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IDE.html
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<!DOCTYPE html>
<html>
<head>
<script src="Interpreter.js"></script>
<script>
var xres = 16;
var yres = 15;
let canvas = 0;
let ctx = 0;
let imageData = 0;
let interpreter = 0;
let compiler = new Compiler();
function resize()
{
xres = document.querySelector("#xres").value * 1;
yres = document.querySelector("#yres").value * 1;
canvas.width = xres;
canvas.height = yres;
ctx = canvas.getContext("2d", { willReadFrequently: true });
imageData = ctx.getImageData(0, 0, xres, yres);
storeResolution(xres, yres);
}
function loop()
{
if(interpreter)
for(let i = 0; i < 1024 * 4; i++)
interpreter.execute();
//draw frame
show();
ctx.putImageData(imageData, 0, 0);
requestAnimationFrame(loop);
}
function show()
{
if(!interpreter) return;
for(let i = 0; i < xres * yres * 4; i++)
imageData.data[i] = (i & 3) == 3 ? 255 : interpreter.mem.gfx[i];
}
function init()
{
const textarea = document.querySelector('textarea');
restoreCode();
textarea.onkeydown = function(e)
{
if(e.keyCode==9 || e.which==9)
{
e.preventDefault();
var s = this.selectionStart;
this.value = this.value.substring(0,this.selectionStart) + "\t" + this.value.substring(this.selectionEnd);
this.selectionEnd = s+1;
}
}
canvas = document.querySelector("canvas");
restoreResolution();
canvas.width = xres;
canvas.height = yres;
ctx = canvas.getContext("2d", { willReadFrequently: true });
imageData = ctx.getImageData(0, 0, xres, yres);
requestAnimationFrame(loop);
}
function run()
{
const code = compiler.compile(document.querySelector("textarea").value, console);
console.log(compiler.decompile(code));
interpreter = new Interpreter(code, new MemoryMap());
}
function halt()
{
interpreter = 0;
}
function storeCode(code)
{
localStorage.setItem("code", code);
}
function storeFileName(fileName)
{
localStorage.setItem("fileName", fileName);
}
function storeResolution(xres, yres)
{
localStorage.setItem("xres", xres);
localStorage.setItem("yres", yres);
}
function restoreResolution()
{
xres = localStorage.getItem("xres") || xres;
yres = localStorage.getItem("yres") || yres;
document.querySelector("#xres").value = xres;
document.querySelector("#yres").value = yres;
}
function restoreCode()
{
const code = localStorage.getItem("code");
if(code)
document.querySelector('textarea').value = code;
const fileName = localStorage.getItem("fileName");
if(fileName)
document.querySelector('#filename').value = fileName;
}
function downloadFile(fileName, data)
{
const url = URL.createObjectURL(new Blob([data]));
const link = document.createElement('a');
link.href = url;
link.download = fileName;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
URL.revokeObjectURL(url);
}
function downloadBin()
{
const code = compiler.compile(document.querySelector("textarea").value, console);
if(code)
downloadFile(document.querySelector("#filename").value + ".bin", code);
}
function downloadLsm()
{
const code = document.querySelector("textarea").value;
downloadFile(document.querySelector("#filename").value + ".lsm", code);
}
function loadBin(event)
{
if(!event.target.files.length) return;
const file = event.target.files[0];
const reader = new FileReader();
reader.onload = function(e)
{
const code = new Uint8Array(e.target.result);
console.log(compiler.decompile(code));
interpreter = new Interpreter(code, new MemoryMap());
}
reader.readAsArrayBuffer(file);
}
function loadLsm(event)
{
if(!event.target.files.length) return;
const file = event.target.files[0];
const reader = new FileReader();
reader.onload = function(e)
{
const code = e.target.result;
document.querySelector("textarea").value = code;
storeCode(code);
}
reader.readAsText(file);
const fileName = file.name.replace(/\.[^/.]+$/, "");
document.querySelector("#filename").value = fileName;
storeFileName(fileName);
}
function copyToClipboard(text)
{
const el = document.createElement('textarea');
el.value = text;
document.body.appendChild(el);
el.select();
document.execCommand('copy');
document.body.removeChild(el);
}
function toClipboard()
{
const code = compiler.compile(document.querySelector("textarea").value, console);
const cArray = "const uint8_t code[] = {" + code.join(', ') + "};\n";
copyToClipboard(cArray);
}
function toClipboardBase64()
{
const code = compiler.compile(document.querySelector("textarea").value, console);
var decoder = new TextDecoder('utf-8');
copyToClipboard(btoa(String.fromCharCode.apply(null, code)));
}
</script>
<style>
body
{
background-color: #222;
font-family: sans-serif;
color: #ddd;
}
canvas
{
image-rendering: pixelated;
width: 100%;
height: auto;
border-style: solid;
border-color: #ff1493;
border-width: 0.1px;
background-color: black;
}
textarea
{
background-color: #111;
border-color: #ff1493;
border-width: 2px;
border-style: solid;
color: #ddd;
overflow-x: auto;
text-wrap: nowrap;
tab-size: 4;
}
td
{
vertical-align: top;
}
input[type=text]
{
width: 100px;
}
</style>
</head>
<body onload="init()">
<table>
<tr>
<td rowspan="2"><textarea id="code" cols="80" rows="48" oninput="storeCode(this.value)">
push 0xa000 //store frame buffer address in mem[0]
push 0x0000
stor
push 15 //pushes 15 on stack (pixel rows)
y:
push 16 //pushed 16 on stack (pixel cols)
x:
push 0x0004 //load rgb value from mem[4]
load
push 0x0000 //load frame buffer address from mem[0]
load
stor //write pixel
push 0x0000 //increment frame buffer address in mem[0]
load
push 4
add
push 0x0000
stor
push 0x0004 //add 0x10 to rgb color in mem[4]
load
push 0x10
add
push 0x0004
stor
dec //decrement x counter on top of stack
clone //clone x counter for comparison
push x //pushes address of label x
jnz //pops label address and jumps to label if value on top of stack is != 0
pop //remove x counter
push 0x0004 //add 0x010000 to rgb color in mem[4]
load
push 0x100000
add
push 0x0004
stor
dec //decrement y counter on top of stack
clone //clone y counter for comparison
push y //pushes address of label y
jnz //pops label address and jumps to label if value on top of stack is != 0
pop //pop clear y counter
</textarea></td>
<td><canvas width="16" height="15"></canvas>
<br>xres<input type="number" min="4" max="320" value="16" id="xres" style="width:50px" onchange="resize()">
yres<input type="number" min="4" max="240" value="15" id="yres" style="width:50px" onchange="resize()">
<br><button>L</button><button>R</button><button>U</button><button>D</button><button>B</button><button>A</button>
<br>
<br><button onclick="run()">run</button><button onclick="halt()">halt</button>
<br><br>App name: <input id="filename" value="app" type="text" onchange="storeFileName(this.value)">
<br><button onclick="document.querySelector('#loadLsm').click()">load lsm<input type="file" id="loadLsm" accept=".lsm" style="display:none" onchange="loadLsm(event)"></button>
<button onclick="downloadLsm()">save lsm</button>
<br><button onclick="document.querySelector('#loadBin').click()">load bin<input type="file" id="loadBin" accept=".bin" style="display:none" onchange="loadBin(event)"></button>
<button onclick="downloadBin()">save bin</button>
<br><button onclick="toClipboard()">c++ array to clipboard</button>
<br><button onclick="toClipboardBase64()">base64 clipboard</button>
</td>
</tr>
<tr>
<td><td>
</tr>
</table>
</body>
</html>