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derbyoc: MAME ROM Information.


Derby Owners Club (c) 1999 Sega.

This is a thoroughbred horse racing video game that allows players to own, breed, train, and ride their very own race horse. A data-storing card is dispensed with the first play, allowing each player to continuously develop their horse, offspring, and stables through repeat play. The innovative cabinet design allows up to 4 players to race simultaneously.


Hardware : Naomi Based

CPU : SH-4 64-bit RISC CPU (200 MHz 360 MIPS / 1.4 GFLOPS)

Graphic Engine : PowerVR (PVR2DC)

Sound Engine : ARM7 Yamaha AICA 45 MHz (with internal 32-bit RISC CPU, 64 channel ADPCM)

Main Memory : 32 MByte

Graphic Memory : 16 MByte

Sound Memory : 8 MByte

Media : ROM Board (maximum size of 168 MBytes) / GD-Rom

Simultaneous Number of Colors : Approx. 16,770,000 (24bits)

Polygons : 2.5 Million polys/sec

Rendering Speed : 500 M pixel/sec

Additional Features : Bump Mapping, Fog, Alpha-Bending (transparency), Mip Mapping (polygon-texture auto switch), Tri-Linear Filtering, Anti-Aliasing, Environment Mapping, and Specular Effect.

Notes : Each 'Game' uses 9 Naomi units, 1 for each of the 8 'Satellite's' and 1 for the main screen. These are all linked together in a network. Player's data saved on HitMaker removable card system. Cards are playable on any other HitMaker system in the same or other locations.


"Derby Owners Club EX" : The 'EX' software update provides a variety of added features including a new race call from legendary Tampa Downs and Canterbury Park track announcer Richard Grunder, 30 new sires and 30 new dams, tournament software with 3 competition modes, on-screen display of your 6 prior race results, and a new classic Trumpeter Call to Post with several different versions to catch the players' attention as well as patrons in the area.


* Consoles :

Sega Dreamcast ("Derby Tsuku - Let's Make a Derby Stallion!" [Prototype]

* Computers :

PC (2004)


Game's rom.

Machine's picture.

MAME Info:

0.137u4 [Guru]

0.114u1 [Guru]


- 0.143u4: Added derbyoc-key.bin rom.

- 0.138u3: Changed description to 'Derby Owners Club (JPN, USA, EXP, KOR, AUS) (Rev B)'.

- 21st June 2010: f205v dumped Derby Owners Club 2000 Ver.2 (Rev A) (Hitmaker - Sega 2000).

- 0.137u4: Changed 'Derby Owners Club (JPN, USA, EXP, KOR, AUS Ver. B)' to the parent set 'Derby Owners Club (JPN, USA, EXP, KOR, AUS)'. Renamed (derbyocb) to (derbyoc).

- 0.137u3: Changed description to 'Derby Owners Club (JPN, USA, EXP, KOR, AUS Ver. B)'. Renamed (derbyoc) to (derbyocb).

- 0.131: Added missing user1 roms.

- 20th April 2009: Guru - I'm still steadily going through the NAOMI ROM carts here and dumping a few more each day. Today's dumps include.... Derby Owner's Club.

- 0.114u1: Guru added Derby Owners Club (JPN, USA, EXP, KOR, AUS) (Sega ????).

- 20th July 2003: Guru - Received Derby Owners Club (Sega 1999). Big thanks to Leonid81, Bob Schultz, jmurjr, Smitdogg, f205v, Kevin Eshbach and many MAMEWorld contributors.

Other Emulators:

* Demul

* Makaron

* nullDC

Recommended Games (Horse):

King Derby

Winners Circle

Gladiator 1984

Wai Wai Jockey Gate-In!

