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dietgoj: MAME ROM Information.


Diet Go Go (c) 1992 Data East.

A platform game where 2 teenagers run around fighting against various monsters. A few shots fatten the monsters so they can be kicked around. Also, various items fall, including food which fattens the kids with expected results, and Diet Sodas, which burns off the fat.


Main CPU : 68000 (@ 14 Mhz), HuC6280 (@ 8.055 Mhz)

Sound Chips : YM2151 (@ 3.58 Mhz), OKI6295 (@ 7.627 Khz)

Players : 2

Control : 8-way Joystick

Buttons : 3


Released in August 1992.


The US version is slightly different, it has the "Winners Don't Use Drugs" screen.


Power Up : 1000 points

Speed Up : 1000 points

Barrier : ???

Bomb : ???

Super Bomb : ???

Slot Coin : 0 points (make the slot roll)

Diet Drink : 1000 points

1UP : ???

Rainbow Crystal : 10000 points

Ruby : 500 points

Big Ruby : 1000 points

Diamond : 1000 points

Big Diamond : 2000 points

Crystal : 200 points

Ring : 100 points

Big Ring : 300 points


Planner : Makoto Kikuchi

Programmer : Hidemi Hamada, Yas Nomura, Magical Kei

Designer : Masanori Tokoro, Chie Kitahara, Asami Kaneko, Hiroshi Koga, Ryohei Hirakata, Mario, Yasuko Kurohiji

Sound : Tomoyoshi Sato ('Tom Sato'), Seira, Tatsuya Kiuchi ('Mr.K')

Hardware : T. Kanayama

Special thanks : Nice Guy Sano


Game's rom.

MAME Info:

0.95u6 [Corrado Tomaselli]

0.84 [David Haywood]


- 0.136u4: Fabio Priuli converted Diet Go Go to use the device-fied video chips and added driver data struct and save states.

- 0.131u1: MooglyGuy merged memory maps in Diet Go Go.

- 0.122u7: Corrado Tomaselli corrected 'Diet Go Go' HuC6280 clock so that it behaves correctly with Charles MacDonald fix to the cpu core. Changed HuC6280 CPU2 clock speed to 2685000 Hz.

- 0.122u5: Corrado Tomaselli verified/corrected frequencies and OKI6295 pin 7 in Diet Go Go. Changed HuC6280 CPU2 clock speed to 671250 Hz.

- 0.104u4: Aaron Giles fixed Diet Go Go (it refuses to run in 0104u2).

- 0.96u1: Bryan McPhail fixed graphic banking in Diet Go Go.

- 0.96: Changed OKI6295 clock speed to 7627 Hz. Changed sound channels back to one.

- 0.95u6: Corrado Tomaselli added 'Diet Go Go (Euro v1.1 1992.09.26)'. Bryan McPhail and David Haywood fixed Diet Go Go - Game now playable. Added HuC6280 (8055000 Hz) CPU2, YM2151 (3580000 Hz) and OKI6295 (15514 Hz) sound. Changed visible area to 320x240 and added dipswitches 'Coin A/B', 'Flip Screen','Continue Coin', 'Lives', 'Difficulty' and 'Free Play'. Changed 'Diet Go Go' to clone 'Diet Go Go (USA v1.1 1992.09.26)' and clones '(Euro v1.1)' to '(Euro v1.1 1992.08.04)' and '(alt)' to '(Japan v1.1 1992.09.26)'. Renamed (dietgo) to (dietgou) and (dietgoa) to (dietgoj).

- 23rd April 2005: Bryan McPhail - Finished off the emulation of Diet Go Go, adding sound and fixing the graphical problems. The game now seems to work fine as it doesn't seem to make much use of the protection.

- 0.95u5: Nicola Salmoria figured out decryption of remaining DECO102 games. Swapped cpu1 roms ($0, 1).

- 0.95u4: Nicola Salmoria added preliminary decryption to DECO 102 games.

- 20th February 2005: Corrado Tomaselli dumped Diet Go Go (Euro v1.1 1992.08.04).

- 0.84: David Haywood added Diet Go Go (Data East 1992) and clones (alt) and (Euro v1.1).

- 3rd November 2002: Guru - Diet GoGo (Data East 1993) arrived from Japan. Thanks to WTC.


