Mahjong Focus (Japan 890313)
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Display
Type: raster Horizontal
Resolution: 512 x 240
Refresh: 60 Hz
Processors
Zilog Z80 @ 5 MHz
Audio
YM3812 OPL2 @ 2.5 MHz
8-Bit R-2R DAC
Channels: 1
Controls
Players: 2
Coin slots: 1
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 |
|---|---|---|---|
| SWA:1, SWA:2, SWA:3 | Difficulty | SWA:1 SWA:2 SWA: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) |
| SWA:4 | Coinage | OFF 1 Coin/1 Credit ✱ON 1 Coin/2 Credits | 1 Coin/1 Credit |
| SWA:5 | Character Display Test | OFF Off ✱ON On | Off |
| SWA:6 | Flip Screen | OFF Off ✱ON On | Off |
| SWA:7 | Unused | OFF Off ✱ON On | Off |
| SWA:8 | Unused | OFF Off ✱ON On | Off |