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scudp: MAME ROM Information.


Scud Race Plus (c) 1997 Sega.

A very odd game, where you have to race miniature tanks, buses and rocket cars around a giant track.


Sega Model 3 Step 1.5 hardware

Main CPU : PPC603 (@ 100 Mhz)

Screen orientation : Horizontal

Video resolution : 496 x 384 pixels

Screen refresh : 60.00 Hz

Palette colors : 65536

Players : 1

Control : paddle

Buttons : 8


Released in September 1997.

In addition to featuring the regular "Scud Race", there is also a new 'Super-Beginner Mode'. The level is set in and around an giant-scale house, replete with gigantic furniture, reminiscent of 'Toy Story'.

In this mode, 4 new 'vehicles' exclusive to this mode are available : a bus, an A825-23H tank, a cat (capable of speeds up to 271km/h) and a rocket car.

When using the tank, it's possible to fire at competitors.

The AM2 team members' faces can be seen on the windows of a bus in the 'Super-Beginner Mode' track.

Because of the offbeat nature of the game, the game was never released outside Japan. It is possible, though, to switch the Country code to 'USA'.


1. Scud Race (1996)

2. Scud Race Plus (1997)


Game's rom.

MAME Info:

0.89u1 [Ville Linde, Guru, Andrew Gardner, R. Belmont]


- The game has an unemulated network board. When the game says "Network Board not present", go to the test menu (F2), select GAME ASSIGNMENTS and set 'LINK ID' to SINGLE.


- 0.143u6: Added driveboard rom epr-19338a.bin.

- 0.138u2: Alex corrected sound rom loading for the Scud Race & Scud Race Plus sets. Fixed samples rom address from $2 to $400000.

- 12th June 2010: Alex's Rom Dumping Project - Well as i got a Scud Race cab, the obvious step was to upgrade it to plus version. So i did, i got roms from MAME, burnt those and put those on both boards as MAME layout. Thing is that, game worked fine, not video glitches, but SE sound seemed screwed, some samples were swapped, others could not be heard, others sounded like garbage and so... So we had a SE problem at first, i came to the conclusion that one of the EPROMs could be bad, so i removed all roms, and passed all over Clearmame Pro. Result was that my roms were good. I moved the set to the other scud race board, and i had the same problem, so, there was something bad on the addon at all. I asked someone that had more model3 knowleage than i do, and he told me that something was wrong about IC24. He looked on his hdd and found that MPR-20101 should be in IC24 position replacing old maskrom, i decided that it was worth a try, and i placed it there. Well, it worked, glitches are gone, and everything is working fine. So once again, MAME is wrong (i dont know how many times i said that before), and ofcourse, guess who dumped the game... Now, some pictures of the game itself. Differences betwen regular version and PLUS version is the adition of a new track (super begginer) and the posibility to play tracks on reverse holding start button while selecting track. Also, there are hidden vehicles that can be selected the same way (holding start button at car selection screen). Vehicles are school bus, tank, cat... Well, i wonder if anyone would care on fix this mess.

- 8th June 2010: Alex's Rom Dumping Project - I am the proud owner of a Scud Race Sega Model 3 cabinet i cant believe this happened at all. Now, i just need some time to play with it.

- 1st July 2009: R. Belmont - Phil Bennett and I are bringing Sega MODEL 3 back. These are images from current MAME, not 0.119.

- 0.129u6: Leif Hurst added clone Scud Race (Japan), not working.

- 0.129u5: Couriersud added register SXFER (0x05) to the 53c810 - nothing more. This reg determines SCSI transfer speeds. scud / scuda now fatalerror with writes to reg # 0x70.

- 0.126: Changed description to 'Scud Race Plus (Revision A)'.

- 0.101u3: Added sound1 rom ($800000) to clone Scud Race Plus.

- 0.101u1: Ville Linde and Guru added clone Scud Race Plus.

- 10th October 2005: Guru - Scud Race Plus (Sega Model 3) arrived earlier this morning in a 'Top-Secret' local deal.

- 0.99u3: Ville Linde fixed PowerPC recompiler so that Scud Race works again.

- 0.90u2: Changed PPC603 CPU1 clock speed to 100MHz. Added Paddle, 8x buttons and 2nd coin slot.

