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[pdp8.git] / sw / os8 / v3d / sources / system / dectapes / dectape1 / LOADER.PA
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PH		 1/OS8 FORTRAN II RELOCATING LOADER V4
2/
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4/
5/
6/
7/
8/
9//
10/
11/
12/
13/
14/COPYRIGHT (C) 1973, 1975
15/DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
16/
17/
18/
19/THIS SOFTWARE IS FURNISHED UNDER A LICENSE FOR USE ONLY ON A
20/SINGLE COMPUTER SYSTEM AND MAY BE COPIED ONLY WITH THE INCLU-
21/SION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE, OR ANT OTHER
22/COPIES THEREOF, MAY NOT BR PROVIDED OR OTHERWISE MADE AVAILABLE
23/TO ANY OTHER PERSON EXCEPT FOR USE ON SUCH SYSTEM AND TO ONE WHO
24/AGREES TO THESE LICENSE TERMS. TITLE TO AND OWNERSHIP OF THE
25/SOFTWARE SHALL AT ALL TIMES REMAIN IN DEC.
26/
27/
28/THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT
29/NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL
30/EQUIPMRNT COROPATION.
31/
32/DEC ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
33/SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DEC.
34/
35/
36/
37/
38/
39/
40\f/LOADER.07 DECEMBER 5, 1973
41/
42/
43/CHANGES MADE FOR V4 J.K. 1975
44/
45/ .VERSION NUMBER PRINTED ON MAP
46/ .BIT ZERO OF 17645 IS USED INSTEAD OF THE WHOLE
47/ WORD TO INDICATE THAT THE LOADER WAS CHAINED
48/ TO FROM SABR
49/ .CORE ROUTINE STANDARIZED
50/ .CHECK FOR BATCH CORRECTED
51/
52/
53/FIELD 0, PAGE 0
54
55 VERSION=6400 /PRINTS ON MAP
56 PATCH=01
57 JSTFLD= 7744
58 JSTADR= 7745
59 JSBITS= 7746
60 MOFILE= 7600
61 MIFILE= 7617
62 MPARAM= 7643
63 DCB= 7760
64 MSTCDF= 7772
65 MSTADR= 7775
66 SHNDLR= 7607
67 MGET= 7667
68 MTEMP= 27
69 OLDT9= 7 /LOCATION OF HANDLER ENTRY OF DEVICE
70 /WITH DIRECTORY IN CORE
71
72 *0
73ZERO, JMS I XSHNDLR
74ONE, 2010
75 3600
76 MTEMP+11
77 HLT
78FIVE, JMP I .+1
79 7600
80XSHNDLR,SHNDLR
81X1, 0
82X2, 0
83X3, 0
84X4, 0
85
86 *16
87 NOPUNC
88 *100
89 ENPUNC
90
91DFRSTR, CIF 10
92 JMS I DF200
93 11 /KICK OUT MONITOR
94DFSAVE, 0 /RESTORE CALLING FIELD
95 JMP I CDZSKP /AND EXIT
96
97SAVEDF, 0 /COMMON SAVE-FIELD PROCESSOR FOR FORTRAN I/O
98 DCA CDZSKP /CALLING ADDRESS
99 RDF
100 TAD .+2
101 DCA DFSAVE /CALLING FIELD
102 CDF CIF 0
103 JMP I SAVEDF
104DF200, 200
105\f/RUN-TIME SYSTEM PAGE 0 - PROPAGATED TROUGH ALL FIELDS
106
107*33
108 BNK=00
109/
110/ COMMON SUBROUTINE CALL LINKAGE ROUTINE
111/
112LINK, 0
113K6201, CDF BNK /SET DATA FIELD TO THIS BANK
114K6202, CIF 00 /SET INSTRUCTION FIELD TO ZERO
115 JMP I MLINKP /EXIT TO MASTER LINKAGE ROUTINE
116MLINKP, MLINK
117/
118/ COMMON SUBROUTINE RETURN LINKAGE ROUTINE
