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mtwins: MAME ROM Information.


Mega Twins (c) 1990 Capcom.

A platform game.


Capcom Play System hardware (CPS)

Game ID : CP-S No. 10

Main CPU : 68000 (@ 10 Mhz)

Sound CPU : Z80 (@ 3.579545 Mhz)

Sound Chips : YM2151 (@ 3.579545 Mhz), OKI6295 (@ 7.576 Khz)

Players : 2

Control : 8-way joystick

Buttons : 3

=> [1] Attack, [2] Jump, [3] Bomb


Released in June 1990.

These American and European versions are censored: the kidnapped bikini girls in the later levels don't appear. This non-censored game is known in Japan as "Chiki Chiki Boys [CP-S No. 10]".


Game designer : Bully Duck

Directors : Noritaka Funamizu (Poo), Yoshiki Okamoto (Kihaji Okamoto)

Object designers : Manbou, Ikusan Z, Unicorn Mayumi

Scroll designers : Zummy & Ziggy

Hard designer : Kuccan

Programmers : Blbon, Meijin, Yuki Saiko

Spacial thanks : Ozzy, Kame, Satochin, Genie


* Consoles :

Sega Mega Drive (1993, "Chiki Chiki Boys") [Model G-4083]

PC Engine Super CD-ROMĀ² [JP](Jul.1994, "Chiki Chiki Boys") [Model NAPR-1033]

Sony PSP (2006, "Capcom Classics Collection Remixed")

Sony PlayStation 2 (2006, "Capcom Classics Collection, Volume 2")

Microsoft XBOX (2006, "Capcom Classics Collection, Volume 2")

* Computers :

Atari ST (1991)

Commodore Amiga (1991)

Notes : Ports for the Commodore C64, ZX Spectrum and Amstrad CPC were advertised, but were never published.


Game's rom.

MAME Info:

0.31 [Paul Leaman]


- 0.141u2: Team CPS-1 confirmed B-Board # for clone Chiki Chiki Boys (Japan 900619), added ROMs positions, PALs and some PCB infos.

- 0.126u5: Added A-board PLDs (buf1, ioa1, prg1, rom1 and sou1).

- 0.124u1: Nicola Salmoria fixed CPS1 background color. This fixes Mega Twins explosion during attract.

- 0.63: Changed description to 'Mega Twins (World 900619)' and clone to 'Chiki Chiki Boys (Japan 900619)'. Added 'Game Mode' dipswitch. Changed 'Unknown' to 'Unused' dipswitches.

- 0.35b4: Changed description to 'Mega Twins (World)' and clone to 'Chiki Chiki Boys (Japan)'.

- 0.34b7: Changed description to 'Mega Twins / Chiki Chiki Boys (World)' and clone to 'Mega Twins / Chiki Chiki Boys (Japan)'.

- 0.33b6: Changed description to 'Mega Twins (World)' and clone to 'Chiki Chiki Boys (Japan)'.

- 0.33b3: Marco Cassili added clone 'Chiki Chiki Boys'.

- 0.31: Paul Leaman added Mega Twins (Capcom 1990), preliminary with huge memory requirements.

- 8th November 1997: CaBBe dumped Mega Twins (World 900619).


- Once upon a time a horrible monster came without warning upon an unsuspecting land and decimated everything in its path. The paradise land of Alurea was hit hard. It's people, having known peace for 1000 years, had forgotten the savagery of battle and the land was destroyed. Only the King's twin infant sons survived. Fifteen years later... The elder of the twins, the successor to the throne of Alurea, is preparing to set out on a quest for a legendary stone called "Dragon Blue Eyes". Legend says that if ever the kingdom is in trouble, "The Dragon Blue Eyes" will set all things right. The younger of the twins, brought up by Princess Nana, wishes to join his brother and take revenge for their parents' death.


