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gforce2: MAME ROM Information.


Galaxy Force II [Super Deluxe model] (c) 1988 Sega.

A superb sprite-scaling shoot-em-up from Sega, in which a single player must battle their way through a number of superbly rendered, space-themed levels. Action switches between open space battles and planet-based levels; with tight, enemy packed tunnel sections (enemy bases) separating each level.

Galaxy Force II took the space-based shooting action of 1985's "Space Harrier" and, to a lesser degree, "After Burner" and improved upon both in every conceivable way. The game's pace is much slower paced than either "Space Harrier" or "After Burner", making game progression more a result of actual skill than the blind luck often associated with those earlier titles.

Elements of Galaxy Force II were also influenced by several NON-shooting Sega games; in particular the branching roads of 1986's "Out Run". At the end of each of Galaxy Force II's stages, after the player has fought through the end-of-level 'enemy fortress'; are tunnel sections offering a choice of left or right. Again, the choice made dictates which level the player tackles next.

Galaxy Force II also demonstrated just how far Sega could push its then legendary sprite scaling technology, with the visual rendition of some levels - such as when the player is flying above the surface of a volcanic planet, complete with solar flares and volcanic eruptions - being nothing short of spectacular.


This Super deluxe model is a large simulator, with the player seated in front of the large monitor. Both cabinet and monitor tilt 45 degrees to the left or the right depending upon the player's chosen fight path.

Dimensions (cm) : W284 x D284 x H186

Sega Y Board hardware

Main CPU : (3x) 68000 (@ 12.5 Mhz)

Sound CPU : Z80 (@ 4 Mhz)

Sound Chips : YM2151 (@ 4 Mhz), Sega (@ 4 Mhz)

Screen orientation : Horizontal

Video resolution : 320 x 224 pixels

Screen refresh : 60.00 Hz

Palette colors : 24576

Players : 1

Control : stick

Buttons : 2


Also released as "Galaxy Force II [Deluxe model]".

Pony Canyon / Scitron released a limited-edition soundtrack album for this game (G.S.M. SEGA 1 - D28B0002) on 07/07/1988.

Michael Jackson used to own this game (Serial number 270366). It was sold at the official Michael Jackson Auction on Apr. 24th, 2009.


1. Galaxy Force (1988)

2. Galaxy Force II [Deluxe model] (1988)

2. Galaxy Force II [Super Deluxe model] (1988)


Designer : Kondo Masaki

Main programmer : Katsumi Sachiko

Support programmers : Eishi Kawatake, Maki Yokata

Music composers : Koichi Namiki (Micky/Pritty K.N.), Katsuhiro Hayashi (Funky K.H.)


* Consoles :

Sega Master System (1989)

Sega Mega Drive (1990)

Sega Saturn (1998, "Sega Ages")

Sony PlayStation 2 [SLPM 62766] (Jul.2007, "Sega Ages 2500 Series Vol.30")

* Computers :

FM Towns PC (1990)

Atari ST (1990)

Commodore Amiga (1990)


Game's rom.

Machine's picture.

MAME Info:

0.88u3 [?]


- 0.139: Team Japump and The Dumping Union added clone Galaxy Force 2 (Japan, Rev A). Fixed rom names in parent set.

- 0.115u1: David Haywood fixed throttle range in Galaxy Force 2.

- 0.111u1: Alex Jackson fixed a miscompilation issue (m68000 core) with GCC4 that was first noticed in Altered Beast but also affected Moonwalker, Galaxy Force 2 and probably many other games.

- 0.94u2: Changed 68000 CPU1/2/3 clock speeds to 12.5MHz.

- 0.94: Aaron Giles updated the Sega 'Y-board' driver - Galaxy Force 2 is now playable. Added Z80 (4MHz) CPU4, YM2151 (4MHz) and Sega_PCM (15625 Hz) stereo sound. Swapped cpu1/3 roms, removed gf11816_xtra.bin rom and fixed dipswitches.

- 0.88u3: Added Galaxy Force 2 (Sega 1988) and clone (Japan). Only the driver file, no video has been ported yet so nothing works.


