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Merge branch 'master' into gh-pages

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This commit is contained in:
Jeff Parsons 2016-12-05 15:58:28 -08:00
commit 161a8e9bd7
15 changed files with 712 additions and 557 deletions
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6
docs/pcx86/examples/pcx86-dbg.js
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4
docs/pcx86/examples/pcx86.js
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89
modules/pc8080/lib/keyboard.js
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@ -111,7 +111,19 @@ Keyboard8080.WASDCODES[Keys.ASCII.D] = Keys.KEYCODE.RIGHT;
Keyboard8080.WASDCODES[Keys.ASCII.L] = Keys.KEYCODE.SPACE;
/*
* Supported configurations
* Supported keyboard configurations.
*
* A word (or two) about SOFTCODES. Their main purpose is to provide a naming convention for machine-specific
* controls, without tying us to any particular keyboard mapping. They are used in two main ways.
*
* First, if we have a binding to the machine's "screen", there will, at a minimum, be onkeydown and onkeyup
* handlers attached to the screen, and those handlers will need to iterate through the SOFTCODES table, looking
* for key codes that we care about and converting them to corresponding soft codes. Some machines, like
* Space Invaders, will then act directly upon the soft code (eg, converting it to a machine-specific status bit).
*
* Second, a machine may have other bindings (eg, buttons) to one or more of these soft codes, and those bindings
* will need to know which key codes they're supposed to generate. Some machines, like the VT100, will then use
* another table (KEYMAP) to convert key codes into a machine-specific "key addresses".
*/
Keyboard8080.SI1978 = {
MODEL: 1978.1,
@ -234,7 +246,7 @@ Keyboard8080.VT100 = {
ALTCODES: {},
LEDCODES: {},
SOFTCODES: {
'num-comma': Keys.KEYCODE.F5, // since modern keypads don't typically have a comma...
'num-comma': Keys.KEYCODE.F5,// since modern keypads don't typically have a comma...
'break': Keys.KEYCODE.F6,
'line-feed': Keys.KEYCODE.F7,
'no-scroll': Keys.KEYCODE.F8,
@ -312,17 +324,17 @@ Keyboard8080.MODELS = {
Keyboard8080.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
{
/*
* There's a special binding that the Video component uses ("kbd") to effectively bind its
* There's a special binding that the Video component uses ("screen") to effectively bind its
* screen to the entire keyboard, in Video.powerUp(); ie:
*
* video.kbd.setBinding("canvas", "kbd", video.canvasScreen);
* video.kbd.setBinding("canvas", "screen", video.canvasScreen);
* or:
* video.kbd.setBinding("textarea", "kbd", video.textareaScreen);
* video.kbd.setBinding("textarea", "screen", video.textareaScreen);
*
* However, it's also possible for the keyboard XML definition to define a control that serves
* a similar purpose; eg:
*
* <control type="text" binding="kbd" width="2em">Kbd</control>
* <control type="text" binding="kbd" width="2em">Keyboard</control>
*
* The latter is purely experimental, while we work on finding ways to trigger the soft keyboard on
* certain pesky devices (like the Kindle Fire). Note that even if you use the latter, the former will
@ -341,10 +353,11 @@ Keyboard8080.prototype.setBinding = function(sHTMLType, sBinding, control, sValu
switch (sBinding) {
case "kbd":
case "screen":
/*
* Recording the binding ID prevents multiple controls (or components) from attempting to erroneously
* bind a control to the same ID, but in the case of a "dual display" configuration, we actually want
* to allow BOTH video components to call setBinding() for "kbd", so that it doesn't matter which
