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index.html
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index.html
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<!DOCTYPE html>
<html>
<head>
<title>CHIMP-8: a CHIP-8 vm</title>
<meta charset="utf-8" />
<style>
body {
font-family: monospace;
font-size: 8pt;
background-color: #120;
}
a {
color: #eee;
}
canvas {
/*width: 196px;*/
border: 4px solid #444;
border-radius: 3px;
}
button {
border:1px solid #000;
font-family: monospace;
background-color: #fff;
}
#reg {
width: 70px;
float: left;
}
#pc {
width: 400px;
}
#container {
margin: auto;
width: 455px;
}
#controls {
text-align: left;
border: 1px solid;
border-radius: 5px;
padding: 10px;
background-color: #999;
margin-top: 15px;
}
</style>
</head>
<body>
<div id="container">
<div id="screen"></div>
<div id="controls">
<div>
<button id="step">Step</button>
<button id="run">Run</button>
<button id="stop">Stop</button>
<button id="reset">Reset</button>
<pre style="float:right;margin-top:0px">
<strong>Keys:</strong>
1|2|3|4
Q|W|E|R
A|S|D|F</pre>
</div>
<div id="dbg">
<div id="reg"></div>
<div id="pc"></div>
<div>
<input type="checkbox" id="dbgStep" style="margin-top:10px" checked="true">Debug on
</div>
</div>
<div style="clear:both;padding-top:10px">
<span>CHIMP-8</span>
<select id="loady">
<option value="">-- ROMS --</option>
<option value="Logo.ch8">Logo</option>
<option value="Maze2.ch8">Maze</option>
<option value="Breakout1979.ch8">Breakout</option>
<option value="Space Invaders.ch8">Space Invaders</option>
<option value="Particle.ch8">Particles</option>
<option value="Worm V4.ch8">Worm V4</option>
<option value="Life.ch8">Life</option>
<option value="Tetris.ch8">Tetris</option>
<option value="Trip8.ch8">Trip8 demo</option>
<option value="Jumping X and O.ch8">Jumping X and O</option>
<option value="15.ch8">15</option>
<option value="Sirpinski.ch8">Sirpinski</option>
</select>
</div>
<div style="padding-top:8px">
<a href="http://www.github.com/mrspeaker/CHIMP-8">CHIMP-8 source</a>
<a href="http://www.twitter.com/mrspeaker">@mrspeaker</a>
</div>
</div>
</div>
<script src="src/debugga.js"></script>
<script src="src/Display.js"></script>
<script src="src/Sound.js"></script>
<script src="src/VM.js"></script>
<script>
"use strict";
var vm = Object.create(VM).init();
var clicka = function (id, f) {
document.querySelector(id).addEventListener("click", f, false);
};
clicka("#step", vm.step.bind(vm));
clicka("#run", vm.run.bind(vm));
clicka("#stop", vm.stop.bind(vm));
clicka("#reset", vm.reset.bind(vm));
window.debugga.run = true;//document.querySelector("#dbgStep").checked;
document.querySelector("#dbgStep").addEventListener("change", function (e) {
window.debugga.run = e.target.checked;
});
document.querySelector("#loady").addEventListener("change", function (e) {
var val = e.target.options[e.target.selectedIndex].value;
if (!val) { return; }
loadROM(val, function (p) {
vm.load(p);
debugga(vm);
});
}, false);
function loadROM (name, cb) {
var xhr = new XMLHttpRequest();
xhr.open("GET", "roms/" + name, true);
xhr.responseType = "arraybuffer";
xhr.onload = function () {
cb(new Uint8Array(xhr.response));
};
xhr.onerror = function (e) {
console.error(e);
alert("Error loading ROM (see console).\nLoading default instead.");
var defaultRom = "AOBgAGEAYgiiIEBAIhpBIBIQ0BjyHnAIEgpgAHEIAO4AAAAAAAAAAAAAAAAAAAAAAH9AX1BXVFQA/AT0FNRUVAA/IC8oKyoqAP4C+grqKioAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFRUVFRUVHQAVFRUVHQAAAAqKioqKio7ACoqKioqKu4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB0VFRUVFRUVAAAdFRUVFRUOyoqKioqKiruKioqKioqKgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAVFRXUF9AfwBUVNQU9AT8ACoqKygvID8AKirqCvoC/gAAAAAAAAAAAAAAAAAAAAAA";
cb(new Uint8Array(
atob(defaultRom)
.split("")
.map(function(c) {
return c.charCodeAt(0);
})
));
};
xhr.send();
}
loadROM("Logo.ch8", function (p) {
vm.load(p);
vm.run();
});
</script>
</body>
</html>