ARCADE MANUAL ARCHIVEMachine Specs, DIP Switches & Service Manuals

AV-Mahjong Two Shot (Japan Ver 1.00 1990/05/21)

Nichibutsu · 1990 · raster Horizontal · 2P · mahjong · avmjts

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Display

Type: raster Horizontal
Resolution: 512 x 240
Refresh: 60 Hz

Processors

Zilog Z80 @ 5 MHz

Audio

YM3812 OPL2 @ 2.5 MHz
8-Bit R-2R DAC
Channels: 1

Controls

Players: 2
Coin slots: 1
mahjong, 26 buttons
mahjong, 26 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
SWA:1, SWA:2, SWA:3DifficultySWA:1 SWA:2 SWA:3OFF OFF OFF 1 (Easy) ✱ON OFF OFF 2OFF ON OFF 3ON ON OFF 4OFF OFF ON 5ON OFF ON 6OFF ON ON 7ON ON ON 8 (Hard)1 (Easy)
SWA:4CoinageOFF 1 Coin/1 Credit ✱ON 1 Coin/2 Credits1 Coin/1 Credit
SWA:5Character Display TestOFF Off ✱ON OnOff
SWA:6Flip ScreenOFF Off ✱ON OnOff
SWA:7UnusedOFF Off ✱ON OnOff
SWA:8UnusedOFF Off ✱ON OnOff