[bug]fixup obsolete css file reference in browsertrouble.html

[bug]typo: fixed B bit of status register
add z and x to expert mode help text
2025-07-08 13:24:09 +00:00 · 2010-11-27 15:58:46 +00:00 · 2010-11-27 14:30:19 +00:00 · 2010-11-27 14:19:57 +00:00 · 2010-11-27 13:54:31 +00:00 · 2010-11-27 12:37:14 +00:00
9 changed files with 418 additions and 79 deletions
--- a/browsertrouble.html
+++ b/browsertrouble.html
@ -2,7 +2,7 @@

 <head>
 <title>Visual 6502 in JavaScript</title>
-<style type="text/css">@import "wires.css";</style>
+<style type="text/css">@import "kiosk.css";</style>
 </head>

 <body>
--- a/expert.css
+++ b/expert.css
@ -138,6 +138,14 @@ a#linkHere{
 padding:2px;
 }

+textarea#consolebox{
+ font-family:courier,monospace;
+ border: 1px solid gray;
+ margin: 2px;
+ padding: 2px;
+ width: 80em;
+}
+
 div#logstreamscroller{
 overflow:auto;
 }
@ -145,10 +153,31 @@ div#logstreamscroller{
 table.logstream {
 font-family: monospace;
 font-size: 12px;
- border-spacing: 2px;
+ border-collapse: collapse;
 text-align:center;
 }

+td {
+ padding-left: 3px;
+ padding-right: 3px;
+}
+
+td.header {
+ background-color: rgb(187, 204, 255);  /* medium-dark blue */
+}
+
+td.oddcol {
+ background-color: rgb(227, 233, 255);  /* light blue */
+}
+
+td.oddrow {
+ background-color: rgb(207, 218, 255);  /* medium blue */
+}
+
+td.oddrowcol {
+ background-color: rgb(227, 233, 255);  /* light blue */
+}
+
 /* Splitter */
 #frame {
 height: 750px;
@ -197,5 +226,3 @@ span#plain {
 display: block;
 margin-bottom: 4px;
 }
-
-
--- a/expert.html
+++ b/expert.html
@ -76,7 +76,7 @@ $().ready(function(){
  </form>
 </div>
 <div id="layoutControlPanel">
-  Use '>' to zoom in, '<' to zoom out, click to probe signals and drag to pan.
+  Use 'z' or '>' to zoom in, 'x' or '<' to zoom out, click to probe signals and drag to pan.
  <form id="updateShow"> Show:
  <input type="checkbox" name="1" id="updateShow1" onchange="updateShow(this.name,this.checked)" />(diffusion)
  <input type="checkbox" name="3" id="updateShow3" onchange="updateShow(this.name,this.checked)" />(grounded diffusion)
@ -85,7 +85,7 @@ $().ready(function(){
  <input type="checkbox" name="0" id="updateShow0" onchange="updateShow(this.name,this.checked)" />(metal)
  <input type="checkbox" name="2" id="updateShow2" onchange="updateShow(this.name,this.checked)" />(protection)
  </form>
-  <form action="javascript:hiliteNodeList();" />
+  <form action="javascript:hiliteNodeList();">
  <input type="button" value="Highlight:" onclick="hiliteNodeList();" />
  <input type="text" id="HighlightThese" name="HighlightThese" value="" />
  <input type="button" value="Clear Highlighting" onclick="clearHighlight();" />
@ -114,6 +114,10 @@ $().ready(function(){
    <a href ="javascript:goUntilSyncOrWrite()"><img class="navbutton" src="images/singlestep.png" title="step"></a>
    <a href ="javascript:goFor()"><img class="navbutton" src="images/fastforward.png" title="fastforward"></a>
  </div>
+  <div style="float:right;">
+    <a href="http://visual6502.org/wiki/index.php?title=JssimUserHelp" target="_blank">User Guide</a>
+    &nbsp;
+  </div>
 </div>  <!-- buttons -->
 <div class="status" id="status"><p>x: 0<br>y: 0</p>
 </div> <!-- status -->
@ -124,7 +128,10 @@ $().ready(function(){
 </div> <!-- righttopdiv -->

