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bloxeedc: MAME ROM Information.


Bloxeed (c) 1989 Sega.

A puzzle game. Gameplay is quite similar to "Tetris" but with some added twists.


Sega System C hardware

Main CPU : 68000 (@ 8.948862 Mhz)

Sound Chips : YM3438 (@ 7.670453 Mhz), SN76496 (@ 3.579545 Mhz)

Screen orientation : Horizontal

Video resolution : 320 x 224 pixels

Screen refresh : 60.00 Hz

Palette colors : 2048

Players : 2

Control : 8-way joystick

Buttons : 1

Another version runs on the Sega System 18 hardware.


Even if the titlescreen says '1989', the game was released in January 1990 in Japan.

Mark Speath holds the official record for this game with 104,370 points on June 2, 2002.


The US version is slightly different, it has the "Winners Don't Use Drugs" screen.

The Sega System 18 version (released in 1990) has :

* Special effects on the title screen.

* An extra button to rotate counter-clockwise.

* Bug fixes (Level 2's background).


* Consoles :

Sony PlayStation 2 (2006, "Sega Ages 2500 Series Vol.28 : Tetris Collection")


Game's rom.

Machine's picture.

MAME Info:

0.37b9 [David Haywood, Aaron Giles]

0.36b2 [Andrew Prime]

Artwork available


- The Bloxeed (C System) clones uses different hardware and sound.


- 0.143u8: Changed 'Unknown' to 'Unused' dipswitches.

- 0.140u3: Kevin Eshbach updated the PALs that need to be dumped for clone Bloxeed (US, C System).

- 30th September 2007: Mr. Do - Completed Bloxeed bezel, which was on loan.

- 0.102u1: Changed description of clone 'Bloxeed (C System)' to 'Bloxeed (World, C System)'.

- 0.89u1: Thierry Lescot added 317-0139.key to Bloxeed - Game now playable. Changed description to 'Bloxeed (Japan, FD1094 317-0139)'. Fixed rom names. Added dipswitches 'Price Type', 'Demo Sounds', 'Difficulty' and 'High Speed Mode'.

- 24th November 2004: Thierry Lescot - Dumped the cpus from D.D.Crew (Europe, 4 Player), Ryukyu and Bloxeed (system18, japan).

- 0.84u5: Fabrice Arzeno added clone Bloxeed (US, C System).

- 18th March 2004: Charles MacDonald fixed Z80 clock (8.192 Mhz -> 8.00 MHz).

- 0.37b10: Changed Z80 CPU2 clock speed to 8192000 Hz. Replaced YM2151 sound with 2x YM3438 (8MHz) and RF5C68 sound. Added dipswitches 'Coin A/B', '2 Credits to Start', 'Demo Sounds', 'Lives', 'Difficulty' and 'Time Adjust'.

- 0.37b9: David Haywood and Aaron Giles added Bloxeed (Sega 1990) and clone Bloxeed (C System) (Sega / Elorg 1989).

- 17th September 2000: David Haywood fixed some bugs in the Sega C2 driver so that Bloxeed, Borench, Poto Poto, Stack Columns and Zunzunkyou no Yabou now work.

- 0.36b2: Andrew Prime added Bloxeed (Testdriver).

Other Emulators:

* FB Alpha

* Sega System C2

Recommended Games (Tetris):

Vs. Tetris

Tetris (Atari)

Tetris (Sega)

Tetris (Mega-Tech)

Tetris (Mirrorsoft bootleg)

Tetris (System E)

Tetris / Bloxeed (Korean System 16 bootleg)



Tetris (Photon System)

Final Tetris

Hot Blocks - Tetrix II

Magix / Rock

Tetris (D.R. Korea)

Tetris Plus

Tetris Plus 2

Magical Tetris Challenge

Tetris The Grand Master

Tetris the Absolute The Grand Master 2

Sega Tetris

Tetris Kiwamemichi


Block Out


Romset: 712 kb / 9 files / 171.6 zip

MAME XML Output:

       <game name="bloxeedc" sourcefile="segac2.c" cloneof="bloxeed" romof="bloxeed">
              <description>Bloxeed (World, C System)</description>
              <manufacturer>Sega / Elorg</manufacturer>
              <rom name="epr-12908.ic32" size="131072" crc="fc77cb91" sha1="248a462e3858ffdc171af7d806e57deecb5dae50" region="maincpu" offset="0"/>
              <rom name="epr-12907.ic31" size="131072" crc="e5fcbac6" sha1="a1adec5ef5574bff96a3d66619a24a6715097bb9" region="maincpu" offset="1"/>
              <rom name="epr-12993.ic34" size="131072" crc="487bc8fc" sha1="3fb205bf56f35443e993e08b39c1a08c13ca5e3b" region="maincpu" offset="40000"/>
              <rom name="epr-12992.ic33" size="131072" crc="19b0084c" sha1="b3ba0f3d8d39a19aa66edb24885ea21192e22704" region="maincpu" offset="40001"/>
              <chip type="cpu" tag="maincpu" name="68000" clock="8948862"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="ymsnd" name="YM3438" clock="7670453"/>
              <chip type="audio" tag="snsnd" name="SN76496" clock="3579545"/>
              <display tag="megadriv" type="raster" rotate="0" width="256" height="224" refresh="60.000000" />
              <sound channels="1"/>
              <input players="2" buttons="1" coins="2" service="yes">
                     <control type="joy" ways="8"/>
              <dipswitch name="Coin A" tag="COINAGE" mask="15">
                     <dipvalue name="4 Coins/1 Credit" value="7"/>
                     <dipvalue name="3 Coins/1 Credit" value="8"/>
                     <dipvalue name="2 Coins/1 Credit" value="9"/>
                     <dipvalue name="2 Coins/1 Credit, 5/3, 6/4" value="5"/>
                     <dipvalue name="2 Coins/1 Credit, 4/3" value="4"/>
                     <dipvalue name="1 Coin/1 Credit" value="15" default="yes"/>
                     <dipvalue name="1 Coin/1 Credit, 5/6" value="3"/>
                     <dipvalue name="1 Coin/1 Credit, 4/5" value="2"/>
                     <dipvalue name="1 Coin/1 Credit, 2/3" value="1"/>
                     <dipvalue name="2 Coins/3 Credits" value="6"/>
                     <dipvalue name="1 Coin/2 Credits" value="14"/>
                     <dipvalue name="1 Coin/3 Credits" value="13"/>
                     <dipvalue name="1 Coin/4 Credits" value="12"/>
                     <dipvalue name="1 Coin/5 Credits" value="11"/>
                     <dipvalue name="1 Coin/6 Credits" value="10"/>
                     <dipvalue name="Free Play (if Coin B too) or 1/1" value="0"/>
              <dipswitch name="Coin B" tag="COINAGE" mask="240">
                     <dipvalue name="4 Coins/1 Credit" value="112"/>
                     <dipvalue name="3 Coins/1 Credit" value="128"/>
                     <dipvalue name="2 Coins/1 Credit" value="144"/>
                     <dipvalue name="2 Coins/1 Credit, 5/3, 6/4" value="80"/>
                     <dipvalue name="2 Coins/1 Credit, 4/3" value="64"/>
                     <dipvalue name="1 Coin/1 Credit" value="240" default="yes"/>
                     <dipvalue name="1 Coin/1 Credit, 5/6" value="48"/>
                     <dipvalue name="1 Coin/1 Credit, 4/5" value="32"/>
                     <dipvalue name="1 Coin/1 Credit, 2/3" value="16"/>
                     <dipvalue name="2 Coins/3 Credits" value="96"/>
                     <dipvalue name="1 Coin/2 Credits" value="224"/>
                     <dipvalue name="1 Coin/3 Credits" value="208"/>
                     <dipvalue name="1 Coin/4 Credits" value="192"/>
                     <dipvalue name="1 Coin/5 Credits" value="176"/>
                     <dipvalue name="1 Coin/6 Credits" value="160"/>
                     <dipvalue name="Free Play (if Coin A too) or 1/1" value="0"/>
              <dipswitch name="VS Mode Price" tag="DSW" mask="1">
                     <dipvalue name="Same as Ordinary" value="0"/>
                     <dipvalue name="Double as Ordinary" value="1" default="yes"/>
              <dipswitch name="Credits to Start" tag="DSW" mask="2">
                     <dipvalue name="1" value="2" default="yes"/>
                     <dipvalue name="2" value="0"/>
              <dipswitch name="Unused" tag="DSW" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Demo Sounds" tag="DSW" mask="8">
                     <dipvalue name="Off" value="8"/>
                     <dipvalue name="On" value="0" default="yes"/>
              <dipswitch name="Unused" tag="DSW" mask="16">
                     <dipvalue name="Off" value="16" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unused" tag="DSW" mask="32">
                     <dipvalue name="Off" value="32" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unused" tag="DSW" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unused" tag="DSW" 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="unsupported" palettesize="2048"/>

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