ARCADE MANUAL ARCHIVEMachine Specs, DIP Switches & Service Manuals

Bombjack Twin (set 1)

NMK · 1993 · raster Vertical · 2P · joy · bjtwin

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Display

Type: raster Vertical
Resolution: 384 x 224
Refresh: 56.21 Hz

Processors

Motorola MC68000 @ 10 MHz
Toshiba TMP90840 @ 4 MHz

Audio

OKI MSM6295 ADPCM @ 4 MHz
OKI MSM6295 ADPCM @ 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
SW1:8Flip ScreenOFF Off ✱ON OnOff
SW1:7, SW1:6, SW1:5Starting levelSW1:7 SW1:6 SW1:5ON ON OFF GermanyON OFF ON ThailandON OFF OFF NevadaOFF OFF OFF Japan ✱OFF OFF ON KoreaOFF ON OFF EnglandOFF ON ON Hong KongON ON ON ChinaJapan
SW1:4, SW1:3DifficultySW1:4 SW1:3ON OFF EasyOFF OFF Normal ✱OFF ON HardON ON HardestNormal
SW1:2, SW1:1LivesSW1:2 SW1:1ON ON 1OFF ON 2OFF OFF 3 ✱ON OFF 43
SW2:8UnknownOFF Off ✱ON OnOff
SW2:7Demo SoundsON OffOFF On ✱On
SW2:6, SW2:5, SW2:4Coin BSW2:6 SW2:5 SW2:4ON ON OFF 4 Coins/1 CreditON OFF ON 3 Coins/1 CreditON OFF OFF 2 Coins/1 CreditOFF OFF OFF 1 Coin/1 Credit ✱OFF OFF ON 1 Coin/2 CreditsOFF ON OFF 1 Coin/3 CreditsOFF ON ON 1 Coin/4 CreditsON ON ON Free Play1 Coin/1 Credit
SW2:3, SW2:2, SW2:1Coin ASW2:3 SW2:2 SW2:1ON ON OFF 4 Coins/1 CreditON OFF ON 3 Coins/1 CreditON OFF OFF 2 Coins/1 CreditOFF OFF OFF 1 Coin/1 Credit ✱OFF OFF ON 1 Coin/2 CreditsOFF ON OFF 1 Coin/3 CreditsOFF ON ON 1 Coin/4 CreditsON ON ON Free Play1 Coin/1 Credit