[May/16/98]

Road Riot 4WD BY ATARI GAMES 1991


MAIN BOARD
File Name         Type    Board Loc.             Function
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RRIOT.20C	27C010A		20C	GRAPHICS-PLAYFIELD
RRIOT.20D	27C010A		20D	GRAPHICS-PLAYFIELD	
RRIOT.22C	27C010A		22C	GRAPHICS-PLAYFIELD
RRIOT.22D	27C010A		22D	GRAPHICS-PLAYFIELD
RRIOT.22J	27C010A		22J	ALPHANUMERICS
RRIOT.2P	27C010A		2P	GRAPHICS-MOTION OBJECT LOW
RRIOT.2S	27C010A		2S	GRAPHICS-MOTION OBJECT HIGH
RRIOT.3P	27C010A		3P	GRAPHICS-MOTION OBJECT LOW
RRIOT.3S	27C010A		3S	GRAPHICS-MOTION OBJECT HIGH
RRIOT.4P	27C010A		4P	GRAPHICS-MOTION OBJECT LOW
RRIOT.4S	27C010A		4S	GRAPHICS-MOTION OBJECT HIGH
RRIOT.5P	27C010A		5P	GRAPHICS-MOTION OBJECT LOW
RRIOT.5S	27C010A		5S	GRAPHICS-MOTION OBJECT HIGH
RRIOT.6P	27C010A		6P	GRAPHICS-MOTION OBJECT LOW
RRIOT.6S	27C010A		6S	GRAPHICS-MOTION OBJECT HIGH
RRIOT.7P	27C010A		7P	GRAPHICS-MOTION OBJECT LOW
RRIOT.7S	27C010A		7S	GRAPHICS-MOTION OBJECT HIGH
RRIOT.8C	27C010A		8C	PROGRAM ROM 0
RRIOT.8D	27C010A		8D	PROGRAM ROM 0
RRIOT.8P	27C010A		8P	GRAPHICS-MOTION OBJECT LOW
RRIOT.8S	27C010A		8S	GRAPHICS-MOTION OBJECT HIGH
RRIOT.9C	27C010A		9C	PROGRAM ROM 1
RRIOT.9D	27C010A		9D	PROGRAM ROM 1
RRIOT.9P	27C010A		9P	GRAPHICS-MOTION OBJECT LOW
RRIOT.9S	27C010A		9S	GRAPHICS-MOTION	OBJECT HIGH
RRIOT20.21C	27C010A		20/21C	GRAPHICS-PLAYFIELD
RRIOT20.21D	27C010A		20/21D	GRAPHICS-PLAYFIELD

SOUND BOARD
-----------
RRIOTS.12C	27C512		12C 	AUDIO-PROGRAM
RRIOTS.12E	27C010A		12E	AUDIO-ADPCM
RRIOTS.15E	27C010A		15E	AUDIO-ADPCM	
RRIOTS.17E	27C010A		17E	AUDIO-ADPCM
RRIOTS.19E	27C010A		19E	AUDIO-ADPCM

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BOARD INFO
----------

 This is a sit down driving game with monitors and boards in it. The 
units are linked to race against each other.

  The main board is used in other similar games made by atari which 
is in the time frame of 1987-1992, Although this looks more enhanced
 than previous generations. The CPU is a 68000 , and a dedicated  
processor (atari P/N 136079)listed as CPU PLCC and FPLA, but it may be
 a TMS34010P, as found on other similar boards. The board has stacked 
on it, an external sound board (JSA III PCB)which has a YM2151 on it
 controled by a 6502A processor. The two Board are linked though a 
external board (COMM RAM or Common RAM Board. on this board there 
really isn't anything significant except for some 7400 series chips 
with the common ram chip. IC5 - SRAM DP, 2K x 8 , 55ns.

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