Mahjong Gakuen
Also known as: Chi-Toitsu
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Display
Type: raster Horizontal
Resolution: 384 x 240
Refresh: 60 Hz
Processors
Zilog Z80 @ 8 MHz
Audio
OKI MSM6295 ADPCM @ 1 MHz
YM2413 OPLL @ 4 MHz
Channels: 1
Controls
Players: 2
Coin slots: 1
mahjong, 20 buttons
mahjong, 20 buttons
DIP Switch Settings
Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more
| Switch | Setting | Options | Default |
|---|---|---|---|
| DSW0:1, DSW0:2, DSW0:3 | Coinage | DSW0:1 DSW0:2 DSW0:3ON ON ON 4 Coins/1 CreditOFF ON ON 3 Coins/1 CreditON OFF ON 2 Coins/1 CreditOFF OFF OFF 1 Coin/1 Credit ✱ON OFF OFF 1 Coin/2 CreditsOFF ON OFF 1 Coin/3 CreditsON ON OFF 1 Coin/4 CreditsOFF OFF ON 1 Coin/6 Credits | 1 Coin/1 Credit |
| DSW0:4 | Rules | OFF Kantou ✱ON Kansai | Kantou |
| DSW0:5 | Harness Type | OFF GenericON Royal Mahjong ✱ | Royal Mahjong |
| DSW0:6 | Flip Screen | OFF Off ✱ON On | Off |
| DSW0:7 | Freeze | OFF Off ✱ON On | Off |
| DSW0:8 | Service Mode | OFF Off ✱ON On | Off |
| DSW1:1, DSW1:2 | Player 1 Skill | DSW1:1 DSW1:2OFF OFF Weak ✱ON OFF NormalOFF ON StrongON ON Very Strong | Weak |
| DSW1:3, DSW1:4 | Player 2 Skill | DSW1:3 DSW1:4OFF OFF Weak ✱ON OFF NormalOFF ON StrongON ON Very Strong | Weak |
| DSW1:5 | Music | OFF OffON On ✱ | On |
| DSW1:6 | Demo Sounds | OFF OffON On ✱ | On |
| DSW1:7 | Help Mode | OFF OffON On ✱ | On |
| DSW1:8 | Unknown | OFF Off ✱ON On | Off |