119/
120RTN, 0
121 CDF BNK /SET DATA FIELD TO THIS BANK
122 CIF 00 /SET INSTRUCTION FIELD TO ZERO
123 JMP I MRTNP /EXIT TO MASTER RETURN ROUTINE
124MRTNP, MRTN
125/
126/ CHANGE DATA FIELD TO CURRENT AND SKIP
127/
128CDFSKP, 0
129 ISZ CDFSKP /INDEX ADDRESS FOR SKIPPING
130 CDF BNK /CHANGE DATA FIELD TO CURRENT BANK
131 JMP I CDFSKP /EXIT
132/
133/ CHANGE DATA FIELD TO ZERO AND SKIP
134/
135CDZSKP, 0
136 ISZ CDZSKP /INDEX RETURN ADDRESS FOR SKIPPING
137 CDF 10 /CHANGE DATA FIELD TO ZERO
138 JMP I CDZSKP /EXIT
139/
140/ OFF BANK INDIRECT SUBROUTINE
141/
142OBISUB, 0
143 CDF BNK /SET DATA FIELD TO THIS BANK
144 CIF 00 /SET INSTRUCTION FIELD TO ZERO
145 JMP I MOBIP /EXIT TO MASTER OFF BANK INDIRECT SUBROUTINE
146MOBIP, MOBI
147/
148/ OFF PAGE INDIRECT SUBROUTINE
149/
150OPISUB, 0
151 CDF BNK /SET DATA FIELD TO THIS BANK
152 CIF 00 /SET INSTRUCTION FIELD TO BANK 0
153 JMP I MOPIP /EXIT TO MASTER OFF PAGE INDIRECT SUBROUTINE
154MOPIP, MOPI
155\f/
156/ ROUTINE TO HANDLE DUMMY ARGUMENTS
157/
158DUMSUB, 0
159 CDF BNK /SET DATA FIELD TO THIS BANK
160 CIF 00 /SET INSTRUCTION FIELD TO BANK 0
161 JMP I MDUMP /EXIT TO MASTER DUMMY ARGUMENT ROUTINE
162MDUMP, MDUM
163
164/ PAGE 0 CELLS FOR FORTRAN EXECUTION TIME I/O
165/ CELLS SET UP BY LINKING LOADER - CANNOT GO PAST 77
166
167INHNDL, 0 /PAGE FOR INPUT HANDLER IF /I SWITCH WAS ON
168OUHNDL, 0 /PAGE FOR OUTPUT HANDLER IF /O SWITCH WAS ON
169ELENGT, 0 /"DESIRED LENGTH" FOR FORTRAN OUTPUT FILES - USUALLY 0
170
171 *DF200+1
172/OTHER PAGE 0 LOCATIONS
173
174FOPOLD, 0
175FINPTR, 0
176FICHCT, 0 /MUST BE INIT. TO -1 AT LOOKUP
177FINTMP, 0 /MUST BE INIT. TO 10 AT LOOKUP
178OHNDLR, 0 /SET BY FENTER - CLEARED BY FCLOSE
179IHNDLR, 0 /SET BY FLUKUP - NEVER CLEARED
180FOUPTR, 0
181FOCHCT, 0
182\f *200
183LSTART, JMP I (LDRZZ1
184SSTART, CDF 10
185 TAD I (MPARAM+2
186 SMA CLA
187 JMP NOTSBR
188 TAD I (MPARAM+2
189 AND (3777
190 DCA I (MPARAM+2
191 TAD I (MOFILE
192 SNA CLA
193 JMP LDRYYY
194 TAD (MOFILE+11
195 DCA X1
196 TAD (MOFILE
197 DCA SEVEN
198 TAD (-5
199 DCA SIX
200 TAD (TEMP-1
201 DCA X2
202MOVLP1, TAD I SEVEN
203 CDF 0
204 DCA I X2
205 CDF 10
206 TAD I X1
207 DCA I SEVEN
208 ISZ SEVEN
209 ISZ SIX
210 JMP MOVLP1
211 TAD TEMP+1 /GET BLOCK NUMBER WHICH SABR PLACED HERE
212 DCA I (MIFILE+1
213 DCA I (MIFILE+2
214 CLA CLL CMA RAL
215 AND I (MPARAM
216 DCA I (MPARAM /REMOVE /L SWITCH FROM SABR INPUT
217 CDF 0
218 CIF 10
219 CLA IAC
220 JMS I (200
221 4 /DELETE
222 FORTRL /THE FILE "FORTRL.TM" IF IT EXISTS
223 0
224 NOP /IT DIDN'T EXIST - BIG DEAL
225 TAD TEMP
226LDRYYY, CDF 10
227 DCA I (MIFILE
228NOTSBR, CIF 10
229 CDF 0
230 JMS I (200
