INDEX BY LABEL
This is an index of the labels used to identify the various memory
locations, registers, subroutines, and vectors in the Atari. The
references are to decimal memory locations, not to page numbers. For
an index by subject, see the next index section.

Label           Location                

ADDCOR          782                     
ADRESS          100, 101                
AF1             55878                   
AFP             55296                   
ALLPOT          53768                   
ANTIC           54272-54783           
APPMHI          14, 15                  
ARGOPS          128, 129                
ATACHR          763                     
ATAN            48759                   
ATRACT          77                      
AUDC1           53761                   
AUDC2           53763                   
AUDC3           53765                   
AUDC4           53767                   
AUDCTL          53768                   
AUDF1           53760                   
AUDF2           53762                   
AUDF3           53764                   
AUDF4           53766                   
BFENLO/HI       52, 53                  
BFLAG           1792                    
BITMSK          110                     
BIWTARR         1796, 1797              
BLDADR          1794, 1795              
BLDISP          1809                    
BLIM            650                     
BLKBDV          58481                   
BOOT            62159                   
BOOT?           9                       
BOOTAD          578, 579                
BOTSCR          703                     
BPTR            61                      
BRCNT           1793                    
BRKKEY          17                      
BRKKY           566, 567                
BRUN            10060                   
BSIO            1900                    
BSIOR           1906                    
BUFADR          21,22                   
BUFCNT          107                     
BUFRFL          56                      
BUFRLO/HI       50, 51                  
BUFSTR          108, 109                
CART A          40960-49151           
CART B          32768-40959           
CARTRIDGES      32768-49151           
CASBUF          1021-1151              
CASENT          60292                   
CASETV          58432                   
CASFLG          783                     
CASINI          2, 3                    
CASORG          61249-61666           
CASSBT          75
CAUX1           572
CAUX2           573
CBAUDL/H        750, 751
CCOMND          571
CDEVIC          570
CDTMA1          550, 551
CDTMA2          552, 553
CDTMF3          554
CDTMF4          556
CDTMF5          558
CDTMV1          536, 537
CDTMV2          538, 539
CDTMV3          540, 541
CDTMV4          542, 543
CDTMV5          544, 545
CFB             570-573
CH              764
CH1             754
CHACT           755
CHACTL          54273
CHAR            762
CHARSET         57344-58367
CHBAS           756
CHBASE          54281
CHKSNT          59
CHKSUM          49
CHKSUN          65528
CIOINT          58534
CIOINV          58478
CIOORG          58434-59092
CIOV            58454
CIREAD          58729
CIRTN           58907
CIX             242
CKEY            74
CLMJMP          6418
COLAC           114, 115
COLBK           53274
COLCRS          85, 86
COLDST          580
COLDSV          58487
COLINC          122
COLOR 0-4       708-712
COLPF 0-3       53270-53273
COLPM 0-3       53266-53269
COLRSH          79
COMENT          58941
COMPUT          60583
CONSOL          53279
COS             48561
COUNTR          126, 127
CPYFIL          9080
CRETRY          54                      
CRITIC          66                      
CRSINH          752                     
CSOPIV          58493                   
CSTAT           648                     
CTIA            53248-53503           
DAUX1/2         778, 779                
DBSECT          577                     
DBUF            7668                    
DBUFLO/HI       772, 773                
DBYTLO/HI       776, 777                
DCB             768-779               
DCOMND          770                     
DDEVIC          768                     
DDMG            10690                   
DEGFLG          251                     
DELFIL          8649                    
DELTAC          119, 120                
DELTAR          118                     
DFLADR          1810, 1811              
DFLAGS          576                     
DFLINK          1807, 1808              
DFMCLS          2837                    
DFMDDC          2983                    
DFMGET          2751                    
DFMOPN          2219                    
DFMPUT          2508                    
DFMSDH          1995                    
DFMSTA          2817                    
DFSFLG          1806                    
DIGRT           241                     
DINDEX          87                      
DINI            62334                   
DINIT           60906                   
DINT            2016                    
DIRLST          8505                    
DISKINV         58451                   
DISKIV          58448                   
DLISTL/H        54274, 54275            
DMACTL          54272                   
DMASK           672                     
DMENU           7951-8278             
DOBOOT          62189                   
DOPEN           62454                   
DOS             5440                    
