dranke/microw8
1
0
Fork 0
mirror of https://github.com/exoticorn/microw8.git synced 2026-01-20 11:16:42 +01:00
Code Issues Projects Releases Wiki Activity

add input to web runtime, add v0.1pre3 to site

Browse Source
This commit is contained in:
Dennis Ranke
2021-12-01 23:36:39 +01:00
parent 04c2c1aeb0
commit aba00b1cae
9 changed files with 122 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
web/src/main.js
View File

@@ -15,7 +15,56 @@ let imageData = canvasCtx.createImageData(320, 240);
let cancelFunction;
let currentData;
let U8 = (d) => new Uint8Array(d);
let U32 = (d) => new Uint32Array(d);
let pad = 0;
let keyHandler = (e) => {
let isKeyDown = e.type == 'keydown';
let mask;
switch(e.code) {
case 'ArrowUp':
mask = 1;
break;
case 'ArrowDown':
mask = 2;
break;
case 'ArrowLeft':
mask = 4;
break;
case 'ArrowRight':
mask = 8;
break;
case 'KeyZ':
mask = 16;
break;
case 'KeyX':
mask = 32;
break;
case 'KeyA':
mask = 64;
break;
case 'KeyS':
mask = 128;
break;
case 'KeyR':
if(isKeyDown)
{
runModule(currentData);
}
break;
}
if(isKeyDown) {
pad |= mask;
} else {
pad &= ~mask;
}
};
window.onkeydown = keyHandler;
window.onkeyup = keyHandler;
async function runModule(data) {
if (cancelFunction) {
@@ -30,6 +79,8 @@ async function runModule(data) {
return;
}
currentData = data;
let newURL = window.location.pathname;
if (cartridgeSize <= 1024) {
let dataString = '';
@@ -94,27 +145,36 @@ async function runModule(data) {
let instance = await instantiate(data);
let buffer = new Uint32Array(imageData.data.buffer);
let buffer = U32(imageData.data.buffer);
let startTime = Date.now();
let keepRunning = true;
cancelFunction = () => keepRunning = false;
const timePerFrame = 1000 / 60;
let nextFrame = startTime;
function mainloop() {
if (!keepRunning) {
return;
}
try {
new Uint32Array(memory.buffer)[16] = Date.now() - startTime;
instance.exports.upd();
let now = Date.now();
if(now >= nextFrame) {
let u32Mem = U32(memory.buffer);
u32Mem[16] = now - startTime;
u32Mem[17] = pad;
instance.exports.upd();
let palette = new Uint32Array(memory.buffer.slice(0x13000, 0x13000 + 1024));
for (let i = 0; i < 320 * 240; ++i) {
buffer[i] = palette[memU8[i + 120]] | 0xff000000;
let palette = U32(memory.buffer.slice(0x13000, 0x13000 + 1024));
for (let i = 0; i < 320 * 240; ++i) {
buffer[i] = palette[memU8[i + 120]] | 0xff000000;
}
canvasCtx.putImageData(imageData, 0, 0);
nextFrame = Math.max(nextFrame + timePerFrame, now);
}
canvasCtx.putImageData(imageData, 0, 0);
window.requestAnimationFrame(mainloop);
} catch (err) {