Mahjong Dunhuang
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Display
Type: raster Horizontal
Resolution: 496 x 224
Refresh: 60 Hz
Processors
Zilog Z80 @ 6 MHz
Audio
YM2413 OPLL @ 3.58 MHz
AY-3-8910A PSG @ 1.5 MHz
OKI MSM6295 ADPCM @ 1.5 MHz
Channels: 1
Controls
Players: 1
Coin slots: 1
mahjong, 25 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 | Main Game Chance (%) | SW1:1 SW1:2 SW1:3 SW1:4ON ON ON ON 78OFF ON ON ON 80ON OFF ON ON 81OFF OFF ON ON 83ON ON OFF ON 84OFF ON OFF ON 86ON OFF OFF ON 87OFF OFF OFF ON 89ON ON ON OFF 90OFF ON ON OFF 92ON OFF ON OFF 93OFF OFF ON OFF 94ON ON OFF OFF 95OFF ON OFF OFF 96ON OFF OFF OFF 97OFF OFF OFF OFF 98 ✱ | 98 |
| SW1:5, SW1:6 | Main Game Rate | SW1:5 SW1:6OFF OFF A ✱ON OFF BOFF ON CON ON D | A |
| SW1:7 | Input Tokens | OFF Keys ✱ON Coins | Keys |
| SW1:8 | Output Tokens | OFF Keys ✱ON Payout | Keys |
| SW2:1 | Unknown | OFF Off ✱ON On | Off |
| SW2:2, SW2:3 | Credits Per Coin | SW2:2 SW2:3OFF OFF 1 ✱ON OFF 2OFF ON 5ON ON 20 | 1 |
| SW2:4, SW2:5 | Credits Per Key-In | SW2:4 SW2:5OFF OFF 1 ✱ON OFF 10OFF ON 50ON ON 100 | 1 |
| SW2:6 | Credits Per Key-Out | OFF 1 ✱ON 100 | 1 |
| SW2:7, SW2:8 | Max Credits | SW2:7 SW2:8ON ON 300OFF ON 500ON OFF 1000OFF OFF 3000 ✱ | 3000 |
| SW3:1, SW3:2 | Min Bet | SW3:1 SW3:2OFF OFF 1 ✱ON OFF 2OFF ON 3ON ON 5 | 1 |
| SW3:3, SW3:4 | Max Bet | SW3:3 SW3:4OFF OFF 1 ✱ON OFF 5OFF ON 10ON ON 20 | 1 |
| SW3:5, SW3:6 | Renso Bonus Time | SW3:5 SW3:6ON ON NoneOFF ON 3ON OFF 5OFF OFF 6 ✱ | 6 |
| SW3:7, SW3:8 | DonDen Times | SW3:7 SW3:8ON ON NoneOFF ON 3ON OFF 5OFF OFF 6 ✱ | 6 |
| SW4:1, SW4:2, SW4:3 | Credits Limit | SW4:1 SW4:2 SW4:3OFF OFF OFF 2k ✱ON OFF OFF 3kOFF ON OFF 5kON ON OFF 10kOFF OFF ON 20kON OFF ON 30kOFF ON ON 50kON ON ON 100k | 2k |
| SW4:4, SW4:5, SW4:6 | Service-In Limit | SW4:4 SW4:5 SW4:6ON ON ON 20kOFF ON ON 30kON OFF ON 40kOFF OFF ON 50kON ON OFF 70kOFF ON OFF 100kON OFF OFF 200kOFF OFF OFF 990k ✱ | 990k |
| SW4:7 | Hu Type | OFF Topple ✱ON Non-Topple | Topple |
| SW4:8 | Double Up | ON NoOFF Yes ✱ | Yes |
| SW5:1, SW5:2 | Douple Up Chance (%) | SW5:1 SW5:2ON ON 50OFF ON 60ON OFF 70OFF OFF 80 ✱ | 80 |
| SW5:3 | Chinese Word | OFF 3..6 ✱ON 5..10 | 3..6 |
| SW5:4 | Big Odds Times | ON 3OFF 5 ✱ | 5 |
| SW5:5, SW5:6 | Hu Test Times | SW5:5 SW5:6OFF OFF None ✱ON ON 5OFF ON 6ON OFF 8 | None |
| SW5:7 | Demo Sounds | ON OffOFF On ✱ | On |
| SW5:8 | Computer Strength | OFF Strong ✱ON Weak | Strong |