DOSINI          12, 13                  
DOSOS           8309                    
DOSVEC          10, 11                  
DPFM            11528                   
DRAW            64764                   
DRETRY          55                      
DRKMSK          78                      
DRVBYT          1802                    
DSKFMS          24, 25                  
DSKIF           60912                   
DSKORG          60906-61047           
DSKTIM          582                     
DSKUTL          26, 27                  
DSPFLG          766                     
DSTAT           76                      
DSTATS          771                     
DTIMLO          774
DUNIT           769
DUNUSE          775
DUPFLG          5533
DVSTAT          746-749
EDITRV          58368
EEXP            237
EGETCH          63038
ENDFMS          5377
ENDPT           116, 117
ENDSTAR         142, 143
EOUTCH          63140
ERRFLG          575
ERRNO           73, 4789-4816
ERRSAVE         195
ESCFLG          674
ESIGN           239
EXP             56768
EXP10           56780
FADD            55910
FASC            55526
FCB             4993-5120
FCHRFLG         240
FDIV            56104
FDSCHAR         3850
FEOF            63
FILDAT          765
FILDIR          5121
FILFLG          695
FLD0P           56717
FLD0R           56713
FLD1P           56732
FLD1R           56728
FLPTR           252, 253
FMOVE           56758
FMUL            56027
FMZSPG          67-73
FNDCODE         3742
FPI             55762
FPOINT          55296-57393
FPSCR           1510-1515
FPSCR1          1516-1535
FPTR2           254, 255
FRE             218-223
FREQ            64
FRESECT         4293
FR0             212-217
FR1             224-229
FR2             230-235
FRX             236
FST0P           56747
FST0R           56743
FSUB            55904
FTYPE           62
GETSECTOR       4358
GLBABS          736-739
GPRIOR          623
GRACTL          53277
GRAFM           53265
GRAFP 0-3		53261-53264
GTIA            53248-53503
HARDI           62081
HATABS          794-831               
HITCLR          53278                   
HOLDCH          124                     
HOLD1           81                      
HOLD2           671                     
HOLD3           669                     
HOLD4           700                     
HOLD5           701                     
HPOSM 0-3       53252-53255           
HPOSP 0-3       53248-53251           
HSCROL          54276                   
ICAX1Z          42                      
ICAX2Z          43                      
ICAX3Z/4Z       44, 45                  
ICAX5Z          46                      
ICAX6Z          47                      
ICBALZ/HZ       36, 37                  
ICBLLZ/HZ       40, 41                  
ICCOMT          23                      
ICCOMZ          34                      
ICDNOZ          33                      
ICHIDZ          32                      
ICPTLZ/HZ       38, 39                  
ICSTAZ          35                      
IFP             55722                   
INBUFF          243, 244                
INISAVE         6044, 6045              
INITAD          738, 739                
INITIO          6518                    
INSDAT          125                     
INTEMP          557                     
INTINV          58475                   
INTORG          59093-59715           
INTRVEC         522, 523                
INVFLG          694                     
IOCB0           832-847               
IOCB1           848-863                 
IOCB2           864-879               
IOCB3           880-895               
IOCB4           896-911                 
IOCB5           912-927               
IOCB6           928-943               
IOCB7           944-959               
IOCBS           832-959               
IRQEN           53774                   
IRQST           53774                   
ISRDON          6630                    
ISRODN          60048                   
ISRSIR          6691, 60177             
ISRTD           60113                   
KBCODE          53769                   
KBDORG          62436-65535           
KEYBDV          58400                   
KEYDEL          753                     
KGETC2          63197                   
KGETCH          63202                   
LBFEND          1535                    
LBPR1           1406                    
LBPR2           1407                    
LBUFF           1408-1535             
LDFIL           10522                   
LDMEM           6457
LINBUF          583-622
LINE            7588
LINZBS          0, 1
LISTDIR         3501
LKFIL           10608
LMARGN          82
LOADFLG         5535
LOG             57037
LOG10           57041
LOGCOL          99
LOGMAP          690-693
LOMEM           128, 129
LPENH           564
LPENV           565
LMTR            6432
M0PF-M3PF       53248-53251
M0PL-M3PL       53256 53259
MEMFLG          6046
MEMLO           743, 744
MEMSAV          10138
MEMTOP          144, 145, 741, 742
MLTTMP          102, 103
MONORG          61667-62435
MWRITE          5958
NEWCOL          97, 98
NEWROW          96
NMIEN           54286
NMIRES          54287
NMIST           54287
NOCKSM          60
NSIGN           238
OLDADR          94, 95
OLDCHR          93
OLDCOL          91,92
OLDROW          90
OPT             5534
OS              55296-65535
OSRAM           62100
OUTBUFF         128, 129
P0PF-P3PF       53252-53255
P0PL-P3PL       53260-53263
