ARCADE MANUAL ARCHIVEMachine Specs, DIP Switches & Service Manuals

Miracle Derby (Japan)

Home Data / Ascot · 1988 · raster Horizontal · 2P · mahjong/gambling · mirderby

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Display

Type: raster Horizontal
Resolution: 392 x 224
Refresh: 59 Hz

Processors

2x Motorola MC6809E @ 2 MHz
Zilog Z80 @ 4 MHz

Audio

YM2203 OPN @ 2 MHz
Channels: 1

Controls

Players: 2
Coin slots: 3
mahjong, 17 buttons
gambling, 3 buttons
mahjong, 5 buttons
gambling, 1 button

DIP Switch Settings

Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more

SwitchSettingOptionsDefault
SW1:1, SW1:2, SW1:3Payout RateSW1:1 SW1:2 SW1:3ON ON ON 95%OFF ON ON 90%ON OFF ON 85%OFF OFF ON 80%ON ON OFF 75%OFF ON OFF 70%ON OFF OFF 65%OFF OFF OFF 60% ✱60%
SW1:4UnknownOFF Off ✱ON OnOff
SW1:5UnknownOFF Off ✱ON OnOff
SW1:6UnknownOFF Off ✱ON OnOff
SW1:7Demo SoundsOFF OffON On ✱On
SW1:8Flip ScreenOFF Off ✱ON OnOff
SW2:1, SW2:2CoinageSW2:1 SW2:2ON ON 1 Coin/100 CreditsOFF ON 1 Coin/50 CreditsON OFF 1 Coin/20 CreditsOFF OFF 1 Coin/10 Credits ✱1 Coin/10 Credits
SW2:3UnknownOFF Off ✱ON OnOff
SW2:4UnknownOFF Off ✱ON OnOff
SW2:5UnknownOFF Off ✱ON OnOff
SW2:6UnknownOFF Off ✱ON OnOff
SW2:7UnknownOFF Off ✱ON OnOff
SW2:8UnknownOFF Off ✱ON OnOff