MIX SCREEN 1 DEMO by WebGL

import { MIXScreen1 } from "./MIXScreen1.js";
import { rnd } from "https://js.sabae.cc/rnd.js";

const scr1 = new MIXScreen1();
main.appendChild(scr1);

const draw = () => {
  const fontROM = scr1.fontROM;
  const textVRAM = scr1.textVRAM;

  const n = 10;
  for (let i = 0; i < n; i++) {
    textVRAM[rnd(textVRAM.length)] = rnd(256);
  }
  const m = rnd(256);
  for (let i = 0; i < 8; i++) {
    fontROM[m * 8 + i] ^= 0xff;
  }
  
  scr1.draw();
  requestAnimationFrame(draw);
};
draw();