96 lines
2.0 KiB
JavaScript
96 lines
2.0 KiB
JavaScript
'use strict';
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const parseTimescale = require('./parse-time-scale.js');
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const MAX_SAFE_INTEGER = BigInt(Number.MAX_SAFE_INTEGER);
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const numberOrString = val => {
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if (val < MAX_SAFE_INTEGER) {
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return Number(val);
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}
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return '0x' + val.toString(16);
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};
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const gcd = (a, b) => {
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if (a === undefined) {
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return b;
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}
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let r;
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while (b !== 0) {
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r = a % b;
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a = b;
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b = r;
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}
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return (a < 0) ? -a : a;
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};
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const tNorm = o => {
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const {tgcd, chango} = o;
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o.t0 /= tgcd;
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o.time /= tgcd;
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Object.keys(chango).map(key => {
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const {wave} = chango[key];
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wave.map(e => {
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e[0] /= tgcd;
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});
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});
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const exp = Math.log10(tgcd) |0;
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if (exp > 0) {
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const scale = Math.pow(10, exp);
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const tgcd1 = tgcd / scale;
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if (tgcd1 === (tgcd1 |0)) {
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o.tgcd = tgcd1;
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o.timescale += exp;
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}
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}
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return o;
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};
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module.exports = async (deso, inst, done) => {
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const chango = {};
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let tgcd;
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deso.chango = chango;
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deso.view = [];
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const onAnyChange = (id, time, cmd, value, mask) => {
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// console.log(id, time, cmd, value, mask);
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const time53 = Number(time);
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tgcd = gcd(tgcd, time53);
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chango[id] = chango[id] || {wave: []};
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if (cmd >= 14 && cmd <= 28) {
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chango[id].kind = 'bit';
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chango[id].wave.push([time53, cmd - 14]);
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} else {
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chango[id].kind = 'vec';
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const point = [time53, numberOrString(value)];
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if (mask !== 0n) {
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point.push(numberOrString(mask));
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}
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chango[id].wave.push(point);
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}
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};
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const t0 = Date.now();
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inst.on('$enddefinitions', () => {
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// console.log('$enddefinitions');
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Object.assign(deso.wires, inst.info.wires);
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deso.timescale = parseTimescale(inst.info.timescale);
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});
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inst.change.any(onAnyChange);
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inst.on('finish', () => {
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console.log((Date.now() - t0) / 1000);
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deso.tgcd = tgcd;
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deso.t0 = (inst.info.t0 || 0);
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// console.log(inst.getTime());
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deso.time = Number(inst.getTime());
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tNorm(deso);
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done(deso);
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});
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};
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