# nes-js This is JavaScript NES(Famicom) emulator which runs on browser. ## Demo [Demo](http://takahirox.github.io/nes-js/index.html) ## Screenshot ![Screen shot](https://github.com/takahirox/takahirox.github.io/blob/master/images/nesemu.png) ## Features - iNES format rom image support - Renders with Canvas - Audio support with WebAudio - Runs on browser ## Browser ### How to use ```html

``` ## 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 ```html 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 ## Links - Nes Dev - http://wiki.nesdev.com/w/index.php/Nesdev_Wiki