   <div id="tracingdiv">
-	<div id="expertControlPanel">
+        <textarea id="consolebox">
+click here and type if your program handles input
+        </textarea>
+	<div id="expertControlPanel" tabindex="3">
 	  <form action="javascript:updateLogList()">
 	  <input type="button" value="Trace more" onclick="updateLoglevel(++loglevel)" />
 	  <input type="button" value="Trace less" onclick="updateLoglevel(--loglevel)" />
--- a/expertWires.js
+++ b/expertWires.js
@ -103,6 +103,7 @@ function setup_part4(){
 	setupNodeNameList();
 	logThese=signalSet(loglevel);
 	loadProgram();
+	setupConsole();
 	if(noSimulation){
 		stopChip();
 		running=undefined;
@ -187,6 +188,14 @@ function setupParams(){
 			clockTriggers[value]="setLow('res');";
 		} else if(name=="reset1" && parseInt(value)!=NaN){
 			clockTriggers[value]="setHigh('res');";
+		} else if(name=="irq0" && parseInt(value)!=NaN){
+			clockTriggers[value]="setLow('irq');";
+		} else if(name=="irq1" && parseInt(value)!=NaN){
+			clockTriggers[value]="setHigh('irq');";
+		} else if(name=="nmi0" && parseInt(value)!=NaN){
+			clockTriggers[value]="setLow('nmi');";
+		} else if(name=="nmi1" && parseInt(value)!=NaN){
+			clockTriggers[value]="setHigh('nmi');";
 		} else
 		// run a test program, and optionally check against a golden checksum
 		if(name=="steps" && parseInt(value)!=NaN){
@ -352,6 +361,14 @@ function setupExpertMode(isOn){
 		document.getElementById('layoutControlPanel').style.display = 'block';
 }

+var consolegetc;    // global variable to hold last keypress in the console area
+var consolebox;
+
+function setupConsole(){
+	consolebox=document.getElementById('consolebox');
+	consolebox.onkeypress=function(e){consolegetc=e.charCode;};
+}
+
 var chipsurround;

 function updateChipLayoutVisibility(isOn){
--- a/index.html
+++ b/index.html
@ -12,8 +12,8 @@
 <script src="wires.js"></script>
 <script src="chipsim.js"></script>
 <script src="memtable.js"></script>
-<script src="testprogram.js"></script>
 <script src="macros.js"></script>
+<script src="testprogram.js"></script>

 <script type="text/javascript">
 function handleOnload() {
@ -62,11 +62,11 @@ lots of RAM. If you have trouble, please <a href="browsertrouble.html">check com
 <br />
 <span id="browsertrouble"></span>
 <br />
-Hit '>' to zoom in, '<' to zoom out
+Keyboard controls: 'z' to zoom in, 'x' to zoom out, 'n' to step the simulation.
 <br />
-Left-click and drag to scroll around
+Mouse controls: Left-click and drag to scroll around (when you're zoomed in.)
 <br />
-Enter your own program into the array of RAM
+More information in the <a href="http://visual6502.org/wiki/index.php?title=JssimUserHelp">User Guide<a>.
 <br />
 <br /> 
 </span>
--- a/kioskWires.js
+++ b/kioskWires.js
@ -88,6 +88,7 @@ function setup_part2(){

 function setup_part3(){
 	loadProgram();
+	writeTriggers={};  // kiosk mode does not handle I/O
 	initChip();
 	document.getElementById('stop').style.visibility = 'hidden';
 	go();
@ -103,9 +104,9 @@ function setup_part3(){
 function handleKey(e){
 	var c = e.charCode;
 	c = String.fromCharCode(c);
-	if('<>?np'.indexOf(c)==-1) return;
-	if(c=='<' && zoom>1) setZoom(zoom/1.2);
-	else if(c=='>' && zoom<grMaxZoom) setZoom(zoom*1.2);
+	if('zx<>?np'.indexOf(c)==-1) return;
+	if((c=='x' || c=='<') && zoom>1) setZoom(zoom/1.2);
+	else if((c=='z' || c=='>') && zoom<grMaxZoom) setZoom(zoom*1.2);
 	else if(c=='?') setZoom(1);
 	else if(c=='n') stepForward();
 	else if(c=='p') stepBack();
--- a/macros.js
+++ b/macros.js
@ -1,5 +1,5 @@
 /*
- Copyright (c) 2010 Brian Silverman, Barry Silverman, Ed Spittles
+ Copyright (c) 2010 Brian Silverman, Barry Silverman, Ed Spittles, Achim Breidenbach

