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Improve play/pause and PC display for stopped CPUs.

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nelhage committed Jun 4, 2011
1 parent 06b823d commit 59ad2f618a22bee0a2119d3bbda18a3fe8a3b414
Showing with 19 additions and 13 deletions.
  1. +1 −1 beta.html
  2. +18 −12 betaweb.js
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@@ -22,7 +22,7 @@
<div id='controls'>
<div id='cpucontrol'>
<input id='resetbutton' type="button" value="reset" onclick='resetBeta();'/>
<input id='playplausebutton' type="button" value="run" onclick='playPauseBeta();'/>
<input id='playpausebutton' type="button" value="run" onclick='playPauseBeta();'/>
</div>
<div id='romcontrol'>
Load ROM:
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@@ -98,30 +98,36 @@ function resetBeta(rom) {
},
halt: function() {
betaTerm.type("--- Program terminated ----");
refreshDisplay();
}});
playPauseBeta();
}
function playPauseBeta() {
var button = document.getElementById('playplausebutton');
if (!button)
return;
if(CPU.running()) {
if(CPU.running())
CPU.pause();
button.value="run";
} else {
else
CPU.run();
button.value="pause";
}
refreshDisplay();
}
function refreshDisplay() {
var div = document.getElementById('pcval');
if (CPU.running())
div.textContent = "<running>";
else
div.textContent = toHex(CPU.PC);
var button = document.getElementById('playpausebutton');
if (CPU.halt) {
div.textContent = "<stopped>";
button.disabled = true;
} else {
button.disabled = false;
if (CPU.running()) {
div.textContent = "<running>";
button.value = "pause";
} else {
div.textContent = toHex(CPU.PC);
button.value = "run";
}
}
}
function initTerm() {

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