First stab at factoring some common Debugger functionality into a shared component

modules/pc6502/lib/bus.js

@@ -68,7 +68,7 @@ if (NODE) {
  * @extends Component
  * @param {Object} parmsBus
  * @param {CPUState} cpu
- * @param {Debugger} dbg
+ * @param {Debugger6502} dbg
  */
 function Bus(parmsBus, cpu, dbg)
 {

modules/pc6502/lib/computer.js

@@ -152,7 +152,7 @@ function Computer(parmsComputer, parmsMachine, fSuspended) {
         Component.error("Unable to find CPU component");
         return;
     }
-    this.dbg = /** @type {Debugger} */ (Component.getComponentByType("Debugger", this.id));
+    this.dbg = /** @type {Debugger6502} */ (Component.getComponentByType("Debugger", this.id));
 
     /*
      * Enumerate all Video components for future updateVideo() calls.

modules/pc6502/lib/cpu.js

@@ -160,7 +160,7 @@ CPU.BUTTONS = ["power", "reset"];
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {CPU} cpu
- * @param {Debugger} dbg
+ * @param {Debugger6502} dbg
  */
 CPU.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pc6502/lib/defines.js

@@ -34,7 +34,12 @@
 /**
  * @define {string}
  */
-var APPCLASS = "pc8080";       // this @define is the default application class (formerly APPCLASS) to use
+var APPCLASS = "pc6502";        // this @define is the default application class (eg, "pcx86", "c1pjs")
+
+/**
+ * @define {string}
+ */
+var APPNAME = "PC6502";         // this @define is the default application name (eg, "PCx86", "C1Pjs")
 
 /**
  * @define {boolean}
@@ -69,6 +74,26 @@ var BYTEARRAYS = false;
  */
 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 (PCX86.DEBUG) ..." instead of "if (DEBUG) ...".
+ */
+var PC6502 = {
+    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.DEBUGGER = DEBUGGER;

modules/pc6502/lib/memory.js

@@ -237,7 +237,7 @@ Memory.prototype = {
      * @this {Memory}
      * @param {Memory} mem
      * @param {number} [type]
-     * @param {Debugger} [dbg]
+     * @param {Debugger6502} [dbg]
      */
     clone: function(mem, type, dbg) {
         /*
@@ -485,7 +485,7 @@ Memory.prototype = {
      * copyBreakpoints(dbg, mem)
      *
      * @this {Memory}
-     * @param {Debugger} [dbg]
+     * @param {Debugger6502} [dbg]
      * @param {Memory} [mem] (outgoing Memory block to copy breakpoints from, if any)
      */
     copyBreakpoints: function(dbg, mem) {

modules/pc6502/lib/panel.js

@@ -87,7 +87,7 @@ Panel.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {CPUState} cpu
- * @param {Debugger} dbg
+ * @param {Debugger6502} dbg
  */
 Panel.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pc6502/lib/ram.js

@@ -74,7 +74,7 @@ Component.subclass(RAM);
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {CPUState} cpu
- * @param {Debugger} dbg
+ * @param {Debugger6502} dbg
  */
 RAM.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pc6502/lib/rom.js

@@ -133,7 +133,7 @@ Component.subclass(ROM);
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {CPUState} cpu
- * @param {Debugger} dbg
+ * @param {Debugger6502} dbg
  */
 ROM.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pc6502/lib/video.js

@@ -223,7 +223,7 @@ Video.COLORS = {
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {CPUState} cpu
- * @param {Debugger} dbg
+ * @param {Debugger6502} dbg
  */
 Video.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pc8080/lib/debugger.js

@@ -37,6 +37,7 @@ if (DEBUGGER) {
         var usr         = require("../../shared/lib/usrlib");
         var web         = require("../../shared/lib/weblib");
         var Component   = require("../../shared/lib/component");
+        var Debugger    = require("../../shared/lib/debugger");
         var State       = require("../../shared/lib/state");
         var PC8080      = require("./defines");
         var CPUDef8080  = require("./cpudef");
@@ -68,7 +69,7 @@ var DbgAddr8080;
  * Debugger8080(parmsDbg)
  *
  * @constructor
- * @extends Component
+ * @extends Debugger
  * @param {Object} parmsDbg
  *
  * The Debugger8080 component supports the following optional (parmsDbg) properties:
@@ -89,17 +90,6 @@ function Debugger8080(parmsDbg)
 
         this.style = Debugger8080.STYLE_8080;
 
-        /*
-         * These keep track of instruction activity, but only when tracing or when Debugger8080 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,
@@ -111,13 +101,6 @@ function Debugger8080(parmsDbg)
         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.
          */
@@ -138,21 +121,6 @@ function Debugger8080(parmsDbg)
          */
         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,
@@ -214,7 +182,7 @@ function Debugger8080(parmsDbg)
 
 if (DEBUGGER) {
 
-    Component.subclass(Debugger8080);
+    Component.subclass(Debugger8080, Debugger);
 
     /*
      * NOTE: Every Debugger8080 property from here to the first prototype function definition (initBus()) is a
@@ -2622,380 +2590,7 @@ if (DEBUGGER) {
         return s;
     };
 
-    Debugger8080.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 {Debugger8080}
-     * @param {Array.<number>} aVals
-     * @param {Array.<string>} aOps
-     * @param {number} [cOps] (default is all)
-     * @return {boolean} true if successful, false if error
-     */
-    Debugger8080.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 {Debugger8080}
-     * @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
-     */
-    Debugger8080.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(Debugger8080.aBinOpPrecedence[sOp] != null);
-                if (aOps.length && Debugger8080.aBinOpPrecedence[sOp] < Debugger8080.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 {Debugger8080}
-     * @param {string} s
-     * @return {string}
-     */
-    Debugger8080.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 {Debugger8080}
-     * @param {string} s
-     * @return {string}
-     */
-    Debugger8080.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 {Debugger8080}
-     * @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
-     */
-    Debugger8080.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 {Debugger8080}
-     * @param {string|null} sVar
-     * @param {number|undefined} value
-     * @return {boolean} true if value defined, false if not
-     */
-    Debugger8080.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 {Debugger8080}
-     * @param {string} [sVar]
-     * @return {boolean} true if all value(s) defined, false if not
-     */
-    Debugger8080.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 {Debugger8080}
-     * @param {string} sVar
-     */
-    Debugger8080.prototype.delVariable = function(sVar)
-    {
-        delete this.aVariables[sVar];
-    };
-
-    /**
-     * getVariable(sVar)
-     *
-     * @this {Debugger8080}
-     * @param {string} sVar
-     * @return {number|undefined}
-     */
-    Debugger8080.prototype.getVariable = function(sVar)
-    {
-        return this.aVariables[sVar];
-    };
-
-    /**
-     * setVariable(sVar, value)
-     *
-     * @this {Debugger8080}
-     * @param {string} sVar
-     * @param {number} value
-     */
-    Debugger8080.prototype.setVariable = function(sVar, value)
-    {
-        this.aVariables[sVar] = value;
-    };
-
-    /**
      * comparePairs(p1, p2)
      *
      * @this {Debugger8080}