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@ -28,11 +28,12 @@ var running = false;
 var logThese=[];
 var presetLogLists=[
 		['cycle'],
-		['ab','db','rw','sync','pc','a','x','y','s','p'],
-		['ir','tcstate','pd'],
+		['ab','db','rw','Fetch','pc','a','x','y','s','p'],
+		['Execute','State'],
+		['ir','tcstate','-pd'],
 		['adl','adh','sb','alu'],
 		['alucin','alua','alub','alucout','aluvout','dasb'],
-		['plaOutputs'],
+		['plaOutputs','DPControl'],
 		['idb','dor'],
 		['irq','nmi','res'],
 	];
@ -209,24 +210,42 @@ function step(){
 }

 // triggers for breakpoints, watchpoints, input pin events
+// almost always are undefined when tested, so minimal impact on performance
 clockTriggers={};
+writeTriggers={};
+readTriggers={};
+fetchTriggers={};
+
+// example instruction tracing triggers
+// fetchTriggers[0x20]="console.log('0x'+readAddressBus().toString(16)+': JSR');";
+// fetchTriggers[0x60]="console.log('0x'+readAddressBus().toString(16)+': RTS');";
+// fetchTriggers[0x4c]="console.log('0x'+readAddressBus().toString(16)+': JMP');";

 // simulate a single clock phase with no update to graphics or trace
 function halfStep(){
 	var clk = isNodeHigh(nodenames['clk0']);
-	eval(clockTriggers[cycle]);  // usually undefined, no measurable performance loss
+	eval(clockTriggers[cycle]);
 	if (clk) {setLow('clk0'); handleBusRead(); } 
 	else {setHigh('clk0'); handleBusWrite();}
 }

 function handleBusRead(){
-	if(isNodeHigh(nodenames['rw'])) writeDataBus(mRead(readAddressBus()));
+	if(isNodeHigh(nodenames['rw'])){
+		var a = readAddressBus();
+		var d = eval(readTriggers[a]);
+		if(d == undefined)
+			d = mRead(readAddressBus());
+		if(isNodeHigh(nodenames['sync']))
+			eval(fetchTriggers[d]);
+		writeDataBus(d);
+	}
 }

 function handleBusWrite(){
 	if(!isNodeHigh(nodenames['rw'])){
 		var a = readAddressBus();
 		var d = readDataBus();
+		eval(writeTriggers[a]);
 		mWrite(a,d);
 		if(a<0x200) setCellValue(a,d);
 	}
@ -243,7 +262,7 @@ function readPstring(){
   result = (isNodeHigh(nodenames['p7'])?'N':'n') +
            (isNodeHigh(nodenames['p6'])?'V':'v') +
            '&#8209' +  // non-breaking hyphen
-            (isNodeHigh(nodenames['p3'])?'B':'b') +
+            (isNodeHigh(nodenames['p4'])?'B':'b') +
            (isNodeHigh(nodenames['p3'])?'D':'d') +
            (isNodeHigh(nodenames['p2'])?'I':'i') +
            (isNodeHigh(nodenames['p1'])?'Z':'z') +
@ -255,18 +274,31 @@ function readPC(){return (readBits('pch', 8)<<8) + readBits('pcl', 8);}
 function readPCL(){return readBits('pcl', 8);}
 function readPCH(){return readBits('pch', 8);}

-function listActivePlaOutputs(){
-	// PLA outputs are mostly ^op- but some have a prefix too
-	//    - we'll allow the x and xx prefix but ignore the #
-	var r=new RegExp('^([x]?x-)?op-');
-	var pla=[];
+// for one-hot or few-hot signal collections we want to list the active ones
+// and for brevity we remove the common prefix
+function listActiveSignals(pattern){
+	var r=new RegExp(pattern);
+	var list=[];
 	for(var i in nodenamelist){
 		if(r.test(nodenamelist[i])) {
 			if(isNodeHigh(nodenames[nodenamelist[i]]))
-				pla.push(nodenamelist[i]);
+				// also map hyphen to a non-breaking version
+				list.push(nodenamelist[i].replace(r,'').replace(/-/g,'&#8209'));
 		}
 	}
-	return pla;
+	return list;
+}
+
+// The 6502 TCState is almost but not quite an inverted one-hot shift register
+function listActiveTCStates() {
+	var s=[];
+	if(!isNodeHigh(nodenames['clock1']))	s.push("T0");
+	if(!isNodeHigh(nodenames['clock2']))	s.push("T1");
+	if(!isNodeHigh(nodenames['t2']))	s.push("T2");
+	if(!isNodeHigh(nodenames['t3']))	s.push("T3");
+	if(!isNodeHigh(nodenames['t4']))	s.push("T4");
+	if(!isNodeHigh(nodenames['t5']))	s.push("T5");
+	return s.join("+");
 }

