [fSave] is true to save the command, false if not + * @param {string} [chSep] is the command separator character (default is ';') + * @return {Array.} + */ + DebuggerPDP11.prototype.parseCommand = function(sCmd, fSave, chSep) + { + if (fSave) { + if (!sCmd) { + if (this.fAssemble) { + sCmd = "end"; + } else { + sCmd = this.aPrevCmds[this.iPrevCmd+1]; + } + } else { + if (this.iPrevCmd < 0 && this.aPrevCmds.length) { + this.iPrevCmd = 0; + } + if (this.iPrevCmd < 0 || sCmd != this.aPrevCmds[this.iPrevCmd]) { + this.aPrevCmds.splice(0, 0, sCmd); + this.iPrevCmd = 0; + } + this.iPrevCmd--; + } + } + var a = []; + if (sCmd) { + /* + * With the introduction of breakpoint commands (ie, quoted command sequences + * associated with a breakpoint), we can no longer perform simplistic splitting. + * + * a = sCmd.split(chSep || ';'); + * for (var i = 0; i < a.length; i++) a[i] = str.trim(a[i]); + * + * We may now split on semi-colons ONLY if they are outside a quoted sequence. + * + * Also, to allow quoted strings *inside* breakpoint commands, we first replace all + * DOUBLE double-quotes with single quotes. + */ + sCmd = sCmd.toLowerCase().replace(/""/g, "'"); + + var iPrev = 0; + var chQuote = null; + chSep = chSep || ';'; + /* + * NOTE: Processing charAt() up to and INCLUDING length is not a typo; we're taking + * advantage of the fact that charAt() with an invalid index returns an empty string, + * allowing us to use the same substring() call to capture the final portion of sCmd. + * + * In a sense, it allows us to pretend that the string ends with a zero terminator. + */ + for (var i = 0; i <= sCmd.length; i++) { + var ch = sCmd.charAt(i); + if (ch == '"' || ch == "'") { + if (!chQuote) { + chQuote = ch; + } else if (ch == chQuote) { + chQuote = null; + } + } + else if (ch == chSep && !chQuote || !ch) { + /* + * Recall that substring() accepts starting (inclusive) and ending (exclusive) + * indexes, whereas substr() accepts a starting index and a length. We need the former. + */ + a.push(str.trim(sCmd.substring(iPrev, i))); + iPrev = i + 1; + } + } + } + return a; + }; + + /** + * shiftArgs(asArgs) + * + * Used with any command (eg, "r") that allows but doesn't require whitespace between command and first argument. + * + * @this {DebuggerPDP11} + * @param {Array.} asArgs + * @return {Array.} + */ + DebuggerPDP11.prototype.shiftArgs = function(asArgs) + { + if (asArgs && asArgs.length) { + var s0 = asArgs[0]; + var ch0 = s0.charAt(0); + for (var i = 1; i < s0.length; i++) { + var ch = s0.charAt(i); + if (ch0 == '?' || ch0 == 'r' || ch < 'a' || ch > 'z') { + asArgs[0] = s0.substr(i); + asArgs.unshift(s0.substr(0, i)); + break; + } + } + } + return asArgs; + }; + + /** + * doCommand(sCmd, fQuiet) + * + * @this {DebuggerPDP11} + * @param {string} sCmd + * @param {boolean} [fQuiet] + * @return {boolean} true if command processed, false if unrecognized + */ + DebuggerPDP11.prototype.doCommand = function(sCmd, fQuiet) + { + var result = true; + + try { + if (!sCmd.length || sCmd == "end") { + if (this.fAssemble) { + this.println("ended assemble at " + this.toHexAddr(this.dbgAddrAssemble)); + this.dbgAddrNextCode = this.dbgAddrAssemble; + this.fAssemble = false; + } + sCmd = ""; + } + else if (!fQuiet) { + var sPrompt = ">> "; + this.println(sPrompt + sCmd); + } + + var ch = sCmd.charAt(0); + if (ch == '"' || ch == "'") return true; + + /* + * Zap the previous message buffer to ensure the new command's output is not tossed out as a repeat. + */ + this.sMessagePrev = null; + + /* + * I've relaxed the !isBusy() requirement, to maximize our ability to issue Debugger commands externally. + */ + if (this.isReady() /* && !this.isBusy(true) */ && sCmd.length > 0) { + + if (this.fAssemble) { + sCmd = "a " + this.toHexAddr(this.dbgAddrAssemble) + ' ' + sCmd; + } + + var asArgs = this.shiftArgs(sCmd.replace(/ +/g, ' ').split(' ')); + + switch (asArgs[0].charAt(0)) { + case 'a': + this.doAssemble(asArgs); + break; + case 'b': + this.doBreak(asArgs[0], asArgs[1], sCmd); + break; + case 'c': + this.doClear(asArgs[0]); + break; + case 'd': + if (!COMPILED && sCmd == "debug") { + window.DEBUG = true; + this.println("DEBUG checks on"); + break; + } + this.doDump(asArgs); + break; + case 'e': + if (asArgs[0] == "else") break; + this.doEdit(asArgs); + break; + case 'f': + this.doFreqs(asArgs[1]); + break; + case 'g': + this.doRun(asArgs[0], asArgs[1], sCmd, fQuiet); + break; + case 'h': + this.doHalt(fQuiet); + break; + case 'i': + if (asArgs[0] == "if") { + if (!this.doIf(sCmd.substr(2), fQuiet)) { + result = false; + } + break; + } + if (asArgs[0] == "int") { + if (!this.doInt(asArgs[1])) { + result = false; + } + break; + } + break; + case 'k': + this.doStackTrace(asArgs[0], asArgs[1]); + break; + case 'l': + if (asArgs[0] == "ln") { + this.doList(asArgs[1], true); + break; + } + break; + case 'm': + this.doMessages(asArgs); + break; + case 'p': + if (asArgs[0] == "print") { + this.doPrint(sCmd.substr(5)); + break; + } + this.doStep(asArgs[0]); + break; + case 'r': + if (sCmd == "reset") { + if (this.cmp) this.cmp.reset(); + break; + } + this.doRegisters(asArgs); + break; + case 's': + this.doOptions(asArgs); + break; + case 't': + this.doTrace(asArgs[0], asArgs[1]); + break; + case 'u': + this.doUnassemble(asArgs[1], asArgs[2], 8); + break; + case 'v': + if (asArgs[0] == "var") { + if (!this.doVar(sCmd.substr(3))) { + result = false; + } + break; + } + this.println((PDP11.APPNAME || "PDP11") + " version " + (XMLVERSION || PDP11.APPVERSION) + " (" + this.cpu.model + (PDP11.COMPILED? ",RELEASE" : (PDP11.DEBUG? ",DEBUG" : ",NODEBUG")) + (PDP11.TYPEDARRAYS? ",TYPEDARRAYS" : (PDP11.BYTEARRAYS? ",BYTEARRAYS" : ",LONGARRAYS")) + ')'); + this.println(web.getUserAgent()); + break; + case '?': + if (asArgs[1]) { + this.doPrint(sCmd.substr(1)); + break; + } + this.doHelp(); + break; + case 'n': + if (!COMPILED && sCmd == "nodebug") { + window.DEBUG = false; + this.println("DEBUG checks off"); + break; + } + if (this.doInfo(asArgs)) break; + /* falls through */ + default: + this.println("unknown command: " + sCmd); + result = false; + break; + } + } + } catch(e) { + this.println("debugger error: " + (e.stack || e.message)); + result = false; + } + return result; + }; + + /** + * doCommands(sCmds, fSave) + * + * @this {DebuggerPDP11} + * @param {string} sCmds + * @param {boolean} [fSave] + * @return {boolean} true if all commands processed, false if not + */ + DebuggerPDP11.prototype.doCommands = function(sCmds, fSave) + { + var a = this.parseCommand(sCmds, fSave); + for (var s in a) { + if (!this.doCommand(a[s])) return false; + } + return true; + }; + + /** + * DebuggerPDP11.init() + * + * This function operates on every HTML element of class "debugger", extracting the + * JSON-encoded parameters for the Debugger constructor from the element's "data-value" + * attribute, invoking the constructor to create a Debugger component, and then binding + * any associated HTML controls to the new component. + */ + DebuggerPDP11.init = function() + { + var aeDbg = Component.getElementsByClass(document, PDP11.APPCLASS, "debugger"); + for (var iDbg = 0; iDbg < aeDbg.length; iDbg++) { + var eDbg = aeDbg[iDbg]; + var parmsDbg = Component.getComponentParms(eDbg); + var dbg = new DebuggerPDP11(parmsDbg); + Component.bindComponentControls(dbg, eDbg, PDP11.APPCLASS); + } + }; + + /* + * Initialize every Debugger module on the page (as IF there's ever going to be more than one ;-)) + */ + web.onInit(DebuggerPDP11.init); + +} // endif DEBUGGER + +if (NODE) module.exports = DebuggerPDP11; diff --git a/modules/pdp11/lib/defines.js b/modules/pdp11/lib/defines.js new file mode 100644 index 000000000..c245eb2db --- /dev/null +++ b/modules/pdp11/lib/defines.js @@ -0,0 +1,108 @@ +/** + * @fileoverview PDP11-specific compile-time definitions. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +/** + * @define {string} + */ +var APPCLASS = "pdp11"; // this @define is the default application class (eg, "pcx86", "c1pjs") + +/** + * @define {string} + */ +var APPNAME = "PDP11"; // this @define is the default application name (eg, "PCx86", "C1Pjs") + +/** + * @define {boolean} + * + * WARNING: DEBUGGER needs to accurately reflect whether or not the Debugger component is (or will be) loaded. + * In the compiled case, we rely on the Closure Compiler to override DEBUGGER as appropriate. When it's *false*, + * nearly all of debugger.js will be conditionally removed by the compiler, reducing it to little more than a + * "type skeleton", which also solves some type-related warnings we would otherwise have if we tried to remove + * debugger.js from the compilation process altogether. + * + * However, when we're in "development mode" and running uncompiled code in debugger-less configurations, + * I would like to skip loading debugger.js altogether. When doing that, we must ALSO arrange for an additional file + * (nodebugger.js) to be loaded immediately after this file, which *explicitly* overrides DEBUGGER with *false*. + */ +var DEBUGGER = true; // this @define is overridden by the Closure Compiler to remove Debugger-related support + +/** + * @define {boolean} + * + * BYTEARRAYS is a Closure Compiler compile-time option that allocates an Array of numbers for every Memory block, + * where each a number represents ONE byte; very wasteful, but potentially slightly faster. + * + * See the Memory component for details. + */ +var BYTEARRAYS = false; + +/** + * TYPEDARRAYS enables use of typed arrays for Memory blocks. This used to be a compile-time-only option, but I've + * added Memory access functions for typed arrays (see MemoryPDP11.afnTypedArray), so support can be enabled dynamically now. + * + * See the Memory component for details. + */ +var TYPEDARRAYS = (typeof ArrayBuffer !== 'undefined'); + +/* + * Combine all the shared globals and machine-specific globals into one machine-specific global object, + * which all machine components should start using; eg: "if (PDP11.DEBUG) ..." instead of "if (DEBUG) ...". + */ +var PDP11 = { + APPCLASS: APPCLASS, + APPNAME: APPNAME, + APPVERSION: APPVERSION, // shared + BYTEARRAYS: BYTEARRAYS, + COMPILED: COMPILED, // shared + CSSCLASS: CSSCLASS, // shared + DEBUG: DEBUG, // shared + DEBUGGER: DEBUGGER, + MAXDEBUG: MAXDEBUG, // shared + PRIVATE: PRIVATE, // shared + TYPEDARRAYS: TYPEDARRAYS, + SITEHOST: SITEHOST, // shared + XMLVERSION: XMLVERSION // shared +}; + +if (NODE) { + global.APPCLASS = APPCLASS; + global.APPNAME = APPNAME; + global.DEBUGGER = DEBUGGER; + global.BYTEARRAYS = BYTEARRAYS; + global.TYPEDARRAYS = TYPEDARRAYS; + global.PDP11 = PDP11; + + module.exports = PDP11; +} diff --git a/modules/pdp11/lib/keyboard.js b/modules/pdp11/lib/keyboard.js new file mode 100644 index 000000000..3311e6524 --- /dev/null +++ b/modules/pdp11/lib/keyboard.js @@ -0,0 +1,295 @@ +/** + * @fileoverview Implements the PDP11 Keyboard component. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +if (NODE) { + var str = require("../../shared/lib/strlib"); + var web = require("../../shared/lib/weblib"); + var Component = require("../../shared/lib/component"); + var PDP11 = require("./defines"); + var MessagesPDP11 = require("./messages"); +} + +/** + * KeyboardPDP11(parmsKbd) + * + * @constructor + * @extends Component + * @param {Object} parmsKbd + */ +function KeyboardPDP11(parmsKbd) +{ + Component.call(this, "Keyboard", parmsKbd, KeyboardPDP11, MessagesPDP11.KEYBOARD); + + this.setReady(); +} + +Component.subclass(KeyboardPDP11); + +/** + * Alphanumeric and other common (printable) ASCII codes. + * + * TODO: Determine what we can do to get ALL constants like these inlined by the Closure Compiler + * (enum doesn't seem to get the job done); the problem seems to be limited to property references + * that use quotes, which is why I've 'unquoted' as many of them as possible. + * + * @enum {number} + */ +KeyboardPDP11.ASCII = { + CTRL_A: 1, CTRL_C: 3, CTRL_Z: 26, + ' ': 32, '!': 33, '"': 34, '#': 35, '$': 36, '%': 37, '&': 38, "'": 39, + '(': 40, ')': 41, '*': 42, '+': 43, ',': 44, '-': 45, '.': 46, '/': 47, + '0': 48, '1': 49, '2': 50, '3': 51, '4': 52, '5': 53, '6': 54, '7': 55, + '8': 56, '9': 57, ':': 58, ';': 59, '<': 60, '=': 61, '>': 62, '?': 63, + '@': 64, A: 65, B: 66, C: 67, D: 68, E: 69, F: 70, G: 71, + H: 72, I: 73, J: 74, K: 75, L: 76, M: 77, N: 78, O: 79, + P: 80, Q: 81, R: 82, S: 83, T: 84, U: 85, V: 86, W: 87, + X: 88, Y: 89, Z: 90, '[': 91, '\\':92, ']': 93, '^': 94, '_': 95, + '`': 96, a: 97, b: 98, c: 99, d: 100, e: 101, f: 102, g: 103, + h: 104, i: 105, j: 106, k: 107, l: 108, m: 109, n: 110, o: 111, + p: 112, q: 113, r: 114, s: 115, t: 116, u: 117, v: 118, w: 119, + x: 120, y: 121, z: 122, '{':123, '|':124, '}':125, '~':126 +}; + +/** + * Browser keyCodes we must pay particular attention to. For the most part, these are non-alphanumeric + * or function keys, some which may require special treatment (eg, preventDefault() if returning false on + * the initial keyDown event is insufficient). + * + * keyCodes for most common ASCII keys can simply use the appropriate ASCII code above. + * + * Most of these represent non-ASCII characters (eg, the LEFT arrow key), yet for some reason, browsers + * defined them using ASCII codes (eg, the LEFT arrow key uses 37, which is the ASCII code for '%'). + * + * @enum {number} + */ +KeyboardPDP11.KEYCODE = { + /* 0x08 */ BS: 8, + /* 0x09 */ TAB: 9, + /* 0x0A */ LF: 10, // TODO: Determine if any key actually generates this (I suspect there is none) + /* 0x0D */ CR: 13, + /* 0x10 */ SHIFT: 16, + /* 0x11 */ CTRL: 17, + /* 0x12 */ ALT: 18, + /* 0x13 */ PAUSE: 19, // PAUSE/BREAK + /* 0x14 */ CAPSLOCK: 20, + /* 0x1B */ ESC: 27, + /* 0x20 */ SPACE: 32, + /* 0x21 */ PGUP: 33, + /* 0x22 */ PGDN: 34, + /* 0x23 */ END: 35, + /* 0x24 */ HOME: 36, + /* 0x25 */ LEFT: 37, + /* 0x26 */ UP: 38, + /* 0x27 */ RIGHT: 39, + /* 0x27 */ FF_QUOTE: 39, + /* 0x28 */ DOWN: 40, + /* 0x2C */ FF_COMMA: 44, + /* 0x2C */ PRTSC: 44, + /* 0x2D */ INS: 45, + /* 0x2E */ DEL: 46, + /* 0x2E */ FF_PERIOD: 46, + /* 0x2F */ FF_SLASH: 47, + /* 0x30 */ ZERO: 48, + /* 0x31 */ ONE: 49, + /* 0x32 */ TWO: 50, + /* 0x33 */ THREE: 51, + /* 0x34 */ FOUR: 52, + /* 0x35 */ FIVE: 53, + /* 0x36 */ SIX: 54, + /* 0x37 */ SEVEN: 55, + /* 0x38 */ EIGHT: 56, + /* 0x39 */ NINE: 57, + /* 0x3B */ FF_SEMI: 59, + /* 0x3D */ FF_EQUALS: 61, + /* 0x5B */ CMD: 91, // aka WIN + /* 0x5B */ FF_LBRACK: 91, + /* 0x5C */ FF_BSLASH: 92, + /* 0x5D */ RCMD: 93, // aka MENU + /* 0x5D */ FF_RBRACK: 93, + /* 0x60 */ NUM_0: 96, + /* 0x60 */ NUM_INS: 96, + /* 0x60 */ FF_BQUOTE: 96, + /* 0x61 */ NUM_1: 97, + /* 0x61 */ NUM_END: 97, + /* 0x62 */ NUM_2: 98, + /* 0x62 */ NUM_DOWN: 98, + /* 0x63 */ NUM_3: 99, + /* 0x63 */ NUM_PGDN: 99, + /* 0x64 */ NUM_4: 100, + /* 0x64 */ NUM_LEFT: 100, + /* 0x65 */ NUM_5: 101, + /* 0x65 */ NUM_CENTER: 101, + /* 0x66 */ NUM_6: 102, + /* 0x66 */ NUM_RIGHT: 102, + /* 0x67 */ NUM_7: 103, + /* 0x67 */ NUM_HOME: 103, + /* 0x68 */ NUM_8: 104, + /* 0x68 */ NUM_UP: 104, + /* 0x69 */ NUM_9: 105, + /* 0x69 */ NUM_PGUP: 105, + /* 0x6A */ NUM_MUL: 106, + /* 0x6B */ NUM_ADD: 107, + /* 0x6D */ NUM_SUB: 109, + /* 0x6E */ NUM_DEL: 110, // aka PERIOD + /* 0x6F */ NUM_DIV: 111, + /* 0x70 */ F1: 112, + /* 0x71 */ F2: 113, + /* 0x72 */ F3: 114, + /* 0x73 */ F4: 115, + /* 0x74 */ F5: 116, + /* 0x75 */ F6: 117, + /* 0x76 */ F7: 118, + /* 0x77 */ F8: 119, + /* 0x78 */ F9: 120, + /* 0x79 */ F10: 121, + /* 0x7A */ F11: 122, + /* 0x7B */ F12: 123, + /* 0x90 */ NUM_LOCK: 144, + /* 0x91 */ SCROLL_LOCK: 145, + /* 0xAD */ FF_DASH: 173, + /* 0xBA */ SEMI: 186, // Firefox: 59 + /* 0xBB */ EQUALS: 187, // Firefox: 61 + /* 0xBC */ COMMA: 188, // Firefox: 44 + /* 0xBD */ DASH: 189, // Firefox: 173 + /* 0xBE */ PERIOD: 190, // Firefox: 46 + /* 0xBF */ SLASH: 191, // Firefox: 47 + /* 0xC0 */ BQUOTE: 192, // Firefox: 96 + /* 0xDB */ LBRACK: 219, // Firefox: 91 + /* 0xDC */ BSLASH: 220, // Firefox: 92 + /* 0xDD */ RBRACK: 221, // Firefox: 93 + /* 0xDE */ QUOTE: 222, // Firefox: 39 + /* 0xE0 */ FF_CMD: 224, // Firefox only (used for both CMD and RCMD) + // + // The following biases use what I'll call Decimal Coded Binary or DCB (the opposite of BCD), + // where the thousands digit is used to store the sum of "binary" digits 1 and/or 2 and/or 4. + // + // Technically, that makes it DCO (Decimal Coded Octal), but then again, BCD should have really + // been called HCD (Hexadecimal Coded Decimal), so if "they" can take liberties, so can I. + // + // ONDOWN is a bias we add to browser keyCodes that we want to handle on "down" rather than on "press". + // + ONDOWN: 1000, + // + // ONRIGHT is a bias we add to browser keyCodes that need to check for a "right" location (default is "left") + // + ONRIGHT: 2000, + // + // FAKE is a bias we add to signal these are fake keyCodes corresponding to internal keystroke combinations. + // The actual values are for internal use only and merely need to be unique and used consistently. + // + FAKE: 4000 +}; + +/* + * Check the event object's 'location' property for a non-zero value for the following ONRIGHT keys. + */ +KeyboardPDP11.KEYCODE.NUM_CR = KeyboardPDP11.KEYCODE.CR + KeyboardPDP11.KEYCODE.ONRIGHT; + +/* + * Maps "stupid" keyCodes to their "non-stupid" counterparts + */ +KeyboardPDP11.STUPID_KEYCODES = {}; +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.SEMI] = KeyboardPDP11.ASCII[';']; // 186 -> 59 +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.EQUALS] = KeyboardPDP11.ASCII['=']; // 187 -> 61 +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.COMMA] = KeyboardPDP11.ASCII[',']; // 188 -> 44 +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.DASH] = KeyboardPDP11.ASCII['-']; // 189 -> 45 +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.PERIOD] = KeyboardPDP11.ASCII['.']; // 190 -> 46 +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.SLASH] = KeyboardPDP11.ASCII['/']; // 191 -> 47 +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.BQUOTE] = KeyboardPDP11.ASCII['`']; // 192 -> 96 +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.LBRACK] = KeyboardPDP11.ASCII['[']; // 219 -> 91 +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.BSLASH] = KeyboardPDP11.ASCII['\\']; // 220 -> 92 +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.RBRACK] = KeyboardPDP11.ASCII[']']; // 221 -> 93 +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.QUOTE] = KeyboardPDP11.ASCII["'"]; // 222 -> 39 +KeyboardPDP11.STUPID_KEYCODES[KeyboardPDP11.KEYCODE.FF_DASH] = KeyboardPDP11.ASCII['-']; + +KeyboardPDP11.MINPRESSTIME = 100; // 100ms + +/** + * setBinding(sHTMLType, sBinding, control, sValue) + * + * @this {KeyboardPDP11} + * @param {string|null} sHTMLType is the type of the HTML control (eg, "button", "list", "text", "submit", "textarea", "canvas") + * @param {string} sBinding is the value of the 'binding' parameter stored in the HTML control's "data-value" attribute (eg, "esc") + * @param {Object} control is the HTML control DOM object (eg, HTMLButtonElement) + * @param {string} [sValue] optional data value + * @return {boolean} true if binding was successful, false if unrecognized binding request + */ +KeyboardPDP11.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) +{ + return false; +}; + +/** + * initBus(cmp, bus, cpu, dbg) + * + * @this {KeyboardPDP11} + * @param {ComputerPDP11} cmp + * @param {BusPDP11} bus + * @param {CPUStatePDP11} cpu + * @param {DebuggerPDP11} dbg + */ +KeyboardPDP11.prototype.initBus = function(cmp, bus, cpu, dbg) +{ + this.cmp = cmp; + this.cpu = cpu; + this.dbg = dbg; // NOTE: The "dbg" property must be set for the message functions to work + this.chipset = null; // /** @type {ChipSetPDP11} */ (cmp.getMachineComponent("ChipSet")); +}; + +/** + * KeyboardPDP11.init() + * + * This function operates on every HTML element of class "keyboard", extracting the + * JSON-encoded parameters for the Keyboard constructor from the element's "data-value" + * attribute, invoking the constructor to create a Keyboard component, and then binding + * any associated HTML controls to the new component. + */ +KeyboardPDP11.init = function() +{ + var aeKbd = Component.getElementsByClass(document, PDP11.APPCLASS, "keyboard"); + for (var iKbd = 0; iKbd < aeKbd.length; iKbd++) { + var eKbd = aeKbd[iKbd]; + var parmsKbd = Component.getComponentParms(eKbd); + var kbd = new KeyboardPDP11(parmsKbd); + Component.bindComponentControls(kbd, eKbd, PDP11.APPCLASS); + } +}; + +/* + * Initialize every Keyboard module on the page. + */ +web.onInit(KeyboardPDP11.init); + +if (NODE) module.exports = KeyboardPDP11; diff --git a/modules/pdp11/lib/memory.js b/modules/pdp11/lib/memory.js new file mode 100644 index 000000000..42858eca7 --- /dev/null +++ b/modules/pdp11/lib/memory.js @@ -0,0 +1,826 @@ +/** + * @fileoverview Implements the PDP11 Memory component. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +if (NODE) { + var str = require("../../shared/lib/strlib"); + var Component = require("../../shared/lib/component"); + var CPUDefPDP11 = require("./cpudef"); + var MessagesPDP11 = require("./messages"); +} + +/** + * @class DataView + * @property {function(number,boolean):number} getUint8 + * @property {function(number,number,boolean)} setUint8 + * @property {function(number,boolean):number} getUint16 + * @property {function(number,number,boolean)} setUint16 + * @property {function(number,boolean):number} getInt32 + * @property {function(number,number,boolean)} setInt32 + */ + +var littleEndian = (TYPEDARRAYS? (function() { + var buffer = new ArrayBuffer(2); + new DataView(buffer).setUint16(0, 256, true); + return new Uint16Array(buffer)[0] === 256; +})() : false); + +/** + * MemoryPDP11(addr, used, size, type) + * + * The Bus component allocates MemoryPDP11 objects so that each has a memory buffer with a + * block-granular starting address and an address range equal to bus.nBlockSize; however, + * the size of any given MemoryPDP11 object's underlying buffer can be either zero or bus.nBlockSize; + * memory read/write functions for empty (buffer-less) blocks are mapped to readNone/writeNone. + * + * The Bus allocates empty blocks for the entire address space during initialization, so that + * any reads/writes to undefined addresses will have no effect. Later, the ROM and RAM + * components will ask the Bus to allocate memory for specific ranges, and the Bus will allocate + * as many new blockSize MemoryPDP11 objects as the ranges require. Partial MemoryPDP11 blocks could + * also be supported in theory, but in practice, they're not. + * + * Because MemoryPDP11 blocks now allow us to have a "sparse" address space, we could choose to + * take the memory hit of allocating 4K arrays per block, where each element stores only one byte, + * instead of the more frugal but slightly slower approach of allocating arrays of 32-bit dwords + * (LONGARRAYS) and shifting/masking bytes/words to/from dwords; in theory, byte accesses would + * be faster and word accesses somewhat less faster. + * + * However, preliminary testing of that feature (BYTEARRAYS) did not yield significantly faster + * performance, so it is OFF by default to minimize our memory consumption. Using TYPEDARRAYS + * would seem best, but as discussed in defines.js, it's off by default, because it doesn't perform + * as well as LONGARRAYS; the other advantage of TYPEDARRAYS is that it should theoretically use + * about 1/2 the memory of LONGARRAYS (32-bit elements vs 64-bit numbers), but I value speed over + * size at this point. Also, not all JavaScript implementations support TYPEDARRAYS (IE9 is probably + * the only real outlier: it lacks typed arrays but otherwise has all the necessary HTML5 support). + * + * WARNING: Since MemoryPDP11 blocks are low-level objects that have no UI requirements, they + * do not inherit from the Component class, so if you want to use any Component class methods, + * such as Component.assert(), use the corresponding Debugger methods instead (assuming a debugger + * is available). + * + * @constructor + * @param {number|null} [addr] of lowest used address in block + * @param {number} [used] portion of block in bytes (0 for none); must be a multiple of 4 + * @param {number} [size] of block's buffer in bytes (0 for none); must be a multiple of 4 + * @param {number} [type] is one of the MemoryPDP11.TYPE constants (default is MemoryPDP11.TYPE.NONE) + */ +function MemoryPDP11(addr, used, size, type) +{ + var i; + this.id = (MemoryPDP11.idBlock += 2); + this.adw = null; + this.offset = 0; + this.addr = addr; + this.used = used; + this.size = size || 0; + this.type = type || MemoryPDP11.TYPE.NONE; + this.fReadOnly = (type == MemoryPDP11.TYPE.ROM); + this.copyBreakpoints(); // initialize the block's Debugger info; the caller will reinitialize + + /* + * TODO: Study the impact of dirty block tracking. The original purposes were to allow saveMemory() + * to save only dirty blocks, and to enable the Video component to quickly detect changes to the video buffer. + * But the benefit to saveMemory() is minimal, and the Video component has other options; for example, it now + * uses a custom memory controller for all EGA/VGA video modes, which performs its own dirty block tracking, + * and that could easily be extended to the older MDA/CGA video modes, which still use conventional memory blocks. + * Alternatively, we could restrict the use of dirty block tracking to certain memory types (eg, VIDEO memory). + * + * However, a quick test with dirty block tracking disabled didn't yield a noticeable improvement in performance, + * so I think the overhead of our block-based architecture is swamping the impact of these micro-updates. + */ + this.fDirty = this.fDirtyEver = false; + + /* + * For empty memory blocks, all we need to do is ensure all access functions are mapped to "none" handlers. + */ + if (!size) { + this.setAccess(); + return; + } + + /* + * This is the normal case: allocate a buffer that provides 8 bits of data per address; + * no controller is required because our default memory access functions (see afnMemory) + * know how to deal with this simple 1-1 mapping of addresses to bytes and words. + * + * TODO: Consider initializing the memory array to random (or pseudo-random) values in DEBUG + * mode; pseudo-random might be best, to help make any bugs reproducible. + */ + if (TYPEDARRAYS) { + this.buffer = new ArrayBuffer(size); + this.dv = new DataView(this.buffer, 0, size); + /* + * If littleEndian is true, we can use ab[], aw[] and adw[] directly; well, we can use them + * whenever the offset is a multiple of 1, 2 or 4, respectively. Otherwise, we must fallback to + * dv.getUint8()/dv.setUint8(), dv.getUint16()/dv.setUint16() and dv.getInt32()/dv.setInt32(). + */ + this.ab = new Uint8Array(this.buffer, 0, size); + this.aw = new Uint16Array(this.buffer, 0, size >> 