231 12 /GET DEVICE NUMBER WITHOUT HANDLER
232 2424 /TT
233TTYNUM, 3100 /Y
234 1000 /RANDOM NUMBER
235 JMP LWOWIE /WHAT - NO TELETYPE???
236 CIF 10
237 CLA IAC /DEVICE "SYS"
238 JMS I (200
239 2
240PTSLIB, SYSLIB
241 0 /USELESS LENGTH WORD
242 CLA SKP
243 TAD PTSLIB
244 CDF 10
245 DCA I (PSYSLB
246 TAD TTYNUM
247 DCA I (TTYNO /STORE AWAY TTY DEVICE NUMBER
248 JMS I (BATCK
249CORO, TAD CORSIZ /GET FLD OF TEST
250 RTL
251 RAL
252 AND COR70
253 TAD COREX /MASK USEFUL BITS
254 DCA .+1
255COR1, CDF
256 TAD I CORLOC /SAVE CURRENT CONTENTS
257COR2, NOP
258 DCA COR1
259 TAD COR2
260 DCA I CORLOC
261COR70, 70
262 TAD I CORLOC /TRY TO READ BACK
263CORX, 7400
264 TAD CORX
265 TAD CORV /TAD (1400)
266 SZA CLA
267 JMP COREX /NON-EXISTENT FLD EXIT
268 TAD COR1
269 DCA I CORLOC /RESTORE LOC
270 ISZ CORSIZ
271 JMP CORO
272COREX, CDF 0
273 TAD CORSIZ
274 CIA
275FOUNDX, CDF CIF 10
276 DCA I (WROVLY /POSTPONE SPREADING FIELD ZERO RESIDENT
277 TAD (TTYOUT / THRU FIELDS UNTIL /I,/O AND /H ARE TESTED
278 DCA I (TYPE
279 JMP I .+1
280 LDRXXX
281\fSIX, 0
282SEVEN, 0
283
284LWOWIE, CDF CIF 10
285 JMP I (SIOERR
286CORLOC, CORX
287CORV, 1400
288CORSIZ, 1
289TEMP, 0;0;0;0
290 PAGE
291\f/FULL LINKAGE ROUTINES FOR RUN-TIME SYSTEM
292
293 *400
294K77A, 0077 /MUST BE FIRST LOC ON PAGE
295/
296/ MASTER OFF PAGE INDIRECT ROUTINE
297/
298MOPI, DCA AC /SAVE AC
299 TAD I OPIP /PICK UP ADDRESS OF PARAMETER
300 DCA DUMSUB
301 TAD I DUMSUB /ACTUAL PARAMETER
302 DCA 7 /TO A TEMP
303 TAD I 7 /PICK UP FINAL DATA
304 DCA I K7 /TO LOCATION 7 IN FROM BANK
305 RDF /FROM BANK
306ATVX, TAD K6202 /MAKE A CIF FROM INSTRUCTION
307 DCA ATV /SAVE IN THIS SEQUENCE
308 JMP ATV-1
309/
310/ MASTER OFF BANK INDIRECT ROUTINE
311/
312MOBI, DCA AC /SAVE AC
313 TAD I OBIP /ADDRESS OF PARAMETER
314 DCA DUMSUB
315 TAD I DUMSUB /ACTUAL COMMON ADDRESS
316 DCA 7 /SAVE IT
317 RDF /FROM BANK
318 TAD K6201 /MAKE A CDF FROM INSTRUCTION
319 DCA .+3 /PLACE IN THIS SEQUANCE
320 CDF 10 /CHANGE DATA FIELD TO COMMON
321 TAD I 7 /ACTUAL DATA
322 NOP /BECOMES CDF AND CIF FROM INSTRUCTION
323 DCA I K7 /TO LOCATION 7 IN FROM BANK
324 RDF
325 CDF 10
326 JMP ATVX
327\f/ MASTER INDIRECT DUMMY ARGUMENT SUBROUTINE
328
329MDUM, DCA AC /SAVE AC
330 TAD I DUMP /PICK UP ADDRESS OF PAR
331 DCA DUMSUB
332 TAD I DUMSUB /PICK UP POINTER TO 2 WORD VECTOR
333 DCA DUMTEM /TO A TEMPORARY
334 TAD I DUMTEM /FIELD DATA IS IN AS A CDF
335 DCA ABCRT /TO THIS SEQUANCE
336 RDF /FROM FIELD
337 TAD K6202 /MAKE A CIF INSTRUCTION
338 DCA ATV /TO THIS SEQUANCE FOR EXIT
339 ISZ DUMTEM /POINT TO LOCATION IN FIELD
340 TAD I DUMTEM /ACTUAL LOCATION IN UNKNOWN FIELD
341 DCA I K7 /TO FROM FIELD LOCATION 7
