Bio Attack
▶ Open in the searchable database
Display
Type: raster Vertical
Resolution: 256 x 224
Refresh: 59.19 Hz
Processors
Zilog Z80 @ 4 MHz
Zilog Z80 @ 3 MHz
Audio
AY-3-8910A PSG @ 1.5 MHz
AY-3-8910A PSG @ 1.5 MHz
AY-3-8910A PSG @ 1.5 MHz
AY-3-8910A PSG @ 1.5 MHz
8-Bit R-2R DAC
Discrete Sound @ 1.536 MHz
Channels: 1
Controls
Players: 2
Coin slots: 3
joy, 8-way, 1 button
joy, 8-way, 1 button
DIP Switch Settings
Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more
| Switch | Setting | Options | Default |
|---|---|---|---|
| SWA:1, SWA:2 | Bonus Life | SWA:1 SWA:2OFF OFF 5000 ✱ON OFF 10000OFF ON 15000ON ON 20000 | 5000 |
| SWA:3 | Unknown | OFF Off ✱ON On | Off |
| SWA:4, SWA:5 | Lives | SWA:4 SWA:5OFF OFF 3 ✱ON OFF 4OFF ON 5ON ON 6 | 3 |
| SWA:6 | Unknown | OFF Off ✱ON On | Off |
| SWA:7 | Flip Screen | ON Off ✱OFF On | Off |
| SWA:8 | Cabinet | ON Upright ✱OFF Cocktail | Upright |
| SWB:1, SWB:2, SWB:3, SWB:4 | Coin A | SWB:1 SWB:2 SWB:3 SWB:4OFF OFF OFF OFF 9 Coins/1 CreditON OFF OFF OFF 8 Coins/1 CreditOFF ON OFF OFF 7 Coins/1 CreditON ON OFF OFF 6 Coins/1 CreditOFF OFF ON OFF 5 Coins/1 CreditON OFF ON OFF 4 Coins/1 CreditOFF ON ON OFF 3 Coins/1 CreditON ON ON OFF 2 Coins/1 CreditON ON ON ON 1 Coin/1 Credit ✱OFF ON ON ON 1 Coin/2 CreditsON OFF ON ON 1 Coin/3 CreditsOFF OFF ON ON 1 Coin/4 CreditsON ON OFF ON 1 Coin/5 CreditsOFF ON OFF ON 1 Coin/6 CreditsON OFF OFF ON 1 Coin/7 CreditsOFF OFF OFF ON 1 Coin/8 Credits | 1 Coin/1 Credit |
| SWB:5, SWB:6, SWB:7, SWB:8 | Coin B | SWB:5 SWB:6 SWB:7 SWB:8OFF OFF OFF OFF 9 Coins/1 CreditON OFF OFF OFF 8 Coins/1 CreditOFF ON OFF OFF 7 Coins/1 CreditON ON OFF OFF 6 Coins/1 CreditOFF OFF ON OFF 5 Coins/1 CreditON OFF ON OFF 4 Coins/1 CreditOFF ON ON OFF 3 Coins/1 CreditON ON ON OFF 2 Coins/1 CreditON ON ON ON 1 Coin/1 Credit ✱OFF ON ON ON 1 Coin/2 CreditsON OFF ON ON 1 Coin/3 CreditsOFF OFF ON ON 1 Coin/4 CreditsON ON OFF ON 1 Coin/5 CreditsOFF ON OFF ON 1 Coin/6 CreditsON OFF OFF ON 1 Coin/7 CreditsOFF OFF OFF ON 1 Coin/8 Credits | 1 Coin/1 Credit |
| SWC:1 | Unknown | OFF Off ✱ON On | Off |
| SWC:2 | Unknown | OFF Off ✱ON On | Off |
| SWC:3 | Unknown | OFF Off ✱ON On | Off |
| SWC:4 | Unknown | OFF Off ✱ON On | Off |
| SWC:5 | Unknown | OFF Off ✱ON On | Off |
| SWC:6 | Year Display | ON NoOFF Yes ✱ | Yes |
| SWC:7 | Hit Detection | OFF Normal Game ✱ON No Hit | Normal Game |
| SWC:8 | Coin Slots | OFF A and B ✱ON A only | A and B |