modules/pcx86/bin/pcx86

@@ -76,7 +76,8 @@ try {
  * Create is the constructor returned by require().  The only bit of fudging we do is
  * overriding the constructor for component "cpu" with the constructor for "x86cpu",
  * because when a "cpu" definition is encountered, it's the "x86cpu" subclass that we
- * actually want to create, not the "cpu" superclass.
+ * actually want to create, not the "cpu" superclass.  See aSubClasses for the complete
+ * list of subclassed components we manage like that.
  * 
  * TODO: Update the list of ignored (ie, ignorable) components.
  */
@@ -84,7 +85,11 @@ var Component;
 var dbg;
 var aComponents = [];
 var asComponentsIgnore = ["embed","save"];
-
+var aSubClasses = {
+    "pcx86/lib/x86cpu": "pcx86/lib/cpu",
+    "pcx86/lib/debugger": "shared/lib/debugger"
+};
+    
 /**
  * loadComponents(asFiles)
  * 
@@ -106,9 +111,17 @@ function loadComponents(asFiles)
              * we'll want to access later (eg, "component" in getComponentByType()).
              */
             var fn = require(lib + "../../../" + sFile);
-            if (sName == "x86cpu") {
+            var sSuperClass = null;
+            for (var s in aSubClasses) {
+                if (sFile.indexOf(s) >= 0) {
+                    sSuperClass = aSubClasses[s];
+                    break;
+                }
+            }
+            if (sSuperClass) {
                 for (var j = 0; j < aComponents.length; j++) {
-                    if (aComponents[j].name == "cpu") {
+                    if (aComponents[j].path.indexOf(sSuperClass) >= 0) {
+                        if (fDebug) console.log("updating superclass " + aComponents[j].path + " with subclass " + sFile);
                         aComponents[j].Create = fn;
                         sName = null;
                         break;
@@ -121,7 +134,7 @@ function loadComponents(asFiles)
                 };      // jshint ignore:line
             }
             if (sName) {
-                aComponents.push({name: sName, Create: fn, objects: []});
+                aComponents.push({name: sName, path: sFile, Create: fn, objects: []});
             }
             if (sName == "defines") {
                 /*

modules/pcx86/lib/bus.js

@@ -68,7 +68,7 @@ if (NODE) {
  * @extends Component
  * @param {Object} parmsBus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 function Bus(parmsBus, cpu, dbg)
 {

modules/pcx86/lib/chipset.js

@@ -1294,7 +1294,7 @@ ChipSet.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 ChipSet.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/computer.js

@@ -182,7 +182,7 @@ function Computer(parmsComputer, parmsMachine, fSuspended) {
         Component.error("Unable to find CPU component");
         return;
     }
-    this.dbg = /** @type {Debugger} */ (Component.getComponentByType("Debugger", this.id));
+    this.dbg = /** @type {DebuggerX86} */ (Component.getComponentByType("Debugger", this.id));
 
     /*
      * Enumerate all Video components for future updateVideo() calls.

modules/pcx86/lib/cpu.js

@@ -159,7 +159,7 @@ CPU.BUTTONS = ["power", "reset"];
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 CPU.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/defines.js

@@ -34,12 +34,12 @@
 /**
  * @define {string}
  */
-var APPCLASS = "pcx86";          // this @define is the default application class (eg, "pcx86", "c1pjs")
+var APPCLASS = "pcx86";         // this @define is the default application class (eg, "pcx86", "c1pjs")
 
 /**
  * @define {string}
  */
-var APPNAME = "PCx86";           // this @define is the default application name (eg, "PCx86", "C1Pjs")
+var APPNAME = "PCx86";          // this @define is the default application name (eg, "PCx86", "C1Pjs")
 
 /**
  * @define {boolean}

modules/pcx86/lib/disk.js

@@ -811,7 +811,7 @@ var SectorInfo;
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 Disk.prototype.initBus = function(cmp, bus, cpu, dbg) {
     this.dbg = dbg;

modules/pcx86/lib/fdc.js

@@ -623,7 +623,7 @@ FDC.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 FDC.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/hdc.js

@@ -594,7 +594,7 @@ HDC.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 HDC.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/interrupts.js

@@ -31,22 +31,6 @@
 
 "use strict";
 
-/*
- * Components that previously used Debugger interrupt definitions by including:
- *
- *     var Debugger = require("./debugger");
- *
- * and using:
- *
- *      Debugger.INT.FOO
- *
- * must now instead include:
- *
- *      var Interrupts = require("./interrupts");
- *
- * and then replace all occurrences of "Debugger.INT.FOO" with "Interrupts.FOO".
- */
-
 var Interrupts = {
     VIDEO:      0x10,
     DISK:       0x13,
@@ -184,7 +168,7 @@ if (DEBUGGER) {
         0x4A8:  ["SAVE_PTR",4]          // POINTER TO EGA PARAMETER CONTROL BLOCK
     },
     /*
-     * See Debugger.prototype.replaceRegs() for the rules governing how register contents are replaced in the strings below.
+     * See DebuggerX86.prototype.replaceRegs() for the rules governing how register contents are replaced in the strings below.
      *
      * Replacements occur in the following order:
      *
@@ -1546,7 +1530,7 @@ if (DEBUGGER) {
  *      INT 2E Execute command (*) (2.0+)
  *      Entry: DS:SI->command string-1 followed by a carriage return
  *      Exit:  All registers except CS and IP are destroyed
- *      Note:  This function is not re-enterant and should not be issued from a
+ *      Note:  This function is not re-entrant and should not be issued from a
  *             batch file.
  *
  *      INT 2F Multiplex (3.0+)
@@ -1922,7 +1906,7 @@ if (DEBUGGER) {
  *
  *      Stacks descriptor (8 bytes)
  *      00 Flag (0=free,1=in use)
- *      02 Savearea for SS:SP
+ *      02 Save area for SS:SP
  *      06 Offset of end of stack
  *
  *      Device driver header (12h bytes)

modules/pcx86/lib/keyboard.js

@@ -1324,7 +1324,7 @@ Keyboard.prototype.findBinding = function(simCode, sType, fDown)
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 Keyboard.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/memory.js

@@ -288,7 +288,7 @@ Memory.prototype = {
      * @this {Memory}
      * @param {Memory} mem
      * @param {number} [type]
-     * @param {Debugger} [dbg]
+     * @param {DebuggerX86} [dbg]
      */
     clone: function(mem, type, dbg) {
         /*
@@ -620,7 +620,7 @@ Memory.prototype = {
      * copyBreakpoints(dbg, mem)
      *
      * @this {Memory}
-     * @param {Debugger} [dbg]
+     * @param {DebuggerX86} [dbg]
      * @param {Memory} [mem] (outgoing Memory block to copy breakpoints from, if any)
      */
     copyBreakpoints: function(dbg, mem) {

modules/pcx86/lib/messages.js

@@ -31,22 +31,6 @@
 
 "use strict";
 
-/*
- * Components that previously used Debugger messages definitions by including:
- *
- *     var Debugger = require("./debugger");
- *
- * and using:
- *
- *      Debugger.MESSAGE.FOO
- *
- * must now instead include:
- *
- *      var Messages = require("./messages");
- *
- * and then replace all occurrences of "Debugger.MESSAGE.FOO" with "Messages.FOO".
- */
-
 var Messages = {
     CPU:        0x00000001,
     SEG:        0x00000002,

modules/pcx86/lib/mouse.js

@@ -181,7 +181,7 @@ Mouse.BUTTON = {
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 Mouse.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/panel.js

@@ -341,7 +341,7 @@ Panel.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 Panel.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/parallelport.js

@@ -230,7 +230,7 @@ ParallelPort.prototype.setBinding = function(sHTMLType, sBinding, control, sValu
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 ParallelPort.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/ram.js

@@ -77,7 +77,7 @@ Component.subclass(RAM);
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 RAM.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/rom.js

