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DJ Boy (set 1)

  1. Game infos
  2. Parent and Clones
  3. Sound
  4. Driver
  5. Inputs
  6. Controls
  7. Display
  8. Dipswitchs
  9. Roms list
  10. Chips list
  11. Serie
  12. Categories
  13. MAMEinfo
  14. History
  15. High scores
Download djboy.zip (4.13 MB)
Snapshot

Game infos

Description DJ Boy (set 1)
Name djboy
Manufacturer Kaneko (American Sammy license)
Year 1989
Runnable yes
System arcade /
Number of players 2P sim
Added to MAME .074u2
Romset size 4.13 MB
Romset file 15 files
Romset zip 1 B
Language English
Evaluation 70 to 80 (Good)
Genre Fighter

Parent and clones

Parent This game is the parent

Sound infos

Sound_channels 1

Driver infos

Driver status good
Driver emulation good
Driver color good
Driver sound good
Driver graphic good
Driver cocktail
Driver protection
Driver savestate yes

Inputs infos

Input service yes
Input tilt yes
Input players 2
Input buttons
Input coins 2

Controls infos

type ways minimum maximum sensitivity keydelta reverse
joy 8 no

Display infos

type rotate flipx width height refresh pixclock htotal hbend hbstart vtotal vbend vbstart
raster 0 no 256 224 57.5

Dipswitchs

Roms list

console name bios size crc md5 merge sha1 region offset status optional
arcade beast.9s 4096 ebe0f5f3 6081343c9b4510c4c16b71f6340266a1f76170ac beast 0 good no
arcade bs000.1h 524288 be4bf805 a73c564575fe89d26225ca8ec2d98b6ac319ac18 gfx1 0 good no
arcade bs001.1f 524288 fdf36e6b a8762458dfd5201304247c113ceb85e96e33d423 gfx1 80000 good no
arcade bs002.1d 524288 c52fee7f bd33117f7a57899fd4ec0a77413107edd9c44629 gfx1 100000 good no
arcade bs003.1k 524288 ed89acb4 611af362606b73cd2cf501678b463db52dcf69c4 gfx1 180000 good no
arcade bs004.1s 524288 2f1392c3 1bc3030b3612766a02133eef0b4d20013c0495a4 gfx2 0 good no
arcade bs005.1u 524288 46b400c4 35f4823364bbff1fc935994498d462bbd3bc6044 gfx2 80000 good no
arcade bs07.1b 65536 d9b7a220 ba3b528d50650c209c986268bb29b42ff1276eb2 gfx1 1f0000 good no
arcade bs100.4d 131072 081e8af8 3589dab1cf31b109a40370b4db1f31785023e2ed maincpu 28000 good no
arcade bs101.6w 131072 a7c85577 8296b96d5f69f6c730b7ed77fa8c93496b33529c cpu1 18000 good no
arcade bs200.8c 131072 f6c19e51 82193f71122df07cce0a7f057a87b89eb2d587a1 cpu2 0 good no
arcade bs203.5j 262144 805341fb fb94e400e2283aaa806814d5a39d6196457dc822 oki2 0 good no
arcade bs64.4b 131072 b77aacc7 78100d4695738a702f13807526eb1bcac759cce3 maincpu 0 good no
arcade bs65.5y 65536 0f1456eb 62ed48c0d71c1fabbb3f6ada60381f57f692cef8 cpu1 0 good no

Chips list

name tag type clock
I80C51 beast cpu 6000000
OKI6295 oki2 audio 1500000
Speaker mono audio
YM2203 ymsnd audio 3000000
Z80 cpu2 cpu 6000000

Serie

Serie : DJ Boy
  1. DJ Boy (set 1) (1989)
  2. DJ Boy (set 2) (1989)
  3. DJ Boy (Japan) (1989)
  4. DJ Boy (Jpn) (1990)
  5. DJ Boy (Euro) (1991)
  6. B.Rap Boys (World) (1992)
  7. B.Rap Boys Special (Japan) (1992)
  8. B.Rap Boys Special (US) (1992)
  9. D.J. Boy (Rollergames pirate) (19??)

Categories

MAMEinfo

0.74u2 [Phil Stroffolino]

0.70 [Testdriver]


TEST MODE:

- Select 'Service Mode' in the dipswitch menu and press reset. Press P1 Button 3 to advance past color pattern and use Buttons 1, 2 and 3 to select and play sound/music.


NOTE:

- The sequel to DJ Boy is B.Rap Boys (Kaneko 1992).


Bugs:

- Bogus attract mode behaviour. Kale (ID 04113)

- djboyj: The 2nd player can "ghost in" without hitting 2P start and then is impossible to get rid of. Smitdogg (ID 03973)

- [possible] Graphics glitch with the briefcase at the beginning of the 2nd level. Smitdogg (ID 02534)


WIP:

- 0.149: Modernized Kaneko Pandora device [Osso].

