Mahjong Gekisha (Japan)
Also known as: Mahjong Gekisha Part II
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Display
Type: raster Horizontal
Resolution: 254 x 240
Refresh: 60 Hz
Processors
Toshiba TMP90841 @ 10 MHz
Audio
AY-3-8910A PSG @ 1.5 MHz
YM2413 OPLL @ 3 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
| Switch | Setting | Options | Default |
|---|---|---|---|
| SW1:1, SW1:2, SW1:3, SW1:4 | Payout Rate | SW1:1 SW1:2 SW1:3 SW1:4ON ON ON ON 50%OFF ON ON ON 53%ON OFF ON ON 56%OFF OFF ON ON 59%ON ON OFF ON 62%OFF ON OFF ON 65%ON OFF OFF ON 68%OFF OFF OFF ON 71% ✱ON ON ON OFF 75%OFF ON ON OFF 78%ON OFF ON OFF 81%OFF OFF ON OFF 84%ON ON OFF OFF 87%OFF ON OFF OFF 90%ON OFF OFF OFF 93%OFF OFF OFF OFF 96% | 71% |
| SW1:5, SW1:6 | Max Bet | SW1:5 SW1:6OFF OFF 1 ✱ON OFF 5OFF ON 10ON ON 20 | 1 |
| SW1:7 | Credits Per Note | OFF 5 ✱ON 10 | 5 |
| SW1:8 | Flip Screen | OFF Off ✱ON On | Off |
| SW2:1, SW2:2 | Odds Rate | SW2:1 SW2:2OFF OFF 1 2 4 8 12 16 24 32ON ON 1 2 3 5 8 15 30 50 ✱OFF ON 1 2 3 5 10 25 50 100ON OFF 1 2 3 5 10 50 100 200 | 1 2 3 5 8 15 30 50 |
| SW2:3, SW2:4 | Coinage | SW2:3 SW2:4OFF OFF 1 Coin/1 Credit ✱ON OFF 1 Coin/2 CreditsOFF ON 1 Coin/5 CreditsON ON 1 Coin/10 Credits | 1 Coin/1 Credit |
| SW2:5, SW2:6 | Min Rate To Play | SW2:5 SW2:6OFF OFF 1 ✱ON OFF 2OFF ON 3ON ON 5 | 1 |
| SW2:7 | Game Type | OFF Credit ✱ON Hopper | Credit |
| SW2:8 | Hopper Switch | OFF Active Low ✱ON Active High | Active Low |
| SW3:1, SW3:2, SW3:3 | Yakuman Bonus Cycle | SW3:1 SW3:2 SW3:3OFF OFF OFF NoneON OFF OFF First time onlyOFF ON OFF Every 300 coinsON ON OFF Every 500 coins ✱OFF OFF ON Every 700 coinsON OFF ON Every 1000 coins | Every 500 coins |
| SW3:4 | Yakuman Bonuses Per Cycle | OFF 1 ✱ON 2 | 1 |
| SW3:5 | Computer Strength | ON Normal ✱OFF Strong | Normal |
| SW3:6 | Payout Rate Change | OFF Off ✱ON On | Off |
| SW3:7 | Service Count | OFF OffON On ✱ | On |
| SW3:8 | DonDen Key | OFF A ✱ON Flip Flop | A |
| SW4:1 | Last Chance | OFF Off ✱ON On | Off |
| SW4:2 | Dice Chance | OFF Off ✱ON On | Off |
| SW4:3 | Auto Tsumo after Reach | OFF Off ✱ON On | Off |
| SW4:4 | Double Bet | OFF Off ✱ON On | Off |
| SW4:5 | Girls (Demo) | ON NoOFF Yes ✱ | Yes |
| SW4:6 | Girls (H-Scenes) | OFF Off ✱ON On | Off |
| SW4:7 | Demo Sounds | OFF OffON On ✱ | On |
| SW4:8 | Unknown 4-7 | OFF Off ✱ON On | Off |