Model T Cross Map RAM Variables

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Revision as of 00:16, 8 July 2009 by 99.6.119.22 (talk)
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M100 Address PC8201 address T200 address Name1 Name2 Description
HEX DEC HEX DEC HEX DEC
62960 EEB0 61104 MAXRAM
F5F4 62964 F384 62340 0000 HIMEM Highest memory available to BASIC (clear value)
F5F9 62969 F389 62345 0000 INTRPT Rst 5.5 hook normally barcode reader
F5FC 62972 F38C 62348 0000 R65HOK Rst 6.5 hook normally UART (COM)
F5FF 62975 F38F 62351 EEC2 61122 R75HOK RS75HK Rst 7.5 hook normally from timer
F624 63012 F3B9 62393 0000 BRUN This executes second ROM
F625 63013 F3BA 62394 0000 BRUN2 This executes second ROM
F62A 63018 F3BF 62399 0000 ROMFLG Option ROM flag
F62B 63019 EEF4 61172 CALPPS
63020 61177 FNKMAC
F639 63033 F3E5 62437 EF06 61190 CSRY Current cursor Y position
F63A 63034 F3E6 62438 EF07 61191 CSRX Current cursor X positon
F63B 63035 F3E7 62439 0000 LINCNT Console height
F63C 63036 F3E8 62440 0000 LINWDT Console width
63037 61194
F63E 63038 F3EA 62442 EF0B 61195 LOKFLG SCLFLG Flag 00 = screen scrolls
F640 63040 F3EC 62444 0000 LCDCSY Cursor row (1-8)
F641 63041 F3ED 62445 0000 LCDCSX Cursor column (1-40)
F646 63046 F3F2 62450 0000 ESCCNT ESC mode flag (0 normal/ non-zero escape sequence)
F648 63048 F3F4 62452 0000 REVFLG Reverse video flag (FF=reverse/ 00=normal)
F64E 63054 F3FA 62458 0000 PRVCOO X coordinate of last graphic point plotted
F64F 63055 F3FB 62459 0000 PRVCO2 Y coordinate of last graphic point plotted *
F650 63056 F3FC 62460 EF32 61234 FNKMOD Function key mode/ BIT 7=in TEXT; BIT 6=in TELCOM
63058 61236 ERRTRP
63062 61239
F658 63064 F403 62467 EF39 61241 FULDUP DUPFLG Full/half duplex switch (FF=full duplex/ 00=half duplex)
F65A 63066 F405 62469 EF3B 61243 LFFLG Auto linefeed on RS232 output switch (non zero send line feeds with each carriage return)
F65B 63067 F406 62470 EF3C 61244 SERMOD Serial initialization string
F660 63072 F40C 62476 0000 TMPHOK Temporary hook
F661 63073 F40D 62477 0000 TMPAD1 Temporary hook address
F663 63075 F40F 62479 0000 TMPAD2 Temporary hook address 2
F665 63077 F411 62481 0000 TMPAD3 Temporary hook address 3
F672 63090 F453 62547 0000 ERRFLG Error code of last error
F674 63092 F455 62549 0000 LPTPOS Line printer head position (based from zero)
F675 63093 F456 62550 0000 PRTFLG Flag FF=send output to lpt
F67A 63098 F45B 62555 EF65 61285 CURLIN Current Basic executing line number
63099 61286
F67C 63100 F45D 62557 EF67 61287 TXTTAB CURBAS Pointer to start of Basic programs
63105 61292 INPBFR
F685 63109 F462 62562 EF70 61296 KBUF INPBUF Start of keyboard crunch buffer for line input routine
F788 63368 F6A4 63140 0000 TTYPOS Current TTY (horizontal cursor) position (0 39)
F789 63369 F6A5 63141 F074 61556 FNKSTR KEYDSP Function key definition area
63449 61636
F80A 63498 F7E6 63462 0000 BASFNK BASIC's function keys
F923 63779 F832 63538 0000 TIMSC1 TIMBUF: Seconds (ones)
F924 63780 F833 63539 0000 TIMSC2 TIMBUF+1: Seconds (tens)
F925 63781 F834 63540 0000 TIMMN1 TIMBUF+2: Minutes (ones)
F926 63782 F835 63541 0000 TIMMN2 TIMBUF+3: Minutes (tens)
F927 63783 F836 63542 0000 TIMHR1 TIMBUF+4: Hours (ones)
F928 63784 F837 63543 0000 TIMHR2 TIMBUF+5: Hours (tens)
F929 63785 F838 63544 0000 TIMDT1 TIMBUF+6: Day (ones)
F92A 63786 F839 63545 0000 TIMDT2 TIMBUF+7: Day (tens)
F92B 63787 F83A 63546 0000 TIMDAY TIMBUF+8: Day of week code (0=Sun / 1=Mon / etc..) **Not implemented?**
F92C 63788 F83B 63547 0000 TIMMON TIMBUF+9: Current month
