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HAL 21

Arcade Video game published 39 years ago by SNK Corp.

Listed in MAME

HAL 21 screenshot

HAL 21 © 1985 SNK.

A vertically scrolling shoot 'em up from SNK.

TECHNICAL

Main CPU : (2x) Zilog Z80 (@ 4 Mhz)
Sound CPU : Zilog Z80 (@ 4 Mhz)
Sound Chips : (2x) General Instrument AY8910 (@ 1.5 Mhz)

Players : 2
Control : 8-way joystick
Buttons : 2

TRIVIA

Released in March 1985 in Japan.

SOURCES

Game's ROM.