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chainrec: MAME ROM Information.


Chain Reaction (c) 1995 Data East.

Line up 3 or more of the same item to make them disappear.


Main CPU : ARM (@ 28 Mhz)

Sound Chips : OKI6295 (@ 7.627 Khz), OKI6295 (@ 15.255 Khz)

Screen orientation : Horizontal

Video resolution : 320 x 240 pixels

Screen refresh : 58.00 Hz

Palette colors : 4096

Players : 2

Control : 8-way Joystick

Buttons : 3


Released in September 1995.

This game is also known as "Magical Drop".


1. Chain Reaction (1995)

2. Magical Drop Plus ! (1995)

3. Magical Drop II (1996)

4. Magical Drop III (1997)

5. Magical Drop III Wonderful! (1999, Sony PlayStation)

6. Magical Drop F - Daibouken Mo Rakujyanai! (1999, Sony PlayStation)

7. Magical Drop Pocket (1999, NeoGeo Pocket Color)

8. Magical Drop for WonderSwan (1999, Bandai WonderSwan)


Game Design : Tac.H, Masateru Inagaki

Program Staff : Tac.H, Mac, 3.2.1

Character Design : Tsukapon!

Graphic Staff : Masateru Inagaki, Tsukapon!,

Emimin, Tomoyuki Arakawa (Beauty Arakawa),

Shintoku, Hitomin, Asami Kaneko, Mitsuyo Sunada, Shiho Miyoshi

* Character Voice :

Fool & Devil : Eri Tanaka

Star : Mitsuyo Sunada

Priestess & World : Eriko Kodaira

Chariot : Yu Mizuhima

Magician : Tohru Kikuchi

Oversea : Steve Miller

Sound Staff : Maro (Gamadelic)

Hardware Staff : H. Matsumoto

Special Thanks : Syungo Katagiri, Hiroshi Hachiya, Yasushi Kameda, Mayu Sato, Erika Osada, Rie Sakurai, Kumiko Oka

Project Manager : Naomi Susa


Game's rom.

MAME Info:

0.84 [David Haywood]


- magdrop, magdropp: Access Violation. Firewave (ID 02849)


- 0.136: Added eeprom-chainrec.bin EEPROM.

- 0.98u4: David Haywood fixed Chain Reaction and clones - Games now playable. Changed description to 'Chain Reaction (World, Version 2.2, 1995.09.25)' and clones 'Magical Drop' to 'Magical Drop (Japan, Version 1.1, 1995.06.21)' and 'Magical Drop Plus' to 'Magical Drop Plus 1 (Japan, Version 2.1, 1995.09.12)'.

- 0.84: David Haywood added Chain Reaction (Data East 1995) and clones Magical Drop and Magical Drop Plus.

- 3rd November 2002: Guru - Magical Drop +1! (Data East 1995) arrived from Japan. Thanks to WTC.


Other Emulators:

* FB Alpha

Romset: 4865 kb / 9 files / 2.83 zip

MAME XML Output:

       <game name="chainrec" sourcefile="simpl156.c">
              <description>Chain Reaction (World, Version 2.2, 1995.09.25)</description>
              <manufacturer>Data East</manufacturer>
              <rom name="e1" size="524288" crc="8a8340ef" sha1="4aaee56127b73453b862ff2a33dc241eeabf5658" region="maincpu" offset="0"/>
              <rom name="mcc-00" size="1048576" crc="646b03ec" sha1="9a2fc11b1575032b5a784d88c3a90913068d1e69" region="gfx1" offset="0"/>
              <rom name="u3" size="524288" crc="92659721" sha1="b446ce98ec9c2c16375ef00639cfb463b365b8f7" region="gfx2" offset="0"/>
              <rom name="u4" size="524288" crc="e304eb32" sha1="61a647ec89695a6b25ff924bdc6d29cbd7aca82b" region="gfx2" offset="2"/>
              <rom name="u5" size="524288" crc="1b6f01ea" sha1="753fc670707432e317d035b09b0bad0762fea731" region="gfx2" offset="1"/>
              <rom name="u6" size="524288" crc="531a56f2" sha1="89602bb873a3b110bffc216f921ba228e53380f9" region="gfx2" offset="3"/>
              <rom name="mcc-04" size="262144" crc="86ee6ade" sha1="56ad3f432c7f430f19fcba7c89940c63da165906" region="okisfx" offset="0"/>
              <rom name="mcc-03" size="1048576" crc="da2ebba0" sha1="96d31dea4c7226ee1d386b286919fa334388c7a1" region="okimusic" offset="0"/>
              <rom name="eeprom-chainrec.bin" size="128" crc="b6da3fbf" sha1="bdc2bdeabf8686c1454737faf785b0d7501f9bde" region="eeprom" offset="0"/>
              <chip type="cpu" tag="maincpu" name="ARM" clock="28000000"/>
              <chip type="audio" tag="lspeaker" name="Speaker"/>
              <chip type="audio" tag="rspeaker" name="Speaker"/>
              <chip type="audio" tag="okisfx" name="OKI6295" clock="1006875"/>
              <chip type="audio" tag="okimusic" name="OKI6295" clock="2013750"/>
              <display tag="screen" type="raster" rotate="0" width="320" height="240" refresh="58.000000" />
              <sound channels="2"/>
              <input players="2" buttons="3" coins="2" service="yes">
                     <control type="joy" ways="8"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="4096"/>

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