Orbitron (c) 198? Signatron USA.

>>> TECHNICAL DETAILS
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Main CPU : Z80 (@ 3.072 Mhz)
Sound Chips : Tone generator and discrete circuits
Screen orientation : Vertical
Video resolution : 224 x 256 pixels
Screen refresh : 60.61 Hz
Palette colors : 98
Players : 2
Control : 8-way joystick
Buttons : 1

>>> GAME PORTS TO OTHER SYSTEMS
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* Computers :
Commodore C64 (1984)

>>> OTHER GAME RESOURCES
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Game's rom.