Model T Cross Map RAM Variables

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