F92D 63789 F83C 63548 0000 TIMYR1 TIMBUF+10: Year (ones)
F92E 63790 F83D 63549 0000 TIMYR2 TIMBUF+11: Year (tens)
F92F 63791 F83E 63550 F21F 61983 TIMCNT CSRITP Counter (150 to 1)
F930 63792 F83F 63551 0000 TIMCN2 Counter (12 to 1)
F931 63793 F840 63552 0000 TIMINT Power down countdown value
63794 61986
F99A 63898 F870 63600 F295 62101 NULDIR Address of non saved BASIC program
F9A5 63909 F87B 63611 0000 SCRDIR Start of paste buffer
63919 62122
64173 61194
FABA 64186 F9AC 63916 0000 LSTLIN Address of last BASIC line listed (decrunched)
FABE 64190 F9AE 63918 0000 STAKSV Save area for stack pointer during power off state
FAC0 64192 F9B0 63920 F4EE 62702 BOTTOM LOMEM Lowest RAM address in system (8000H for 32K system)
64194 62704 CAPTUR
64195 62705
64198 62708
FAC9 64201 F9BC 63932 0000 OFSSAV Offset save for hook dispatch
64206 62715 TOP
FAD0 64208 F9C2 63938 F4FD 62717 BINLEN LEN Length of last program loaded or saved on tape
64210 62719 EXE
64216 62725
FADA 64218 F9CC 63948 F507 62727 H.CLEAR CLEAR hook (retadr)
FADC 64220 F9CE 63950 F509 62729 H.MAXRAM MAXRAM hook (retadr)
FADE 64222 F9D0 63952 0000 H.CHGET1 CHGET hook (retadr)
FAE0 64224 F9D2 63954 0000 H.CHSNS CHSNS hook (retadr)
FAE2 64226 F9D4 63956 0000 H.CHPUT LCD hook (retadr)
FAF0 64240 F9E4 63972 F51F 62751 H.SAVE SAVE hook (retadr)
FAF4 64244 F9E8 63976 F523 62755 H.MERGE LOAD/MERGE hook (retadr)
FAF6 64246 F9EA 63978 0000 H.NULOPN OPEN hook (retadr)
FAFC 64252 F9F0 63984 0000 H.BINSAV SAVE(NM ERROR) hook (retadr)
FAFE 64254 F9F2 63986 0000 H.BINLOD LOAD(NM ERROR) hook (retadr)
FB00 64256 F9F4 63988 F52F 62767 H.EOF EOF hook (retadr)
64264 62775
64266 62777
FB10 64272 FA26 64038 0000 H.UPLD TELCOM(TERM UP) hook (retadr)
FB12 64274 FA28 64040 0000 H.TEXT TEXT hook (retadr)
FB14 64276 FA2A 64042 0000 H.WIDTHS WIDTH hook (fcerr)
FB18 64280 FA2C 64044 0000 H.SCREEN SCREEN hook (fcerr)
FB1A 64282 FA2E 64046 0000 H.TVOPN CRT open hook (fcerr)
FB1E 64286 FA32 64050 0000 H.TVOUT CRT put hook (fcerr)
FB20 64288 FA38 64056 0000 H.WAOPN WAND open hook (fcerr)
FB22 64290 FA3A 64058 0000 H.WACLS WAND close hook (fcerr)
FB24 64292 FA3C 64060 0000 H.WAINP WAND get hook (fcerr)
FB26 64294 FA3E 64062 0000 H.WABCK WAND other hook (fcerr)
FB28 64296 FA40 64064 0000 H.LOF LOF hook (fcerr)
FB2A 64298 FA42 64066 0000 H.LOC LOC hook (fcerr)
FB2C 64300 FA44 64068 F55D 62813 H.LFILES LFILES hook (fcerr)
FB2E 64302 FA46 64070 0000 H.DSKI$ DSKI$ hook (fcerr)
FB30 64304 FA48 64072 0000 H.DSKO$ DSK0$ hook (fcerr)
FB32 64306 FA4A 64074 F563 62819 H.KILL KILL hook (fcerr)
FB34 64308 FA4C 64076 F565 62821 H.NAME</a> NAME hook (fcerr)
FB36 64310 FA4E 64078 F567 62823 H.MSAVE SAVEM hook (fcerr)
FB38 64312 FA50 64080 F569 62825 H.MLOAD LOADM/RUNM hook (fcerr)
FB62 64354 FA88 64136 0000 TXTEND Pointer to end of .DO storage
FB65 64357 FA8B 64139 0000 VALTYP Type of last variable used
FB66 64358 FA8C 64140 0000 DORES Flag to tokenize reserved words in strings
FB69 64361 FABF 64191 0000 FRETOP Pointer to next free location in string buffer
FB8E 64398 FAC1 64193 0000 TEMP3 Multipurpose string register
FB94 64404 FAC7 64199 0000 DATLIN Line number of active DATA statement
FB9B 64411 FACE 64206 0000 SAVTXT Save for TXTPNT (current basic line/ used by RESUME)
FB9D 64413 FAD0 64208 F650 63056 SAVSTK STKVAL Save for stack pointer (used by RESUME)
FB9F 64415 FAD2 64210 0000 ERRLIN Line number of last Basic error
FBA1 64417 FAD4 64212 0000 DOT Most recent entered/ listed/ or edited line
FBA3 64419 FAD6 64214 0000 ERRTXT Points to line where error occurred
FBA5 64421 FAD8 64216 0000 ONELIN Address of "ON ERROR GOTO" line
