Atari 400

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V1
(
ATARI 800 CHECKERS DISPLAY BY C. SHAW 3/31/80
0€100
0(;00
5000
5020
5021
5180
5200
5280
5300
5380
5400
5414
5424
54A4
0850
0860
0370
0880
es90
090fil
0910
9920
0930
0949
0950
096'3
0970
0989
0990
1900
1010
1020
1039
1040
1059
1060
PAGE
PA11 '.,IAR I ABLES
•= PMEl
BOARD •a
T0 •a
••J2
•+1
;CHECKER BOARD <ONLY J2 BLACK SQUARES ARE USED!
;TEMP
FOR MOVING BOARD TO MEM MAP
; PLA'~ER AND MISSILE G<tAPHICS.
;PLAYERS
ARE USED FOR SQUARES, MISSILES FOR LEFT AND RIGHT BORDERS
•=
PMEl+$180
GRM0J
•=
•+$89
;MISSILE GRAPHICS
GRP9
•=
•+$80
;PLAYER 9 GRAPHICS
GRP1
•a
•+$80
; PLAYER 1
GRP2
....
•+$80
J
2
GRP3
•s
•••e0
;
J
;
TlTL
....
•+20
; TOP LINE OF CHARS -- ATASCII MESSAGE
TOPBRD •=
•+16
;TOP BORDER OF BOARD
BRDSP
•=
8+16+•
; BOARD DISPLAY
80TBRD
••
•+16
; BOTTOM BORDER
'