@@ -162,7 +162,7 @@ ROM.BIOS.RESET_FLAG_WARMBOOT = 0x1234;  // value stored at ROM.BIOS.RESET_FLAG t
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 ROM.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/serialport.js

@@ -456,7 +456,7 @@ SerialPort.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 SerialPort.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/video.js

@@ -2899,7 +2899,7 @@ Video.TOUCH = {
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 Video.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pcx86/lib/x86fpu.js

@@ -163,7 +163,7 @@ Component.subclass(X86FPU);
  * @param {Computer} cmp
  * @param {Bus} bus
  * @param {X86CPU} cpu
- * @param {Debugger} dbg
+ * @param {DebuggerX86} dbg
  */
 X86FPU.prototype.initBus = function(cmp, bus, cpu, dbg)
 {

modules/pdp11/lib/debugger.js

@@ -39,6 +39,7 @@ if (DEBUGGER) {
         var usr           = require("../../shared/lib/usrlib");
         var web           = require("../../shared/lib/weblib");
         var Component     = require("../../shared/lib/component");
+        var Debugger      = require("../../shared/lib/debugger");
         var State         = require("../../shared/lib/state");
         var PDP11         = require("./defines");
         var CPUPDP11      = require("./cpu");
@@ -69,7 +70,7 @@ var DbgAddrPDP11;
  * DebuggerPDP11(parmsDbg)
  *
  * @constructor
- * @extends Component
+ * @extends Debugger
  * @param {Object} parmsDbg
  *
  * The DebuggerPDP11 component supports the following optional (parmsDbg) properties:
@@ -86,18 +87,7 @@ function DebuggerPDP11(parmsDbg)
 {
     if (DEBUGGER) {
 
-        Component.call(this, "Debugger", parmsDbg, DebuggerPDP11);
+        Debugger.call(this, parmsDbg);
-
-        /*
-         * 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
@@ -110,13 +100,6 @@ function DebuggerPDP11(parmsDbg)
         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.
          */
@@ -137,21 +120,6 @@ function DebuggerPDP11(parmsDbg)
          */
         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,
@@ -213,7 +181,7 @@ function DebuggerPDP11(parmsDbg)
 
 if (DEBUGGER) {
 
-    Component.subclass(DebuggerPDP11);
+    Component.subclass(DebuggerPDP11, Debugger);
 
     /*
      * NOTE: Every DebuggerPDP11 property from here to the first prototype function definition (initBus()) is a
@@ -2138,379 +2106,6 @@ if (DEBUGGER) {
         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.<number>} aVals
-     * @param {Array.<string>} 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)
      *

modules/shared/lib/debugger.js

@@ -0,0 +1,473 @@
+/**
+ * @fileoverview Common PCjs Debugger support.
+ * @author <a href="mailto:Jeff@pcjs.org">Jeff Parsons</a>
+ * @version 1.0
+ * Created 2012-Jun-21
+ *
+ * Copyright © 2012-2016 Jeff Parsons <Jeff@pcjs.org>
+ *
+ * This file is part of PCjs, a computer emulation software project at <http://pcjs.org/>.
+ *
+ * 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 <http://www.gnu.org/licenses/gpl.html>.
+ *
+ * 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 Component   = require("../../shared/lib/component");
+    }
+}
+
+/**
+ * Debugger(parmsDbg)
+ *
+ * @constructor
+ * @extends Component
+ * @param {Object} parmsDbg
+ *
+ * The Debugger component is a shared component containing a subset of functionality used by
+ * the other CPU-specific Debuggers (eg, DebuggerX86).  Over time, the goal is to factor out as
+ * much common debugging support from those components into this one.
+ */
+function Debugger(parmsDbg)
+{
+    if (DEBUGGER) {
+
+        Component.call(this, "Debugger", parmsDbg, Debugger);
+
+        /*
+         * These keep track of instruction activity, but only when tracing or when Debugger 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;
+
+        /*
+         * 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 = [];
+
+        /*
+         * 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 = {};
+
+    }   // endif DEBUGGER
+}
+
+if (DEBUGGER) {
+
+    Component.subclass(Debugger);
+
+    Debugger.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 {Debugger}
+     * @param {Array.<number>} aVals
+     * @param {Array.<string>} aOps
+     * @param {number} [cOps] (default is all)
+     * @return {boolean} true if successful, false if error
+     */
+    Debugger.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 {Debugger}
+     * @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
+     */
+    Debugger.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(Debugger.aBinOpPrecedence[sOp] != null);
+                if (aOps.length && Debugger.aBinOpPrecedence[sOp] < Debugger.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 {Debugger}
+     * @param {string} s
+     * @return {string}
+     */
+    Debugger.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), dbgAddr.fData32? 8 : 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 {Debugger}
+     * @param {string} s
+     * @return {string}
+     */
+    Debugger.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 {Debugger}
+     * @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
+     */
+    Debugger.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 {Debugger}
+     * @param {string|null} sVar
+     * @param {number|undefined} value
+     * @return {boolean} true if value defined, false if not
+     */
+    Debugger.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 {Debugger}
+     * @param {string} [sVar]
+     * @return {boolean} true if all value(s) defined, false if not
+     */
+    Debugger.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 {Debugger}
+     * @param {string} sVar
+     */
+    Debugger.prototype.delVariable = function(sVar)
+    {
+        delete this.aVariables[sVar];
+    };
+
+    /**
+     * getVariable(sVar)
+     *
+     * @this {Debugger}
+     * @param {string} sVar
+     * @return {number|undefined}
+     */
+    Debugger.prototype.getVariable = function(sVar)
+    {
+        return this.aVariables[sVar];
+    };
+
+    /**
+     * setVariable(sVar, value)
+     *
+     * @this {Debugger}
+     * @param {string} sVar
+     * @param {number} value
+     */
+    Debugger.prototype.setVariable = function(sVar, value)
+    {
+        this.aVariables[sVar] = value;
+    };
+
+}   // endif DEBUGGER
+
+if (NODE) module.exports = Debugger;

modules/shared/lib/defines.js

@@ -35,13 +35,9 @@
  * @define {string}
  */
 var APPVERSION = "1.x.x";       // this @define is overridden by the Closure Compiler with the version in package.json
-
 var XMLVERSION = null;          // this is set in non-COMPILED builds by embedMachine() if a version number was found in the machine XML
-
 var COPYRIGHT = "Copyright © 2012-2016 Jeff Parsons <Jeff@pcjs.org>";
-
 var LICENSE = "License: GPL version 3 or later <http://gnu.org/licenses/gpl.html>";
-
 var CSSCLASS = "pcjs";
 
