Space Force (set 2)

Immagine gioco: Space Force (set 2)
Available images:

Romset name:
Production year: 19??
Manufacturer: bootleg? (Elcon)

Game genre: Shooter
Category: Shooter / Field

This machine is a clone of:
 • Space Force (set 1)

This machine works in MAME with problems This machine works in MAME with problems

Overall emulation: Good
Color emulation: Imperfect
Sound emulation: Good
Graphics emulation: Good
Save states: Supported

In MAME since version: .054

The MAME driver of this machine is: spcforce.cpp - Read the code

 Tech info 
 Hardware of this machine:
  • CHIPs [Show details]

    8085A ("maincpu")cpu 16000000 Hz
    I8035 ("audiocpu")cpu 6144000 Hz
    Speaker ("mono")audio
    SN76496 ("sn1")audio 2000000 Hz
    SN76496 ("sn2")audio 2000000 Hz
    SN76496 ("sn3")audio 2000000 Hz

  • Screens [Show details]

    This machine uses a single screen:
      Graphic type: Raster
      Screen orientation: Vertical
      Resolution 256 x 224 @ 60.000000 Hz

  • Number of players: 2P Alternated
  • Controllers [Show details]

      Joystick [2 ways]
    Number of buttons: 2

  • Dip-switches [Show details]

    Default settings in bold
    Coin A2 Coins/1 Credit
     1 Coin/1 Credit
     1 Coin/2 Credits
     Free Play
    Coin B1 Coin/3 Credits
     1 Coin/6 Credits
    Bonus LifeOff

  • ROMs (6 of the parent set, 8 of the clone set) [Show details]

    Referred to MAME version: 0.181

    NameSizeCRC32SHA1StatusIn romset
    spacefor.1a2048ef6fdccb 2fff28437597958b39a821f93ac30f32c24f50aa good spcforc2
    spacefor.1c204844bd1cdd 6dd5ae7a64079c61b63667f06e0d34dec48eac7c good spcforc2
    spacefor.2a2048fcbc7df7 b6e89dbfc80d5d9dcf889f618a8278c182773a14 good spcforc2
    vm42048c5b073b9 93b77c77488aa954c35880439be6c7629448a3ea good spcforc2
    spacefor.3c20489fd52301 1ea5d5b888dd2f7ac6aab227c78b86c2f2f320da good spcforc2
    spacefor.4a204889aefc0a 0b56efa613bce972af4bbf145853bfc0cda60ef9 good spcforc2
    m8v4f.4c2048f805c3cd 78eb13b99aae895742b34ed56bee9313d3643de1 good spcforce
    vm5.k1020488820913c 90002cafdf5f32f916e5457e013ebe53405d5ca8 good spcforce
    spacefor.6s2048848ae522 deb28ba09556d04d9f6c906a163372f842b00c63 good spcforc2
    rm2v1.7s2048fbbfa05a c737b216f47e14c069cb84b5dbcc5a79fcc13648 good spcforce
    spacefor.6p204895446911 843025d1c557156f73c2e9a1278c02738b69fb5d good spcforc2
    gm2v1.7p20480cd89ce2 adb101400eb00119930494e99629948248d99d2f good spcforce
    bm1v2.6m2048130869ce 588d6c9403d5fd966266b4f0333ee47b36c8b1d8 good spcforce
    bm2v1.7m2048472f0a9b a8a9e2aa62374cd3bd938b5cb5fb20face3114c3 good spcforce

    :  PARENT Machine
    :  CLONE Machine
    :  BIOS
    :  Device


Space Force (c) 1980 Venture Line.


Main CPU : 8085A (@ 4 Mhz)

Sound CPU : I8035 (@ 768 Khz)

Sound Chips : (3x) SN76496 (@ 2 Mhz)

Screen orientation : Vertical

Video resolution : 224 x 256 pixels

Screen refresh : 60.00 Hz

Palette colors : 8

Players : 2

Control : 2-way joystick

Buttons : 2


This game is also known as "Meteoroids".


Game's rom.

Warning: information in history.dat can differ from the ones present in the rest of the page (taken from MAME) as they come from a different source

Information on spcforce

0.54 [Zsolt Vasvari]

0.36b1 [Zsolt Vasvari]


- 0.139u3: Atari Ace converted Space Force to driver_data.

- 0.131u1: Angelo Salese added SN76496 ready line hook-up for Space Force, doesn't make a difference since it's not actually used and merged memory maps.

- 0.123u2: Changed palettesize to 64 colors.

- 0.122u8: Changed description to 'Space Force (set 1)'.

- 0.122u7: Changed 8085A CPU1 clock speed to 16MHz.

- 0.122u6: Changed I8035 CPU2 clock speed to 6144000 Hz.

- 0.54: Zsolt Vasvari added Space Force (Venture Line 1980) and clone (set 2) (Elcon (bootleg?)).

- 16th August 2001: Zsolt Vasvari added an earlier version of Meteoroids called Space Force.

- 15th April 2001: Zsolt Vasvari fixed an i8085 CPU core bug which affected Meteoroids title screen.

- 0.36b1: Zsolt Vasvari added Meteoroids (Venture Line 1981).

- 21st June 1999: Zsolt Vasvari added sound to Meteoroids.

- 6th June 1999: Zsolt Vasvari sent in a driver for Meteoroids.

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