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demoderb: MAME ROM Information.


Demolition Derby (c) 1984 Bally Midway.

Drive your car in a demolition derby and avoid getting hit in the radiator. Hit other cars in the radiator several times to make them explode. Collect wrenches, screwdrivers and car keys for bonuses.


Bally Midway MCR 3 hardware

[No. 0A59]

[2-Player model]

Main CPU : Z80 (@ 5 Mhz), Z80 (@ 2 Mhz), M6809 (@ 2 Mhz)

Sound Chips : (2x) AY8910 (@ 2 Mhz), DAC

Screen orientation : Horizontal

Video resolution : 512 x 480 pixels

Screen refresh : 30.00 Hz

Palette colors : 64

Players : 4

Control : dial

Buttons : 2


Also released as "Demolition Derby [4-Player model]".


Concept and Programmer : Jeff Nauman

Artists / Animators : Sharon Perry, Steve Ulstad, Brian Colin

Sounds : Michael Bartlow


Game's rom.

Machine's picture.

MAME Info:

0.28 [Christopher Kirmse, Aaron Giles, Nicola Salmoria, Brad Oliver]

Artwork available


- Press F2 before initial screen to configure Track=Steer player 1 CTRL=Accelerate forward ALT=Accelerate backward


- Steering wheel inputs should have their ports inverted instead of reversed. mjenison (ID 04401)


- 0.145u7: Added 'Midway SSIO Sound Board' and 'Midway Turbo Chip Squeak Sound Board' sound. Removed mono Speaker and 3rd sound channel. Moved Sound Board prom 82s123.12d to midssio device set.

- 0.129u6: Couriersud fixed duplicated input definitions for P1 and P2 buttons in Demolition Derby.

- 26th July 2008: Mr. Do - Thanks to the BYOAC/CAG artwork, we now have a Demolition Derby bezel.

- 0.122u6: Replaced M6809 CPU3 with M6809E (8MHz).

- 0.98u1: Added Z80 (2MHz) CPU2 and 2x AY8910 (2MHz) sound. Changed M6809 CPU3 clock speed to 2MHz. Added prom ($0 - from shollow). Changed region cpu2 to cpu3 and sound to 3 channels.

- 0.56: Renamed (destderb) to (demoderb) and (destderm) to (demoderm).

- 0.53: Changed palettesize from 128 to 64 colors.

- 0.36b6: Aaron Giles added clone Demolition Derby (2-Player Mono Board Version).

- 0.35b13: Bret Wallace added sound to Demolition Derby. Replaced Z80 CPU2 and 2x AY-8910 with M6809 (2250000 Hz) and DAC sound. Added new cpu2 roms ($c000, e000).

- 0.31: Known issues: Due to missing ROMs from the Turbo Cheap Squeak board, sound doesn't work.

- 0.28: Added Demolition Derby (Bally Midway 1984). Players 2-4 aren't fully supported. Due to missing ROMs from the Turbo Cheap Squeak board, sound doesn't work. Christopher Kirmse, Aaron Giles and Brad Oliver provided a MCR I/II/III driver, supporting: Kick, Solar Fox, Tron, Two Tigers, Domino Man, Satan's Hollow, Wacko, Kozmik Kroozr, Journey, Tapper, Discs of Tron, Demolition Derby, Timber, Spy Hunter and Rampage. Control: Press F2 before initial screen to configure. Track = Steer player 1, CTRL = Accelerate forward and ALT = Accelerate backward. At this time, the game requires a trackball (-trak option). Known issues: Players 2-4 aren't fully supported. No sound (it should work in theory).

Other Emulators:

* Retrocade

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Club Kart: European Session

Romset: 208 kb / 15 files / 59.4 zip

MAME XML Output:

       <game name="demoderb" sourcefile="mcr.c">
              <description>Demolition Derby</description>
              <manufacturer>Bally Midway</manufacturer>
              <rom name="dd_pro" size="16384" crc="8781b367" sha1="52fe4f4e3fa0370284845d88bc7b30a95c962b22" region="maincpu" offset="0"/>
              <rom name="dd_pro1" size="16384" crc="4c713bfe" sha1="493b6ba01e86e7586ad123c53cf7f0a0c191d670" region="maincpu" offset="4000"/>
              <rom name="dd_pro2" size="16384" crc="c2cbd2a4" sha1="fa642b2f61ff5529ab688a43c1dc14357a4eba6f" region="maincpu" offset="8000"/>
              <rom name="tcs_u5.bin" size="8192" crc="eca33b2c" sha1="938b021ea3b0f23aed7a98a930a58af371a02303" region="tcs:cpu" offset="c000"/>
              <rom name="tcs_u4.bin" size="8192" crc="3490289a" sha1="a9d56ea60bb901267da41ab408f8e1ed3742b0ac" region="tcs:cpu" offset="e000"/>
              <rom name="dd_bg0.6f" size="8192" crc="cf80be19" sha1="a2ab09ee2dc76fab472fec7520ed972ccc10e826" region="gfx1" offset="0"/>
              <rom name="dd_bg1.5f" size="8192" crc="4e173e52" sha1="ac5ae8007a63f9c074444783c1058109327dd118" region="gfx1" offset="2000"/>
              <rom name="dd_fg-0.a4" size="16384" crc="e57a4de6" sha1="d1b2396a85b984e171d751ef8e1cf970ac4ff9fb" region="gfx2" offset="0"/>
              <rom name="dd_fg-4.a3" size="16384" crc="55aa667f" sha1="d611dbf9e8ef383d02514b0edb9ea36670193bf0" region="gfx2" offset="4000"/>
              <rom name="dd_fg-1.a6" size="16384" crc="70259651" sha1="55967aaf2a7617c8f5a199d1e07128d79ce16970" region="gfx2" offset="8000"/>
              <rom name="dd_fg-5.a5" size="16384" crc="5fe99007" sha1="9d640b4715333efdc6300dc353991d6934929399" region="gfx2" offset="c000"/>
              <rom name="dd_fg-2.a8" size="16384" crc="6cab7b95" sha1="8faff7458ab5ff2dd096dd78b1449a4096cc6345" region="gfx2" offset="10000"/>
              <rom name="dd_fg-6.a7" size="16384" crc="abfb9a8b" sha1="14ab416bc76db25ad97353c9072048c64ec95344" region="gfx2" offset="14000"/>
              <rom name="dd_fg-3.a10" size="16384" crc="801d9b86" sha1="5a8c72d1060eea1a3ad67b98aa6eff13f6837af6" region="gfx2" offset="18000"/>
              <rom name="dd_fg-7.a9" size="16384" crc="0ec3f60a" sha1="4176b246b0ea7bce9498c20e12678f16f7173529" region="gfx2" offset="1c000"/>
              <device_ref name="midssio"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="5000000"/>
              <chip type="cpu" tag="ssio:cpu" name="Z80" clock="2000000"/>
              <chip type="cpu" tag="tcs:cpu" name="M6809E" clock="8000000"/>
              <chip type="audio" tag="lspeaker" name="Speaker"/>
              <chip type="audio" tag="rspeaker" name="Speaker"/>
              <chip type="audio" tag="ssio" name="Midway SSIO Sound Board"/>
              <chip type="audio" tag="ssio:ay0" name="AY-3-8910A" clock="2000000"/>
              <chip type="audio" tag="ssio:ay1" name="AY-3-8910A" clock="2000000"/>
              <chip type="audio" tag="tcs" name="Midway Turbo Chip Squeak Sound Board"/>
              <chip type="audio" tag="tcs:dac" name="DAC"/>
              <display tag="screen" type="raster" rotate="0" width="512" height="480" refresh="30.000000" />
              <sound channels="2"/>
              <input players="4" buttons="2" coins="4" tilt="yes">
                     <control type="dial" minimum="0" maximum="63" sensitivity="50" keydelta="10" reverse="yes"/>
              <dipswitch name="Service Mode" tag="ssio:IP0" mask="32">
                     <dipvalue name="Off" value="32" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Cabinet" tag="ssio:IP3" mask="1">
                     <dipvalue name="2P Upright" value="1" default="yes"/>
                     <dipvalue name="4P Cocktail" value="0"/>
              <dipswitch name="Difficulty" tag="ssio:IP3" mask="2">
                     <dipvalue name="Normal" value="2" default="yes"/>
                     <dipvalue name="Harder" value="0"/>
              <dipswitch name="Free Play" tag="ssio:IP3" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Reward Screen" tag="ssio:IP3" mask="8">
                     <dipvalue name="Expanded" value="8" default="yes"/>
                     <dipvalue name="Limited" value="0"/>
              <dipswitch name="Coinage" tag="ssio:IP3" mask="48">
                     <dipvalue name="2 Coins/1 Credit" value="32"/>
                     <dipvalue name="2 Coins/2 Credits" value="0"/>
                     <dipvalue name="1 Coin/1 Credit" value="48" default="yes"/>
                     <dipvalue name="1 Coin/2 Credits" value="16"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="64"/>

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