7jigen no Youseitachi - Mahjong 7 Dimensions (Japan)
Also known as: Mahjong X-Tal 7 - Crystal Mahjong / Mahjong Diamond 7
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Display
Type: raster Horizontal
Resolution: 508 x 240
Refresh: 60 Hz
Processors
Zilog Z80 @ 5.5 MHz
Audio
AY-3-8912A PSG @ 1.375 MHz
YM2413 OPLL @ 3.58 MHz
OKI MSM5205 ADPCM @ 384 kHz
Channels: 1
Controls
Players: 2
Coin slots: 1
mahjong, 20 buttons
gambling, 1 button
mahjong, 20 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 |
|---|---|---|---|
| SW. 2:1, SW. 2:2 | Coinage | SW. 2:1 SW. 2:2ON ON 3 Coins/1 CreditON OFF 2 Coins/1 CreditOFF OFF 1 Coin/1 Credit ✱OFF ON 1 Coin/2 Credits | 1 Coin/1 Credit |
| SW. 2:3 | Allow Pinfu with Tsumo | OFF NoON Yes ✱ | Yes |
| SW. 2:4, SW. 2:5, SW. 2:6 | Difficulty | SW. 2:4 SW. 2:5 SW. 2:6OFF OFF OFF 1 (Weak)ON OFF OFF 2OFF ON OFF 3ON ON OFF 4 (Normal) ✱OFF OFF ON 5ON OFF ON 6OFF ON ON 7ON ON ON 8 (Strong) | 4 (Normal) |
| SW. 2:7 | Auto Reach | OFF Off ✱ON On | Off |
| SW. 2:8 | Flip Screen | OFF Off ✱ON On | Off |
| SW. 3:1 | Demo Sounds | OFF OffON On ✱ | On |
| SW. 3:2 | Unknown | OFF Off ✱ON On | Off |
| SW. 3:3 | Unknown | OFF Off ✱ON On | Off |
| SW. 3:4 | Unknown | OFF Off ✱ON On | Off |
| SW. 3:5 | Unknown | OFF Off ✱ON On | Off |
| SW. 3:6 | Unknown | OFF Off ✱ON On | Off |
| SW. 3:7 | Computer Hand Always Open | OFF Off ✱ON On | Off |
| SW. 3:8 | Service Mode | OFF Off ✱ON On | Off |