Sky Alert
▶ Open in the searchable database
Display
Type: raster Vertical
Resolution: 360 x 224
Refresh: 58.23 Hz
Processors
Motorola MC68000 @ 12 MHz
NEC uPD78C10 @ 12 MHz
Audio
OKI MSM6295 ADPCM @ 1.2 MHz
YM2413 OPLL @ 3.58 MHz
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
| Switch | Setting | Options | Default |
|---|---|---|---|
| SW1:1, SW1:2, SW1:3 | Coin A | SW1:1 SW1:2 SW1:3OFF ON ON 4 Coins/1 CreditON OFF ON 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 OFF 1 Coin/4 CreditsON ON ON Free Play | 1 Coin/1 Credit |
| SW1:4, SW1:5, SW1:6 | Coin B | SW1:4 SW1:5 SW1:6OFF ON ON 4 Coins/1 CreditON OFF ON 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 OFF 1 Coin/4 CreditsON ON ON Free Play | 1 Coin/1 Credit |
| SW1:7 | Flip Screen | OFF Off ✱ON On | Off |
| SW1:8 | Service Mode | OFF Off ✱ON On | Off |
| SW2:1, SW2:2 | Difficulty | SW2:1 SW2:2ON OFF EasyOFF OFF Normal ✱OFF ON HardON ON Hardest | Normal |
| SW2:3, SW2:4 | Lives | SW2:3 SW2:4ON OFF 1OFF ON 2OFF OFF 3 ✱ON ON 4 | 3 |
| SW2:5, SW2:6 | Bonus Life | SW2:5 SW2:6OFF OFF 100K, every 400K ✱ON OFF 200K, every 400KOFF ON 200KON ON None | 100K, every 400K |
| SW2:7 | Allow Continue | ON NoOFF Yes ✱ | Yes |
| SW2:8 | Demo Sounds | ON OffOFF On ✱ | On |