- 0.140u1: Angelo Salese removed deprecat.h usage and rewritten irq routines in DJ Boy.

- 0.139: Phil Bennett hooked up Beast MCU and removed simulation code in DJ Boy. Brian Troha added DIP locations and corrected the vsync to 57.5Hz as per the README info listed at the top of the driver.

- 0.138u4: Dr. Decapitator, Tomasz Slanina, Lord Nightmare and Phil Bennett added unverified Beast MCU internal ROM image to DJ Boy. Added I80C51 (6MHz) CPU4.

- 0.135u4: Fabio Priuli added driver data struct and save states to DJ Boy.

- 0.135u3: Fabio Priuli converted Kaneko Pandora sprite chip to be a MAME device and updated drivers accordingly.

- 0.131u2: Angelo Salese converted DJ Boy memory maps to current standards.

- 9th May 2009: Guru - The Kaneko Beast chip found on DJ Boy has been decapped and dumped.

- 0.119u3: David Haywood added clone DJ Boy (set 2). Changed parent description to 'DJ Boy (set 1)'.

- 23rd August 2007: Phil Stroffolino - DJ Boy protection wasn't that bad in retrospect. While reverse engineering the protection was a necessary ingredient to emulating the game, there was also an unrelated memory map but that caused one of the 3 Z80s to behave badly and crash. For some time, I'd assumed that this bad behavior was related to protection - it wasn't until I after I'd disassembled and traced through all protection-related routines and surrounding code that I found and fixed that bug - the remaining pieces fell into place fairly quickly (the new level2 lockup bug not withstanding). Another catalyst was extracting the human readable text from the ROMs - in most games, they are encoded as ASCII, but for DJ-boy the tile indices for A..Z didn't have this mapping, and so weren't viewable as plain-text without an adjustment. Being able to see various bits of text and how/when they are used makes it a lot easier to locate and identify important routines (like coining up, etc).

- 0.117u1: David Haywood fixed some problems in the Pandora emulation which improves the sprites in Djboy.

- 0.117: David Haywood moved "Pandora" sprite chip implementation to its own file. Updated DJ Boy to use ths new generic implementation. Fixed gfx1/2 rom loading.

- 0.116u4: Phil Stroffolino fixed DJ Boy - Game now playable. Updated djboy driver [Phil Stroffolino]: Support for DJ Boy (Japan); same MCU, but ROM banking bits need to be XOR'd. Fixed state handling for game over/win transitions. Fixes for dipswitches. Added coinage support.

- 0.116u3: Updated DJ Boy driver to almost fully playable state [Phil Stroffolino]. Changed clock speed of the 2x OKI6295 to 1.5MHz. Fixed dipswitches.

- 0.105u2: Added clone DJ Boy (Japan).

- 0.104: Phil Stroffolino updated DJ Boy driver with more protection information.

- 17th January 2006: Tomasz Slanina - Actually i'm working on DJ Boy (trojans).

- 12th January 2006: Guru - DJ Boy arrived (a donation from Karasu).

- 14th October 2005: Tomasz Slanina - Just got a DJ Boy PCB for rom redump, hardware analyse and protection break.

- 0.95u6: Sonikos fixed OKI frequency in DJ Boy. Changed clock speed of the 2x OKI6295 to 12121 Hz.

- 0.74u2: Added 'DJ Boy' (Kaneko 1989).

- 0.70: Phil Stroffolino added (Testdriver) DJ Boy. You must manually reset (F3) after booting up to proceed. There's likely an unemulated hardware watchdog. Video hardware and sound should both be mostly correct. There's still some missing protection and/or exotic CPU communication.

- 6th June 2003: Phil Stroffolino sent in some improvements to DJ Boy but it's still not playable because of unemulated protection.

- 8th November 2002: Phil Stroffolino sent in a preliminary driver for DJ Boy, but it doesn't work at all yet.


LEVELS: 5


Other Emulators:

* FB Alpha


Recommended Games (Roller):

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Top Roller

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Mayhem 2002

720 Degrees

DJ Boy

B.Rap Boys

Rollergames

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Top Skater

ROLLing eX.tre.me

Air Trix

Ollie King


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History


Arcade Video game published 30 years ago:

DJ Boy (c) 1989 American Sammy Corp.

Export release. Game developed in Japan. See the original Japanese release version for more information about the game itself.

- TRIVIA -

Released by American Sammy in the USA, under lisence from Kaneko.

The Japanese version featured Japanese musician Demon Kogure as the voice of the disc jockey. This non-Japanese version features American DJ 'Wolfman Jack' (real name : Robert Weston Smith), who died in 1995, as the voice of the disc jockey.

- CONTRIBUTE -

Edit this entry: https://www.arcade-history.com/?&page=detail&id=648&o=2

High scores

MAMESCORE records : 02/04/2017 13:01

animexbox74___________________210.800
majygool______________________164.500
lorddraakh____________________143.800
dark_kariya____________________90.000
hulkiii________________________54.600
nicky634_______________________49.300