Mahjong X-Tal 7 - Crystal Mahjong (c) 1990 Dynax.

>>> TECHNICAL DETAILS
---------------------
Main CPU : Z80 (@ 5.5 Mhz)
Sound Chips : AY8910 (@ 1.375 Mhz), YM2413 (@ 3.579545 Mhz), MSM5205 (@ 384 Khz)
Screen orientation : Horizontal
Video resolution : 512 x 240 pixels
Screen refresh : 60.00 Hz
Palette colors : 4096
Players : 1

>>> TRIVIA
----------
Also known as 'Mahjong Diamond 7'.

>>> OTHER GAME RESOURCES
---------------------
Game's rom.