rauchg/gameboy

gameboy

NPM module that exports the GameBoyCore.js file from grantgalitz/GameBoy-Online

Changes:

• Converted into module.
• Avoids using globals.
• Cleaner interface for options tuning.
• Compatible with browsers and node.js.
• Removed js-based resizing in favor of browser's.
• Allow for ROM input as Buffer or ArrayBuffer instead of deprecated binary strings
• Linting.
• Removed unneeded dependencies.
• Main interface turned into an Emitter.
• Incorporated debug.
• Added server-side usage examples

How to use

var gb = require('gameboy');
gb(canvasElement, romData, opts);

Options

• bootRom - boot with boot ROM first (true)
• gbBootRom - use gameboy boot ROM instead of gameboy color (false)
• mbc1 - allow for MCB1 instead of ROM only (false)
• prioritizeGb - give priority to gameboy mode (false)
• interval - emulator loop interval (6)
• canvas - custom canvas constructor (null)
• imageSmoothing - smooth images when resizing (true)
• drawEvents - emit draw (false)
• sound - sound interface (null)
• volume - volume level (1)
• audioBufferMin - minimum span amount over x interpreter iterations (10)
• audioBufferMax - maximum span amount over x interpreter iterations (20)
• colorizeGb - colorize gameboy mode (true)
• overrideMbc - override MBC RAM disabling and always allow reading and writing to the banks (false)
• typedArrays - use typed arrays (true)
• channels - user controlled channel enables ([true,true,true,true])

Events

• draw raised only if drawEvents is true whenever a draw to the canvas occurs
• error raised when emulation should be paused due to unexpected behavior

License

GPL2 - Copyright (C) 2010 - 2012 Grant Galitz

gameboy's Issues

TypeError: Cannot read property 'overrideMbc' of undefined

when I run "node index.js", it throw the bug below:

TypeError: Cannot read property 'overrideMbc' of undefined
at Array.GameBoyCore.memoryWriteMBCRAM (/home/cuebyte/workspaces/weplay-emulator/node_modules/gameboy/index.js:8376:48)
at Array.GameBoyCore.OPCODE.parentObj.stackPointer as 50
at GameBoyCore.executeIteration (/home/cuebyte/workspaces/weplay-emulator/node_modules/gameboy/index.js:5867:33)
at GameBoyCore.run (/home/cuebyte/workspaces/weplay-emulator/node_modules/gameboy/index.js:5809:16)
at wrapper as _onTimeout
at Timer.listOnTimeout as ontimeout

is this the bug of gameboy? how to fix it?

How to server-side

Hey, i m new to node.js and need help. I try to run this Projekt server-side with node-Canvas.

Here is my code:

var join = require('path').join;
var fs = require('fs');
var http = require('http');
var gb = require('gameboy');

var Canvas = require('canvas')
, canvas = new Canvas(160,144);

var file = "blau.gb";
if ('/' != file[0]) file = join(process.cwd(), file);
var rom = fs.readFileSync(file);

gb(canvas,rom,[]);

http.createServer(function(req,res){
res.writeHead(200, {'Content-Type':'text/html'});
res.end(''
+ ''
+ '' );
}).listen(44444);

I think i need to understand, how this all works, because my canvas stays white :(...

Thanks ugogon