Memory map

Page	Byte	Address	Description
0	0	00000	THE 'START'
0	8	00008	THE 'ERROR' RESTART
0	16	00016	THE 'PRINT A CHARACTER' RESTART
0	19	00019	Unused
0	24	00024	THE 'COLLECT CHARACTER' RESTART
0	32	00032	THE 'COLLECT NEXT CHARACTER' RESTART
0	37	00037	Unused
0	40	00040	THE 'CALCULATOR' RESTART
0	43	00043	Unused
0	48	00048	THE 'MAKE BC SPACES' RESTART
0	56	00056	THE 'MASKABLE INTERRUPT' ROUTINE
0	83	00083	THE 'ERROR-2' ROUTINE
0	95	00095	Unused
0	102	00102	THE 'NON-MASKABLE INTERRUPT' ROUTINE
0	116	00116	THE 'CH-ADD+1' SUBROUTINE
0	125	00125	THE 'SKIP-OVER' SUBROUTINE
0	149	00149	THE TOKEN TABLE
2	5	00517	THE KEY TABLES
2	142	00654	THE 'KEYBOARD SCANNING' SUBROUTINE
2	191	00703	THE 'KEYBOARD' SUBROUTINE
3	30	00798	THE 'K-TEST' SUBROUTINE
3	51	00819	THE 'KEYBOARD DECODING' SUBROUTINE
3	181	00949	THE 'BEEPER' SUBROUTINE
3	248	01016	THE 'BEEP' COMMAND ROUTINE
4	110	01134	THE 'SEMI-TONE' TABLE
4	170	01194	THE 'PROGRAM NAME' SUBROUTINE (ZX81)
4	194	01218	THE 'SA-BYTES' SUBROUTINE
5	63	01343	THE 'SA/LD-RET' SUBROUTINE
5	86	01366	THE 'LD-BYTES' SUBROUTINE
5	227	01507	THE 'LD-EDGE-2' AND 'LD-EDGE-1' SUBROUTINES
6	5	01541	THE 'SAVE, LOAD, VERIFY and MERGE' COMMAND ROUTINES
7	203	01995	THE 'VERIFY' CONTROL ROUTINE
8	2	02050	THE 'LOAD A DATA BLOCK' SUBROUTINE
8	8	02056	THE 'LOAD' CONTROL ROUTINE
8	182	02230	THE 'MERGE' CONTROL ROUTINE
9	44	02348	THE 'MERGE A LINE OR A VARIABLE' SUBROUTINE
9	112	02416	THE 'SAVE' CONTROL ROUTINE
9	161	02465	THE CASSETTE MESSAGES
9	244	02548	THE 'PRINT-OUT' ROUTINES
10	17	02577	THE 'CONTROL CHARACTER' TABLE
10	35	02595	THE 'CURSOR LEFT' SUBROUTINE
10	61	02621	THE 'CURSOR RIGHT' SUBROUTINE
10	79	02639	THE 'CARRIAGE RETURN' SUBROUTINE
10	95	02655	THE 'PRINT COMMA' SUBROUTINE
10	105	02665	THE 'PRINT A QUESTION MARK' SUBROUTINE
10	109	02669	THE 'CONTROL CHARACTERS WITH OPERANDS' ROUTINE
10	217	02777	PRINTABLE CHARACTER CODES
10	220	02780	THE 'POSITION STORE' SUBROUTINE
11	3	02819	THE 'POSITION FETCH' SUBROUTINE
11	36	02852	THE 'PRINT ANY CHARACTER(S)' SUBROUTINE
11	219	03035	THE 'SET ATTRIBUTE BYTE' SUBROUTINE
12	10	03082	THE 'MESSAGE PRINTING' SUBROUTINE
12	59	03131	THE 'PO-SAVE' SUBROUTINE
12	65	03137	THE 'TABLE SEARCH' SUBROUTINE
12	85	03157	THE 'TEST FOR SCROLL' SUBROUTINE
13	77	03405	THE 'TEMPORARY COLOUR ITEMS' SUBROUTINE
13	107	03435	THE 'CLS' COMMAND ROUTINE
13	175	03503	THE 'CLEARING THE WHOLE DISPLAY AREA' SUBROUTINE
13	217	03545	THE 'CL-SET' SUBROUTINE
13	254	03582	THE 'SCROLLING' SUBROUTINE
14	68	03652	THE 'CLEAR LINES' SUBROUTINE
14	136	03720	THE 'CL-ATTR' SUBROUTINE
14	155	03739	THE 'CL-ADDR' SUBROUTINE
14	172	03756	THE 'COPY' COMMAND ROUTINE