* to allow BOTH video components to call setBinding() for "screen", so that it doesn't matter which
* display the user gives focus to.
*
* this.bindings[id] = control;
@ -366,14 +379,14 @@ Keyboard8080.prototype.setBinding = function(sHTMLType, sBinding, control, sValu
default:
if (this.config.SOFTCODES && this.config.SOFTCODES[sBinding] !== undefined) {
this.bindings[id] = control;
var fnDown = function(kbd, softCode) {
control.onclick = function(kbd, keyCode) {
return function onKeyboardBindingDown(event) {
/*
* iOS Usability Improvement: Calling preventDefault() prevents rapid clicks from
* also being (mis)interpreted as a desire to "zoom" in on the machine.
*/
if (event.preventDefault) event.preventDefault();
kbd.onSoftKeyDown(softCode, true);
kbd.onSoftKeyDown(keyCode, true, true);
/*
* I'm assuming we only need to give focus back on the "up" event...
*
@ -381,26 +394,38 @@ Keyboard8080.prototype.setBinding = function(sHTMLType, sBinding, control, sValu
*/
};
}(this, this.config.SOFTCODES[sBinding]);
var fnUp = function (kbd, softCode) {
return function onKeyboardBindingUp(event) {
kbd.onSoftKeyDown(softCode, false);
/*
* Give focus back to the machine (since clicking the button takes focus away).
*
* if (kbd.cmp) kbd.cmp.updateFocus();
*
* iOS Usability Improvement: NOT calling updateFocus() keeps the soft keyboard down
* (assuming it was already down).
*/
};
}(this, this.config.SOFTCODES[sBinding]);
if ('ontouchstart' in window) {
control.ontouchstart = fnDown;
control.ontouchend = fnUp;
} else {
control.onmousedown = fnDown;
control.onmouseup = control.onmouseout = fnUp;
}
//
// var fnUp = function (kbd, keyCode) {
// return function onKeyboardBindingUp(event) {
// kbd.onSoftKeyDown(keyCode, false);
// /*
// * Give focus back to the machine (since clicking the button takes focus away).
// *
// * if (kbd.cmp) kbd.cmp.updateFocus();
// *
// * iOS Usability Improvement: NOT calling updateFocus() keeps the soft keyboard down
// * (assuming it was already down).
// */
// };
// }(this, this.config.SOFTCODES[sBinding]);
//
// if ('ontouchstart' in window) {
// control.ontouchstart = fnDown;
// control.ontouchend = fnUp;
// } else {
// control.onmousedown = fnDown;
// control.onmouseup = control.onmouseout = fnUp;
// }
//
// UPDATE: Since the only controls that we explicitly bind to SOFTCODES are buttons, I'm simplifying
// the above code with a conventional "onclick" handler. The only corresponding change I had to make
// to the onclick (formerly fnDown) function was to set fAutoRelease on its call to onSoftKeyDown(),
// since we're no longer attempting to detect when the control (ie, the button) is actually released.
//
// This change also resolves a problem I ran into with the Epiphany (WebKit-based) web browser running
// on the "elementary" (Ubuntu-based) OS, where clicks on the SET-UP button were ignored; perhaps its
// buttons don't generate mouse and/or touch events. Anyway, an argument for keeping things simple.
//
return true;
}
break;
@ -848,17 +873,17 @@ Keyboard8080.prototype.onSoftKeyDown = function(softCode, fDown, fAutoRelease)
var i = this.indexOfSoftKey(softCode);
if (fDown) {
// this.println(softCode + " down");
fAutoRelease = fAutoRelease || false;
if (i < 0) {
this.aKeysActive.push({
softCode: softCode,
msDown: Date.now(),
fAutoRelease: fAutoRelease
fAutoRelease: fAutoRelease || false
});
} else {
this.aKeysActive[i].msDown = Date.now();
this.aKeysActive[i].fAutoRelease = fAutoRelease;
this.aKeysActive[i].fAutoRelease = fAutoRelease || false;
}
if (fAutoRelease) this.checkSoftKeysToRelease(); // prime the pump
} else if (i >= 0) {
// this.println(softCode + " up");
if (!this.aKeysActive[i].fAutoRelease) {