- 3rd January 2005: Ville Linde - Fixed some bugs in the SCSI emulation, and now 3D graphics is also working in Virtua Fighter 3, Sega Bass Fishing, Scud Race and the Step 1.5 versions of Virtua Striker 2 and VS2 '98. There are still a lot of glitches and crashing though.

- 12th December 2004: Ville Linde - Fixed a ton of bugs in the PPC603 core and fixed the EEPROM among other things. Scud Race now runs normally through the attract mode (without 3D graphics of course).

- 0.89u3: Ville Linde added clone Scud Race (Export). Changed parent description to 'Scud Race (Australia)'.

- 0.89u1: Added Scud Race (Sega 1996). Some basic 2D hooked up, nothing more.

- 13th April 2003: Guru - Dumped Scud Race (Sega 1996, Model 3 Step 1.5).

Other Emulators:

* Supermodel

Recommended Games (Racing 3D):

Datsun 280 Zzzap

Night Driver

Speed Freak

Change Lanes

Konami GT

Out Run

Out Run (Mega-Tech)

Turbo Out Run

Turbo Outrun (Mega-Tech)


Out Run 2

Out Run 2 Special Tours

Rad Racer

Rad Racer II

Top Speed

Hard Drivin'

Race Drivin'

Hard Drivin's Airborne

Street Drivin'

Big Run

Cisco Heat

Rad Mobile

Rad Rally

Ridge Racer

Ridge Racer 2

Ridge Racer V Arcade Battle

Cruis'n USA

Cruis'n World

Cruis'n Exotica

Dangerous Curves

Dirt Dash

Midnight Run

Rave Racer

Sega Rally Championship

Sega Rally 2

Sega Rally 2 DX

Wheels & Fire

GTI Club

GTI Club 2

Pocket Racer

San Francisco Rush

San Francisco Rush: The Rock

San Francisco Rush 2049

Scud Race

Side By Side

Side By Side 2

Speed Up

Winding Heat

Over Rev

Roads Edge / Round Trip

California Speed

Thrill Drive

Thrill Drive 2

Battle Gear

Battle Gear 2

California Chase

18 Wheeler Deluxe

Initial D Arcade Stage

King of Route 66

Faster Than Speed

Romset: 101056 kb / 41 files / 59.0 zip

MAME XML Output:

