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Backport various fixes from expert
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16
index.html
16
index.html
@ -43,7 +43,7 @@ lots of RAM. If you have trouble, please <a href="browsertrouble.html">check com
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<br />
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Hit '>' to zoom in, '<' to zoom out
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<br />
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Right-click to scroll around
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Left-click and drag to scroll around
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<br />
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Enter your own program into the array of RAM
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<br />
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@ -70,19 +70,15 @@ Enter your own program into the array of RAM
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<p class="status" id="status">x: 0<br>y: 0</p>
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<table class="memtable" id="memtable"></table>
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</div>
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<div id="updateShow"> Show:
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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="1" id="updateShow1" onchange="updateShow(this.name,this.checked)" />(switched 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="2" id="updateShow2" onchange="updateShow(this.name,this.checked)" />(diode)
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<div id="updateShow">
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</div>
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<br />
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<br />
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Source code is available on GitHub: <a href="http://github.com/trebonian/visual6502">http://github.com/trebonian/visual6502</a>
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Source code is available on <a href="http://github.com/trebonian/visual6502">github visual6502</a>.
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Use the online <a href="http://www.6502asm.com/">emulator and assembler</a> from 6502asm.com
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and <a href="http://www.e-tradition.net/bytes/6502/disassembler.html">disassembler</a> from e-tradition.net
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<br />
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In addition to this JavaScript project, see our <a href="../python6502.html">Python-based simulator</a> which may be easier to customize, verify, and apply to the study of long programs.<br />
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For in-depth 6502 investigation and some more advanced features, try our <a href="/stage/JSSim/index.html">Experimenter's (Beta) version</a>.
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<br />
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<br />
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25
macros.js
25
macros.js
@ -274,13 +274,36 @@ function chipStatus(){
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' fetch:' + readBit('fetch') +
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' clearIR:' + readBit('clearIR') +
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' D1x1:' + readBit('D1x1');
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setStatus(machine1 + "<br>" + machine2);
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setStatus(machine1 + "<br>" + machine2 + "<br>Hz: " + estimatedHz().toFixed(1));
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if (loglevel>2 && ctrace) {
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console.log(machine1 + " " + machine2 + " " + machine3 + " " + machine4 + " " + machine5);
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}
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selectCell(ab);
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}
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var prevHzTimeStamp=0;
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var prevHzCycleCount=0;
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var prevHzEstimate1=1;
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var prevHzEstimate2=1;
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var HzSamplingRate=10;
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function estimatedHz(){
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if(cycle%HzSamplingRate!=3)
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return prevHzEstimate1;
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var HzTimeStamp = now();
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var HzEstimate = (cycle-prevHzCycleCount+.01)/(HzTimeStamp-prevHzTimeStamp+.01);
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HzEstimate=HzEstimate*1000/2; // convert from phases per millisecond to Hz
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if(HzEstimate<5)
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HzSamplingRate=5; // quicker
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if(HzEstimate>10)
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HzSamplingRate=10; // smoother
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prevHzEstimate2=prevHzEstimate1;
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prevHzEstimate1=(HzEstimate+prevHzEstimate1+prevHzEstimate2)/3; // wrong way to average speeds
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prevHzTimeStamp=HzTimeStamp;
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prevHzCycleCount=cycle;
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return prevHzEstimate1
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}
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function getMem(){
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var res = Array();
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for(var i=0;i<0x200;i++) res.push(mRead(i));
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@ -84,6 +84,6 @@ function unselectCell(){
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function cellEl(n){
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var r = n>>4;
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var c = n%16;
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var e = table.children[r].children[c+1];
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var e = table.childNodes[r].childNodes[c+1];
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return e;
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}
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645
nodenames.js
645
nodenames.js
@ -1,5 +1,5 @@
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/*
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Copyright (c) 2010 Brian Silverman, Barry Silverman
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Copyright (c) 2010 Brian Silverman, Barry Silverman, Ed Spittles
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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@ -21,89 +21,19 @@
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*/
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var nodenames ={
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res: 159, // pads: reset
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rw: 1156, // pads: read not write
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db0: 1005, // pads: databus
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db1: 82,
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db0: 1005,
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db3: 650,
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db2: 945,
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db5: 175,
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db4: 1393,
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db7: 1349,
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db6: 1591,
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idl0: 116,
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idl1: 576,
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idl2: 1485,
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idl3: 1284,
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idl4: 1516,
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idl5: 498,
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idl6: 1537,
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idl7: 529,
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a1: 1234,
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ab0: 268, // pads: address bus
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ab1: 451,
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ab2: 1340,
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a2: 978,
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s2: 81,
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a5: 858,
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a4: 727,
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a7: 1653,
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a6: 1136,
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so: 1672,
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sync: 539,
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vcc: 657,
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clk1out: 1163,
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p2: 1421,
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p3: 439,
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p0: 687,
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p1: 1444,
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p6: 77,
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p7: 1370,
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p4: 1119,
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p5: 0,
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pcl3: 1359,
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pcl2: 655,
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pcl1: 1022,