2
modules/pc8080/lib/video.js
View file

@ -421,7 +421,7 @@ Video8080.prototype.initBus = function(cmp, bus, cpu, dbg)
this.kbd.setBinding("led", s, this.ledBindings[s]);
}
if (this.canvasScreen) {
this.kbd.setBinding(this.textareaScreen? "textarea" : "canvas", "kbd", this.inputScreen);
this.kbd.setBinding(this.textareaScreen? "textarea" : "canvas", "screen", this.inputScreen);
}
}

11
modules/pcx86/lib/keyboard.js
View file

@ -951,17 +951,17 @@ Keyboard.LIMIT = {
Keyboard.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
{
/*
* There's a special binding that the Video component uses ("kbd") to effectively bind its
* There's a special binding that the Video component uses ("screen") to effectively bind its
* screen to the entire keyboard, in Video.powerUp(); ie:
*
* video.kbd.setBinding("canvas", "kbd", video.canvasScreen);
* video.kbd.setBinding("canvas", "screen", video.canvasScreen);
* or:
* video.kbd.setBinding("textarea", "kbd", video.textareaScreen);
* video.kbd.setBinding("textarea", "screen", video.textareaScreen);
*
* However, it's also possible for the keyboard XML definition to define a control that serves
* a similar purpose; eg:
*
* <control type="text" binding="kbd" width="2em">Kbd</control>
* <control type="text" binding="kbd" width="2em">Keyboard</control>
*
* The latter is purely experimental, while we work on finding ways to trigger the soft keyboard on
* certain pesky devices (like the Kindle Fire). Note that even if you use the latter, the former will
@ -974,10 +974,11 @@ Keyboard.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
if (this.bindings[id] === undefined) {
switch (sBinding) {
case "kbd":
case "screen":
/*
* Recording the binding ID prevents multiple controls (or components) from attempting to erroneously
* bind a control to the same ID, but in the case of a "dual display" configuration, we actually want
* to allow BOTH video components to call setBinding() for "kbd", so that it doesn't matter which
* to allow BOTH video components to call setBinding() for "screen", so that it doesn't matter which
* display the user gives focus to.
*
* this.bindings[id] = control;

2
modules/pcx86/lib/video.js
View file

@ -2961,7 +2961,7 @@ Video.prototype.initBus = function(cmp, bus, cpu, dbg)
for (var s in this.bindings) {
if (s.indexOf("lock") > 0) this.kbd.setBinding("led", s, this.bindings[s]);
}
this.kbd.setBinding(this.textareaScreen? "textarea" : "canvas", "kbd", this.inputScreen);
this.kbd.setBinding(this.textareaScreen? "textarea" : "canvas", "screen", this.inputScreen);
}
this.bEGASwitches = 0x09; // our default "switches" setting (see aEGAMonitorSwitches)

