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Abacus

Arcade Video game published by Unknown

Listed and emulated in MAME.

Abacus © 200? Unknown.

TECHNICAL

Nazionale Ellettronica Hardware

Main CPU: H8/3044 (@15MHz).
Sound Chips: OKI6295 (@1MHz).

Screen orientation: Horizontal.
Video Resolution: 512x256 pixels.
Refresh rate: 60Hz.
Palette colours: Unknown.

SOURCES

Game's ROM.