Home News Forum                            

Play your favorite classic games and more with the GameEx front end. Read more.

stlforce: MAME ROM Information.


Steel Force (c) 1994 Electronic Devices.

A futuristic-themed, maze based shoot-em-up in which one or two players must battle through an alien-infested space station in a desperate hunt for the level's exit. Weapon power-ups, ammunition and health packs are dotted around the levels to assist players in their task.


Main CPU : 68000 (@ 15 Mhz)

Sound Chips : OKI6295 (@ 7.102 Khz)

Screen orientation : Horizontal

Video resolution : 368 x 240 pixels

Screen refresh : 58.00 Hz

Palette colors : 2048

Players : 2

Control : 8-way joystick

Buttons : 3


Developed in cooperation with Ecogames S.L. (Spain).

Electronic Devices is now called 'Elettronica Video Games'. They are still based in their original location and now import arcade games into Italy.

Steel Force is an almost direct copy of the famous 1991 Commodore Amiga shoot-em-up, "Alien Breed"; released by UK-based software house, 'Team 17'. The characters movements and the game's graphical style is almost identical to the Amiga game.


Programmed by : Javier Maura

Graphics by : Miguel A. Carrillo


Game's rom.

MAME Info:

0.58 [David Haywood, Stephane Humbert]


- 0.136u2: Atari Ace converted Steel Force to use driver_data structure.

- 0.136: Added eeprom-stlforce.bin EEPROM.

- 0.93u1: Pierpaolo Prazzoli changed visible area to 368x240 in Steel Force.

- 0.88u2: Pierpaolo Prazzoli fixed MSM6295 sound banking.

- 0.88u1: Pierpaolo Prazzoli added EEPROM support to Steel Force. Changed 68000 CPU1 clock speed to 15MHz and MSM6295 to 7102 Hz, VSync to 58Hz and fixed gfx2 rom loading.

- 0.88: Pierpaolo Prazzoli fixed PORT_BIT 10. It is IPT_VBLANK and this fixed scroll issue in attract mode. Fixed sprite glitches with visible flag and added rows scroll.

- 6th March 2003: David Haywood fixed the red/blue color channels in Steel Force.

- 17th December 2002: Nicola Salmoria fixed a bug in the OKIM6295 sound chip emulation that caused samples being played erroneously in Got-cha and Steel Force, and he sent in a driver for Got-cha.

- 0.58: David Haywood added Steel Force Electronic Devices Italy / Ecogames S.L. Spain 1994).

- 4th February 2002: David Haywood sent in a driver for Steel Force, and Stephane Humbert fixed the inputs in it.


- The Federation has expanded his power across the galaxy. Trading between the worlds has been peacefully for a long time. But now... the pirates are breaking down the peace. Now his secret base has been discovered, and is the time to stop them.

LEVELS: 14 (developed by Ecogames)

Recommended Games (Planet Force):

Cosmic Chasm

Major Havoc

Galivan - Cosmo Police


Metroid (PlayChoice-10)

Xain'd Sleena


Psycho-Nics Oscar


Escape from the Planet of the Robot Monsters

Finest Hour

Out Zone

Surprise Attack

SD Gundam Psycho Salamander no Kyoui

Bucky O'Hare


Steel Force

Action Hollywood (Galaxy War)

Romset: 3841 kb / 12 files / 1.16 zip

MAME XML Output:

       <game name="stlforce" sourcefile="stlforce.c">
              <description>Steel Force</description>
              <manufacturer>Electronic Devices Italy / Ecogames S.L. Spain</manufacturer>
              <rom name="stlforce.105" size="131072" crc="3ec804ca" sha1="4efcf3321b7111644ac3ee0a83ad95d0571a4021" region="maincpu" offset="0"/>
              <rom name="stlforce.104" size="131072" crc="69b5f429" sha1="5bd20fad91a22f4d62f85a5190d72dd824ee26a5" region="maincpu" offset="1"/>
              <rom name="stlforce.u27" size="524288" crc="c42ef365" sha1="40e9ee29ea14b3bc2fbfa4e6acb7d680cf72f01a" region="gfx1" offset="1"/>
              <rom name="stlforce.u28" size="524288" crc="6a4b7c98" sha1="004d7f3c703c6abc79286fa58a4c6793d66fca39" region="gfx1" offset="0"/>
              <rom name="stlforce.u29" size="524288" crc="30488f44" sha1="af0d92d8952ce3cd893ab9569afdda12e17795e7" region="gfx1" offset="100001"/>
              <rom name="stlforce.u30" size="524288" crc="cf19d43a" sha1="dc04930548ac5b7e2b74c6041325eac06e773ed5" region="gfx1" offset="100000"/>
              <rom name="stlforce.u36" size="262144" crc="037dfa9f" sha1="224f5cd1a95d55b065aef5c0bd03b50cabcb619b" region="gfx2" offset="0"/>
              <rom name="stlforce.u31" size="262144" crc="305a8eb5" sha1="3a8d26f8bc4ec2e8246d1c59115e21cad876630d" region="gfx2" offset="40000"/>
              <rom name="stlforce.u32" size="262144" crc="760e8601" sha1="a61f1d8566e09ce811382c6e23f3881e6c438f15" region="gfx2" offset="80000"/>
              <rom name="stlforce.u33" size="262144" crc="19415cf3" sha1="31490a1f3321558f82667b63f3963b2ec3fa0c59" region="gfx2" offset="c0000"/>
              <rom name="stlforce.u1" size="524288" crc="0a55edf1" sha1="091f12e8110c62df22b370a2e710c930ba06e8ca" region="oki" offset="0"/>
              <rom name="eeprom-stlforce.bin" size="128" crc="3fb83951" sha1="0cbf09751e46f100db847cf0594a4440126a7b6e" region="eeprom" offset="0"/>
              <chip type="cpu" tag="maincpu" name="68000" clock="15000000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="oki" name="OKI6295" clock="937500"/>
              <display tag="screen" type="raster" rotate="0" width="368" height="240" refresh="58.000000" />
              <sound channels="1"/>
              <input players="2" buttons="3" coins="2" service="yes">
                     <control type="joy" ways="8"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="unsupported" palettesize="2048"/>

emumovies.com      Retro bytes Portal           Bookmark and Share

Developed by: Spesoft  Headsoft     Terms of use     Privacy    Advertise