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pcl0: 1139,
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pcl7: 1611,
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pcl6: 377,
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pcl5: 622,
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pcl4: 900,
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clk0: 1171,
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s3: 1532,
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res: 159,
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s1: 183,
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s0: 1403,
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s7: 1435,
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s6: 1212,
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s5: 1098,
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s4: 1702,
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nots0: 418,
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nots1: 1064,
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nots2: 752,
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nots3: 828,
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nots4: 1603,
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nots5: 601,
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nots6: 1029,
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nots7: 181,
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rw: 1156,
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x2: 1,
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x3: 1648,
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x0: 1216,
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x1: 98,
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x6: 448,
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x7: 777,
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x4: 85,
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x5: 589,
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rdy: 89,
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clk2out: 421,
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nmi: 1297,
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ab12: 1237,
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ab13: 349,
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ab10: 1443,
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ab11: 399,
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ab14: 672,
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ab15: 195,
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ab0: 268,
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a0: 737,
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a3: 162,
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ab3: 211,
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ab4: 435,
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ab5: 736,
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@ -111,69 +41,143 @@ ab6: 887,
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ab7: 1493,
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ab8: 230,
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ab9: 148,
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pch7: 205,
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pch6: 1551,
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pch5: 49,
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pch4: 948,
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pch3: 584,
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pch2: 502,
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pch1: 292,
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pch0: 1670,
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irq: 103,
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vss: 558,
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ab12: 1237,
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ab13: 349,
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ab10: 1443,
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ab11: 399,
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ab14: 672,
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ab15: 195,
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sync: 539, // pads
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so: 1672, // pads: set overflow
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clk0: 1171, // pads
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clk1out: 1163, // pads
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clk2out: 421, // pads
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rdy: 89, // pads: ready
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nmi: 1297, // pads: non maskable interrupt
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irq: 103, // pads
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vcc: 657, // pads
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vss: 558, // pads
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a0: 737, // machine state: accumulator
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a1: 1234,
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a2: 978,
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a3: 162,
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a4: 727,
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a5: 858,
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a6: 1136,
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a7: 1653,
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y0: 64, // machine state: y index register
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y1: 1148,
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y0: 64,
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y3: 305,
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y2: 573,
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y5: 615,
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y3: 305,
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y4: 989,
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y7: 843,
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y5: 615,
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y6: 115,
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cclk: 943, // aka cp2
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clock1: 156,
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clock2: 1536,
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notir7: 1320,
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notir6: 895, // OK
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notir5: 1394, // OK
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notir4: 26,
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notir3: 1125,
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notir2: 1182,
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y7: 843,
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x0: 1216, // machine state: x index register
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x1: 98,
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x2: 1,
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x3: 1648,
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x4: 85,
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x5: 589,
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x6: 448,
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x7: 777,
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pcl0: 1139, // machine state: program counter low (first storage node)
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pcl1: 1022,
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pcl2: 655,
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pcl3: 1359,
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pcl4: 900,
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pcl5: 622,
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pcl6: 377,
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pcl7: 1611,
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pclp0: 526, // machine state: program counter low (pre-incremented?, second storage node)
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pclp1: 1102,
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pclp2: 1411,
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pclp3: 868,
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pclp4: 15,
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pclp5: 1326,
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pclp6: 993,
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pclp7: 536,
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pch0: 1670, // machine state: program counter high (first storage node)
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pch1: 292,
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pch2: 502,
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pch3: 584,
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pch4: 948,
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pch5: 49,
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pch6: 1551,
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pch7: 205,
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pchp0: 780, // machine state: program counter high (pre-incremented?, second storage node)
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pchp1: 126,
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pchp2: 114,
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pchp3: 1061,
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pchp4: 820,
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pchp5: 469,
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pchp6: 751,
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pchp7: 663,
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p0: 687, // machine state: status register
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p1: 1444,
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p2: 1421,
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p3: 439,
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p4: 1119, // there is no bit4 in the status register!
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p5: -1, // there is no bit5 in the status register!
