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drktnjr: MAME ROM Information.


Drakton (c) 1985 Epos.

A maze / shoot'em up game.


Main CPU : Z80 (@ 3.072 Mhz)

Sound CPU : I8035 (@ 400 Khz)

Sound Chips : DAC

Screen orientation : Vertical

Video resolution : 224 x 256 pixels

Screen refresh : 60.00 Hz

Palette colors : 256

Players : 2

Control : 4-way joystick

Buttons : 1


Game's rom.

MAME Info:

0.86u1 [Pierpaolo Prazzoli]

0.74u2 [?]

0.72 [?]


- 0.133u5: Removed 2nd Discrete sound in Drakton.

- 0.133u4: Added 2nd Discrete sound to Drakton.

- 0.127u2: Replaced I8035 CPU2 with MB8884.

- 0.122u2: Replaced DAC/Samples sound with Discrete in clone Drakton (DKJr conversion).

- 0.122: Couriersud added clone Drakton (DKJr conversion). Changed description to 'Drakton (DK conversion)'. Removed cpu2 rom 2716.3h1, only used in the DKJr conversion.

- 0.121u3: Couriersud fixed sound for Drakton. Replaced DAC sound with Discrete.

- 0.116u3: Changed VSync to 60.606061 Hz.

- 0.86u5: Dave Widel fixed Drakton dipswitches. Added 'Difficulty' dipswitch.

- 0.86u1: Pierpaolo Prazzoli fixed Drakton - Game now playable. Removed Donkey Kong samples and added 'Demo Sounds' dipswitch.

- 24th August 2004: Pierpaolo Prazzoli - Drakton now fully playable.

- 23rd August 2004: Pierpaolo Prazzoli - Working on Drakton. Still missing 1 encryption key.

- 0.86: Added missing cpu1 roms ($0, 2000) and cpu2 rom ($0).

- 0.74u2: Added Drakton (Epos 1984).

- 0.72: Added Drakton (Testdriver).


- The nuclear-powered intruder base has invaded the galaxy, infesting all sectors with intruders and radioactive fallaut. Intruders who contact the fallout debris will be transformed into atomic mutants, who have unique powers.

- Your mission: Pilot the Drakton fighter throughout the sectors, blasting all enemies with plasma torpedoes. Don't delay, or the unstable fallout will change into even deadlier meta-fallout.

- Destruction of the intruder base will allow you to continue your mission in the next galaxy.

Recommended Games (Maze 3):


Solar Fox

Space Bugger

Space Dungeon

The Electric Yo-Yo


Ten Spot (Survivor)


Net Wars



Zeroize (DECO Cassette)




Speed Ball (prototype)


Power Surge

Romset: 31 kb / 12 files / 16.8 zip

MAME XML Output:

       <game name="drktnjr" sourcefile="dkong.c" cloneof="drakton" romof="drakton">
              <description>Drakton (DKJr conversion)</description>
              <manufacturer>Epos Corporation</manufacturer>
              <rom name="2764.u2" merge="2764.u2" size="8192" crc="d9a33205" sha1="06dc96412e7162fd8a4f6ef4d14d1510c06b1d00" region="maincpu" offset="0"/>
              <rom name="2764.u3" merge="2764.u3" size="8192" crc="69583a35" sha1="061271be4e9ddfd8dff4217f1434215ad35ba505" region="maincpu" offset="2000"/>
              <rom name="2716.3h1" size="2048" crc="2a6ec016" sha1="c95e185a39c8029f00798ce0a00759a4deb45677" region="soundcpu" offset="0"/>
              <rom name="2716.3n" merge="2716.3n" size="2048" crc="ea0e7f9a" sha1="a8e2b43e15281d45e414eaae98e5248bad79c41b" region="gfx1" offset="0"/>
              <rom name="2716.3p" merge="2716.3p" size="2048" crc="46f51b68" sha1="7d1c3a61cdd0ad471cb0064c0cbaf758325fc267" region="gfx1" offset="800"/>
              <rom name="2716.7c" merge="2716.7c" size="2048" crc="2925dc2d" sha1="721748031714ba488191eb074643093c906e8ce2" region="gfx2" offset="0"/>
              <rom name="2716.7d" merge="2716.7d" size="2048" crc="bdf6b1b4" sha1="ea9076a2bba909bfae8a10a92d857e8f0644fc8b" region="gfx2" offset="800"/>
              <rom name="2716.7e" merge="2716.7e" size="2048" crc="4d62e62f" sha1="01e757110edcb24600a27b1505f54e3bd04b9e58" region="gfx2" offset="1000"/>
              <rom name="2716.7f" merge="2716.7f" size="2048" crc="81d200e5" sha1="5eb74f319756ba3fbc6d0d918799337f911e9419" region="gfx2" offset="1800"/>
              <rom name="82s126.2e" merge="82s126.2e" size="256" crc="3ff45f76" sha1="4068b5568f9e22e54f0df8a9e02bfed0bfb00db7" region="proms" offset="0"/>
              <rom name="82s126.2f" merge="82s126.2f" size="256" crc="38f905be" sha1="a963aea9a92ac95850c90c43085376cb4e06696b" region="proms" offset="100"/>
              <rom name="82s126.2n" merge="82s126.2n" size="256" crc="3c343b9b" sha1="f84f5fddcccc8499a2511877f5d706b37ddc7db8" region="proms" offset="200"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="3072000"/>
              <chip type="cpu" tag="soundcpu" name="MB8884" clock="6000000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="discrete" name="DISCRETE"/>
              <display tag="screen" type="raster" rotate="90" width="256" height="224" refresh="60.606061" pixclock="6144000" htotal="384" hbend="0" hbstart="256" vtotal="264" vbend="16" vbstart="240" />
              <sound channels="1"/>
              <input players="2" buttons="1" coins="1" service="yes">
                     <control type="joy" ways="4"/>
              <dipswitch name="Demo Sounds" tag="DSW0" mask="1">
                     <dipvalue name="Off" value="0"/>
                     <dipvalue name="On" value="1" default="yes"/>
              <dipswitch name="Lives" tag="DSW0" mask="6">
                     <dipvalue name="3" value="0"/>
                     <dipvalue name="4" value="2"/>
                     <dipvalue name="5" value="4" default="yes"/>
                     <dipvalue name="6" value="6"/>
              <dipswitch name="Difficulty" tag="DSW0" mask="8">
                     <dipvalue name="Easy" value="0"/>
                     <dipvalue name="Normal" value="8" default="yes"/>
              <dipswitch name="Bonus Life" tag="DSW0" mask="112">
                     <dipvalue name="10000" value="0"/>
                     <dipvalue name="20000" value="16" default="yes"/>
                     <dipvalue name="30000" value="32"/>
                     <dipvalue name="40000" value="48"/>
                     <dipvalue name="50000" value="64"/>
                     <dipvalue name="60000" value="80"/>
                     <dipvalue name="70000" value="96"/>
                     <dipvalue name="80000" value="112"/>
              <dipswitch name="Cabinet" tag="DSW0" mask="128">
                     <dipvalue name="Upright" value="0" default="yes"/>
                     <dipvalue name="Cocktail" value="128"/>
              <configuration name="Video Hardware" tag="VIDHW" mask="1">
                     <confsetting name="TKG-02 (Radarscope Conversion)" value="0"/>
                     <confsetting name="TKG-04 (Two board set)" value="1" default="yes"/>
              <adjuster name="VR2 - DAC Volume" default="90"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="521"/>

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