 /**

modules/shared/lib/strlib.js

@@ -41,7 +41,7 @@ var str = {};
  * So use this function to validate the entire string.
  *
  * @param {string} s is the string representation of some number
- * @param {number} [base] is the radix of the number represented above (only 2, 10 and 16 are supported)
+ * @param {number} [base] is the radix of the number represented above; 10 is the default (only 2, 8, 10 and 16 are supported)
  * @return {boolean} true if valid, false if invalid (or the specified base isn't supported)
  */
 str.isValidInt = function(s, base)

package.json

@@ -135,6 +135,7 @@
     "./modules/pcx86/lib/disk.js",
     "./modules/pcx86/lib/fdc.js",
     "./modules/pcx86/lib/hdc.js",
+    "./modules/shared/lib/debugger.js",
     "./modules/pcx86/lib/debugger.js",
     "./modules/pcx86/lib/computer.js",
     "./modules/shared/lib/state.js",
@@ -165,6 +166,7 @@
     "./modules/pc8080/lib/keyboard.js",
     "./modules/pc8080/lib/video.js",
     "./modules/pc8080/lib/serialport.js",
+    "./modules/shared/lib/debugger.js",
     "./modules/pc8080/lib/debugger.js",
     "./modules/pc8080/lib/computer.js",
     "./modules/shared/lib/state.js",
@@ -190,6 +192,7 @@
     "./modules/pdp11/lib/rom.js",
     "./modules/pdp11/lib/ram.js",
     "./modules/pdp11/lib/keyboard.js",
+    "./modules/shared/lib/debugger.js",
     "./modules/pdp11/lib/debugger.js",
     "./modules/pdp11/lib/computer.js",
     "./modules/shared/lib/state.js",