PACTL           54018
PADDL 0-7       624-631
PAGE ONE        256-511
PAGE SIX        1536-1791
PAGE THREE      768-1023
PAGE TWO        512- 767
PAGE ZERO       0-255
PAL             53268
PBCTL           54019
PBPNT           29
PBUFSZ          30
PCOLR 0-3       704-707
PENH            54284
PENV            54285
PIA             54016-54271
PIRQ            59123
PIRQQ           65470
PLYARG          1504
PLYEVL          56640
PMBASE          54279
PNMI            59316                   
POKEY           53760-54015           
POKMSK          16                      
PORTA           54016                   
PORTB           54017                   
POT 0-7         53760-53767           
POTGO           53771                   
PRINTV          58416                   
PRIOR           53275                   
PRNBUF          960-999               
PRNORG          61048-61248           
PTABW           201                     
PTEMP           31                      
PTIMOT          28                      
PTRIG 0-7       636-643               
PWRUP           61733                   
RADFLG          251                     
RAM             0-49151               
RAMLO           4, 5                    
RAMSIZ          740                     
RAMTOP          106                     
RANDOM          53770                   
RBLOKV          58490                   
RDDIR           4206                    
RDNXTS          4111                    
RDVTOC          4235                    
RECVDN          57                      
RENFIL          9783                    
RESET           61723                   
RMARGN          83                      
ROM             49152-65535           
ROWAC           112, 113                
ROWCRS          84                      
ROWINC          121                     
RTCLOK          18, 19, 20              
RUNAD           736-737               
RUNSTK          142, 143                
SABYTE          1801                    
SASA            1804, 1805              
SAVADR          104, 105                
SAVFIL          12078                   
SAVIO           790                     
SAVMSC          88, 89                  
SCRENV          58384                   
SCRFLG          699                     
SCROLL          64428                   
SDLSTL          560, 561                
SDMCTL          559                     
SEND            60011                   
SENDEV          58472                   
SERIN           53773                   
SEROUT          53773                   
SETUP           4452                    
SETVBL          59666                   
SETVBV          58460                   
SFDIR           3873                    
SFLOAD          5540                    
SHFAMT          111                     
SHFLOK          702                     
SIN             48551                   
SIOINV          58469                   
SIOORG          59716-60905           
SIOV            58457
SIZEM           53260
SIZP 0-3        53256-53259
SKCTL           53775
SKREST          53770
SKSTAT          53775
SOUNDR          65
SPARE           563, 568, 569, 581, 651-655, 713-735, 745, 757-761, 1000-1020, 1152-1279
SQR             48869
SRTIMR          555
SSFLAG          767
SSKCTL          562
STACK           256-511
STACKP          792
STARP           140, 141
STATUS          48
STCAR           9986
STICK 0-3       632-635
STIMER          53769
STMCUR          138, 139
STMTAB          136, 137
STOPLN          186, 187
STRIG 0-3       644-647
SUBTMP          670
SWPFLG          123
SYSVBL          59345
SYSVBV          58463
TABMAP          675-689
TEMP            80, 574
TEMP1           786, 787
TEMP2           788
TEMP3           789
TESTVER2        10483
TIMER1          780, 781
TIMER2          784, 785
TIMFLG          791
TINDEX          659
TMPCOL          697, 698
TMPLBT          673
TMPROW          696
TMPX1           668
TRAMSZ          6
TRIG 0-3        53264-53267
TSTAT           793
TSTDAT          7
TXTCOL          657, 658
TXTMSC          660, 661
TXTOLD          662-667
TXTROW          656
ULFIL           10648
VBREAK          518, 519
VCOUNT          54283
VCTABL          58496
VDELAY          53276
VDSLST          512, 513
VECTOR TBL      58368-58477
VIMIRQ          534, 535
VINTER          516, 517
VKYED           520, 521
VNDT            132, 133                
VNTP            130, 131                
VPRCED          514, 515                
VSCROL          54277                   
VSERIN          522, 523                
VSEROC          526, 527                
VSEROR          524, 525                
VTIMR1          528, 529                
VTIMR2          530, 531                
VTIMR4          532, 533                
VVBLKD          548, 549                
VVBLKI          546, 547                
VVTP            134, 135                
WARMST          8                       
WARMSV          58484                   
WBOOT           10201                   
WMODE           649                     
WRTDOS          4618
WRTNXS          3988
WSYNC           54282
WTBUR           2591
XCONT           1798-1800
XDELETE         3122
XFORMAT         3352
XITVBV          58466
XLOCK           3196
XMTDON          58
XNOTE           3331
XPOINT          3258
XRENAME         3033
XUNLOCK         3203
ZBUFP           67, 68
ZDRVA           69, 70
ZFR0            55876
ZF1             55878