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mp_bio: MAME ROM Information.


Bio-hazard Battle [Mega-Play 06] (c) 1993 Sega.

Bio-Hazard Battle is a horizontally scrolling space shooter. You can choose one of the 4 ships, each one having its own attacks. During the game, you can upgrade your ships' weapons by collecting colored balls floating around. You can store up to 3 different weapons at the same time, executing attacks in different directions.


Sega Mega Play hardware

Main CPU : 68000 (@ 7.670442 Mhz), (2x) Z80 (@ 3.57954 Mhz)

Sound Chips : YM3438 (@ 7.670442 Mhz), (2x) SN76496 (@ 3.57954 Mhz)

Screen orientation : Horizontal

Video resolution : 320 x 224 pixels

Screen refresh : 60.00 Hz

Palette colors : 96

Players : 2

Control : 8-way Joystick

Buttons : 3


This game is known in Japan as 'Crying - A Seimei Sensou' (translates from Japanese as 'Crying - A Life of War').

Official Sega Mega-Play releases list :

[Mega-Play 01] Sonic The Hedgehog

[Mega-Play 02] Golden Axe II

[Mega-Play 03] Grand Slam - The Tennis Tournament

[Mega-Play 04] Tecmo World Cup

[Mega-Play 05] Streets Of Rage 2

[Mega-Play 06] Bio-Hazard Battle

[Mega-Play 07] Sonic The Hedgehog 2

[Mega-Play 08] ???

[Mega-Play 09] Shinobi III - Return of the Ninja Master

[Mega-Play 10] ???

[Mega-Play 11] Mazin Wars

[Mega-Play ??] Columns III - Revenge of Columns

[Mega-Play ??] Gunstar Heroes


* Consoles :

Nintendo Wii (2007, "Virtual Console")


Game's rom.

MAME Info:

0.95 [Guru]


- Start button doesn't work when you try to continue. LastNinja2 (ID 00535)


- 0.95u1: Changed 'Time' and 'Level' dipswitches to 'Lives' and 'Difficulty'.

- 0.95: Guru added Bio-hazard Battle (Mega Play) (Sega 1993).

- 27th March 2005: Guru - Nothing spectacular to report, I've just dumped the Sega MegaPlay carts: Bio Hazard Battle and Streets of Rage 2.

Recommended Games (Maze Bugs):


Atari Arcade Classics (Super Centipede)


4 Fun in 1 (Galactic Convoy)

Boxing Bugs

Frog & Spiders

Lady Bug

War of the Bugs

The Amazing Adventures of Mr. F. Lea



Black Widow



Funky Bee






Exed Exes




Insector X

Povar / Sobrat' Buran / Agroprom (Pssst)

Bio-hazard Battle (Mega Play)

Critter Crusher


Ripper Ribbit

Hammer (Mosquito, Cockrouch and Fly)

Hae Hae Ka Ka Ka

Mushiking The King Of Beetle 2K3 2nd

Bugs Fever

Romset: 1056 kb / 2 files / 546.7 zip

MAME XML Output:

       <game name="mp_bio" sourcefile="megaplay.c" romof="megaplay">
              <description>Bio-hazard Battle (Mega Play)</description>
              <biosset name="ver1" description="Megaplay Bios (Ver. 1)" default="yes"/>
              <biosset name="ver2" description="Megaplay Bios (Ver. 2)"/>
              <rom name="ep15294.ic2" merge="ep15294.ic2" bios="ver1" size="131072" crc="aa8dc2d8" sha1="96771ad7b79dc9c83a1594243250d65052d23176" region="mtbios" offset="0"/>
              <rom name="epr-a15294.ic2" merge="epr-a15294.ic2" bios="ver2" size="131072" crc="f97c68aa" sha1="bcabc879950bca1ced11c550a484e697ec5706b2" region="mtbios" offset="0"/>
              <rom name="mpr-15699-f.ic1" size="1048576" crc="4b193229" sha1="f8629171ae9b4792f142f6957547d886e5cc6817" region="maincpu" offset="0"/>
              <rom name="epr-15175-06.ic2" size="32768" crc="1ef64e41" sha1="13984b714b014ea41963b70de74a5358ed223bc5" region="user1" offset="0"/>
              <chip type="cpu" tag="maincpu" name="68000" clock="7670453"/>
              <chip type="cpu" tag="genesis_snd_z80" name="Z80" clock="3579545"/>
              <chip type="cpu" tag="mtbios" name="Z80" clock="3579540"/>
              <chip type="audio" tag="lspeaker" name="Speaker"/>
              <chip type="audio" tag="rspeaker" name="Speaker"/>
              <chip type="audio" tag="ymsnd" name="YM2612" clock="7670453"/>
              <chip type="audio" tag="snsnd" name="SEGA VDP PSG" clock="3579545"/>
              <chip type="audio" tag="sn2" name="SN76496" clock="3579540"/>
              <display tag="megadriv" type="raster" rotate="0" width="256" height="224" refresh="60.000000" />
              <sound channels="2"/>
              <input players="2" buttons="4" coins="2" service="yes">
                     <control type="joy" ways="8"/>
              <dipswitch name="Coin slot 1" tag="DSW0" 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 coins/3 credits - 6 coins/4 credits" value="5"/>
                     <dipvalue name="2 coins/1 credit - 4 coins/3 credits" value="4"/>
                     <dipvalue name="1 Coin/1 Credit" value="15" default="yes"/>
                     <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="1 coin/1 credit - 5 coins/6 credits" value="3"/>
                     <dipvalue name="1 coin/1 credit - 4 coins/5 credits" value="2"/>
                     <dipvalue name="1 coin/1 credit - 2 coins/3 credits" value="1"/>
                     <dipvalue name="Free Play" value="0"/>
              <dipswitch name="Coin slot 2" tag="DSW0" 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 coins/3 credits - 6 coins/4 credits" value="80"/>
                     <dipvalue name="2 coins/1 credit - 4 coins/3 credits" value="64"/>
                     <dipvalue name="1 Coin/1 Credit" value="240" default="yes"/>
                     <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="1 coin/1 credit - 5 coins/6 credits" value="48"/>
                     <dipvalue name="1 coin/1 credit - 4 coins/5 credits" value="32"/>
                     <dipvalue name="1 coin/1 credit - 2 coins/3 credits" value="16"/>
                     <dipvalue name=" 1 coin/1 credit" value="0"/>
              <dipswitch name="Lives" tag="DSW1" mask="3">
                     <dipvalue name="5" value="0"/>
                     <dipvalue name="4" value="1"/>
                     <dipvalue name="2" value="2"/>
                     <dipvalue name="3" value="3" default="yes"/>
              <dipswitch name="Difficulty" tag="DSW1" mask="12">
                     <dipvalue name="Hardest" value="0"/>
                     <dipvalue name="Hard" value="4"/>
                     <dipvalue name="Easy" value="8"/>
                     <dipvalue name="Normal" value="12" default="yes"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="unsupported" palettesize="512"/>

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