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ambush: MAME ROM Information.


Ambush (c) 1983 Tecfri.

An early shoot 'em up. You must first attempt to take off you spaceship by repeatedly pressing left and right. Then you must attempt to fight off enemy spaceships.


Main CPU : Z80 (@ 4 Mhz)

Sound Chips : (2x) AY8910 (@ 1.5 Mhz)

Players : 2

Control : 8-way joystick

Buttons : 2


Released in June 1983.

The original version was done by Tecfri and it was the first game from this Spanish manufacturer located in Barcelona. They licensed the game to Nippon Amuse for the Japanese market. And also licensed to Volt Elec for manufacture and distribution.

Alberto Zin holds the official record for this game with 591,150 points on July 9, 1984.


Programmers : Javier Valero, Josep Quingles, Luis Jonama


Game's rom.

MAME Info:

0.138u1 [David Haywood]

0.35b3 [Zsolt Vasvari]


- In the first stage use LEFT/RIGHT and Button 2 to get a SPEED of 300 MILES, then press DOWN to take off.


- 0.141u4: Tafoid and Tomasz Slanina changed clocks based on confirmed XTAL and dumper's notes for Ambush and clones. Changed Z80 CPU1 clock speed to 3072000 Hz. Replaced the 2x AY-3-8910A sound with 2x AY-3-8912A (1536000 Hz).

- 0.141u3: hap fixed incorrect colors in Ambush and clones.

- 0.138u1: Changed 'Ambush' to clone 'Ambush (Japan)', clone 'Ambush (Volt Elec co-ltd)' to 'Ambush (Volt Electronics)' and clone 'Ambush (Tecfri)' to parent set 'Ambush'. Renamed (ambush) to (ambushj) and (ambusht) to (ambush). Note: Ambush (Tecfri) displays an M next to ROM 1 during the test, why is internal checksum wrong (0x02 instead of 0x00)?

- 0.135u3: Fabio Priuli fixed access violation caused by driver struct & video/spriteram changes in Ambush.

- 0.135u1: Fabio Priuli added driver data struct to Ambush.

- 0.129u1: MooglyGuy added savestate support to Ambush and clones.

- 0.128u2: Stephane Humbert fixed dipswitches for Ambush and clones.

- 0.123u2: RansAckeR simplified some control definitions in the Ambush driver.

- 0.95u6: Corrado Tomaselli added clone Ambush (Volt Elec co-ltd).

- 25th April 2005: Corrado Tomaselli dumped Ambush (Volt Elec co-ltd).

- 0.69a: David Haywood added clone Ambush (Tecfri).

- 0.55: Added 'Difficulty' dipswitch.

- 0.54: Changed palettesize from 512 to 256 colors.

- 4th March 2000: Zsolt Vasvari fixed Ambush palette bugs, and he rewrote the 8080bw and z80bw drivers.

- 0.35b3: Zsolt Vasvari added Ambush (Nippon Amuse Co-Ltd 1983). TODO: Verify Z80 and AY8910 clock speeds.

LEVELS: 5 (endless)

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: 49 kb / 10 files / 29.1 zip

MAME XML Output:

       <game name="ambush" sourcefile="ambush.c">
              <rom name="a1.i7" size="8192" crc="a7cd149d" sha1="470ebe60bc23a7908fb96caef8074d65f8c57625" region="maincpu" offset="0"/>
              <rom name="a2.g7" size="8192" crc="8328d88a" sha1="690f0af10a0550566b67ee570f849b2764448d15" region="maincpu" offset="2000"/>
              <rom name="a3.f7" size="8192" crc="8db57ab5" sha1="5cc7d7ebdfc91fb8d9ed52836d70c1de68001402" region="maincpu" offset="4000"/>
              <rom name="a4.e7" size="8192" crc="4a34d2a4" sha1="ad623161cd6031cb6503ff7445fdd9fb4ea83c8c" region="maincpu" offset="6000"/>
              <rom name="fa2.n4" size="8192" crc="e7f134ba" sha1="c38321f3da049f756337cba5b3c71f6935922f80" region="gfx1" offset="0"/>
              <rom name="fa1.m4" size="8192" crc="ad10969e" sha1="4cfccdc4ca377693e92d77cde16f88bbdb840b38" region="gfx1" offset="2000"/>
              <rom name="a.bpr" size="256" crc="5f27f511" sha1="fe3ae701443ff50d3d03c0a5d0e0ab0e716b05cc" region="proms" offset="0"/>
              <rom name="b.bpr" size="256" crc="1b03fd3b" sha1="1a58b212476cacace6065056f23b59a69053a2f6" region="proms" offset="100"/>
              <rom name="13.bpr" size="256" crc="547e970f" sha1="e2ec0bece49fb283e43549703d6d5d6f561c69a6" region="proms" offset="200"/>
              <rom name="14.bpr" size="256" crc="622a8ce7" sha1="6834f67874251f2ef3a33aec893311f5d10e496f" region="proms" offset="300"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="3072000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="ay1" name="AY-3-8912A" clock="1536000"/>
              <chip type="audio" tag="ay2" name="AY-3-8912A" clock="1536000"/>
              <display tag="screen" type="raster" rotate="0" width="256" height="222" refresh="60.000000" />
              <sound channels="1"/>
              <input players="2" buttons="2" coins="2">
                     <control type="joy" ways="8"/>
              <dipswitch name="Lives" tag="DSW1" mask="3">
                     <dipvalue name="3" value="0" default="yes"/>
                     <dipvalue name="4" value="1"/>
                     <dipvalue name="5" value="2"/>
                     <dipvalue name="6" value="3"/>
              <dipswitch name="Allow Continue" tag="DSW1" mask="4">
                     <dipvalue name="No" value="0"/>
                     <dipvalue name="Yes" value="4" default="yes"/>
              <dipswitch name="Service Mode/Free Play" tag="DSW1" mask="8">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="8"/>
              <dipswitch name="Coinage" tag="DSW1" mask="16">
                     <dipvalue name="A 1/1 B 1/2" value="0" default="yes"/>
                     <dipvalue name="A 2/1 B 1/3" value="16"/>
              <dipswitch name="Difficulty" tag="DSW1" mask="32">
                     <dipvalue name="Easy" value="0" default="yes"/>
                     <dipvalue name="Hard" value="32"/>
              <dipswitch name="Bonus Life" tag="DSW1" mask="64">
                     <dipvalue name="80000" value="64" default="yes"/>
                     <dipvalue name="120000" value="0"/>
              <dipswitch name="Cabinet" tag="DSW1" mask="128">
                     <dipvalue name="Upright" value="128" default="yes"/>
                     <dipvalue name="Cocktail" value="0"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="256"/>

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