game
icon
title Bio Attack
set name bioatack
manufacturer Taito Corporation (Fox Video Games license)
year 1983
genre Shooter (hof)
category Shooter / Flying Vertical (hof)
driver status good
driver source taitosj.c
snapshots PS: in game | title | gameover / MW: in game / CT: in game | title / EJ: in game
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rating

72.3% after 27 votes
 
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display
colour emulation good
palette 64
display type raster
orientation vertical
resolution 224x256
frequency 60.000000Hz
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sound
sound emulation good
channels mono
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controls
players 2
nplayers 2P alt
controls 8 way joystick
buttons 1
coin slots 3
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hardware
cpu Z80 @ 4MHz
cpu Z80 @ 3MHz
audio AY-3-8910A @ 1.5MHz
audio AY-3-8910A @ 1.5MHz
audio AY-3-8910A @ 1.5MHz
audio AY-3-8910A @ 1.5MHz
audio DAC
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data
version added .034b05
last change(s) none since version .53
roms
name size crc set flags sha1
aa8-01.69  4096  e5abc211  bioatack    bdec8160a99a1869bd004e8177ac075bd52ee3c9 
aa8-02.68  4096  b5bfde00  bioatack    403fa7133d7571b53c19f9175ee844349a43ae4e 
aa8-03.67  4096  e4e46e69  bioatack    6b0de7dbfcc2a56b6c3fce4b94687174002a7217 
aa8-04.66  4096  86e0af8c  bioatack    672de6978a187c2014401090c1d7fd79f7dd7c28 
aa8-05.65  4096  c6248608  bioatack    5536c37e9b6ac290fc8a86ab194d15f63a1d40b5 
aa8-06.64  4096  685a0383  bioatack    abc00554e27cfb9db5c60e7c9127e33d1f4d5a5f 
aa8-07.55  4096  9d58e2b7  bioatack    ed974fdd4e1d69f08eb8214cb91493086f7ae6ed 
aa8-08.54  4096  dec5271f  bioatack    27fc30e1c82ade6a7adda1891b78ca3e44643fd1 
aa8-17.70  4096  36eb95b5  bioatack    ae31aff6cb34ffa8ce8a3574697b89f6d9dd273c 
aa8-09.1  4096  1fee5fd6  bioatack    04de2d285f98275ca5809261d264504f9638d2b0 
aa8-10.2  4096  e0133423  bioatack    50f3aee729dfda34b1025541f1ee59394e4c386d 
aa8-11.3  4096  0f5715c6  bioatack    a6893a86c3f6e9e17eb31381eea36bd17edf1e62 
aa8-12.4  4096  71126dd0  bioatack    9d343bc2294a74df6fc2234e250bf4cdd4970d7c 
aa8-13.5  4096  adcdd2f0  bioatack    b7806e5a8f639795b43553689675861f043ec702 
aa8-14.6  4096  2fe18680  bioatack    b47095fe48572b9354dd80a9dda9dc45842f0369 
aa8-15.7  4096  ff5aad4b  bioatack    9ce15d3e5bfbab84913a6fa0830d438c63a86de7 
aa8-16.8  4096  ceba4036  bioatack    f059ed8482a06c5495c6b3a6e55dbda6b77a894c 
eb16.22  256  b833b5ea  bioatack    d233f1bf8a3e6cd876853ffd721b9b64c61c9047 
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cabinet art
marquee bioatack.png
PCB bioatack.png
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additional information
info 0.34b5 [Thierry Lescot]

WIP:
  • 0.96: Peter Sealy fixed collision detection in Bio Attack and added missing RAM to the Taito SJ memory map.
  • 0.36b1: Zsolt Vasvari added sprite-sprite collision detection and other improvements in the Taito SJ games. This fixes Bio-Attack.
  • 0.34b5: Thierry Lescot added Bio Attack (Taito 1983 (Fox Video Games license)). No collision detection.
LEVELS: 6 (endless)

Recommended Games:
Romset: 69 kb / 18 files / 34.4 zip
history Bio-Attack (c) 1983 Taito.


A vertically scrolling shoot'em up.


- TECHNICAL -


Taito SJ System hardware

Prom Stickers : AA8-04..17


Main CPU : Z80 (@ 4 Mhz)

Sound CPU : Z80 (@ 3 Mhz)

Sound Chips : (4x) AY8910 (@ 1.5 Mhz), DAC (@ 1.5 Mhz)


Screen orientation : Vertical

Video resolution : 224 x 256 pixels

Screen refresh : 60.00 Hz

Palette Colors : 64


Players : 2

Control : 8-way joystick

Buttons : 1


- TRIVIA -


Licensed by Fox Video Games.


- SOURCES -


Game's rom.



Edit this entry at Arcade-History.com: http://www.arcade-history.com/?n=bio-attack&page=detail&id=250&o=2
resource links view in MAWS
view in CAESAR
view high score and replay at MARP
view in Progetto EMMA (Italian)
view in arcade-history.com
view in GameFAQs
view in KLOV
view in System16
view in VGMuseum Gamepics
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cheats
cheats
code comments
00000000:8044:00000003:FFFFFFFF  Infinite Lives
000000A2:8023:0000000D:FFFFFFFF  Infinite Oxygen
000100A2:8024:0000000B:FFFFFFFF  Infinite Oxygen (2/2)
20800000:0AB4:00000018:FFFFFFFF  Invincibility:Enable to disable a scenery. See the Dip Switch Menu to enable an alternate Invincibility cheat.
20810000:0C6B:00000000:FFFFFFFF  Invincibility (2/7):1st = Scenery (Odd Area), 2nd = Object (Odd Area)
20810000:0F97:00000000:FFFFFFFF  Invincibility (3/7):Enemy (Odd Area)
20810000:45DD:000000DF:FFFFFFFF  Invincibility (4/7):Enemy (Area 2)
20810000:510C:00000000:FFFFFFFF  Invincibility (5/7):Enemy (Area 4)
20810000:54F1:00000000:FFFFFFFF  Invincibility (6/7):Scenery (Even Area)
20810000:60F2:00000000:FFFFFFFF  Invincibility (7/7):Enemy (Area 6)
00000000:8609:00000000:FFFFFFFF  Rapid Fire
00010000:8116:00000000:FFFFFFFF  Rapid Fire (2/2):1st = Even Area, 2nd = Odd Area
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