14	205	03789	THE 'COPY-BUFF' SUBROUTINE
14	223	03807	THE 'CLEAR PRINTER BUFFER' SUBROUTINE
14	244	03828	THE 'COPY-LINE' SUBROUTINE
15	44	03884	THE 'EDITOR' ROUTINES
15	160	04000	THE 'EDITING KEYS' TABLE
15	169	04009	THE 'EDIT KEY' SUBROUTINE
15	243	04083	THE 'CURSOR DOWN EDITING' SUBROUTINE
16	7	04103	THE 'CURSOR LEFT EDITING' SUBROUTINE
16	12	04108	THE 'CURSOR RIGHT EDITING' SUBROUTINE
16	21	04117	THE 'DELETE EDITING' SUBROUTINE
16	30	04126	THE 'ED-IGNORE' SUBROUTINE
16	36	04132	THE 'ENTER EDITING' SUBROUTINE
16	49	04145	THE 'ED-EDGE' SUBROUTINE
16	89	04185	THE 'CURSOR UP EDITING' SUBROUTINE
16	118	04214	THE 'ED-SYMBOL' SUBROUTINE
16	127	04223	THE 'ED-ERROR' SUBROUTINE
16	151	04247	THE 'CLEAR-SP' SUBROUTINE
16	168	04264	THE 'KEYBOARD INPUT' SUBROUTINE
17	29	04381	THE 'LOWER SCREEN COPYING' SUBROUTINE
17	144	04496	THE 'SET-HL' AND 'SET-DE' SUBROUTINES
17	167	04519	THE 'REMOVE-FP' SUBROUTINE
17	183	04535	THE 'NEW' COMMAND ROUTINE
18	162	04770	THE 'MAIN EXECUTION' LOOP
19	145	05009	THE REPORT MESSAGES
21	57	05433	THE COPYRIGHT MESSAGE
21	85	05461	Report G - No room for line
21	93	05469	THE 'MAIN-ADD' SUBROUTINE
21	175	05551	THE 'INITIAL CHANNEL INFORMATION'
21	196	05572	Report J - Invalid I/O device
21	198	05574	THE 'INITIAL STREAM DATA'
21	212	05588	THE 'WAIT-KEY' SUBROUTINE
21	230	05606	THE 'INPUT-AD' SUBROUTINE
21	239	05615	THE 'MAIN PRINTING' SUBROUTINE
22	1	05633	THE 'CHAN-OPEN' SUBROUTINE
22	21	05653	THE 'CHAN-FLAG' SUBROUTINE
22	45	05677	THE 'CHANNEL CODE LOOK-UP' TABLE
22	52	05684	THE 'CHANNEL 'K' FLAG' SUBROUTINE
22	66	05698	THE 'CHANNEL 'S' FLAG' SUBROUTINE
22	77	05709	THE 'CHANNEL 'P' FLAG' SUBROUTINE
22	82	05714	THE 'MAKE-ROOM' SUBROUTINE
22	100	05732	THE 'POINTERS' SUBROUTINE
22	143	05775	THE 'COLLECT A LINE NUMBER' SUBROUTINE
22	158	05790	THE 'RESERVE' SUBROUTINE
22	176	05808	THE 'SET-MIN' SUBROUTINE
22	212	05844	THE 'RECLAIM THE EDIT-LINE' SUBROUTINE
22	219	05851	THE 'INDEXER' SUBROUTINE
22	229	05861	THE 'CLOSE #' COMMAND ROUTINE
23	1	05889	THE 'CLOSE-2' SUBROUTINE
23	22	05910	THE 'CLOSE STREAM LOOK-UP' TABLE
23	28	05916	THE 'CLOSE STREAM' SUBROUTINE
23	30	05918	THE 'STREAM DATA' SUBROUTINE
23	54	05942	THE 'OPEN #' COMMAND ROUTINE
23	93	05981	THE 'OPEN-2' SUBROUTINE
23	122	06010	THE 'OPEN STREAM LOOK-UP' TABLE
23	129	06017	THE 'OPEN-K' SUBROUTINE
23	133	06021	THE 'OPEN-S' SUBROUTINE
23	137	06025	THE 'OPEN-P' SUBROUTINE
23	147	06035	THE 'CAT, ERASE, FORMAT and MOVE' COMMAND ROUTINES
23	149	06037	THE 'LIST and LLIST' COMMAND ROUTINES
23	245	06133	THE 'LLIST' ENTRY POINT
23	249	06137	THE 'LIST' ENTRY POINT
24	85	06229	THE 'PRINT A WHOLE BASIC LINE' SUBROUTINE
24	182	06326	THE 'NUMBER' SUBROUTINE
