Alpha Fighter + Head On © 198? Data East.
Compilation of two old Data East games.
Main CPU : Zilog Z80 (@ 1.93356 Mhz)
Sound Chips : Discrete circuitry.
Screen orientation : Vertical
Video resolution : 224 x 256 pixels
Screen refresh : 60.00 Hz
Palette colors : 64
Players : 2
Control : 4-way joystick
Buttons : 2
Game's ROM.