 function readBit(name){
@ -284,6 +316,7 @@ function readBits(name, n){
 function busToString(busname){
 	// takes a signal name or prefix
 	// returns an appropriate string representation
+	// some 'signal names' are CPU-specific aliases to user-friendly string output
 	if(busname=='cycle')
 		return cycle>>1;
 	if(busname=='pc')
@ -292,15 +325,34 @@ function busToString(busname){
 		return readPstring();
 	if(busname=='tcstate')
 		return ['clock1','clock2','t2','t3','t4','t5'].map(busToHex).join("");
+	if(busname=='State')
+		return listActiveTCStates();
+	if(busname=='Execute')
+		return dis6502toHTML(readBits('ir',8));
+	if(busname=='Fetch')
+		return isNodeHigh(nodenames['sync'])?dis6502toHTML(readDataBus()):"";
 	if(busname=='plaOutputs')
-		return listActivePlaOutputs();
-	return busToHex(busname);
+		// PLA outputs are mostly ^op- but some have a prefix too
+		//    - we'll allow the x and xx prefix but ignore the #
+		return listActiveSignals('^([x]?x-)?op-');
+	if(busname=='DPControl')
+		return listActiveSignals('^dpc[0-9]+_');
+	if(busname[0]=="-"){
+		// invert the value of the bus for display
+		var value=busToHex(busname.slice(1))
+		if(typeof value != "undefined")
+			return value.replace(/./g,function(x){return (15-parseInt(x,16)).toString(16)});
+		else
+			return undefined;;
+	} else {
+		return busToHex(busname);
+	}
 }

 function busToHex(busname){
 	// may be passed a bus or a signal, so allow multiple signals
 	var width=0;
-	var r=new RegExp('^' + busname + '[0-9]');
+	var r=new RegExp('^' + busname + '[0-9]+$');
 	for(var i in nodenamelist){
 		if(r.test(nodenamelist[i])) {
 			width++;
@ -407,25 +459,56 @@ function chipStatus(){
 	        ' Y:' + hexByte(readY()) +
 	        ' SP:' + hexByte(readSP()) +
 	        ' ' + readPstring();
-	var chk='';
-	if(goldenChecksum != undefined)
-		chk=" Chk:" + traceChecksum + ((traceChecksum==goldenChecksum)?" OK":" no match");
-	setStatus(machine1, machine2, "Hz: " + estimatedHz().toFixed(1) + chk);
+	var machine3 = 
+		'Hz: ' + estimatedHz().toFixed(1);
+	if(typeof expertMode != "undefined") {
+		machine3 += ' Exec: ' + busToString('Execute') + '(' + busToString('State') + ')';
+		if(isNodeHigh(nodenames['sync']))
+			machine3 += ' (Fetch: ' + busToString('Fetch') + ')';
+		if(goldenChecksum != undefined)
+			machine3 += " Chk:" + traceChecksum + ((traceChecksum==goldenChecksum)?" OK":" no match");
+	}
+	setStatus(machine1, machine2, machine3);
 	if (loglevel>0) {
 		updateLogbox(logThese);
 	}
 	selectCell(ab);
 }

+// run for an extended number of cycles, with low overhead, for interactive programs or for benchmarking
+//    note: to run an interactive program, use an URL like
+//    http://visual6502.org/JSSim/expert.html?graphics=f&loglevel=-1&headlesssteps=-500
 function goFor(){
-	var n = headlessSteps;
-	estimatedHz1();
+	var n = headlessSteps;  //  a negative value is a request to free-run
+	if(headlessSteps<0)
+		n=-n;
+	var start = document.getElementById('start');
+	var stop = document.getElementById('stop');
+	start.style.visibility = 'hidden';
+	stop.style.visibility = 'visible';
+	if(typeof running == "undefined") {
+		initChip();
+	}
+	running = true;
+	setTimeout("instantaneousHz(); goForN("+n+")",0);
+}
+
+// helper function: allows us to poll 'running' without resetting it when we're re-scheduled
+function goForN(n){
+	var n2=n;  // save our parameter so we can re-submit ourselves
 	while(n--){
 		halfStep();
 		cycle++;
 	}
-	estimatedHz1();
+	instantaneousHz();
 	chipStatus();
+	if((headlessSteps<0) && running){
+		setTimeout("goForN("+n2+")",0); // re-submit ourselves if we are meant to free-run
+		return;
+	}
+	running = false;
+	start.style.visibility = 'visible';
+	stop.style.visibility = 'hidden';
 }

 var prevHzTimeStamp=0;
@ -434,13 +517,10 @@ var prevHzEstimate1=1;
 var prevHzEstimate2=1;
 var HzSamplingRate=10;