24	193	06337	THE 'PRINT A FLASHING CHARACTER' SUBROUTINE
24	225	06369	THE 'PRINT THE CURSOR' SUBROUTINE
25	15	06415	THE 'LN-FETCH' SUBROUTINE
25	37	06437	THE 'PRINTING CHARACTERS IN A BASIC LINE' SUBROUTINE
25	110	06510	THE 'LINE-ADDR' SUBROUTINE
25	128	06528	THE 'COMPARE LINE NUMBERS' SUBROUTINE
25	136	06536	Unused
25	139	06539	THE 'FIND EACH STATEMENT' SUBROUTINE
25	184	06584	THE 'NEXT-ONE' SUBROUTINE
25	221	06621	THE 'DIFFERENCE' SUBROUTINE
25	229	06629	THE 'RECLAIMING' SUBROUTINE
25	251	06651	THE 'E-LINE-NO' SUBROUTINE
26	27	06683	THE 'REPORT AND LINE NUMBER PRINTING' SUBROUTINE
26	72	06728	THE SYNTAX TABLES
27	23	06935	THE 'MAIN PARSER' OF THE BASIC INTERPRETER
27	40	06952	THE STATEMENT LOOP
27	111	07023	THE 'SEPARATOR' SUBROUTINE
27	118	07030	THE 'STMT-RET' SUBROUTINE
27	138	07050	THE 'LINE-RUN' ENTRY POINT
27	158	07070	THE 'LINE-NEW' SUBROUTINE
27	178	07090	THE 'REM' COMMAND ROUTINE
27	179	07091	THE 'LINE-END' ROUTINE
27	191	07103	THE 'LINE-USE' ROUTINE
27	209	07121	THE 'NEXT-LINE' ROUTINE
27	238	07150	THE 'CHECK-END' SUBROUTINE
27	244	07156	THE 'STMT-NEXT' ROUTINE
28	1	07169	THE 'COMMAND CLASS' TABLE
28	13	07181	THE 'COMMAND CLASSES - 0, 3 and 5'
28	31	07199	THE 'COMMAND CLASS 1' ROUTINE
28	34	07202	THE 'VARIABLE IN ASSIGNMENT' SUBROUTINE
28	78	07246	THE 'COMMAND CLASS 2' ROUTINE
28	86	07254	THE 'FETCH A VALUE' SUBROUTINE
28	108	07276	THE 'COMMAND CLASS 4' ROUTINE
28	121	07289	THE 'EXPECT NUMERIC/STRING EXPRESSIONS' SUBROUTINE
28	150	07318	THE 'SET PERMANENT COLOURS' SUBROUTINE
28	190	07358	THE 'COMMAND CLASS 9' ROUTINE
28	219	07387	THE 'COMMAND CLASS 11' ROUTINE
28	222	07390	THE 'FETCH A NUMBER' SUBROUTINE
28	238	07406	THE 'STOP' COMMAND ROUTINE
28	240	07408	THE 'IF' COMMAND ROUTINE
29	3	07427	THE 'FOR' COMMAND ROUTINE
29	134	07558	THE 'LOOK-PROG' SUBROUTINE
29	171	07595	THE 'NEXT' COMMAND ROUTINE
29	218	07642	THE 'NEXT-LOOP' SUBROUTINE
29	236	07660	THE 'READ' COMMAND ROUTINE
30	39	07719	THE 'DATA' COMMAND ROUTINE
30	57	07737	THE 'PASS-BY' SUBROUTINE
30	66	07746	THE 'RESTORE' COMMAND ROUTINE
30	79	07759	THE 'RANDOMIZE' COMMAND ROUTINE
30	95	07775	THE 'CONTINUE' COMMAND ROUTINE
30	103	07783	THE 'GO TO' COMMAND ROUTINE
30	122	07802	THE 'OUT' COMMAND ROUTINE
30	128	07808	THE 'POKE' COMMAND ROUTINE
30	133	07813	THE 'TWO-PARAM' SUBROUTINE
30	148	07828	THE 'FIND INTEGERS' SUBROUTINE
30	161	07841	THE 'RUN' COMMAND ROUTINE
30	172	07852	THE 'CLEAR' COMMAND ROUTINE
30	237	07917	THE 'GO SUB' COMMAND ROUTINE
31	5	07941	THE 'TEST-ROOM' SUBROUTINE
31	26	07962	THE 'FREE MEMORY' SUBROUTINE
31	35	07971	THE 'RETURN' COMMAND ROUTINE
31	58	07994	THE 'PAUSE' COMMAND ROUTINE
31	84	08020	THE 'BREAK-KEY' SUBROUTINE
