[Jul/27/99]

Counter Steer
(c)1985 DATA EAST

CPU   : 6809x2 6502
SOUND : YM2149F

BY00  ; SOUND PRG
BY01  ; SUB PRG
BY02  ; /
BY03  ; OBJ CHR
BY04  ;  |
BY05  ;  |
BY06  ;  |
BY07  ;  |
BY08  ; /
BY09  ; FIX CHR
BY10  ; MAIN PRG
BY11  ;  |
BY12  ; /
BY13  ; BG CHR
BY14  ;  |
BY15  ;  |
BY16  ;  |
BY17  ;  |
BY18  ;  |
BY19  ;  |
BY20  ; /

* I cannot confirm that this game is officially released or not.
* BY03 seems unstable but it works ok
* World's first ROTATE/ZOOM hardware?

----------------------------------------------------------------

[Jan/08/99]


COUNTER STEER (CX-24) 1985 DATA EAST CORPORATION

CONTROL :8BIT DIGITAL INPUT (ex. HANDLE LEFT MAX:11110000 RIGHT MAX:00001111)


̃Q[̓AbvCg̃oCNQ[łAꂽ̂sEEE
VRAMgk]Ă̂́Aꂪ߂āHH


--------UPPER BOARD:DE-0198-0

6809 (MIX CPU)
6502 (SOUND)
YM2149(PSG)

DAC:AMD DAC-08CQ
DECO SSC10 (SSCIO?)
DECO TC15G032AY



BY00:B2  2764

BY01:B15 27128 P ROM 2
BY02:B17 27128 P ROM 1

BY03:D4  27128 SPRITE (̂qnlsǋC..oCgႤAږȂj
BY04:D6  27128
BY05:D7  27128
BY06:D9  27128
BY07:D10 27128
BY08:D12 27128

BY09:D14 2764

BY21:J4  82S129
BY22:J5  82S129
BY23:J6  82S129


-------LOWER BOARD:DE-0199-0

6809 :BACK CPU
DECO VSC30

BY10:A13 27128 P ROM 3
BY11:A14 27128 P ROM 2
BY12:A16 27128 P ROM 1

BY13:J4  27128
BY14:J6  2764
BY15:J7  27128
BY16:J9  2764
BY17:J10 27128
BY18:J12 2764
BY19:J13 27128
BY20:J15 2764

PH-0:E14 PAL10H8

---------------------------
DIP SWITCH :8bit x 1

SW 1,2:COIN 1
SW 3,4:COIN 2
SW 5  :Test
SW 6  :?
SW 7  :Rank ON=HARD
SW 8  :?

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