Jockey Club

Jockey Club II

Arlington Horse Racing


Diamond Derby

Othello Derby

Stakes Winner

Stakes Winner 2

Gallop Racer

Gallop Racer 2

Gallop Racer 3

Super Derby

Final Furlong

Final Furlong 2

Dark Horse Legend

Derby Owners Club

Derby Owners Club 2000

Derby Owners Club II

Derby Owners Club World Edition

Jockey Grand Prix

Net Select Keiba Victory Furlong

Romset: 118785 kb / 16 files / 42.2 zip

MAME XML Output:

       <game name="derbyoc" sourcefile="naomi.c" romof="naomi">
              <description>Derby Owners Club (JPN, USA, EXP, KOR, AUS) (Rev B)</description>
              <biosset name="bios0" description="epr-21576h (Japan)" default="yes"/>
              <biosset name="bios1" description="epr-21576g (Japan)"/>
              <biosset name="bios2" description="epr-21576e (Japan)"/>
              <biosset name="bios3" description="epr-21576d (Japan)"/>
              <biosset name="bios4" description="epr-21576b (Japan)"/>
              <biosset name="bios5" description="epr-21576a (Japan)"/>
              <biosset name="bios6" description="epr-21576 (Japan)"/>
              <biosset name="bios7" description="epr-21578h (Export)"/>
              <biosset name="bios8" description="epr-21578g (Export)"/>
              <biosset name="bios9" description="epr-21578e (Export)"/>
              <biosset name="bios10" description="epr-21578d (Export)"/>
              <biosset name="bios11" description="epr-21578b (Export)"/>
              <biosset name="bios12" description="epr-21577h (USA)"/>
              <biosset name="bios13" description="epr-21577g (USA)"/>
              <biosset name="bios14" description="epr-21577e (USA)"/>
              <biosset name="bios15" description="epr-21577d (USA)"/>
              <biosset name="bios16" description="epr-21579d (Korea)"/>
              <biosset name="bios17" description="epr-21579 (Korea)"/>
              <biosset name="bios18" description="Naomi Dev BIOS"/>
              <rom name="epr-21576h.ic27" merge="epr-21576h.ic27" bios="bios0" size="2097152" crc="d4895685" sha1="91424d481ff99a8d3f4c45cea6d3f0eada049a6d" region="maincpu" offset="0"/>
              <rom name="epr-21576g.ic27" merge="epr-21576g.ic27" bios="bios1" size="2097152" crc="d2a1c6bf" sha1="6d27d71aec4dfba98f66316ae74a1426d567698a" region="maincpu" offset="0"/>
              <rom name="epr-21576e.ic27" merge="epr-21576e.ic27" bios="bios2" size="2097152" crc="08c0add7" sha1="e7c1a7673cb2ccb21748ef44105e46d1bad7266d" region="maincpu" offset="0"/>
              <rom name="epr-21576d.ic27" merge="epr-21576d.ic27" bios="bios3" size="2097152" crc="3b2afa7b" sha1="d007e1d321c198a38c5baff86eb2ab84385d150a" region="maincpu" offset="0"/>
              <rom name="epr-21576b.ic27" merge="epr-21576b.ic27" bios="bios4" size="2097152" crc="755a6e07" sha1="7e8b8ccfc063144d89668e7224dcd8a36c54f3b3" region="maincpu" offset="0"/>
              <rom name="epr-21576a.ic27" merge="epr-21576a.ic27" bios="bios5" size="2097152" crc="cedfe439" sha1="f27798bf3d890863ef0c1d9dcb4e7782249dca27" region="maincpu" offset="0"/>
              <rom name="epr-21576.ic27" merge="epr-21576.ic27" bios="bios6" size="2097152" crc="9dad3495" sha1="5fb66f9a2b68d120f059c72758e65d34f461044a" region="maincpu" offset="0"/>
              <rom name="epr-21578h.ic27" merge="epr-21578h.ic27" bios="bios7" size="2097152" crc="7b452946" sha1="8e9f153bbada24b37066dc45b64a7bf0d4f26a9b" region="maincpu" offset="0"/>