84
modules/pdp11/lib/bus.js
View file

@ -177,7 +177,7 @@ BusPDP11.IOHANDLER = {
WRITE_BYTE: 1,
READ_WORD: 2,
WRITE_WORD: 3,
NAME: 4,
REG_NAME: 4,
MSG_CATEGORY: 5,
DBG_BREAK: 6
};
@ -235,6 +235,10 @@ BusPDP11.IOController = {
var bus = this.controller;
var afn = bus.aIOHandlers[off];
if (DEBUGGER && this.dbg) {
this.dbg.checkMemoryRead(addr, 1);
}
/*
* Since addr is primarily used to advise an I/O handler of the target IOPAGE address, and since we don't want
* our handlers to worry about the current IOPAGE location, we truncate addr to 16 bits (the IOPAGE's lowest location).
@ -268,7 +272,7 @@ BusPDP11.IOController = {
}
if (b >= 0) {
if (DEBUGGER && this.dbg && this.dbg.messageEnabled(MessagesPDP11.BUS | afn[BusPDP11.IOHANDLER.MSG_CATEGORY])) {
this.dbg.printMessage(afn[BusPDP11.IOHANDLER.NAME] + ".readByte(" + this.dbg.toStrBase(addr) + "): " + this.dbg.toStrBase(b), true, !bus.nDisableFaults);
this.dbg.printMessage(afn[BusPDP11.IOHANDLER.REG_NAME] + ".readByte(" + this.dbg.toStrBase(addr) + "): " + this.dbg.toStrBase(b), true, !bus.nDisableFaults);
}
return b;
}
@ -295,6 +299,10 @@ BusPDP11.IOController = {
var bus = this.controller;
var afn = bus.aIOHandlers[off];
if (DEBUGGER && this.dbg) {
this.dbg.checkMemoryWrite(addr, 1);
}
/*
* Since addr is primarily used to advise an I/O handler of the target IOPAGE address, and since we don't want
* our handlers to worry about the current IOPAGE location, we truncate addr to 16 bits (the IOPAGE's lowest location).
@ -349,7 +357,7 @@ BusPDP11.IOController = {
}
if (fWrite) {
if (DEBUGGER && this.dbg && this.dbg.messageEnabled(MessagesPDP11.BUS | afn[BusPDP11.IOHANDLER.MSG_CATEGORY])) {
this.dbg.printMessage(afn[BusPDP11.IOHANDLER.NAME] + ".writeByte(" + this.dbg.toStrBase(addr) + "," + this.dbg.toStrBase(b) + ")", true, !bus.nDisableFaults);
this.dbg.printMessage(afn[BusPDP11.IOHANDLER.REG_NAME] + ".writeByte(" + this.dbg.toStrBase(addr) + "," + this.dbg.toStrBase(b) + ")", true, !bus.nDisableFaults);
}
return;
}
@ -373,6 +381,10 @@ BusPDP11.IOController = {
var bus = this.controller;
var afn = bus.aIOHandlers[off];
if (DEBUGGER && this.dbg) {
this.dbg.checkMemoryRead(addr, 2);
}
/*
* Since addr is primarily used to advise an I/O handler of the target IOPAGE address, and since we don't want
* our handlers to worry about the current IOPAGE location, we truncate addr to 16 bits (the IOPAGE's lowest location).
@ -388,7 +400,7 @@ BusPDP11.IOController = {
}
if (w >= 0) {
if (DEBUGGER && this.dbg && this.dbg.messageEnabled(MessagesPDP11.BUS | afn[BusPDP11.IOHANDLER.MSG_CATEGORY])) {
this.dbg.printMessage(afn[BusPDP11.IOHANDLER.NAME] + ".readWord(" + this.dbg.toStrBase(addr) + "): " + this.dbg.toStrBase(w), true, !bus.nDisableFaults);
this.dbg.printMessage(afn[BusPDP11.IOHANDLER.REG_NAME] + ".readWord(" + this.dbg.toStrBase(addr) + "): " + this.dbg.toStrBase(w), true, !bus.nDisableFaults);
}
return w;
}
@ -414,6 +426,10 @@ BusPDP11.IOController = {
var bus = this.controller;
var afn = bus.aIOHandlers[off];
if (DEBUGGER && this.dbg) {
this.dbg.checkMemoryWrite(addr, 2);
}
/*
* Since addr is primarily used to advise an I/O handler of the target IOPAGE address, and since we don't want
* our handlers to worry about the current IOPAGE location, we truncate addr to 16 bits (the IOPAGE's lowest location).