1); + this.adw = new Int32Array(this.buffer, 0, size >> 2); + this.setAccess(littleEndian? MemoryPDP11.afnArrayLE : MemoryPDP11.afnArrayBE); + } else { + if (BYTEARRAYS) { + this.ab = new Array(size); + } else { + /* + * NOTE: This is the default mode of operation (!TYPEDARRAYS && !BYTEARRAYS), because it + * seems to provide the best performance; and although in theory, that performance might + * come at twice the overhead of TYPEDARRAYS, it's increasingly likely that the JavaScript + * runtime will notice that all we ever store are 32-bit values, and optimize accordingly. + */ + this.adw = new Array(size >> 2); + for (i = 0; i < this.adw.length; i++) this.adw[i] = 0; + } + this.setAccess(MemoryPDP11.afnMemory); + } +} + +/* + * Basic memory types + * + * RAM is the most conventional memory type, providing full read/write capability to x86-compatible (ie, + * 'little endian") storage. ROM is equally conventional, except that the fReadOnly property is set, + * disabling writes. VIDEO is treated exactly like RAM, unless a controller is provided. Both RAM and + * VIDEO memory are always considered writable, and even ROM can be written using the Bus setByteDirect() + * interface (which in turn uses the MemoryPDP11 writeByteDirect() interface), allowing the ROM component to + * initialize its own memory. The CTRL type is used to identify memory-mapped devices that do not need + * any default storage and always provide their own controller. + * + * Unallocated regions of the address space contain a special memory block of type NONE that contains + * no storage. Mapping every addressible location to a memory block allows all accesses to be routed in + * exactly the same manner, without resorting to any range or processor checks. + * + * These types are not mutually exclusive. For example, VIDEO memory could be allocated as RAM, with or + * without a custom controller (the original Monochrome and CGA video cards used read/write storage that + * was indistinguishable from RAM), and CTRL memory could be allocated as an empty block of any type, with + * a custom controller. A few types are required for certain features (eg, ROM is required if you want + * read-only memory), but the larger purpose of these types is to help document the caller's intent and to + * provide the Control Panel with the ability to highlight memory regions accordingly. + */ +MemoryPDP11.TYPE = { + NONE: 0, + RAM: 1, + ROM: 2, + VIDEO: 3, + CTRL: 4, + COLORS: ["black", "blue", "green", "cyan"], + NAMES: ["NONE", "RAM", "ROM", "VID", "H/W"] +}; + +/* + * Last used block ID (used for debugging only) + */ +MemoryPDP11.idBlock = 0; + +/** + * adjustEndian(dw) + * + * @param {number} dw + * @return {number} + */ +MemoryPDP11.adjustEndian = function(dw) { + if (TYPEDARRAYS && !littleEndian) { + dw = (dw << 24) | ((dw << 8) & 0x00ff0000) | ((dw >> 8) & 0x0000ff00) | (dw >>> 24); + } + return dw; +}; + +MemoryPDP11.prototype = { + constructor: MemoryPDP11, + parent: null, + /** + * init(addr) + * + * Quick reinitializer when reusing a MemoryPDP11 block. + * + * @this {MemoryPDP11} + * @param {number} addr + */ + init: function(addr) { + this.addr = addr; + }, + /** + * clone(mem, type) + * + * Converts the current MemoryPDP11 block (this) into a clone of the given MemoryPDP11 block (mem), + * and optionally overrides the current block's type with the specified type. + * + * @this {MemoryPDP11} + * @param {MemoryPDP11} mem + * @param {number} [type] + * @param {DebuggerPDP11} [dbg] + */ + clone: function(mem, type, dbg) { + /* + * Original memory block IDs are even; cloned memory block IDs are odd; + * the original ID of the current block is lost, but that's OK, since it was presumably + * produced merely to become a clone. + */ + this.id = mem.id | 0x1; + this.used = mem.used; + this.size = mem.size; + if (type) { + this.type = type; + this.fReadOnly = (type == MemoryPDP11.TYPE.ROM); + } + if (TYPEDARRAYS) { + this.buffer = mem.buffer; + this.dv = mem.dv; + this.ab = mem.ab; + this.aw = mem.aw; + this.adw = mem.adw; + this.setAccess(littleEndian? MemoryPDP11.afnArrayLE : MemoryPDP11.afnArrayBE); + } else { + if (BYTEARRAYS) { + this.ab = mem.ab; + } else { + this.adw = mem.adw; + } + this.setAccess(MemoryPDP11.afnMemory); + } + this.copyBreakpoints(dbg, mem); + }, + /** + * save() + * + * This gets the contents of a MemoryPDP11 block as an array of 32-bit values; used by BusPDP11.saveMemory(), + * which in turn is called by CPUStatePDP11.save(). + * + * MemoryPDP11 blocks with custom memory controllers do NOT save their contents; that's the responsibility + * of the controller component. + * + * @this {MemoryPDP11} + * @return {Array|Int32Array|null} + */ + save: function() { + var adw, i; + if (BYTEARRAYS) { + adw = new Array(this.size >> 2); + var off = 0; + for (i = 0; i < adw.length; i++) { + adw[i] = this.ab[off] | (this.ab[off + 1] << 8) | (this.ab[off + 2] << 16) | (this.ab[off + 3] << 24); + off += 4; + } + } + else if (TYPEDARRAYS) { + /* + * It might be tempting to just return a copy of Int32Array(this.buffer, 0, this.size >> 2), + * but we can't be sure of the "endianness" of an Int32Array -- which would be OK if the array + * was always saved/restored on the same machine, but there's no guarantee of that, either. + * So we use getInt32() and require little-endian values. + * + * Moreover, an Int32Array isn't treated by JSON.stringify() and JSON.parse() exactly like + * a normal array; it's serialized as an Object rather than an Array, so it lacks a "length" + * property and causes problems for State.store() and State.parse(). + */ + adw = new Array(this.size >> 2); + for (i = 0; i < adw.length; i++) { + adw[i] = this.dv.getInt32(i << 2, true); + } + } + else { + adw = this.adw; + } + return adw; + }, + /** + * restore(adw) + * + * This restores the contents of a MemoryPDP11 block from an array of 32-bit values; + * used by BusPDP11.restoreMemory(), which is called by CPUStatePDP11.restore(), after all other + * components have been restored and thus all MemoryPDP11 blocks have been allocated + * by their respective components. + * + * @this {MemoryPDP11} + * @param {Array|null} adw + * @return {boolean} true if successful, false if block size mismatch + */ + restore: function(adw) { + /* + * At this point, it's a consistency error for adw to be null; it's happened once already, + * when there was a restore bug in the Video component that added the frame buffer at the video + * card's "spec'ed" address instead of the programmed address, so there were no controller-owned + * memory blocks installed at the programmed address, and so we arrived here at a block with + * no controller AND no data. + */ + Component.assert(adw != null); + + if (adw && this.size == adw.length << 2) { + var i; + if (BYTEARRAYS) { + var off = 0; + for (i = 0; i < adw.length; i++) { + this.ab[off] = adw[i] & 0xff; + this.ab[off + 1] = (adw[i] >> 8) & 0xff; + this.ab[off + 2] = (adw[i] >> 16) & 0xff; + this.ab[off + 3] = (adw[i] >> 24) & 0xff; + off += 4; + } + } else if (TYPEDARRAYS) { + for (i = 0; i < adw.length; i++) { + this.dv.setInt32(i << 2, adw[i], true); + } + } else { + this.adw = adw; + } + this.fDirty = true; + return true; + } + return false; + }, + /** + * setAccess(afn, fDirect) + * + * If no function table is specified, a default is selected based on the MemoryPDP11 type. + * + * @this {MemoryPDP11} + * @param {Array.} [afn] function table + * @param {boolean} [fDirect] (true to update direct access functions as well; default is true) + */ + setAccess: function(afn, fDirect) { + if (!afn) { + Component.assert(this.type == MemoryPDP11.TYPE.NONE); + afn = MemoryPDP11.afnNone; + } + this.setReadAccess(afn, fDirect); + this.setWriteAccess(afn, fDirect); + }, + /** + * setReadAccess(afn, fDirect) + * + * @this {MemoryPDP11} + * @param {Array.} afn + * @param {boolean} [fDirect] + */ + setReadAccess: function(afn, fDirect) { + if (!fDirect || !this.cReadBreakpoints) { + this.readByte = afn[0] || this.readNone; + this.readShort = afn[1] || this.readShortDefault; + } + if (fDirect || fDirect === undefined) { + this.readByteDirect = afn[0] || this.readNone; + this.readShortDirect = afn[1] || this.readShortDefault; + } + }, + /** + * setWriteAccess(afn, fDirect) + * + * @this {MemoryPDP11} + * @param {Array.} afn + * @param {boolean} [fDirect] + */ + setWriteAccess: function(afn, fDirect) { + if (!fDirect || !this.cWriteBreakpoints) { + this.writeByte = !this.fReadOnly && afn[2] || this.writeNone; + this.writeShort = !this.fReadOnly && afn[3] || this.writeShortDefault; + } + if (fDirect || fDirect === undefined) { + this.writeByteDirect = afn[2] || this.writeNone; + this.writeShortDirect = afn[3] || this.writeShortDefault; + } + }, + /** + * resetReadAccess() + * + * @this {MemoryPDP11} + */ + resetReadAccess: function() { + this.readByte = this.readByteDirect; + this.readShort = this.readShortDirect; + }, + /** + * resetWriteAccess() + * + * @this {MemoryPDP11} + */ + resetWriteAccess: function() { + this.writeByte = this.fReadOnly? this.writeNone : this.writeByteDirect; + this.writeShort = this.fReadOnly? this.writeShortDefault : this.writeShortDirect; + }, + /** + * printAddr(sMessage) + * + * @this {MemoryPDP11} + * @param {string} sMessage + */ + printAddr: function(sMessage) { + if (DEBUG && this.dbg && this.dbg.messageEnabled(MessagesPDP11.MEM)) { + this.dbg.printMessage(sMessage + ' ' + (this.addr != null? ('%' + str.toHex(this.addr)) : '#' + this.id), true); + } + }, + /** + * addBreakpoint(off, fWrite) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {boolean} fWrite + */ + addBreakpoint: function(off, fWrite) { + if (!fWrite) { + if (this.cReadBreakpoints++ === 0) { + this.setReadAccess(MemoryPDP11.afnChecked, false); + } + if (DEBUG) this.printAddr("read breakpoint added to memory block"); + } + else { + if (this.cWriteBreakpoints++ === 0) { + this.setWriteAccess(MemoryPDP11.afnChecked, false); + } + if (DEBUG) this.printAddr("write breakpoint added to memory block"); + } + }, + /** + * removeBreakpoint(off, fWrite) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {boolean} fWrite + */ + removeBreakpoint: function(off, fWrite) { + if (!fWrite) { + if (--this.cReadBreakpoints === 0) { + this.resetReadAccess(); + if (DEBUG) this.printAddr("all read breakpoints removed from memory block"); + } + Component.assert(this.cReadBreakpoints >= 0); + } + else { + if (--this.cWriteBreakpoints === 0) { + this.resetWriteAccess(); + if (DEBUG) this.printAddr("all write breakpoints removed from memory block"); + } + Component.assert(this.cWriteBreakpoints >= 0); + } + }, + /** + * copyBreakpoints(dbg, mem) + * + * @this {MemoryPDP11} + * @param {DebuggerPDP11} [dbg] + * @param {MemoryPDP11} [mem] (outgoing MemoryPDP11 block to copy breakpoints from, if any) + */ + copyBreakpoints: function(dbg, mem) { + this.dbg = dbg; + this.cReadBreakpoints = this.cWriteBreakpoints = 0; + if (mem) { + if ((this.cReadBreakpoints = mem.cReadBreakpoints)) { + this.setReadAccess(MemoryPDP11.afnChecked, false); + } + if ((this.cWriteBreakpoints = mem.cWriteBreakpoints)) { + this.setWriteAccess(MemoryPDP11.afnChecked, false); + } + } + }, + /** + * readNone(off) + * + * Previously, this always returned 0x00, but the initial memory probe by the COMPAQ DeskPro 386 ROM BIOS + * writes 0x0000 to the first word of every 64Kb block in the nearly 16Mb address space it supports, and + * if it reads back 0x0000, it will initially think that LOTS of RAM exists, only to be disappointed later + * when it performs a more exhaustive memory test, generating unwanted error messages in the process. + * + * TODO: Determine if we should have separate readByteNone(), readShortNone() and readLongNone() functions + * to return 0xff, 0xffff and 0xffffffff|0, respectively. This seems sufficient for now, as it seems unlikely + * that a system would require nonexistent memory locations to return ALL bits set. + * + * Also, I'm reluctant to address that potential issue by simply returning -1, because to date, the above + * MemoryPDP11 interfaces have always returned values that are properly masked to 8, 16 or 32 bits, respectively. + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @return {number} + */ + readNone: function readNone(off, addr) { + if (DEBUGGER && this.dbg && this.dbg.messageEnabled(MessagesPDP11.CPU | MessagesPDP11.MEM) /* && !off */) { + this.dbg.message("attempt to read invalid block %" + str.toHex(this.addr), true); + } + return 0xff; + }, + /** + * writeNone(off, v, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} v (could be either a byte or word value, since we use the same handler for both kinds of accesses) + * @param {number} addr + */ + writeNone: function writeNone(off, v, addr) { + if (DEBUGGER && this.dbg && this.dbg.messageEnabled(MessagesPDP11.CPU | MessagesPDP11.MEM) /* && !off */) { + this.dbg.message("attempt to write " + str.toHexWord(v) + " to invalid block %" + str.toHex(this.addr), true); + } + }, + /** + * readShortDefault(off, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @return {number} + */ + readShortDefault: function readShortDefault(off, addr) { + return this.readByte(off++, addr++) | (this.readByte(off, addr) << 8); + }, + /** + * writeShortDefault(off, w, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} w + * @param {number} addr + */ + writeShortDefault: function writeShortDefault(off, w, addr) { + this.writeByte(off++, w & 0xff, addr++); + this.writeByte(off, w >> 8, addr); + }, + /** + * readByteMemory(off, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @return {number} + */ + readByteMemory: function readByteMemory(off, addr) { + if (BYTEARRAYS) { + return this.ab[off]; + } + return ((this.adw[off >> 2] >>> ((off & 0x3) << 3)) & 0xff); + }, + /** + * readShortMemory(off, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @return {number} + */ + readShortMemory: function readShortMemory(off, addr) { + if (BYTEARRAYS) { + return this.ab[off] | (this.ab[off + 1] << 8); + } + var w; + var idw = off >> 2; + var nShift = (off & 0x3) << 3; + var dw = (this.adw[idw] >> nShift); + if (nShift < 24) { + w = dw & 0xffff; + } else { + w = (dw & 0xff) | ((this.adw[idw + 1] & 0xff) << 8); + } + return w; + }, + /** + * writeByteMemory(off, b, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} b + * @param {number} addr + */ + writeByteMemory: function writeByteMemory(off, b, addr) { + if (BYTEARRAYS) { + this.ab[off] = b; + } else { + var idw = off >> 2; + var nShift = (off & 0x3) << 3; + this.adw[idw] = (this.adw[idw] & ~(0xff << nShift)) | (b << nShift); + } + this.fDirty = true; + }, + /** + * writeShortMemory(off, w, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} w + * @param {number} addr + */ + writeShortMemory: function writeShortMemory(off, w, addr) { + if (BYTEARRAYS) { + this.ab[off] = (w & 0xff); + this.ab[off + 1] = (w >> 8); + } else { + var idw = off >> 2; + var nShift = (off & 0x3) << 3; + if (nShift < 24) { + this.adw[idw] = (this.adw[idw] & ~(0xffff << nShift)) | (w << nShift); + } else { + this.adw[idw] = (this.adw[idw] & 0x00ffffff) | (w << 24); + idw++; + this.adw[idw] = (this.adw[idw] & (0xffffff00|0)) | (w >> 8); + } + } + this.fDirty = true; + }, + /** + * readByteChecked(off, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @return {number} + */ + readByteChecked: function readByteChecked(off, addr) { + if (DEBUGGER && this.dbg && this.addr != null) { + this.dbg.checkMemoryRead(this.addr + off); + } + return this.readByteDirect(off, addr); + }, + /** + * readShortChecked(off, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @return {number} + */ + readShortChecked: function readShortChecked(off, addr) { + if (DEBUGGER && this.dbg && this.addr != null) { + this.dbg.checkMemoryRead(this.addr + off, 2); + } + return this.readShortDirect(off, addr); + }, + /** + * writeByteChecked(off, b, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @param {number} b + */ + writeByteChecked: function writeByteChecked(off, b, addr) { + if (DEBUGGER && this.dbg && this.addr != null) { + this.dbg.checkMemoryWrite(this.addr + off); + } + if (this.fReadOnly) this.writeNone(off, b, addr); else this.writeByteDirect(off, b, addr); + }, + /** + * writeShortChecked(off, w, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @param {number} w + */ + writeShortChecked: function writeShortChecked(off, w, addr) { + if (DEBUGGER && this.dbg && this.addr != null) { + this.dbg.checkMemoryWrite(this.addr + off, 2) + } + if (this.fReadOnly) this.writeNone(off, w, addr); else this.writeShortDirect(off, w, addr); + }, + /** + * readByteBE(off, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @return {number} + */ + readByteBE: function readByteBE(off, addr) { + return this.ab[off]; + }, + /** + * readByteLE(off, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @return {number} + */ + readByteLE: function readByteLE(off, addr) { + return this.ab[off]; + }, + /** + * readShortBE(off, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @return {number} + */ + readShortBE: function readShortBE(off, addr) { + return this.dv.getUint16(off, true); + }, + /** + * readShortLE(off, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @return {number} + */ + readShortLE: function readShortLE(off, addr) { + /* + * TODO: It remains to be seen if there's any advantage to checking the offset for an aligned read + * vs. always reading the bytes separately; it seems a safe bet for longs, but it's less clear for shorts. + */ + return (off & 0x1)? (this.ab[off] | (this.ab[off+1] << 8)) : this.aw[off >> 1]; + }, + /** + * writeByteBE(off, b, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} b + * @param {number} addr + */ + writeByteBE: function writeByteBE(off, b, addr) { + this.ab[off] = b; + this.fDirty = true; + }, + /** + * writeByteLE(off, b, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @param {number} b + */ + writeByteLE: function writeByteLE(off, b, addr) { + this.ab[off] = b; + this.fDirty = true; + }, + /** + * writeShortBE(off, w, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @param {number} w + */ + writeShortBE: function writeShortBE(off, w, addr) { + this.dv.setUint16(off, w, true); + this.fDirty = true; + }, + /** + * writeShortLE(off, w, addr) + * + * @this {MemoryPDP11} + * @param {number} off + * @param {number} addr + * @param {number} w + */ + writeShortLE: function writeShortLE(off, w, addr) { + /* + * TODO: It remains to be seen if there's any advantage to checking the offset for an aligned write + * vs. always writing the bytes separately; it seems a safe bet for longs, but it's less clear for shorts. + */ + if (off & 0x1) { + this.ab[off] = w; + this.ab[off+1] = w >> 8; + } else { + this.aw[off >> 1] = w; + } + this.fDirty = true; + } +}; + +/* + * This is the effective definition of afnNone, but we need not fully define it, because setAccess() + * uses these defaults when any of the 6 handlers (ie, 3 read handlers and 3 write handlers) are undefined. + * +MemoryPDP11.afnNone = [MemoryPDP11.prototype.readNone, MemoryPDP11.prototype.readShortDefault, MemoryPDP11.prototype.writeNone, MemoryPDP11.prototype.writeShortDefault]; + */ + +MemoryPDP11.afnNone = []; +MemoryPDP11.afnMemory = [MemoryPDP11.prototype.readByteMemory, MemoryPDP11.prototype.readShortMemory, MemoryPDP11.prototype.writeByteMemory, MemoryPDP11.prototype.writeShortMemory]; +MemoryPDP11.afnChecked = [MemoryPDP11.prototype.readByteChecked, MemoryPDP11.prototype.readShortChecked, MemoryPDP11.prototype.writeByteChecked, MemoryPDP11.prototype.writeShortChecked]; + +if (TYPEDARRAYS) { + MemoryPDP11.afnArrayBE = [MemoryPDP11.prototype.readByteBE, MemoryPDP11.prototype.readShortBE, MemoryPDP11.prototype.writeByteBE, MemoryPDP11.prototype.writeShortBE]; + MemoryPDP11.afnArrayLE = [MemoryPDP11.prototype.readByteLE, MemoryPDP11.prototype.readShortLE, MemoryPDP11.prototype.writeByteLE, MemoryPDP11.prototype.writeShortLE]; +} + +if (NODE) module.exports = MemoryPDP11; diff --git a/modules/pdp11/lib/messages.js b/modules/pdp11/lib/messages.js new file mode 100644 index 000000000..4b0ac3814 --- /dev/null +++ b/modules/pdp11/lib/messages.js @@ -0,0 +1,89 @@ +/** + * @fileoverview Defines PDP11 message categories. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +var MessagesPDP11 = { + CPU: 0x00000001, + BUS: 0x00000040, + MEM: 0x00000080, + KEYBOARD: 0x00010000, + KEYS: 0x00020000, + DISK: 0x00200000, + SERIAL: 0x00800000, + SPEAKER: 0x02000000, + COMPUTER: 0x04000000, + LOG: 0x10000000, + WARN: 0x20000000, + BUFFER: 0x40000000, + HALT: 0x80000000|0 +}; + +/* + * Message categories supported by the messageEnabled() function and other assorted message + * functions. Each category has a corresponding bit value that can be combined (ie, OR'ed) as + * needed. The Debugger's message command ("m") is used to turn message categories on and off, + * like so: + * + * m port on + * m port off + * ... + * + * NOTE: The order of these categories can be rearranged, alphabetized, etc, as desired; just be + * aware that changing the bit values could break saved Debugger states (not a huge concern, just + * something to be aware of). + */ +MessagesPDP11.CATEGORIES = { + "cpu": MessagesPDP11.CPU, + "bus": MessagesPDP11.BUS, + "mem": MessagesPDP11.MEM, + "keyboard": MessagesPDP11.KEYBOARD, // "kbd" is also allowed as shorthand for "keyboard"; see doMessages() + "key": MessagesPDP11.KEYS, // using "key" instead of "keys", since the latter is a method on JavasScript objects + "disk": MessagesPDP11.DISK, + "serial": MessagesPDP11.SERIAL, + "speaker": MessagesPDP11.SPEAKER, + "computer": MessagesPDP11.COMPUTER, + "log": MessagesPDP11.LOG, + "warn": MessagesPDP11.WARN, + /* + * Now we turn to message actions rather than message types; for example, setting "halt" + * on or off doesn't enable "halt" messages, but rather halts the CPU on any message above. + * + * Similarly, "m buffer on" turns on message buffering, deferring the display of all messages + * until "m buffer off" is issued. + */ + "buffer": MessagesPDP11.BUFFER, + "halt": MessagesPDP11.HALT +}; + +if (NODE) module.exports = MessagesPDP11; diff --git a/modules/pdp11/lib/nodebugger.js b/modules/pdp11/lib/nodebugger.js new file mode 100644 index 000000000..4b4f7d92a --- /dev/null +++ b/modules/pdp11/lib/nodebugger.js @@ -0,0 +1,48 @@ +/** + * @fileoverview Compile-time definitions for Debugger-less configurations. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +/* + * WARNING: DEBUGGER needs to accurately reflect whether or not the Debugger component is (or will be) loaded. + * In the compiled case, we rely on the Closure Compiler to override DEBUGGER as appropriate. When it's *false*, + * nearly all of debugger.js will be conditionally removed by the compiler, reducing it to little more than a + * "type skeleton", which also solves some type-related warnings we would otherwise have if we tried to remove + * debugger.js from the compilation process altogether. + * + * However, when we're in "development mode" and running uncompiled code in debugger-less configurations, + * I would still like to skip loading debugger.js altogether. To do that, we must arrange for this additional file, + * nodebugger.js, to be loaded immediately after defines.js, *explicitly* overriding the previously defined value + * of DEBUGGER with *false*. + */ +DEBUGGER = false; diff --git a/modules/pdp11/lib/panel.js b/modules/pdp11/lib/panel.js new file mode 100644 index 000000000..e0421bca3 --- /dev/null +++ b/modules/pdp11/lib/panel.js @@ -0,0 +1,185 @@ +/** + * @fileoverview Implements the PDP11 Panel component. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +if (NODE) { + var str = require("../../shared/lib/strlib"); + var usr = require("../../shared/lib/usrlib"); + var web = require("../../shared/lib/weblib"); + var Component = require("../../shared/lib/component"); + var PDP11 = require("./defines"); + var BusPDP11 = require("./bus"); + var CPUDefPDP11 = require("./cpudef"); + var MemoryPDP11 = require("./memory"); +} + +/** + * PanelPDP11(parmsPanel) + * + * The PanelPDP11 component has no required (parmsPanel) properties. + * + * @constructor + * @extends Component + * @param {Object} parmsPanel + */ +function PanelPDP11(parmsPanel) +{ + Component.call(this, "Panel", parmsPanel, PanelPDP11); +} + +Component.subclass(PanelPDP11); + +/** + * setBinding(sHTMLType, sBinding, control, sValue) + * + * Most panel layouts don't have bindings of their own, so we pass along all binding requests to the + * Computer, CPU, Keyboard and Debugger components first. The order shouldn't matter, since any component + * that doesn't recognize the specified binding should simply ignore it. + * + * @this {PanelPDP11} + * @param {string|null} sHTMLType is the type of the HTML control (eg, "button", "list", "text", "submit", "textarea", "canvas") + * @param {string} sBinding is the value of the 'binding' parameter stored in the HTML control's "data-value" attribute (eg, "reset") + * @param {Object} control is the HTML control DOM object (eg, HTMLButtonElement) + * @param {string} [sValue] optional data value + * @return {boolean} true if binding was successful, false if unrecognized binding request + */ +PanelPDP11.prototype.setBinding = function(sHTMLType, sBinding, control, sValue) +{ + if (this.cmp && this.cmp.setBinding(sHTMLType, sBinding, control, sValue)) return true; + if (this.cpu && this.cpu.setBinding(sHTMLType, sBinding, control, sValue)) return true; + if (DEBUGGER && this.dbg && this.dbg.setBinding(sHTMLType, sBinding, control, sValue)) return true; + return this.parent.setBinding.call(this, sHTMLType, sBinding, control, sValue); +}; + +/** + * initBus(cmp, bus, cpu, dbg) + * + * @this {PanelPDP11} + * @param {ComputerPDP11} cmp + * @param {BusPDP11} bus + * @param {CPUStatePDP11} cpu + * @param {DebuggerPDP11} dbg + */ +PanelPDP11.prototype.initBus = function(cmp, bus, cpu, dbg) +{ + this.cmp = cmp; + this.bus = bus; + this.cpu = cpu; + this.dbg = dbg; +}; + +/** + * powerUp(data, fRepower) + * + * @this {PanelPDP11} + * @param {Object|null} data + * @param {boolean} [fRepower] + * @return {boolean} true if successful, false if failure + */ +PanelPDP11.prototype.powerUp = function(data, fRepower) +{ + if (!fRepower) PanelPDP11.init(); + return true; +}; + +/** + * powerDown(fSave, fShutdown) + * + * @this {PanelPDP11} + * @param {boolean} [fSave] + * @param {boolean} [fShutdown] + * @return {Object|boolean} component state if fSave; otherwise, true if successful, false if failure + */ +PanelPDP11.prototype.powerDown = function(fSave, fShutdown) +{ + return true; +}; + +/** + * updateStatus(fForce) + * + * Update function for Panels containing elements with high-frequency display requirements. + * + * For older (and slower) DOM-based display elements, those are sill being managed by the CPUState component, + * so it has its own updateStatus() handler. + * + * The Computer's updateStatus() handler is currently responsible for calling both our handler and the CPU's handler. + * + * @this {PanelPDP11} + * @param {boolean} [fForce] (true will display registers even if the CPU is running and "live" registers are not enabled) + */ +PanelPDP11.prototype.updateStatus = function(fForce) +{ +}; + +/** + * PanelPDP11.init() + * + * This function operates on every HTML element of class "panel", extracting the + * JSON-encoded parameters for the PanelPDP11 constructor from the element's "data-value" + * attribute, invoking the constructor to create a PanelPDP11 component, and then binding + * any associated HTML controls to the new component. + * + * NOTE: Unlike most other component init() functions, this one is designed to be + * called multiple times: once at load time, so that we can bind our print() + * function to the panel's output control ASAP, and again when the Computer component + * is verifying that all components are ready and invoking their powerUp() functions. + * + * Our powerUp() method gives us a second opportunity to notify any components that + * that might care (eg, CPU, Keyboard, and Debugger) that we have some controls they + * might want to use. + */ +PanelPDP11.init = function() +{ + var fReady = false; + var aePanels = Component.getElementsByClass(document, PDP11.APPCLASS, "panel"); + for (var iPanel=0; iPanel < aePanels.length; iPanel++) { + var ePanel = aePanels[iPanel]; + var parmsPanel = Component.getComponentParms(ePanel); + var panel = Component.getComponentByID(parmsPanel['id']); + if (!panel) { + fReady = true; + panel = new PanelPDP11(parmsPanel); + } + Component.bindComponentControls(panel, ePanel, PDP11.APPCLASS); + if (fReady) panel.setReady(); + } +}; + +/* + * Initialize every Panel module on the page. + */ +web.onInit(PanelPDP11.init); + +if (NODE) module.exports = PanelPDP11; diff --git a/modules/pdp11/lib/ram.js b/modules/pdp11/lib/ram.js new file mode 100644 index 000000000..528295035 --- /dev/null +++ b/modules/pdp11/lib/ram.js @@ -0,0 +1,199 @@ +/** + * @fileoverview Implements the PDP11 RAM component. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +if (NODE) { + var str = require("../../shared/lib/strlib"); + var web = require("../../shared/lib/weblib"); + var Component = require("../../shared/lib/component"); + var State = require("../../shared/lib/state"); + var PDP11 = require("./defines"); + var MemoryPDP11 = require("./memory"); + var ROMPDP11 = require("./rom"); +} + +/** + * RAMPDP11(parmsRAM) + * + * The RAMPDP11 component expects the following (parmsRAM) properties: + * + * addr: starting physical address of RAM (default is 0) + * size: amount of RAM, in bytes (default is 0, which means defer to motherboard switch settings) + * + * NOTE: We make a note of the specified size, but no memory is initially allocated for the RAM until the + * Computer component calls powerUp(). + * + * @constructor + * @extends Component + * @param {Object} parmsRAM + */ +function RAMPDP11(parmsRAM) +{ + Component.call(this, "RAM", parmsRAM, RAMPDP11); + + this.addrRAM = parmsRAM['addr']; + this.sizeRAM = parmsRAM['size']; + this.fInstalled = (!!this.sizeRAM); // 0 is the default value for 'size' when none is specified + this.fAllocated = false; +} + +Component.subclass(RAMPDP11); + +/** + * initBus(cmp, bus, cpu, dbg) + * + * @this {RAMPDP11} + * @param {ComputerPDP11} cmp + * @param {BusPDP11} bus + * @param {CPUStatePDP11} cpu + * @param {DebuggerPDP11} dbg + */ +RAMPDP11.prototype.initBus = function(cmp, bus, cpu, dbg) +{ + this.bus = bus; + this.cpu = cpu; + this.dbg = dbg; + this.setReady(); +}; + +/** + * powerUp(data, fRepower) + * + * @this {RAMPDP11} + * @param {Object|null} data + * @param {boolean} [fRepower] + * @return {boolean} true if successful, false if failure + */ +RAMPDP11.prototype.powerUp = function(data, fRepower) +{ + if (!fRepower) { + /* + * The Computer powers up the CPU last, at which point CPUState state is restored, + * which includes the Bus state, and since we use the Bus to allocate all our memory, + * memory contents are already restored for us, so we don't need the usual restore + * logic. We just need to call reset(), to allocate memory for the RAM. + */ + this.reset(); + } + return true; +}; + +/** + * powerDown(fSave, fShutdown) + * + * @this {RAMPDP11} + * @param {boolean} [fSave] + * @param {boolean} [fShutdown] + * @return {Object|boolean} component state if fSave; otherwise, true if successful, false if failure + */ +RAMPDP11.prototype.powerDown = function(fSave, fShutdown) +{ + /* + * The Computer powers down the CPU first, at which point CPUState state is saved, + * which includes the Bus state, and since we use the Bus component to allocate all + * our memory, memory contents are already saved for us, so we don't need the usual + * save logic. + */ + return (fSave)? this.save() : true; +}; + +/** + * reset() + * + * @this {RAMPDP11} + */ +RAMPDP11.prototype.reset = function() +{ + if (!this.fAllocated && this.sizeRAM) { + if (this.bus.addMemory(this.addrRAM, this.sizeRAM, MemoryPDP11.TYPE.RAM)) { + this.fAllocated = true; + } + } + if (!this.fAllocated) { + Component.error("No RAM allocated"); + } +}; + +/** + * save() + * + * This implements save support for the RAMPDP11 component. + * + * @this {RAMPDP11} + * @return {Object} + */ +RAMPDP11.prototype.save = function() +{ + return null; +}; + +/** + * restore(data) + * + * This implements restore support for the RAMPDP11 component. + * + * @this {RAMPDP11} + * @param {Object} data + * @return {boolean} true if successful, false if failure + */ +RAMPDP11.prototype.restore = function(data) +{ + return true; +}; + +/** + * RAMPDP11.init() + * + * This function operates on every HTML element of class "ram", extracting the + * JSON-encoded parameters for the RAMPDP11 constructor from the element's "data-value" + * attribute, invoking the constructor to create a RAMPDP11 component, and then binding + * any associated HTML controls to the new component. + */ +RAMPDP11.init = function() +{ + var aeRAM = Component.getElementsByClass(document, PDP11.APPCLASS, "ram"); + for (var iRAM = 0; iRAM < aeRAM.length; iRAM++) { + var eRAM = aeRAM[iRAM]; + var parmsRAM = Component.getComponentParms(eRAM); + var ram = new RAMPDP11(parmsRAM); + Component.bindComponentControls(ram, eRAM, PDP11.APPCLASS); + } +}; + +/* + * Initialize all the RAMPDP11 modules on the page. + */ +web.onInit(RAMPDP11.init); + +if (NODE) module.exports = RAMPDP11; diff --git a/modules/pdp11/lib/rom.js b/modules/pdp11/lib/rom.js new file mode 100644 index 000000000..5dfd40a2d --- /dev/null +++ b/modules/pdp11/lib/rom.js @@ -0,0 +1,391 @@ +/** + * @fileoverview Implements the PDP11 ROM component. + * @author Jeff Parsons + * @version 1.0 + * Created 2016-Sep-03 + * + * This file is part of PCjs, a computer emulation software project at . + * + * It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis + * (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code + * may be used freely provided the original author name is acknowledged in any modified source code. + * + * PCjs is free software: you can redistribute it and/or modify it under the terms of the + * GNU General Public License as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without + * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with PCjs. If not, + * see . + * + * You are required to include the above copyright notice in every source code file of every + * copy or modified version of this work, and to display that copyright notice on every screen + * that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js). + * + * Some PCjs files also attempt to load external resource files, such as character-image files, + * ROM files, and disk image files. Those external resource files are not considered part of PCjs + * for purposes of the GNU General Public License, and the author does not claim any copyright + * as to their contents. + */ + +"use strict"; + +if (NODE) { + var str = require("../../shared/lib/strlib"); + var web = require("../../shared/lib/weblib"); + var DumpAPI = require("../../shared/lib/dumpapi"); + var Component = require("../../shared/lib/component"); + var PDP11 = require("./defines"); + var CPUDefPDP11 = require("./cpudef"); + var MemoryPDP11 = require("./memory"); +} + +/** + * ROMPDP11(parmsROM) + * + * The ROMPDP11 component expects the following (parmsROM) properties: + * + * addr: physical address of ROM + * size: amount of ROM, in bytes + * alias: physical alias address (null if none) + * file: name of ROM data file + * writable: true to make ROM writable (default is false) + * + * NOTE: The ROM data will not be copied into place until the Bus is ready (see initBus()) AND the + * ROM data file has finished loading (see doneLoad()). + * + * Also, while the size parameter may seem redundant, I consider it useful to confirm that the ROM you received + * is the ROM you expected. + * + * Finally, while making ROM "writable" may seem a contradiction in terms, I want to be able to load selected + * CP/M binary files into memory purely for testing purposes, and the RAM component has no "file" option, so the + * simplest solution was to add the option to load binary files into memory as "writable" ROMs. + * + * Moreover, if a "writable" ROM is installed at addr 0x100, that triggers our "Fake CP/M" support, providing + * a quick-and-dirty means of loading simple CP/M test binaries. See addROM() for details. + * + * @constructor + * @extends Component + * @param {Object} parmsROM + */ +function ROMPDP11(parmsROM) +{ + Component.call(this, "ROM", parmsROM, ROMPDP11); + + this.abROM = null; + this.addrROM = parmsROM['addr']; + this.sizeROM = parmsROM['size']; + this.fWritable = parmsROM['writable']; + + /* + * The new 'alias' property can now be EITHER a single physical address (like 'addr') OR an array of + * physical addresses; eg: + * + * [0xf0000,0xffff0000,0xffff8000] + * + * We could have overloaded 'addr' to accomplish the same thing, but I think it's better to have any + * aliased locations listed under a separate property. + * + * Most ROMs are not aliased, in which case the 'alias' property should have the default value of null. + */ + this.addrAlias = parmsROM['alias']; + + this.sFilePath = parmsROM['file']; + this.sFileName = str.getBaseName(this.sFilePath); + + if (this.sFilePath) { + var sFileURL = this.sFilePath; + if (DEBUG) this.log('load("' + sFileURL + '")'); + /* + * If the selected ROM file has a ".json" extension, then we assume it's pre-converted + * JSON-encoded ROM data, so we load it as-is; ditto for ROM files with a ".hex" extension. + * Otherwise, we ask our server-side ROM converter to return the file in a JSON-compatible format. + */ + var sFileExt = str.getExtension(this.sFileName); + if (sFileExt != DumpAPI.FORMAT.JSON && sFileExt != DumpAPI.FORMAT.HEX) { + sFileURL = web.getHost() + DumpAPI.ENDPOINT + '?' + DumpAPI.QUERY.FILE + '=' + this.sFilePath + '&' + DumpAPI.QUERY.FORMAT + '=' + DumpAPI.FORMAT.BYTES + '&' + DumpAPI.QUERY.DECIMAL + '=true'; + } + var rom = this; + web.getResource(sFileURL, null, true, function(sURL, sResponse, nErrorCode) { + rom.doneLoad(sURL, sResponse, nErrorCode); + }); + } +} + +Component.subclass(ROMPDP11); + +/* + * NOTE: There's currently no need for this component to have a reset() function, since + * once the ROM data is loaded, it can't be changed, so there's nothing to reinitialize. + * + * OK, well, I take that back, because the Debugger, if installed, has the ability to modify + * ROM contents, so in that case, having a reset() function that restores the original ROM data + * might be useful; then again, it might not, depending on what you're trying to debug. + * + * If we do add reset(), then we'll want to change copyROM() to hang onto the original + * ROM data; currently, we release it after copying it into the read-only memory allocated + * via bus.addMemory(). + */ + +/** + * initBus(cmp, bus, cpu, dbg) + * + * @this {ROMPDP11} + * @param {ComputerPDP11} cmp + * @param {BusPDP11} bus + * @param {CPUStatePDP11} cpu + * @param {DebuggerPDP11} dbg + */ +ROMPDP11.prototype.initBus = function(cmp, bus, cpu, dbg) +{ + this.bus = bus; + this.cpu = cpu; + this.dbg = dbg; + this.copyROM(); +}; + +/** + * powerUp(data, fRepower) + * + * @this {ROMPDP11} + * @param {Object|null} data + * @param {boolean} [fRepower] + * @return {boolean} true if successful, false if failure + */ +ROMPDP11.prototype.powerUp = function(data, fRepower) +{ + if (this.aSymbols) { + if (this.dbg) { + this.dbg.addSymbols(this.id, this.addrROM, this.sizeROM, this.aSymbols); + } + /* + * Our only role in the handling of symbols is to hand them off to the Debugger at our + * first opportunity. Now that we've done that, our copy of the symbols, if any, are toast. + */ + delete this.aSymbols; + } + return true; +}; + +/** + * powerDown(fSave, fShutdown) + * + * Since we have nothing to do on powerDown(), and no state to return, we could simply omit + * this function. But it doesn't hurt anything, and maybe we'll use our state to save something + * useful down the road, like user-defined symbols (ie, symbols that the Debugger may have + * created, above and beyond those symbols we automatically loaded, if any, along with the ROM). + * + * @this {ROMPDP11} + * @param {boolean} [fSave] + * @param {boolean} [fShutdown] + * @return {Object|boolean} component state if fSave; otherwise, true if successful, false if failure + */ +ROMPDP11.prototype.powerDown = function(fSave, fShutdown) +{ + return true; +}; + +/** + * doneLoad(sURL, sROMData, nErrorCode) + * + * @this {ROMPDP11} + * @param {string} sURL + * @param {string} sROMData + * @param {number} nErrorCode (response from server if anything other than 200) + */ +ROMPDP11.prototype.doneLoad = function(sURL, sROMData, nErrorCode) +{ + if (nErrorCode) { + this.notice("Unable to load system ROM (error " + nErrorCode + ": " + sURL + ")"); + return; + } + + Component.addMachineResource(this.idMachine, sURL, sROMData); + + if (sROMData.charAt(0) == "[" || sROMData.charAt(0) == "{") { + try { + /* + * The most likely source of any exception will be here: parsing the JSON-encoded ROM data. + */ + var rom = eval("(" + sROMData + ")"); + var ab = rom['bytes']; + var adw = rom['data']; + + if (ab) { + this.abROM = ab; + } + else if (adw) { + /* + * Convert all the DWORDs into BYTEs, so that subsequent code only has to deal with abROM. + */ + this.abROM = new Array(adw.length * 4); + for (var idw = 0, ib = 0; idw < adw.length; idw++) { + this.abROM[ib++] = adw[idw] & 0xff; + this.abROM[ib++] = (adw[idw] >> 8) & 0xff; + this.abROM[ib++] = (adw[idw] >> 16) & 0xff; + this.abROM[ib++] = (adw[idw] >> 24) & 0xff; + } + } + else { + this.abROM = rom; + } + + this.aSymbols = rom['symbols']; + + if (!this.abROM.length) { + Component.error("Empty ROM: " + sURL); + return; + } + else if (this.abROM.length == 1) { + Component.error(this.abROM[0]); + return; + } + } catch (e) { + this.notice("ROM data error: " + e.message); + return; + } + } + else { + /* + * Parse the ROM data manually; we assume it's in "simplified" hex form (a series of hex byte-values + * separated by whitespace). + */ + var sHexData = sROMData.replace(/\n/gm, " ").replace(/ +$/, ""); + var asHexData = sHexData.split(" "); + this.abROM = new Array(asHexData.length); + for (var i = 0; i < asHexData.length; i++) { + this.abROM[i] = str.parseInt(asHexData[i], 16); + } + } + this.copyROM(); +}; + +/** + * copyROM() + * + * This function is called by both initBus() and doneLoad(), but it cannot copy the the ROM data into place + * until after initBus() has received the Bus component AND doneLoad() has received the abROM data. When both + * those criteria are satisfied, the component becomes "ready". + * + * @this {ROMPDP11} + */ +ROMPDP11.prototype.copyROM = function() +{ + if (!this.isReady()) { + if (!this.sFilePath) { + this.setReady(); + } + else if (this.abROM && this.bus) { + /* + * If no explicit size was specified, then use whatever the actual size is. + */ + if (!this.sizeROM) { + this.sizeROM = this.abROM.length; + } + if (this.abROM.length != this.sizeROM) { + /* + * Note that setError() sets the component's fError flag, which in turn prevents setReady() from + * marking the component ready. TODO: Revisit this decision. On the one hand, it sounds like a + * good idea to stop the machine in its tracks whenever a setError() occurs, but there may also be + * times when we'd like to forge ahead anyway. + */ + this.setError("ROM size (" + str.toHexLong(this.abROM.length) + ") does not match specified size (" + str.toHexLong(this.sizeROM) + ")"); + } + else if (this.addROM(this.addrROM)) { + + var aliases = []; + if (typeof this.addrAlias == "number") { + aliases.push(this.addrAlias); + } else if (this.addrAlias != null && this.addrAlias.length) { + aliases = this.addrAlias; + } + for (var i = 0; i < aliases.length; i++) { + this.cloneROM(aliases[i]); + } + /* + * We used to hang onto the original ROM data so that we could restore any bytes the CPU overwrote, + * using memory write-notification handlers, but with the introduction of read-only memory blocks, that's + * no longer necessary. + * + * TODO: Consider an option to retain the ROM data, and give the user some way of restoring ROMs. + * That may be useful for "resumable" machines that save/restore all dirty block of memory, regardless + * whether they're ROM or RAM. However, the only way to modify a machine's ROM is with the Debugger, + * and Debugger users should know better. + */ + delete this.abROM; + } + this.setReady(); + } + } +}; + +/** + * addROM(addr) + * + * @this {ROMPDP11} + * @param {number} addr + * @return {boolean} + */ +ROMPDP11.prototype.addROM = function(addr) +{ + if (this.bus.addMemory(addr, this.sizeROM, this.fWritable? MemoryPDP11.TYPE.RAM : MemoryPDP11.TYPE.ROM)) { + if (DEBUG) this.log("addROM(): copying ROM to " + str.toHexLong(addr) + " (" + str.toHexLong(this.abROM.length) + " bytes)"); + var i; + for (i = 0; i < this.abROM.length; i++) { + this.bus.setByteDirect(addr + i, this.abROM[i]); + } + return true; + } + /* + * We don't need to report an error here, because addMemory() already takes care of that. + */ + return false; +}; + +/** + * cloneROM(addr) + * + * For ROMs with one or more alias addresses, we used to call addROM() for each address. However, + * that obviously wasted memory, since each alias was an independent copy, and if you used the + * Debugger to edit the ROM in one location, the changes would not appear in the other location(s). + * + * Now that the Bus component provides low-level getMemoryBlocks() and setMemoryBlocks() methods + * to manually get and set the blocks of any memory range, it is now possible to create true aliases. + * + * @this {ROMPDP11} + * @param {number} addr + */ +ROMPDP11.prototype.cloneROM = function(addr) +{ + var aBlocks = this.bus.getMemoryBlocks(this.addrROM, this.sizeROM); + this.bus.setMemoryBlocks(addr, this.sizeROM, aBlocks); +}; + +/** + * ROMPDP11.init() + * + * This function operates on every HTML element of class "rom", extracting the + * JSON-encoded parameters for the ROMPDP11 constructor from the element's "data-value" + * attribute, invoking the constructor to create a ROMPDP11 component, and then binding + * any associated HTML controls to the new component. + */ +ROMPDP11.init = function() +{ + var aeROM = Component.getElementsByClass(document, PDP11.APPCLASS, "rom"); + for (var iROM = 0; iROM < aeROM.length; iROM++) { + var eROM = aeROM[iROM]; + var parmsROM = Component.getComponentParms(eROM); + var rom = new ROMPDP11(parmsROM); + Component.bindComponentControls(rom, eROM, PDP11.APPCLASS); + } +}; + +/* + * Initialize all the ROMPDP11 modules on the page. + */ +web.onInit(ROMPDP11.init); + +if (NODE) module.exports = ROMPDP11; diff --git a/modules/shared/lib/embed.js b/modules/shared/lib/embed.js index 39de4ea9a..4737fa884 100644 --- a/modules/shared/lib/embed.js +++ b/modules/shared/lib/embed.js @@ -577,6 +577,21 @@ function embedPC8080(idMachine, sXMLFile, sXSLFile, sParms) return embedMachine("PC8080", APPVERSION, idMachine, sXMLFile, sXSLFile, sParms); } +/** + * embedPDP11(idMachine, sXMLFile, sXSLFile, sParms) + * + * @param {string} idMachine + * @param {string} sXMLFile + * @param {string} sXSLFile + * @param {string} [sParms] + * @return {boolean} true if successful, false if error + */ +function embedPDP11(idMachine, sXMLFile, sXSLFile, sParms) +{ + if (fAsync) web.enablePageEvents(false); + return embedMachine("PDP11", APPVERSION, idMachine, sXMLFile, sXSLFile, sParms); +} + /** * Prevent the Closure Compiler from renaming functions we want to export, * by adding them as (named) properties of a global object. @@ -591,6 +606,9 @@ if (APPNAME == "PCx86") { if (APPNAME == "PC8080") { window['embedPC8080'] = embedPC8080; } +if (APPNAME == "PDP11") { + window['embedPDP11'] = embedPDP11; +} window['enableEvents'] = web.enablePageEvents; window['sendEvent'] = web.sendPageEvent; diff --git a/package.json b/package.json index 4acf559b4..13601eb3c 100644 --- a/package.json +++ b/package.json @@ -131,7 +131,7 @@ "./modules/shared/lib/embed.js", "./modules/shared/lib/save.js" ], - "pc8080Files": [ + "pc8080Files": [ "./modules/shared/lib/defines.js", "./modules/shared/lib/dumpapi.js", "./modules/shared/lib/reportapi.js", @@ -159,5 +159,31 @@ "./modules/pc8080/lib/computer.js", "./modules/shared/lib/state.js", "./modules/shared/lib/embed.js" + ], + "pdp11Files": [ + "./modules/shared/lib/defines.js", + "./modules/shared/lib/dumpapi.js", + "./modules/shared/lib/reportapi.js", + "./modules/shared/lib/userapi.js", + "./modules/shared/lib/strlib.js", + "./modules/shared/lib/usrlib.js", + "./modules/shared/lib/weblib.js", + "./modules/shared/lib/component.js", + "./modules/pdp11/lib/defines.js", + "./modules/pdp11/lib/cpudef.js", + "./modules/pdp11/lib/messages.js", + "./modules/pdp11/lib/panel.js", + "./modules/pdp11/lib/bus.js", + "./modules/pdp11/lib/memory.js", + "./modules/pdp11/lib/cpu.js", + "./modules/pdp11/lib/cpustate.js", + "./modules/pdp11/lib/cpuops.js", + "./modules/pdp11/lib/rom.js", + "./modules/pdp11/lib/ram.js", + "./modules/pdp11/lib/keyboard.js", + "./modules/pdp11/lib/debugger.js", + "./modules/pdp11/lib/computer.js", + "./modules/shared/lib/state.js", + "./modules/shared/lib/embed.js" ] } diff --git a/versions/c1pjs/1.24.2/c1p-dbg.js b/versions/c1pjs/1.24.2/c1p-dbg.js new file mode 100644 index 000000000..79867f56c --- /dev/null +++ b/versions/c1pjs/1.24.2/c1p-dbg.js @@ -0,0 +1,166 @@ +(function(){var f;function p(a,b){var c="";void 0===b?b=8:8=d?48:55),c=String.fromCharCode(d)+c;a>>=4}return c}function q(a){return"0x"+p(a,2)}function r(a){return"0x"+p(a,4)}function aa(a){var b=a,c=a.lastIndexOf("/");0<=c&&(b=a.substr(c+1));c=b.indexOf("&");0":">",'"':""","'":"'"};function da(a){return a.replace(/[&<>"']/g,function(a){return ca[a]})}var ea=Date.now||function(){return+new Date}; 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+/** + @author Jeff Parsons (@jeffpar) + @website http://www.pcjs.org/ + @created 2013-05-05 + @modified 2014-02-23 + @license http://www.gnu.org/licenses/gpl.html + */ +body { + margin: 0; + background: #202020; +} +h1, h2 { + margin-top: 0; + color: #cccccc; +} +h1, h2, h3, h4 { + word-wrap: break-word; +} + +h4 a { + color: #cccccc !important; +} +p { + line-height: 1.5em; +} +img { + max-width: 100%; +} +a img { + vertical-align: bottom; +} +pre, code { + color: #000000; + background-color: #cccccc; + font-family: Monaco, Consolas, "Lucida Console", monospace; + font-size: 12px; +} +pre { + margin: 1em 2em; + padding: 1em; + border-radius: 5px; + overflow: auto; +} +code { + padding: 1px; +} +pre a, code a { + color: #006400 !important; +} +.common { + width: 100%; + margin: 0 auto; + color: #cccccc; +} +.common a { + + color: #7fc07f; + text-decoration: none; +} +.common hr { + border-color: #808080; +} +.common a:hover { + text-decoration: underline; +} +.common, .machine { + font-family: "Helvetica Neue", Helvetica, Arial, Geneva, sans-serif; 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+} +.common-list { + list-style-type: none; + margin-top: 0; + margin-bottom: 0; + padding-left: 0; +} +.common-list li { + + padding-bottom: 7px; +} +.common-list-data { + list-style-type: none; + margin-top: 0; + margin-bottom: 0; + padding-left: 0; +} +.common-list-data li { + line-height: 1.5em; +} +.common-list-data-items, .common-list-data-subitems { + font-size: x-small; + list-style-type: none; + margin-top: 0; + margin-bottom: 0; + padding-left: 2em; +} +.common-list-data-items li, .common-list-data-subitems li { + padding-bottom: 0; +} +.common-main { + margin-left: 150px; + +} +.common-main blockquote { + text-align: justify; +} +.common-image-gallery { + margin: 0 auto; + text-align: center; +} +.common-image-gallery:after { + content: ''; + display: block; +} +.common-image-frame { + display: inline-block; + margin: 8px; + text-align: center; +} +.common-image-link { + padding: 5px; + border: 1px solid black; + border-radius: 5px; + background-color: #FAEBD7; +} +.common-image-label { + font-size: x-small; +} +.common-bottom { + clear: both; + padding-top: 1em; +} +.common-bottom:after { + content: ''; + display: block; + clear: both; +} +.common-reference { + float: left; + font-size: x-small; +} +.common-reference a { + text-decoration: none; +} +.common-copyright { + float: right; + font-size: x-small; +} +.common-copyright a { + text-decoration: none; +} +.md-list { +} +.md-list li { + line-height: 1.5em; + margin-bottom: 1em; +} +.md-list li p { + padding-left: 2em; +} +.md-list-compact { +} +.md-list-compact li { + margin-bottom: 0; +} +.md-list-none { + list-style-type: none; + padding-left: 2em; +} +.md-list-none li { + margin-bottom: 0; +} +@media screen and (max-width: 900px) { + + .common-sidebar { + width: 100%; + white-space: normal; + } + .common-list { + padding-left: 0; + } + .common-list-data { + padding-left: 0; + } + .common-sidebar h4, .common-list li, .common-list-data li, .common-list-data-items li { + width: 130px; + float: left; + overflow: hidden; + vertical-align: top; + padding-right: 1em; + margin-top: 0; + } + .common-list-data-subitems { + display: none; + } + .common-main { + clear: both; + margin-left: 0; + padding-left: 0; + padding-right: 0; + } + .md-list-none { + padding-left: 1em; + } +} diff --git a/versions/c1pjs/1.24.2/common.xsl b/versions/c1pjs/1.24.2/common.xsl new file mode 100644 index 000000000..444139dd8 --- /dev/null +++ b/versions/c1pjs/1.24.2/common.xsl @@ -0,0 +1,58 @@ + + + + + +]> + + + + + + + + + + + + + + + + + + + + + + +
+
+ +
+
+