              <rom name="epr-21578g.ic27" merge="epr-21578g.ic27" bios="bios8" size="2097152" crc="55413214" sha1="bd2748365a9fc1821c9369aa7155d7c41c4df43e" region="maincpu" offset="0"/>
              <rom name="epr-21578e.ic27" merge="epr-21578e.ic27" bios="bios9" size="2097152" crc="087f09a3" sha1="0418eb2cf9766f0b1b874a4e92528779e22c0a4a" region="maincpu" offset="0"/>
              <rom name="epr-21578d.ic27" merge="epr-21578d.ic27" bios="bios10" size="2097152" crc="dfd5f42a" sha1="614a0db4743a5e5a206190d6786ade24325afbfd" region="maincpu" offset="0"/>
              <rom name="epr-21578b.ic27" merge="epr-21578b.ic27" bios="bios11" size="2097152" crc="6c9aad83" sha1="555918de76d8dbee2a97d8a95297ef694b3e803f" region="maincpu" offset="0"/>
              <rom name="epr-21577h.ic27" merge="epr-21577h.ic27" bios="bios12" size="2097152" crc="fdf17452" sha1="5f3e4b677f0046ce690a4f096b0481e5dd8bb6e6" region="maincpu" offset="0"/>
              <rom name="epr-21577g.ic27" merge="epr-21577g.ic27" bios="bios13" size="2097152" crc="25f64af7" sha1="99f9e6cc0642319bd2da492611220540add573e8" region="maincpu" offset="0"/>
              <rom name="epr-21577e.ic27" merge="epr-21577e.ic27" bios="bios14" size="2097152" crc="cf36e97b" sha1="b085305982e7572e58b03a9d35f17ae319c3bbc6" region="maincpu" offset="0"/>
              <rom name="epr-21577d.ic27" merge="epr-21577d.ic27" bios="bios15" size="2097152" crc="60ddcbbe" sha1="58b15096d269d6df617ca1810b66b47deb184958" region="maincpu" offset="0"/>
              <rom name="epr-21579d.ic27" merge="epr-21579d.ic27" bios="bios16" size="2097152" crc="33513691" sha1="b1d8c7c516e1471a788fcf7a02a794ad2f05aeeb" region="maincpu" offset="0"/>
              <rom name="epr-21579.ic27" merge="epr-21579.ic27" bios="bios17" size="2097152" crc="71f9c918" sha1="d15af8b947f41eea7c203b565cd403e3f37a2017" region="maincpu" offset="0"/>
              <rom name="dcnaodev.bios" merge="dcnaodev.bios" bios="bios18" size="524288" crc="7a50fab9" sha1="ef79f448e0bf735d1264ad4f051d24178822110f" region="maincpu" offset="0"/>
              <rom name="main_eeprom.bin" merge="main_eeprom.bin" size="128" crc="fea29cbb" sha1="4099f1747aafa07db34f6e072cd9bfaa83bae10e" region="main_eeprom" offset="0"/>
              <rom name="x76f100_eeprom.bin" merge="x76f100_eeprom.bin" size="132" crc="3ea24b6a" sha1="3a730ebcf56e0060fef6b1b02eb2eb7cfb7e61dc" region="naomibd_eeprom" offset="0"/>
              <rom name="epr-22099b.ic22" size="4194304" crc="5e708879" sha1="fada4f4bf29fc8f77f354167f8db4f904610fe1a" region="rom_board" offset="0"/>
              <rom name="mpr-22085.ic1" size="8388608" crc="fffe9cc5" sha1="ce6082fc648718b3831f709ba8b6212946c72d70" region="rom_board" offset="800000"/>
              <rom name="mpr-22086.ic2" size="8388608" crc="610fe214" sha1="c982d9e4722c2b6cb87f2bc3e2ac0f764f0bae79" region="rom_board" offset="1000000"/>
              <rom name="mpr-22087.ic3" size="8388608" crc="f0cd2a26" sha1="21ff7d6540cfeb5e563d3528bd4bb31c5f285f1a" region="rom_board" offset="1800000"/>
              <rom name="mpr-22088.ic4" size="8388608" crc="62a7e6db" sha1="103e2413c9706a5a98f05646fd3a7d7808593ad8" region="rom_board" offset="2000000"/>
              <rom name="mpr-22089.ic5" size="8388608" crc="cb135eb6" sha1="a49df8fbae1ea0fb1251d0d8f302cc8687c3be0b" region="rom_board" offset="2800000"/>
