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Arcade
Arcade
Platform:

Bonanza Bros

| 1990
Genre:
Style:
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Description:

Notes:
Release type:
Units produced: Sega
Controls/Input Device: Control(joy8way), Buttons(4)
Number of Players: 2
Rating:
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SoundMix: Stereo
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MAME folder name: bnzabros

Display: raster 496x384 @ 57.52Hz (57.52 pixclock)
Sound: 2 channels

Emulated in MAME via driver segas24.c:
Status: good; Emulation: good
Graphic: good; Sound: good; Color: good
Palette size: 16384; Savestate: unsupported

Roms:
ds3-5000-07d.img with 1843200kb
sha1:5f92efb2e1135c1f3eeca38ba5789739a22dbd11 crc:ea7a3302
epr-12186.ic1 with 131072kb
sha1:0ede61f0700f9161285c768fa97636f0e42b96f8 crc:ce76319d
epr-12187.ic2 with 131072kb
sha1:4b3b32df7de85aef9cd77c8a4ffc17e10466b638 crc:e83783f3
mpr-13187-h.1 with 524288kb
sha1:5b1e8646debee2f2ef272ddd3320b0a17192fbbe crc:e3d8c5f7
mpr-13188-h.2 with 524288kb
sha1:7608e71e8ef398ac24dbf851994253bca5ace625 crc:d3802294
mpr-13189.3 with 262144kb
sha1:514b5446303c50aeb1d6d10d0a3f210da2577e16 crc:5ea5a2f3
mpr-13190.4 with 262144kb
sha1:340478bba82069ab745d6d8703e6801411fd2fc4 crc:0b4df388
Mameinfo.dat entry:
0.37b10 [Yochizo]


WIP:

- 0.147u2: hap fixed clone Omega Fighter Special. The game fails to boot or finish post. After showing bad rom errors, the game resets.

- 0.147u1: Fixed maincpu rom loading.

- 0.122u7: Fixed gfx1/2/3/4/5 rom loading.

- 0.89u3: Changed Z80 CPU2 clock speed to 5MHz.

- 0.37b10: Yochizo added 'Omega Fighter' (UPL 1989) and clone Omega Fighter Special.

- 21st November 2000: Yochizo fixed some graphics bugs in the Omega Fighter / Atomic Robo-kid driver.

- 8th November 2000: Yochizo sent in a driver for Omega Fighter and Atomic Robo-kid.

- 25th April 1999: Dumped Omega Fighter Special.


LEVELS: 8 (restarts once)


Other Emulators:

* FB Alpha

* JFF

* Raine


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Romset: 2016 kb / 8 files / 457.8 zip


Credits Mameinfo and Mametesters Project Robert J. Rabgno et al.
History.dat entry:
Bonanza Bros. (c) 1990 Sega.

Bonanza Bros. is a strategic platform shoot-em-up with one or two players taking on the roles of Robo and Mobo, two cat-burgling brothers who must negotiate scrolling platform-based levels and steal a set number of valuable items, before making their way to the roof to escape in a waiting airship. The location of the items is highlighted on a cut-away map displayed in the middle of the screen and each stage must be completed within a set time limit.

The game's 2D platforms are displayed using forced-perspective 3D, this allows both the players and enemies to move between the front and back of the platforms. The game's enemies have a limited field of vision, making it possible for players to hide from them by ducking into alcoves, stairwells and other background scenery. Players can walk, jump and shoot and enemies can be neutralized either by being shot, or by slamming doors against them. They will only remain stunned for a few seconds, however.

"Bonanza Bros." promotes the use of stealth, with enemies alerted by sounds or by players entering their field of vision. Once alerted, enemies will either hide, call for help or fire at the players. On some stages, hazardous items litter the ground that should either be avoided or jumped over. These include discarded Coke cans, banana skins and garden rakes and if players walk into them, they will slip and fall, creating a noise and alerting nearby guards to their presence. Some guards carry a riot shield and can only be hit when they are walking away from the player. If players get shot too many times, or if they fail to steal all treasure items and reach the escape point within the time limit, the brothers end up in jail and it's game over.

The game has a total of twelve stages, with extra bonus stages appearing after every second level. These bonus rounds take place on a single screen and the aim is to collect treasure items from a number of ledges within a set time limit. Search lights constantly move around the screen and if one touches the player, the bonus round ends. Each bonus screen has alcoves that players can hide in to evade the search lights.

Each of the game's twelve stages is set in a different building. The stages are:
* BANK
* MILLIONAIRE'S MANSION
* CASINO
* MINT
* DEPARTMENT STORE
* GOLD MINE
* JEWELLERY STORE
* LABORATORY
* DELUXE LINER (YACHT)
* ANTIQUE SHOP
* ART MUSEUM
* PYRAMID

- TECHNICAL -

Runs on the Sega "System 24" hardware.

Players: 2
Control: 8-way joystick
Buttons: 3

- TRIVIA -

Bonanza Bros. was released in June 1990.

- UPDATES -

The US version differs from other territories with the addition of the "Winners Don't Use Drugs" screen displayed at the start of a game.

- PORTS -

* Consoles :
Sega Master System [EU] (1990) "Bonanza Bros. [Model 7073]"
Sega Master System [BR] (1991) by Tec Toy
Sega Mega Drive [EU] (1991) "Bonanza Bros. [Model 1124-50]"
Sega Mega Drive [KO] (1991) "Bonanza Bros. [Model GM 4045 JT]" by Samsung
Sega Mega Drive [BR] (1991) by Tec Toy
Sega Genesis [US] (May 16, 1991) "Bonanza Bros. [Model 1124]"
Sega Mega Drive [JP] (May 17, 1991) "Bonanza Bros. [Model G-4046]"
NEC PC-Engine Super CD-ROM² [JP] (July 31, 1992) "Bonanza Bros. [Model NAPR-2028]"
Sony PlayStation 2 [JP] (January 15, 2004) "Sega Ages 2500 Vol. 6 : Bonanza Brothers [Model SLPM-62433]"

* Computers :
Amstrad CPC [EU] (1992)
Atari ST [EU] (1991)
Commodore Amiga [EU] (1991)
Sinclair ZX Spectrum [EU] (1991)
Sharp X68000 [JP] (September 10, 1991)
Commodore C64 [US] [EU] (1992)

- CONTRIBUTE -

Edit this entry: http://www.arcade-history.com/?&page=detail&id=310&o=2


Licensed from Alexis Bousiges under a CC Attribution 3.0 License
cheat.dat entry:
00000000 FF8428 00000018 FFFFFFFF Infinite Credits
00001101 FF8481 0000000C FFFFFFFF Select Starting Stage Enable on the training stage selection screen
00100000 FF849A 00000959 FFFFFFFF Infinite Time
00000000 FF849B 00000099 FFFFFFFF Infinite Time (Bonus Stage)
60000000 000000 00000000 00000000
00000000 F0059A 00000009 FFFFFFFF Infinite Lives PL1
00000000 F01880 00000020 00000020 Invincibility PL1
00010000 F018DB 00000002 FFFFFFFF Invincibility PL1 (2/2)
00000000 FF8409 00000000 00000002 Rapid Fire PL1 Turn it OFF on the name entry screen
60000000 000000 00000000 00000000
00000000 F0061A 00000009 FFFFFFFF Infinite Lives PL2
00000000 F01900 00000020 00000020 Invincibility PL2
00010000 F0195B 00000002 FFFFFFFF Invincibility PL2 (2/2)
00000000 FF840D 00000000 00000002 Rapid Fire PL2 Turn it OFF on the name entry screen

Credit Pugsy's MAME Cheat file
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