       <game name="scudp" sourcefile="model3.c" cloneof="scud" romof="scud">
              <description>Scud Race Plus (Revision A)</description>
              <rom name="epr-20092a.17" size="524288" crc="a94ec57e" sha1="bda1d9cb38e10a25f7cdde38f30ae13541fdbc5e" region="user1" offset="600006"/>
              <rom name="epr-20093a.18" size="524288" crc="4ed2e35d" sha1="ac149b369db9fc80e63e1ed943d42ccd056dab1b" region="user1" offset="600004"/>
              <rom name="epr-20094a.19" size="524288" crc="dbf17a43" sha1="fd719515c8ed78dea80fef20f3af9b72461f81d7" region="user1" offset="600002"/>
              <rom name="epr-20095a.20" size="524288" crc="58c7e393" sha1="7e25101f72daa271f680a39042341d06249fd104" region="user1" offset="600000"/>
              <rom name="mpr-19658.01" merge="mpr-19658.01" size="4194304" crc="d523235c" sha1="0dbfe746b2bdc185768d82c50a329c4c58ad4a29" region="user1" offset="800006"/>
              <rom name="mpr-19659.02" merge="mpr-19659.02" size="4194304" crc="c47e7002" sha1="9644694e6d117564f92650f32f94ce4d7b5523fa" region="user1" offset="800004"/>
              <rom name="mpr-19660.03" merge="mpr-19660.03" size="4194304" crc="d999c935" sha1="ef5429e90314d7a789d8ccbad4d0efaeaff9741a" region="user1" offset="800002"/>
              <rom name="mpr-19661.04" merge="mpr-19661.04" size="4194304" crc="8e3fd241" sha1="df2596f483c759f068c75337320d369d80189ea1" region="user1" offset="800000"/>
              <rom name="mpr-19662.05" merge="mpr-19662.05" size="4194304" crc="3c700eff" sha1="2ebb149a3d8a9de95afe091b3a1776f4dc3fc579" region="user1" offset="1800006"/>
              <rom name="mpr-19663.06" merge="mpr-19663.06" size="4194304" crc="f6af1ca4" sha1="c78237b8f568792202d927ba0af86df6df80f87a" region="user1" offset="1800004"/>
              <rom name="mpr-19664.07" merge="mpr-19664.07" size="4194304" crc="b9d11294" sha1="69b6f5708f423fb11337184a3646597356554058" region="user1" offset="1800002"/>
              <rom name="mpr-19665.08" merge="mpr-19665.08" size="4194304" crc="f97c78f9" sha1="39aa69e365bf597e5e9185aaf4a044b485ebad8d" region="user1" offset="1800000"/>
              <rom name="mpr-19666.09" merge="mpr-19666.09" size="4194304" crc="b53dc97f" sha1="a4fbc7aade153e6f5fc1dd40ba97d462f643c2c4" region="user1" offset="2800006"/>
              <rom name="mpr-19667.10" merge="mpr-19667.10" size="4194304" crc="a8676799" sha1="78734b194e2797ac7efc40f3d0a2ff09dc93409e" region="user1" offset="2800004"/>
              <rom name="mpr-19668.11" merge="mpr-19668.11" size="4194304" crc="0b4dd8d5" sha1="b5668ce7ac5a4ac844a0a5a07df9649df9ad9615" region="user1" offset="2800002"/>
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              <rom name="mpr-20097.13" size="4194304" crc="269a9dbe" sha1="df804ec1df87c1ab6387cd1bbd5dd224adc8d528" region="user1" offset="3800006"/>
              <rom name="mpr-20098.14" size="4194304" crc="8355fa41" sha1="e6ac03fd7f1ab882a2861f65f6fea977c106dc15" region="user1" offset="3800004"/>
              <rom name="mpr-20099.15" size="4194304" crc="fc9bd7d9" sha1="2dbcbb4b7f8fbeeeeacab51179003d8a4a9e771b" region="user1" offset="3800002"/>
              <rom name="mpr-20100.16" size="4194304" crc="c99e2c01" sha1="074d4b5e85f00f5b7550e9944664fdfba8666569" region="user1" offset="3800000"/>
              <rom name="mpr-19672.26" merge="mpr-19672.26" size="2097152" crc="588c29fd" sha1="5f58c885b506592106aa15208fc1db9d55ab4481" region="user3" offset="2"/>
              <rom name="mpr-19673.27" merge="mpr-19673.27" size="2097152" crc="156abaa9" sha1="6ef9c042e9ee34090192c1c99c98d19f18efcfba" region="user3" offset="0"/>
              <rom name="mpr-19674.28" merge="mpr-19674.28" size="2097152" crc="c7b0f98c" sha1="632dbc4cb225d91c82f6a1874517ed0b03b7a0c5" region="user3" offset="6"/>
              <rom name="mpr-19675.29" merge="mpr-19675.29" size="2097152" crc="ff113396" sha1="af90bb696a3c1585318150cb83ea2ed85cdb67a1" region="user3" offset="4"/>
              <rom name="mpr-19676.30" merge="mpr-19676.30" size="2097152" crc="fd852ead" sha1="854204c33aec8fb9c014db06e4106be37ecdaf0d" region="user3" offset="a"/>
              <rom name="mpr-19677.31" merge="mpr-19677.31" size="2097152" crc="c6ac0347" sha1="c792da72af8bf9d011305c9ab7a6230b9e2c5316" region="user3" offset="8"/>
