EmulatorJS

# Config

# EJS_biosUrl

URL to bios file.

  • Type: string
  • Default:
  • Example: EJS_biosUrl = 'someFile.bin'

# EJS_gamePatchUrl

URL to game patch file.

  • Type: string
  • Default:
  • Example: EJS_gamePatchUrl = 'someFile.patch'

# EJS_AdUrl

URL to ad page. Will show this page when the page is loaded.

  • Type: string
  • Default:
  • Example: EJS_AdUrl = 'ad.html'

# EJS_startOnLoaded

Set to true to start the game when the page is loaded.

  • Type: boolean
  • Default: false
  • Example: EJS_startOnLoaded = true

# EJS_core

Desired target system.

  • Type: string
  • Default:
  • Example: EJS_core = 'nes'

# EJS_loadStateURL

URL to save state. To be loaded on game start. There may be a small delay in load.

  • Type: string
  • Default:
  • Example: EJS_loadStateURL = 'save.state'

# EJS_noAutoCloseAd

Will not auto-close ad iframe when play now button pressed.

  • Type: boolean
  • Default: false
  • Example: EJS_noAutoCloseAd = true

# EJS_oldCore

Will force using the old cores.

  • Type: boolean
  • Default: false
  • Example: EJS_oldCore = true

# EJS_onSaveState

Function to be called when save state button pressed.

  • Type: function
  • Default:
  • Call Arguments: An array containing a screenshot and a save state
  • Example: EJS_onSaveState = function(e) {console.log("save state button pressed!")}

# EJS_onLoadState

Function to be called when load state button pressed.

  • Type: function
  • Default:
  • Example: EJS_onLoadState = function(e) {console.log("load state button pressed!")}

# EJS_lightgun

When true, will enable nes/famicom lightgun.

  • Type: boolean
  • Default: false
  • Example: EJS_lightgun = true

# EJS_mouse

When true, will enable snes mouse.

  • Type: boolean
  • Default: false
  • Example: EJS_mouse = true

# EJS_multitap

When true, will enable snes multitap.

  • Type: boolean
  • Default: false
  • Example: EJS_multitap = true

# EJS_gameName

Set this to the title of the game. This will be used when saving states and taking screenshots.

  • Type: string
  • Default:
  • Example: EJS_loadStateURL = 'pong'

# EJS_pathtodata

The path to the data folder.

  • Type: string
  • Default: data/
  • Example: EJS_pathtodata = '/data/'

# EJS_onGameStart

Function to be called when game is started.

  • Type: function
  • Default:
  • Example: EJS_onGameStart = function(e) {console.log("The game has started!")}

# EJS_color

Emulator hex color theme.

  • Type: string
  • Default:
  • Example: EJS_pathtodata = '#00FF80'

# EJS_CacheLimit

The limit to game cache (per rom) in bytes

  • Type: number
  • Default: 1073741824 (1 GB)
  • Example: EJS_CacheLimit = 1024

# EJS_cheats

Default cheats to be stored in the cheat manager screen.

  • Type: array
  • Default:
  • Example:
EJS_cheats = [
    ["name", "value"],
    ["name2", "value2"]
]

# EJS_language

Set the emulator UI to a certian language. More information available here.

  • Type: string
  • Default: en-US

# EJS_Settings

Sets the default Volume and controller settings for the emulator. More information about controller mapping is located here.

  • Type: object
  • Default:
  • Example:
EJS_Settings = {
    volume: 0.75,
    defaultControllers:{"0":{"0":{"value":"88","value2":"1"},"1":{"value":"83","value2":"3"},"2":{"value":"16","value2":"8"},"3":{"value":"13","value2":"9"},"4":{"value":"38","value2":"12"},"5":{"value":"40","value2":"13"},"6":{"value":"37","value2":"14"},"7":{"value":"39","value2":"15"},"8":{"value":"90","value2":"0"},"9":{"value":"65","value2":"2"},"10":{"value":"81","value2":"4"},"11":{"value":"69","value2":"5"},"12":{"value":"82","value2":"6"},"13":{"value":"87","value2":"7"},"14":{},"15":{},"16":{"value":"72"},"17":{"value":"70"},"18":{"value":"71"},"19":{"value":"84"},"20":{"value":"76"},"21":{"value":"74"},"22":{"value":"75"},"23":{"value":"73"},"24":{},"25":{},"26":{}},"1":{},"2":{},"3":{}}
}

# EJS_VirtualGamepadSettings

Sets the location of what buttons. More information about the virual gamepad button customization is located here.

  • Type: object
  • Default:

# EJS_Buttons

Shows/hides buttons.

  • Type: object
  • Default:
  • Example: The following example will hide all the buttons except for the volume slider and fullscreen button.
EJS_Buttons = {
    playPause: false,
    restart: false,
    mute: false,
    settings: false,
    fullscreen: true,
    saveState: false,
    loadState: false,
    screenRecord: false,
    gamepad: false,
    cheat: false,
    volume: true,
    quickSave: false,
    quickLoad: false,
    screenshot: false,
    cacheManager: false
}

# EJS_defaultOptions

Sets the default settings menu options.

  • Type: object
  • Default:
  • Note: Available options and values will be logged when the emulator is started. Load the emulator page with EJS_DEBUG_XX on, click the play button, then on load there should be a log in the console supported menu options. If you use the one that logs on page load, not all options will be available and not all options will be supported.
  • Example:
EJS_defaultOptions = {
    'shader':'crt-mattias.glslp',
    'save-state-slot': 4,
    'save-state-location': 'keep in browser'
}

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