HAL21 | 1985

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Notes:

Release type:
Developer: SNK
Controls/Input Device: Control(joy8way), Buttons(2)
Number of Players: 2
Rating:
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SoundMix: Mono

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URL: Official:
URL: Rules:
URL: Hints:
URL: Cheats:
URL: Reviews:
HAL21 VGMuseum Game Endings
HAL21 on CAESAR
HAL21 high score and replay at MARP
HAL21 on datObase

Mameinfo.dat entry:
0.37b10 [Yochizo]


WIP:

- 0.147u2: hap fixed clone Omega Fighter Special. The game fails to boot or finish post. After showing bad rom errors, the game resets.

- 0.147u1: Fixed maincpu rom loading.

- 0.122u7: Fixed gfx1/2/3/4/5 rom loading.

- 0.89u3: Changed Z80 CPU2 clock speed to 5MHz.

- 0.37b10: Yochizo added 'Omega Fighter' (UPL 1989) and clone Omega Fighter Special.

- 21st November 2000: Yochizo fixed some graphics bugs in the Omega Fighter / Atomic Robo-kid driver.

- 8th November 2000: Yochizo sent in a driver for Omega Fighter and Atomic Robo-kid.

- 25th April 1999: Dumped Omega Fighter Special.


LEVELS: 8 (restarts once)


Other Emulators:

* FB Alpha

* JFF

* Raine


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Romset: 2016 kb / 8 files / 457.8 zip


Credits Mameinfo and Mametesters Project Robert J. Rabgno et al.

History.dat entry:
HAL 21 (c) 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.

- CONTRIBUTE -

Edit this entry: http://www.arcade-history.com/?&page=detail&id=1066&o=2


Licensed from Alexis Bousiges under a CC Attribution 3.0 License

cheat.dat entry:
00000000 FC7C 00000008 FFFFFFFF Infinite Lives PL1
00000000 FC71 00000000 FFFFFFFF Invincibility PL1
00000000 FCB8 00000008 FFFFFFFF Infinite Lives PL2
00000000 FCAD 00000000 FFFFFFFF Invincibility PL2

Credit Pugsy's MAME Cheat file

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