~~NOTRANS~~

====== Dragon Alpha Prototype [dgnalpha] ======

**Dragon Data Ltd, 1984**

Driver: [[mess:drivers:coco|coco.c]] \\
Clone of: [[mess:drivers:coco:coco|coco]]

===== Status =====

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

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

==== CPUs ====

^ Type ^ Name ^ Clock ^
|  ''CPU'' |  ''M6809E'' |  ''3.579544 MHz'' |
|  ''AUDIO'' |  ''AY-3-8912A'' |  ''1 MHz'' |

==== Display ====

  * 320x239 at 50 Hz (Raster, no rotation)

==== Sound ====

  * Channels: 1
  * DAC
  * Cassette

==== Inputs ====

  * Players: 2, Buttons: 1
    * stick

==== RAM Sizes ====

  * 65536 bytes

==== ROMs ====

^ Name ^ Size ^ CRC32 ^ SHA1 ^ Region ^ Offset ^
|  ''alpha_bt.rom'' |  ''8192'' |  ''c3dab585'' |  ''4a5851aa66eb426e9bb0bba196f1e02d48156068'' |  ''CPU1'' |  ''2000'' |
|  ''alpha_ba.rom'' |  ''16384'' |  ''84f68bf9'' |  ''1983b4fb398e3dd9668d424c666c5a0b3f1e2b69'' |  ''CPU1'' |  ''8000'' |

==== Devices ====

^ Name ^ Instances ^ Extensions ^
| Printer | prin | prn |
| Snapshot | dump | pak |
| Cassette | cass | wav, cas |
| Floppydisk | flop0 | dsk, os9, vdk, dmk |
| Floppydisk | flop1 | dsk, os9, vdk, dmk |
| Floppydisk | flop2 | dsk, os9, vdk, dmk |
| Floppydisk | flop3 | dsk, os9, vdk, dmk |
| Cartridge | cart | ccc, rom |

===== Screenshots =====

{{gallery>mess:drivers:coco:dgnalpha?0}}

{{tag>system dgnalpha dragon_data_ltd 1984 m6809e ay-3-8912a printer snapshot cassette floppydisk floppydisk floppydisk floppydisk cartridge}}