Gun Force II (US)

Arcade 1994 Irem Platform Shooter Scrolling
A platform shooter that features incredible graphics and rock solid gameplay.
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Gun Force II (US)

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Technical

CPU
  • maincpu V33 (@ 9 Mhz)
  • soundcpu V35 (@ 14 Mhz)
Chipset
  • YM2151 (@ 3 Mhz)
  • Irem GA20 (@ 3 Mhz)
Display
  • Orientation Yoko
  • Resolution 255 x 240
  • Frequency 60 Hz
Controlers
  • Number of players 2
  • Number of buttons 2
  • Kind of controler joy (8 ways)

Gun Force II (US) Screenshots

Gun Force II (US) - Screen 1
Gun Force II (US) - Screen 2
Gun Force II (US) - Screen 3
Gun Force II (US) - Screen 4
Gun Force II (US) - Screen 5

Clones of Gun Force II (US)

Gun Force II (US) and M.A.M.E.

0.58 [David Haywood, Bryan McPhail, Chris Hardy]

WIP:
- 0.143u8: Changed description to 'Gun Force II (US)' and clone to 'Geo Storm (Japan)'.
- 0.142u3: Fixed maincpu rom loading.
- 0.104u8: Fixed rom names.
- 0.99u2: Pierpaolo Prazzoli fixed sprite drawing.
- 0.66: Bryan McPhail fixed some bugs in the NEC CPU emulation. This includes raster effect problems in clone Geostorm. Angelo Salese fixed timer in Gunforce 2. Bryan McPhail fixed scrolling in the 1st level.
- 21st February 2003: Angelo Salese fixed a V20/V30/V33 CPU core bug that caused problems with the timer in Gunforce 2 / Geostorm.
- 0.58: David Haywood added Gunforce 2 (US) (Irem 1994) and clone Geostorm (Japan).
- 25th January 2002: Chris Hardy added Geostorm, the Japan version of Gunforce 2, to the IREM M-92 driver.
- 22nd January 2002: Bryan McPhail re-added Gunforce 2 to the IREM M-92 driver with some speedups.
- 12th January 2002: Chris Hardy added sound emulation to Gunforce 2.
- 11th January 2002: Acho A. Tang submitted a modification to the IREM GA20 sound chip emulation, which partially fixes some sample pitch problems in the IREM M-92 driver.
- 5th January 2002: David Haywood added Gunforce 2 to the IREM M-92 driver, but it lacks sound and has a few minor graphics glitches.
- 4th January 2002: Guru - Received and dumped Gunforce II (Irem 1994). Thanks to PCB-A-Holic for sending the board.

LEVELS: 5 (endless)

Other Emulators:
* FB Alpha

Romset: 8320 kb / 15 files / 3.84 zip
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