Mahjong Koi Uranai (Japan set 1)
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Display
Type: raster Horizontal
Resolution: 640 x 240
Refresh: 60 Hz
Processors
Toshiba TMPZ84C011 @ 6 MHz
Toshiba TMPZ84C011 @ 8 MHz
Audio
Nichibutsu Sound Device
YM3812 OPL2 @ 4 MHz
8-Bit R-2R DAC
8-Bit R-2R DAC
Channels: 1
Controls
Players: 2
Coin slots: 2
mahjong, 26 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 |
|---|---|---|---|
| DSWA:1, DSWA:2, DSWA:3 | Difficulty | DSWA:1 DSWA:2 DSWA:3OFF OFF OFF 1 (Easy) ✱ON OFF OFF 2OFF ON OFF 3ON ON OFF 4OFF OFF ON 5ON OFF ON 6OFF ON ON 7ON ON ON 8 (Hard) | 1 (Easy) |
| DSWA:4 | Coinage | OFF 1 Coin/1 Credit ✱ON 1 Coin/2 Credits | 1 Coin/1 Credit |
| DSWA:5 | Character Display Test | OFF Off ✱ON On | Off |
| DSWA:6 | Flip Screen | ON Off ✱OFF On | Off |
| DSWA:7 | Unknown | OFF Off ✱ON On | Off |
| DSWA:8 | Graphic ROM Test | OFF Off ✱ON On | Off |
| DSWB:1 | Unknown | OFF Off ✱ON On | Off |
| DSWB:2 | Unknown | OFF Off ✱ON On | Off |
| DSWB:3 | Unknown | OFF Off ✱ON On | Off |
| DSWB:4 | Unknown | OFF Off ✱ON On | Off |
| DSWB:5 | Unknown | OFF Off ✱ON On | Off |
| DSWB:6 | Unknown | OFF Off ✱ON On | Off |
| DSWB:7 | Unknown | OFF Off ✱ON On | Off |
| DSWB:8 | Unknown | OFF Off ✱ON On | Off |