Mahjong Sisters (c) 1986 Toaplan.
Mahjong sisters unite!

>>> TECHNICAL DETAILS
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Main CPU : Z80 (@ 6 Mhz)
Sound Chips : AY8910 (@ 1.5 Mhz), DAC (@ 1.5 Mhz)
Screen orientation : Horizontal
Video resolution : 260 x 240 pixels
Screen refresh : 60.00 Hz
Palette Colors : 256
Players : 1
Control : mahjong keyboard

>>> OTHER GAME RESOURCES
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Game's rom.