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p6: 77,
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p7: 1370,
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s0: 1403, // machine state: stack pointer
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s1: 183,
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s2: 81,
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s3: 1532,
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s4: 1702,
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s5: 1098,
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s6: 1212,
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s7: 1435,
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ir0: 328, // internal state: instruction register
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ir1: 1626,
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ir2: 1384,
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ir3: 1576,
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ir4: 1112,
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ir5: 1329, // ir5 distinguishes branch set from branch clear
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ir6: 337,
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ir7: 1328,
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notir0: 194, // internal signal: instruction register inverted outputs
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notir1: 702,
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notir0: 194,
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t2: 971,
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notir2: 1182,
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notir3: 1125,
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notir4: 26,
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notir5: 1394,
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notir6: 895,
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notir7: 1320,
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irline3: 996, // internal signal: PLA input - ir0 AND ir1
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clock1: 156, // internal state: timing control
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clock2: 1536, // internal state: timing control
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t2: 971, // internal state: timing control
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t3: 1567,
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t4: 690,
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t5: 909,
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cp1: 710,
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fetch: 879,
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clearIR: 1077,
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D1x1: 827,
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notRdy0: 248,
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alu0: 394,
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alu1: 697,
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alu2: 276,
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alu3: 495,
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alu4: 1490,
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alu5: 893,
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alu6: 68,
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alu7: 1123,
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adl0: 413,
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adl1: 1282,
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adl2: 1242,
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adl3: 684,
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adl4: 1437,
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adl5: 1630,
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adl6: 121,
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adl7: 1299,
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adh0: 407,
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adh1: 52,
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adh2: 1651,
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adh3: 315,
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adh4: 1160,
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adh5: 483,
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adh6: 13,
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adh7: 1539,
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sb0: 54,
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nots0: 418, // datapath state: not stack pointer
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nots1: 1064,
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nots2: 752,
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nots3: 828,
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nots4: 1603,
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nots5: 601,
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nots6: 1029,
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nots7: 181,
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notidl0: 116, // datapath state: internal data latch (first storage node)
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notidl1: 576,
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notidl2: 1485,
