game
icon
title Operation Bear (bootleg of Operation Wolf)
set name opwolfb
manufacturer [Taito] (Bear Corporation Korea bootleg)
year 1987
genre Shooter (hof)
category Shooter / Gun (hof)
driver status imperfect
driver source opwolf.c
snapshots MW: in game | parent / CT: in game | title | parent / Mr. Do: parent / PS: in game | title | scores | parent
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rating

58.5% after 15 votes
 
parent Operation Wolf (World, set 1)
other clones Operation Wolf (US)
Operation Wolf (World, set 2)
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display
colour emulation good
palette 8192
display type raster
orientation horizontal
resolution 320x240
frequency 60.000000Hz
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sound
sound emulation imperfect
channels stereo
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controls
players 1
nplayers 1P
controls lightgun
buttons 2
coin slots 2
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hardware
cpu 68000 @ 8MHz
cpu Z80 @ 4MHz
cpu Z80 @ 4MHz
audio YM2151 @ 4MHz
audio MSM5205 @ 0.384MHz
audio MSM5205 @ 0.384MHz
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data
version added .037b11
last change(s) .097u1
roms
name size crc set flags sha1
opwlfb.12  65536  d87e4405  opwolfb    de8a7763acd57293fbbff609e949ecd66c0f9234 
opwlfb.10  65536  9ab6f75c  opwolfb    85310258ca005ffb031e8d6b3f43c3d1fc29ef14 
opwlfb.13  65536  61230c6e  opwolfb    942764aec0c55ba00df8dbb54e127b73e24192ae 
opwlfb.11  65536  342e318d  opwolfb    a52918d16884ca42b2a3b910bc71bfd81b45f1ab 
opwlfb.30  32768  0669b94c  opwolfb    f10894a6fad8ed144a528db696436b58f62ddee4 
opwlfb.09  32768  ab27a3dd  opwolfb    cf589e7a9ccf3e86020b86f917fb91f3d8ba7512 
opwlfb.08  65536  134d294e  opwolfb    bd05169dbd761c2944f0ac51c1ec114577777452 
opwlfb.06  65536  317d0e66  opwolfb    70298c0ef5243f481b18f904be9404527d1d99d5 
opwlfb.07  65536  e1c4095e  opwolfb    d5f1d26d6612e78001002f92de670e68e00c6f9e 
opwlfb.05  65536  fd9e72c8  opwolfb    7a76f57641c3f0198565cd163188b581253173b2 
opwlfb.04  65536  de0ca98d  opwolfb    066e89ec0c64da14bdcd2b337f95c0de5de33c11 
opwlfb.02  65536  6231fdd0  opwolfb    1c830c106cf3c94a8d06ed2fff030a5d516ab6d6 
opwlfb.03  65536  ccf8ba80  opwolfb    8366f5ef0de885e5241567d1a083d98a8a2875d9 
opwlfb.01  65536  0a65f256  opwolfb    4dfcd3cb138a87d002eb65a02f94e33f4d07676d 
opwlfb.14  65536  663786eb  opwolfb    a25710f6c16158e51d0934f184390a01ff0a614a 
opwlfb.15  65536  315b8aa9  opwolfb    4a904e5532421d933e4c401c03c958eb32b15e03 
opwlfb.16  65536  e01099e3  opwolfb    4c5391d71978f72c57c140e58a767e138acdce12 
opwlfb.17  65536  56fbe61d  opwolfb    0e4dce8ee981bdd851e500fa9dca5d40908e142f 
opwlfb.18  65536  de9ab08e  opwolfb    ef674c965f35efaf747f1ddbf9e9164fcceb0c1c 
opwlfb.19  65536  645cf85e  opwolfb    91c244c2e238b61c8b2f39e5fa01cc23ebbfe2ce 
opwlfb.20  65536  d80b9cc6  opwolfb    b189f35eb206da1ab313620e251e6bb10edeee04 
opwlfb.21  65536  97d25157  opwolfb    cfb3f76ed860d90235dc0e32919a5ec3d3e683dd 
opwlfb.29  65536  05a9eac0  opwolfb    26eb1acc65aeb759920b35bcbcac6d6c2789584c 
opwlfb.28  65536  281b2175  opwolfb    3789e58da682041226f70eba87b31876cb206906 
opwlfb.27  65536  441211a6  opwolfb    82e84ae90765df5f7f6b6f32a2bb52ac40132f8d 
opwlfb.26  65536  86d1d42d  opwolfb    9d63e9e35fa51d8e6eac30556ba5a4dca7c14418 
opwlfb.25  65536  85b87f58  opwolfb    f26cf4ab8f9d30d1b1ac84be328ca821524b234e 
opwlfb.24  65536  8efc5d4d  opwolfb    21068d7fcfe293d99ad9f999d84483bf1a49ec6d 
opwlfb.23  65536  a874c703  opwolfb    c9d6074265f5d5028c69c81eaba29fa178943341 
opwlfb.22  65536  9228481f  opwolfb    8160f919f5e6a347c915a2bd7488b488fe2401bc 
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cabinet art
cabinet opwolf.png opwolf.png
marquee opwolfb.png
control panel opwolf.png
flyer opwolf.png
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additional information
info 0.95u3 [Bryan McPhail]

0.37b11 [David Graves, Jarek Burczynski]