31	96	08032	THE 'DEF FN' COMMAND ROUTINE
31	195	08131	THE 'UNSTACK-Z' SUBROUTINE
31	201	08137	THE 'LPRINT and PRINT' COMMAND ROUTINES
31	223	08159	THE 'PRINT CONTROLLING' SUBROUTINE
31	245	08181	THE 'PRINT A CARRIAGE RETURN' SUBROUTINE
31	252	08188	THE 'PRINT ITEMS' SUBROUTINE
32	69	08261	THE 'END OF PRINTING' SUBROUTINE
32	78	08270	THE 'PRINT POSITION' SUBROUTINE
32	112	08304	THE 'ALTER STREAM' SUBROUTINE
32	137	08329	THE 'INPUT' COMMAND ROUTINE
33	185	08633	THE 'IN-ASSIGN' SUBROUTINE
33	214	08662	THE 'IN-CHAN-K' SUBROUTINE
33	225	08673	THE 'COLOUR ITEM' ROUTINES
34	148	08852	THE 'BORDER' COMMAND ROUTINE
34	170	08874	THE 'PIXEL ADDRESS' SUBROUTINE
34	203	08907	THE 'POINT' SUBROUTINE
34	220	08924	THE 'PLOT' COMMAND ROUTINE
35	7	08967	THE 'STK-TO-BC' SUBROUTINE
35	20	08980	THE 'STK-TO-A' SUBROUTINE
35	32	08992	THE 'CIRCLE' COMMAND ROUTINE
35	130	09090	THE 'DRAW' COMMAND ROUTINE
36	125	09341	THE 'INITIAL PARAMETERS' SUBROUTINE
36	183	09399	THE 'LINE-DRAWING' SUBROUTINE
36	251	09467	THE 'SCANNING' SUBROUTINE
37	15	09487	THE 'SCANNING QUOTES' SUBROUTINE
37	34	09506	THE 'SCANNING TWO CO-ORDINATES' SUBROUTINE
37	48	09520	THE 'SYNTAX-Z' SUBROUTINE
37	53	09525	THE 'SCANNING SCREEN$' SUBROUTINE
37	128	09600	THE 'SCANNING ATTRIBUTES' SUBROUTINE
37	150	09622	THE SCANNING FUNCTION TABLE
37	175	09647	THE 'SCANNING UNARY PLUS' ROUTINE
37	179	09651	THE 'SCANNING QUOTE' ROUTINE
37	232	09704	THE 'SCANNING BRACKET' ROUTINE
37	245	09717	THE 'SCANNING FN' ROUTINE
37	248	09720	THE 'SCANNING RND' ROUTINE
38	39	09767	THE 'SCANNING PI' ROUTINE
38	52	09780	THE' SCANNING INKEY$' ROUTINE
38	104	09832	THE 'SCANNING SCREEN$' ROUTINE
38	114	09842	THE 'SCANNING ATTR' ROUTINE
38	123	09851	THE 'SCANNING POINT' ROUTINE
38	132	09860	THE 'SCANNING ALPHANUMERIC' ROUTINE
38	141	09869	THE 'SCANNING DECIMAL' ROUTINE
38	201	09929	THE 'SCANNING VARIABLE' ROUTINE
39	149	10133	THE TABLE OF OPERATORS
39	176	10160	THE TABLE OF PRIORITIES
39	189	10173	THE 'SCANNING FUNCTION' SUBROUTINE
40	171	10411	THE 'FUNCTION SKIPOVER' SUBROUTINE
40	178	10418	THE 'LOOK-VARS' SUBROUTINE
41	81	10577	THE 'STACK FUNCTION ARGUMENT' SUBROUTINE
41	150	10646	THE 'STK-VAR' SUBROUTINE
42	82	10834	THE 'SLICING' SUBROUTINE
42	177	10929	THE 'STK-STORE' SUBROUTINE
42	204	10956	THE 'INT-EXP' SUBROUTINE
42	238	10990	THE 'DE,(DE+1)' SUBROUTINE
42	244	10996	THE 'GET-HL*DE' SUBROUTINE
42	255	11007	THE 'LET' COMMAND ROUTINE
43	241	11249	THE 'STK-FETCH' SUBROUTINE
44	2	11266	THE 'DIM' COMMAND ROUTINE
44	136	11400	THE 'ALPHANUM' SUBROUTINE
44	141	11405	THE 'ALPHA' SUBROUTINE
44	155	11419	THE 'DECIMAL TO FLOATING POINT' SUBROUTINE
45	27	11547	THE 'NUMERIC' SUBROUTINE