Powered by JavaScript and GitHub

+
+
+ + + +
+

+

+ pcjs.org website © 2012-2016 by @jeffpar
+ PCjs and C1Pjs released under GPL version 3 or later +

+
+ + + diff --git a/versions/c1pjs/1.24.2/components.css b/versions/c1pjs/1.24.2/components.css new file mode 100644 index 000000000..604435675 --- /dev/null +++ b/versions/c1pjs/1.24.2/components.css @@ -0,0 +1,108 @@ +@CHARSET "UTF-8"; + + +*:not(input,textarea) { + -webkit-user-select: none; +} +.c1pjs-embed { +} +.c1pjs-embed:after { + clear:both; +} +.c1pjs-machine { +} +.c1pjs-name { + clear: both; + font-weight: bold; + padding-bottom: 4px; +} +.c1pjs-canvas { + width: 100%; + height: auto; +} +.c1pjs-container { + color: #000000; + position: relative; +} +.c1pjs-label { + font-size: small; + line-height: 19px; + vertical-align: middle; + float: left; + font-family: "Lucida Console", monospace; +} +.c1pjs-control textarea { + font-family: Monaco, monospace; + font-size: x-small; +} +.c1pjs-fieldset { + border: none; + margin: 0; + padding: 0; +} +.c1pjs-flag { + font-family: "Lucida Console", monospace; + font-size: small; + text-align: center; + line-height: 19px; + vertical-align: middle; +} +.c1pjs-register { + font-family: "Lucida Console", monospace; + font-size: small; + text-align: center; + line-height: 19px; + vertical-align: middle; + border: 1px solid black; +} +.c1pjs-switches { + float: left; +} +.c1pjs-bitBucket { + float: left; + width: 19px; + height: 38px; +} +.c1pjs-bitCell { + float: left; + width: 19px; + height: 19px; + margin-right: -1px; + margin-bottom: -1px; + border: 1px solid black; + text-align: center; + line-height: 19px; +} +.c1pjs-bitCellLeft { + border-left: 1px solid black; +} +.c1pjs-bitLabel { + font-size: xx-small; + text-align: center; +} +.c1pjs-description, .c1pjs-status { + font-size: small; + line-height: 2em; +} +.c1pjs-key { + border: 1px solid black; + font-size: x-small; + text-align: center; + position: absolute; + height: 34px; + line-height: 34px; +} +.c1pjs-reference { + float: left; + font-size: x-small; +} +.c1pjs-reference a { + text-decoration: none; +} +.c1pjs-copyright { + float: right; + font-size: x-small; +} +.c1pjs-copyright a { + text-decoration: none; +} diff --git a/versions/c1pjs/1.24.2/components.xsl b/versions/c1pjs/1.24.2/components.xsl new file mode 100644 index 000000000..34711400c --- /dev/null +++ b/versions/c1pjs/1.24.2/components.xsl @@ -0,0 +1,588 @@ + + + + + + + + + + + c1p + c1pjs + 1.24.2 + www.pcjs.org + + + + + + + + + + + + + + + + + + + + + + +
+ + + + js + , + + +
+ + + + + + + + + + + + + + , + + + + + + + + + + + + .machine + . + + + + + + + + + + + + + + border:1px solid black;border-radius:10px; + border:; + + + + + + left:; + + + + + + top:; + + + + + + + + width:; + width:auto;max-width:; + + + + + + + + height:; + + + + + + padding:; + + padding-top:; + padding-right:; + padding-bottom:; + padding-left:; + + + + + + float:left; + float:right; + margin:0 auto; + position:; + position:absolute; + + + + + overflow:auto;width:100%; + background-color:; + + + + - -component + +
+ + + + + + +
+ +
+ + +
+ +
+ + +
+ + +
[XML]
 + + +
+ C1Pjs v © 2012-2016 by @jeffpar +
+
+ +
+ + + + + + text-align:center; + + + +

+ + + +
+ + + + + type:'' + + + binding:'' + + + + border:1px solid black; + border:; + + + + + + width:; + + + + + + height:; + + + + + + left:; + + + + + + top:; + + + + + + position:absolute; + float:left; + float:right; + margin:0 auto; + ; + float:left; + + + + + + + + +
+ + + font-size:; + + + + + -label + + + width:; + + + + + + +
+ + + + + + + + + + + + + + + + + + + +
+ + +
+
+ + +
+
+ + +
+ + +

+ + +
+ + + + +
+ +
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+ + + + + + + + + + + + + + + + + + + + + + + + null + + + + + + ,autoStart: + + + + + + + + + + + + + + + 600 + + + + + keyboard + ,model: + + + + + + + + + + + + + + + false + + + + + serial + ,demo: + + + + + + + + + + + + + + disk + + + + + + + + + + + + + + + 0 + + + + + + + + + + + rom + ,size:,image:'' + + + + + + + + + + + + + + + 0 + + + + + ram + ,size: + + + + + + + + + + + + + + + 600 + + + + + + + 256 + + + + + + + 224 + + + + + + + black + + + + + + 32 + + + + + + 32 + + + + + + + 0 + + + + + + + 0 + + + + + + + + + + + + + + null + + + + + video + ,model:,screenWidth:,screenHeight:,charCols:,charRows:,charWidth:,charHeight:,charSet:'',screenColor:'',smoothing: + + + + + + + + + + + + + + debugger + + + + + + + + + + + + + + panel + + + + + + + + + + + + + [ + {} + , + ] + + + + computer + ,modules: + + + + + type:'',refID:'',start:,end: + + + diff --git a/versions/c1pjs/1.24.2/document.css b/versions/c1pjs/1.24.2/document.css new file mode 100644 index 000000000..7072b406e --- /dev/null +++ b/versions/c1pjs/1.24.2/document.css @@ -0,0 +1,162 @@ +@CHARSET "UTF-8"; + +.page { + margin: 2% 2%; + padding: 2% 2%; + min-width: 30em; + overflow: auto; + font-size: large; + font-family: Helvetica, Arial, sans-serif; + background: #303030; + color: #ccc; + +} +.page-header { +} +.page-header-title { + text-align: center; + +} +.page a { + color: #7fc07f; + text-decoration: none; +} +a.footlink, a.paralink { + text-decoration: none; +} +a.footlink:link, a.paralink:link { + color: blue; +} +a.footlink:visited, a.paralink:visited { + color: blue; +} +.galleryitem { + float: left; + width: 200px; +} +.item { + float: left; + width: 2em; + text-indent: 1em; +} +.list { + margin-left: 3em; + text-indent: 0; + text-align: justify; +} +ul { + list-style: none; +} +div.pnumber { + float: left; + width: 2em; + text-indent: 1em; +} +div.pitem { + margin-left: 10em; +} +p.indent, .justified p { + text-indent: 2em; + text-align: justify; + line-height: 1.5em; +} +p.noindent { + text-indent: 0; + text-align: justify; +} +p.center, .center { + text-align: center; +} +li.para { + margin-top: 1em; + margin-bottom: 1em; +} +.left { + text-align: left; +} +.right { + text-align: right; +} +blockquote.tag { + font-size: small; + font-family: Monaco, Fixed, monospace; + margin-top: 0; + margin-bottom: 0; +} +.blockquote { + padding-left: 1em; + text-indent: 0; + text-align: justify; +} +.italics { + font-style: italic; +} +.medium { + font-size: medium; +} +.small { + font-size: x-small; +} +.smallcaps { + font-variant: small-caps; +} +.strike { + text-decoration: line-through; +} +.summation, .bracelist { + display: inline-block; + position: relative; + vertical-align: middle; + text-align: center; + margin-bottom: 0.5ex; + text-indent: 0; +} +.bracelist-symbol { + font-size: 3em; + vertical-align: -40%; +} +.summation .summation-lower, .summation .summation-upper, .bracelist-item { + display: block; + font-size: 75%; + text-align: center; +} +.summation .summation-upper { + margin-bottom: 0; + margin-left: 0.8ex; + font-style: italic; +} +.summation .summation-lower{ + margin-bottom: -0.6ex; + font-style: italic; +} +.summation .summation-symbol { + font-size: 2em; +} +p sup { + vertical-align: baseline; + position: relative; + bottom: .5em; + font-size: small; +} +p sub { + vertical-align: baseline; + position: relative; + bottom: -.5em; + font-size: small; +} +.footnote { + font-size: medium; + text-indent: 1em; + text-align: justify; + margin-top: .5em; +} +.image-right { + float: right; + margin-left: 1em; + margin-top: 1em; + margin-bottom: 1em; +} +.image-caption { + font-size: small; + text-align: center; +} \ No newline at end of file diff --git a/versions/c1pjs/1.24.2/document.xsl b/versions/c1pjs/1.24.2/document.xsl new file mode 100644 index 000000000..38d3d64f6 --- /dev/null +++ b/versions/c1pjs/1.24.2/document.xsl @@ -0,0 +1,452 @@ + + + + + +]> + + + + + + + + + +

+ + + + + + + + +

+ + +

+ + + + + + + + + +
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+ + + +

+ + + +

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    +
    + +
    +
    +     + + +
    + {.}
    +
    +
    +     + + + +

    Timeline

    +     + +

    +     +
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    +     + + + + + + + + + +

    +
    + +
    +     +     + + + +

    People

    +     + +

    +     +
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    + +     + + +

    +
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  • + +
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    + +

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    by     + + +
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    Resources

    +     + +

    +     +
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    + +     + + + +

    +     +
      + +
    +     + + +
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    +     +
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    +     + +     + + + +

    +     +
      + +
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      + +
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    • +     + +
    • +     + +
    • +     +     +     + + +
    • +     + + + + + + + + + + +
    + < ="" + + ></> + ></> + /> + +
    +     + +     diff --git a/versions/c1pjs/1.24.2/machine.xsl b/versions/c1pjs/1.24.2/machine.xsl new file mode 100644 index 000000000..90e651791 --- /dev/null +++ b/versions/c1pjs/1.24.2/machine.xsl @@ -0,0 +1,49 @@ + + + + +]> + + + + + + + + + + + <xsl:value-of select="$SITEHOST"/> + + + + +
    + +
    +

    +
    + + + + js + , + +
    +
    + +
    + + + + -dbg + + + + + + +     + +     diff --git a/versions/c1pjs/1.24.2/manifest.xsl b/versions/c1pjs/1.24.2/manifest.xsl new file mode 100644 index 000000000..2812e6ff2 --- /dev/null +++ b/versions/c1pjs/1.24.2/manifest.xsl @@ -0,0 +1,247 @@ + + + + +]> + + + + + + + + + + + <xsl:value-of select="$SITEHOST"/> + + + + +
    + +
    +

    Document Manifest

    +
    +
      + + + + None + + + + + + + + + + + + + + + + +
    +
    +
    +

    + +
    +
    +
    + + +     + + + + + + + + + + + <xsl:value-of select="$SITEHOST"/> + + + + +
    + +
    +

    Software Manifest

    +
    +
      + + + + None + + + + + Unknown + + + + + None + + + + + None + + + + + + + + + + + + + UpdatedReleased + + Unknown + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    +
    +
    + + + + + + + +

