nes-js

This is JavaScript NES(Famicom) emulator which runs on browser.

Demo

Demo

Demo with Three.js (It has a performance issue!)

WebVR Demo with Three.js (It has a serious performance issue!)

AR Demo with Three.js and jsartoolkit5 (It has a performance issue!)

Screenshot

Features

• iNES format rom image support
• Renders with Canvas
• Audio support with WebAudio
• Runs on browser

Browser

How to use

NPM

How to install

$ npm install nes-js

How to build

$ npm install
$ npm run all

Default key configuration

This table shows the key - joypad configuration set by

  window.onkeydown = function(e) { nes.handleKeyDown(e); };
  window.onkeyup = function(e) { nes.handleKeyUp(e); };

| key | joypad | |--------------|--------| | enter | start | | space | select | | cursor-left | left | | cursor-up | up | | cursor-right | right | | cursor-down | down | | x | A | | z | B |

APIs

T.B.D.

• NesJs
  • Nes
  • setRom()
  • setDisplay()
  • setAudio()
  • bootup()
  • run()
  • handleKeyDown()
  • handleKeyUp()
  • Rom
  • Display
  • Audio

TODO

• Performance optimization
• Support more many mappers
• Support unofficial CPU instructions
• Gamepad API support

Links

• Nes Dev
  • Nes Dev Wiki
• VR/AR
  • Three.js
  • jsartoolkit5