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earthjkr: MAME ROM Information.


U.N. Defense Force - Earth Joker (c) 1993 Visco.


Main CPU : 68000 (@ 8 Mhz), Z80 (@ 4 Mhz)

Sound Chips : YM2151 (@ 4 Mhz)

Screen orientation : Vertical

Video resolution : 240 x 320 pixels

Screen refresh : 60.00 Hz

Palette colors : 4096

Players : 2

Control : 8-way joystick

Buttons : 2


Producer : Tetsuo Akiyama

Assistant producer : Keisuke Usami

Director : Don Gabacho (Don Gabacyo)

Programmers : IDEB 77Kg, ON0721-ST, M. Nakajima, AD-26255417J

Character designers : K. Takahashi, T. Takahashi

Music composers : K. Fukumori, Space Creative


Game's rom.

MAME Info:

0.37b9 [David Graves, Brian Troha]


- 0.118u2: Changed description to 'U.N. Defense Force: Earth Joker'. Added 'Copyright' dipswitch.

- 0.106u3: Added 'Bonus Life' dipswitch and changed 'Unknown' to 'Unused' dips.

- 0.90u3: Removed ADPCM sound.

- 0.37b9: David Graves and Brian Troha added U.N. Defense Force: Earth Joker (Japan) (Visco 1993). TODO: Wrong screen size? Left edge of green blueprints in attract looks like it's incorrectly off screen.

- 13th October 2000: David Graves further improved the new Taito drivers' groundwork and fixed sprite / tile priorities in the Asuka & Asuka driver games.

- 12th October 2000: David Graves fixed some missing sounds in Earth Joker.

- 6th October 2000: David Graves sent in a bit improved Taito Z driver with no playable games, but he also sent a driver for another Taito system supporting the following games: Asuka & Asuka, Maze of Flott, Galmedes, U.N. Defense Force: Earth Joker.

- 14th January 1999: AraCorn (aka CaBBe) dumped U.N. Defense Force: Earth Joker.


- A.D. 2026 - The earth feels the onslaught of total takeover from a hostile and powerful enemy. They call themselves Slytow. All the countries of the earth fall before there might. The military is powerless against the Slytow. The few who survive flee out to space to form colonies, based on their former nations. Their dream: To regroup and wrest control of the earth from the Slytow. A.D. 2028 - The colonies have thrived an have regrouped. The earth is not forgotten, as the new United Nations readies the new colonies to their destiny.


Other Emulators:

* FB Alpha

* Raine

Recommended Games (Airforce 3):

Tokio / Scramble Formation

World Wars

Asuka & Asuka

Image Fight


Master of Weapon

Air Duel

Gun & Frontier


Raiden II

Raiden DX

Raiden II / DX

Raiden Fighters

Raiden Fighters 2

Raiden Fighters Jet

Thunder Dragon

Thunder Dragon 2

Turbo Force

Aero Fighters

Aero Fighters 2

Aero Fighters 3

Aero Fighters Special

Grid Seeker

Sand Scorpion

Sky Alert


Zing Zing Zip



Fire Barrel

Mad Shark

U.N. Defense Force: Earth Joker



Bee Storm - DoDonPachi II

DoDonPachi Dai-Ou-Jou

Air Gallet

Battle Garegga

Battle Bakraid

Skull Fang

Storm Blade

Sengeki Striker


Guardian Storm

Stagger I

Change Air Blade

1945k III

Romset: 1984 kb / 8 files / 667.0 zip

MAME XML Output:

       <game name="earthjkr" sourcefile="asuka.c">
              <description>U.N. Defense Force: Earth Joker</description>
              <rom name="ej_3b.rom" size="131072" crc="bdd86fc2" sha1="96578860ed03718f8a68847b367eac6c81b79ca2" region="maincpu" offset="0"/>
              <rom name="ej_3a.rom" size="131072" crc="9c8050c6" sha1="076c882f75787e8120de66ff0dcd2cb820513c45" region="maincpu" offset="1"/>
              <rom name="ej_30e.rom" size="524288" crc="49d1f77f" sha1="f6c9b2fc88b77cc9baa5be48da5c3eb72310e471" region="maincpu" offset="80000"/>
              <rom name="ej_chr.rom" size="524288" crc="ac675297" sha1="2a34e1eae3a4be84dbf709053f5e8a781b1073fc" region="gfx1" offset="0"/>
              <rom name="ej_obj.rom" size="524288" crc="5f21ac47" sha1="45c94ffb53ee9b822b0676f6fb151fed4ce6d967" region="gfx2" offset="0"/>
              <rom name="ej_1.rom" size="65536" crc="cb4891db" sha1="af1112608cdd897ef6028ef617f5ca69d7964861" region="gfx2" offset="80000"/>
              <rom name="ej_0.rom" size="65536" crc="b612086f" sha1="625748fcb698ec57b7b3ce46019cf85de99aaaa1" region="gfx2" offset="80001"/>
              <rom name="ej_2.rom" size="65536" crc="42ba2566" sha1="c437388684b565c7504d6bad6accd73aa000faca" region="audiocpu" offset="0"/>
              <chip type="cpu" tag="maincpu" name="68000" clock="8000000"/>
              <chip type="cpu" tag="audiocpu" name="Z80" clock="4000000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="ymsnd" name="YM2151" clock="4000000"/>
              <display tag="screen" type="raster" rotate="270" width="320" height="240" refresh="60.000000" />
              <sound channels="1"/>
              <input players="2" buttons="2" coins="2" tilt="yes">
                     <control type="joy" ways="8"/>
              <dipswitch name="Unused" tag="DSWA" mask="1">
                     <dipvalue name="Off" value="1" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Flip Screen" tag="DSWA" mask="2">
                     <dipvalue name="Off" value="2" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Service Mode" tag="DSWA" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Demo Sounds" tag="DSWA" mask="8">
                     <dipvalue name="Off" value="0"/>
                     <dipvalue name="On" value="8" default="yes"/>
              <dipswitch name="Coin A" tag="DSWA" mask="48">
                     <dipvalue name="2 Coins/1 Credit" value="16"/>
                     <dipvalue name="1 Coin/1 Credit" value="48" default="yes"/>
                     <dipvalue name="2 Coins/3 Credits" value="0"/>
                     <dipvalue name="1 Coin/2 Credits" value="32"/>
              <dipswitch name="Coin B" tag="DSWA" mask="192">
                     <dipvalue name="2 Coins/1 Credit" value="64"/>
                     <dipvalue name="1 Coin/1 Credit" value="192" default="yes"/>
                     <dipvalue name="2 Coins/3 Credits" value="0"/>
                     <dipvalue name="1 Coin/2 Credits" value="128"/>
              <dipswitch name="Difficulty" tag="DSWB" mask="3">
                     <dipvalue name="Easy" value="2"/>
                     <dipvalue name="Medium" value="3" default="yes"/>
                     <dipvalue name="Hard" value="1"/>
                     <dipvalue name="Hardest" value="0"/>
              <dipswitch name="Bonus Life" tag="DSWB" mask="12">
                     <dipvalue name="100k and 300k" value="0" default="yes"/>
                     <dipvalue name="100k only" value="8"/>
                     <dipvalue name="200k only" value="4"/>
                     <dipvalue name="None" value="12"/>
              <dipswitch name="Lives" tag="DSWB" mask="48">
                     <dipvalue name="1" value="0"/>
                     <dipvalue name="2" value="48" default="yes"/>
                     <dipvalue name="3" value="32"/>
                     <dipvalue name="4" value="16"/>
              <dipswitch name="Copyright" tag="DSWB" mask="64">
                     <dipvalue name="Visco" value="64" default="yes"/>
                     <dipvalue name="Visco (distributed by Romstar)" value="0"/>
              <dipswitch name="Unused" tag="DSWB" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="4096"/>

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