    No default machine specified for '' in manifest.xml

    +     + +
    +
    +
    + + + + -dbg + + + + + + +     + + + + + Unknown + +
  • +
      + + + + + + + + +
    • + + + + + + + + + + + + + + + + + + + + + + + + + +
        + +
      • + + + + + + +
        • +         +
      +       +
      • +       + + + + + + + + +
    +
    • +     +     + +     diff --git a/versions/c1pjs/1.24.2/outline.xsl b/versions/c1pjs/1.24.2/outline.xsl new file mode 100644 index 000000000..e2cc08c7c --- /dev/null +++ b/versions/c1pjs/1.24.2/outline.xsl @@ -0,0 +1,47 @@ + + + + +]> + + + + + + + + + + + + + + + + + + <xsl:value-of select="title"/><xsl:text> | </xsl:text><xsl:value-of select="$SITEHOST"/> + + + + + +
    +
    + +
    +
    + + + + -dbg + + + + + + +     + +     diff --git a/versions/pc8080/1.24.2/common.css b/versions/pc8080/1.24.2/common.css new file mode 100644 index 000000000..6b1c0f887 --- /dev/null +++ b/versions/pc8080/1.24.2/common.css @@ -0,0 +1,265 @@ +@CHARSET "UTF-8"; +/** + @author Jeff Parsons (@jeffpar) + @website http://www.pcjs.org/ + @created 2013-05-05 + @modified 2014-02-23 + @license http://www.gnu.org/licenses/gpl.html + */ +body { + margin: 0; + background: #202020; +} +h1, h2 { + margin-top: 0; + color: #cccccc; +} +h1, h2, h3, h4 { + word-wrap: break-word; +} + +h4 a { + color: #cccccc !important; +} +p { + line-height: 1.5em; +} +img { + max-width: 100%; +} +a img { + vertical-align: bottom; +} +pre, code { + color: #000000; + background-color: #cccccc; + font-family: Monaco, Consolas, "Lucida Console", monospace; + font-size: 12px; +} +pre { + margin: 1em 2em; + padding: 1em; + border-radius: 5px; + overflow: auto; +} +code { + padding: 1px; +} +pre a, code a { + color: #006400 !important; +} +.common { + width: 100%; + margin: 0 auto; + color: #cccccc; +} +.common a { + + color: #7fc07f; + text-decoration: none; +} +.common hr { + border-color: #808080; +} +.common a:hover { + text-decoration: underline; +} +.common, .machine { + font-family: "Helvetica Neue", Helvetica, Arial, Geneva, sans-serif; + font-size: 15px; +} +.machine { + margin: 15px; + overflow: hidden; +} +.c1pjs { + overflow: visible; +} +.machine-placeholder { + text-align: center; + font-weight: bold; +} +.common-top { + background: #202020; + font-size: small; +} +.common-top-left { + float: left; + width: 60%; +} +.common-top-left ul { + line-height: 1.5em; + list-style-type: none; + margin: 0; + padding: 1em 1em 1em 9px; + overflow: hidden; +} +.common-top-left ul li { + display: block; + float: left; +} +.common-top-left ul li a { + border-right: 1px solid #6f6f6f; + padding: 2px 6px 2px 6px; +} +.common-top-left ul li:last-child a { + border-right: none; +} +.common-top-right { + float: right; + width: 40%; +} +.common-top-right p { + float: right; + margin: 0; + padding: 1em; +} +.common-middle { + clear: both; + padding: 1px 1em 1px 1em; + background: #404040; +} +.common-sidebar { + float: left; + font-size: small; + width: 140px; + padding-bottom: 20px; + overflow: hidden; + white-space: nowrap; + word-wrap: break-word; +} +.common-list { + list-style-type: none; + margin-top: 0; + margin-bottom: 0; + padding-left: 0; +} +.common-list li { + + padding-bottom: 7px; +} +.common-list-data { + list-style-type: none; + margin-top: 0; + margin-bottom: 0; + padding-left: 0; +} +.common-list-data li { + line-height: 1.5em; +} +.common-list-data-items, .common-list-data-subitems { + font-size: x-small; + list-style-type: none; + margin-top: 0; + margin-bottom: 0; + padding-left: 2em; +} +.common-list-data-items li, .common-list-data-subitems li { + padding-bottom: 0; +} +.common-main { + margin-left: 150px; + +} +.common-main blockquote { + text-align: justify; +} +.common-image-gallery { + margin: 0 auto; + text-align: center; +} +.common-image-gallery:after { + content: ''; + display: block; +} +.common-image-frame { + display: inline-block; + margin: 8px; + text-align: center; +} +.common-image-link { + padding: 5px; + border: 1px solid black; + border-radius: 5px; + background-color: #FAEBD7; +} +.common-image-label { + font-size: x-small; +} +.common-bottom { + clear: both; + padding-top: 1em; +} +.common-bottom:after { + content: ''; + display: block; + clear: both; +} +.common-reference { + float: left; + font-size: x-small; +} +.common-reference a { + text-decoration: none; +} +.common-copyright { + float: right; + font-size: x-small; +} +.common-copyright a { + text-decoration: none; +} +.md-list { +} +.md-list li { + line-height: 1.5em; + margin-bottom: 1em; +} +.md-list li p { + padding-left: 2em; +} +.md-list-compact { +} +.md-list-compact li { + margin-bottom: 0; +} +.md-list-none { + list-style-type: none; + padding-left: 2em; +} +.md-list-none li { + margin-bottom: 0; +} +@media screen and (max-width: 900px) { + + .common-sidebar { + width: 100%; + white-space: normal; + } + .common-list { + padding-left: 0; + } + .common-list-data { + padding-left: 0; + } + .common-sidebar h4, .common-list li, .common-list-data li, .common-list-data-items li { + width: 130px; + float: left; + overflow: hidden; + vertical-align: top; + padding-right: 1em; + margin-top: 0; + } + .common-list-data-subitems { + display: none; + } + .common-main { + clear: both; + margin-left: 0; + padding-left: 0; + padding-right: 0; + } + .md-list-none { + padding-left: 1em; + } +} diff --git a/versions/pc8080/1.24.2/common.xsl b/versions/pc8080/1.24.2/common.xsl new file mode 100644 index 000000000..92e18d9a8 --- /dev/null +++ b/versions/pc8080/1.24.2/common.xsl @@ -0,0 +1,58 @@ + + + + + +]> + + + + + + + + + + + + + + + + + + + + + + +
    +
    + +
    +
    +

    Powered by JavaScript and GitHub

    +
    +
    +     + + +
    +

    +

    + pcjs.org website © 2012-2016 by @jeffpar
    + PCjs and C1Pjs released under GPL version 3 or later +

    +
    +     + +     diff --git a/versions/pc8080/1.24.2/components.css b/versions/pc8080/1.24.2/components.css new file mode 100644 index 000000000..0e0842602 --- /dev/null +++ b/versions/pc8080/1.24.2/components.css @@ -0,0 +1,159 @@ +@CHARSET "UTF-8"; + + +*:not(input,textarea) { + -webkit-user-select: none; +} +.pcjs-embed { +} +.pcjs-embed:after { + clear:both; +} +.pcjs-machine { +} +.pcjs-name, .pcjs-menu { + clear: both; + font-weight: bold; + padding-bottom: 4px; +} +.pcjs-menu { + float: left; +} +.pcjs-canvas { + width: 100%; + height: auto; +} +.pcjs-container { + color: #000000; + position: relative; +} +.pcjs-label { + font-size: small; + line-height: 19px; + vertical-align: middle; + float: left; + font-family: "Lucida Console", monospace; +} +.pcjs-controls textarea { + font-family: Monaco, monospace; + font-size: x-small; +} +.pcjs-fieldset { + border: none; + margin: 0; + padding: 0; +} +.pcjs-flag { + font-family: "Lucida Console", monospace; + font-size: small; + text-align: center; + line-height: 19px; + vertical-align: middle; +} +.pcjs-register { + font-family: "Lucida Console", monospace; + font-size: small; + text-align: center; + line-height: 19px; + vertical-align: middle; + border: 1px solid black; +} +.pcjs-switches { + float: left; +} +.pcjs-bitBucket { + float: left; + width: 19px; + height: 38px; +} +.pcjs-bitCell { + float: left; + width: 19px; + height: 19px; + margin-right: -1px; + margin-bottom: -1px; + border: 1px solid black; + text-align: center; + line-height: 19px; +} +.pcjs-bitCellLeft { + border-left: 1px solid black; +} +.pcjs-bitLabel { + font-size: xx-small; + text-align: center; +} +.pcjs-description, .pcjs-status { + font-size: x-small; + line-height: 2em; +} +.pcjs-key { + border: 1px solid black; + font-size: x-small; + text-align: center; + position: absolute; + height: 34px; + line-height: 34px; + background-color: #ffffff; +} +.pcjs-led { + float: left; + width: 8px; + height: 8px; + margin: 4px; + border: 1px solid black; + text-align: center; + line-height: 19px; + background-color: #000000; +} +.pcjs-rled { + float: left; + width: 8px; + height: 8px; + margin: 4px; + border: 1px solid black; + border-radius: 50%; + text-align: center; + line-height: 19px; + background-color: #000000; +} +.pcjs-screen { + clear: both; + height: auto; + position: relative; + line-height: 0; +} +.pcjs-screen textarea { + position: absolute; + left: 0; + top: 0; + width: 100%; + height: 100%; + opacity: 0; + border: 0; + padding: 0; + line-height: 0; +} +.pcjs-reference { + float: left; + font-size: x-small; +} +.pcjs-reference a { + text-decoration: none; +} +.pcjs-copyright { + float: right; + font-size: x-small; +} +.pcjs-copyright a { + text-decoration: none; +} + +@media screen and (max-width: 900px) { + .pcjs-textarea { + width: 100% !important; + } + .pcjs-registers { + width: 100% !important; + } +} diff --git a/versions/pc8080/1.24.2/components.xsl b/versions/pc8080/1.24.2/components.xsl new file mode 100644 index 000000000..1fe5b3c8a --- /dev/null +++ b/versions/pc8080/1.24.2/components.xsl @@ -0,0 +1,1242 @@ + + + + + + + + + + + pc + pcjs + pc8080 + PC8080 + 1.24.2 + www.pcjs.org + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + float: + + + + js + + + +
    + + + + + + + + + + js + + + "" + + + + + +
    +     + + + + + + + + + + + + + + + , + + + + + + + + + + + + + .machine + . + . + + + + + + + + + + + + + + + + + + + + ,comment:'' + + + + + + border:1px solid black;border-radius:15px; + border:; + + + + + + left:; + + + + + + top:; + + + + + + + + width:; + width:;max-width:; + width:auto;max-width:; + + + + + + + + height:; + + + + + + padding:; + + padding-top:; + padding-right:; + padding-bottom:; + padding-left:; + + + + + + float:left; + float:right; + margin:0 auto;clear:both; + position:; + position:relative; + + + + + overflow:auto;width:100%; + background-color:; + + + + - -component + +
    + + + + + + +
    + + + + + + + + --object -screen + + +
    +     + +
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diff --git a/versions/pcx86/1.24.2/common.css b/versions/pcx86/1.24.2/common.css new file mode 100644 index 000000000..6b1c0f887 --- /dev/null +++ b/versions/pcx86/1.24.2/common.css @@ -0,0 +1,265 @@ +@CHARSET "UTF-8"; +/** + @author Jeff Parsons (@jeffpar) + @website http://www.pcjs.org/ + @created 2013-05-05 + @modified 2014-02-23 + @license http://www.gnu.org/licenses/gpl.html + */ +body { + margin: 0; + background: #202020; +} +h1, h2 { + margin-top: 0; + color: #cccccc; +} +h1, h2, h3, h4 { + word-wrap: break-word; +} + +h4 a { + color: #cccccc !important; +} +p { + line-height: 1.5em; +} +img { + max-width: 100%; +} +a img { + vertical-align: bottom; +} +pre, code { + color: #000000; + background-color: #cccccc; + font-family: Monaco, Consolas, "Lucida Console", monospace; + font-size: 12px; +} +pre { + margin: 1em 2em; + padding: 1em; + border-radius: 5px; + overflow: auto; +} +code { + padding: 1px; +} +pre a, code a { + color: #006400 !important; +} +.common { + width: 100%; + margin: 0 auto; + color: #cccccc; +} +.common a { + + color: #7fc07f; + text-decoration: none; +} +.common hr { + border-color: #808080; +} +.common a:hover { + text-decoration: underline; +} +.common, .machine { + font-family: "Helvetica Neue", Helvetica, Arial, Geneva, sans-serif; + font-size: 15px; +} +.machine { + margin: 15px; + overflow: hidden; +} +.c1pjs { + overflow: visible; +} +.machine-placeholder { + text-align: center; + font-weight: bold; +} +.common-top { + background: #202020; + font-size: small; +} +.common-top-left { + float: left; + width: 60%; +} +.common-top-left ul { + line-height: 1.5em; + list-style-type: none; + margin: 0; + padding: 1em 1em 1em 9px; + overflow: hidden; +} +.common-top-left ul li { + display: block; + float: left; +} +.common-top-left ul li a { + border-right: 1px solid #6f6f6f; + padding: 2px 6px 2px 6px; +} +.common-top-left ul li:last-child a { + border-right: none; +} +.common-top-right { + float: right; + width: 40%; +} +.common-top-right p { + float: right; + margin: 0; + padding: 1em; +} +.common-middle { + clear: both; + padding: 1px 1em 1px 1em; + background: #404040; +} +.common-sidebar { + float: left; + font-size: small; + width: 140px; + padding-bottom: 20px; + overflow: hidden; + white-space: nowrap; + word-wrap: break-word; +} +.common-list { + list-style-type: none; + margin-top: 0; + margin-bottom: 0; + padding-left: 0; +} +.common-list li { + + padding-bottom: 7px; +} +.common-list-data { + list-style-type: none; + margin-top: 0; + margin-bottom: 0; + padding-left: 0; +} +.common-list-data li { + line-height: 1.5em; +} +.common-list-data-items, .common-list-data-subitems { + font-size: x-small; + list-style-type: none; + margin-top: 0; + margin-bottom: 0; + padding-left: 2em; +} +.common-list-data-items li, .common-list-data-subitems li { + padding-bottom: 0; +} +.common-main { + margin-left: 150px; + +} +.common-main blockquote { + text-align: justify; +} +.common-image-gallery { + margin: 0 auto; + text-align: center; +} +.common-image-gallery:after { + content: ''; + display: block; +} +.common-image-frame { + display: inline-block; + margin: 8px; + text-align: center; +} +.common-image-link { + padding: 5px; + border: 1px solid black; + border-radius: 5px; + background-color: #FAEBD7; +} +.common-image-label { + font-size: x-small; +} +.common-bottom { + clear: both; + padding-top: 1em; +} +.common-bottom:after { + content: ''; + display: block; + clear: both; +} +.common-reference { + float: left; + font-size: x-small; +} +.common-reference a { + text-decoration: none; +} +.common-copyright { + float: right; + font-size: x-small; +} +.common-copyright a { + text-decoration: none; +} +.md-list { +} +.md-list li { + line-height: 1.5em; + margin-bottom: 1em; +} +.md-list li p { + padding-left: 2em; +} +.md-list-compact { +} +.md-list-compact li { + margin-bottom: 0; +} +.md-list-none { + list-style-type: none; + padding-left: 2em; +} +.md-list-none li { + margin-bottom: 0; +} +@media screen and (max-width: 900px) { + + .common-sidebar { + width: 100%; + white-space: normal; + } + .common-list { + padding-left: 0; + } + .common-list-data { + padding-left: 0; + } + .common-sidebar h4, .common-list li, .common-list-data li, .common-list-data-items li { + width: 130px; + float: left; + overflow: hidden; + vertical-align: top; + padding-right: 1em; + margin-top: 0; + } + .common-list-data-subitems { + display: none; + } + .common-main { + clear: both; + margin-left: 0; + padding-left: 0; + padding-right: 0; + } + .md-list-none { + padding-left: 1em; + } +} diff --git a/versions/pcx86/1.24.2/common.xsl b/versions/pcx86/1.24.2/common.xsl new file mode 100644 index 000000000..0ebd3f54e --- /dev/null +++ b/versions/pcx86/1.24.2/common.xsl @@ -0,0 +1,58 @@ + + + + + +]> + + + + + + + + + + + + + + + + + + + + + + +
    +
    + +
    +
    +

    Powered by JavaScript and GitHub

    +
    +
    +     + + +
    +

    +

    + pcjs.org website © 2012-2016 by @jeffpar
    + PCjs and C1Pjs released under GPL version 3 or later +

    +
    +     + +     diff --git a/versions/pcx86/1.24.2/components.css b/versions/pcx86/1.24.2/components.css new file mode 100644 index 000000000..0e0842602 --- /dev/null +++ b/versions/pcx86/1.24.2/components.css @@ -0,0 +1,159 @@ +@CHARSET "UTF-8"; + + +*:not(input,textarea) { + -webkit-user-select: none; +} +.pcjs-embed { +} +.pcjs-embed:after { + clear:both; +} +.pcjs-machine { +} +.pcjs-name, .pcjs-menu { + clear: both; + font-weight: bold; + padding-bottom: 4px; +} +.pcjs-menu { + float: left; +} +.pcjs-canvas { + width: 100%; + height: auto; +} +.pcjs-container { + color: #000000; + position: relative; +} +.pcjs-label { + font-size: small; + line-height: 19px; + vertical-align: middle; + float: left; + font-family: "Lucida Console", monospace; +} +.pcjs-controls textarea { + font-family: Monaco, monospace; + font-size: x-small; +} +.pcjs-fieldset { + border: none; + margin: 0; + padding: 0; +} +.pcjs-flag { + font-family: "Lucida Console", monospace; + font-size: small; + text-align: center; + line-height: 19px; + vertical-align: middle; +} +.pcjs-register { + font-family: "Lucida Console", monospace; + font-size: small; + text-align: center; + line-height: 19px; + vertical-align: middle; + border: 1px solid black; +} +.pcjs-switches { + float: left; +} +.pcjs-bitBucket { + float: left; + width: 19px; + height: 38px; +} +.pcjs-bitCell { + float: left; + width: 19px; + height: 19px; + margin-right: -1px; + margin-bottom: -1px; + border: 1px solid black; + text-align: center; + line-height: 19px; +} +.pcjs-bitCellLeft { + border-left: 1px solid black; +} +.pcjs-bitLabel { + font-size: xx-small; + text-align: center; +} +.pcjs-description, .pcjs-status { + font-size: x-small; + line-height: 2em; +} +.pcjs-key { + border: 1px solid black; + font-size: x-small; + text-align: center; + position: absolute; + height: 34px; + line-height: 34px; + background-color: #ffffff; +} +.pcjs-led { + float: left; + width: 8px; + height: 8px; + margin: 4px; + border: 1px solid black; + text-align: center; + line-height: 19px; + background-color: #000000; +} +.pcjs-rled { + float: left; + width: 8px; + height: 8px; + margin: 4px; + border: 1px solid black; + border-radius: 50%; + text-align: center; + line-height: 19px; + background-color: #000000; +} +.pcjs-screen { + clear: both; + height: auto; + position: relative; + line-height: 0; +} +.pcjs-screen textarea { + position: absolute; + left: 0; + top: 0; + width: 100%; + height: 100%; + opacity: 0; + border: 0; + padding: 0; + line-height: 0; +} +.pcjs-reference { + float: left; + font-size: x-small; +} +.pcjs-reference a { + text-decoration: none; +} +.pcjs-copyright { + float: right; + font-size: x-small; +} +.pcjs-copyright a { + text-decoration: none; +} + +@media screen and (max-width: 900px) { + .pcjs-textarea { + width: 100% !important; + } + .pcjs-registers { + width: 100% !important; + } +} diff --git a/versions/pcx86/1.24.2/components.xsl b/versions/pcx86/1.24.2/components.xsl new file mode 100644 index 000000000..e98fb4cb7 --- /dev/null +++ b/versions/pcx86/1.24.2/components.xsl @@ -0,0 +1,1242 @@ + + + + + + + + + + + pc + pcjs + pcx86 + PCx86 + 1.24.2 + www.pcjs.org + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + float: + + + + js + + + +
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    + + + + + + +
    + + + + + + + + --object -screen + + +
    +     + +
    + +
    +     + + + + +
    + + +
    [XML]
     + +     +
    [Save Machine]
     +
    + v © 2012-2016 by @jeffpar +
    +
    +     +
    +     + + + + + text-align:center; + + + +

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+ +.page { + margin: 2% 2%; + padding: 2% 2%; + min-width: 30em; + overflow: auto; + font-size: large; + font-family: Helvetica, Arial, sans-serif; + background: #303030; + color: #ccc; + +} +.page-header { +} +.page-header-title { + text-align: center; + +} +.page a { + color: #7fc07f; + text-decoration: none; +} +a.footlink, a.paralink { + text-decoration: none; +} +a.footlink:link, a.paralink:link { + color: blue; +} +a.footlink:visited, a.paralink:visited { + color: blue; +} +.galleryitem { + float: left; + width: 200px; +} +.item { + float: left; + width: 2em; + text-indent: 1em; +} +.list { + margin-left: 3em; + text-indent: 0; + text-align: justify; +} +ul { + list-style: none; +} +div.pnumber { + float: left; + width: 2em; + text-indent: 1em; +} +div.pitem { + margin-left: 10em; +} +p.indent, .justified p { + text-indent: 2em; + text-align: justify; + line-height: 1.5em; +} +p.noindent { + text-indent: 0; + text-align: justify; +} +p.center, .center { + text-align: center; +} +li.para { + margin-top: 1em; + margin-bottom: 1em; +} +.left { + text-align: left; +} +.right { + text-align: right; +} +blockquote.tag { + font-size: small; + font-family: Monaco, Fixed, monospace; + margin-top: 0; + margin-bottom: 0; +} +.blockquote { + padding-left: 1em; + text-indent: 0; + text-align: justify; +} +.italics { + font-style: italic; +} +.medium { + font-size: medium; +} +.small { + font-size: x-small; +} +.smallcaps { + font-variant: small-caps; +} +.strike { + text-decoration: line-through; +} +.summation, .bracelist { + display: inline-block; + position: relative; + vertical-align: middle; + text-align: center; + margin-bottom: 0.5ex; + text-indent: 0; +} +.bracelist-symbol { + font-size: 3em; + vertical-align: -40%; +} +.summation .summation-lower, .summation .summation-upper, .bracelist-item { + display: block; + font-size: 75%; + text-align: center; +} +.summation .summation-upper { + margin-bottom: 0; + margin-left: 0.8ex; + font-style: italic; +} +.summation .summation-lower{ + margin-bottom: -0.6ex; + font-style: italic; +} +.summation .summation-symbol { + font-size: 2em; +} +p sup { + vertical-align: baseline; + position: relative; + bottom: .5em; + font-size: small; +} +p sub { + vertical-align: baseline; + position: relative; + bottom: -.5em; + font-size: small; +} +.footnote { + font-size: medium; + text-indent: 1em; + text-align: justify; + margin-top: .5em; +} +.image-right { + float: right; + margin-left: 1em; + margin-top: 1em; + margin-bottom: 1em; +} +.image-caption { + font-size: small; + text-align: center; +} \ No newline at end of file diff --git a/versions/pcx86/1.24.2/document.xsl b/versions/pcx86/1.24.2/document.xsl new file mode 100644 index 000000000..e71127dc4 --- /dev/null +++ b/versions/pcx86/1.24.2/document.xsl @@ -0,0 +1,452 @@ + + + + + +]> + + + + + + + + + +

    +     + + + + + + + +

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    image
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    {.}
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    +
    + +
    +
    +     + + +
    + {.}
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    +
    +     + + + +

    Timeline

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    +
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    People

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  • + +
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    Resources

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    +     + +     diff --git a/versions/pcx86/1.24.2/machine.xsl b/versions/pcx86/1.24.2/machine.xsl new file mode 100644 index 000000000..fc02b5280 --- /dev/null +++ b/versions/pcx86/1.24.2/machine.xsl @@ -0,0 +1,49 @@ + + + + +]> + + + + + + + + + + + <xsl:value-of select="$SITEHOST"/> + + + + +
    + +
    +

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    + + + + js + , + +
    +
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    Document Manifest

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      + + + + None + + + + + + + + + + + + + + + + +
    +
    +
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    + + +     + + + + + + + + + + + <xsl:value-of select="$SITEHOST"/> + + + + +
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    Software Manifest

