ARCADE MANUAL ARCHIVEMachine Specs, DIP Switches & Service Manuals

Chopper I (US Ver 2)

SNK · 1988 · raster Vertical · 2P · joy · chopper

Also known as: Koukuu Kihei Monogatari - The Legend of Air Cavalry

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Display

Type: raster Vertical
Resolution: 400 x 224
Refresh: 60 Hz

Processors

3x Zilog Z80 @ 4 MHz

Audio

YM3812 OPL2 @ 4 MHz
Y8950 OPL MSX-Audio @ 4 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

SwitchSettingOptionsDefault
DIP1:3, DIP2:5, DIP2:6Bonus LifeDIP1:3 DIP2:5 DIP2:6ON OFF OFF 50k 100k 100k+ ✱ON ON OFF 75k 150k 150k+ON OFF ON 100k 200k 200k+OFF OFF OFF 50k 100kOFF ON OFF 75k 150kOFF OFF ON 100k 200kON ON ON None50k 100k 100k+
DIP1:1Flip ScreenOFF Off ✱ON OnOff
DIP1:2CabinetOFF Upright ✱ON CocktailUpright
DIP1:4LivesOFF 3 ✱ON 53
DIP1:5, DIP1:6Coin ADIP1:5 DIP1:6ON ON 4 Coins/1 CreditOFF ON 3 Coins/1 CreditON OFF 2 Coins/1 CreditOFF OFF 1 Coin/1 Credit ✱1 Coin/1 Credit
DIP1:7, DIP1:8Coin BDIP1:7 DIP1:8ON ON 1 Coin/2 Credits ✱OFF ON 1 Coin/3 CreditsON OFF 1 Coin/4 CreditsOFF OFF 1 Coin/6 Credits1 Coin/2 Credits
DIP2:1, DIP2:2DifficultyDIP2:1 DIP2:2ON OFF EasyOFF OFF Normal ✱OFF ON HardON ON HardestNormal
DIP2:3, DIP2:4Game ModeDIP2:3 DIP2:4ON OFF Demo Sounds OffOFF OFF Demo Sounds On ✱ON ON FreezeOFF ON Infinite Lives (Cheat)Demo Sounds On
DIP2:7Allow ContinueON NoOFF Yes ✱Yes
DIP2:8Invulnerability (Cheat)OFF Off ✱ON OnOff