+// return an averaged speed: called periodically during normal running
 function estimatedHz(){
 	if(cycle%HzSamplingRate!=3)
 		return prevHzEstimate1;
-	return estimatedHz1();
-}
-
-function estimatedHz1(){
 	var HzTimeStamp = now();
 	var HzEstimate = (cycle-prevHzCycleCount+.01)/(HzTimeStamp-prevHzTimeStamp+.01);
 	HzEstimate=HzEstimate*1000/2; // convert from phases per millisecond to Hz
@ -455,12 +535,26 @@ function estimatedHz1(){
 	return prevHzEstimate1
 }

+// return instantaneous speed: called twice, before and after a timed run using goFor()
+function instantaneousHz(){
+	var HzTimeStamp = now();
+	var HzEstimate = (cycle-prevHzCycleCount+.01)/(HzTimeStamp-prevHzTimeStamp+.01);
+	HzEstimate=HzEstimate*1000/2; // convert from phases per millisecond to Hz
+	prevHzEstimate1=HzEstimate;
+	prevHzEstimate2=prevHzEstimate1;
+	prevHzTimeStamp=HzTimeStamp;
+	prevHzCycleCount=cycle;
+	return prevHzEstimate1
+}
+
+var logbox;
 function initLogbox(names){
-	var logbox=document.getElementById('logstream');
+	logbox=document.getElementById('logstream');
 	if(logbox==null)return;

+	names=names.map(function(x){return x.replace(/^-/,'')});
 	logStream = [];
-        logStream.push("<td>" + names.join("</td><td>") + "</td>");
+	logStream.push("<td class=header>" + names.join("</td><td class=header>") + "</td>");
 	logbox.innerHTML = "<tr>"+logStream.join("</tr><tr>")+"</tr>";
 }

@ -469,9 +563,8 @@ var logboxAppend=true;
 // can append or prepend new states to the log table
 // when we reverse direction we need to reorder the log stream
 function updateLogDirection(){
-	logboxAppend=!logboxAppend;
-	var logbox=document.getElementById('logstream');
 	var loglines=[];
+	logboxAppend=!logboxAppend;
 	// the first element is the header so we can't reverse()
 	for (var i=1;i<logStream.length;i++) {
 		loglines.unshift(logStream[i]);
@ -483,18 +576,27 @@ function updateLogDirection(){

 // update the table of signal values, by prepending or appending
 function updateLogbox(names){
-	var logbox=document.getElementById('logstream');
 	var signals=[];
+	var odd=true;
+	var bg;
+	var row;

-	for(i in names){
-		signals.push(busToString(names[i]));
+	for(var i in names){
+		if(cycle % 4 < 2){
+			bg = odd ? " class=oddcol":"";
+		} else {
+			bg = odd ? " class=oddrow":" class=oddrowcol";
+		}
+		signals.push("<td" + bg + ">" + busToString(names[i]) + "</td>");
+		odd =! odd;
 	}
+	row = "<tr>" + signals.join("") + "</tr>";
 	if(logboxAppend)
-	        logStream.push("<td>" + signals.join("</td><td>") + "</td>");
+	        logStream.push(row);
 	else
-		logStream.splice(1,0,"<td>" + signals.join("</td><td>") + "</td>");
+		logStream.splice(1,0,row);

-	logbox.innerHTML = "<tr>"+logStream.join("</tr><tr>")+"</tr>";
+	logbox.innerHTML = logStream.join("");
 }