45	34	11554	THE 'STK-DIGIT' SUBROUTINE
45	40	11560	THE 'STACK-A' SUBROUTINE
45	43	11563	THE 'STACK-BC' SUBROUTINE
45	59	11579	THE 'INTEGER TO FLOATING-POINT' SUBROUTINE
45	79	11599	THE 'E-FORMAT TO FLOATING-POINT' SUBROUTINE (offset 60)
45	127	11647	THE 'INT-FETCH' SUBROUTINE
45	140	11660	THE 'POSITIVE-INT-STORE' SUBROUTINE
45	142	11662	THE 'INT-STORE' SUBROUTINE
45	162	11682	THE 'FLOATING-POINT TO BC' SUBROUTINE
45	193	11713	THE 'LOG(2↑A)' SUBROUTINE
45	213	11733	THE 'FLOATING-POINT TO A' SUBROUTINE
45	227	11747	THE 'PRINT A FLOATING-POINT NUMBER' SUBROUTINE
47	139	12171	THE 'CA=10*A+C' SUBROUTINE
47	155	12187	THE 'PREPARE TO ADD' SUBROUTINE
47	186	12218	THE 'FETCH TWO NUMBERS' SUBROUTINE
47	221	12253	THE 'SHIFT ADDEND' SUBROUTINE
48	4	12292	THE 'ADD-BACK' SUBROUTINE
48	15	12303	THE 'SUBTRACTION' OPERATION (offset 3)
48	20	12308	THE 'ADDITION' OPERATION (offset 15)
48	169	12457	THE 'HL=HL*DE' SUBROUTINE
48	192	12480	THE 'PREPARE TO MULTIPLY OR DIVIDE' SUBROUTINE
48	202	12490	THE 'MULTIPLICATION' OPERATION (offset 4)
49	175	12719	THE 'DIVISION' OPERATION (offset 5)
50	20	12820	THE 'INTEGER TRUNCATION TOWARDS ZERO' SUBROUTINE (offset 58)
50	147	12947	THE 'RE-STACK TWO' SUBROUTINE
50	151	12951	THE 'RE-STACK' SUBROUTINE (offset 61)
50	197	12997	THE TABLE OF CONSTANTS
50	215	13015	THE TABLE OF ADDRESSES
51	91	13147	THE 'CALCULATE' SUBROUTINE
51	162	13218	THE 'SINGLE OPERATION' SUBROUTINE (offset 59)
51	169	13225	THE 'TEST 5-SPACES' SUBROUTINE
51	180	13236	THE 'STACK NUMBER' SUBROUTINE
51	192	13248	THE 'MOVE A FLOATING-POINT NUMBER' SUBROUTINE (offset 49)
51	198	13254	THE 'STACK LITERALS' SUBROUTINE (offset 52)
51	247	13303	THE 'SKIP CONSTANTS' SUBROUTINE
52	6	13318	THE 'MEMORY LOCATION' SUBROUTINE
52	15	13327	THE 'GET FROM MEMORY AREA' SUBROUTINE (offset 65)
52	27	13339	THE 'STACK A CONSTANT' SUBROUTINE (offset 63)
52	45	13357	THE 'STORE IN MEMORY AREA' SUBROUTINE (offset 64)
52	60	13372	THE 'EXCHANGE' SUBROUTINE (offset 1)
52	73	13385	THE 'SERIES GENERATOR' SUBROUTINE (offset 62)
52	106	13418	THE 'ABSOLUTE MAGNITUDE' FUNCTION (offset 42)
52	110	13422	THE 'UNARY MINUS' OPERATION (offset 27)
52	146	13458	THE 'SIGNUM' FUNCTION (offset 41)
52	165	13477	THE 'IN' FUNCTION (offset 44)
52	172	13484	THE 'PEEK' FUNCTION (offset 43)
52	179	13491	THE 'USR' FUNCTION (offset 45)
52	188	13500	THE 'USR STRING' FUNCTION (offset 25)
52	233	13545	THE 'TEST-ZERO' SUBROUTINE
52	249	13561	THE 'GREATER THAN ZERO' OPERATION (offset 55)
53	1	13569	THE 'NOT' FUNCTION (offset 48)
53	6	13574	THE 'LESS THAN ZERO' OPERATION (offset 54)
53	11	13579	THE 'ZERO OR ONE' SUBROUTINE
53	27	13595	THE 'OR' OPERATION (offset 7)
