MAWS - showing resource: geostorm

game

title	Geostorm (Japan)
set name	geostorm
manufacturer	Irem
year	1994
genre	Platform (hof)
category	Platform / Shooter Scrolling (hof)
driver status	good
driver source	m92.c
snapshots	MW: in game \| parent / CT: in game \| title \| parent / EJ: parent / PS: in game \| title \| scores \| parent zoom
rating	68.6% after 26 votes
parent	Gunforce 2 (US)

display

colour emulation	good
palette	2048
display type	raster
orientation	horizontal
resolution	320x240
frequency	60.000000Hz

sound

sound emulation	good
channels	mono

controls

players	2
nplayers	2P sim
controls	8 way joystick
buttons	2
coin slots	2

hardware

cpu	V33 @ 9MHz
cpu	V30 @ 7.15909MHz
audio	YM2151 @ 3.579545MHz
audio	Irem GA20 @ 3.579545MHz

data

version added

last change(s)

none

roms

name	size	crc	set	flags	sha1
geo-h0.bin	262144	9be58d09	geostorm		ab98b91abc8129c342c59674eab9683cccc6ca35
geo-l0.bin	262144	59abb75d	geostorm		52b48685470ffa3f36a8259bf333448bf40caea9
a2-h1-a.6f	262144	34280b88	gunforc2		3fd3cdf8acfa845abacb0708fb48741ee44dbf13
a2-l1-a.8f	262144	c8c13f51	gunforc2		fde3fd983ebb920f79e6898aa0576da9dd9f0c15
a2_sh0.3l	65536	2e2d103d	gunforc2		6b663948f69218308d9ecdb677557b2db1dfbf5a
a2_sl0.5l	65536	2287e0b3	gunforc2		755dab510915161428ed57ab18410c393e138e65
a2_c0.1a	524288	68b8f574	gunforc2		fb935947cdde43e84453f82caeea141a4ae7226d
a2_c1.1b	524288	0b9efe67	gunforc2		1df4108d30d2538f6407e328513517cd3412321f
a2_c2.3a	524288	7a9e9978	gunforc2		241dc310e75960e306701a2e86e30d9c1a60ebff
a2_c3.3b	524288	1395ee6d	gunforc2		e9befc966e6ee046eaca185a9969976304a119d8
a2_000.8a	1048576	38e03147	gunforc2		cc5bacad9592aa5e91632b139955e1c704a67a33
a2_010.8b	1048576	1d5b05f8	gunforc2		884f134ed51b432965a4e5e79915ba9c0ab562c6
a2_020.8c	1048576	f2f461cc	gunforc2		04e91efc749d022c8012caac493767ec1f6a992d
a2_030.8d	1048576	97609d9d	gunforc2		71ddff85a8ddeac69863bbf6c493c5c3973fd175
a2_da.1l	1048576	3c8cdb6a	gunforc2		d1f4186e8ddf99698443f8ee1c60a6e6bc367b09

cabinet art

flyer	geostorm.png
PCB	gunforc2.png

additional information

info	0.58 [David Haywood, Bryan McPhail, Chris Hardy] WIP: 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. 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) Recommended Games (Army Fighter): Green Beret (Irem) Green Beret Rush'n Attack (PlayChoice-10) Special Forces Special Forces II Bionic Commando Contra Contra (PlayChoice-10) Super Contra Super C (PlayChoice-10) Contra 3: The Alien Wars (Nintendo Super System) Vs. Platoon Battle Rangers P.O.W. - Prisoners of War Rough Ranger Bay Route M.I.A. - Missing in Action Midnight Resistance Thunder Fox Battlecry Gunforce Gunforce 2 Metal Slug Metal Slug 2 Metal Slug X Metal Slug 3 Metal Slug 4 Metal Slug 5 - Combat School Romset: 8320 kb / 15 files / 4082.6 zip
history	Geo Storm (c) 1994 Irem. A platform shooter that features incredible graphics and rock solid game play. - TECHNICAL - Irem M-92G system hardware Main CPU : V33 (@ 9 Mhz), V30 (@ 7.15909 Mhz) Sound Chips : YM2151 (@ 3.579545 Mhz), GA20 (@ 3.579545 Mhz) Screen orientation : Horizontal Video resolution : 320 x 240 pixels Screen refresh : 60.00 Hz Palette colors : 2048 Players : 2 Control : 8-way joystick Buttons : 2 - TRIVIA - This game is known in US as "Gun Force II". Some musics in this game are directly recycled (and remixed) from "Air Duel", another Irem game from 1990. The Stage 1 music is a remixed version of the Stage 4 music of "Air Duel". The Stage 2 part 1 music is a remixed version of the Stage 1 music of "Air Duel". The Stage 2 part 2 music is a remixed version of the Stage 3 music of "Air Duel". - SERIES - Gun Force - Battle Fire Engulfed Terror Island (1991) Geo Storm (1994)
resource links	view in MAWS view in CAESAR view high score and replay at MARP view in Progetto EMMA (Italian) view in arcade-history.com view in arcade-history.com view in GameFAQs view in KLOV view in KLOV view in System16 view in System16 view in The Arcade Flyer Archive view in VGMuseum Game Endings

cheats

cheats

code	comments
00000000:EA56A:00000099:FFFFFFFF	Infinite Credits
00000000:E00A4:00000099:FFFFFFFF	Infinite Time
00000703:E00B3:00000005:FFFFFFFF	Select Next Mission:The Last Mission (5) doesn't work properly as you need to enter it via Mission 4
60000000:00000:00000000:00000000
00000000:E9DAC:0000000A:FFFFFFFF	Infinite Lives PL1
00000000:E0230:000000E7:FFFFFFFF	Infinite Item Ammo PL1:Get an item first
00010000:E0231:00000003:FFFFFFFF	Infinite Item Ammo PL1 (2/2)
00000000:E0238:00000002:FFFFFFFF	Invincibility PL1
60000000:00000:00000000:00000000
00000000:E9E2C:0000000A:FFFFFFFF	Infinite Lives PL2
00000000:E03E0:000000E7:FFFFFFFF	Infinite Item Ammo PL2:Get an item first
00010000:E03E1:00000003:FFFFFFFF	Infinite Item Ammo PL2 (2/2
00000000:E03E8:00000002:FFFFFFFF	Invincibility PL2

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