~~NOTRANS~~

====== BBC Micro Model A [bbca] ======

**Acorn, 1981**

Driver: [[mess:drivers:bbc|bbc.c]] \\

===== Status =====

  * Emulation: Good
  * Color: Good
  * Sound: Good
  * Graphics: Good
  * Save State: Unsupported

===== Technical Info =====

==== CPUs ====

^ Type ^ Name ^ Clock ^
|  ''CPU'' |  ''M6502'' |  ''2 MHz'' |
|  ''AUDIO'' |  ''SN76489'' |  ''4 MHz'' |

==== Display ====

  * 800x300 at 50 Hz (Raster, no rotation)

==== Sound ====

  * Channels: 1

==== Inputs ====

  * Players: 2, Buttons: 2
    * stick

==== ROMs ====

^ Name ^ Size ^ CRC32 ^ SHA1 ^ Region ^ Offset ^
|  ''os12.rom'' |  ''16384'' |  ''3c14fc70'' |  ''0d9bcaf6a393c9ce2359ed700ddb53c232c2c45d'' |  ''USER1'' |  ''10000'' |
|  ''basic2.rom'' |  ''16384'' |  ''79434781'' |  ''4a7393f3a45ea309f744441c16723e2ef447a281'' |  ''USER1'' |  ''c000'' |

==== Devices ====

^ Name ^ Instances ^ Extensions ^
| Cassette | cass | wav, csw, uef |

===== Screenshots =====

{{gallery>mess:drivers:bbc:bbca?0}}

{{tag>system bbca acorn 1981 m6502 sn76489 cassette}}