342ABCRT, NOP /BECOMES CDF UNKNOWN
343 ISZ DUMSUB /BUMP RETURN ADDRESS
344ATV, NOP /BECOMES CIF FROM
345 TAD AC /RESTORE AC
346 JMP I DUMSUB /EXIT
347AC= CDZSKP
348DUMTEM= OBISUB
349OPIP, OPISUB
350OBIP, OBISUB
351DUMP, DUMSUB
352/
353/ MASTER LINKAGE ROUTINE
354/
355MLINK, DCA AC /SAVE AC
356 RDF
357 TAD K6201 /MAKE A CDF
358 DCA DUMTEM
359 TAD I LINKP /ADDRESS OF CODE WORD
360 JMS RTS1
361 TAD DUMTEM /CDF FROM INSTRUCTION
362 DCA I DUMSUB /TO FIRST WORD OF 2 WORD VECTOR
363 ISZ DUMSUB /POINT TO DISPLACEMENT
364 TAD LINK /ADDRESS OF CODE WORD
365 IAC /INCR. TO FIRST ARG
366 DCA I DUMSUB /TO SECOND WORD OF 2 WORD VECTOR
367 JMP ATVX-1
368/
369/ MASTER RETURN ROUTINE
370/
371MRTN, DCA AC /SAVE AC
372 TAD I RTNP /ADDRESS OF CODE WORD
373 JMS RTS1
374 TAD I DUMSUB /FIELD TO RETURN TO AS A CDF INSTRUCTION
375 TAD K2
376 DCA ATV
377 ISZ DUMSUB
378 TAD I DUMSUB
379 DCA DUMSUB
380 JMP ATV
381\f/DATA
382
383K100A, 100
384K7700A, 7700
385LINKP, LINK
386RTNP, RTN
387/
388/SUBROUTINE 1
389/
390RTS1, 0
391 DCA LINK
392 TAD I LINK /CODE WORD
393K200A, AND K77A /MASK OUT NUMBER OF ARGUMENTS
394 TAD K200A /+DISPLACEMENT
395 DCA ABCRT /GIVES ADDRESS OF BCRT ENTRY
396 TAD ABCRT
397 TAD K100A /+DISPLACEMENT
398 DCA ATV /GIVES ADDRESS OF TV DISPLACEMENT
399 CDF CIF 0 /(TABLES IN FIELD 0!)
400 TAD I ABCRT /TO CDF INSTRUCTION
401 DCA RTSCDF /TO FIRST WORD OF 2 WORD VECTOR
402 TAD I ATV /TO BANK DISPLACEMENT
403 SNA /WAS IT LOADED?
404 JMP NOTIN /NO
405
406 DCA DUMSUB /TO SECOND WORD OF 2 WORD VECTOR
407RTSCDF, 0
408 JMP I RTS1
409
410NOTIN, CIF 10
411 JMS I K7700A
412K7, 7
413 1 /USER ERROR 1 - PROGRAM NOT LOADED
414\fFASIGN, 0 /CALLED FROM SABR - DOES ASSIGN AND
415 DCA CDFSKP /EITHER LOOKUP,ENTER OR CLOSE
416 TAD FASIGN
417 JMS SAVEDF
418 CIF 10
419 JMS I K7700A
420 10 /CALL USR IN
421 CIF 10
422 JMS I K200A
423 1 /ASSIGN HANDLER
424ASDEV, 0;0 /SET UP BY SABR
425ASPAGE, 0 /DITTO
426 JMP ASERR /ASSIGN FAILURE
427ZRONAM, DCA FLUNAM /ZERO FILENAME FOR LOOKUP
428 TAD ASDEV+1 /PUT DEVICE NUMBER IN AC
429 JMP I CDFSKP /JUMP TO APPROPRIATE ROUTINE
430
431 *567 /MUST CROSS PAGE BOUNDARY JUST SO
432FLUKUP, CIF 10
433 JMS I K200A
434K2, 2 /LOOKUP FILE
435FLUNAM, 0 /REPLACED BY BLOCK NUMBER
436FLUCNT, 0 /REPLACED BY LENGTH (UNUSED)
437ASERR, ISZ CDZSKP /SKIP RETURN IF ERROR
438 TAD ASPAGE
439 DCA IHNDLR /SET UP INPUT HANDLER ENTRY AND FLAG
440 TAD FLUNAM
441FINRXX, DCA FINREC /***** THIS SHOULD BE AT LOC 600! *****
442 CLA CMA
443 DCA FICHCT
444 TAD FIN10
445 DCA FINTMP
446 JMP FRESET /RESET I/O AND RETURN FROM FASIGN
447 IFNZRO FINRXX-600 <FINERR,_ERROR>
448\f /GET A CHARACTER ROUTINE.
