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headon2s: MAME ROM Information.


Head On 2 (c) 1979 Sidam.


For more information about the game itself, please see the original Sega version entry.


Game's ROM.

MAME Info:

0.35b2 [Nicola Salmoria]


- 0.135u3: f205v and ANY added clone Head On 2 (Sidam bootleg).

- 17th November 2009: f205v dumped Head On 2 (Sidam bootleg 1979).

- 0.117u1: Couriersud added discrete sound to Head On and clones, Space Attack / Head On, Head On 2 and Invinco / Head On 2 in the VIC Dual driver. Added Discrete sound.

- 0.116u3: David Haywood added clone Car 2 (bootleg of Head On 2).

- 17th June 2007: f205v dumped Car 2 (bootleg of Head On 2) (Play Car Bologna).

- 0.113u3: Replaced timing proms (control and sequence) with only one prom (correct).

- 0.37b7: Added proms ($20, 40 - control and sequence). Removed Samples sound.

- 0.36b7: Added 'Demo Sounds' dipswitch.

- 0.36b5: Added prom ($0).

- 0.35b2: Nicola Salmoria added Head On 2 (Sega 1979).

- 7th September 1998: David Covell and Peter Fyfe dumped Head On 2 (Sega/Gremlin single C.V logic board).

LEVELS: 1 (endless)

Recommended Games (Racing):

Car Polo

Fire Truck



Head On

Head On (Irem)

Alpha Fighter / Head On

Space Attack / Head On

Head On 2

Invinco / Head On 2

Rolling Crash / Moon Base

Space Chaser


Highway Chase (DECO Cassette)

Mad Alien

Rally X

Namco Classic Collection Vol.2 (Rally X)

New Rally X



Armored Car

Jump Bug

Route 16


Radical Radial

Van-Van Car

Kamikaze Cabbie

Taxi Driver

City Connection


Fast Lane

Counter Run


Crazy Taxi

Crazy Taxi High Roller

Emergency Call Ambulance

Pang Pang Car

Ringout 4x4

Romset: 9 kb / 10 files / 7.40 zip

MAME XML Output:

       <game name="headon2s" sourcefile="vicdual.c" cloneof="headon2" romof="headon2">
              <description>Head On 2 (Sidam bootleg)</description>
              <manufacturer>bootleg (Sidam)</manufacturer>
              <rom name="10304.0.9a" size="1024" crc="256a1fc8" sha1="2ff621d7160e1420fd2cd9ad62d134e22b1650b3" region="maincpu" offset="0"/>
              <rom name="10304.1.8a" merge="u26.bin" size="1024" crc="61c47b15" sha1="47619bd51fcaf47dd72e940c474f310c9287f2f4" region="maincpu" offset="400"/>
              <rom name="10304.2.7a" size="1024" crc="a6c268d4" sha1="3b6c27f700ea4474f5354bbdcce82883c2e7e6e9" region="maincpu" offset="800"/>
              <rom name="10304.3.6a" merge="u24.bin" size="1024" crc="17a09f24" sha1="0cb40ec185f2ee3a26e943d84e8e2834d5f9d3ed" region="maincpu" offset="c00"/>
              <rom name="10304.4.5a" size="1024" crc="9af8a2e0" sha1="92f45bc593fabf7a30615820b4b91677071bc67e" region="maincpu" offset="1000"/>
              <rom name="10304.5.4a" size="1024" crc="6975286c" sha1="bcb5af18a991b9898fe28e69575c89c7b02d762d" region="maincpu" offset="1400"/>
              <rom name="10304.6.3a" size="1024" crc="06fbcdce" sha1="821b501dbf59c45d5e03afa3c786fca727da9cd6" region="maincpu" offset="1800"/>
              <rom name="10304.7b.2a" size="1024" crc="3588fc8f" sha1="4529b79a1b654591ee2e879922a5377edc1faee5" region="maincpu" offset="1c00"/>
              <rom name="10303.3e" size="32" crc="e60a7960" sha1="b8b8716e859c57c35310efc4594262afedb84823" region="user1" offset="0"/>
              <rom name="10302.2e" size="32" crc="a1506b9d" sha1="037c3db2ea40eca459e8acba9d1506dd28d72d10" region="user1" offset="20"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="1933560"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="discrete" name="DISCRETE"/>
              <display tag="screen" type="raster" rotate="0" width="256" height="224" refresh="60.000000" pixclock="5156160" htotal="328" hbend="0" hbstart="256" vtotal="262" vbend="0" vbstart="224" />
              <sound channels="1"/>
              <input players="1" buttons="1" coins="1">
                     <control type="joy" ways="4"/>
              <dipswitch name="Lives" tag="IN1" mask="24">
                     <dipvalue name="4" value="24" default="yes"/>
                     <dipvalue name="5" value="16"/>
                     <dipvalue name="6" value="0"/>
              <dipswitch name="Demo Sounds" tag="IN2" mask="2">
                     <dipvalue name="Off" value="0"/>
                     <dipvalue name="On" value="2" default="yes"/>
              <driver status="preliminary" emulation="preliminary" color="good" sound="good" graphic="good" savestate="unsupported" palettesize="0"/>

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