TEST MODE:
  • Press F2 + F3 for Test-Mode
WIP:
  • 0.126u4: Changed 68000 CPU1 clock speed to 8MHz.
  • 0.119u1: Stephane Humbert added some notes to Operation Wolf driver.
  • 0.119: David Haywood added clone Operation Wolf (World, set 2). I don't know what this set changes. There is a single byte changed near the end of the roms, just after the copyright strings, however, it is not the region byte. This set came from a 100% legitimate Taito PCB with original labels. It would be easy just to write this off as a bad read / hacked rom but the bootleg version has exactly the same change and the label is different (b20-17 instead of b20-20) so this seems unlikely. Changed description of clone 'Operation Bear' to 'Operation Bear (bootleg of Operation Wolf)'.
  • 0.118u3: Stephane Humbert cleaned up several Taito drivers to use common input port macros. Fixed the dipwitches for all games (a few still remain unknown though) and added many notes. Improved the C-chip emulation for "Operation Wolf" and its clones so it can now handle multiple coinage settings.
  • 0.104u4: Adam Bousley fixed save states in Operation Wolf.
  • 0.98u1: Nicola Salmoria fixed crash in Volfied and Operation Wolf due to improper timer usage.
  • 0.97u1: Bryan McPhail added proper C-chip emulation to Operation Wolf (machineopwolf.c). Added 2nd sound channel. Removed 2nd Z80 CPU and cpu3 rom. Fixed different gun offsets of the World version.
  • 0.95u3: Bryan McPhail added Operation Wolf (World). Renamed (opwolf) to (opwolfu).
  • 0.93u2: Nicola Salmoria fixed sound in Operation Wolf.
  • 0.93: Changed ADPCM sound to MSM5205 (384000 Hz).
  • 30th March 2001: David Graves and Jarek Burczynski fixed a few bugs and added state saving support to Rainbow Islands, Rastan and Operation Wolf.
  • 0.37b13: Changed description of clone Operation Wolf (bootleg) to 'Operation Bear' (bootleg 1987).
- 0.37b11: David Graves and Jarek Burczynski added Operation Wolf (US) (Taito 1987) and clone (bootleg). TODO: There are a few unmapped writes for the sound Z80 in the log. What number should be returned for the c-chip Z80 interrupt? RAINE source has standard Asuka/Mofflot sprite/tile priority: 0x2000 in sprite_ctrl puts all sprites under top bg layer. But RAINE simply kludges in this value, failing to read it from a register. So what is controlling priority.
  • 23rd December 2000: Gerardo Oporto fixed dip switch settings in Operation Wolf / Thunderbolt and the dual screen games.
  • 7th December 2000: David Graves sent in a working Operation Wolf driver done by him and Jarek Burczynski.
  • 11th November 2000: David Graves sent in preliminary Operation Wolf / Operation Thunderbolt drivers, however only Operation Thunderbolt works.
LEVELS: 6

Other Emulators:
  • Raine
Recommended Games (Army Fighter 3):

Operation Wolf

Operation Thunderbolt

Operation Wolf 3

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Area 51

Maximum Force

Area 51 / Maximum Force Duo

Area 51: Site 4

Behind Enemy Lines

Romset: 1856 kb / 8 files / 835 zip
history Operation Bear (c) 1988 Bear Corporation Korea.


- TECHNICAL -


Main CPU : 68000 (@ 12 Mhz), (2x) Z80 (@ 4 Mhz)

Sound Chips : YM2151 (@ 4 Mhz), (2x) MSM5205 (@ 384 Khz)


Screen orientation : Horizontal

Video resolution : 320 x 240 pixels

Screen refresh : 60.00 Hz

Palette Colors : 8192


Players : 1

Control : lightgun

Buttons : 2


- TRIVIA -


This bootleg of "Operation Wolf" proved popular as a game in its own right and even outscored the original in location tests. The reason? The lightgun on Operation Bear was a free roaming replica machine gun on a chain, which could be carried more realistically than the mounted joystick of Operation Wolf.


- SOURCES -


Game's rom.



Edit this entry at Arcade-History.com: http://www.arcade-history.com/?n=operation-bear&page=detail&id=1885&o=2
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cheats
cheats
code comments
00000000:100C59:00000000:FFFFFFFF  Infinite Energy
00000000:100B1F:00000022:FFFFFFFF  Infinite Bullets
00000000:100B21:00000009:FFFFFFFF  Infinite Magazines
00000000:100B23:00000005:FFFFFFFF  Infinite Grenades
00000000:0FF039:00000000:FFFFFFFF  Never have any soldiers to kill
00000000:0FF03D:00000000:FFFFFFFF  Never have any Helicopters to destroy
00000000:0FF03F:00000000:FFFFFFFF  Never have any Tanks to destroy
00000000:0FF041:00000000:FFFFFFFF  Never have any Ships to destroy
00000001:0FF039:00000000:FFFFFFFF  No more soldiers to kill Now!:Effects current level only
00000001:0FF03D:00000000:FFFFFFFF  No more helicopters Now!:Effects current level only
00000001:0FF03F:00000000:FFFFFFFF  No more tanks to destroy Now!:Effects current level only
00000001:0FF041:00000000:FFFFFFFF  No more ships to destroy Now!:Effects current level only
00000001:0FF039:00000000:FFFFFFFF  Finish this Level Now!:In levels 5 & 6, you must rescue at least one hostage before using this cheat
00010001:0FF03D:00000000:FFFFFFFF  Finish this Level Now! (2/4)
00010001:0FF03F:00000000:FFFFFFFF  Finish this Level Now! (3/4)
00010001:0FF041:00000000:FFFFFFFF  Finish this Level Now! (4/4)
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