versions/pc8080/1.30.0/pc8080-dbg.js

@@ -1,4 +1,4 @@
-(function(){var m;function ca(a,b){var c;if(a){b||(b=16);if("$"==a.charAt(0))b=16,a=a.substr(1);else if("0x"==a.substr(0,2))b=16,a=a.substr(2);else{var d=a.charAt(a.length-1).toLowerCase();"h"==d?(b=16,d=null):"."==d&&(b=10,d=null);null==d&&(a=a.substr(0,a.length-1))}var e,d=a,f=b;(f&&10!=f?16==f?null!==d.match(/^[0-9a-f]+$/i):2==f&&null!==d.match(/^[01]+$/i):null!==d.match(/^[0-9]+$/))&&!isNaN(e=parseInt(a,b))&&(c=e|0)}return c}
+(function(){var m;function aa(a,b){var c;if(a){b||(b=16);if("$"==a.charAt(0))b=16,a=a.substr(1);else if("0x"==a.substr(0,2))b=16,a=a.substr(2);else{var d=a.charAt(a.length-1).toLowerCase();"h"==d?(b=16,d=null):"."==d&&(b=10,d=null);null==d&&(a=a.substr(0,a.length-1))}var e,d=a,f=b;(f&&10!=f?16==f?null!==d.match(/^[0-9a-f]+$/i):2==f&&null!==d.match(/^[01]+$/i):null!==d.match(/^[0-9]+$/))&&!isNaN(e=parseInt(a,b))&&(c=e|0)}return c}
 function n(a,b){var c="";void 0===b?b=8:8<b&&(b=8);if(null==a||isNaN(a))for(;0<b--;)c="?"+c;else for(;0<b--;){var d=a&15,d=d+(0<=d&&9>=d?48:55),c=String.fromCharCode(d)+c;a>>=4}return c}function da(a){return"0x"+n(a,2)}function t(a){return"0x"+n(a,4)}function ea(a){var b=a,c=a.lastIndexOf("/");0<=c&&(b=a.substr(c+1));c=b.indexOf("&");0<c&&(b=b.substr(0,c));return b}function fa(a){var b="",c=a.lastIndexOf(".");0<=c&&(b=a.substr(c+1).toLowerCase());return b}
 function ga(){var a=ha();return-1!==a.indexOf("pcjs.org",a.length-8)}var ja={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#039;"};function ka(a){return a.replace(/[&<>"']/g,function(a){return ja[a]})}function la(a,b){return(a+"                                        ").slice(0,b)}function ma(a){return String.prototype.trim?a.trim():a.replace(/^\s+|\s+$/g,"")}
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+m.wd=function(a,b,c){E(this,a,b,c,"SOUND2",null,!0);this.la=b};m.xd=function(a,b,c){E(this,a,b,c,"WATCHDOG",null,!0)};function Pd(a){var b=0,c=0,d=~a.P;for(a=0;10>a;a++)d&1&&(b=9-a),d>>=1;for(a=0;10>a;a++)d&1&&(c=9-a),d>>=1;return 10*b+c}
-m.md=function(a,b){var c=this.J,c=c&~U.Ja.Wb;if((Fc(this.b)&64)<<1&&(c|=U.Ja.Wb,c!=this.J)){var d,e;d=this.O&1;e=this.O>>1&7;switch(e){case U.Ka.Ta.Yc:break;case U.Ka.Ta.wc:this.P=this.P<<1|d;break;case U.Ka.Ta.Cc:d=Pd(this);this.I[d]=U.Ka.Ab;jb(this,"doNVRCommand(): erase data at addr "+t(d));break;case U.Ka.Ta.xc:this.j=this.j<<1|d;break;case U.Ka.Ta.bd:d=Pd(this);e=this.j&U.Ka.Ab;this.I[d]=e;jb(this,"doNVRCommand(): write data "+t(e)+" to addr "+t(d));break;case U.Ka.Ta.Wc:d=Pd(this);e=this.I[d];
+m.nd=function(a,b){var c=this.J,c=c&~U.Ja.Wb;if((Ec(this.b)&64)<<1&&(c|=U.Ja.Wb,c!=this.J)){var d,e;d=this.O&1;e=this.O>>1&7;switch(e){case U.Ka.Ta.Zc:break;case U.Ka.Ta.xc:this.P=this.P<<1|d;break;case U.Ka.Ta.Dc:d=Pd(this);this.I[d]=U.Ka.zb;ib(this,"doNVRCommand(): erase data at addr "+t(d));break;case U.Ka.Ta.yc:this.j=this.j<<1|d;break;case U.Ka.Ta.cd:d=Pd(this);e=this.j&U.Ka.zb;this.I[d]=e;ib(this,"doNVRCommand(): write data "+t(e)+" to addr "+t(d));break;case U.Ka.Ta.Xc:d=Pd(this);e=this.I[d];
-null==e&&(e=U.Ka.Ab);this.j=e;jb(this,"doNVRCommand():  read data "+t(e)+" from addr "+t(d));break;case U.Ka.Ta.Xc:this.j<<=1;this.ba=this.j&U.Ka.Ab+1;break;default:jb(this,"doNVRCommand(): unrecognized command "+da(e))}}c&=~U.Ja.Xb;this.ba&&(c|=U.Ja.Xb);c&=~U.Ja.Sb;if(d=this.K){d=this.K;if(e=d.D)e=d.b,e=Fc(d.b)>=d.J+e.Z*e.Qa/1E3*1.2731488;e&&(d.D=!1);d=!d.D}d&&(c|=U.Ja.Sb);c&=~U.Ja.Zb;this.Ea&&this.Ea.Ca&1&&(c|=U.Ja.Zb);this.J=c;D(this,a,null,b,"FLAGS",c);return c};
+null==e&&(e=U.Ka.zb);this.j=e;ib(this,"doNVRCommand():  read data "+t(e)+" from addr "+t(d));break;case U.Ka.Ta.Yc:this.j<<=1;this.ba=this.j&U.Ka.zb+1;break;default:ib(this,"doNVRCommand(): unrecognized command "+da(e))}}c&=~U.Ja.Xb;this.ba&&(c|=U.Ja.Xb);c&=~U.Ja.Sb;if(d=this.K){d=this.K;if(e=d.D)e=d.b,e=Ec(d.b)>=d.J+e.Z*e.Qa/1E3*1.2731488;e&&(d.D=!1);d=!d.D}d&&(c|=U.Ja.Sb);c&=~U.Ja.Zb;this.Ea&&this.Ea.Ca&1&&(c|=U.Ja.Zb);this.J=c;E(this,a,null,b,"FLAGS",c);return c};
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+m.yd=function(a,b,c){E(this,a,b,c,"BRIGHTNESS");this.ga=b};m.Bd=function(a,b,c){E(this,a,b,c,"NVR.LATCH");this.O=b};m.Ad=function(a,b,c){E(this,a,b,c,"DC012");a=b&3;switch(b>>2&3){case 0:this.D=this.D&-4|a;break;case 1:this.D=this.D&-13|a<<2;this.video&&(b=this.video,a=this.D,ib(b,"updateScrollOffset("+a+")"),b.ob!==a&&((b.ob=a)?Lc(b,!0):b.qb=!0));break;case 2:switch(a){case 0:this.aa=~this.aa;break;case 2:case 3:this.ia=3-a}break;case 3:this.ha=a}};
-m.yd=function(a,b,c){D(this,a,b,c,"DC011");b&U.Ua.Vc?(b&=U.Ua.Yb,this.M!=b&&(this.M=b,this.video&&(a=this.video,b=this.M==U.Ua.Yb?50:60,jb(a,"updateRate("+b+")"),a.sc=b))):(b&=U.Ua.Rb,this.L!=b&&(this.L=b,this.video&&(a=this.L==U.Ua.Rb?132:80,b=this.video,jb(b,"updateDimensions("+a+","+(80<a&&this.J&U.Ja.Vb?14:24)+")"),b.ba=a,b.qa=b.gc,80<a&&b.qa--,Qd(b)&&Rd(b))))};T.Eb={0:S.prototype.jd,1:S.prototype.kd,2:S.prototype.ld,3:S.prototype.hd};
+m.zd=function(a,b,c){E(this,a,b,c,"DC011");b&U.Ua.Wc?(b&=U.Ua.Yb,this.M!=b&&(this.M=b,this.video&&(a=this.video,b=this.M==U.Ua.Yb?50:60,ib(a,"updateRate("+b+")"),a.tc=b))):(b&=U.Ua.Rb,this.L!=b&&(this.L=b,this.video&&(a=this.L==U.Ua.Rb?132:80,b=this.video,ib(b,"updateDimensions("+a+","+(80<a&&this.J&U.Ja.Vb?14:24)+")"),b.ba=a,b.qa=b.hc,80<a&&b.qa--,Qd(b)&&Rd(b))))};T.Db={0:S.prototype.kd,1:S.prototype.ld,2:S.prototype.md,3:S.prototype.jd};
-T.Fb={2:S.prototype.sd,3:S.prototype.ud,4:S.prototype.td,5:S.prototype.vd,6:S.prototype.wd};U.Eb={66:S.prototype.md};U.Fb={66:S.prototype.xd,98:S.prototype.Ad,162:S.prototype.zd,194:S.prototype.yd};Ma(function(){for(var a=C(document,"pc8080","chipset"),b=0;b<a.length;b++){var c=a[b],d=z(c),d=new S(d);hb(d,c)}});
