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spacezap: MAME ROM Information.


Space Zap (c) 1980 Midway.


[Game No. 902]

[Upright model]

Main CPU : Z80 (@ 1.789773 Mhz)

Sound Chips : Astrocade (@ 1.789773 Mhz)

Screen orientation : Horizontal

Video resolution : 320 x 204 pixels

Screen refresh : 60.00 Hz

Palette colors : 256

Players : 2

Control : 4-way joystick

Buttons : 1


Released in October 1980.

This game was licensed from Game-A-Tron, who had released it earlier as "Zap".

In addition to "Berzerk", Space Zap also inspired the multi-directional shooting in "Robotron". At the time, this fact was not well known.


Space mine : 250 points

Alien ship : 500 points

Attack sattelite : 2,000 points


Extra laser bases are awarded every 75,000 points.


* Consoles :

Bally Astrocade ("Space Fortress")

* Computers :

Tandy Color Computer (198?, "Space Zapper")

TI99/4a (1983, "Starship Pegasus")


Game's rom.

Game's Manual.

MAME Info:

0.24 [Mike Coates, Nicola Salmoria]

Artwork available


- The original game likely used a black and white monitor with an overlay. Jonemaan (ID 01064)


- 0.141u4: Made Space Zap black & white. It uses an overlay for colors, the MAME artwork team will probably take care of that part [hap]. Removed 4-way Joystick and changed buttons from 1 to 5.

- 0.123u3: Added 2x 'Unused' dipswitches.

- 0.115u2: Changed visible area to 352x240.

- 0.115u1: Changed Z80 CPU and Astrocade clock speeds to 1789772 Hz and VSync to 60.054442 Hz.

- 26th November 2006: Mr. Do - We have Space Zap, vectorized by Zorg. This game is seriously fun, if you've never tried it before.

- 0.88u2: Removed 2nd Astrocade sound.

- 0.59: Added 2nd player and 'Cabinet' dipswitch.

- 31st October 2001: Stephane Humbert fixed cocktail mode in Space Zap.

- 0.34b4: Emulation of the Astrocade sound chip (Extra Bases, Gorf, Robby Roto, Space Zap and Wizard of Wor) [Frank Palazzolo]. Added 2x Astrocade sound.

- 0.28: Mike Balfour added high score saving to Space Zap.

- 0.26: Mike Coates improved Space Zap.

- 0.24: Added Space Zap (Midway 1980). It is based mainly on WOW driver. Mike Coates provided a more stable driver too. Game is playable with maybe accurate colors and no sound. Control: Arrows = Move around, CTRL = Fire1 and ALT = Fire2 (Direction arrow must be pressed together).

LEVELS: 1 (endless)

Recommended Games (Defence):

Galaxy Wars

Space Launcher

The End

Missile Command

Arcade Classics (Missile Command II)

New York New York

Space Zap

Colony 7

Dark Warrior


Laser Base


Satan's Hollow

Space Tactics

War of the Worlds








Alligator Hunt

Romset: 16 kb / 4 files / 11.7 zip

MAME XML Output:

       <game name="spacezap" sourcefile="astrocde.c">
              <description>Space Zap</description>
              <rom name="0662.01" size="4096" crc="a92de312" sha1="784ac67c75c7c101f97ebfd39b2b3f7bf7fa470a" region="maincpu" offset="0"/>
              <rom name="0663.xx" size="4096" crc="4836ebf1" sha1="ad0e8c34a209c827c1336f0250cc61fee667fb03" region="maincpu" offset="1000"/>
              <rom name="0664.xx" size="4096" crc="d8193a80" sha1="72151e773562da62acd2c1d9638711711cbc13a3" region="maincpu" offset="2000"/>
              <rom name="0665.xx" size="4096" crc="3784228d" sha1="5aabd720a106158a892368c4920d9cd0f5235e34" region="maincpu" offset="3000"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="1789772"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="astrocade1" name="Astrocade" clock="1789772"/>
              <display tag="screen" type="raster" rotate="0" width="352" height="240" refresh="60.054442" pixclock="7159090" htotal="455" hbend="0" hbstart="352" vtotal="262" vbend="0" vbstart="240" />
              <sound channels="1"/>
              <input players="2" buttons="5" coins="2" tilt="yes">
              <dipswitch name="Service Mode" tag="P1HANDLE" mask="8">
                     <dipvalue name="Off" value="8" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unused" tag="P2HANDLE" mask="32">
                     <dipvalue name="Off" value="32" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Cabinet" tag="P3HANDLE" mask="32">
                     <dipvalue name="Upright" value="32" default="yes"/>
                     <dipvalue name="Cocktail" value="0"/>
              <dipswitch name="Coin A" tag="P4HANDLE" mask="1">
                     <dipvalue name="2 Coins/1 Credit" value="0"/>
                     <dipvalue name="1 Coin/1 Credit" value="1" default="yes"/>
              <dipswitch name="Coin B" tag="P4HANDLE" mask="6">
                     <dipvalue name="2 Coins/1 Credit" value="4"/>
                     <dipvalue name="1 Coin/1 Credit" value="6" default="yes"/>
                     <dipvalue name="1 Coin/3 Credits" value="2"/>
                     <dipvalue name="1 Coin/5 Credits" value="0"/>
              <dipswitch name="Unused" tag="P4HANDLE" mask="8">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="8"/>
              <dipswitch name="Unused" tag="P4HANDLE" mask="16">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="16"/>
              <dipswitch name="Unused" tag="P4HANDLE" mask="32">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="32"/>
              <dipswitch name="Unused" tag="P4HANDLE" mask="64">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="64"/>
              <dipswitch name="Unused" tag="P4HANDLE" mask="128">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="128"/>
              <configuration name="Monitor" tag="FAKE" mask="1">
                     <confsetting name="B/W" value="0" default="yes"/>
                     <confsetting name="Color" value="1"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="512"/>

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