Alpha One (Vision Electronics)
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Display
Type: raster Horizontal
Resolution: 240 x 256
Refresh: 56.74 Hz
Processors
Zilog Z80 @ 3.072 MHz
Motorola MC6803 @ 3.58 MHz
Audio
AY-3-8910A PSG @ 894.9 kHz
AY-3-8910A PSG @ 894.9 kHz
OKI MSM5205 ADPCM @ 384 kHz
Discrete Sound
Channels: 1
Controls
Players: 2
Coin slots: 2
joy, 8-way, 2 buttons
joy, 8-way, 2 buttons
DIP Switch Settings
Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more
Physical switch positions not available for this machine in MAME.
| Setting | Options | Default |
|---|---|---|
| Lives | 23 ✱45 | 3 |
| Cabinet | Upright ✱Cocktail | Upright |
| Unused | Off ✱On | Off |
| Allow Continue | NoYes ✱ | Yes |
| Unused | Off ✱On | Off |
| Unused | Off ✱On | Off |
| Unused | Off ✱On | Off |
| Coin A | 4 Coins/1 Credit3 Coins/1 Credit2 Coins/1 Credit1 Coin/1 Credit ✱ | 1 Coin/1 Credit |
| Coin B | 1 Coin/1 Credit ✱1 Coin/2 Credits1 Coin/3 Credits1 Coin/4 Credits1 Coin/5 Credits1 Coin/6 Credits1 Coin/7 Credits | 1 Coin/1 Credit |