53	36	13604	THE 'NUMBER AND NUMBER' OPERATION (offset 8)
53	45	13613	THE 'STRING AND NUMBER' OPERATION (offset 16)
53	59	13627	THE 'COMPARISON' OPERATIONS (offsets 9 to 14, 17 to 22)
53	156	13724	THE 'STRING CONCATENATION' OPERATION (offset 23)
53	191	13759	THE 'STK-PNTRS' SUBROUTINE
53	201	13769	THE 'CHR$' FUNCTION (offset 47)
53	222	13790	THE 'VAL' AND 'VAL$' FUNCTIONS (offsets 24, 29)
54	31	13855	THE 'STR$' FUNCTION (offset 46)
54	69	13893	THE 'READ-IN' SUBROUTINE (offset 26)
54	105	13929	THE 'CODE' FUNCTION (offset 28)
54	116	13940	THE 'LEN' FUNCTION (offset 30)
54	122	13946	THE 'DECREASE THE COUNTER' SUBROUTINE (offset 53)
54	134	13958	THE 'JUMP' SUBROUTINE (offset 51)
54	143	13967	THE 'JUMP ON TRUE' SUBROUTINE (offset 0)
54	155	13979	THE 'END-CALC' SUBROUTINE (offset 56)
54	160	13984	THE 'MODULUS' SUBROUTINE (offset 50)
54	175	13999	THE 'INT' FUNCTION (offset 39)
54	196	14020	THE 'EXPONENTIAL' FUNCTION (offset 38)
55	19	14099	THE 'NATURAL LOGARITHM' FUNCTION (offset 37)
55	131	14211	THE 'REDUCE ARGUMENT' SUBROUTINE (offset 57)
55	170	14250	THE 'COSINE' FUNCTION (offset 32)
55	181	14261	THE 'SINE' FUNCTION (offset 31)
55	218	14298	THE 'TAN' FUNCTION (offset 33)
55	226	14306	THE 'ARCTAN' FUNCTION (offset 36)
56	51	14387	THE 'ARCSIN' FUNCTION (offset 34)
56	67	14403	THE 'ARCCOS' FUNCTION (offset 35)
56	74	14410	THE 'SQUARE ROOT' FUNCTION (offset 40)
56	81	14417	THE 'EXPONENTIATION' OPERATION (offset 6)
56	110	14446	Unused
61	0	15616	Character set
92	0	23552	KSTATE - Used in reading the keyboard
92	8	23560	LAST-K - Last key pressed
92	9	23561	REPDEL - Time that a key must be held down before it repeats
92	10	23562	REPPER - Delay between successive repeats of a key held down
92	11	23563	DEFADD - Address of arguments of user defined function
92	13	23565	K-DATA - Second byte of colour controls entered from keyboard
92	14	23566	TVDATA - Colour, AT and TAB controls going to television
92	16	23568	STRMS - Addresses of channels attached to streams
92	54	23606	CHARS - 256 less than address of character set
92	56	23608	RASP - Length of warning buzz
92	57	23609	PIP - Length of keyboard click
92	58	23610	ERR-NR - One less than the error report code
92	59	23611	FLAGS - Various flags to control the BASIC system
92	60	23612	TV-FLAG - Flags associated with the television
92	61	23613	ERR-SP - Address of item on machine stack to use as error return
92	63	23615	LIST-SP - Return address from automatic listing
92	65	23617	MODE - Specifies K, L, C, E or G cursor
92	66	23618	NEWPPC - Line to be jumped to
92	68	23620	NSPPC - Statement number in line to be jumped to
92	69	23621	PPC - Line number of statement being executed