 function getMem(){
@ -519,3 +621,167 @@ function adler32(x){
 	}
 	return (0x100000000+(b<<16)+a).toString(16).slice(-8);
 }
+
+// sanitised opcode for HTML output
+function dis6502toHTML(byte){
+	var opcode=dis6502[byte];
+	if(typeof opcode == "undefined")
+		return "unknown"
+	return opcode.replace(/ /,'&nbsp;');
+}
+
+// opcode lookup for 6502 - not quite a disassembly
+//   javascript derived from Debugger.java by Achim Breidenbach
+var dis6502={
+0x00:"BRK",
+0x01:"ORA (zp,X)",
+0x05:"ORA zp",
+0x06:"ASL zp",
+0x08:"PHP",
+0x09:"ORA #",
+0x0A:"ASL ",
+0x0D:"ORA Abs",
+0x0E:"ASL Abs",
+0x10:"BPL ",
+0x11:"ORA (zp),Y",
+0x15:"ORA zp,X",
+0x16:"ASL zp,X",
+0x18:"CLC",
+0x19:"ORA Abs,Y",
+0x1D:"ORA Abs,X",
+0x1E:"ASL Abs,X",
+0x20:"JSR Abs",
+0x21:"AND (zp,X)",
+0x24:"BIT zp",
+0x25:"AND zp",
+0x26:"ROL zp",
+0x28:"PLP",
+0x29:"AND #",
+0x2A:"ROL ",
+0x2C:"BIT Abs",
+0x2D:"AND Abs",
+0x2E:"ROL Abs",
+0x30:"BMI ",
+0x31:"AND (zp),Y",
+0x35:"AND zp,X",
+0x36:"ROL zp,X",
+0x38:"SEC",
+0x39:"AND Abs,Y",
+0x3D:"AND Abs,X",
+0x3E:"ROL Abs,X",
+0x40:"RTI",
+0x41:"EOR (zp,X)",
+0x45:"EOR zp",
+0x46:"LSR zp",
+0x48:"PHA",
+0x49:"EOR #",
+0x4A:"LSR ",
+0x4C:"JMP Abs",
+0x4D:"EOR Abs",
+0x4E:"LSR Abs",
+0x50:"BVC ",
+0x51:"EOR (zp),Y",
+0x55:"EOR zp,X",
+0x56:"LSR zp,X",
+0x58:"CLI",
+0x59:"EOR Abs,Y",
+0x5D:"EOR Abs,X",
+0x5E:"LSR Abs,X",
+0x60:"RTS",
+0x61:"ADC (zp,X)",
+0x65:"ADC zp",
+0x66:"ROR zp",
+0x68:"PLA",
+0x69:"ADC #",
+0x6A:"ROR ",
+0x6C:"JMP zp",
+0x6D:"ADC Abs",
+0x6E:"ROR Abs",
+0x70:"BVS ",
+0x71:"ADC (zp),Y",
+0x75:"ADC zp,X",
+0x76:"ROR zp,X",
+0x78:"SEI",
+0x79:"ADC Abs,Y",
+0x7D:"ADC Abs,X",
+0x7E:"ROR Abs,X",
+0x81:"STA (zp,X)",
+0x84:"STY zp",
+0x85:"STA zp",
+0x86:"STX zp",
+0x88:"DEY",
+0x8A:"TXA",
+0x8C:"STY Abs",
+0x8D:"STA Abs",
+0x8E:"STX Abs",
+0x90:"BCC ",
+0x91:"STA (zp),Y",
+0x94:"STY zp,X",
+0x95:"STA zp,X",
+0x96:"STX zp,Y",
+0x98:"TYA",
+0x99:"STA Abs,Y",
+0x9A:"TXS",
+0x9D:"STA Abs,X",
+0xA0:"LDY #",
+0xA1:"LDA (zp,X)",
+0xA2:"LDX #",
+0xA4:"LDY zp",
+0xA5:"LDA zp",
+0xA6:"LDX zp",
+0xA8:"TAY",
+0xA9:"LDA #",
+0xAA:"TAX",
+0xAC:"LDY Abs",
+0xAD:"LDA Abs",
+0xAE:"LDX Abs",
+0xB0:"BCS ",
+0xB1:"LDA (zp),Y",
+0xB4:"LDY zp,X",
+0xB5:"LDA zp,X",
+0xB6:"LDX zp,Y",
+0xB8:"CLV",
+0xB9:"LDA Abs,Y",
+0xBA:"TSX",
+0xBC:"LDY Abs,X",
+0xBD:"LDA Abs,X",
+0xBE:"LDX Abs,Y",
+0xC0:"CPY #",
+0xC1:"CMP (zp,X)",
+0xC4:"CPY zp",
+0xC5:"CMP zp",
+0xC6:"DEC zp",
+0xC8:"INY",
+0xC9:"CMP #",
+0xCA:"DEX",
+0xCC:"CPY Abs",