@ -432,7 +448,7 @@ BusPDP11.IOController = {
}
if (fWrite) {
if (DEBUGGER && this.dbg && this.dbg.messageEnabled(MessagesPDP11.BUS | afn[BusPDP11.IOHANDLER.MSG_CATEGORY])) {
this.dbg.printMessage(afn[BusPDP11.IOHANDLER.NAME] + ".writeWord(" + this.dbg.toStrBase(addr) + "," + this.dbg.toStrBase(w) + ")", true, !bus.nDisableFaults);
this.dbg.printMessage(afn[BusPDP11.IOHANDLER.REG_NAME] + ".writeWord(" + this.dbg.toStrBase(addr) + "," + this.dbg.toStrBase(w) + ")", true, !bus.nDisableFaults);
}
return;
}
@ -467,11 +483,14 @@ BusPDP11.prototype.initMemory = function()
for (var iBlock = 0; iBlock < this.nBlockTotal; iBlock++) {
this.aBusBlocks[iBlock] = this.aMemBlocks[iBlock] = block;
}
/*
* NOTE: Don't confuse the Bus addrIOPage with the CPU's addrIOPage; ours is fixed,
* based on the machine's Bus width, whereas the CPU's varies according to the MMU setting.
*/
this.addrIOPage = this.addrTotal - BusPDP11.IOPAGE_LENGTH;
this.addMemory(this.addrIOPage, BusPDP11.IOPAGE_LENGTH, MemoryPDP11.TYPE.CONTROLLER, this);
var addrIOPage = this.addrTotal - BusPDP11.IOPAGE_LENGTH;
this.addMemory(addrIOPage, BusPDP11.IOPAGE_LENGTH, MemoryPDP11.TYPE.CONTROLLER, this);
this.iBlockIOPageBus = (addrIOPage & this.nBusMask) >>> this.nBlockShift;
this.iBlockIOPageBus = (this.addrIOPage & this.nBusMask) >>> this.nBlockShift;
this.iBlockIOPageMem = this.iBlockIOPageBus;
this.nIOPageRange = 0;
@ -1224,13 +1243,16 @@ BusPDP11.prototype.getMemoryLimit = function(type)
*/
BusPDP11.prototype.addIOHandlers = function(start, end, fnReadByte, fnWriteByte, fnReadWord, fnWriteWord, message, sName)
{
var index = (start == end? -1 : 0);
for (var addr = start; addr <= end; addr += 2) {
var off = addr & BusPDP11.IOPAGE_MASK;
if (this.aIOHandlers[off] !== undefined) {
Component.warning("I/O address already registered: " + str.toHexLong(addr));
return false;
}
this.aIOHandlers[off] = [fnReadByte, fnWriteByte, fnReadWord, fnWriteWord, sName || "unknown", message || MessagesPDP11.BUS, false];
var s = sName || "unknown";
if (s && index >= 0) s += index++;
this.aIOHandlers[off] = [fnReadByte, fnWriteByte, fnReadWord, fnWriteWord, s, message || MessagesPDP11.BUS, false];
if (MAXDEBUG) this.log("addIOHandlers(" + str.toHexLong(addr) + ")");
}
return true;
@ -1298,6 +1320,48 @@ BusPDP11.prototype.addIOTable = function(component, table, offReg)
return true;
};
/**
* getAddrInfo(addr)
*
* Determine if the physical address is a known IOPAGE address, and return information about it (ie, the name).
*
* @this {BusPDP11}
* @param {number} addr (physical)
* @return {string|null}
*/
BusPDP11.prototype.getAddrInfo = function(addr)
{
var sName = null;
if (addr >= this.addrIOPage) {
var off = addr & BusPDP11.IOPAGE_MASK;
var afn = this.aIOHandlers[off];
if (afn) sName = afn[BusPDP11.IOHANDLER.REG_NAME];
}
return sName;
};
/**
* getAddrByName(sName)
*
* Determine if the specified name has a corresponding physical address.
*
* @this {BusPDP11}
* @param {string} sName
* @return {number|null}
*/
BusPDP11.prototype.getAddrByName = function(sName)
{
sName = sName.toUpperCase();
for (var i in this.aIOHandlers) {
var off = +i;
var afn = this.aIOHandlers[off];
if (afn[BusPDP11.IOHANDLER.REG_NAME] == sName) {
return off + this.addrIOPage;
}
}
return null;
};
/**
* addResetHandler(fnReset)
*