              <rom name="mpr-19678.32" merge="mpr-19678.32" size="2097152" crc="b8819cfe" sha1="b99f8d0626bc38c75058e94d2461dbec6029589d" region="user3" offset="e"/>
              <rom name="mpr-19679.33" merge="mpr-19679.33" size="2097152" crc="e126c3e3" sha1="5440540c2432a9ff5bd8e36467af46c456d16844" region="user3" offset="c"/>
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              <rom name="mpr-19681.35" merge="mpr-19681.35" size="2097152" crc="c949325f" sha1="146de7abf764adc1840b84294cbd473f191cbcb8" region="user4" offset="0"/>
              <rom name="mpr-19682.36" merge="mpr-19682.36" size="2097152" crc="ce5ca065" sha1="2f518186b29e7cf5fa1c6b036427b8015cfb681e" region="user4" offset="6"/>
              <rom name="mpr-19683.37" merge="mpr-19683.37" size="2097152" crc="e5856419" sha1="3f8f5b8b36d417090955d34553dcf6d8d9f34558" region="user4" offset="4"/>
              <rom name="mpr-19684.38" merge="mpr-19684.38" size="2097152" crc="56f6ec97" sha1="dfd251dba77b39342457036fcbe4683d24029600" region="user4" offset="a"/>
              <rom name="mpr-19685.39" merge="mpr-19685.39" size="2097152" crc="42b49304" sha1="4e185d0f97de44a25b5f982a46f0c3d1dab406c2" region="user4" offset="8"/>
              <rom name="mpr-19686.40" merge="mpr-19686.40" size="2097152" crc="84eed592" sha1="cc03094770945096d81bc981bff77b540452b045" region="user4" offset="e"/>
              <rom name="mpr-19687.41" merge="mpr-19687.41" size="2097152" crc="776ce694" sha1="d1e56ebd0011aa3a54a5829c6bd0f5343b283fa0" region="user4" offset="c"/>
              <rom name="epr-20096a.21" size="524288" crc="0fef288b" sha1="d6842108d1baea5fffba679d81179c8ffaa87b93" region="audiocpu" offset="80000"/>
              <rom name="mpr-19670.22" merge="mpr-19670.22" size="4194304" crc="bd31cc06" sha1="d1c85d0cf79b92de5bcbe20dfb8b626ad72de019" region="samples" offset="0"/>
              <rom name="mpr-20101.24" size="4194304" crc="66d1e31f" sha1="cbc06e9aebcdf82f14bef1c35cbb3203530ef6ae" region="samples" offset="400000"/>
              <rom name="epr-19612.2" merge="epr-19612.2" size="131072" crc="13978fd4" sha1="bb597914a34308376239afab6e04fc231e39e379" region="cpu2" offset="0"/>
              <rom name="mpr-19603.57" merge="mpr-19603.57" size="2097152" crc="b1b1765f" sha1="cdcb4d6e6507322f84ac5153b386c3eb5d031e22" region="dsb" offset="0"/>
              <rom name="mpr-19604.58" merge="mpr-19604.58" size="2097152" crc="6ac85b49" sha1="3e74ae6e9ac7b208e2cd5ebdf80bb3cee19d436d" region="dsb" offset="200000"/>
              <rom name="mpr-19605.59" merge="mpr-19605.59" size="2097152" crc="bec891eb" sha1="357849d2842ac77f9945eb4a0ca89253e474f617" region="dsb" offset="400000"/>
              <rom name="mpr-19606.60" merge="mpr-19606.60" size="2097152" crc="adad46b2" sha1="360b23870f1d15ab527fae1bb731da6e7a8b19c1" region="dsb" offset="600000"/>
              <rom name="epr-19338.bin" size="65536" crc="dbf88de6" sha1="8f5c83e82c26a37a1ed0476d7dfeb698b8417899" region="drivebd" offset="0"/>
              <chip type="cpu" tag="maincpu" name="PowerPC 603e" clock="100000000"/>
              <chip type="cpu" tag="audiocpu" name="68000" clock="12000000"/>
              <chip type="audio" tag="lspeaker" name="Speaker"/>
              <chip type="audio" tag="rspeaker" name="Speaker"/>
              <chip type="audio" tag="scsp1" name="SCSP"/>
              <chip type="audio" tag="scsp2" name="SCSP"/>
              <display tag="screen" type="raster" rotate="0" width="496" height="384" refresh="60.000000" pixclock="11904000" htotal="496" hbend="0" hbstart="496" vtotal="400" vbend="0" vbstart="384" />
              <sound channels="2"/>
              <input players="1" buttons="8" coins="2" service="yes">
                     <control type="paddle" minimum="0" maximum="255" sensitivity="30" keydelta="10"/>
                     <control type="pedal" minimum="0" maximum="255" sensitivity="30" keydelta="10"/>
              <driver status="preliminary" emulation="preliminary" color="good" sound="imperfect" graphic="imperfect" savestate="unsupported" palettesize="32768"/>

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