+0xCD:"CMP Abs",
+0xCE:"DEC Abs",
+0xD0:"BNE ",
+0xD1:"CMP (zp),Y",
+0xD5:"CMP zp,X",
+0xD6:"DEC zp,X",
+0xD8:"CLD",
+0xD9:"CMP Abs,Y",
+0xDD:"CMP Abs,X",
+0xDE:"DEC Abs,X",
+0xE0:"CPX #",
+0xE1:"SBC (zp,X)",
+0xE4:"CPX zp",
+0xE5:"SBC zp",
+0xE6:"INC zp",
+0xE8:"INX",
+0xE9:"SBC #",
+0xEA:"NOP",
+0xEC:"CPX Abs",
+0xED:"SBC Abs",
+0xEE:"INC Abs",
+0xF0:"BEQ ",
+0xF1:"SBC (zp),Y",
+0xF5:"SBC zp,X",
+0xF6:"INC zp,X",
+0xF8:"SED",
+0xF9:"SBC Abs,Y",
+0xFD:"SBC Abs,X",
+0xFE:"INC Abs,X",
+};
--- a/nodenames.js
+++ b/nodenames.js
@ -90,13 +90,13 @@ pcl4: 900,
 pcl5: 622,
 pcl6: 377,
 pcl7: 1611,
-pclp0: 526,     // machine state: program counter low (pre-incremented?, second storage node)
+pclp0: 1227,    // machine state: program counter low (pre-incremented?, second storage node)
 pclp1: 1102,
-pclp2: 1411,
+pclp2: 1079,
 pclp3: 868,
-pclp4: 15,
+pclp4: 39,
 pclp5: 1326,
-pclp6: 993,
+pclp6: 731,
 pclp7: 536,
 pch0: 1670,     // machine state: program counter high (first storage node)
 pch1: 292,
@ -107,13 +107,13 @@ pch5: 49,
 pch6: 1551,
 pch7: 205,
 pchp0: 780,     // machine state: program counter high (pre-incremented?, second storage node)
-pchp1: 126,
+pchp1: 113,
 pchp2: 114,
-pchp3: 1061,
+pchp3: 124,
 pchp4: 820,
-pchp5: 469,
+pchp5: 33,
 pchp6: 751,
-pchp7: 663,
+pchp7: 535,
 p0: 687,        // machine state: status register
 p1: 1444,
 p2: 1421,
@ -250,22 +250,22 @@ dor4: 1088,
 dor5: 1453,
 dor6: 1415,
 dor7: 63,
-pd0: 1622,       // internal state: predecode register output (anded with not ClearIR)
-pd1: 809,
-pd2: 1671,
-pd3: 1587,
-pd4: 540,
-pd5: 667,
-pd6: 1460,
-pd7: 1410,
-notpd0: 758,       // internal state: predecode register (storage node)
-notpd1: 361,
-notpd2: 955,
-notpd3: 894,
-notpd4: 369,
-notpd5: 829,
-notpd6: 1669,
-notpd7: 1690,
+"pd0.clearIR": 1622,       // internal state: predecode register output (anded with not ClearIR)
+"pd1.clearIR": 809,
+"pd2.clearIR": 1671,
+"pd3.clearIR": 1587,
+"pd4.clearIR": 540,
+"pd5.clearIR": 667,
+"pd6.clearIR": 1460,
+"pd7.clearIR": 1410,
+pd0: 758,       // internal state: predecode register (storage node)
+pd1: 361,
+pd2: 955,
+pd3: 894,
+pd4: 369,
+pd5: 829,
+pd6: 1669,
+pd7: 1690,
 notRdy0: 248,   // internal signal: global pipeline control
 Reset0: 67,     // internal signal: retimed reset from pin
 C1x5Reset: 926, // retimed and pipelined reset in progress
--- a/testprogram.js
+++ b/testprogram.js
@ -8,8 +8,29 @@
 //
 testprogramAddress=0x0000;

