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Arcade
Arcade
Platform:

Vicious Circle (prototype)

| 1996
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Notes:
Release type:
Units produced: Atari Games
Controls/Input Device: Control(joy8way), Buttons(6)
Number of Players: 2
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MAME folder name: vcircle

Display: raster 360x240 @ 59.92Hz (59.92 pixclock)
Sound: 2 channels

Emulated in MAME via driver cojag.c:
Status: good; Emulation: good
Graphic: good; Sound: good; Color: good
Palette size: 0; Savestate: unsupported

Roms:
hh with 524288kb
sha1:716287e370a4f300b1743103f8031afc82de38ca crc:7276f5f5
hl with 524288kb
sha1:f291989f1f0ef228757f1990fb14da5ff8f3cf8d crc:146060a1
lh with 524288kb
sha1:4332b3036e9cb12685e914d085d9a63aa856f0be crc:be4b2ef6
ll with 524288kb
sha1:0322e0e37d814a38d08ba191b1a97fb1a55fe461 crc:ba8753eb
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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Mars Matrix: Hyper Solid Shooting


Romset: 2016 kb / 8 files / 457.8 zip


Credits Mameinfo and Mametesters Project Robert J. Rabgno et al.
History.dat entry:
Vicious Circle (c) 1996 Atari Games Corporation.

9 characters bearing a Killer Instinct-esque look go head-to-head in this Atari fighting game.

- TECHNICAL -

Atari Cojag hardware

Main CPU : R3000 (@ 33 Mhz), Jaguar (@ 26 Mhz)
Sound CPU : Jaguar (@ 26 Mhz)
Sound Chips : (2x) DAC

Players : 2
Control : 8-way joystick
Buttons : 6

- TRIVIA -

Vicious Circle is an unreleased prototype dated March 1996.

- STAFF -

Engineer: Brian McKee

- CONTRIBUTE -

Edit this entry: http://www.arcade-history.com/?&page=detail&id=3063&o=2


Licensed from Alexis Bousiges under a CC Attribution 3.0 License
cheat.dat entry:
00000000 120005C5 00000012 FFFFFFFF Infinite Credits
00300000 1200523C 00000000 FFFFFFFF Infinite Time
00300001 1200523C 00000AA0 FFFFFFFF Finish this Round Now!
60000000 00000000 00000000 00000000
00300000 1203DF20 00000200 FFFFFFFF Infinite Energy PL1
00300001 1203DF20 00000000 FFFFFFFF Drain All Energy Now! PL1
62000000 00000000 00000000 00000000 Select Character PL1 Enable on the Select Screen
00010000 120051FF 0000000A FFFFFFFF Dredlock
00010000 120051FF 0000000C FFFFFFFF Waryar
60000000 00000000 00000000 00000000
00300000 1203DFA8 00000200 FFFFFFFF Infinite Energy PL2
00300001 1203DFA8 00000000 FFFFFFFF Drain All Energy Now! PL2
62000000 00000000 00000000 00000000 Select Character PL2
00010000 12005173 0000000A FFFFFFFF Dredlock
00010000 12005173 0000000C FFFFFFFF Waryar

Credit Pugsy's MAME Cheat file
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