+T.Eb={2:S.prototype.td,3:S.prototype.vd,4:S.prototype.ud,5:S.prototype.wd,6:S.prototype.xd};U.Db={66:S.prototype.nd};U.Eb={66:S.prototype.yd,98:S.prototype.Bd,162:S.prototype.Ad,194:S.prototype.zd};Ma(function(){for(var a=D(document,"pc8080","chipset"),b=0;b<a.length;b++){var c=a[b],d=C(c),d=new S(d);gb(d,c)}});
-function Sd(a){w.call(this,"ROM",a,Sd);this.B=null;this.D=a.addr;this.j=a.size;this.G=a.writable;this.w=a.alias;this.I=a.file;this.K=ea(this.I);if(this.I){a=this.I;var b=fa(this.K);"json"!=b&&"hex"!=b&&(a=ha()+"/api/v1/dump?file="+this.I+"&format=bytes&decimal=true");var c=this;sa(a,null,!0,function(a,b,f){Td(c,a,b,f)})}}bb(Sd);var Ud=[0,5];Sd.prototype.Oa=function(a,b,c,d){this.u=b;this.b=c;this.H=d;Vd(this)};
+function Sd(a){w.call(this,"ROM",a,Sd);this.B=null;this.D=a.addr;this.j=a.size;this.G=a.writable;this.w=a.alias;this.I=a.file;this.K=ea(this.I);if(this.I){a=this.I;var b=fa(this.K);"json"!=b&&"hex"!=b&&(a=ha()+"/api/v1/dump?file="+this.I+"&format=bytes&decimal=true");var c=this;sa(a,null,!0,function(a,b,f){Td(c,a,b,f)})}}z(Sd);var Ud=[0,5];Sd.prototype.Oa=function(a,b,c,d){this.u=b;this.b=c;this.H=d;Vd(this)};
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+Sd.prototype.Da=function(){if(this.Pa){if(this.H){var a=this.H,b=this.id,c=this.D,d=this.j,e=this.Pa,f=[],h;for(h in e){var g=e[h];"number"==typeof g&&(e[h]=g={o:g});var k=g.o,l=g.a;if(void 0!==k){var p=f,k=[k>>>0,h],q=oa(p,k,a.ac);0>q&&p.splice(-(q+1),0,k)}l&&(g.a=l.replace(/''/g,'"'))}a.G.push({re:b,F:c,pd:d,Pa:e,$b:f})}delete this.Pa}return!0};Sd.prototype.Ha=function(){return!0};
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+function Td(a,b,c,d){if(d)a.ja("Unable to load system ROM (error "+d+": "+b+")");else{cb(a.Ab,b,c);if("["==c.charAt(0)||"{"==c.charAt(0))try{var e=eval("("+c+")"),f=e.bytes,h=e.data;if(f)a.B=f;else if(h)for(a.B=Array(4*h.length),d=c=0;c<h.length;c++)a.B[d++]=h[c]&255,a.B[d++]=h[c]>>8&255,a.B[d++]=h[c]>>16&255,a.B[d++]=h[c]>>24&255;else a.B=e;a.Pa=e.symbols;if(!a.B.length){v("Empty ROM: "+b);return}if(1==a.B.length){v(a.B[0]);return}}catch(g){a.ja("ROM data error: "+g.message);return}else for(b=c.replace(/\n/gm,
-" ").replace(/ +$/,"").split(" "),a.B=Array(b.length),e=0;e<b.length;e++)a.B[e]=ca(b[e],16);Vd(a)}}
+" ").replace(/ +$/,"").split(" "),a.B=Array(b.length),e=0;e<b.length;e++)a.B[e]=aa(b[e],16);Vd(a)}}
-function Vd(a){if(!pb(a))if(!a.I)E(a);else if(a.B&&a.u){a.j||(a.j=a.B.length);if(a.B.length!=a.j)qb(a,"ROM size (0x"+n(a.B.length)+") does not match specified size ("+("0x"+n(a.j))+")");else if(Wd(a,a.D)){var b=[];"number"==typeof a.w?b.push(a.w):null!=a.w&&a.w.length&&(b=a.w);for(var c=0;c<b.length;c++){for(var d=a,e=b[c],f=d.u,h=d.j,g=[],k=d.D>>>f.ra;0<h&&k<f.X.length;)g.push(f.X[k++]),h-=f.Ga;f=d.u;d=d.j;h=0;for(e>>>=f.ra;0<d&&e<f.X.length;){k=g[h++];if(!k)break;f.X[e++]=k;d-=f.Ga}}delete a.B}E(a)}}
+function Vd(a){if(!mb(a))if(!a.I)F(a);else if(a.B&&a.u){a.j||(a.j=a.B.length);if(a.B.length!=a.j)pb(a,"ROM size (0x"+n(a.B.length)+") does not match specified size ("+("0x"+n(a.j))+")");else if(Wd(a,a.D)){var b=[];"number"==typeof a.w?b.push(a.w):null!=a.w&&a.w.length&&(b=a.w);for(var c=0;c<b.length;c++){for(var d=a,e=b[c],f=d.u,h=d.j,g=[],k=d.D>>>f.ra;0<h&&k<f.X.length;)g.push(f.X[k++]),h-=f.Ga;f=d.u;d=d.j;h=0;for(e>>>=f.ra;0<d&&e<f.X.length;){k=g[h++];if(!k)break;f.X[e++]=k;d-=f.Ga}}delete a.B}F(a)}}
-function Wd(a,b){if(zb(a.u,b,a.j,a.G?1:ac)){var c;for(c=0;c<a.B.length;c++)Eb(a.u,b+c,a.B[c]);if(a.G&&256==b){for(c=0;c<Ud.length;c++)Eb(a.u,Ud[c],118);Qc(a.b,function(a){return function(b){if(0<=Ud.indexOf(b)){var c=!1,h=a.b,g=a.H;if(5==b)switch(c=!0,h.T){case 2:Xd(a,String.fromCharCode(h.V));break;case 9:for(var k=Wc(h),l="",p=255;p--;){var q=a.b.$(k++);if(36==q)break;l+=String.fromCharCode(q)}Xd(a,l);break;default:c=!1}c?Ld.call(h):g&&(a.g("\nCP/M vector "+t(b)),G(h,b),g.pa());b=!0}else b=!1;return b}}(a));
+function Wd(a,b){if(yb(a.u,b,a.j,a.G?1:$b)){var c;for(c=0;c<a.B.length;c++)Db(a.u,b+c,a.B[c]);if(a.G&&256==b){for(c=0;c<Ud.length;c++)Db(a.u,Ud[c],118);Pc(a.b,function(a){return function(b){if(0<=Ud.indexOf(b)){var c=!1,h=a.b,g=a.H;if(5==b)switch(c=!0,h.T){case 2:Xd(a,String.fromCharCode(h.V));break;case 9:for(var k=Wc(h),l="",p=255;p--;){var q=a.b.$(k++);if(36==q)break;l+=String.fromCharCode(q)}Xd(a,l);break;default:c=!1}c?Ld.call(h):g&&(a.g("\nCP/M vector "+t(b)),H(h,b),g.pa());b=!0}else b=!1;return b}}(a));
-Sc(a.b,b)}return!0}return!1}function Xd(a,b){b=b.replace(/\r/g,"");a.Fa&&(a.Fa.value+=b,a.Fa.scrollTop=a.Fa.scrollHeight)}Ma(function(){for(var a=C(document,"pc8080","rom"),b=0;b<a.length;b++){var c=a[b],d=z(c),d=new Sd(d);hb(d,c)}});function Yd(a){w.call(this,"RAM",a,Yd);this.w=a.addr;this.j=a.size;this.B=!1}bb(Yd);m=Yd.prototype;m.Oa=function(a,b,c,d){this.u=b;this.b=c;this.H=d;E(this)};m.Da=function(a,b){b||this.reset();return!0};m.Ha=function(a){return a?this.save():!0};
+Rc(a.b,b)}return!0}return!1}function Xd(a,b){b=b.replace(/\r/g,"");a.Fa&&(a.Fa.value+=b,a.Fa.scrollTop=a.Fa.scrollHeight)}Ma(function(){for(var a=D(document,"pc8080","rom"),b=0;b<a.length;b++){var c=a[b],d=C(c),d=new Sd(d);gb(d,c)}});function Yd(a){w.call(this,"RAM",a,Yd);this.w=a.addr;this.j=a.size;this.B=!1}z(Yd);m=Yd.prototype;m.Oa=function(a,b,c,d){this.u=b;this.b=c;this.H=d;F(this)};m.Da=function(a,b){b||this.reset();return!0};m.Ha=function(a){return a?this.save():!0};
-m.reset=function(){!this.B&&this.j&&zb(this.u,this.w,this.j,1)&&(this.B=!0);this.B||v("No RAM allocated")};m.save=function(){return null};m.restore=function(){return!0};Ma(function(){for(var a=C(document,"pc8080","ram"),b=0;b<a.length;b++){var c=a[b],d=z(c),d=new Yd(d);hb(d,c)}});function Zd(a){w.call(this,"Keyboard",a,Zd,65536);(a=a.model)&&!$d[a]&&Oa("Unrecognized Keyboard8080 model: "+a);this.u=$d[a]||{};this.reset();E(this)}bb(Zd);
