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changes: MAME ROM Information.


Changes (c) 1982 Orca.

This maze game is quite similar to "Pac-Man". The player controls a caterpillar that crawls along the branches of a maze-like tree eating nuts and strawberries while avoiding deadly bugs and a hungry bird. The caterpillar changes into a butterfly after everything has been eaten.


Main CPU : Z80 (@ 3.072 Mhz)

Sound Chips : AY8910 (@ 1.5 Mhz)

Screen orientation : Horizontal

Video resolution : 256 x 224 pixels

Screen refresh : 60.00 Hz

Palette colors : 256

Players : 2

Control : 8-way joystick


This game is also known as "Looper".


Game's rom.

MAME Info:

0.35b13 [Zsolt Vasvari]


- 0.79: Stefan Jokisch added clone Changes (EME license) (Orca 1982 (Eastern Micro Electronics, Inc. license)).

- 24th January 2004: Stefan Jokisch added an alternate version of Changes to the Marine Boy driver.

- 0.36b8: Added clone Looper.

- 0.36b7: Zsolt Vasvari fixed colors in Changes.

- 0.35b13: Zsolt Vasvari added Changes (Orca 1982).

- 21st May 1999: Zsolt Vasvari sent in a new Orca driver with Marine Boy, Changes and Springer.

Recommended Games (Maze Bugs):


Atari Arcade Classics (Super Centipede)


4 Fun in 1 (Galactic Convoy)

Boxing Bugs

Frog & Spiders

Lady Bug

War of the Bugs

The Amazing Adventures of Mr. F. Lea



Black Widow



Funky Bee






Exed Exes




Insector X

Povar / Sobrat' Buran / Agroprom (Pssst)

Bio-hazard Battle (Mega Play)

Critter Crusher


Ripper Ribbit

Hammer (Mosquito, Cockrouch and Fly)

Hae Hae Ka Ka Ka

Mushiking The King Of Beetle 2K3 2nd

Bugs Fever

Romset: 37 kb / 9 files / 20.3 zip

MAME XML Output:

       <game name="changes" sourcefile="marineb.c">
              <rom name="changes.1" size="4096" crc="56f83813" sha1="8b97e877b1819402703a9e9e641efc0e89b84cca" region="maincpu" offset="0"/>
              <rom name="changes.2" size="4096" crc="0e627f0b" sha1="59012c8f65b921387b381dbc5157a7a22b3d50dc" region="maincpu" offset="1000"/>
              <rom name="changes.3" size="4096" crc="ff8291e9" sha1="c07394cb384259287a6820ce0e513e32c69d768b" region="maincpu" offset="2000"/>
              <rom name="changes.4" size="4096" crc="a8e9aa22" sha1="fbccf017851eb099960ad51ef3060a16bc0107a5" region="maincpu" offset="3000"/>
              <rom name="changes.5" size="4096" crc="f4198e9e" sha1="4a9aea2b38d3bf093d9e97c884a7a9d16c203a46" region="maincpu" offset="4000"/>
              <rom name="changes.7" size="8192" crc="2204194e" sha1="97ee40dd804158e92a2a1034f8e910f1057a7b54" region="gfx1" offset="0"/>
              <rom name="changes.6" size="8192" crc="985c9db4" sha1="d95a8794b96aec9133fd49b7d5724c161c5478bf" region="gfx2" offset="0"/>
              <rom name="changes.1b" size="256" crc="f693c153" sha1="463426b580fa02f00baf2fff9f42d34b52bd6be4" region="proms" offset="0"/>
              <rom name="changes.1c" size="256" crc="f8331705" sha1="cbead7ed85f96219af14b6552301906f32260b69" region="proms" offset="100"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="3072000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="ay1" name="AY-3-8910A" clock="1500000"/>
              <display tag="screen" type="raster" rotate="0" width="256" height="224" refresh="60.000000" />
              <sound channels="1"/>
              <input players="2" coins="1">
                     <control type="joy" ways="8"/>
              <dipswitch name="Lives" tag="DSW" mask="3">
                     <dipvalue name="3" value="0" default="yes"/>
                     <dipvalue name="4" value="1"/>
                     <dipvalue name="5" value="2"/>
                     <dipvalue name="6" value="3"/>
              <dipswitch name="Coinage" tag="DSW" mask="12">
                     <dipvalue name="1 Coin/1 Credit" value="0" default="yes"/>
                     <dipvalue name="Free Play" value="12"/>
              <dipswitch name="1st Bonus Life" tag="DSW" mask="16">
                     <dipvalue name="20000" value="0" default="yes"/>
                     <dipvalue name="40000" value="16"/>
              <dipswitch name="2nd Bonus Life" tag="DSW" mask="32">
                     <dipvalue name="50000" value="0" default="yes"/>
                     <dipvalue name="100000" value="32"/>
              <dipswitch name="Cabinet" tag="DSW" mask="64">
                     <dipvalue name="Upright" value="64" default="yes"/>
                     <dipvalue name="Cocktail" value="0"/>
              <dipswitch name="Unknown" tag="DSW" mask="128">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="128"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="256"/>

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