Run user script

nodejs/src/main.ts

@@ -56,7 +56,9 @@ class MyApp {
  protected cartridge: Cartridge
  private nes: Nes
  private pad = 0
+ private additionalPad = 0
  private timer: NodeJS.Timer | undefined
+ private controller: any
 
  private audioManager = new AudioManager()
 
@@ -74,6 +76,17 @@ class MyApp {
  }
  }
 
+ async loadController(filename: string) {
+ try {
+ const jsCode = await fs.readFile(filename, 'utf8')
+ const jsCodeFn = `'use strict'; return (() => { ${jsCode} })()`
+ this.controller = Function('app', jsCodeFn)(this)
+ } catch (error) {
+ console.error(error)
+ process.exit(1)
+ }
+ }
+
  constructor() {
  this.buffer = Buffer.alloc(0) // Dummy
  this.u8buffer = new Uint8Array(this.buffer.buffer)
@@ -162,7 +175,7 @@ class MyApp {
  }
 
  private loop(elapsedTime: number): void {
- this.nes.setPadStatus(0, this.pad)
+ this.nes.setPadStatus(0, this.pad | this.additionalPad)
 
  let et = Math.min(elapsedTime, MAX_ELAPSED_TIME)
  this.nes.runMilliseconds(et)
@@ -178,6 +191,10 @@ class MyApp {
  this.prgBanks = this.prgBanksLast
  this.prgBanksLast = tmp
  }
+
+ this.additionalPad = 0
+ if (this.controller != null && this.controller.onVblank != null)
+ this.controller.onVblank()
  }
 
  private render(): void {
@@ -302,6 +319,7 @@ async function loadNesRomData(fileName: string): Promise<Uint8Array> {
 async function main(argv: string[]) {
  program
  .option('-s, --silent', 'No audio')
+ .option('--controller <file>', 'Controller script file')
  .parse(argv)
  const opts = program.opts()
  const args = program.args
@@ -313,6 +331,8 @@ async function main(argv: string[]) {
  }
 
  const myApp = new MyApp()
+ if (opts.controller != null)
+ myApp.loadController(opts.controller)
  if (args.length > 0)
  await MyApp.loadRom(myApp, args[0])
 }