+m.reset=function(){!this.B&&this.j&&yb(this.u,this.w,this.j,1)&&(this.B=!0);this.B||v("No RAM allocated")};m.save=function(){return null};m.restore=function(){return!0};Ma(function(){for(var a=D(document,"pc8080","ram"),b=0;b<a.length;b++){var c=a[b],d=C(c),d=new Yd(d);gb(d,c)}});function Zd(a){w.call(this,"Keyboard",a,Zd,65536);(a=a.model)&&!$d[a]&&Oa("Unrecognized Keyboard8080 model: "+a);this.u=$d[a]||{};this.reset();F(this)}z(Zd);
-var ae={Aa:1978.1,A:{},Qb:{65:37,68:39,76:32},nb:{},Va:{"1p":49,"2p":50,coin:51,left:37,right:39,fire:32}},V={Aa:100,A:{},Qb:{},nb:{},Va:{setup:120},yc:{Ba:130,INIT:127},La:{Ba:130,Nc:1,Mc:2,Lc:4,Kc:8,Oc:16,Ub:32,Tb:63,Zc:64,Id:128,INIT:0},Jc:127};V.A[46]=3;V.A[80]=5;V.A[79]=6;V.A[89]=7;V.A[84]=8;V.A[87]=9;V.A[81]=10;V.A[39]=16;V.A[221]=20;V.A[219]=21;V.A[73]=22;V.A[85]=23;V.A[82]=24;V.A[69]=25;V.A[49]=26;V.A[37]=32;V.A[40]=34;V.A[117]=35;V.A[19]=35;V.A[192]=36;V.A[189]=37;V.A[57]=38;V.A[55]=39;
+var ae={Aa:1978.1,A:{},Qb:{65:37,68:39,76:32},mb:{},Va:{"1p":49,"2p":50,coin:51,left:37,right:39,fire:32}},V={Aa:100,A:{},Qb:{},mb:{},Va:{setup:120},zc:{Ba:130,INIT:127},La:{Ba:130,Oc:1,Nc:2,Mc:4,Lc:8,Pc:16,Ub:32,Tb:63,$c:64,Jd:128,INIT:0},Kc:127};V.A[46]=3;V.A[80]=5;V.A[79]=6;V.A[89]=7;V.A[84]=8;V.A[87]=9;V.A[81]=10;V.A[39]=16;V.A[221]=20;V.A[219]=21;V.A[73]=22;V.A[85]=23;V.A[82]=24;V.A[69]=25;V.A[49]=26;V.A[37]=32;V.A[40]=34;V.A[117]=35;V.A[19]=35;V.A[192]=36;V.A[189]=37;V.A[57]=38;V.A[55]=39;
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+function Mf(a,b){if("?"==b)a.g("frequency commands:"),a.g("\tclear\tclear all frequency counts");else{var c,d=0;if(a.K)if("clear"==b){for(c=0;c<a.K.length;c++)a.K[c]=[c,0];a.g("frequency data cleared");d++}else if(void 0!==b)a.g("unknown frequency command: "+b),d++;else{var e=a.K.slice();e.sort(function(a,b){return b[1]-a[1]});var f=8086!=a.style?Ne:Oe;for(c=0;c<e.length;c++){var h=e[c][0],g=e[c][1];g&&(a.g((f[a.Ea[h][0]]+"  ").substr(0,5)+" ("+da(h)+"): "+g+" times"),d++)}}d||a.g("no frequency data available")}}
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 a.b.Qa+"x)");return;case "?":a.g("debugger options:");a.g("\t8080\t\tselect 8080-style mnemonics");a.g("\t8086\t\tselect 8086-style mnemonics");a.g("\tcs int #\tset checksum cycle interval to #");a.g("\tcs start #\tset checksum cycle start count to #");a.g("\tcs stop #\tset checksum cycle stop count to #");a.g("\tsp #\t\tset speed multiplier to #");break;default:if(b[1]){a.g("unknown option: "+b[1]);return}}a.g(a.style+"-style mnemonics enabled")}
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+a.g("\tbc [a]\tclear breakpoint at addr [a]"),a.g("\tbl\tlist all breakpoints"),a.g("\tbn [n]\tbreak after [n] instruction(s)");else{var y=u.charAt(1);if("l"==y){var X=0,X=X+Ef(a,a.j),X=X+Ef(a,a.O);(X+=Ef(a,a.D))||a.g("no breakpoints")}else if("n"==y)a.ha=Be(a,r),a.g("break after "+a.ha+" instruction(s)");else if(void 0===r)a.g("missing breakpoint address");else{var A=W();if("*"!=r&&(A=De(a,r,!0),!A))break a;r=t(A.F);"c"==y?null==A.F?(Je(a),a.g("all breakpoints cleared")):Cf(a,a.j,A)||Cf(a,a.O,A)||
-wf(a,a.D,A)||a.g("breakpoint missing: "+Z(A.F)):"i"==y?a.g("breakpoint "+(Gb(a.u,A.F)?"enabled":"cleared")+": port "+r+" (input)"):"o"==y?a.g("breakpoint "+(Sb(a.u,A.F)?"enabled":"cleared")+": port "+r+" (output)"):null!=A.F&&(Ne(a,A,B),"p"==y?a.Ya(a.j,A):"r"==y?a.Ya(a.O,A):"w"==y?a.Ya(a.D,A):a.g("unknown breakpoint command: "+y))}}}break;case "c":a.Fa&&(a.Fa.value="");break;case "d":a:{var Q,aa=f[0],Y=f[1],ua=f[2],Fb=f[3];if("?"==Y){var Fa="";for(Q in tb)a.va[Q]&&(Fa&&(Fa+=","),Fa+=Q);Fa+=",state,symbols";
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+bf&&(ob=1E5,od=["CALL"]);for(void 0!==af&&a.g(ia+" instructions earlier:");0<ob&&ca!=a.ea;){var ef=Ga[ca++];if(null==ef.F)break;var Jb=W(ef.F),kg=ia--,ff=Gf(a,Jb,"history",kg);(!od.length||0<=ff.indexOf(od[0]))&&a.g(ff);Jb.Hb&&(ca+=Jb.Hb,ob-=Jb.Hb,ia-=Jb.Hb);ca>=Ga.length&&(ca=0);a.$a=ia;df++;ob--}}df||(a.g("no "+cf+"history available"),a.$a=void 0)}else{var qc=De(a,Y);if(qc){var rc=0;ua&&("l"==ua.charAt(0)&&(ua=ua.substr(1)||Fb),rc=Be(a,ua)>>>0,65536<rc&&(rc=65536));for(var Xa="",sc="dd"==ba?4:"dw"==
-aa?2:1,tc=sc*rc||128,kg=tc+15>>4||1;kg--&&0<tc;){var uc=0,od=0,Lb,Mb="",pd="",Y=Z(qc.F);for(Lb=16;0<Lb&&0<tc;Lb--){var vc=a.$(qc,1),uc=uc|vc<<(od++<<3);od==sc&&(Mb+=n(uc,2*sc),Mb+=1==sc?9==Lb?"-":" ":"  ",uc=od=0);pd+=32<=vc&&128>vc?String.fromCharCode(vc):".";tc--}Xa&&(Xa+="\n");Xa+=Y+"  "+Mb+(0==Lb?" "+pd:"")}Xa&&a.g(Xa);a.Za=qc}}}}break;case "e":if("else"==f[0])break;var wc=1,ff=255,gf=a.$,hf=a.ua;"ew"==f[0]&&(wc=2,ff=65535,gf=a.Ra,hf=a.Gb);var jf=wc<<1,kf=f[1];if(null==kf)a.g("edit memory commands:"),
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+a.g("\teb [a] [...]  edit bytes at address a"),a.g("\tew [a] [...]  edit words at address a");else{var xc=De(a,lf);if(xc)for(var yc=2;yc<f.length;yc++){var Mb=ze(a,f[yc]);if(void 0===Mb){a.g("unrecognized value: "+f[yc]);break}Mb&~gf&&a.g("warning: "+n(Mb)+" exceeds "+wc+"-byte value");var mg=hf.call(a,xc);a.g("changing "+Z(xc.F)+" from 0x"+n(mg,kf)+" to 0x"+n(Mb,kf));jf.call(a,xc,Mb,wc)}}break;case "f":Mf(a,f[1]);break;case "g":a:{var mf=f[1],ng=b;if(void 0!==mf){var rd=De(a,mf,!0);if(!rd)break a;
-Ne(a,qd,mg);a.Ya(a.j,qd,!0)}a.bb(!0)||c||a.g("cpu busy or unavailable, run command ignored")}break;case "h":a:{var rd;if(a.C.za)rd="halting",a.pa();else{if(mb(a,!0))break a;rd="already halted"}c||a.g(rd)}break;case "i":if("if"==f[0]){var sd;var Ob=b.substr(2),Ob=ma(Ob);Me(a,Ob)?(c||a.g("true: "+Ob),sd=!0):(c||a.g("false: "+Ob),sd=!1);sd||(d=!1);break}if("int"==f[0]){var zc;var ng=f[1];if(a.b.ta&512){var td=Me(a,ng);null==td?zc=!1:(a.g("requesting interrupt level "+td),Gd(a.b,td),zc=!0)}else a.g("interrupts disabled (use rif=1 to enable)"),