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    +
    + + + + + + + +

    No default machine specified for '' in manifest.xml

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        + +
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    +
    + +
    +
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+function Sh(a,b){var c=(a<<16>>16)*(b<<16>>16)|0;32767c?(zf(this),Bf(this)):(Af(this),Cf(this));this.A-=-1===this.D?9:12;return c&65535}function Uh(a,b){Vh.call(this,a,b);this.wa!=this.ia>>31?(zf(this),Bf(this)):(Af(this),Cf(this));this.A-=-1===this.D?9:12;return this.ia}function Xh(a,b){this.A-=14+(-1===this.D?0:2);Gf(this);-1!==this.Da.load(b)&&this.Da.Gc>=this.pa&&this.Da.Gc>=(b&3)&&(If(this),a=this.Da.wb&-256,2=this.pa)&&this.Da.Gc>=(b&3))return If(this),this.Da.Ta;Gf(this);return a}function di(a,b){if(-1===this.D)return je.call(this),a;md(this,this.na(this.D+this.ba));this.A-=this.B.pf;return b} +function ei(a,b){this.A-=-1===this.C?-1===this.D?this.B.Oj:this.B.Nj:this.B.Lj;return b}function fi(a,b){switch(this.L>>3&7){case 4:this.aa=this.G;break;case 5:this.aa=this.I;break;case 6:this.aa=this.M;break;case 7:this.aa=this.H}return b}function gi(a,b){return b} +function hi(a,b){var c=this.L>>3&7;switch(c){case 0:this.aa=this.G;break;case 2:this.aa=this.M;break;case 3:this.aa=this.H;break;default:if(80286==this.ja||80386==this.ja&&4!=c&&5!=c){C.call(this,6);break}switch(c){case 1:this.aa=this.I;break;case 4:this.aa=I(this);break;case 5:this.aa=this.P;break;case 6:this.aa=this.K;break;case 7:this.aa=this.J}}return ei.call(this,0,b)} +function ii(a,b){switch(this.L>>3&7){case 0:b=this.Xa.Z;break;case 1:b=this.va.Z;break;case 2:b=this.ta.Z;break;case 3:b=this.vb.Z;break;case 4:if(80386<=this.ja){b=this.Nb.Z;break}C.call(this,6);b=a;break;case 5:if(80386<=this.ja){b=this.Ob.Z;break}default:C.call(this,6),b=a}-1!==this.C&&ud(this,2);return ei.call(this,0,b)} +function Wh(a,b){if(a&-65536||b&-65536){var c=b&65535,d=b>>>16,e=a&65535,f=a>>>16,g=c*e,e=(g>>>16)+d*e,h=e>>>16,e=(e&65535)+c*f;this.ia=e<<16|g&65535;this.wa=h+((e>>>16)+d*f)|0}else this.ia=a*b|0,this.wa=0}function ji(a,b){this.A-=-1===this.C?-1===this.D?this.B.yc:this.B.Vb:this.B.Nc;return yf(this,a|b,128)}function Bi(a,b){this.A-=-1===this.C?-1===this.D?this.B.yc:this.B.Vb:this.B.Nc;return yf(this,a|b,this.Ga)&this.R} +function Ci(a,b){var c=a-b-Ef(this)|0;rf(this,a,b,c,191,!0);this.A-=-1===this.C?-1===this.D?this.B.yc:this.B.Vb:this.B.Nc;return c&255}function Di(a,b){var c=a-b-Ef(this)|0;rf(this,a,b,c,this.Ga|63,!0);this.A-=-1===this.C?-1===this.D?this.B.yc:this.B.Vb:this.B.Nc;return c&this.R}function Ei(){return xf(this)?1:0}function Fi(){return sf(this)?1:0}function Gi(){return sf(this)?0:1}function Hi(){return vf(this)?1:0}function Ii(){return vf(this)?0:1}function Ji(){return sf(this)||vf(this)?1:0} +function Ki(){return sf(this)||vf(this)?0:1}function Li(){return wf(this)?1:0}function Mi(){return wf(this)?0:1}function Ni(){return tf(this)?1:0}function Oi(){return tf(this)?0:1}function Pi(){return!wf(this)!=!xf(this)?1:0}function Qi(){return!wf(this)!=!xf(this)?0:1}function Ri(){return vf(this)||!wf(this)!=!xf(this)?1:0}function Si(){return vf(this)||!wf(this)!=!xf(this)?0:1}function Ti(a,b){return Ui.call(this,a,b,this.xa())}function Vi(a,b){return Wi.call(this,a,b,this.xa())} +function Xi(a,b){return Ui.call(this,a,b,this.I&31)}function Yi(a,b){return Wi.call(this,a,b,this.I&31)}function Zi(a,b){return $i.call(this,a,b,this.xa())}function aj(a,b){return bj.call(this,a,b,this.xa())}function cj(a,b){return $i.call(this,a,b,this.I&31)}function dj(a,b){return bj.call(this,a,b,this.I&31)}function ej(a,b){var c=a-b|0;rf(this,a,b,c,191,!0);this.A-=-1===this.C?-1===this.D?this.B.yc:this.B.Vb:this.B.Nc;return c&255} +function fj(a,b){var c=a-b|0;rf(this,a,b,c,this.Ga|63,!0);this.A-=-1===this.C?-1===this.D?this.B.yc:this.B.Vb:this.B.Nc;return c&this.R}function gj(a,b){yf(this,a&b,128);this.A-=-1===this.C?-1===this.D?this.B.ci:this.B.Uf:this.B.Uf;this.S|=2;return a}function hj(a,b){yf(this,a&b,this.Ga);this.A-=-1===this.C?-1===this.D?this.B.ci:this.B.Uf:this.B.Uf;this.S|=2;return a}function ij(a,b){var c=this.G&this.R,d=(1<<(this.I&31))-1;return a&~(d<>(this.G&this.R)&(1<<(this.I&31))-1&this.R}function kj(a,b){if(-1===this.D){switch(this.L&7){case 0:this.G=this.G&-256|a;break;case 1:this.I=this.I&-256|a;break;case 2:this.M=this.M&-256|a;break;case 3:this.H=this.H&-256|a;break;case 4:this.G=this.G&-65281|a<<8;break;case 5:this.I=this.I&-65281|a<<8;break;case 6:this.M=this.M&-65281|a<<8;break;case 7:this.H=this.H&-65281|a<<8}this.A-=this.B.ei}else this.C=this.D,Rf(this,a),this.A-=this.B.di;return b} +function lj(a,b){if(-1===this.D){switch(this.L&7){case 0:this.G=this.G&~this.R|a;break;case 1:this.I=this.I&~this.R|a;break;case 2:this.M=this.M&~this.R|a;break;case 3:this.H=this.H&~this.R|a;break;case 4:G(this,I(this)&~this.R|a);break;case 5:this.P=this.H&~this.R|a;break;case 6:this.K=this.K&~this.R|a;break;case 7:this.J=this.J&~this.R|a}this.A-=this.B.ei}else this.C=this.D,this.S&2||this.rc(this.$b.nc(this.Ca,this.ba),a),this.A-=this.B.di;return b} +function mj(a,b){var c=a^b;yf(this,c,128);this.A-=-1===this.C?-1===this.D?this.B.yc:this.B.Vb:this.B.Nc;return c}function nj(a,b){this.A-=-1===this.C?-1===this.D?this.B.yc:this.B.Vb:this.B.Nc;return yf(this,a^b,this.Ga)&this.R}function oj(a,b){var c=a[1]-b[1];c||(c=a[0]-b[0]);return c}function pj(a){var b=a-1|0;rf(this,a,1,b,this.Ga|62,!0);this.A-=2;return a&~this.R|b&this.R} +function qj(a,b,c){c>>>=0;if(!c||c<=b>>>0)return!1;var d=0,e=1;c=[c>>>0,0];for(a=[a>>>0,b>>>0];0>>=0,b[1]++);e+=e}do 0<=oj(a,c)&&(b=a,f=c,b[0]-=f[0],b[1]-=f[1],0>b[0]&&(b[0]>>>=0,b[1]--),d+=e),b=c,b[0]>>>=1,b[1]&1&&(b[0]=(b[0]|2147483648)>>>0),b[1]>>>=1,e/=2;while(1<=e);this.ia=d;this.wa=a[0];return!0}function rj(a){var b=a+1|0;rf(this,a,1,b,this.Ga|62);this.A-=2;return a&~this.R|b&this.R} +function sj(a){this.Za=a;od(this);this.Za&-2147483648?ue(this):we(this)}function Cd(a){this.Qd=a;Yb(this)}function tj(a){this.S|=1;this.$a.call(this,a);this.A-=-1===this.D?4:5}function Ui(a,b,c){if(c){16>>16-c)&65535;yf(this,a,32768,d&32768)}return a}function Wi(a,b,c){if(c){var d=a<>>32-c;yf(this,a,-2147483648,d&-2147483648)}return a} +function $i(a,b,c){if(c){16>>c-1;a=(d>>>1|b<<16-c)&65535;yf(this,a,32768,d&1)}return a}function bj(a,b,c){if(c){var d=a>>>c-1;a=d>>>1|b<<32-c;yf(this,a,-2147483648,d&1)}return a}function uj(){this.A-=-1===this.D?2:this.B.ak;return 1}function vj(){var a=this.I&255;this.A-=(-1===this.D?this.B.Wh:this.B.Vh)+(a<this.rb?(-1!=this.bc&&(this.bc!==this.va.Z&&(this.va.Lb=this.bc&3,nf(this,this.bc)),this.bc=-1),this.se!==this.Ha&&of(this,this.se),-1!=this.sb&&(this.sb!==this.ta.Z&&md(this,this.sb),this.sb=-1),-1!==this.U&&(this.U!==this.fa&&G(this,this.gb&~this.ta.Ba|this.U-this.ta.Aa),this.U=-1)):8!=this.rb?(b=0,a=8):(b=0,a=-1,se(this),e=d=!1)):of(this,this.se);var f=a,g=b,h=32,k=Lf(this,this.Ha);204!=k||this.Ud||(d=!1);this.ca&131072&&(6==f&&99== +k||13==f&&205==k)&&(d=!1);!1===d&&(h|=1);983040<=this.Ha&&1048575>=this.Ha&&(d=!1);A(this,h|-2147483648)&&(d=!0);if(A(this,h)||d){var l=this.la.Fb,f="Fault "+t(f)+(null!=g?" ("+u(g)+")":"")+" on opcode "+t(k);d&&l&&(f+=" (blocked)");this.ha?(y(this,f,d||h,!0),d&&(d=l,this.ha.Wb())):(this.Na(f),this.Wb())}if(d&&e)throw-1;if(e)throw this.rb=a,Aj.call(this,a,b,c),this.se=this.Ha,this.S=1==a?this.S|8192:this.S|4096,a;} +function ve(a,b,c){this.ue=a;a=0;b&&(a|=1);c&&(a|=2);3==this.pa&&(a|=4);C.call(this,14,a)}function Cj(a){var b=a.wb&7680;a.Z&65528&&(6144==b||7168==b||7168>b&&a.Gc>8&255;break;case 197:c=this.I>>8&255;break;case 198:c=this.M>>8&255;break;case 199:c=this.H>>8&255;break;default:c=0}var d=this.L>>3&7;switch(d){case 0:b=this.G&255;break;case 1:b=this.I&255;break;case 2:b=this.M&255;break;case 3:b=this.H&255;break;case 4:b=this.G>>8&255;break;case 5:b=this.I>>8&255;break;case 6:b=this.M>>8&255;break;case 7:b=this.H>>8&255;break;default:b=0}a=a.call(this,b,c);switch(d){case 0:this.G=this.G& +-256|a;break;case 1:this.I=this.I&-256|a;break;case 2:this.M=this.M&-256|a;break;case 3:this.H=this.H&-256|a;break;case 4:this.G=this.G&-65281|a<<8;break;case 5:this.I=this.I&-65281|a<<8;break;case 6:this.M=this.M&-65281|a<<8;break;case 7:this.H=this.H&-65281|a<<8}} +function Be(a){var b,c,d=(this.L=this.xa())&199;switch(d){case 0:b=Q(this,this.H+this.K);this.C=this.D;break;case 1:b=Q(this,this.H+this.J);this.C=this.D;break;case 2:b=Nf(this,this.P+this.K);this.C=this.D;break;case 3:b=Nf(this,this.P+this.J);this.C=this.D;break;case 4:b=Q(this,this.K);this.C=this.D;break;case 5:b=Q(this,this.J);this.C=this.D;break;case 6:b=Q(this,T(this));this.C=this.D;break;case 7:b=Q(this,this.H);this.C=this.D;break;case 64:b=Q(this,this.H+this.K+this.T());this.C=this.D;break; +case 65:b=Q(this,this.H+this.J+this.T());this.C=this.D;break;case 66:b=Nf(this,this.P+this.K+this.T());this.C=this.D;break;case 67:b=Nf(this,this.P+this.J+this.T());this.C=this.D;break;case 68:b=Q(this,this.K+this.T());this.C=this.D;break;case 69:b=Q(this,this.J+this.T());this.C=this.D;break;case 70:b=Nf(this,this.P+this.T());this.C=this.D;break;case 71:b=Q(this,this.H+this.T());this.C=this.D;break;case 128:b=Q(this,this.H+this.K+T(this));this.C=this.D;break;case 129:b=Q(this,this.H+this.J+T(this)); +this.C=this.D;break;case 130:b=Nf(this,this.P+this.K+T(this));this.C=this.D;break;case 131:b=Nf(this,this.P+this.J+T(this));this.C=this.D;break;case 132:b=Q(this,this.K+T(this));this.C=this.D;break;case 133:b=Q(this,this.J+T(this));this.C=this.D;break;case 134:b=Nf(this,this.P+T(this));this.C=this.D;break;case 135:b=Q(this,this.H+T(this));this.C=this.D;break;case 192:b=this.G&255;break;case 193:b=this.I&255;break;case 194:b=this.M&255;break;case 195:b=this.H&255;break;case 196:b=this.G>>8&255;break; +case 197:b=this.I>>8&255;break;case 198:b=this.M>>8&255;break;case 199:b=this.H>>8&255;break;default:b=0}switch(this.L>>3&7){case 0:c=this.G&255;break;case 1:c=this.I&255;break;case 2:c=this.M&255;break;case 3:c=this.H&255;break;case 4:c=this.G>>8&255;break;case 5:c=this.I>>8&255;break;case 6:c=this.M>>8&255;break;case 7:c=this.H>>8&255;break;default:c=0}a=a.call(this,b,c);switch(d){case 0:case 3:Rf(this,a);this.A-=this.B.ed;break;case 1:case 2:Rf(this,a);this.A-=this.B.fd;break;case 4:case 5:case 7:Rf(this, +a);this.A-=this.B.Jc;break;case 6:Rf(this,a);this.A-=this.B.Ld;break;case 64:case 67:case 128:case 131:Rf(this,a);this.A-=this.B.ec;break;case 65:case 66:case 129:case 130:Rf(this,a);this.A-=this.B.fc;break;case 68:case 69:case 70:case 71:case 132:case 133:case 134:case 135:Rf(this,a);this.A-=this.B.ib;break;case 192:this.G=this.G&-256|a;break;case 193:this.I=this.I&-256|a;break;case 194:this.M=this.M&-256|a;break;case 195:this.H=this.H&-256|a;break;case 196:this.G=this.G&-65281|a<<8;break;case 197:this.I= +this.I&-65281|a<<8;break;case 198:this.M=this.M&-65281|a<<8;break;case 199:this.H=this.H&-65281|a<<8}} +function Ce(a,b){var c,d=(this.L=this.xa())&199;switch(d){case 0:c=Q(this,this.H+this.K);this.C=this.D;break;case 1:c=Q(this,this.H+this.J);this.C=this.D;break;case 2:c=Nf(this,this.P+this.K);this.C=this.D;break;case 3:c=Nf(this,this.P+this.J);this.C=this.D;break;case 4:c=Q(this,this.K);this.C=this.D;break;case 5:c=Q(this,this.J);this.C=this.D;break;case 6:c=Q(this,T(this));this.C=this.D;break;case 7:c=Q(this,this.H);this.C=this.D;break;case 64:c=Q(this,this.H+this.K+this.T());this.C=this.D;break; +case 65:c=Q(this,this.H+this.J+this.T());this.C=this.D;break;case 66:c=Nf(this,this.P+this.K+this.T());this.C=this.D;break;case 67:c=Nf(this,this.P+this.J+this.T());this.C=this.D;break;case 68:c=Q(this,this.K+this.T());this.C=this.D;break;case 69:c=Q(this,this.J+this.T());this.C=this.D;break;case 70:c=Nf(this,this.P+this.T());this.C=this.D;break;case 71:c=Q(this,this.H+this.T());this.C=this.D;break;case 128:c=Q(this,this.H+this.K+T(this));this.C=this.D;break;case 129:c=Q(this,this.H+this.J+T(this)); +this.C=this.D;break;case 130:c=Nf(this,this.P+this.K+T(this));this.C=this.D;break;case 131:c=Nf(this,this.P+this.J+T(this));this.C=this.D;break;case 132:c=Q(this,this.K+T(this));this.C=this.D;break;case 133:c=Q(this,this.J+T(this));this.C=this.D;break;case 134:c=Nf(this,this.P+T(this));this.C=this.D;break;case 135:c=Q(this,this.H+T(this));this.C=this.D;break;case 192:c=this.G&255;break;case 193:c=this.I&255;break;case 194:c=this.M&255;break;case 195:c=this.H&255;break;case 196:c=this.G>>8&255;break; +case 197:c=this.I>>8&255;break;case 198:c=this.M>>8&255;break;case 199:c=this.H>>8&255;break;default:c=0}c=a[this.L>>3&7].call(this,c,b.call(this));switch(d){case 0:case 3:Rf(this,c);this.A-=this.B.ed;break;case 1:case 2:Rf(this,c);this.A-=this.B.fd;break;case 4:case 5:case 7:Rf(this,c);this.A-=this.B.Jc;break;case 6:Rf(this,c);this.A-=this.B.Ld;break;case 64:case 67:case 128:case 131:Rf(this,c);this.A-=this.B.ec;break;case 65:case 66:case 129:case 130:Rf(this,c);this.A-=this.B.fc;break;case 68:case 69:case 70:case 71:case 132:case 133:case 134:case 135:Rf(this, +c);this.A-=this.B.ib;break;case 192:this.G=this.G&-256|c;break;case 193:this.I=this.I&-256|c;break;case 194:this.M=this.M&-256|c;break;case 195:this.H=this.H&-256|c;break;case 196:this.G=this.G&-65281|c<<8;break;case 197:this.I=this.I&-65281|c<<8;break;case 198:this.M=this.M&-65281|c<<8;break;case 199:this.H=this.H&-65281|c<<8}} +function De(a){var b,c;switch((this.L=this.xa())&199){case 0:c=R(this,this.H+this.K);this.A-=this.B.ed;break;case 1:c=R(this,this.H+this.J);this.A-=this.B.fd;break;case 2:c=Pf(this,this.P+this.K);this.A-=this.B.fd;break;case 3:c=Pf(this,this.P+this.J);this.A-=this.B.ed;break;case 4:c=R(this,this.K);this.A-=this.B.Jc;break;case 5:c=R(this,this.J);this.A-=this.B.Jc;break;case 6:c=R(this,T(this));this.A-=this.B.Ld;break;case 7:c=R(this,this.H);this.A-=this.B.Jc;break;case 64:c=R(this,this.H+this.K+this.T()); +this.A-=this.B.ec;break;case 65:c=R(this,this.H+this.J+this.T());this.A-=this.B.fc;break;case 66:c=Pf(this,this.P+this.K+this.T());this.A-=this.B.fc;break;case 67:c=Pf(this,this.P+this.J+this.T());this.A-=this.B.ec;break;case 68:c=R(this,this.K+this.T());this.A-=this.B.ib;break;case 69:c=R(this,this.J+this.T());this.A-=this.B.ib;break;case 70:c=Pf(this,this.P+this.T());this.A-=this.B.ib;break;case 71:c=R(this,this.H+this.T());this.A-=this.B.ib;break;case 128:c=R(this,this.H+this.K+T(this));this.A-= +this.B.ec;break;case 129:c=R(this,this.H+this.J+T(this));this.A-=this.B.fc;break;case 130:c=Pf(this,this.P+this.K+T(this));this.A-=this.B.fc;break;case 131:c=Pf(this,this.P+this.J+T(this));this.A-=this.B.ec;break;case 132:c=R(this,this.K+T(this));this.A-=this.B.ib;break;case 133:c=R(this,this.J+T(this));this.A-=this.B.ib;break;case 134:c=Pf(this,this.P+T(this));this.A-=this.B.ib;break;case 135:c=R(this,this.H+T(this));this.A-=this.B.ib;break;case 192:c=this.G&65535;break;case 193:c=this.I&65535;break; +case 194:c=this.M&65535;break;case 195:c=this.H&65535;break;case 196:c=I(this)&65535;break;case 197:c=this.P&65535;break;case 198:c=this.K&65535;break;case 199:c=this.J&65535;break;default:c=0}var d=this.L>>3&7;switch(d){case 0:b=this.G&65535;break;case 1:b=this.I&65535;break;case 2:b=this.M&65535;break;case 3:b=this.H&65535;break;case 4:b=I(this)&65535;break;case 5:b=this.P&65535;break;case 6:b=this.K&65535;break;case 7:b=this.J&65535;break;default:b=0}a=a.call(this,b,c);switch(d){case 0:this.G= +this.G&-65536|a;break;case 1:this.I=this.I&-65536|a;break;case 2:this.M=this.M&-65536|a;break;case 3:this.H=this.H&-65536|a;break;case 4:G(this,I(this)&-65536|a);break;case 5:this.P=this.P&-65536|a;break;case 6:this.K=this.K&-65536|a;break;case 7:this.J=this.J&-65536|a}} +function Ee(a){var b,c,d=(this.L=this.xa())&199;switch(d){case 0:b=R(this,this.H+this.K);this.C=this.D;break;case 1:b=R(this,this.H+this.J);this.C=this.D;break;case 2:b=Pf(this,this.P+this.K);this.C=this.D;break;case 3:b=Pf(this,this.P+this.J);this.C=this.D;break;case 4:b=R(this,this.K);this.C=this.D;break;case 5:b=R(this,this.J);this.C=this.D;break;case 6:b=R(this,T(this));this.C=this.D;break;case 7:b=R(this,this.H);this.C=this.D;break;case 64:b=R(this,this.H+this.K+this.T());this.C=this.D;break; +case 65:b=R(this,this.H+this.J+this.T());this.C=this.D;break;case 66:b=Pf(this,this.P+this.K+this.T());this.C=this.D;break;case 67:b=Pf(this,this.P+this.J+this.T());this.C=this.D;break;case 68:b=R(this,this.K+this.T());this.C=this.D;break;case 69:b=R(this,this.J+this.T());this.C=this.D;break;case 70:b=Pf(this,this.P+this.T());this.C=this.D;break;case 71:b=R(this,this.H+this.T());this.C=this.D;break;case 128:b=R(this,this.H+this.K+T(this));this.C=this.D;break;case 129:b=R(this,this.H+this.J+T(this)); +this.C=this.D;break;case 130:b=Pf(this,this.P+this.K+T(this));this.C=this.D;break;case 131:b=Pf(this,this.P+this.J+T(this));this.C=this.D;break;case 132:b=R(this,this.K+T(this));this.C=this.D;break;case 133:b=R(this,this.J+T(this));this.C=this.D;break;case 134:b=Pf(this,this.P+T(this));this.C=this.D;break;case 135:b=R(this,this.H+T(this));this.C=this.D;break;case 192:b=this.G&65535;break;case 193:b=this.I&65535;break;case 194:b=this.M&65535;break;case 195:b=this.H&65535;break;case 196:b=I(this)&65535; +break;case 197:b=this.P&65535;break;case 198:b=this.K&65535;break;case 199:b=this.J&65535;break;default:b=0}switch(this.L>>3&7){case 0:c=this.G&65535;break;case 1:c=this.I&65535;break;case 2:c=this.M&65535;break;case 3:c=this.H&65535;break;case 4:c=I(this)&65535;break;case 5:c=this.P&65535;break;case 6:c=this.K&65535;break;case 7:c=this.J&65535;break;default:c=0}a=a.call(this,b,c);switch(d){case 0:case 3:Sf(this,a);this.A-=this.B.ed;break;case 1:case 2:Sf(this,a);this.A-=this.B.fd;break;case 4:case 5:case 7:Sf(this, +a);this.A-=this.B.Jc;break;case 6:Sf(this,a);this.A-=this.B.Ld;break;case 64:case 67:case 128:case 131:Sf(this,a);this.A-=this.B.ec;break;case 65:case 66:case 129:case 130:Sf(this,a);this.A-=this.B.fc;break;case 68:case 69:case 70:case 