Other Emulators:

* FB Alpha

Recommended Games (Starfighter):

Starship 1

Star Fire

Star Fire 2

Star Hawk


Tunnel Hunt

Warp Speed

Space Encounters

Space Seeker

Buck Rogers: Planet of Zoom



Star Trek




Cube Quest

I, Robot

Star Wars

The Empire Strikes Back

Star Wars Arcade

Star Wars Trilogy

Star Wars Pod Racer

Tube Panic

High Voltage


Splendor Blast

Vs. Star Luster

Shrike Avenger

Thunder Ceptor

Galaxy Force 2


Galactic Storm

Space Lords

Solar Assault


Vapor TRX

Romset: 6208 kb / 46 files / 2.83 zip

MAME XML Output:

       <game name="gforce2" sourcefile="segaybd.c">
              <description>Galaxy Force 2</description>
              <rom name="epr-11688.25" size="131072" crc="c845f2df" sha1="17586a5f83170e99f28cd35b28e85e503e7bbe75" region="maincpu" offset="0"/>
              <rom name="epr-11687.24" size="131072" crc="1cbefbbf" sha1="28d473707cf042baca9d3a75ef22a5beb8c993f7" region="maincpu" offset="1"/>
              <rom name="epr-11875.81" size="131072" crc="c81701c6" sha1="00c269f18c5eded7a0e4b6354779cd80db827409" region="subx" offset="0"/>
              <rom name="epr-11874.80" size="131072" crc="5301fd79" sha1="60a751c168d519cd45a9575e138514d580bce9b6" region="subx" offset="1"/>
              <rom name="epr-11816b.54" size="131072" crc="317dd0c2" sha1="7f1c7dcfb111385e2a94912975c2f9bfe78445ac" region="suby" offset="0"/>
              <rom name="epr-11815b.53" size="131072" crc="f1fb22f1" sha1="da3ce521b0a19b391913c35af34084d29edceca7" region="suby" offset="1"/>
              <rom name="mpr-11467.16" size="131072" crc="6e60e736" sha1="73086744cb2fe1ce162f851cb879755c21819b33" region="gfx2" offset="0"/>
              <rom name="mpr-11468.14" size="131072" crc="74ca9ca5" sha1="c6f27ce43ef270088e6155c8240fd15afa5729fd" region="gfx2" offset="1"/>
              <rom name="epr-11694.17" size="131072" crc="7e297b84" sha1="bbf1aa2b0b6b1f9fdaf9bea77d24b7f4f9320696" region="gfx2" offset="40000"/>
              <rom name="epr-11695.15" size="131072" crc="38a864be" sha1="ef7d89511713d695f6a454c42f079d3507d9690d" region="gfx2" offset="40001"/>
              <rom name="mpr-11469.67" size="131072" crc="ed7a2299" sha1="1aecf9ccba1fed0b7908008e798c522251a08b0f" region="gfx1" offset="0"/>
              <rom name="mpr-11470.75" size="131072" crc="34dea550" sha1="da95b8346c3530573461553629af4cc493bbb4af" region="gfx1" offset="1"/>
              <rom name="mpr-11477.63" size="131072" crc="a2784653" sha1="00a123d1fc8116ca678d6d8dbf1a5450feee014d" region="gfx1" offset="2"/>
              <rom name="mpr-11478.71" size="131072" crc="8b778993" sha1="015ae757d26cd6e69bdf79e237f62743a8f41e0c" region="gfx1" offset="3"/>
              <rom name="mpr-11471.86" size="131072" crc="f1974069" sha1="c8beb1a2ce430e3e6478c87c7053a58f8f31a140" region="gfx1" offset="4"/>
              <rom name="mpr-11472.114" size="131072" crc="0d24409a" sha1="ee00e23b0c548918b89dd48ed3f8b0370388659e" region="gfx1" offset="5"/>
              <rom name="mpr-11479.82" size="131072" crc="ecd6138a" sha1="bbc157a1f9b7e24d16e6f126d95c448736e83791" region="gfx1" offset="6"/>
              <rom name="mpr-11480.110" size="131072" crc="64ad66c5" sha1="aaab6999aa88b3340b16ee1188a8432477e16625" region="gfx1" offset="7"/>
              <rom name="mpr-11473.66" size="131072" crc="0538c6ec" sha1="9397db188f12cf8cd91841794134760f30f83893" region="gfx1" offset="100000"/>
              <rom name="mpr-11474.74" size="131072" crc="eb923c50" sha1="f997d2bc7f674eae4243eaf640d8faffa41d9521" region="gfx1" offset="100001"/>
              <rom name="mpr-11481.62" size="131072" crc="78e652b6" sha1="8c70609172908131fef8cbe05f810dbd3d120eba" region="gfx1" offset="100002"/>
              <rom name="mpr-11482.70" size="131072" crc="2f879766" sha1="ca5835d0bb77fe7de83ad336a82111cb2f96cd41" region="gfx1" offset="100003"/>
              <rom name="mpr-11475.85" size="131072" crc="69cfec89" sha1="db2a9b03fff727f198fb5cbfb9c281ac3bbc5623" region="gfx1" offset="100004"/>
              <rom name="mpr-11476.113" size="131072" crc="a60b9b79" sha1="6e9aa51923c12f5658bd17deb6c032e08c91dade" region="gfx1" offset="100005"/>