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notidl3: 1284,
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notidl4: 1516,
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notidl5: 498,
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notidl6: 1537,
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notidl7: 529,
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idl0: 1597, // datapath signal: internal data latch (driven output)
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idl1: 870,
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idl2: 1066,
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idl3: 464,
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idl4: 1306,
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idl5: 240,
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idl6: 1116,
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idl7: 391,
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sb0: 54, // datapath bus: special bus
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sb1: 1150,
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sb2: 1287,
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sb3: 1188,
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@ -181,7 +185,48 @@ sb4: 1405,
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sb5: 166,
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sb6: 1336,
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sb7: 1001,
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idb0: 1108,
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notalu0: 394, // datapath state: alu output storage node (inverse)
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notalu1: 697,
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notalu2: 276,
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notalu3: 495,
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notalu4: 1490,
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notalu5: 893,
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notalu6: 68,
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notalu7: 1123,
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alu0: 401, // datapath signal: ALU output
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alu1: 872,
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alu2: 1637,
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alu3: 1414,
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alu4: 606,
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alu5: 314,
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alu6: 331,
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alu7: 765,
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// datapath signal: decimally adjusted special bus
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dasb0: 54, // same node as sb0
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dasb1: 1009,
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dasb2: 450,
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dasb3: 1475,
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dasb4: 1405, // same node as sb4
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dasb5: 263,
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dasb6: 679,
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dasb7: 1494,
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adl0: 413, // internal state: address latch low
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adl1: 1282,
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||||
adl2: 1242,
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||||
adl3: 684,
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||||
adl4: 1437,
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||||
adl5: 1630,
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||||
adl6: 121,
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||||
adl7: 1299,
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||||
adh0: 407, // internal state: address latch high
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adh1: 52,
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adh2: 1651,
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adh3: 315,
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adh4: 1160,
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adh5: 483,
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adh6: 13,
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adh7: 1539,
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idb0: 1108, // internal state: data buffer
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idb1: 991,
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idb2: 1473,
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idb3: 1302,
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@ -189,15 +234,23 @@ idb4: 892,
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idb5: 1503,
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idb6: 833,
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idb7: 493,
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dor0: 222,
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dor1: 527,
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dor2: 1288,
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dor3: 823,
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dor4: 873,
