41 lines
834 B
JavaScript
41 lines
834 B
JavaScript
'use strict';
|
|
|
|
function _waitForStart(mod) {
|
|
return new Promise((resolve, reject)=>{
|
|
mod.addOnPostRun(resolve);
|
|
});
|
|
}
|
|
|
|
module.exports = () => {
|
|
// let state = 0; // idle
|
|
// let total = 0;
|
|
// let start = 0;
|
|
|
|
const wasm = require('../out/vcd.js');
|
|
|
|
|
|
let start = async() => {
|
|
await _waitForStart(wasm);
|
|
}
|
|
|
|
return {
|
|
start,
|
|
log: () => {
|
|
console.log(wasm);
|
|
},
|
|
onB: (time, cmd) => {
|
|
|
|
},
|
|
onNotB: (time, cmd) => {
|
|
switch(state) {
|
|
case 0: if (cmd === 14) { state = 2; } break;
|
|
case 1: if (cmd === 14) { state = 3; start = time; } break;
|
|
case 2: if (cmd === 15) { state = 0; } break;
|
|
case 3: if (cmd === 15) { state = 1; total += (time - start); start = 0; } break;
|
|
default: throw new Error();
|
|
}
|
|
},
|
|
time: () => total + start
|
|
};
|
|
};
|