+Ve(a,rd,ng);a.Ya(a.j,rd,!0)}a.bb(!0)||c||a.g("cpu busy or unavailable, run command ignored")}break;case "h":a:{var sd;if(a.C.za)sd="halting",a.pa();else{if(lb(a,!0))break a;sd="already halted"}c||a.g(sd)}break;case "i":if("if"==f[0]){var td;var Nb=b.substr(2),Nb=ma(Nb);ze(a,Nb)?(c||a.g("true: "+Nb),td=!0):(c||a.g("false: "+Nb),td=!1);td||(d=!1);break}if("int"==f[0]){var zc;var og=f[1];if(a.b.ta&512){var ud=ze(a,og);null==ud?zc=!1:(a.g("requesting interrupt level "+ud),Gd(a.b,ud),zc=!0)}else a.g("interrupts disabled (use rif=1 to enable)"),
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+a.Ra(Ob,2);if(null==Ob.F||!rg--)break;for(var sg=a,Ac=nf,of=null,Pb=Ac.F,pf=Pb,yd=1;6>=yd&&Pb;yd++){if(2<yd){Ac.F=Pb;var Bc=Gf(sg,Ac);if(0<=Bc.indexOf("CALL")){var qf=Bc.indexOf(" ");if(Pb+(Bc.indexOf(" ",qf+1)-qf-1)/2==pf){of=Bc;break}}}Pb--}Ac.F=pf;if(Ya=of)break}if(!Ya||null==Ya)break;var rf=null;if("ks"==qg){var sf=Ya.match(/[0-9A-F]+$/);sf&&(rf=Of(a,sf[0]))}Ya=la(Ya,50)+"  ;"+(rf||"stack="+Z(Ob.F));a.g(Ya);xd++}xd||a.g("no return addresses found")}break;case "l":if("ln"==f[0]){Of(a,f[1],!0);
-break}break;case "m":a:{var Ha,Ia=null,N=f[1];"?"==N&&(N=void 0);if(void 0!==N){var Ra=0;if("all"==N)Ra=1878917119,N=null;else if("on"==N)Ia=!0,N=null;else if("off"==N)Ia=!1,N=null;else{"keys"==N&&(N="key");"kbd"==N&&(N="keyboard");for(Ha in tb)if(N==Ha){Ra=tb[Ha];Ia=!!(a.sa&Ra);break}if(!Ra){a.g("unknown message category: "+N);break a}}if(Ra)if("on"==f[2])a.sa|=Ra,Ia=!0;else if("off"==f[2]&&(a.sa&=~Ra,Ia=!1,1073741824==Ra)){for(var yd=0;yd<a.ka.length;yd++)a.g(a.ka[yd]);a.ka=[]}}var sg=0,Sa="";for(Ha in tb)if(!N||
+break}break;case "m":a:{var Ha,Ia=null,N=f[1];"?"==N&&(N=void 0);if(void 0!==N){var Ra=0;if("all"==N)Ra=1878917119,N=null;else if("on"==N)Ia=!0,N=null;else if("off"==N)Ia=!1,N=null;else{"keys"==N&&(N="key");"kbd"==N&&(N="keyboard");for(Ha in sb)if(N==Ha){Ra=sb[Ha];Ia=!!(a.sa&Ra);break}if(!Ra){a.g("unknown message category: "+N);break a}}if(Ra)if("on"==f[2])a.sa|=Ra,Ia=!0;else if("off"==f[2]&&(a.sa&=~Ra,Ia=!1,1073741824==Ra)){for(var zd=0;zd<a.ka.length;zd++)a.g(a.ka[zd]);a.ka=[]}}var tg=0,Sa="";for(Ha in sb)if(!N||
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+a.g("warning: port accesses can affect hardware state");break;case "p":if("print"==f[0]){Qf(a,b.substr(5));break}var tf="pr"==f[0]?1:0,wg=1+tf;if(a.P)a.g("step in progress");else{var Dd=W(a.b.R);switch(a.$(Dd)){case 205:a.P=wg,Se(Dd,3)}a.P?(a.Ya(a.j,Dd,!0),a.bb()||(a.B&&a.B.vb(),a.P=0)):Rf(a,tf?"tr":"t")}break;case "r":if("reset"==b){a.B&&a.B.reset();break}zf(a,f);break;case "s":Pf(a,f);break;case "t":Rf(a,f[0],f[1]);break;case "u":Af(a,f[1],f[2],8);break;case "v":if("var"==f[0]){Nf(a,b.substr(3))||
-(d=!1);break}a.g("PC8080 version 1.30.0 ("+a.b.kc+",RELEASE"+(rb?",TYPEDARRAYS":",LONGARRAYS")+")");a.g(ta());break;case "?":if(f[1]){Pf(a,b.substr(1));break}var Rb="commands:",Dd;for(Dd in Be)Rb+="\n"+la(Dd,9)+Be[Dd];Hd(a)||(Rb+="\nnote: frequency/history disabled if no exec breakpoints");a.g(Rb);break;default:a.g("unknown command: "+b),d=!1}}}catch(tf){a.g("debugger error: "+(tf.stack||tf.message)),d=!1}return d}function Cc(a,b,c){b=Oe(a,b,c);for(var d in b)if(!zf(a,b[d]))return!1;return!0}
+(d=!1);break}a.g("PC8080 version 1.30.0 ("+a.b.lc+",RELEASE"+(qb?",TYPEDARRAYS":",LONGARRAYS")+")");a.g(ta());break;case "?":if(f[1]){Qf(a,b.substr(1));break}var Qb="commands:",Ed;for(Ed in Me)Qb+="\n"+la(Ed,9)+Me[Ed];Hd(a)||(Qb+="\nnote: frequency/history disabled if no exec breakpoints");a.g(Qb);break;default:a.g("unknown command: "+b),d=!1}}}catch(uf){a.g("debugger error: "+(uf.stack||uf.message)),d=!1}return d}function pc(a,b,c){b=We(a,b,c);for(var d in b)if(!Ff(a,b[d]))return!1;return!0}
-Ma(function(){for(var a=C(document,"pc8080","debugger"),b=0;b<a.length;b++){var c=a[b],d=z(c),d=new we(d);hb(d,c)}});
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++Ad||a.wa,Ea=+Bd||10;isNaN(Q)?Q=Ea:Cd="more ";Q>aa.length&&(a.u("note: only "+aa.length+" available"),Q=aa.length);K-=Q;0>K&&(null==aa[aa.length-1].B?(Q=K+Q,K=0):K+=aa.length);var qc=[];"call"==Bd&&(Ea=1E5,qc=["CALL"]);for(void 0!==Ad&&a.u(Q+" instructions earlier:");0<Ea&&K!=a.W;){var Ed=aa[K++];if(null==Ed.B)break;var cb=W(Ed.B),ve=Q--,Fd=Ud(a,cb,"history",ve);(!qc.length||0<=Fd.indexOf(qc[0]))&&a.u(Fd);cb.Wa&&(K+=cb.Wa,Ea-=cb.Wa,Q-=cb.Wa);K>=aa.length&&(K=0);a.wa=Q;Dd++;Ea--}}Dd||(a.u("no "+Cd+
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+jb;break;case "stop":a.b.Ga=jb;break;default:a.u("unknown cs option");break a}void 0!==jb&&fc(a.b);a.u("checksums "+(a.b.A.Ea?"enabled":"disabled"));break;case "sp":void 0!==f[2]&&(kc(a.b,+f[2])||a.u("warning: using 1x multiplier, previous target not reached"));a.u("target speed: "+(a.b.Aa.toFixed(2)+"Mhz")+" ("+a.b.Ba+"x)");break;case "?":a.u("debugger options:");a.u("\tcs int #\tset checksum cycle interval to #");a.u("\tcs start #\tset checksum cycle start count to #");a.u("\tcs stop #\tset checksum cycle stop count to #");
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-(l.A.X=!1,!1===d&&(e=null)))}e&&(c?(g=d=!1,b?(a.j&&pe(a,a.j,f.toString()),ne(h)&&ne(f)||(e=null,d=g=!0)):a.i&&(d=!0,g=3==a.i),d&&f.clear(g)):e=f.toString());c&&(a.A.X=!1,b=a.K.power)&&(b.textContent="Power");a.w=0;return e}m.reset=function(){this.H&&this.H.reset&&(this.F&&nb(this,0)&&this.F.message("Resetting "+this.H.type,void 0),this.H.reset());for(var a=bb(this.id),b=0;b<a.length;b++){var c=a[b];c!==this&&c!==this.H&&c.reset&&(this.F&&nb(this,0)&&this.F.message("Resetting "+c.type,void 0),c.reset())}};
 m.start=function(a,b){for(var c=bb(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.start&&e.start(a,b)}};m.stop=function(a,b){for(var c=bb(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.stop&&e.stop(a,b)}};
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