+// we want to auto-clear the console if any output is sent by the program
+var consoleboxStream="";
+
+// demonstrate write hook
+writeTriggers[0x000F]="consoleboxStream += String.fromCharCode(d);"+
+                      "consolebox.innerHTML = consoleboxStream;";
+
+// demonstrate read hook (not used by this test program)
+readTriggers[0xD011]="((consolegetc==undefined)?0:0xff)";  // return zero until we have a char
+readTriggers[0xD010]="var c=consolegetc; consolegetc=undefined; (c)";
+
 testprogram = [
-	0xa9, 0x00, 0x20, 0x10, 0x00, 0x4c, 0x02, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0xe8, 0x88, 0xe6, 0x40, 0x38, 0x69, 0x02, 0x60
+	0xa9, 0x00,              // LDA #$00
+	0x20, 0x10, 0x00,        // JSR $0010
+	0x4c, 0x02, 0x00,        // JMP $0002
+
+	0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x40,
+
+	0xe8,                    // INX
+	0x88,                    // DEY
+	0xe6, 0x0F,              // INC $0F
+	0x38,                    // SEC
+	0x69, 0x02,              // ADC #$02
+	0x60                     // RTS
 ];
Author	SHA1	Message	Date
BigEd	93252a0eb1	[bug]fixup obsolete css file reference in browsertrouble.html	2010-11-27 15:58:46 +00:00
BigEd	172394845a	[bug]typo: fixed B bit of status register	2010-11-27 14:30:19 +00:00
BigEd	ec7da19d77	add z and x to expert mode help text	2010-11-27 14:19:57 +00:00
BigEd	13e1f51b47	kiosk mode: add link to user guide, tweak help text and add alphabetic zoom controls	2010-11-27 13:54:31 +00:00
BigEd	e6d3c62057	[bug]deal with disassembly of unknown opcodes	2010-11-27 12:37:14 +00:00
BigEd	fbf0830d15	Expert page: add link to user guide (wiki page)	2010-11-27 11:37:08 +00:00
BigEd	019bca0a26	remove white gaps in new logstream table colour scheme	2010-11-26 22:14:09 +00:00
BigEd	e866a3b58e	put non-breaking spaces into disassembly fragments	2010-11-26 14:27:03 +00:00
BigEd	611490ad76	various blue backgrounds to logstream table	2010-11-26 14:22:45 +00:00
BigEd	b3e58dcbab	immunize kiosk mode against I/O triggers in test program	2010-11-22 15:20:24 +00:00
BigEd	c7ac03edd8	move the I/O port (incremented value) to the top right for better visibility	2010-11-22 15:19:38 +00:00
BigEd	b51b5c4398	re-simplify kiosk mode status panel	2010-11-22 15:18:55 +00:00
BigEd	398060f56b	add opcode and machine state info to status panel, add Fetch Execute and State pseudo signals to log tabulation	2010-11-22 13:27:26 +00:00
BigEd	cdd837dd0c	display machine state in status panel	2010-11-22 12:23:20 +00:00
BigEd	3df7065b83	fold 6502 opcode lookup into macro.js and delete Java original	2010-11-22 12:22:36 +00:00
BigEd	f860067206	convert java debugger to javascript almost-disassembler	2010-11-22 11:40:14 +00:00
BigEd	33f00022ca	add Achim's original Debugger.java	2010-11-22 11:33:56 +00:00
BigEd	8a6fe3634f	add tracing of datapath control signals	2010-11-19 22:42:26 +00:00
BigEd	296599890a	correct the PC master/slave labelling and revert the predecode to the (inverted) latch nodes	2010-11-19 21:50:20 +00:00
BigEd	580f4585a6	allow inverted display of negative sense busses	2010-11-19 21:49:16 +00:00
BigEd	d045485ec4	[enh]allow free-running low-overhead mode, for interactive programs	2010-11-15 17:29:50 +00:00
BigEd	71a85b3135	small improvement to trigger examples in testprogram	2010-11-15 17:28:45 +00:00
BigEd	b3a6a12ddc	adding URL control of IRQ and NMI pins	2010-11-14 20:15:49 +00:00
BigEd	5f472cbe10	Merge branch 'master' of git://github.com/trebonian/visual6502	2010-11-10 22:20:36 +00:00
BigEd	6be4dd1673	add link to Advanced page and re-word other link	2010-11-09 21:25:56 +00:00
BigEd	7e6eb926ee	Merge branch 'master' of git://github.com/trebonian/visual6502	2010-11-09 20:31:19 +00:00
BigEd	6c2217b8fa	[bug]kiosk mode must also load macros before testprogram	2010-11-08 22:29:08 +00:00
BigEd	f6a86088f0	[enh]add a putc action to the test program	2010-11-08 22:18:07 +00:00
BigEd	5c9b4e7581	[dev]adding console box and read/write hook mechanism for test program I/O	2010-11-08 22:03:47 +00:00
BigEd	2a0e251088	[bug]fix improper closing tag (expert.html)	2010-11-08 16:36:45 +00:00