FBA7 64423 FADA 64218 0000 ONEFLG Error status flag (0=no error/ nz=in error routine)
FBA8 64424 FADB 64219 0000 TEMP2 Formula evaluator temporary storage
FBAA 64426 FADD 64221 0000 OLDLIN Line number where Break occurred
FBAC 64428 FADF 64223 0000 OLDTXT Next line to execute
FBAE 64430 FAE1 64225 F661 63073 ASCTAB DOAREA Pointer to start of ASCII files
FBB0 64432 FAE3 64227 F663 63075 BINTAB Pointer to start of binary files
FBB2 64434 FAE5 64229 F665 63077 VARTAB VARSPC Pointer to start of simple variable space
FBB4 64436 FAE7 64231 F667 63079 ARYTAB VAREND Pointer to start of array table
FBB6 64438 FAE9 64233 F669 63081 STREND FRESPC End of storage/ first free byte
FBB8 64440 FAEB 64235 0000 DATPTR Pointer to current data item (message line)
FBBA 64442 FAED 64237 0000 DEFTBL Variable type table
FBE8 64488 F69B 63131 :number string stored here when 18187 is called
FC18 64536 FB24 64292 0000 DFACLO Floating Point Accumulator (FAC1)
FC69 64617 FB2E 64302 0000 ARGLO Second FAC (FAC2)
FC7A 64634 F72D 63277 SEEDRD
FC82 64642 FB62 64354 0000 MAXFIL Current maximum file number (read only)
FC83 64643 FB63 64355 0000 FILTAB Pointer to basic file table
FC8C 64652 F73F 63295 DEVOUT
FC92 64658 F745 63301
FC93 64659 FB78 64376 F746 63302 FILNAM FLNM 9 byte area for setting file names for search or open
FC99 64665 F74C 63308
FC9C 64668 FB81 64385 F74F 63311 FILNM2 Second file name/ same format as above. Used by NAMEB
FCA7 64679 F75A 63322
FCC0 64704 FBC0 64448 F7B0 63408 LINE0 ALTLCD Screen buffer 0 (Previous page for Telcom)
FDA1 64929 63433
FDD5 64981 63701
FDD7 64983 63537
FDEE 65006 63560 MENCNT
FDEF 65007 63561 FA2F
FDFF 65023 FCFF 64767 FA2F 64047 LINE0E end ALTLCD End of Screen buffer 0
FE00 65024 FD00 64768 FA30 64048 LINE1 LCD Screen buffer 1 (LCD memory)
FF3F 65343 FE3F 65087 FCAF 64687 LINE1E end LCD End of Screen Buffer 1
FF40 65344 FE40 65088 FCF2 64754 XONOFF Flag (00) means XOF has not been received
FF41 65345 FE41 65089 0000 INHDSP Flag (FF) XOF received so freeze display
FF42 65346 FE42 65090 0000 INHBIT Flag (0) XON/XOF disabled
FF46 65350 FEC4 65220 0000 COMBUF Data buffer for COM:
FF86 65414 FE45 65093 0000 CMPNT Number of bytes waiting in serial buffer
FF87 65415 FE46 65094 0000 RDADDR Read pointer for COMBUF
FF88 65416 FE47 65095 0000 WTADDR Write pointer for COMBUF
FF89 65417 FE48 65096 0000 CMERR Number of characters in COMBUF when there was an error
FF8A 65418 FE49 65097 0000 CMFLG Flag (0)=XOF has been sent
FF8B 65419 FE4A 65098 0000 BAUDRT Baud rate table entry address
FF8F 65423 FE4D 65101 FD03 64771 KYSCNX KBSITP Flag to determine if key scan should be done
FF91 65425 FE4F 65103 0000 KYDATA Keyboard matrix read
FF99 65433 FE60 65120 FD0D 64781 KYMODE PKGFF Keyboard mode storage (brk//caps/num/cod/gph/ctl/sft)
FFA3 65443 FE61 65121 0000 KYHOW Mode storage of last keypress for repeat
FFA2 65442 FD16 64790 KEYGPC
FFA4 65444 FE62 65122 FD18 64792 KYREPT Wait count for repeat
FFA5 65445 FD19 64793
FFA7 65447 FD1B 64795
FFA8 65448 FD1C 64796
FFAA 65450 FE68 65128 FD1E 64798 KYBCNT Number of characters in keyboard queue (KYRDBF)
FFAB 65451 FE69 65129 0000 KYRDBF Keyboard buffer
FFEB 65515 FEA9 65193 0000 BRKCHR 0 until break is pressed. 03=Break
FFEC 65516 FEB1 65201 0000 WORK1 6 byte buffer holding pattern under the cursor
FFF3 65523 FEB8 65208 FEA1 65185 CSRCNT Time until next cursor blink
FFF4 65524 FEB9 65209 0000 LCTEY LCD row 1 8 of character position to be printed
FFF5 65525 FEBA 65210 0000 LCTEX LCD column 1 40 of character position to be printed