HAL21
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Display
Type: raster Vertical
Resolution: 288 x 216
Refresh: 60 Hz
Processors
2x Zilog Z80 @ 3.35 MHz
Zilog Z80 @ 4 MHz
Audio
AY-3-8910A PSG @ 2 MHz
AY-3-8910A PSG @ 2 MHz
Channels: 1
Controls
Players: 2
Coin slots: 1
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
| Switch | Setting | Options | Default |
|---|---|---|---|
| DIP2:1, DIP1:7, DIP1:8 | Bonus Life | DIP2:1 DIP1:7 DIP1:8OFF OFF OFF 20k 60k 60k+ ✱OFF ON OFF 40k 90k 90k+OFF OFF ON 50k 120k 120k+ON OFF OFF 20k 60kON ON OFF 40k 90kON OFF ON 50k 120kON ON ON None | 20k 60k 60k+ |
| DIP1:1 | Unused | OFF Off ✱ON On | Off |
| DIP1:2 | Cabinet | OFF Upright ✱ON Cocktail | Upright |
| DIP1:3 | Lives | OFF 3 ✱ON 5 | 3 |
| DIP1:4, DIP1:5, DIP1:6 | Coinage | DIP1:4 DIP1:5 DIP1:6ON ON OFF 3 Coins/1 CreditOFF OFF ON 2 Coins/1 CreditOFF OFF OFF 1 Coin/1 Credit ✱ON OFF OFF 1 Coin/2 CreditsOFF ON OFF 1 Coin/3 CreditsON ON ON Free Play | 1 Coin/1 Credit |
| DIP2:2, DIP2:3 | Difficulty | DIP2:2 DIP2:3OFF OFF Easy ✱ON OFF NormalOFF ON HardON ON Hardest | Easy |
| DIP2:4, DIP2:5 | Game mode | DIP2:4 DIP2:5OFF OFF Demo Sounds OffON OFF Demo Sounds On ✱ON ON FreezeOFF ON Infinite Lives (Cheat) | Demo Sounds On |
| DIP2:6 | Flip Screen | OFF Off ✱ON On | Off |
| DSW2:7 | Unused | OFF Off ✱ON On | Off |
| DIP2:8 | Allow Continue | OFF NoON Yes ✱ | Yes |