449 /RETURNS TO .+1 IF ERROR, .+2 IF NORMAL
450 /CHAR IN AC ON OUTPUT
451 /DOES NOT HANDLE END-OF-FILE VERY WELL
452
453FICHAR, 0
454 TAD FICHAR
455 JMS SAVEDF /SAVE RETURN FIELD AND ADDRESS
456FNXTCH, ISZ FICHCT /BUMP CHAR COUNT
457 JMP FIGET
458 JMS I IHNDLR /IT OVERFLOWED - READ IN A NEW BUFFER
459FI200, 200
460FINBUF, 1200
461FINREC, 0
462FI7700, SMA CLA
463 SKP /END - OF - FILE ERROR - IGNORE
464 JMP DFSAVE /ERROR RETURN
465 ISZ FINREC
466 CLA CMA
467 TAD FINBUF
468 DCA FINPTR
469 TAD FI7200
470 DCA FICHCT /INITIALIZE FOR NEW RECORD
471FIGET, TAD FINTMP /GET HIGH-ORDER-BIT BUFFER
472 SPA /IS IT FULL?
473 JMP FITHRD /YES - OUTPUT COMBINED HIGH-ORDER BITS
474FI7200, CLA
475 ISZ FINPTR
476 TAD I FINPTR /GET A LOC FROM THE BUFFER
477 AND FI7400
478 RAL CLL
479 TAD FINTMP /PUT THE HIGH ORDER BITS ONTO THE HOB BUFFER
480FINXX, RTL
481 RTL
482 DCA FINTMP
483 TAD I FINPTR
484 JMP DFEXIT /RETURN WITH SKIP
485FITHRD, DCA I FINPTR /FUDGE THIRD CHAR INTO BUFFER
486 CLL CML
487 JMP FINXX /RESET FINTMP TO 10
488\f /PUT A CHARACTER
489 /RETURNS TO .+1 IF ERR, .+2 IF NORMAL
490 /CALLED WITH CHAR IN AC
491
492FOCHAR, 0
493 DCA FOUTMP /SAVE CHAR
494 TAD FOCHAR
495 JMS SAVEDF /SAVE CALLING FIELD AND LOC
496FOLOOP, ISZ FOUJMP
497 ISZ FOCHCT /BUMP CHAR COUNT
498FOJMP, JMP FOUJMP /TAKE A BRANCH OF THE THREE-WAY JUMP
499 JMS I OHNDLR
500 4200
501FOUBUF, 1200
502FOUREC, 0
503 JMP DFSAVE /OUTPUT ERROR
504 ISZ FOUREC
505 JMS FOSETP
506 ISZ FOCCNT /BUMP FILE LENGTH
507 ISZ FOOCNT /ALSO ENTER COUNT
508 JMP FOLOOP /NOW GO PUT THE CHAR INTO THE NEW BUFFER
509 JMP DFSAVE /ENTER COUNT OVERFLOWED - ERROR RETURN
510
511FOUJMP, JMP . /THREE-WAY SWITCH
512 JMP FOUCH1
513 JMP FOUCH2
514FOUCH3, TAD FOUTMP
515 RTL
516 RTL
517 DCA FOUTMP
518 TAD FOUTMP
519 AND FI7400
520 TAD I FOPOLD /PUT HIGH ORDER BITS OF CHAR3
521 DCA I FOPOLD /INTO HIGH ORDER BITS OF CHAR 1
522 TAD FOUTMP
523 RTL
524 RTL
525 AND FI7400
526 TAD I FOUPTR /PUT LOW ORDER BITS OF CHAR 3
527 DCA I FOUPTR /INTO HIGH ORDER BITS OF CHAR 2
528 TAD FOJMP
529 DCA FOUJMP
530 ISZ FOUPTR
531 JMP DFEXIT /RETURN NORMALLY
532FOUCH2, TAD FOUPTR
533 DCA FOPOLD /SAVE POINTER TO CHAR 1
