Mahjong Vegas (Japan, unprotected)
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Display
Type: raster Horizontal
Resolution: 256 x 240
Refresh: 60 Hz
Processors
Toshiba TMP90841 @ 8 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
| Switch | Setting | Options | Default |
|---|---|---|---|
| DIP-SW 1:1, DIP-SW 1:2, DIP-SW 1:3, DIP-SW 1:4 | Payout Rate | DIP-SW 1:1 DIP-SW 1:2 DIP-SW 1:3 DIP-SW 1:4ON 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% |
| DIP-SW 1:5, DIP-SW 1:6 | Odds Rate | DIP-SW 1:5 DIP-SW 1:6OFF 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 |
| DIP-SW 1:7, DIP-SW 1:8 | Maximum Bet | DIP-SW 1:7 DIP-SW 1:8OFF OFF 1ON OFF 5OFF ON 10 ✱ON ON 20 | 10 |
| DIP-SW 2:1, DIP-SW 2:2 | Coinage | DIP-SW 2:1 DIP-SW 2:2OFF 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 |
| DIP-SW 2:3, DIP-SW 2:4 | Minimum Bet | DIP-SW 2:3 DIP-SW 2:4OFF OFF 1 ✱ON OFF 2OFF ON 3ON ON 5 | 1 |
| DIP-SW 2:5, DIP-SW 2:6, DIP-SW 2:7 | Yakuman Bonus Cycle | DIP-SW 2:5 DIP-SW 2:6 DIP-SW 2:7OFF OFF OFF NoneON OFF OFF First time onlyOFF ON OFF Every 300 coinsON ON OFF Every 500 coinsOFF OFF ON Every 700 coins ✱ON OFF ON Every 1000 coins | Every 700 coins |
| DIP-SW 2:8 | Yakuman Bonuses Per Cycle | ON 1OFF 2 ✱ | 2 |
| DIP-SW 3:1 | Payout Mode | OFF Key-out ✱ON Hopper | Key-out |
| DIP-SW 3:2 | Hopper Polarity | OFF Normal ✱ON Inverted | Normal |
| DIP-SW 3:3 | Service Count | OFF OffON On ✱ | On |
| DIP-SW 3:4 | Double Bet | OFF OffON On ✱ | On |
| DIP-SW 3:5 | Renchan Rate | OFF OffON On ✱ | On |
| DIP-SW 3:6 | Auto Reach | OFF OffON On ✱ | On |
| DIP-SW 3:7 | Automatic Tsumo | OFF Off ✱ON On | Off |
| DIP-SW 3:8 | Service Point | OFF Off ✱ON On | Off |
| DIP-SW 4:1 | Last Chance | OFF OffON On ✱ | On |
| DIP-SW 4:2 | Show In-Game Clock | OFF NoON Yes ✱ | Yes |
| DIP-SW 4:3 | Show Renchan Gal | OFF NoON Yes ✱ | Yes |
| DIP-SW 4:4 | Background Color | OFF BlackON Gray ✱ | Gray |
| DIP-SW 4:5 | Demo Sounds | OFF OffON On ✱ | On |
| DIP-SW 4:6 | In-Game Music | OFF OffON On ✱ | On |
| DIP-SW 4:7 | Time Service Frequency | ON Normal ✱OFF High | Normal |
| DIP-SW 4:8 | Unknown | OFF Off ✱ON On | Off |
| DIP-SW 1:9 | Credits Per Note | OFF 5OFF 10OFF 25OFF 50ON 10ON 20ON 50ON 100 ✱ | 100 |
| DIP-SW 1:10 | Flip Screen | OFF Off ✱ON On | Off |
| DIP-SW 2:9 | Computer Strength | ON Normal ✱OFF Strong | Normal |
| DIP-SW 2:10 | Payout Variation | ON Normal ✱OFF Large | Normal |
| DIP-SW 3:9 | Don Den Key | OFF StartON Flip Flop ✱ | Flip Flop |
| DIP-SW 3:10 | Don Den Count | ON 5 ✱OFF 8 | 5 |
| DIP-SW 4:9 | Unknown | OFF Off ✱ON On | Off |
| DIP-SW 4:10 | Debug Mode | OFF Off ✱ON On | Off |