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cmissnx: MAME ROM Information.


Mission-X (c) 1982 Data East.


DECO Cassette System hardware

[Cassette No.21]

Main CPU : M6502 (@ 750 Khz), M6502 (@ 500 Khz), I8X41 (@ 500 Khz)

Sound Chips : (2x) AY8910 (@ 1.5 Mhz)

Screen orientation : Vertical

Video resolution : 240 x 240 pixels

Screen refresh : 57.00 Hz

Palette Colors : 32

Players : 2

Control : stick

Buttons : 2


Released in March 1982.


* Consoles :

Mattel Intellivision


Game's rom.

MAME Info:

0.37b13 [Juergen Buchmueller, Al Kossow]

Artwork available


- 0.145u1: Changed description to 'Mission-X (DECO Cassette)'.

- 0.133u1: Added dipswitches 'Type of Tape', 'Lives', 'Bonus Life', 'Difficulty' and 'Country Code'.

- 0.88u2: Changed description to 'Mission-X (Cassette)'.

- 0.37b14: Changed description to 'Cassette: Mission-X'.

- 0.37b13: Juergen Buchmueller added 'Cassette: MissionX' (DECO 1982).

- 9th February 2001: Juergen Buchmueller sent in the first version of the DECO Cassette system driver, supporting Lock 'n Chase, Treasure Island, Super Astro Fighter, Astro Fantasia, Lucky Poker, Pro Golf and Mission X. The rest are either not yet dumped or use protection that has not been cracked yet.

- 8th February 2001: Juergen Buchmueller managed to fix some 8x41 emulation bugs and got a few DECO Cassette system games running: Super Astro Fighter, Pro Golf and Mission X (the last one with wrong colors though). Accurate to the original, the games need 1 - 2 minutes to load from the simulated tape. Also many thanks to Al Kossow for his incredible work on preserving this system that was near extinction.

LEVELS: 5 (endless)

Recommended Games (Airforce 2):

Phantom II


Mission-X (DECO Cassette)




1942 (PlayChoice-10)

1943 - The Battle of Midway

1943 Kai - Midway Kaisen

1944: The Loop Master

19XX: The War Against Destiny

XX Mission

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Fire Shark

Fire Shark (Mega-Tech)


Sonic Boom

Bombs Away

Fighting Hawk

Scramble Spirits

Sky Soldiers


Guts n' Glory (Bombing)

Meta Fox

Sky Adventure

Task Force Harrier

Twin Hawk

Vapor Trail - Hyper Offence Formation

The Last Day

Lightning Fighters

Sky Smasher

Ghost Pilots

Gulf War II

Fighter & Attacker

Blue Hawk

Double Wings

Strikers 1945

Strikers 1945 II

Strikers 1945 III

Strikers 1945 Plus

Spectrum 2000

Fire Hawk

Wyvern Wings

Romset: 34 kb / 2 files / 15.1 zip

MAME XML Output:

       <game name="cmissnx" sourcefile="decocass.c" romof="decocass">
              <description>Mission-X (DECO Cassette)</description>
              <manufacturer>Data East Corporation</manufacturer>
              <rom name="v0b-.7e" merge="v0b-.7e" size="4096" crc="23d929b7" sha1="063f83020ba3d6f43ab8471f95ca919767b93aa4" region="maincpu" offset="f000"/>
              <rom name="v1-.5a" merge="v1-.5a" size="2048" crc="b66b2c2a" sha1="0097f38beb4872e735e560148052e258a26b08fd" region="audiocpu" offset="f800"/>
              <rom name="cassmcu.1c" merge="cassmcu.1c" size="1024" crc="a6df18fd" sha1="1f9ea47e372d31767c936c15852b43df2b0ee8ff" region="mcu" offset="0"/>
              <rom name="v2.3m" merge="v2.3m" size="32" crc="238fdb40" sha1="b88e8fabb82092105c3828154608ea067acbf2e5" region="proms" offset="0"/>
              <rom name="v4.10d" merge="v4.10d" size="32" crc="3b5836b4" sha1="b630bb277d9ec09d46ef26b944014dd6165b35d8" region="proms" offset="20"/>
              <rom name="v3.3j" merge="v3.3j" size="32" crc="51eef657" sha1="eaedce5caf55624ad6ae706aedf82c5717c60f1f" region="proms" offset="40"/>
              <rom name="dp-121_b.dgl" size="2048" crc="8a41c071" sha1="7b16d933707bf21d25dcd11db6a6c28834b11c5b" region="dongle" offset="0"/>
              <rom name="cmissnx.cas" size="32768" crc="3a094e11" sha1="c355fe14838187cbde19a799e5c60083c82615ac" region="cassette" offset="0"/>
              <chip type="cpu" tag="maincpu" name="M6502" clock="750000"/>
              <chip type="cpu" tag="audiocpu" name="M6502" clock="500000"/>
              <chip type="cpu" tag="mcu" name="I8041" clock="6000000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="ay1" name="AY-3-8910A" clock="1500000"/>
              <chip type="audio" tag="ay2" name="AY-3-8910A" clock="1500000"/>
              <display tag="screen" type="raster" rotate="270" width="256" height="240" refresh="57.444853" pixclock="6000000" htotal="384" hbend="0" hbstart="256" vtotal="272" vbend="8" vbstart="248" />
              <sound channels="1"/>
              <input players="2" buttons="2" coins="2">
                     <control type="joy" ways="8"/>
                     <control type="stick" minimum="16" maximum="240" sensitivity="100" keydelta="10"/>
              <dipswitch name="Coin A" tag="DSW1" mask="3">
                     <dipvalue name="2 Coins/1 Credit" value="0"/>
                     <dipvalue name="1 Coin/1 Credit" value="3" default="yes"/>
                     <dipvalue name="1 Coin/2 Credits" value="2"/>
                     <dipvalue name="1 Coin/3 Credits" value="1"/>
              <dipswitch name="Coin B" tag="DSW1" mask="12">
                     <dipvalue name="2 Coins/1 Credit" value="0"/>
                     <dipvalue name="1 Coin/1 Credit" value="12" default="yes"/>
                     <dipvalue name="1 Coin/2 Credits" value="8"/>
                     <dipvalue name="1 Coin/3 Credits" value="4"/>
              <dipswitch name="Type of Tape" tag="DSW1" mask="48">
                     <dipvalue name="MT (Big)" value="0"/>
                     <dipvalue name="invalid?" value="16"/>
                     <dipvalue name="invalid?" value="32"/>
                     <dipvalue name="MD (Small)" value="48" default="yes"/>
              <dipswitch name="Cabinet" tag="DSW1" mask="64">
                     <dipvalue name="Upright" value="0" default="yes"/>
                     <dipvalue name="Cocktail" value="64"/>
              <dipswitch name="Lives" tag="DSW2" mask="1">
                     <dipvalue name="3" value="1" default="yes"/>
                     <dipvalue name="5" value="0"/>
              <dipswitch name="Bonus Life" tag="DSW2" mask="6">
                     <dipvalue name="None" value="0"/>
                     <dipvalue name="5000" value="6" default="yes"/>
                     <dipvalue name="10000" value="4"/>
                     <dipvalue name="15000" value="2"/>
              <dipswitch name="Difficulty" tag="DSW2" mask="24">
                     <dipvalue name="Easy" value="24" default="yes"/>
                     <dipvalue name="Normal" value="16"/>
                     <dipvalue name="Hard" value="8"/>
                     <dipvalue name="Hardest" value="0"/>
              <dipswitch name="Country Code" tag="DSW2" mask="224">
                     <dipvalue name="A" value="224" default="yes"/>
                     <dipvalue name="B" value="192"/>
                     <dipvalue name="C" value="160"/>
                     <dipvalue name="D" value="128"/>
                     <dipvalue name="E" value="96"/>
                     <dipvalue name="F" value="64"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="unsupported" palettesize="56"/>

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