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dor5: 1266,
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dor6: 1418,
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dor7: 158,
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pd0: 758,
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notdor0: 222, // internal state: data output register (storage node)
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notdor1: 527,
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notdor2: 1288,
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notdor3: 823,
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notdor4: 873,
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||||
notdor5: 1266,
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||||
notdor6: 1418,
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||||
notdor7: 158,
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dor0: 97, // internal signal: data output register
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dor1: 746,
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dor2: 1634,
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dor3: 444,
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dor4: 1088,
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||||
dor5: 1453,
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dor6: 1415,
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dor7: 63,
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pd0: 758, // internal state: predecode register
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||||
pd1: 361,
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||||
pd2: 955,
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pd3: 894,
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@ -205,5 +258,315 @@ pd4: 369,
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pd5: 829,
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pd6: 1669,
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pd7: 1690,
|
||||
h1x1: 1042, // drive status byte onto databus
|
||||
notRdy0: 248, // internal signal: global pipeline control
|
||||
Reset0: 67, // internal signal: retimed reset from pin
|
||||
C1x5Reset: 926, // retimed and pipelined reset in progress
|
||||
notRnWprepad: 187, // internal signal: to pad, yet to be inverted and retimed
|
||||
RnWstretched: 353, // internal signal: control datapad output drivers
|
||||
cp1: 710, // internal signal: clock phase 1
|
||||
cclk: 943, // unbonded pad: internal non-overlappying phi2
|
||||
fetch: 879, // internal signal
|
||||
clearIR: 1077, // internal signal
|
||||
D1x1: 827, // internal signal: interrupt handler related
|
||||
H1x1: 1042, // internal signal: drive status byte onto databus
|
||||
|
||||
// internal signal: pla outputs block 1 (west/left edge of die)
|
||||
// often 130 pla outputs are mentioned - we have 131 here
|
||||
pla0: 1601,
|
||||
pla1: 60,
|
||||
pla2: 1512,
|
||||
pla3: 382,
|
||||
pla4: 1173,
|
||||
pla5: 1233,
|
||||
|
||||
// internal signal: pla outputs block 2
|
||||
pla6: 258,
|
||||
pla7: 1562,
|
||||
pla8: 84,
|
||||
pla9: 1543,
|
||||
pla10: 76,
|
||||
pla11: 1658,
|
||||
pla12: 1540,
|
||||
pla13: 245,
|
||||
pla14: 985,
|
||||
pla15: 786,
|
||||
pla16: 1664,
|
||||
pla17: 682,
|
||||
pla18: 1482,
|
||||
pla19: 665,
|
||||
pla20: 286,
|
||||
|
||||
// internal signal: pla outputs block 3
|
||||
// not pla, feed through
|
||||
pla21: 271,
|
||||
pla22: 370,
|
||||
pla23: 552,
|
||||
pla24: 1612,
|
||||
pla25: 1487,
|
||||
pla26: 784,
|
||||
pla27: 244,
|
||||
pla28: 788,
|
||||
pla29: 1623,
|
||||
pla30: 764,
|
||||
pla31: 1057,
|
||||
pla32: 403,
|
||||
pla33: 204,
|
||||
pla34: 1273,
|
||||
pla35: 1582,
|
||||
pla36: 1031,
|
||||
|
||||
// internal signal: pla outputs block 4
|
||||
pla37: 804,
|
||||
pla38: 1311,
|
||||
pla39: 1428,
|
||||
pla40: 492,
|
||||
pla41: 1204,
|
||||
pla42: 58,
|
||||
pla43: 1520,
|
||||
pla44: 324,
|
||||
pla45: 1259,
|
||||
pla46: 342,
|
||||
pla47: 857,
|
||||
pla48: 712,
|
||||
pla49: 1337,
|
||||
pla50: 1355,
|
||||
pla51_T0SBC: 787, // 52:111XXXXX 1 0 T0SBC
|
||||
pla52_T0ADCSBC: 575, // 51:X11XXXXX 1 0 T0ADCSBC
|
||||
pla53: 1466,
|
||||
|
||||
// internal signal: pla outputs block 5
|
||||
pla54: 1381,
|
||||
pla55: 546,
|
||||
pla56: 776,
|
||||
pla57: 157,
|
||||
pla58: 257,
|
||||
pla59: 1243,
|
||||
pla60: 822,
|
||||
pla61: 1324,
|
||||
pla62: 179,
|
||||
pla63: 131,
|
||||
pla64: 1420,
|
||||
pla65: 1342,
|
||||
pla66: 4,
|
||||
pla67: 1396,
|
||||
pla68: 167,
|
||||
pla69: 303,
|
||||
pla70: 1504,
|
||||
pla71: 354,
|
||||
pla72: 1168,
|
||||
|
||||
// internal signal: pla outputs block 6
|
||||
pla73: 1721, // has extra non-pla input
|
||||
pla74: 1086,
|
||||
pla75: 1074,
|
||||
pla76: 1246,
|
||||
pla77: 487,
|
||||
pla78: 579,
|
||||
pla79: 145,
|
||||
pla80_T2BR: 1239, // T2BR, 83 for Balazs
|
||||
pla81: 285,
|
||||
// not pla, feed through
|
||||
// not pla, feed through
|
||||
pla82: 1524,
|
||||
pla83: 273, // has extra pulldown: pla97
|
||||
pla84: 0,
|
||||
pla85: 341,
|
||||
pla86: 120,
|
||||
pla87: 1478,
|
||||
pla88: 594,
|
||||
pla89: 1210,
|
||||
pla90: 677, // has extra pulldown: pla97
|
||||
|
||||
// internal signal: pla outputs block 7
|
||||
pla91: 461,
|
||||
pla92: 447,
|
||||
pla93: 660,
|
||||
pla94: 1557,
|
||||
pla95: 259,