71:case 132:case 133:case 134:case 135:Sf(this,a);this.A-=this.B.ib;break;case 192:this.G=this.G&-65536|a;break;case 193:this.I=this.I&-65536|a;break;case 194:this.M=this.M&-65536|a;break;case 195:this.H=this.H&-65536|a;break;case 196:G(this,I(this)&-65536|a);break; +case 197:this.P=this.P&-65536|a;break;case 198:this.K=this.K&-65536|a;break;case 199:this.J=this.J&-65536|a}} +function Fe(a,b){var c,d=(this.L=this.xa())&199;switch(d){case 0:c=R(this,this.H+this.K);this.C=this.D;break;case 1:c=R(this,this.H+this.J);this.C=this.D;break;case 2:c=Pf(this,this.P+this.K);this.C=this.D;break;case 3:c=Pf(this,this.P+this.J);this.C=this.D;break;case 4:c=R(this,this.K);this.C=this.D;break;case 5:c=R(this,this.J);this.C=this.D;break;case 6:c=R(this,T(this));this.C=this.D;break;case 7:c=R(this,this.H);this.C=this.D;break;case 64:c=R(this,this.H+this.K+this.T());this.C=this.D;break; +case 65:c=R(this,this.H+this.J+this.T());this.C=this.D;break;case 66:c=Pf(this,this.P+this.K+this.T());this.C=this.D;break;case 67:c=Pf(this,this.P+this.J+this.T());this.C=this.D;break;case 68:c=R(this,this.K+this.T());this.C=this.D;break;case 69:c=R(this,this.J+this.T());this.C=this.D;break;case 70:c=Pf(this,this.P+this.T());this.C=this.D;break;case 71:c=R(this,this.H+this.T());this.C=this.D;break;case 128:c=R(this,this.H+this.K+T(this));this.C=this.D;break;case 129:c=R(this,this.H+this.J+T(this)); +this.C=this.D;break;case 130:c=Pf(this,this.P+this.K+T(this));this.C=this.D;break;case 131:c=Pf(this,this.P+this.J+T(this));this.C=this.D;break;case 132:c=R(this,this.K+T(this));this.C=this.D;break;case 133:c=R(this,this.J+T(this));this.C=this.D;break;case 134:c=Pf(this,this.P+T(this));this.C=this.D;break;case 135:c=R(this,this.H+T(this));this.C=this.D;break;case 192:c=this.G&65535;break;case 193:c=this.I&65535;break;case 194:c=this.M&65535;break;case 195:c=this.H&65535;break;case 196:c=I(this)&65535; +break;case 197:c=this.P&65535;break;case 198:c=this.K&65535;break;case 199:c=this.J&65535;break;default:c=0}c=a[this.L>>3&7].call(this,c,b.call(this));switch(d){case 0:case 3:Sf(this,c);this.A-=this.B.ed;break;case 1:case 2:Sf(this,c);this.A-=this.B.fd;break;case 4:case 5:case 7:Sf(this,c);this.A-=this.B.Jc;break;case 6:Sf(this,c);this.A-=this.B.Ld;break;case 64:case 67:case 128:case 131:Sf(this,c);this.A-=this.B.ec;break;case 65:case 66:case 129:case 130:Sf(this,c);this.A-=this.B.fc;break;case 68:case 69:case 70:case 71:case 132:case 133:case 134:case 135:Sf(this, +c);this.A-=this.B.ib;break;case 192:this.G=this.G&-65536|c;break;case 193:this.I=this.I&-65536|c;break;case 194:this.M=this.M&-65536|c;break;case 195:this.H=this.H&-65536|c;break;case 196:G(this,I(this)&-65536|c);break;case 197:this.P=this.P&-65536|c;break;case 198:this.K=this.K&-65536|c;break;case 199:this.J=this.J&-65536|c}} +function Ge(a){var b,c;switch((this.L=this.xa())&199){case 0:c=S(this,this.H+this.K);this.A-=this.B.ed;break;case 1:c=S(this,this.H+this.J);this.A-=this.B.fd;break;case 2:c=Qf(this,this.P+this.K);this.A-=this.B.fd;break;case 3:c=Qf(this,this.P+this.J);this.A-=this.B.ed;break;case 4:c=S(this,this.K);this.A-=this.B.Jc;break;case 5:c=S(this,this.J);this.A-=this.B.Jc;break;case 6:c=S(this,T(this));this.A-=this.B.Ld;break;case 7:c=S(this,this.H);this.A-=this.B.Jc;break;case 64:c=S(this,this.H+this.K+this.T()); +this.A-=this.B.ec;break;case 65:c=S(this,this.H+this.J+this.T());this.A-=this.B.fc;break;case 66:c=Qf(this,this.P+this.K+this.T());this.A-=this.B.fc;break;case 67:c=Qf(this,this.P+this.J+this.T());this.A-=this.B.ec;break;case 68:c=S(this,this.K+this.T());this.A-=this.B.ib;break;case 69:c=S(this,this.J+this.T());this.A-=this.B.ib;break;case 70:c=Qf(this,this.P+this.T());this.A-=this.B.ib;break;case 71:c=S(this,this.H+this.T());this.A-=this.B.ib;break;case 128:c=S(this,this.H+this.K+T(this));this.A-= +this.B.ec;break;case 129:c=S(this,this.H+this.J+T(this));this.A-=this.B.fc;break;case 130:c=Qf(this,this.P+this.K+T(this));this.A-=this.B.fc;break;case 131:c=Qf(this,this.P+this.J+T(this));this.A-=this.B.ec;break;case 132:c=S(this,this.K+T(this));this.A-=this.B.ib;break;case 133:c=S(this,this.J+T(this));this.A-=this.B.ib;break;case 134:c=Qf(this,this.P+T(this));this.A-=this.B.ib;break;case 135:c=S(this,this.H+T(this));this.A-=this.B.ib;break;case 192:c=this.G;break;case 193:c=this.I;break;case 194:c= +this.M;break;case 195:c=this.H;break;case 196:c=I(this);break;case 197:c=this.P;break;case 198:c=this.K;break;case 199:c=this.J;break;default:c=0}var d=this.L>>3&7;switch(d){case 0:b=this.G;break;case 1:b=this.I;break;case 2:b=this.M;break;case 3:b=this.H;break;case 4:b=I(this);break;case 5:b=this.P;break;case 6:b=this.K;break;case 7:b=this.J;break;default:b=0}a=a.call(this,b,c);switch(d){case 0:this.G=a;break;case 1:this.I=a;break;case 2:this.M=a;break;case 3:this.H=a;break;case 4:G(this,a);break; +case 5:this.P=a;break;case 6:this.K=a;break;case 7:this.J=a}} +function He(a){var b,c,d=(this.L=this.xa())&199;switch(d){case 0:b=S(this,this.H+this.K);this.C=this.D;break;case 1:b=S(this,this.H+this.J);this.C=this.D;break;case 2:b=Qf(this,this.P+this.K);this.C=this.D;break;case 3:b=Qf(this,this.P+this.J);this.C=this.D;break;case 4:b=S(this,this.K);this.C=this.D;break;case 5:b=S(this,this.J);this.C=this.D;break;case 6:b=S(this,T(this));this.C=this.D;break;case 7:b=S(this,this.H);this.C=this.D;break;case 64:b=S(this,this.H+this.K+this.T());this.C=this.D;break; +case 65:b=S(this,this.H+this.J+this.T());this.C=this.D;break;case 66:b=Qf(this,this.P+this.K+this.T());this.C=this.D;break;case 67:b=Qf(this,this.P+this.J+this.T());this.C=this.D;break;case 68:b=S(this,this.K+this.T());this.C=this.D;break;case 69:b=S(this,this.J+this.T());this.C=this.D;break;case 70:b=Qf(this,this.P+this.T());this.C=this.D;break;case 71:b=S(this,this.H+this.T());this.C=this.D;break;case 128:b=S(this,this.H+this.K+T(this));this.C=this.D;break;case 129:b=S(this,this.H+this.J+T(this)); +this.C=this.D;break;case 130:b=Qf(this,this.P+this.K+T(this));this.C=this.D;break;case 131:b=Qf(this,this.P+this.J+T(this));this.C=this.D;break;case 132:b=S(this,this.K+T(this));this.C=this.D;break;case 133:b=S(this,this.J+T(this));this.C=this.D;break;case 134:b=Qf(this,this.P+T(this));this.C=this.D;break;case 135:b=S(this,this.H+T(this));this.C=this.D;break;case 192:b=this.G;break;case 193:b=this.I;break;case 194:b=this.M;break;case 195:b=this.H;break;case 196:b=I(this);break;case 197:b=this.P;break; +case 198:b=this.K;break;case 199:b=this.J;break;default:b=0}switch(this.L>>3&7){case 0:c=this.G;break;case 1:c=this.I;break;case 2:c=this.M;break;case 3:c=this.H;break;case 4:c=I(this);break;case 5:c=this.P;break;case 6:c=this.K;break;case 7:c=this.J;break;default:c=0}a=a.call(this,b,c);switch(d){case 0:case 3:Tf(this,a);this.A-=this.B.ed;break;case 1:case 2:Tf(this,a);this.A-=this.B.fd;break;case 4:case 5:case 7:Tf(this,a);this.A-=this.B.Jc;break;case 6:Tf(this,a);this.A-=this.B.Ld;break;case 64:case 67:case 128:case 131:Tf(this, +a);this.A-=this.B.ec;break;case 65:case 66:case 129:case 130:Tf(this,a);this.A-=this.B.fc;break;case 68:case 69:case 70:case 71:case 132:case 133:case 134:case 135:Tf(this,a);this.A-=this.B.ib;break;case 192:this.G=a;break;case 193:this.I=a;break;case 194:this.M=a;break;case 195:this.H=a;break;case 196:G(this,a);break;case 197:this.P=a;break;case 198:this.K=a;break;case 199:this.J=a}} +function Ie(a,b){var c,d=(this.L=this.xa())&199;switch(d){case 0:c=S(this,this.H+this.K);this.C=this.D;break;case 1:c=S(this,this.H+this.J);this.C=this.D;break;case 2:c=Qf(this,this.P+this.K);this.C=this.D;break;case 3:c=Qf(this,this.P+this.J);this.C=this.D;break;case 4:c=S(this,this.K);this.C=this.D;break;case 5:c=S(this,this.J);this.C=this.D;break;case 6:c=S(this,T(this));this.C=this.D;break;case 7:c=S(this,this.H);this.C=this.D;break;case 64:c=S(this,this.H+this.K+this.T());this.C=this.D;break; +case 65:c=S(this,this.H+this.J+this.T());this.C=this.D;break;case 66:c=Qf(this,this.P+this.K+this.T());this.C=this.D;break;case 67:c=Qf(this,this.P+this.J+this.T());this.C=this.D;break;case 68:c=S(this,this.K+this.T());this.C=this.D;break;case 69:c=S(this,this.J+this.T());this.C=this.D;break;case 70:c=Qf(this,this.P+this.T());this.C=this.D;break;case 71:c=S(this,this.H+this.T());this.C=this.D;break;case 128:c=S(this,this.H+this.K+T(this));this.C=this.D;break;case 129:c=S(this,this.H+this.J+T(this)); +this.C=this.D;break;case 130:c=Qf(this,this.P+this.K+T(this));this.C=this.D;break;case 131:c=Qf(this,this.P+this.J+T(this));this.C=this.D;break;case 132:c=S(this,this.K+T(this));this.C=this.D;break;case 133:c=S(this,this.J+T(this));this.C=this.D;break;case 134:c=Qf(this,this.P+T(this));this.C=this.D;break;case 135:c=S(this,this.H+T(this));this.C=this.D;break;case 192:c=this.G;break;case 193:c=this.I;break;case 194:c=this.M;break;case 195:c=this.H;break;case 196:c=I(this);break;case 197:c=this.P;break; +case 198:c=this.K;break;case 199:c=this.J}c=a[this.L>>3&7].call(this,c,b.call(this));switch(d){case 0:case 3:Tf(this,c);this.A-=this.B.ed;break;case 1:case 2:Tf(this,c);this.A-=this.B.fd;break;case 4:case 5:case 7:Tf(this,c);this.A-=this.B.Jc;break;case 6:Tf(this,c);this.A-=this.B.Ld;break;case 64:case 67:case 128:case 131:Tf(this,c);this.A-=this.B.ec;break;case 65:case 66:case 129:case 130:Tf(this,c);this.A-=this.B.fc;break;case 68:case 69:case 70:case 71:case 132:case 133:case 134:case 135:Tf(this, +c);this.A-=this.B.ib;break;case 192:this.G=c;break;case 193:this.I=c;break;case 194:this.M=c;break;case 195:this.H=c;break;case 196:G(this,c);break;case 197:this.P=c;break;case 198:this.K=c;break;case 199:this.J=c}} +function Le(a){var b,c;switch((this.L=this.xa())&199){case 0:c=Q(this,this.G);break;case 1:c=Q(this,this.I);break;case 2:c=Q(this,this.M);break;case 3:c=Q(this,this.H);break;case 4:c=Q(this,Ej.call(this,0));break;case 5:c=Q(this,T(this));break;case 6:c=Q(this,this.K);break;case 7:c=Q(this,this.J);break;case 64:c=Q(this,this.G+this.T());break;case 65:c=Q(this,this.I+this.T());break;case 66:c=Q(this,this.M+this.T());break;case 67:c=Q(this,this.H+this.T());break;case 68:c=Q(this,Ej.call(this,1)+this.T()); +break;case 69:c=Nf(this,this.P+this.T());break;case 70:c=Q(this,this.K+this.T());break;case 71:c=Q(this,this.J+this.T());break;case 128:c=Q(this,this.G+T(this));break;case 129:c=Q(this,this.I+T(this));break;case 130:c=Q(this,this.M+T(this));break;case 131:c=Q(this,this.H+T(this));break;case 132:c=Q(this,Ej.call(this,2)+T(this));break;case 133:c=Nf(this,this.P+T(this));break;case 134:c=Q(this,this.K+T(this));break;case 135:c=Q(this,this.J+T(this));break;case 192:c=this.G&255;break;case 193:c=this.I& +255;break;case 194:c=this.M&255;break;case 195:c=this.H&255;break;case 196:c=this.G>>8&255;break;case 197:c=this.I>>8&255;break;case 198:c=this.M>>8&255;break;case 199:c=this.H>>8&255;break;default:c=0}var d=this.L>>3&7;switch(d){case 0:b=this.G&255;break;case 1:b=this.I&255;break;case 2:b=this.M&255;break;case 3:b=this.H&255;break;case 4:b=this.G>>8&255;break;case 5:b=this.I>>8&255;break;case 6:b=this.M>>8&255;break;case 7:b=this.H>>8&255;break;default:b=0}a=a.call(this,b,c);switch(d){case 0:this.G= +this.G&-256|a;break;case 1:this.I=this.I&-256|a;break;case 2:this.M=this.M&-256|a;break;case 3:this.H=this.H&-256|a;break;case 4:this.G=this.G&-65281|a<<8;break;case 5:this.I=this.I&-65281|a<<8;break;case 6:this.M=this.M&-65281|a<<8;break;case 7:this.H=this.H&-65281|a<<8}} +function Me(a){var b,c,d=(this.L=this.xa())&199;switch(d){case 0:b=Q(this,this.G);this.C=this.D;break;case 1:b=Q(this,this.I);this.C=this.D;break;case 2:b=Q(this,this.M);this.C=this.D;break;case 3:b=Q(this,this.H);this.C=this.D;break;case 4:b=Q(this,Ej.call(this,0));this.C=this.D;break;case 5:b=Q(this,T(this));this.C=this.D;break;case 6:b=Q(this,this.K);this.C=this.D;break;case 7:b=Q(this,this.J);this.C=this.D;break;case 64:b=Q(this,this.G+this.T());this.C=this.D;break;case 65:b=Q(this,this.I+this.T()); +this.C=this.D;break;case 66:b=Q(this,this.M+this.T());this.C=this.D;break;case 67:b=Q(this,this.H+this.T());this.C=this.D;break;case 68:b=Q(this,Ej.call(this,1)+this.T());this.C=this.D;break;case 69:b=Nf(this,this.P+this.T());this.C=this.D;break;case 70:b=Q(this,this.K+this.T());this.C=this.D;break;case 71:b=Q(this,this.J+this.T());this.C=this.D;break;case 128:b=Q(this,this.G+T(this));this.C=this.D;break;case 129:b=Q(this,this.I+T(this));this.C=this.D;break;case 130:b=Q(this,this.M+T(this));this.C= +this.D;break;case 131:b=Q(this,this.H+T(this));this.C=this.D;break;case 132:b=Q(this,Ej.call(this,2)+T(this));this.C=this.D;break;case 133:b=Nf(this,this.P+T(this));this.C=this.D;break;case 134:b=Q(this,this.K+T(this));this.C=this.D;break;case 135:b=Q(this,this.J+T(this));this.C=this.D;break;case 192:b=this.G&255;break;case 193:b=this.I&255;break;case 194:b=this.M&255;break;case 195:b=this.H&255;break;case 196:b=this.G>>8&255;break;case 197:b=this.I>>8&255;break;case 198:b=this.M>>8&255;break;case 199:b= +this.H>>8&255;break;default:b=0}switch(this.L>>3&7){case 0:c=this.G&255;break;case 1:c=this.I&255;break;case 2:c=this.M&255;break;case 3:c=this.H&255;break;case 4:c=this.G>>8&255;break;case 5:c=this.I>>8&255;break;case 6:c=this.M>>8&255;break;case 7:c=this.H>>8&255;break;default:c=0}a=a.call(this,b,c);switch(d){case 192:this.G=this.G&-256|a;break;case 193:this.I=this.I&-256|a;break;case 194:this.M=this.M&-256|a;break;case 195:this.H=this.H&-256|a;break;case 196:this.G=this.G&-65281|a<<8;break;case 197:this.I= +this.I&-65281|a<<8;break;case 198:this.M=this.M&-65281|a<<8;break;case 199:this.H=this.H&-65281|a<<8;break;default:Rf(this,a)}} +function Ne(a,b){var c,d=(this.L=this.xa())&199;switch(d){case 0:c=Q(this,this.G);this.C=this.D;break;case 1:c=Q(this,this.I);this.C=this.D;break;case 2:c=Q(this,this.M);this.C=this.D;break;case 3:c=Q(this,this.H);this.C=this.D;break;case 4:c=Q(this,Ej.call(this,0));this.C=this.D;break;case 5:c=Q(this,T(this));this.C=this.D;break;case 6:c=Q(this,this.K);this.C=this.D;break;case 7:c=Q(this,this.J);this.C=this.D;break;case 64:c=Q(this,this.G+this.T());this.C=this.D;break;case 65:c=Q(this,this.I+this.T()); +this.C=this.D;break;case 66:c=Q(this,this.M+this.T());this.C=this.D;break;case 67:c=Q(this,this.H+this.T());this.C=this.D;break;case 68:c=Q(this,Ej.call(this,1)+this.T());this.C=this.D;break;case 69:c=Nf(this,this.P+this.T());this.C=this.D;break;case 70:c=Q(this,this.K+this.T());this.C=this.D;break;case 71:c=Q(this,this.J+this.T());this.C=this.D;break;case 128:c=Q(this,this.G+T(this));this.C=this.D;break;case 129:c=Q(this,this.I+T(this));this.C=this.D;break;case 130:c=Q(this,this.M+T(this));this.C= +this.D;break;case 131:c=Q(this,this.H+T(this));this.C=this.D;break;case 132:c=Q(this,Ej.call(this,2)+T(this));this.C=this.D;break;case 133:c=Nf(this,this.P+T(this));this.C=this.D;break;case 134:c=Q(this,this.K+T(this));this.C=this.D;break;case 135:c=Q(this,this.J+T(this));this.C=this.D;break;case 192:c=this.G&255;break;case 193:c=this.I&255;break;case 194:c=this.M&255;break;case 195:c=this.H&255;break;case 196:c=this.G>>8&255;break;case 197:c=this.I>>8&255;break;case 198:c=this.M>>8&255;break;case 199:c= +this.H>>8&255;break;default:c=0}c=a[this.L>>3&7].call(this,c,b.call(this));switch(d){case 192:this.G=this.G&-256|c;break;case 193:this.I=this.I&-256|c;break;case 194:this.M=this.M&-256|c;break;case 195:this.H=this.H&-256|c;break;case 196:this.G=this.G&-65281|c<<8;break;case 197:this.I=this.I&-65281|c<<8;break;case 198:this.M=this.M&-65281|c<<8;break;case 199:this.H=this.H&-65281|c<<8;break;default:Rf(this,c)}} +function Oe(a){var b,c;switch((this.L=this.xa())&199){case 0:c=R(this,this.G);break;case 1:c=R(this,this.I);break;case 2:c=R(this,this.M);break;case 3:c=R(this,this.H);break;case 4:c=R(this,Ej.call(this,0));break;case 5:c=R(this,T(this));break;case 6:c=R(this,this.K);break;case 7:c=R(this,this.J);break;case 64:c=R(this,this.G+this.T());break;case 65:c=R(this,this.I+this.T());break;case 66:c=R(this,this.M+this.T());break;case 67:c=R(this,this.H+this.T());break;case 68:c=R(this,Ej.call(this,1)+this.T()); +break;case 69:c=Pf(this,this.P+this.T());break;case 70:c=R(this,this.K+this.T());break;case 71:c=R(this,this.J+this.T());break;case 128:c=R(this,this.G+T(this));break;case 129:c=R(this,this.I+T(this));break;case 130:c=R(this,this.M+T(this));break;case 131:c=R(this,this.H+T(this));break;case 132:c=R(this,Ej.call(this,2)+T(this));break;case 133:c=Pf(this,this.P+T(this));break;case 134:c=R(this,this.K+T(this));break;case 135:c=R(this,this.J+T(this));break;case 192:c=this.G&65535;break;case 193:c=this.I& +65535;break;case 194:c=this.M&65535;break;case 195:c=this.H&65535;break;case 196:c=I(this)&65535;break;case 197:c=this.P&65535;break;case 198:c=this.K&65535;break;case 199:c=this.J&65535;break;default:c=0}var d=this.L>>3&7;switch(d){case 0:b=this.G&65535;break;case 1:b=this.I&65535;break;case 2:b=this.M&65535;break;case 3:b=this.H&65535;break;case 4:b=I(this)&65535;break;case 5:b=this.P&65535;break;case 6:b=this.K&65535;break;case 7:b=this.J&65535;break;default:b=0}a=a.call(this,b,c);switch(d){case 0:this.G= +this.G&-65536|a;break;case 1:this.I=this.I&-65536|a;break;case 2:this.M=this.M&-65536|a;break;case 3:this.H=this.H&-65536|a;break;case 4:G(this,I(this)&-65536|a);break;case 5:this.P=this.P&-65536|a;break;case 6:this.K=this.K&-65536|a;break;case 7:this.J=this.J&-65536|a}} +function Pe(a){var b,c,d=(this.L=this.xa())&199;switch(d){case 0:b=R(this,this.G);this.C=this.D;break;case 1:b=R(this,this.I);this.C=this.D;break;case 2:b=R(this,this.M);this.C=this.D;break;case 3:b=R(this,this.H);this.C=this.D;break;case 4:b=R(this,Ej.call(this,0));this.C=this.D;break;case 5:b=R(this,T(this));this.C=this.D;break;case 6:b=R(this,this.K);this.C=this.D;break;case 7:b=R(this,this.J);this.C=this.D;break;case 64:b=R(this,this.G+this.T());this.C=this.D;break;case 65:b=R(this,this.I+this.T()); +this.C=this.D;break;case 66:b=R(this,this.M+this.T());this.C=this.D;break;case 