spcforce Space Force (set 1)

Immagine gioco: Space Force (set 1)
Available images:

Romset name: spcforce.zip
Production year: 1980
Manufacturer: Venture Line

Game genre: Shooter
Category: Shooter / Field

This machine has the following clones:
 • Meteoroids
 • Meteors
 • Space Force (set 2)

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]
      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 (14 of the machine set) [Show details]

    Referred to MAME version: 0.181

    NameSizeCRC32SHA1StatusIn romset
    m1v4f.1a20487da0d1ed 2ee145f590da557be057f181b4861014627872e7 good spcforce
    m2v4f.1c204825605bff afda2884a00fdbc000191dd548fd8e34df3e2f49 good spcforce
    m3v5f.2a20486f879366 ef624619dbaad1f2adf4fab82e04bac117dbfac6 good spcforce
    m4v5f.2c20487fbfabfa 0d6bbdcc80e251aa0ebd12e66549afaf6d8ccb0e good spcforce
    m6v4f.3c204812128e9e b2a113b419e11ca094f56ae93870df11690b119a good spcforce
    m7v4f.4a2048978ad452 fa84dcc6587403dd939da719a747d8c7332ed038 good spcforce
    m8v4f.4c2048f805c3cd 78eb13b99aae895742b34ed56bee9313d3643de1 good spcforce
    vm5.k1020488820913c 90002cafdf5f32f916e5457e013ebe53405d5ca8 good spcforce
    rm1v2.6s20488e3490d7 a5e47f953bb833c2bb769b266fff60f7a20c69a6 good spcforce
    rm2v1.7s2048fbbfa05a c737b216f47e14c069cb84b5dbcc5a79fcc13648 good spcforce
    gm1v2.6p20484f574920 05930a8ea5c6e05d01d1b4faabb3305aab44125c good spcforce
    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.

Giochi Simili

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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