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display machine state in status panel

This commit is contained in:
BigEd 2010-11-22 12:23:20 +00:00
parent 3df7065b83
commit cdd837dd0c
1 changed files with 13 additions and 0 deletions
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13
macros.js
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@ -288,6 +288,18 @@ function listActiveSignals(pattern){
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){
return isNodeHigh(nodenames[name])?1:0;
}
@ -440,6 +452,7 @@ function chipStatus(){
' SP:' + hexByte(readSP()) +
' ' + readPstring();
var machine3 = '';
machine3 += 'State: ' + listActiveTCStates() + ' ';
machine3 += 'Execute: ' + dis6502[readBits('ir',8)];
if(isNodeHigh(nodenames['sync']))
machine3 += ' (Fetch: ' + dis6502[readDataBus()] + ')';