92	71	23623	SUBPPC - Number within line of statement being executed
92	72	23624	BORDCR - Border colour
92	73	23625	E-PPC - Number of current line
92	75	23627	VARS - Address of variables
92	77	23629	DEST - Address of variable in assignment
92	79	23631	CHANS - Address of channel data
92	81	23633	CURCHL - Address of information used for input and output
92	83	23635	PROG - Address of BASIC program
92	85	23637	NXTLIN - Address of next line in program
92	87	23639	DATADD - Address of terminator of last DATA item
92	89	23641	E-LINE - Address of command being typed in
92	91	23643	K-CUR - Address of cursor
92	93	23645	CH-ADD - Address of the next character to be interpreted
92	95	23647	X-PTR - Address of the character after the '?' marker
92	97	23649	WORKSP - Address of temporary work space
92	99	23651	STKBOT - Address of bottom of calculator stack
92	101	23653	STKEND - Address of start of spare space
92	103	23655	BREG - Calculator's B register
92	104	23656	MEM - Address of area used for calculator's memory
92	106	23658	FLAGS2 - More flags
92	107	23659	DF-SZ - The number of lines in the lower part of the screen
92	108	23660	S-TOP - The number of the top program line in automatic listings
92	110	23662	OLDPPC - Line number to which CONTINUE jumps
92	112	23664	OSPCC - Number within line of statement to which CONTINUE jumps
92	113	23665	FLAGX - Various flags
92	114	23666	STRLEN - Length of string type destination in assignment
92	116	23668	T-ADDR - Address of next item in parameter table
92	118	23670	SEED - The seed for RND
92	120	23672	FRAMES - Frame counter
92	123	23675	UDG - Address of first user defined graphic
92	125	23677	COORDS - Coordinates of last point plotted
92	127	23679	P-POSN - Column number of printer position
92	128	23680	PR-CC - Address of next position for LPRINT to print at
92	130	23682	ECHO-E - Column and line number of end of input buffer
92	132	23684	DF-CC - Address in display file of PRINT position
92	134	23686	DF-CCL - Like DF-CC for lower part of screen
92	136	23688	S-POSN - Column and line number for PRINT position
92	138	23690	S-POSNL - Like S-POSN for lower part of screen
92	140	23692	SCR-CT - Scroll counter
92	141	23693	ATTR-P - Permanent current colours
92	142	23694	MASK-P - Used for transparent colours
92	143	23695	ATTR-T - Temporary current colours
92	144	23696	MASK-T - Temporary transparent colours
92	145	23697	P-FLAG - More flags
92	146	23698	MEMBOT - Calculator's memory area
92	176	23728	NMIADD - Non-maskable interrupt address
92	178	23730	RAMTOP - Address of last byte of BASIC system area
92	180	23732	P-RAMT - Address of last byte of physical RAM
92	182	23734	Channel information