Mahjong Ikaga Desu ka (Japan)
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Display
Type: raster Horizontal
Resolution: 432 x 224
Refresh: 59 Hz
Processors
Motorola MC6809E @ 2 MHz
NEC uPD7807 @ 9 MHz
Audio
SN76489A @ 4 MHz
8-Bit R-2R DAC
Channels: 1
Controls
Players: 2
Coin slots: 1
mahjong, 21 buttons
mahjong, 21 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 | Unknown | OFF Off ✱ON On | Off |
| SW1:2 | Unknown | OFF Off ✱ON On | Off |
| SW1:3 | Unknown | OFF Off ✱ON On | Off |
| SW1:4 | Demo Sounds | OFF On ✱ON Off | On |
| SW1:5 | Unknown | OFF Off ✱ON On | Off |
| SW1:6 | In-Game BGM | OFF On ✱ON Off | On |
| SW1:7 | Unknown | OFF Off ✱ON On | Off |
| SW1:8 | Unknown | OFF Off ✱ON On | Off |
| SW2:4 | Service Mode | OFF Off ✱ON On | Off |
| SW2:3 | Flip Screen | OFF Off ✱ON On | Off |
| SW2:1, SW2:2 | Coinage | SW2:1 SW2:2ON 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 |