67:b=R(this,this.H+this.T());this.C=this.D;break;case 68:b=R(this,Ej.call(this,1)+this.T());this.C=this.D;break;case 69:b=Pf(this,this.P+this.T());this.C=this.D;break;case 70:b=R(this,this.K+this.T());this.C=this.D;break;case 71:b=R(this,this.J+this.T());this.C=this.D;break;case 128:b=R(this,this.G+T(this));this.C=this.D;break;case 129:b=R(this,this.I+T(this));this.C=this.D;break;case 130:b=R(this,this.M+T(this));this.C= +this.D;break;case 131:b=R(this,this.H+T(this));this.C=this.D;break;case 132:b=R(this,Ej.call(this,2)+T(this));this.C=this.D;break;case 133:b=Pf(this,this.P+T(this));this.C=this.D;break;case 134:b=R(this,this.K+T(this));this.C=this.D;break;case 135:b=R(this,this.J+T(this));this.C=this.D;break;case 192:b=this.G&65535;break;case 193:b=this.I&65535;break;case 194:b=this.M&65535;break;case 195:b=this.H&65535;break;case 196:b=I(this)&65535;break;case 197:b=this.P&65535;break;case 198:b=this.K&65535;break; +case 199:b=this.J&65535;break;default:b=0}switch(this.L>>3&7){case 0:c=this.G&65535;break;case 1:c=this.I&65535;break;case 2:c=this.M&65535;break;case 3:c=this.H&65535;break;case 4:c=I(this)&65535;break;case 5:c=this.P&65535;break;case 6:c=this.K&65535;break;case 7:c=this.J&65535;break;default:c=0}a=a.call(this,b,c);switch(d){case 192:this.G=this.G&-65536|a;break;case 193:this.I=this.I&-65536|a;break;case 194:this.M=this.M&-65536|a;break;case 195:this.H=this.H&-65536|a;break;case 196:G(this,I(this)& +-65536|a);break;case 197:this.P=this.P&-65536|a;break;case 198:this.K=this.K&-65536|a;break;case 199:this.J=this.J&-65536|a;break;default:Sf(this,a)}} +function Qe(a,b){var c,d=(this.L=this.xa())&199;switch(d){case 0:c=R(this,this.G);this.C=this.D;break;case 1:c=R(this,this.I);this.C=this.D;break;case 2:c=R(this,this.M);this.C=this.D;break;case 3:c=R(this,this.H);this.C=this.D;break;case 4:c=R(this,Ej.call(this,0));this.C=this.D;break;case 5:c=R(this,T(this));this.C=this.D;break;case 6:c=R(this,this.K);this.C=this.D;break;case 7:c=R(this,this.J);this.C=this.D;break;case 64:c=R(this,this.G+this.T());this.C=this.D;break;case 65:c=R(this,this.I+this.T()); +this.C=this.D;break;case 66:c=R(this,this.M+this.T());this.C=this.D;break;case 67:c=R(this,this.H+this.T());this.C=this.D;break;case 68:c=R(this,Ej.call(this,1)+this.T());this.C=this.D;break;case 69:c=Pf(this,this.P+this.T());this.C=this.D;break;case 70:c=R(this,this.K+this.T());this.C=this.D;break;case 71:c=R(this,this.J+this.T());this.C=this.D;break;case 128:c=R(this,this.G+T(this));this.C=this.D;break;case 129:c=R(this,this.I+T(this));this.C=this.D;break;case 130:c=R(this,this.M+T(this));this.C= +this.D;break;case 131:c=R(this,this.H+T(this));this.C=this.D;break;case 132:c=R(this,Ej.call(this,2)+T(this));this.C=this.D;break;case 133:c=Pf(this,this.P+T(this));this.C=this.D;break;case 134:c=R(this,this.K+T(this));this.C=this.D;break;case 135:c=R(this,this.J+T(this));this.C=this.D;break;case 192:c=this.G&65535;break;case 193:c=this.I&65535;break;case 194:c=this.M&65535;break;case 195:c=this.H&65535;break;case 196:c=I(this)&65535;break;case 197:c=this.P&65535;break;case 198:c=this.K&65535;break; +case 199:c=this.J&65535;break;default:c=0}c=a[this.L>>3&7].call(this,c,b.call(this));switch(d){case 192:this.G=this.G&-65536|c;break;case 193:this.I=this.I&-65536|c;break;case 194:this.M=this.M&-65536|c;break;case 195:this.H=this.H&-65536|c;break;case 196:G(this,I(this)&-65536|c);break;case 197:this.P=this.P&-65536|c;break;case 198:this.K=this.K&-65536|c;break;case 199:this.J=this.J&-65536|c;break;default:Sf(this,c)}} +function Re(a){var b,c;switch((this.L=this.xa())&199){case 0:c=S(this,this.G);break;case 1:c=S(this,this.I);break;case 2:c=S(this,this.M);break;case 3:c=S(this,this.H);break;case 4:c=S(this,Ej.call(this,0));break;case 5:c=S(this,T(this));break;case 6:c=S(this,this.K);break;case 7:c=S(this,this.J);break;case 64:c=S(this,this.G+this.T());break;case 65:c=S(this,this.I+this.T());break;case 66:c=S(this,this.M+this.T());break;case 67:c=S(this,this.H+this.T());break;case 68:c=S(this,Ej.call(this,1)+this.T()); +break;case 69:c=Qf(this,this.P+this.T());break;case 70:c=S(this,this.K+this.T());break;case 71:c=S(this,this.J+this.T());break;case 128:c=S(this,this.G+T(this));break;case 129:c=S(this,this.I+T(this));break;case 130:c=S(this,this.M+T(this));break;case 131:c=S(this,this.H+T(this));break;case 132:c=S(this,Ej.call(this,2)+T(this));break;case 133:c=Qf(this,this.P+T(this));break;case 134:c=S(this,this.K+T(this));break;case 135:c=S(this,this.J+T(this));break;case 192:c=this.G;break;case 193:c=this.I;break; +case 194:c=this.M;break;case 195:c=this.H;break;case 196:c=I(this);break;case 197:c=this.P;break;case 198:c=this.K;break;case 199:c=this.J;break;default:c=0}var d=this.L>>3&7;switch(d){case 0:b=this.G;break;case 1:b=this.I;break;case 2:b=this.M;break;case 3:b=this.H;break;case 4:b=I(this);break;case 5:b=this.P;break;case 6:b=this.K;break;case 7:b=this.J;break;default:b=0}a=a.call(this,b,c);switch(d){case 0:this.G=a;break;case 1:this.I=a;break;case 2:this.M=a;break;case 3:this.H=a;break;case 4:G(this, +a);break;case 5:this.P=a;break;case 6:this.K=a;break;case 7:this.J=a}} +function Se(a){var b,c,d=(this.L=this.xa())&199;switch(d){case 0:b=S(this,this.G);this.C=this.D;break;case 1:b=S(this,this.I);this.C=this.D;break;case 2:b=S(this,this.M);this.C=this.D;break;case 3:b=S(this,this.H);this.C=this.D;break;case 4:b=S(this,Ej.call(this,0));this.C=this.D;break;case 5:b=S(this,T(this));this.C=this.D;break;case 6:b=S(this,this.K);this.C=this.D;break;case 7:b=S(this,this.J);this.C=this.D;break;case 64:b=S(this,this.G+this.T());this.C=this.D;break;case 65:b=S(this,this.I+this.T()); +this.C=this.D;break;case 66:b=S(this,this.M+this.T());this.C=this.D;break;case 67:b=S(this,this.H+this.T());this.C=this.D;break;case 68:b=S(this,Ej.call(this,1)+this.T());this.C=this.D;break;case 69:b=Qf(this,this.P+this.T());this.C=this.D;break;case 70:b=S(this,this.K+this.T());this.C=this.D;break;case 71:b=S(this,this.J+this.T());this.C=this.D;break;case 128:b=S(this,this.G+T(this));this.C=this.D;break;case 129:b=S(this,this.I+T(this));this.C=this.D;break;case 130:b=S(this,this.M+T(this));this.C= +this.D;break;case 131:b=S(this,this.H+T(this));this.C=this.D;break;case 132:b=S(this,Ej.call(this,2)+T(this));this.C=this.D;break;case 133:b=Qf(this,this.P+T(this));this.C=this.D;break;case 134:b=S(this,this.K+T(this));this.C=this.D;break;case 135:b=S(this,this.J+T(this));this.C=this.D;break;case 192:b=this.G;break;case 193:b=this.I;break;case 194:b=this.M;break;case 195:b=this.H;break;case 196:b=I(this);break;case 197:b=this.P;break;case 198:b=this.K;break;case 199:b=this.J;break;default:b=0}switch(this.L>> +3&7){case 0:c=this.G;break;case 1:c=this.I;break;case 2:c=this.M;break;case 3:c=this.H;break;case 4:c=I(this);break;case 5:c=this.P;break;case 6:c=this.K;break;case 7:c=this.J;break;default:c=0}a=a.call(this,b,c);switch(d){case 192:this.G=a;break;case 193:this.I=a;break;case 194:this.M=a;break;case 195:this.H=a;break;case 196:G(this,a);break;case 197:this.P=a;break;case 198:this.K=a;break;case 199:this.J=a;break;default:Tf(this,a)}} +function Te(a,b){var c,d=(this.L=this.xa())&199;switch(d){case 0:c=S(this,this.G);this.C=this.D;break;case 1:c=S(this,this.I);this.C=this.D;break;case 2:c=S(this,this.M);this.C=this.D;break;case 3:c=S(this,this.H);this.C=this.D;break;case 4:c=S(this,Ej.call(this,0));this.C=this.D;break;case 5:c=S(this,T(this));this.C=this.D;break;case 6:c=S(this,this.K);this.C=this.D;break;case 7:c=S(this,this.J);this.C=this.D;break;case 64:c=S(this,this.G+this.T());this.C=this.D;break;case 65:c=S(this,this.I+this.T()); +this.C=this.D;break;case 66:c=S(this,this.M+this.T());this.C=this.D;break;case 67:c=S(this,this.H+this.T());this.C=this.D;break;case 68:c=S(this,Ej.call(this,1)+this.T());this.C=this.D;break;case 69:c=Qf(this,this.P+this.T());this.C=this.D;break;case 70:c=S(this,this.K+this.T());this.C=this.D;break;case 71:c=S(this,this.J+this.T());this.C=this.D;break;case 128:c=S(this,this.G+T(this));this.C=this.D;break;case 129:c=S(this,this.I+T(this));this.C=this.D;break;case 130:c=S(this,this.M+T(this));this.C= +this.D;break;case 131:c=S(this,this.H+T(this));this.C=this.D;break;case 132:c=S(this,Ej.call(this,2)+T(this));this.C=this.D;break;case 133:c=Qf(this,this.P+T(this));this.C=this.D;break;case 134:c=S(this,this.K+T(this));this.C=this.D;break;case 135:c=S(this,this.J+T(this));this.C=this.D;break;case 192:c=this.G;break;case 193:c=this.I;break;case 194:c=this.M;break;case 195:c=this.H;break;case 196:c=I(this);break;case 197:c=this.P;break;case 198:c=this.K;break;case 199:c=this.J;break;default:c=0}c=a[this.L>> +3&7].call(this,c,b.call(this));switch(d){case 192:this.G=c;break;case 193:this.I=c;break;case 194:this.M=c;break;case 195:this.H=c;break;case 196:G(this,c);break;case 197:this.P=c;break;case 198:this.K=c;break;case 199:this.J=c;break;default:Tf(this,c)}} +function Ej(a){var b=this.xa(),c=b>>6,d,e;switch(b>>3&7){case 0:d=this.G;break;case 1:d=this.I;break;case 2:d=this.M;break;case 3:d=this.H;break;case 4:d=0;break;case 5:d=this.P;break;case 6:d=this.K;break;case 7:d=this.J}switch(b&7){case 0:e=this.G;break;case 1:e=this.I;break;case 2:e=this.M;break;case 3:e=this.H;break;case 4:e=I(this);this.ka=this.Ka;break;case 5:a?(e=this.P,this.ka=this.Ka):e=T(this);break;case 6:e=this.K;break;case 7:e=this.J}return(d<>8&255;9<(c&15)||uf(this)?(c+=6,80286<=this.ja&&255>8&255;9<(c&15)||uf(this)?(c=c-6&15,d=d-1&255,a=b=1):a=b=0;this.G=this.G&-65536|d<<8|c;a?zf(this):Af(this);b?Hf(this):Ff(this);this.A-=this.B.He},function(){this.G=rj.call(this,this.G)},function(){this.I=rj.call(this,this.I)},function(){this.M=rj.call(this,this.M)},function(){this.H=rj.call(this,this.H)},function(){G(this,rj.call(this, +I(this)))},function(){this.P=rj.call(this,this.P)},function(){this.K=rj.call(this,this.K)},function(){this.J=rj.call(this,this.J)},function(){this.G=pj.call(this,this.G)},function(){this.I=pj.call(this,this.I)},function(){this.M=pj.call(this,this.M)},function(){this.H=pj.call(this,this.H)},function(){G(this,pj.call(this,I(this)))},function(){this.P=pj.call(this,this.P)},function(){this.K=pj.call(this,this.K)},function(){this.J=pj.call(this,this.J)},function(){J(this,this.G&this.R);this.A-=this.B.Sc}, +function(){J(this,this.I&this.R);this.A-=this.B.Sc},function(){J(this,this.M&this.R);this.A-=this.B.Sc},function(){J(this,this.H&this.R);this.A-=this.B.Sc},function(){J(this,I(this)-2&65535);this.A-=this.B.Sc},function(){J(this,this.P&this.R);this.A-=this.B.Sc},function(){J(this,this.K&this.R);this.A-=this.B.Sc},function(){J(this,this.J&this.R);this.A-=this.B.Sc},function(){this.G=this.G&~this.R|D(this);this.A-=this.B.zc},function(){this.I=this.I&~this.R|D(this);this.A-=this.B.zc},function(){this.M= 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1:a=this.I;this.I=this.aa;nf(this,a);break; +case 2:a=this.M;this.M=this.aa;md(this,a);break;case 3:a=this.H;this.H=this.aa;xd(this,a);break;case 4:a=I(this);G(this,this.aa);80386<=this.ja?this.Nb.load(a):yd(this,a);break;case 5:a=this.P;this.P=this.aa;80386<=this.ja?this.Ob.load(a):nf(this,a);break;case 6:a=this.K;this.K=this.aa;md(this,a);break;case 7:a=this.J,this.J=this.aa,xd(this,a)}},function(){this.S|=1;this.U=this.fa;this.aa=D(this);this.ya.call(this,lk,yj);this.U=-1},function(){this.A-=3},function(){var a=this.G;this.G=this.G&~this.R| +this.I&this.R;this.I=this.I&~this.R|a&this.R;this.A-=3},function(){var a=this.G;this.G=this.G&~this.R|this.M&this.R;this.M=this.M&~this.R|a&this.R;this.A-=3},function(){var a=this.G;this.G=this.G&~this.R|this.H&this.R;this.H=this.H&~this.R|a&this.R;this.A-=3},function(){var a=this.G,b=I(this);this.G=this.G&~this.R|b&this.R;G(this,b&~this.R|a&this.R);this.A-=3},function(){var a=this.G;this.G=this.G&~this.R|this.P&this.R;this.P=this.P&~this.R|a&this.R;this.A-=3},function(){var a=this.G;this.G=this.G& +~this.R|this.K&this.R;this.K=this.K&~this.R|a&this.R;this.A-=3},function(){var a=this.G;this.G=this.G&~this.R|this.J&this.R;this.J=this.J&~this.R|a&this.R;this.A-=3},function(){this.G=2==this.ba?this.G&-65536|this.G<<24>>24&65535:this.G<<16>>16;this.A-=2},function(){this.M=2==this.ba?this.M&-65536|(this.G&32768?65535:0):this.G&-2147483648?-1:0;this.A-=this.B.gj},function(){zj.call(this,this.Ma(),Uf(this));this.A-=this.B.jj},function(){this.A-=3},function(){var a=zd(this);a&131072&&3>this.Pa?C.call(this, +13,0):(J(this,a&-196609),this.A-=this.B.Sc)},function(){if(this.ca&131072&&3>this.Pa)C.call(this,13,0);else{var a=D(this),a=a&65535|this.ca&-65536;Ad(this,a);this.A-=this.B.zc}},function(){var a=this.G>>8&255;a&1?zf(this):Af(this);a&4?(this.resultType&=-3,this.ca|=4):(this.resultType&=-3,this.ca&=-5);a&16?Hf(this):Ff(this);a&64?If(this):Gf(this);a&128?(this.resultType&=-17,this.ca|=128):(this.resultType&=-17,this.ca&=-129);this.A-=this.B.gc},function(){this.G=this.G&-65281|(zd(this)&213)<<8;this.A-= +this.B.gc},function(){var a=this.G&-256,b;b=T(this);b=this.Qa(this.ka.mc(b,1));this.G=a|b;this.A-=this.B.Lh},function(){this.G=this.G&~this.R|vd(this,this.ka,T(this));this.A-=this.B.Lh},function(){var a=T(this),b=this.G;this.qc(this.ka.nc(a,1),b);this.A-=this.B.Mh},function(){var a=T(this),b=this.G;this.rc(this.ka.nc(a,this.ba),b);this.A-=this.B.Mh},function(){var a=1,b=0,c=this.Ba,d=this.B.Nh;this.Ia&192&&(a=this.I&c,b=1,d=this.B.Ph,this.Ia&256||(this.A-=this.B.Oh));if(a--){var e=this.Qa(this.ka.mc(this.K& +c,1));this.qc(this.Xa.nc(this.J&c,1),e);e=this.ca&1024?-1:1;this.K=this.K&~c|this.K+e&c;this.J=this.J&~c|this.J+e&c;this.A-=d;this.I=this.I&~c|this.I-b&c;a&&(qf(this),this.S|=256)}},function(){var a=1,b=0,c=this.Ba,d=this.B.Nh;this.Ia&192&&(a=this.I&c,b=1,d=this.B.Ph,this.Ia&256||(this.A-=this.B.Oh));if(a--){var e=vd(this,this.ka,this.K&c);this.rc(this.Xa.nc(this.J&c,this.ba),e);e=this.ca&1024?-this.ba:this.ba;this.K=this.K&~c|this.K+e&c;this.J=this.J&~c|this.J+e&c;this.A-=d;this.I=this.I&~c|this.I- +b&c;a&&(qf(this),this.S|=256)}},function(){var a=1,b=0,c=this.Ba,d=this.B.yh;this.Ia&192&&(a=this.I&c,b=1,d=this.B.Ah,this.Ia&256||(this.A-=this.B.zh));if(a--){var e=Mf(this,this.ka,this.K),f=Mf(this,this.Xa,this.J);this.C=this.D;Mh.call(this,e,f);e=this.ca&1024?-1:1;this.K=this.K&~c|this.K+e&c;this.J=this.J&~c|this.J+e&c;this.I=this.I&~c|this.I-b&c;this.A-=d-this.B.Vb;a&&vf(this)==(this.Ia&64)&&(qf(this),this.S|=256)}},function(){var a=1,b=0,c=this.Ba,d=this.B.yh;this.Ia&192&&(a=this.I&c,b=1,d=this.B.Ah, +this.Ia&256||(this.A-=this.B.zh));if(a--){var e=Of(this,this.ka,this.K&c),f=Of(this,this.Xa,this.J&c);this.C=this.D;Nh.call(this,e,f);e=this.ca&1024?-this.ba:this.ba;this.K=this.K&~c|this.K+e&c;this.J=this.J&~c|this.J+e&c;this.I=this.I&~c|this.I-b&c;this.A-=d-this.B.Vb;a&&vf(this)==(this.Ia&64)&&(qf(this),this.S|=256)}},function(){yf(this,this.G&this.xa(),128);this.A-=this.B.He},function(){yf(this,this.G&this.Ma(),this.Ga);this.A-=this.B.He},function(){var a=1,b=0,c=this.Ba,d=this.B.Yh;this.Ia&192&& +(a=this.I&c,b=1,d=this.B.$h,this.Ia&256||(this.A-=this.B.Zh));if(a--){var e=this.G;this.qc(this.Xa.nc(this.J&c,1),e);this.I=this.I&~c|this.I-b&c;80546<=this.Uc&&80564>=this.Uc&&!(this.Ia&2048)!=(103!=this.Qa(this.Ha))&&(c^=-65536);this.J=this.J&~c|this.J+(this.ca&1024?-1:1)&c;this.A-=d;a&&(qf(this),this.S|=256)}},function(){var a=1,b=0,c=this.Ba,d=this.B.Yh;this.Ia&192&&(a=this.I&c,b=1,d=this.B.$h,this.Ia&256||(this.A-=this.B.Zh));if(a--){var e=this.G;this.rc(this.Xa.nc(this.J&c,this.ba),e);this.J= +this.J&~c|this.J+(this.ca&1024?-this.ba:this.ba)&c;this.I=this.I&~c|this.I-b&c;this.A-=d;a&&(qf(this),this.S|=256)}},function(){var a=1,b=0,c=this.Ba,d=this.B.Fh;this.Ia&192&&(a=this.I&c,b=1,d=this.B.Hh,this.Ia&256||(this.A-=this.B.Gh));if(a--){var e=this.Qa(this.ka.mc(this.K&c,1));this.G=this.G&-256|e;this.K=this.K&~c|this.K+(this.ca&1024?-1:1)&c;this.I=this.I&~c|this.I-b&c;this.A-=d;a&&(qf(this),this.S|=256)}},function(){var a=1,b=0,c=this.Ba,d=this.B.Fh;this.Ia&192&&(a=this.I&c,b=1,d=this.B.Hh, +this.Ia&256||(this.A-=this.B.Gh));if(a--){var e=vd(this,this.ka,this.K&c);this.G=this.G&~this.R|e;this.K=this.K&~c|this.K+(this.ca&1024?-this.ba:this.ba)&c;this.I=this.I&~c|this.I-b&c;this.A-=d;a&&(qf(this),this.S|=256)}},function(){var a=1,b=0,c=this.Ba,d=this.B.Sh;this.Ia&192&&(a=this.I&c,b=1,d=this.B.Uh,this.Ia&256||(this.A-=this.B.Th));if(a--){var e=this.G&255,f=Mf(this,this.Xa,this.J);this.C=this.D;Mh.call(this,e,f);this.J=this.J&~c|this.J+(this.ca&1024?-1:1)&c;this.I=this.I&~c|this.I-b&c;this.A-= +d-this.B.Vb;a&&vf(this)==(this.Ia&64)&&(qf(this),this.S|=256)}},function(){var a=1,b=0,c=this.Ba,d=this.B.Sh;this.Ia&192&&(a=this.I&c,b=1,d=this.B.Uh,this.Ia&256||(this.A-=this.B.Th));if(a--){var e=this.G&this.R,f=Of(this,this.Xa,this.J&c);this.C=this.D;Nh.call(this,e,f);this.J=this.J&~c|this.J+(this.ca&1024?-this.ba:this.ba)&c;this.I=this.I&~c|this.I-b&c;this.A-=d-this.B.Vb;a&&vf(this)==(this.Ia&64)&&(qf(this),this.S|=256)}},function(){this.G=this.G&-256|this.xa();this.A-=this.B.gc},function(){this.I= 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b=(this.G<<24>>24)*(a<<24>>24)|0;this.ia=b&65535;127b?(zf(this),Bf(this)):(Af(this),Cf(this));this.cb=!0;this.A-=-1===this.D?this.B.vj:this.B.uj;this.S|=2;return a},function(a,b){if(!a)return Dj.call(this),a;var c=(b=this.G&65535)/a;if(255>24,d=(b=this.G<<16>>16)/c|0;if(d!=d<<24>>24||8086==this.ja&&-128==d)return Dj.call(this),a;this.ia=d&255|(b%c&255)<<8;this.cb=!0;this.A-=-1===this.D?this.B.rj:this.B.qj;this.S|=2;return a}],pk=[function(a,b){b=this.Ma();yf(this,a&b,this.Ga);this.A-=-1===this.D?this.B.bi:this.B.ai;this.S|=2;return a},Qh,function(a){this.A-=-1===this.D?this.B.Tf:this.B.Sf;return a^this.R},function(a){var b=-a|0;rf(this,0,a,b,this.Ga| +63,!0);this.A-=-1===this.D?this.B.Tf:this.B.Sf;return b&this.R},function(a,b){if(2==this.ba){b=this.G&65535;var c=b*a|0;this.ia=c&65535;this.wa=c>>16&65535}else 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    Timeline

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