              <rom name="mpr-11483.81" size="131072" crc="d5d3a505" sha1="fa7662346b954d3faf0e8fcf138004231676845c" region="gfx1" offset="100006"/>
              <rom name="mpr-11484.109" size="131072" crc="b8a56a50" sha1="ccbc391d6f60b88630d7a93b8bb6e365a8d59ed8" region="gfx1" offset="100007"/>
              <rom name="epr-11696.65" size="131072" crc="99e8e49e" sha1="ab6e1d74af412ec2f939043d7dc26f4b2e34a528" region="gfx1" offset="200000"/>
              <rom name="epr-11697.73" size="131072" crc="7545c52e" sha1="bdb0ccf233e10e9449aa367db5a5b5f209bee969" region="gfx1" offset="200001"/>
              <rom name="epr-11700.61" size="131072" crc="e13839c1" sha1="4975b5314797d11c782b0478eaa84eaf9980b1cd" region="gfx1" offset="200002"/>
              <rom name="epr-11701.69" size="131072" crc="9fb3d365" sha1="bfcf4abfa91aa41b16f01b7bafe97cd865167fbc" region="gfx1" offset="200003"/>
              <rom name="epr-11698.84" size="131072" crc="cfeba3e2" sha1="826b73858ca5ea05688246d36b1f607356974ca9" region="gfx1" offset="200004"/>
              <rom name="epr-11699.112" size="131072" crc="4a00534a" sha1="9a637b45b140420937b232bf690ef8bc3d43f5ad" region="gfx1" offset="200005"/>
              <rom name="epr-11702.80" size="131072" crc="2a09c627" sha1="c6b0a618b4ddd9d227d3472544b62ebef966b041" region="gfx1" offset="200006"/>
              <rom name="epr-11703.108" size="131072" crc="43bb7d9f" sha1="e36d208937f56f0af14292184c80ca939c32c378" region="gfx1" offset="200007"/>
              <rom name="epr-11524.64" size="131072" crc="5d35849f" sha1="b86fb230ed0901dfdb525e7a47d9c9ad8031a3f6" region="gfx1" offset="300000"/>
              <rom name="epr-11525.72" size="131072" crc="9ae47552" sha1="43268dd5f79282aabd8972994437de1b2d2acc40" region="gfx1" offset="300001"/>
              <rom name="epr-11532.60" size="131072" crc="b3565ddb" sha1="3208744d43a11f4de8a6b626cc9113ad63d36807" region="gfx1" offset="300002"/>
              <rom name="epr-11533.68" size="131072" crc="f5d16e8a" sha1="3b5c1582794a0e69707264879b544ac48afd9337" region="gfx1" offset="300003"/>
              <rom name="epr-11526.83" size="131072" crc="094cb3f0" sha1="4b30e24dfd33c9922ffd5665cd9631b1f24243da" region="gfx1" offset="300004"/>
              <rom name="epr-11527.111" size="131072" crc="e821a144" sha1="eeec0e51798645cce8f9a7e686178268398977fb" region="gfx1" offset="300005"/>
              <rom name="epr-11534.79" size="131072" crc="b7f0ad7c" sha1="987b198692db365f3a81e88e5eec526775c318c6" region="gfx1" offset="300006"/>
              <rom name="epr-11535.107" size="131072" crc="95da7a46" sha1="ffe6cd80eecc7c53a1155396ede0720d975d2c3b" region="gfx1" offset="300007"/>
              <rom name="epr-11693.102" size="65536" crc="0497785c" sha1="f077e71efdc96d6eb3f1a1f989650466554fb13a" region="soundcpu" offset="0"/>
              <rom name="mpr-11465.107" size="524288" crc="e1436dab" sha1="363f4c111de38cb1d82b245e4fcc65308f506e6a" region="pcm" offset="0"/>
              <rom name="epr-11516.106" size="131072" crc="19d0e17f" sha1="7171131226cf1fe260a2db310fad2ec264adca26" region="pcm" offset="80000"/>
              <rom name="epr-11814.105" size="131072" crc="0b05d376" sha1="8d0c0be2fd9dbc714c82c7cd1c439d5ff65e1317" region="pcm" offset="100000"/>
              <chip type="cpu" tag="maincpu" name="68000" clock="12500000"/>
              <chip type="cpu" tag="subx" name="68000" clock="12500000"/>
              <chip type="cpu" tag="suby" name="68000" clock="12500000"/>
              <chip type="cpu" tag="soundcpu" name="Z80" clock="4026987"/>
              <chip type="audio" tag="lspeaker" name="Speaker"/>
              <chip type="audio" tag="rspeaker" name="Speaker"/>
              <chip type="audio" tag="ymsnd" name="YM2151" clock="4026987"/>
              <chip type="audio" tag="pcm" name="Sega PCM" clock="4026987"/>
              <display tag="screen" type="raster" rotate="0" width="320" height="224" refresh="60.000000" pixclock="5376240" htotal="342" hbend="0" hbstart="320" vtotal="262" vbend="0" vbstart="224" />