Other Emulators:

* Calice

* Callus

* FB Alpha

* Kawaks

* Nebula

* Raine

Recommended Games (Platform Extra):



Pac-Land (United Amusements PC Engine)

Son Son

Road Runner

Vs. Super Mario Bros

Super Mario Bros. (PlayChoice-10)

Super Mario Bros. 2 (PlayChoice-10)

Super Mario Bros. 3 (PlayChoice-10)

Super Mario World


Alex Kidd: The Lost Stars


The Goonies (PlayChoice-10)

Vs. The Goonies


Red Robin

Wonder Boy

Wonder Boy in Monster Land

Wonder Boy III - Monster Lair

Chip'n Dale: Rescue Rangers (PlayChoice-10)

Psychic 5

Psycho Soldier


Tricky Doc


Bonze Adventure

Dynamite Dux

Hard Head

Hard Head 2


The NewZealand Story

Fantasy Land

Keith Courage In Alpha Zones

Legend of Hero Tonma

Marvel Land



Blue's Journey

Hammerin' Harry

Liquid Kids

Mega Twins


Yo! Noid (PlayChoice-10)

Caveman Ninja / Joe & Mac

Ninja Clowns


Rockin' Kats (PlayChoice-10)

The Simpsons

Three Wonders - Midnight Wanderers

The Addams Family (Nintendo Super System)


Kid Chameleon (Mega-Tech)


J. J. Squawkers

Magical Cat Adventure

Spin Master / Miracle Adventure

B.C. Kid

Battle Toads


Super Trio

Top Hunter - Roddy & Cathy

Charlie Ninja

Romset: 3394 kb / 18 files / 1.33 zip

MAME XML Output:

       <game name="mtwins" sourcefile="cps1.c">
              <description>Mega Twins (World 900619)</description>
              <rom name="che_30.11f" size="131072" crc="9a2a2db1" sha1="57524e76311afc8ab5d5affa76c85cb1be5a1faf" region="maincpu" offset="0"/>
              <rom name="che_35.11h" size="131072" crc="a7f96b02" sha1="b5fda02e5069f9e1cdafbacf98334510e9af8fcd" region="maincpu" offset="1"/>
              <rom name="che_31.12f" size="131072" crc="bbff8a99" sha1="1f931fad9f43a1494f3b8dbcf910156d5b0bd458" region="maincpu" offset="40000"/>
              <rom name="che_36.12h" size="131072" crc="0fa00c39" sha1="6404d91590c5c521c8fe944a0aa7091e35b664ae" region="maincpu" offset="40001"/>
              <rom name="ck-32m.8h" size="524288" crc="9b70bd41" sha1="28ec37d9d0ace5b9fd212fdc02e0f13dc280c068" region="maincpu" offset="80000"/>
              <rom name="ck-5m.7a" size="524288" crc="4ec75f15" sha1="a4669e3864009b01894406db784116ad5cd2eced" region="gfx" offset="0"/>
              <rom name="ck-7m.9a" size="524288" crc="d85d00d6" sha1="ca6ddcbfbb0f9ad98dc19f09e879fdac5b62d168" region="gfx" offset="2"/>
              <rom name="ck-1m.3a" size="524288" crc="f33ca9d4" sha1="480d90ff16f27777cc7d7de6925ed6378b35dc27" region="gfx" offset="4"/>
              <rom name="ck-3m.5a" size="524288" crc="0ba2047f" sha1="efee13b955c2ded52700025cecbb9fb301098b61" region="gfx" offset="6"/>
              <rom name="ch_09.12b" size="65536" crc="4d4255b7" sha1="81a76b58043af7252a854b7efc4109957ef0e679" region="audiocpu" offset="0"/>
              <rom name="ch_18.11c" size="131072" crc="f909e8de" sha1="2dd5bd4076e7d5ded98b72919f868ea700df2e4f" region="oki" offset="0"/>
              <rom name="ch_19.12c" size="131072" crc="fc158cf7" sha1="294b93d0aea60663ffe96364671552e944a1264b" region="oki" offset="20000"/>
              <rom name="buf1" size="279" crc="eb122de7" sha1="b26b5bfe258e3e184f069719f9fd008d6b8f6b9b" region="aboardplds" offset="0"/>
              <rom name="ioa1" size="279" crc="59c7ee3b" sha1="fbb887c5b4f5cb8df77cec710eaac2985bc482a6" region="aboardplds" offset="0"/>
              <rom name="prg1" size="279" crc="f1129744" sha1="a5300f301c1a08a7da768f0773fa0fe3f683b237" region="aboardplds" offset="0"/>
              <rom name="rom1" size="279" crc="41dc73b9" sha1="7d4c9f1693c821fbf84e32dd6ef62ddf14967845" region="aboardplds" offset="0"/>
              <rom name="sou1" size="279" crc="84f4b2fe" sha1="dcc9e86cc36316fe42eace02d6df75d08bc8bb6d" region="aboardplds" offset="0"/>
              <rom name="ck24b.1a" size="279" status="nodump" region="bboardplds" offset="0"/>
              <rom name="iob1.11e" size="279" crc="3abc0700" sha1="973043aa46ec6d5d1db20dc9d5937005a0f9f6ae" region="bboardplds" offset="0"/>
              <chip type="cpu" tag="maincpu" name="68000" clock="10000000"/>
              <chip type="cpu" tag="audiocpu" name="Z80" clock="3579545"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="2151" name="YM2151" clock="3579545"/>
              <chip type="audio" tag="oki" name="OKI6295" clock="1000000"/>
              <display tag="screen" type="raster" rotate="0" width="384" height="224" refresh="59.610000" />
              <sound channels="1"/>
              <input players="2" buttons="3" coins="2" service="yes">
                     <control type="joy" ways="8"/>
              <dipswitch name="Coin A" tag="DSWA" mask="7">
                     <dipvalue name="4 Coins/1 Credit" value="0"/>
                     <dipvalue name="3 Coins/1 Credit" value="1"/>
                     <dipvalue name="2 Coins/1 Credit" value="2"/>
                     <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/6 Credits" value="3"/>
              <dipswitch name="Coin B" tag="DSWA" mask="56">
                     <dipvalue name="4 Coins/1 Credit" value="0"/>
                     <dipvalue name="3 Coins/1 Credit" value="8"/>
                     <dipvalue name="2 Coins/1 Credit" value="16"/>
                     <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/6 Credits" value="24"/>
              <dipswitch name="Unused" tag="DSWA" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unused" tag="DSWA" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Difficulty" tag="DSWB" mask="7">
                     <dipvalue name="1 (Easiest)" value="7"/>
                     <dipvalue name="2" value="6"/>
                     <dipvalue name="3" value="5"/>
                     <dipvalue name="4 (Normal)" value="4" default="yes"/>
                     <dipvalue name="5" value="3"/>
                     <dipvalue name="6" value="2"/>
                     <dipvalue name="7" value="1"/>
                     <dipvalue name="8 (Hardest)" value="0"/>
              <dipswitch name="Lives" tag="DSWB" mask="56">
                     <dipvalue name="1" value="16"/>
                     <dipvalue name="2" value="24" default="yes"/>
                     <dipvalue name="3" value="8"/>
                     <dipvalue name="4" value="0"/>
              <dipswitch name="Unused" tag="DSWB" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unused" tag="DSWB" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unused" tag="DSWC" mask="1">
                     <dipvalue name="Off" value="1" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unused" tag="DSWC" mask="2">
                     <dipvalue name="Off" value="2" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Free Play" tag="DSWC" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Freeze" tag="DSWC" mask="8">
                     <dipvalue name="Off" value="8" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Flip Screen" tag="DSWC" mask="16">
                     <dipvalue name="Off" value="16" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Demo Sounds" tag="DSWC" mask="32">
                     <dipvalue name="Off" value="32"/>
                     <dipvalue name="On" value="0" default="yes"/>
              <dipswitch name="Allow Continue" tag="DSWC" mask="64">
                     <dipvalue name="No" value="64"/>
                     <dipvalue name="Yes" value="0" default="yes"/>
              <dipswitch name="Game Mode" tag="DSWC" mask="128">
                     <dipvalue name="Game" value="128" default="yes"/>
                     <dipvalue name="Test" value="0"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="3072"/>

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