Defence Command © 1981 Outer Limits.
This game is a bootleg of "Defender".
Main CPU : Motorola M6809 (@ 1 Mhz)
Sound CPU : M6808 (@ 894.75 Khz)
Sound Chips : DAC
Screen orientation : Horizontal
Video resolution : 294 x 239 pixels
Screen refresh : 60.00 Hz
Palette colors : 16
Players : 2
Control : 2-way joystick (vertical)
Buttons : 5
Game's ROM.
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