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* FB Alpha

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Romset: 4160 kb / 7 files / 2.06 zip

MAME XML Output:

       <game name="dietgoj" sourcefile="dietgo.c" cloneof="dietgo" romof="dietgo">
              <description>Diet Go Go (Japan v1.1 1992.09.26)</description>
              <manufacturer>Data East Corporation</manufacturer>
              <rom name="jw-00-2.4h" size="262144" crc="e6ba6c49" sha1="d5eaea81f1353c58c03faae67428f7ee98e766b1" region="maincpu" offset="1"/>
              <rom name="jw-01-2.5h" size="262144" crc="684a3d57" sha1="bd7a57ba837a1dc8f92b5ebcb46e50db1f98524f" region="maincpu" offset="0"/>
              <rom name="jx.02" merge="jy02.m14" size="65536" crc="4e3492a5" sha1="5f302bdbacbf95ea9f3694c48545a1d6bba4b019" region="audiocpu" offset="0"/>
              <rom name="may00" merge="may00" size="1048576" crc="234d1f8d" sha1="42d23aad20df20cbd2359cc12bdd47636b2027d3" region="gfx1" offset="0"/>
              <rom name="may01" merge="may01" size="1048576" crc="2da57d04" sha1="3898e9fef365ecaa4d86aa11756b527a4fffb494" region="gfx2" offset="0"/>
              <rom name="may02" merge="may02" size="1048576" crc="3a66a713" sha1="beeb99156332cf4870738f7769b719a02d7b40af" region="gfx2" offset="1"/>
              <rom name="may03" merge="may03" size="524288" crc="b6e42bae" sha1="c282cdf7db30fb63340cc609bf00f5ab63a75583" region="oki" offset="0"/>
              <chip type="cpu" tag="maincpu" name="68000" clock="14000000"/>
              <chip type="cpu" tag="audiocpu" name="HuC6280" clock="2685000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="ymsnd" name="YM2151" clock="3580000"/>
              <chip type="audio" tag="oki" name="OKI6295" clock="1006875"/>
              <display tag="screen" type="raster" rotate="0" width="320" height="240" refresh="58.000000" />
              <sound channels="1"/>
              <input players="2" buttons="3" coins="2">
                     <control type="joy" ways="8"/>
              <dipswitch name="Coin A" tag="DSW" mask="7">
                     <dipvalue name="3 Coins/1 Credit" value="0"/>
                     <dipvalue name="2 Coins/1 Credit" value="1"/>
                     <dipvalue name="1 Coin/1 Credit" value="7" default="yes"/>
                     <dipvalue name="1 Coin/2 Credits" value="6"/>
                     <dipvalue name="1 Coin/3 Credits" value="5"/>
                     <dipvalue name="1 Coin/4 Credits" value="4"/>
                     <dipvalue name="1 Coin/5 Credits" value="3"/>
                     <dipvalue name="1 Coin/6 Credits" value="2"/>
              <dipswitch name="Coin B" tag="DSW" mask="56">
                     <dipvalue name="3 Coins/1 Credit" value="0"/>
                     <dipvalue name="2 Coins/1 Credit" value="8"/>
                     <dipvalue name="1 Coin/1 Credit" value="56" default="yes"/>
                     <dipvalue name="1 Coin/2 Credits" value="48"/>
                     <dipvalue name="1 Coin/3 Credits" value="40"/>
                     <dipvalue name="1 Coin/4 Credits" value="32"/>
                     <dipvalue name="1 Coin/5 Credits" value="24"/>
                     <dipvalue name="1 Coin/6 Credits" value="16"/>
              <dipswitch name="Flip Screen" tag="DSW" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Continue Coin" tag="DSW" mask="128">
                     <dipvalue name="1 Start/1 Continue" value="128" default="yes"/>
                     <dipvalue name="2 Start/1 Continue" value="0"/>
              <dipswitch name="Lives" tag="DSW" mask="768">
                     <dipvalue name="1" value="256"/>
                     <dipvalue name="2" value="0"/>
                     <dipvalue name="3" value="768" default="yes"/>
                     <dipvalue name="4" value="512"/>
              <dipswitch name="Difficulty" tag="DSW" mask="3072">
                     <dipvalue name="Easy" value="2048"/>
                     <dipvalue name="Normal" value="3072" default="yes"/>
                     <dipvalue name="Hard" value="1024"/>
                     <dipvalue name="Hardest" value="0"/>
              <dipswitch name="Free Play" tag="DSW" mask="4096">
                     <dipvalue name="Off" value="4096" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unknown" tag="DSW" mask="8192">
                     <dipvalue name="Off" value="8192" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unknown" tag="DSW" mask="16384">
                     <dipvalue name="Off" value="16384" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unknown" tag="DSW" mask="32768">
                     <dipvalue name="Off" value="32768" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="1024"/>

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