ARCADE MANUAL ARCHIVEMachine Specs, DIP Switches & Service Manuals

Mahjong Derringer (Japan)

Dynax · 1989 · raster Horizontal · 2P · mahjong/gambling · mjderngr

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Display

Type: raster Horizontal
Resolution: 256 x 240
Refresh: 60 Hz

Processors

Zilog Z80 @ 4 MHz

Audio

AY-3-8910A PSG @ 1.536 MHz
Channels: 1

Controls

Players: 2
Coin slots: 2
mahjong, 26 buttons
gambling, 2 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
DIP SW.2:1, DIP SW.2:2CoinageDIP SW.2:1 DIP SW.2:2OFF OFF 4 Coins/1 CreditON OFF 2 Coins/1 CreditON ON 1 Coin/1 Credit ✱OFF ON 1 Coin/2 Credits1 Coin/1 Credit
DIP SW.2:3Demo SoundsOFF OffON On ✱On
DIP SW.2:4Auto ReachOFF Off ✱ON OnOff
DIP SW.2:5UnknownOFF Off ✱ON OnOff
DIP SW.2:6UnknownOFF Off ✱ON OnOff
DIP SW.2:7UnknownOFF Off ✱ON OnOff
DIP SW.2:8ROM & Animation TestOFF Off ✱ON OnOff
DIP SW.1:1, DIP SW.1:2, DIP SW.1:3, DIP SW.1:4, DIP SW.1:5, DIP SW.1:6, DIP SW.1:7, DIP SW.1:8Computer StrengthDIP SW.1:1 DIP SW.1:2 DIP SW.1:3 DIP SW.1:4 DIP SW.1:5 DIP SW.1:6 DIP SW.1:7 DIP SW.1:8ON OFF OFF OFF OFF OFF OFF OFF 1 (Weak)OFF ON OFF OFF OFF OFF OFF OFF 2OFF OFF ON OFF OFF OFF OFF OFF 3OFF OFF OFF ON OFF OFF OFF OFF 4OFF OFF OFF OFF ON OFF OFF OFF 5 (Normal) ✱OFF OFF OFF OFF OFF ON OFF OFF 6OFF OFF OFF OFF OFF OFF ON OFF 7OFF OFF OFF OFF OFF OFF OFF ON 8 (Strong)5 (Normal)