              <sound channels="2"/>
              <input players="1" buttons="2" coins="2" service="yes">
                     <control type="stick" minimum="1" maximum="255" sensitivity="100" keydelta="79" reverse="yes"/>
              <dipswitch name="Demo Sounds" tag="DSW" mask="1">
                     <dipvalue name="Off" value="1"/>
                     <dipvalue name="On" value="0" default="yes"/>
              <dipswitch name="Energy Timer" tag="DSW" mask="6">
                     <dipvalue name="Easy" value="4"/>
                     <dipvalue name="Normal" value="6" default="yes"/>
                     <dipvalue name="Hard" value="2"/>
                     <dipvalue name="Hardest" value="0"/>
              <dipswitch name="Shield Strength" tag="DSW" mask="8">
                     <dipvalue name="Weak" value="8" default="yes"/>
                     <dipvalue name="Strong" value="0"/>
              <dipswitch name="Difficulty" tag="DSW" mask="48">
                     <dipvalue name="Easy" value="32"/>
                     <dipvalue name="Normal" value="48" default="yes"/>
                     <dipvalue name="Hard" value="16"/>
                     <dipvalue name="Hardest" value="0"/>
              <dipswitch name="Cabinet" tag="DSW" mask="192">
                     <dipvalue name="Super Deluxe" value="192"/>
                     <dipvalue name="Deluxe" value="128"/>
                     <dipvalue name="Upright" value="64" default="yes"/>
                     <dipvalue name="City" value="0"/>
              <dipswitch name="Coin A" tag="COINAGE" mask="15">
                     <dipvalue name="4 Coins/1 Credit" value="7"/>
                     <dipvalue name="3 Coins/1 Credit" value="8"/>
                     <dipvalue name="2 Coins/1 Credit" value="9"/>
                     <dipvalue name="2 Coins/1 Credit, 5/3, 6/4" value="5"/>
                     <dipvalue name="2 Coins/1 Credit, 4/3" value="4"/>
                     <dipvalue name="1 Coin/1 Credit" value="15" default="yes"/>
                     <dipvalue name="1 Coin/1 Credit, 5/6" value="3"/>
                     <dipvalue name="1 Coin/1 Credit, 4/5" value="2"/>
                     <dipvalue name="1 Coin/1 Credit, 2/3" value="1"/>
                     <dipvalue name="2 Coins/3 Credits" value="6"/>
                     <dipvalue name="1 Coin/2 Credits" value="14"/>
                     <dipvalue name="1 Coin/3 Credits" value="13"/>
                     <dipvalue name="1 Coin/4 Credits" value="12"/>
                     <dipvalue name="1 Coin/5 Credits" value="11"/>
                     <dipvalue name="1 Coin/6 Credits" value="10"/>
                     <dipvalue name="Free Play (if Coin B too) or 1/1" value="0"/>
              <dipswitch name="Coin B" tag="COINAGE" mask="240">
                     <dipvalue name="4 Coins/1 Credit" value="112"/>
                     <dipvalue name="3 Coins/1 Credit" value="128"/>
                     <dipvalue name="2 Coins/1 Credit" value="144"/>
                     <dipvalue name="2 Coins/1 Credit, 5/3, 6/4" value="80"/>
                     <dipvalue name="2 Coins/1 Credit, 4/3" value="64"/>
                     <dipvalue name="1 Coin/1 Credit" value="240" default="yes"/>
                     <dipvalue name="1 Coin/1 Credit, 5/6" value="48"/>
                     <dipvalue name="1 Coin/1 Credit, 4/5" value="32"/>
                     <dipvalue name="1 Coin/1 Credit, 2/3" value="16"/>
                     <dipvalue name="2 Coins/3 Credits" value="96"/>
                     <dipvalue name="1 Coin/2 Credits" value="224"/>
                     <dipvalue name="1 Coin/3 Credits" value="208"/>
                     <dipvalue name="1 Coin/4 Credits" value="192"/>
                     <dipvalue name="1 Coin/5 Credits" value="176"/>
                     <dipvalue name="1 Coin/6 Credits" value="160"/>
                     <dipvalue name="Free Play (if Coin A too) or 1/1" value="0"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="24576"/>

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