|
||||
pla96: 1052,
|
||||
// gap
|
||||
pla97: 791, // feeds into pla83 and pla90 (no normal pla output)
|
||||
pla98: 517,
|
||||
pla99: 352,
|
||||
pla100: 750,
|
||||
pla101: 932,
|
||||
pla102: 1589,
|
||||
// gap
|
||||
pla103: 446,
|
||||
pla104: 528,
|
||||
|
||||
// internal signal: pla outputs block 8
|
||||
pla105: 309,
|
||||
pla106: 1430,
|
||||
pla107: 53,
|
||||
pla108: 691,
|
||||
pla109: 1292,
|
||||
// gap
|
||||
pla110: 1646,
|
||||
pla111: 1114,
|
||||
pla112: 904,
|
||||
pla113: 1155,
|
||||
pla114: 1476,
|
||||
pla115: 1226,
|
||||
pla116: 1569,
|
||||
pla117: 301,
|
||||
pla118: 950,
|
||||
pla119: 1665,
|
||||
|
||||
// internal signal: pla outputs block 9
|
||||
pla120: 1710,
|
||||
pla121: 1050, // feeds into pla130 (no normal pla output)
|
||||
pla122: 1419,
|
||||
pla123: 840,
|
||||
pla124: 607,
|
||||
pla125: 219,
|
||||
pla126: 1385,
|
||||
pla127: 281,
|
||||
pla128: 1174,
|
||||
pla129: 1164,
|
||||
pla130: 1006, // has extra pulldowns: pla121 and ir0
|
||||
|
||||
// internal signals: control signals
|
||||
nnT2BR: 967, // doubly inverted
|
||||
BRtaken: 1544,
|
||||
|
||||
// internal state: misc pipeline state clocked by cclk (phi2)
|
||||
pipeBRtaken: 832,
|
||||
pipeUNK01: 1530,
|
||||
pipeUNK02: 974,
|
||||
pipeUNK03: 1436,
|
||||
pipeUNK04: 99,
|
||||
pipeUNK05: 44,
|
||||
pipeUNK06: 443,
|
||||
pipeUNK07: 215,
|
||||
pipeUNK08: 338,
|
||||
pipeUNK09: 199,
|
||||
pipeUNK10: 215,
|
||||
pipeUNK11: 1011,
|
||||
pipeUNK12: 1283,
|
||||
pipeUNK13: 1442,
|
||||
pipeUNK14: 1607,
|
||||
pipeUNK15: 1577, // inverse of H1x1, write P onto idb (PHP, interrupt)
|
||||
pipeUNK16: 1051,
|
||||
pipeUNK17: 1078,
|
||||
pipeUNK18: 899,
|
||||
pipeUNK19: 832,
|
||||
pipeUNK20: 294,
|
||||
pipeUNK21: 1176,
|
||||
pipeUNK22: 561, // becomes dpc22
|
||||
pipeUNK23: 596,
|
||||
pipephi2Reset0: 449,
|
||||
pipephi2Reset0x: 1036, // a second copy of the same latch
|
||||
pipeUNK26: 1321,
|
||||
pipeUNK27: 73,
|
||||
pipeUNK28: 685,
|
||||
pipeUNK29: 1008,
|
||||
pipeUNK30: 1652,
|
||||
pipeUNK31: 614,
|
||||
pipeUNK32: 960,
|
||||
pipeUNK33: 848,
|
||||
pipeUNK34: 56,
|
||||
pipeUNK35: 1713,
|
||||
pipeUNK36: 729,
|
||||
pipeUNK37: 197,
|
||||
pipeUNK38: 1131,
|
||||
pipeUNK39: 151,
|
||||
pipeUNK40: 456,
|
||||
pipeUNK41: 1438,
|
||||
pipeUNK42: 1104,
|
||||
pipeUNK43: 554,
|
||||
|
||||
|
||||
|
||||
// internal state: vector address pulldown control
|
||||
pipeVectorA0: 357,
|
||||
pipeVectorA1: 170,
|
||||
pipeVectorA2: 45,
|
||||
|
||||
// internal state: datapath control drivers
|
||||
pipedpc28: 683,
|
||||
|
||||
// internal signals: alu internal (private) busses
|
||||
alua0: 1167,
|
||||
alua1: 1248,
|
||||
alua2: 1332,
|
||||
alua3: 1680,
|
||||
alua4: 1142,
|
||||
alua5: 530,
|
||||
alua6: 1627,
|
||||
alua7: 1522,
|
||||
alub0: 977,
|
||||
alub1: 1432,
|
||||
alub2: 704,
|
||||
alub3: 96,
|
||||
alub4: 1645,
|
||||
alub5: 1678,
|
||||
alub6: 235,
|
||||
alub7: 1535,
|
||||
|
||||
aluanorb0: 143,
|
||||
aluanandb0: 1628,
|
||||
aluaorb0: 693,
|
||||
notaluoutmux0: 957, // alu result latch input
|
||||
|
||||
aluanorb1: 155,
|
||||
aluanandb1: 841,
|
||||
aluaorb1: 1021,
|
||||
notaluoutmux1: 250, // alu result latch input
|
||||
|
||||
// internal signals: datapath control signals
|
||||
dpc0_YSB: 801, // drive sb from y
|
||||
dpc1_SBY: 325, // load y from sb
|
||||
dpc2_XSB: 1263, // drive sb from x
|
||||
dpc3_SBX: 1186, // load x from sb
|
||||
dpc4_SSB: 1700, // drive sb from stack pointer
|
||||
dpc5_SADL: 1468, // drive adl from stack pointer
|
||||
dpc6_SBS: 874, // load stack pointer from sb
|
||||
dpc7_SS: 654, // recirculate stack pointer
|
||||
dpc8_nDBADD: 1068, // alu b side: select not-idb input
|
||||
dpc9_DBADD: 859, // alu b side: select idb input
|
||||
|
||||
dpc10_ADLADD: 437, // alu b side: select adl input
|
||||
dpc11_SBADD: 549, // alu a side: select sb
|
||||
dpc12_0ADD: 984, // alu a side: select zero
|
||||
dpc13_ORS: 59, // alu op: a or b
|
||||
dpc14_SRS: 362, // alu op: logical right shift
|
||||
dpc15_ANDS: 574, // alu op: a and b
|
||||
dpc16_EORS: 1666, // alu op: a xor b (?)
|
||||
dpc17_SUMS: 921, // alu op: a plus b (?)
|
||||
alucin: 910, // alu carry in
|
||||
notalucin: 1165,
|
||||
dpc18_DAA: 1201, // decimal related
|
||||
dpc19_ADDSB7: 214, // alu to sb bit 7 only
|
||||
|
||||
dpc20_ADDSB06: 129, // alu to sb bits 6-0 only
|
||||
dpc21_ADDADL: 1015, // alu to adl
|
||||
alurawcout: 808, // alu raw carry out (no decimal adjust)
|
||||
alucout: 1146, // alu carry out (latched by phi2)
|
||||
notaluvout: 1308, // alu overflow out
|
||||
aluvout: 938, // alu overflow out (latched by phi2)
|
||||
dpc22_DSA: 725, // decimal related/SBC only
|
||||
dpc23_SBAC: 534, // (optionalls decimal-adjusted) sb to acc
|
||||
dpc24_ACSB: 1698, // acc to sb
|
||||
dpc25_SBDB: 1060, // sb pass-connects to idb
|
||||
dpc26_ACDB: 1331, // acc to idb
|
||||
dpc27_SBADH: 140, // sb pass-connects to adh
|
||||
dpc28_0ADH0: 229, // zero to adh0 bit0 only
|
||||
dpc29_0ADH17: 203, // zero to adh bits 7-1 only
|
||||
|
||||
dpc30_ADHPCH: 48, // load pch from adh
|
||||
dpc31_PCHPCH: 741, // load pch from pch incremented
|
||||
dpc32_PCHADH: 1235, // drive adh from pch incremented
|
||||
dpc33_PCHDB: 247, // drive idb from pch incremented
|
||||
dpc34_PCLC: 1704, // pch carry in and pcl FF detect?
