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2
README
2
README
@ -4,7 +4,7 @@ www.visual6502.org/JSSim
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It includes a general purpose transistor-level simulator, layout browser,
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and the data from a 6502 revD chip.
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Recently added: polygon data for the 6800 chip. The simulation is not yet working,
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It also includes a similar simulator for the 6800 chip.
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Note the various licenses and Copyright associated with each file.
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@ -4,20 +4,26 @@ testprogramAddress=0x0000;
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// we want to auto-clear the console if any output is sent by the program
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var consoleboxStream="";
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// for opcodes, see ftp://ftp.comlab.ox.ac.uk/pub/Cards/txt/6800.txt
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// demonstrate write hook
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writeTriggers[0x8000]="consoleboxStream += String.fromCharCode(d);"+
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"consolebox.innerHTML = consoleboxStream;";
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// demonstrate read hook (not used by this test program)
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readTriggers[0x8004]="((consolegetc==undefined)?0:0xff)"; // return zero until we have a char
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readTriggers[0x8000]="var c=consolegetc; consolegetc=undefined; (c)";
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// for opcodes, see http://www.textfiles.com/programming/CARDS/6800
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testprogram = [
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0xce, 0x43, 0x21, // LDX #4321
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0x35, // TXS
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0xc6, 0xfb, // LDAB #$FB
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0xce, 0x80, 0x00, // LDX #8000
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0xc6, 0x40, // LDAB #$40
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0xbd, 0x00, 0x10, // JSR $0010
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0x7e, 0x00, 0x04, // JMP $0004
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0x7e, 0x00, 0x09, // JMP $0009
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0x01, // NOP
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0x01, // NOP
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0x01, // NOP
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0x01, // NOP
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0x08, // INX
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0x4a, // DECA
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0xe7, 0x00, // STAB 0, X
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0x7c, 0x00, 0x0f, // INC $0F
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0x0d, // SEC
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0xc9, 0x02, // ADCB #$02
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10
chipsim.js
10
chipsim.js
@ -143,7 +143,15 @@ function saveString(name, str){
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function allNodes(){
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var res = new Array();
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for(var i in nodes) if((i!=npwr)&&(i!=ngnd)) res.push(i);
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var ii = 0;
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for(var i in nodes) {
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// Don't feed numeric strings to recalcNodeList(). Numeric
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// strings can cause a (data dependent) duplicate node number
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// hiccup when accumulating a node group's list, ie:
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// group => [ "49", 483, 49 ]
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ii = Number( i );
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if((ii!=npwr)&&(ii!=ngnd)) res.push(ii);
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}
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return res;
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}
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@ -57,7 +57,7 @@ $().ready(function(){
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<a href="http://blog.visual6502.org">Blog</a>
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<a href="http://www.visual6502.org/links.html">Links</a>
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<a href="http://github.com/trebonian/visual6502">Source</a>
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<a href="ftp://ftp.comlab.ox.ac.uk/pub/Cards/txt/6800.txt">6800 instruction card</a>
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<a href="http://www.textfiles.com/programming/CARDS/6800">6800 instruction card</a>
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<a href="http://www.sbprojects.com/sbasm/6800.htm#model">programming model</a>
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</span>
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<div class="frame" id="frame">
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@ -13569,7 +13569,15 @@ function saveString(name, str){
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function allNodes(){
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var res = new Array();
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for(var i in nodes) if((i!=npwr)&&(i!=ngnd)) res.push(i);
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var ii = 0;
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for(var i in nodes) {
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// Don't feed numeric strings to recalcNodeList(). Numeric
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// strings can cause a (data dependent) duplicate node number
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// hiccup when accumulating a node group's list, ie:
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// group => [ "49", 483, 49 ]
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ii = Number( i );
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if((ii!=npwr)&&(ii!=ngnd)) res.push(ii);
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}
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return res;
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}
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@ -14407,7 +14415,7 @@ var dis6502={
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0x68:"PLA",
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0x69:"ADC #",
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0x6A:"ROR ",
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0x6C:"JMP zp",
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0x6C:"JMP (Abs)",
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0x6D:"ADC Abs",
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0x6E:"ROR Abs",
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0x70:"BVS ",
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14
expert.html
14
expert.html
@ -78,19 +78,19 @@ $().ready(function(){
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<div id="layoutControlPanel">
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Use 'z' or '>' to zoom in, 'x' or '<' to zoom out, click to probe signals and drag to pan.
