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eggventr: MAME ROM Information.


History:

Egg Venture (c) 1997 The Game Room.


A 'kid-friendly' animated shoot'em up game. Players use an optical gun to shoot at the 'bad eggs' while avoiding shooting the 'good guy eggs'. Players advance stage by stage to 38 different levels by shooting a certain number of targets.


- TECHNICAL -


Main CPU : TMS34010 (@ 5 Mhz)

Sound Chips : (3x) OKI6295 (@ 15.151 Khz)


Screen orientation : Horizontal

Video resolution : 512 x 236 pixels

Screen refresh : 60.00 Hz

Palette colors : 32768


Players : 2

Control : lightgun

Buttons : 1


- TRIVIA -


Egg Venture was a joint project between arcade parts company 'The Game Room' and 'ICE' (Innovative Creations in Entertainment), each of whom released their own version. The game was programmed by Kyle Hodgetts and does have several minor glitches, mainly down to the nature of the hardware. Problems with the availability of components meant that Kyle was forced to duplicate the sound system three times on the board to achieve polyphony, rather than using a simpler, but more expensive YM/OKI combination.


Egg Venture does not have an ending and it's only scoring system is the printing of the Dynamic Play Adjustment skill ranking after every 'day'.


The game appears to use (in places) the bass line from 'The Great Egg Race' by Martin Cooke and Richard Denton of BBC Records, although this is apparently a legitimate use, as the music came from a royalty-free library disc.


Following the success of Egg Venture, or more likely to fix the bugs present, a 'Deluxe version' was made.


The Egg Venture characters were later used in a kids redemption game.


- STAFF -


Programmed by : Kyle Hodgetts


- SOURCES -


Game's rom.

Machine's picture.




MAME Info:

0.68 [Aaron Giles]


WIP:

- 0.133u1: Renamed (eggvent8) to (eggventr8), (eggvent7) to (eggventr7), (eggventa) to (eggventra) and (eggvntdx) to (eggventrd).

- 0.128u1: Brian Troha added clone Egg Venture (Release 8).

- 0.127u3: Additional documentation for Egg Venture & Lethal Justice [Brian Troha]: Added JAMMA pinout, Gun Connector pinout and Sound & Amp information.

- 0.127u2: Guru added clone Egg Venture (A.L. Release), Allied Leisure Australia, official license?. Added also Egg Venture PCB info to the driver.

- 0.122u6: Changed TMS34010 CPU1 clock speed to 40 MHz and VSync to 61.232460.

- 0.107: Fixed sound rom names.

- 0.92: Brian Troha added clone Egg Venture (Release 7). Changed parent description to 'Egg Venture (Release 10)'.

- 0.81u4: Aaron Giles merged Lethal Justice and Egg Venture memory maps, fixed video size in Egg Venture to correct flicker, switched to VIDEO_RGB_DIRECT and removed unnecessary ROM regions and memcpy'ing. Changed visible area to 512x236.

- 0.74u2: Changed visible area to 512x239.

- 0.68: Aaron Giles added Egg Venture (The Game Room 1997) and clone Egg Venture Deluxe.

- 18th February 2003: Brian Troha added the Deluxe version of Egg Venture to the Lethal Justice driver.

- 23rd January 2003: Brian Troha fixed the dipswitches in Egg Venture.

- 22nd January 2003: Aaron Giles wrote a driver for Egg Venture.


LEVELS: 23 (original eggventr is endless!)


Recommended Games:

Chameleon

Eggor

Scrambled Egg

Chicken Shift

Egg Venture

Chicken Farm


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Unknown Model Racing gun game

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Exciting Animal Land Jr.

Pooyan

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Duck Hunt (PlayChoice-10)

Vs. Duck Hunt

Shooting Gallery

Clay Pigeon

Vs. Gumshoe

Hit 'n Miss

The First Funky Fighter

One Shot One Kill

Egg Venture

Trap Shoot Classic

Mallet Madness

Deer Hunting USA

Turkey Hunting

Wing Shooting Championship

Trophy Hunting - Bear & Moose

Extreme Hunting

Extreme Hunting 2

Hammer

Pye-nage Taikai

Sports Shooting USA


Romset: 7168 kb / 11 files / 1.26 zip




MAME XML Output:

       <game name="eggventr" sourcefile="lethalj.c">
              <description>Egg Venture (Release 10)</description>
              <year>1997</year>
              <manufacturer>The Game Room</manufacturer>
              <rom name="eggvc8.10" size="131072" crc="225d1164" sha1="b0dc55f2e8ded1fe7874de05987fcf879772289e" region="user1" offset="0"/>
              <rom name="eggvc9.10" size="131072" crc="42f6e904" sha1="11be8e7383a218aac0e1a63236bbdb7cca0993bf" region="user1" offset="1"/>
              <rom name="egr1.bin" size="1048576" crc="f73f80d9" sha1="6278b45579a256b9576ba6d4f5a15fab26797c3d" region="gfx1" offset="0"/>
              <rom name="egr2.bin" size="1048576" crc="3a9ba910" sha1="465aa3119af103aa65b25042b3572fdcb9c1887a" region="gfx1" offset="1"/>
              <rom name="egr4.bin" size="1048576" crc="4ea5900e" sha1="20341337ee3c6c22580c52312156b818f4187693" region="gfx1" offset="200000"/>
              <rom name="egr3.bin" size="1048576" crc="3f8dfc73" sha1="83a168069f896ea7e67a97c6d591d09b19d5f486" region="gfx1" offset="200001"/>
              <rom name="egr6.3" size="1048576" crc="f299d818" sha1="abbb333c43675d34c59201b5d297779cfea8b092" region="gfx1" offset="400000"/>
              <rom name="egr5.3" size="1048576" crc="ebfca07b" sha1="20465d14b41d99651166f221057737d7b3cc770c" region="gfx1" offset="400001"/>
              <rom name="eu20.bin" size="262144" crc="3760b1db" sha1="70e258a6036f9ce26b354c4df57e0e4d2c871bcb" region="oki1" offset="0"/>
              <rom name="eu21.bin" size="262144" crc="3760b1db" sha1="70e258a6036f9ce26b354c4df57e0e4d2c871bcb" region="oki2" offset="0"/>
              <rom name="eu18.bin" size="262144" crc="3760b1db" sha1="70e258a6036f9ce26b354c4df57e0e4d2c871bcb" region="oki3" offset="0"/>
              <chip type="cpu" tag="maincpu" name="TMS34010" clock="40000000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="oki1" name="OKI6295" clock="2000000"/>
              <chip type="audio" tag="oki2" name="OKI6295" clock="2000000"/>
              <chip type="audio" tag="oki3" name="OKI6295" clock="2000000"/>
              <display tag="screen" type="raster" rotate="0" width="512" height="236" refresh="61.232460" pixclock="11289000" htotal="701" hbend="0" hbstart="512" vtotal="263" vbend="0" vbstart="236" />
              <sound channels="1"/>
              <input players="2" buttons="1" coins="2">
                     <control type="lightgun" minimum="0" maximum="255" sensitivity="70" keydelta="10"/>
              </input>
              <dipswitch name="Coinage" tag="IN0" mask="112">
                     <dipvalue name="8 Coins/1 Credit" value="64"/>
                     <dipvalue name="4 Coins/1 Credit" value="48"/>
                     <dipvalue name="3 Coins/1 Credit" value="32"/>
                     <dipvalue name="2 Coins/1 Credit" value="16"/>
                     <dipvalue name="1 Coin/1 Credit" value="0" default="yes"/>
                     <dipvalue name="1 Coin/2 Credits" value="80"/>
                     <dipvalue name="1 Coin/4 Credits" value="96"/>
                     <dipvalue name="Free Play" value="112"/>
              </dipswitch>
              <dipswitch name="Lives" tag="IN0" mask="768">
                     <dipvalue name="3" value="0"/>
                     <dipvalue name="4" value="256"/>
                     <dipvalue name="5" value="512"/>
                     <dipvalue name="6" value="768" default="yes"/>
              </dipswitch>
              <dipswitch name="Difficulty" tag="IN0" mask="3072">
                     <dipvalue name="Very Easy" value="3072"/>
                     <dipvalue name="Easy" value="1024"/>
                     <dipvalue name="Medium" value="2048" default="yes"/>
                     <dipvalue name="Hard" value="0"/>
              </dipswitch>
              <dipswitch name="Slot Machine" tag="IN0" mask="4096">
                     <dipvalue name="Off" value="0"/>
                     <dipvalue name="On" value="4096" default="yes"/>
              </dipswitch>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="unsupported" palettesize="32768"/>
       </game>
 
 


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