68
modules/pdp11/lib/debugger.js
View file

@ -1250,6 +1250,20 @@ if (DEBUGGER) {
return value;
};
/**
* getSymbolValue(sSymbol)
*
* NOTE: At this time, the only symbols we support are those IOPAGE symbols that the Bus component knows about.
*
* @this {DebuggerPDP11}
* @param {string} sSymbol
* @return {number|undefined|null}
*/
DebuggerPDP11.prototype.getSymbolValue = function(sSymbol)
{
return this.bus.getAddrByName(sSymbol);
};
/**
* replaceRegs(s)
*
@ -2206,8 +2220,7 @@ if (DEBUGGER) {
/*
* If getOperand() returns an Array rather than a string, then the first element is the original
* operand, and the second element contains an alternate representation of the operand (eg, target
* address, memory contents, etc).
* operand, and the second element contains additional information (eg, the target) of the operand.
*/
if (typeof sOperand != "string") {
sTarget = sOperand[1];
@ -2239,7 +2252,10 @@ if (DEBUGGER) {
var nCycles = this.cpu.getCycles();
sLine += "cycles=" + nCycles.toString() + " cs=" + str.toHex(this.cpu.nChecksum);
}
if (sTarget) sLine += " @" + sTarget;
if (sTarget) {
if (sLine.slice(-1) != ';') sLine += ' ';
sLine += sTarget;
}
}
return sLine;
};
@ -2248,11 +2264,8 @@ if (DEBUGGER) {
* getOperand(opCode, opType, dbgAddr)
*
* If getOperand() returns an Array rather than a string, then the first element is the original
* operand, and the second element is a comment containing an alternate representation of the operand.
*
* TODO: For PC-relative addresses, we now return the effective address directly, rather than as the
* second element of an Array; however, I still envision using Array return values to include current
* memory operands, so support for such values is being left in place.
* operand, and the second element is a comment containing additional information (eg, the target)
* of the operand.
*
* @this {DebuggerPDP11}
* @param {number} opCode
@ -2295,6 +2308,7 @@ if (DEBUGGER) {
* Isolate all OP_SRC or OP_DST bits from opcode in the opMode variable.
*/
var opMode = opCode & opType;
/*
* Convert OP_SRC bits into OP_DST bits, since they use the same format.
*/
@ -2304,18 +2318,23 @@ if (DEBUGGER) {
}
if (opType & DebuggerPDP11.OP_DST) {
var wIndex;
var sTarget = null;
var reg = opMode & DebuggerPDP11.OP_DSTREG;
/*
* Note that opcodes that specify only REG bits in the opType mask (ie, no MOD bits)
* will automatically default to OPMODE_REG below.
*/
switch((opMode & DebuggerPDP11.OP_DSTMODE)) {
case PDP11.OPMODE.REG: // 0x0: REGISTER
sOperand = this.getRegName(reg);
break;
case PDP11.OPMODE.REGD: // 0x1: REGISTER DEFERRED
sOperand = '@' + this.getRegName(reg);
sTarget = this.getTarget(this.cpu.regsGen[reg]);
break;
case PDP11.OPMODE.POSTINC: // 0x2: POST-INCREMENT
if (reg < 7) {
sOperand = '(' + this.getRegName(reg) + ")+";
@ -2327,6 +2346,7 @@ if (DEBUGGER) {
sOperand = '#' + this.toStrBase(wIndex, 0, true);
}
break;
case PDP11.OPMODE.POSTINCD: // 0x3: POST-INCREMENT DEFERRED
if (reg < 7) {
sOperand = "@(" + this.getRegName(reg) + ")+";
@ -2336,14 +2356,18 @@ if (DEBUGGER) {
*/
wIndex = this.getWord(dbgAddr, 2);
sOperand = "@#" + this.toStrBase(wIndex, 0, true);
sTarget = this.getTarget(wIndex);
}
break;
case PDP11.OPMODE.PREDEC: // 0x4: PRE-DECREMENT
sOperand = "-(" + this.getRegName(reg) + ")";
break;
case PDP11.OPMODE.PREDECD: // 0x5: PRE-DECREMENT DEFERRED
sOperand = "@-(" + this.getRegName(reg) + ")";
break;
case PDP11.OPMODE.INDEX: // 0x6: INDEX
wIndex = this.getWord(dbgAddr, 2);
sOperand = this.toStrBase(wIndex, 0, true) + '(' + this.getRegName(reg) + ')';
@ -2362,9 +2386,11 @@ if (DEBUGGER) {
*
* sOperand = [sOperand, this.toStrBase((wIndex + dbgAddr.addr) & 0xffff)];
*/
sOperand = this.toStrBase((wIndex + dbgAddr.addr) & 0xffff);
sOperand = this.toStrBase(wIndex = (wIndex + dbgAddr.addr) & 0xffff);
sTarget = this.getTarget(wIndex);
}
break;
case PDP11.OPMODE.INDEXD: // 0x7: INDEX DEFERRED
wIndex = this.getWord(dbgAddr, 2);
sOperand = '@' + this.toStrBase(wIndex) + '(' + this.getRegName(reg) + ')';
@ -2375,13 +2401,17 @@ if (DEBUGGER) {
*
* sOperand = [sOperand, this.toStrBase((wIndex + dbgAddr.addr) & 0xffff)];
*/
sOperand = '@' + this.toStrBase((wIndex + dbgAddr.addr) & 0xffff);
sOperand = '@' + this.toStrBase(wIndex = (wIndex + dbgAddr.addr) & 0xffff);
sTarget = this.getTarget(this.cpu.getWordSafe(wIndex));
}
break;
default:
this.assert(false);
break;
}
if (sTarget) sOperand = [sOperand, sTarget];
}
else {
this.assert(false);
@ -2390,6 +2420,24 @@ if (DEBUGGER) {
return sOperand;
};
/**
* getTarget(addr)
*
* @this {DebuggerPDP11}
* @param {number} addr
* @return {string|null}
*/
DebuggerPDP11.prototype.getTarget = function(addr)
{
var sTarget = null;
var a = this.cpu.getAddrInfo(addr);
var addrPhysical = a[0];
if (addrPhysical >= this.cpu.addrIOPage && addrPhysical < this.bus.addrIOPage) {
addrPhysical = (addrPhysical - this.cpu.addrIOPage) + this.bus.addrIOPage;
}
return this.bus.getAddrInfo(addrPhysical);
};
/**
* parseInstruction(sOp, sOperand, addr)
*

21
modules/shared/lib/debugger.js
View file

@ -179,6 +179,20 @@ if (DEBUGGER) {
return undefined;
};
/**
* getSymbolValue(sSymbol)
*
* NOTE: This must be implemented by the individual debuggers.
*
* @this {Debugger}
* @param {string} sSymbol
* @return {number|undefined|null}
*/
Debugger.prototype.getSymbolValue = function(sSymbol)
{
return undefined;
};
/**
* parseAddrReference(s, sAddr)
*
@ -577,7 +591,12 @@ if (DEBUGGER) {
value = this.getRegValue(iReg);
} else {
value = this.getVariable(sValue);
if (value == null) value = str.parseInt(sValue, this.nBase);
if (value == null) {
value = this.getSymbolValue(sValue);
if (value == null) {
value = str.parseInt(sValue, this.nBase);
}
}
}
if (value == null && !fQuiet) this.println("invalid " + (sName? sName : "value") + ": " + sValue);
} else {

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