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Arcade

Overview

The Arcade application is an emulator for various arcade hardware (both pre and post 90s). The underlying emulator is FinalBurn Neo version 1.0.0.2.

See this page for a detailed list of all games supported by this application.

Controls

The emulator supports up to four controllers.

Game-specific mappings for both keyboard and gamepads can be viewed by displaying the Pause Screen and then selecting the View Controls option (see screenshots below).

Keyboard

Keyboard support is only available for controller one.

Game-specific keyboard mappings can be viewed by displaying the Pause Screen and then selecting the View Controls option (see screenshot below).

Keyboard Controls Screen

Common keyboard mappings (not game-specific) are listed in the table below.

Name
Keys
 Comments
Show Pause Screen

Gamepad

Gamepads are supported for up to four controllers.

Game-specific gamepad mappings can be viewed by displaying the Pause Screen and then selecting the View Controls option (see screenshot below).

Gamepad Controls Screen

Common gamepad mappings (not game-specific) are listed in the table below.

Name
Gamepad
 Comments
Show Pause Screen  and  Not available for Xbox and not recommended for iOS (see alternate 3 or 4)

Hold down the Left Trigger and press the Menu (Start) Button.
Show Pause Screen
(Alternate)		  and  Not available for Xbox and not recommended for iOS (see alternate 3 or 4)

Hold down the Left Trigger and press the View (Back) Button.
Show Pause Screen
(Alternate 2)		  and  Not available for Xbox and not recommended for iOS (see alternate 3 or 4)

Hold down the X Button and press the View (Back) Button.
Show Pause Screen
(Alternate 3)		  and  Hold down the Left Trigger and click (press down) on the Left Thumbstick.
Show Pause Screen
(Alternate 4)		  and  Hold down the Left Trigger and click (press down) on the Right Thumbstick.

High Scores and NVRAM

Some arcade games include NVRAM and/or High Score state as a means of preserving state between sessions. The Arcade application supports persisting this state into the browser's local storage or optionally to cloud-based storage. The state will be persisted whenever the pause screen is displayed (or the game is exited). Therefore, the menu should be displayed periodically for games that support such storage to ensure state is properly persisted.

Feed

This section details how Arcade application instances can be added to feeds.

Types

The type names for the Arcade application are listed in the table below.

Unlike other applications, the Arcade application supports multiple types. Having multiple types allows for reduced binary sizes and artwork that is specific to each type. The fbneo-arcade (alias arcade) is compatible with all of the games, but will have the largest binary size. More types may be added in the future.

Type Alias Game List Description
fbneo-arcade arcade Supported Games This type supports all of the games that are compatible with the Arcade application.
fbneo-capcom arcade-capcom Supported Games This type supports Capcom games that are compatible with the Arcade application.
fbneo-konami arcade-konami Supported Games This type supports Konami games that are compatible with the Arcade application.

Note

The aliases listed above may be mapped to another arcade-based application (different emulator implementation) in the future if it is determined to be a more appropriate default.

Item Properties

The table below contains the properties that are specific to the Arcade application. These properties are specified in the props object of a feed item.

Property Type Required Details
rom URL Yes URL to the primary arcade ROM zip file.
additionalRoms Array of URLs No An array of URLs to additional arcade ROM zip files.

This is required when the primary ROM file requires additional ROM files to execute.

For example, the primary ROM might be a clone or variant that relies on the "parent" ROM file.
samples URL No URL to a zip file containing audio samples for the arcade game. A subset of games support the optional use of audio samples for sounds that are not currently emulated.
volAdjust Numeric No Adjusts the volume from its default level.

Possible values range from -99 to 99.

In the vast majority of cases this setting should never be utilized. But, for some games where the default volume level is extremely low (inaudible), this property can be used to make the sound audible.
playerOrder String No This string is used to determine the order of the players.

This is typically used for games that have characters that are mapped to a particular coin/start button. In many of these cases, the "preferred" characters are associated with players two and three. Using this string allows for mapping those players to gamepads one and two.

In the string below, gamepads one and two (zero-based) are mapped to players two and three.

2:0:1:3
zoomLevel Numeric No A numeric value indicating how much the display image should be zoomed in (0-40).

This property is typically used to hide the black borders that are present on some games.

Example

The following is an example of a complete feed that consists of a single Arcade application instance (type value of arcade). The rom property value is a URL that points to a Dropbox location that contains the game Alien Arena by Duncan Brown.

{
  "title": "Arcade",
  "categories": [
    {
      "title": "Arcade Games",
      "items": [
        {
          "type": "arcade",
          "title": "Alien Arena",
          "props": {
            "rom": "https://www.dropbox.com/s/6ei5oxyb7ye0c3e/alienar.zip"
          }
        }
      ]
    }
  ]
}

This example can be tested by adding a feed with the following URL within the webЯcade player:

https://tinyurl.com/sample-feed-arcade

References

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