|
||||
dpc35: 1334, // pcl 0x?F detect - half-carry
|
||||
dpc36_IPC: 379, // pcl carry in
|
||||
dpc37_PCLDB: 283, // drive idb from pcl incremented
|
||||
dpc38_PCLADL: 438, // drive adl from pcl incremented
|
||||
dpc39_PCLPCL: 898, // load pcl from pcl incremented
|
||||
|
||||
dpc40_ADLPCL: 414, // load pcl from adl
|
||||
dpc41: 1564, // pass-connect adl to mux node driven by idl
|
||||
dpc42: 41, // pass-connect adh to mux node driven by idl
|
||||
dpc43: 863, // pass-connect idb to mux node driven by idl
|
||||
}
|
||||
|
66
wires.js
66
wires.js
@ -26,6 +26,25 @@ var zoom=1;
|
||||
var dragMouseX, dragMouseY, moved;
|
||||
var statbox;
|
||||
|
||||
// Some constants for the graphics presentation
|
||||
// the canvas is embedded in an 800x600 clipping div
|
||||
// which gives rise to some of the 300 and 400 values in the code
|
||||
// there are also some 600 values
|
||||
// the 6502D chip coords are in the box (216,179) to (8983,9807)
|
||||
// we have 4 canvases all the same size, now 2000 pixels square
|
||||
// chip background - the layout
|
||||
// overlay - a red/white transparency to show logic high or low
|
||||
// hilite - to show the selected polygon
|
||||
// hitbuffer - abusing color values to return which polygon is under a point
|
||||
// we no longer use a scaling transform - we now scale the chip data at
|
||||
// the point of drawing line segments
|
||||
// if the canvas is any smaller than chip coordinates there will be
|
||||
// rounding artifacts, and at high zoom there will be anti-aliasing on edges.
|
||||
var grMaxZoom=12;
|
||||
var grChipSize=10000;
|
||||
var grCanvasSize=2000;
|
||||
var grLineWidth=1;
|
||||
|
||||
// Index of layerNames corresponds to index into drawLayers
|
||||
var layernames = ['metal', 'switched diffusion', 'inputdiode', 'grounded diffusion', 'powered diffusion', 'polysilicon'];
|
||||
var colors = ['rgba(128,128,192,0.4)','#FFFF00','#FF00FF','#4DFF4D',
|
||||
@ -116,14 +135,13 @@ function setupLayerVisibility(){
|
||||
|
||||
function setupBackground(){
|
||||
chipbg = document.getElementById('chipbg');
|
||||
chipbg.width = 4000;
|
||||
chipbg.height = 4000;
|
||||
chipbg.width = grCanvasSize;
|
||||
chipbg.height = grCanvasSize;
|
||||
var ctx = chipbg.getContext('2d');
|
||||
ctx.scale(chipbg.width/10000, chipbg.height/10000);
|
||||
ctx.fillStyle = '#000000';
|
||||
ctx.strokeStyle = 'rgba(255,255,255,0.5)';
|
||||
ctx.lineWidth = 4;
|
||||
ctx.fillRect(0,0,10000,10000);
|
||||
ctx.lineWidth = grLineWidth;
|
||||
ctx.fillRect(0,0,grCanvasSize,grCanvasSize);
|
||||
for(var i in segdefs){
|
||||
var seg = segdefs[i];
|
||||
var c = seg[2];
|
||||
@ -138,27 +156,24 @@ function setupBackground(){
|
||||
|
||||
function setupOverlay(){
|
||||
overlay = document.getElementById('overlay');
|
||||
overlay.width = 4000;
|
||||
overlay.height = 4000;
|
||||
overlay.width = grCanvasSize;
|
||||
overlay.height = grCanvasSize;
|
||||
ctx = overlay.getContext('2d');
|
||||
ctx.scale(overlay.width/10000, overlay.height/10000);
|
||||
}
|
||||
|
||||
function setupHilite(){
|
||||
hilite = document.getElementById('hilite');
|
||||
hilite.width = 4000;
|
||||
hilite.height = 4000;
|
||||
hilite.width = grCanvasSize;
|
||||
hilite.height = grCanvasSize;
|
||||
var ctx = hilite.getContext('2d');
|
||||
ctx.scale(hilite.width/10000, hilite.height/10000);
|
||||
}