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<form id="updateShow"> Show:
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<input type="checkbox" name="1" id="updateShow1" onchange="updateShow(this.name,this.checked)" />(diffusion)
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<input type="checkbox" name="3" id="updateShow3" onchange="updateShow(this.name,this.checked)" />(grounded diffusion)
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<input type="checkbox" name="4" id="updateShow4" onchange="updateShow(this.name,this.checked)" />(powered diffusion)
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<input type="checkbox" name="5" id="updateShow5" onchange="updateShow(this.name,this.checked)" />(polysilicon)
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<input type="checkbox" name="0" id="updateShow0" onchange="updateShow(this.name,this.checked)" />(metal)
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<input type="checkbox" name="2" id="updateShow2" onchange="updateShow(this.name,this.checked)" />(protection)
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<input type="checkbox" name="1" id="updateShow1" onchange="updateShow(this.name,this.checked)" /><label for="updateShow1">(diffusion)</label>
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<input type="checkbox" name="3" id="updateShow3" onchange="updateShow(this.name,this.checked)" /><label for="updateShow3">(grounded diffusion)</label>
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<input type="checkbox" name="4" id="updateShow4" onchange="updateShow(this.name,this.checked)" /><label for="updateShow4">(powered diffusion)</label>
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<input type="checkbox" name="5" id="updateShow5" onchange="updateShow(this.name,this.checked)" /><label for="updateShow5">(polysilicon)</label>
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<input type="checkbox" name="0" id="updateShow0" onchange="updateShow(this.name,this.checked)" /><label for="updateShow0">(metal)</label>
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<input type="checkbox" name="2" id="updateShow2" onchange="updateShow(this.name,this.checked)" /><label for="updateShow2">(protection)</label>
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</form>
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<form action="javascript:hiliteNodeList();">
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<input type="button" value="Find:" onclick="hiliteNodeList();" />
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<input type="text" id="HighlightThese" name="HighlightThese" value="" />
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<input type="button" value="Clear Highlighting" onclick="clearHighlight();" />
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<span class="animatebox">
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Animate during simulation:
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<label for="animateModeCheckbox">Animate during simulation:</label>
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<input type="checkbox" id="animateModeCheckbox" onchange="updateChipLayoutAnimation(this.checked)"
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/></span>
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</form>
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@ -699,7 +699,7 @@ var disassembly={
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0x68:"PLA",
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0x69:"ADC #",
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0x6A:"ROR ",
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0x6C:"JMP zp",
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0x6C:"JMP (Abs)",
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0x6D:"ADC Abs",
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0x6E:"ROR Abs",
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0x70:"BVS ",
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@ -923,7 +923,7 @@ dpc31_PCHPCH: 741, // load pch from pch incremented
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dpc32_PCHADH: 1235, // drive adh from pch incremented
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dpc33_PCHDB: 247, // drive idb from pch incremented
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dpc34_PCLC: 1704, // pch carry in and pcl FF detect?
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dpc35_PCHC: 1334, // pcl 0x?F detect - half-carry
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dpc35_PCHC: 1334, // pch 0x?F detect - half-carry
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"dpc36_#IPC": 379, // pcl carry in (inverted)
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"dpc36_~IPC": 379, // automatic alias replacing hash with tilde
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dpc37_PCLDB: 283, // drive idb from pcl incremented
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