Memory Map
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adresshexaddressNAMEdescriptionOS
0,1$0000,$0001LINZBS both
2,3$0002,$0003CASINI both
4,5$0004,$0005RAMLO both
6$0006TRAMSZ both
7$0007TSTDAT 
8$0008WARMST 
9$0009BOOT? 
10,11$000A,$000BDOSVEC 
12,13$000C,$000DDOSINI
14,15$000E,$000FAPPMHI
16$0010POKMSK 
17$0011BRKKEY
18,19,20$0012,$0013,$0014RTCLOK 
21,22$0015,$0016BUFADR 
23$0017ICCOMT 
24,25$0018,$0019DSKFMS 
26,27$001A,$001BDSKUTL
28$001CPTIMOT 
29$001DPBPNT
30$001EPBUFSZT
31$001FPTEMP
32$0020ICHIDZ
33$0021PTIMOT
34$0022PTIMOT
35$0023PTIMOT
36,37$0024,$0025ICBALZ,ICBAHZ
38,39$0026,$0027ICPTLZ,ICPTHZ
40,41$0028,$0029ICBLLZ,ICBLHZ
42$002AICAX1Z
43$002BICAX2Z
44,45$002C,$002DICAX3Z,ICAX4Z
46$002EICAX5Z
47$002FICAX6Z
48$0030STATUS
49$0031CHKSUM
50,51$0032,$0033BUFRLO,BUFRHI
52,53$0034,$0035BFENLO,BFENHI
54$0036CRETRY
55$0037DRETRY
56$0038BUFRFL
57$0039RECVDN
    
704$02C0PCOLR0Color of Player 0 and Missile 0 both
705 $02C1 PCOLR1 Color of Player 1 and Missile 1 both
706 $02C2 PCOLR2 Color of Player 3 and Missile 2 both
707 $02C3 PCOLR3 Color of Player 3 and Missile 3 both
708 $02C4 COLOR0 Color Register 0 both
709 $02C5 COLOR1 Color Register 1 both
710 $02C6 COLOR2 Color Register 2 both
711 $02C7 COLOR3 Color Register 3 both
712 $02C8 COLOR4 Color Register 4 both
732 $02FC HELPFG both
736,737 $02E0,$02E1 RUNAD both
762$02FACHAR both
763$02FBATACHR both
764$02FCCH both
765$02FDFILDAT both
766$02FEDSPFLG both
767$02FFSSFLAG both
Page 3
768$0300FDDEVIC both
769$0301DUNIT both
770$0302DCOMND both
771$0303DSTATS both
772,773$0304,$0305DBUFLO,DBUFHI both
774$0306DTIMLO both
775$0307DUNUSE both
776,777$0308,$0309DBYTLO,DBYTHI both
778,779$030A,$030BDAUX1,DAUX2 both
780,781$030C,$030DTIMER1 both
782$0D30EADDCOR both
783$030FCASFLG both
784,785$0310,$0311TIMER2 both
786,787$0312,$0313TEMP1 both
788$0314TEMP2 both
789$0315TEMP3 both
790$0316SAVIO both
791$0317TIMFLG both
792$0318STACKP both
793$0319TSTAT both
794-831$031A-$033FHATABS38 Bytes Handler Address Tableboth
832-847$0340-$034FIOCB0 both
848-863$0350-$035FIOCB1 both
864-879$0360-$036FIOCB2 both
880-895$0370-$037FIOCB3 both
896-911$0380-$038FIOCB4 both
912-927$0390-$039FIOCB5 both
928-943$03A0-$03AFIOCB6 both
944-959$03B0-$03BFIOCB7 both
960-999$03C0-$03E7PRNBUF both
1000-1020$03E8-$03FC reserved bufferboth
1021-1151$03FD-$047FCASBUF both
     
1536-1791$0600-$06FF Page 6both

GTIA

adresshexaddressNAMEdescriptionOS
53248$D000HPOSP0,M0PF both
53249$D001HPOSP1,M1PF both
53250$D002HPOSP2,M2PF both
53251$D003HPOSP3,M3PF both
53252$D004HPOSM0,P0PF both
53253$D005HPOSM1,P1PF both
53254$D006HPOSM2,P2PF both
53255$D007HPOSM3,P3PF both
53256$D008SIZEP0,M0PL both
53257$D009SIZEP1,M1PL both
53258$D00ASIZEP2,M2PL both
53259$D00BSIZEP3,M3PL both
53260$D00CSIZEM,P0PL both
53261$D00DGRAFP0,P1PL both
53262$D00EGRAFP1,P2PL both
53263$D00FGRAFP2,P3PL both
53264$D010GRAFP3,TRIG0 both
53265$D011GRAFM,TRIG1 both
53266$D012COLPM0,TRIG2 both
53267$D013COLPM1,TRIG3 both
53268$D014COLPM2,PAL both
53269$D015COLPM3 both
53270$D016COLPF0 both
53271$D017COLPF1 both
53272$D018COLPF2 both
53273$D019COLPF3 both
53274$D01ACOLBAK both
53275$D01BVDELAY both
53276$D01CVDELAY both
53277$D01DGRACTL both
53278$D01EHITCLR both
53279$D01FCONSOL both
53280-53503$D020-$D0FF repeats 53248-53279, do not use 
53504-53759$D100-$D1FF unused and unusable

POKEY

adresshexaddressNAMEdescriptionOS
53760$D200AUDF1,POT0