|
||||
|
||||
function setupHitBuffer(){
|
||||
hitbuffer = document.getElementById('hitbuffer');
|
||||
hitbuffer.width = 4000;
|
||||
hitbuffer.height = 4000;
|
||||
hitbuffer.width = grCanvasSize;
|
||||
hitbuffer.height = grCanvasSize;
|
||||
hitbuffer.style.visibility = 'hidden';
|
||||
var ctx = hitbuffer.getContext('2d');
|
||||
ctx.scale(hitbuffer.width/10000, hitbuffer.height/10000);
|
||||
for(i in nodes) hitBufferNode(ctx, i, nodes[i].segs);
|
||||
}
|
||||
|
||||
@ -183,7 +198,7 @@ function hexdigit(n){return '0123456789ABCDEF'.charAt(n);}
|
||||
/////////////////////////
|
||||
|
||||
function refresh(){
|
||||
ctx.clearRect(0,0,10000,10000);
|
||||
ctx.clearRect(0,0,grCanvasSize,grCanvasSize);
|
||||
for(i in nodes){
|
||||
if(isNodeHigh(i)) overlayNode(nodes[i].segs);
|
||||
}
|
||||
@ -199,7 +214,7 @@ function overlayNode(w){
|
||||
|
||||
function hiliteNode(n){
|
||||
var ctx = hilite.getContext('2d');
|
||||
ctx.clearRect(0,0,10000,10000);
|
||||
ctx.clearRect(0,0,grCanvasSize,grCanvasSize);
|
||||
ctx.fillStyle = 'rgba(255,255,255,0.7)';
|
||||
if(n==-1) return;
|
||||
if(isNodeHigh(n[0]))
|
||||
@ -216,9 +231,9 @@ function drawSeg(ctx, seg){
|
||||
if(noGraphics) return;
|
||||
var dx = 400;
|
||||
ctx.beginPath();
|
||||
ctx.moveTo(seg[0]+dx, 10000-seg[1])
|
||||
for(var i=2;i<seg.length;i+=2) ctx.lineTo(seg[i]+dx, 10000-seg[i+1]);
|
||||
ctx.lineTo(seg[0]+dx, 10000-seg[1])
|
||||
ctx.moveTo(grScale(seg[0]+dx), grScale(grChipSize-seg[1]));
|
||||
for(var i=2;i<seg.length;i+=2) ctx.lineTo(grScale(seg[i]+dx), grScale(grChipSize-seg[i+1]));
|
||||
ctx.lineTo(grScale(seg[0]+dx), grScale(grChipSize-seg[1]));
|
||||
}
|
||||
|
||||
/////////////////////////
|
||||
@ -232,7 +247,7 @@ function handleKey(e){
|
||||
c = String.fromCharCode(c);
|
||||
if('<>?np'.indexOf(c)==-1) return;
|
||||
if(c=='<' && zoom>1) setZoom(zoom/1.2);
|
||||
else if(c=='>' && zoom<16) setZoom(zoom*1.2);
|
||||
else if(c=='>' && zoom<grMaxZoom) setZoom(zoom*1.2);
|
||||
else if(c=='?') setZoom(1);
|
||||
else if(c=='n') stepForward();
|
||||
else if(c=='p') stepBack();
|
||||
@ -297,15 +312,15 @@ function handleClick(e){
|
||||
var w = findNodeNumber(x,y);
|
||||
if(e.shiftKey) hiliteNode(getNodeGroup(w));
|
||||
else {var a=new Array(); a.push(w); hiliteNode(a);}
|
||||
var cx = Math.round(x*10000/600);
|
||||
var cy = Math.round(y*10000/600);
|
||||
var cx = Math.round(x*grChipSize/600);
|
||||
var cy = Math.round(y*grChipSize/600);
|
||||
if(w==-1) setStatus('x:',cx,'<br>','y:',cy);
|
||||
else {setStatus('x:',cx, 'y:', cy,'<br>','node:',w, nodeName(w));}
|
||||
}
|
||||
|
||||
function findNodeNumber(x,y){
|
||||
var ctx = hitbuffer.getContext('2d');
|
||||
var pixels = ctx.getImageData(x*4000/600, y*4000/600, 2, 2).data;
|
||||
var pixels = ctx.getImageData(x*grCanvasSize/600, y*grCanvasSize/600, 2, 2).data;
|
||||
if(pixels[0]==0) return -1;
|
||||
var high = pixels[0]>>4;
|
||||
var mid = pixels[1]>>4;
|
||||
@ -333,6 +348,11 @@ function setChipStyle(props){
|
||||
}
|
||||
}
|
||||
|
||||
// we draw the chip data scaled down to the canvas
|
||||
// and so avoid scaling a large canvas
|
||||
function grScale(x){
|
||||
return Math.round(x*grCanvasSize/grChipSize);
|
||||
}
|
||||
|
||||
function localx(el, gx){
|
||||
return gx-el.getBoundingClientRect().left;
|
||||
|
Loading…
Reference in New Issue
Block a user