              <rom name="mpr-22090.ic6" size="8388608" crc="13e44d57" sha1="450fe281d34c088e61a4c2ee6ae434f330deb482" region="rom_board" offset="3000000"/>
              <rom name="mpr-22091.ic7" size="8388608" crc="efa1e2fc" sha1="058635bee7a87b8191127060c6a28c053001b466" region="rom_board" offset="3800000"/>
              <rom name="mpr-22092.ic8" size="8388608" crc="de1ea163" sha1="f2b0169fac3e1074628dec75642e7c41c8160964" region="rom_board" offset="4000000"/>
              <rom name="mpr-22093.ic9" size="8388608" crc="ecbc523b" sha1="952618a0966838f5b814ff1265c899481aae1ba9" region="rom_board" offset="4800000"/>
              <rom name="mpr-22094.ic10" size="8388608" crc="72af7a70" sha1="b1437dbf47f95bbdb9fe7a215c5a3b0f3839d917" region="rom_board" offset="5000000"/>
              <rom name="mpr-22095.ic11" size="8388608" crc="ae74b61a" sha1="1c9de865447c9993d7faff2e61837e4b74353c3a" region="rom_board" offset="5800000"/>
              <rom name="mpr-22096.ic12" size="8388608" crc="d8c41648" sha1="d465f4b841164da0738336e203c5bc6e1e799a76" region="rom_board" offset="6000000"/>
              <rom name="mpr-22097.ic13" size="8388608" crc="f1dedac5" sha1="9d4499cbafe80dd0b36be617de7994a96e1e9a01" region="rom_board" offset="6800000"/>
              <rom name="mpr-22098.ic14" size="8388608" crc="f9824d2e" sha1="f20f8cc2b1bef9077ede1cb874da8f2a335d39de" region="rom_board" offset="7000000"/>
              <rom name="derbyoc-key.bin" size="4" crc="bc568260" sha1="6dc4923a730bc0380490519c82f1443226365c3a" region="rom_key" offset="0"/>
              <device_ref name="mie"/>
              <chip type="cpu" tag="maincpu" name="SH-4" clock="200000000"/>
              <chip type="cpu" tag="soundcpu" name="ARM7" clock="2822400"/>
              <chip type="cpu" tag="mie_maple:mie" name="Z80" clock="4000000"/>
              <chip type="audio" tag="lspeaker" name="Speaker"/>
              <chip type="audio" tag="rspeaker" name="Speaker"/>
              <chip type="audio" tag="aica" name="AICA"/>
              <display tag="screen" type="raster" rotate="0" width="640" height="480" refresh="60.000000" />
              <sound channels="2"/>
              <input players="2" buttons="6" coins="2" service="yes" tilt="yes">
                     <control type="joy" ways="8"/>
              <dipswitch name="Monitor" tag="MIE:5" mask="1">
                     <dipvalue name="31 kHz" value="1"/>
                     <dipvalue name="15 kHz" value="0" default="yes"/>
              <dipswitch name="Unknown" tag="MIE:5" mask="2">
                     <dipvalue name="Off" value="2" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unknown" tag="MIE:5" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unknown" tag="MIE:5" mask="8">
                     <dipvalue name="Off" value="8" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Bilinear Filtering" tag="MAMEDEBUG" mask="1">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="1"/>
              <dipswitch name="Disable Render Calls" tag="MAMEDEBUG" mask="2">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="2"/>
              <driver status="preliminary" emulation="preliminary" color="good" sound="imperfect" graphic="imperfect" protection="preliminary" savestate="unsupported" palettesize="4096"/>

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