Jan Oh (set 2)
Technical
CPU
- maincpu Z80 (@ 4 Mhz)
- sub Z80 (@ 4 Mhz)
Chipset
- AY-3-8910A (@ 1 Mhz)
Display
- Orientation Yoko
- Resolution 255 x 240
- Frequency 60 Hz
Controlers
- Number of players 2
- Number of buttons 0
- Kind of controler mahjong