534 ISZ FOUPTR
535FOUCH1, TAD FOUTMP
536 DCA I FOUPTR /STORE CHAR 1 OR 2
537DFEXIT, ISZ CDZSKP /INCREMENT RETURN ADDR
538 JMP DFSAVE /AND GO THERE
539\fFOSETP, 0
540 TAD FO7177
541 DCA FOCHCT
542 TAD FOUBUF
543 DCA FOUPTR
544 TAD FOJMP
545 DCA FOUJMP
546 JMP I FOSETP
547
548FO7177, 7177
549FIN10, 10
550
551FENTER, TAD ELENGT /ELENGT=0 UNLESS SOME KLUDGE SETS IT UP
552 CIF 10 /FENTER JUMPED TO BY FASIGN
553 JMS I FI200
554 3
555FOONAM, 0 /FILE NAME IN LOCS 0-3
556FOOCNT, 0
557 ISZ CDZSKP /FOR ENTER, ERROR RETURN IS SKIP RETURN
558 TAD FOONAM
559 DCA FOUREC /INITIALIZE OUTPUT RECORD #
560 JMS FOSETP /SET UP CHARACTER POINTERS
561 DCA FOONAM /SET FOONAM FOR NEXT ENTER
562 TAD I PASPAG
563 JMP STOHND /GO TO COMMON CODE WITH "FCLOSE"
564PASPAG, ASPAGE
565
566FCLOSE, CIF 10 /JUMPED TO BY FASIGN
567 JMS I FI200 /CALL I/O MONITOR
568 4
569FOCNAM, 0 /FILE NAME IN 0-3
570FOCCNT, 0 /CLOSING LENGTH
571 ISZ CDZSKP /ERROR - BUMP RETURN
572STOHND, DCA OHNDLR
573 DCA FOCCNT /INITIALIZE CLOSING COUNT FOR NEXT FILE
574FRESET, CIF 10
575 JMS I FI200
576 13 /RESET ALL DEVICE HANDLER ENTRIES
577 0 /BUT RETAIN ANY OPEN OUTPUT FILES
578 JMP DFRSTR /RETURN FROM FASIGN AFTER KICKING MONITOR OUT
579FOUTMP= FICHAR
580FI7400, 7400
581 PAGE
582\f *1000
583PROPGT, 0 /CALLED FROM FIELD 1 LOADER WHEN 1ST
584 CDF 10 /CHECKING FOR I/O SWITCHES.
585 DCA I LTOPCOR /-# OF CORE FIELDS IN AC
586 TAD I LTOPCOR
587 DCA I LFCTR
588 TAD I LTOPCOR
589 CDF 0
590 CMA /GET # OF HI CORE FIELD
591PROPLP, DCA FC
592 CLA CMA
593 TAD FC
594 SNA CLA
595 JMP FIELD1
596 TAD FC
597 JMS CHGBNK
598 JMS STOBNK
599 CLA CMA
600 TAD FC
601 JMP PROPLP
602FIELD1, CLA IAC
603 JMS CHGBNK
604 JMS I LSHNDLR
605 4100
606 0
607 MTEMP
608 JMP I LLWOWIE
609 JMS I LSHNDLR
610 4201
611 400
612 MTEMP+21 /WRITE OUT RUN-TIME ROUTINES
613 JMP I LLWOWIE
614 JMS CHGBNK
615 TAD L6001
616 DCA I LJSBITS
617 TAD L6213
618 DCA I LJSTFLD
619 TAD LLRSTRT
620 DCA I LJSTADR
621 CDF CIF 10 /PROPGT IS CALLED FROM FIELD 1 ONLY
622 JMP I PROPGT
623FC, 0
624\fCHGBNK, 0
625 CLL RTL
626 RAL
627 TAD LCDF
628 DCA X1
629 TAD X1
630 DCA LINK+1
631 TAD X1
632 DCA RTN+1
633 TAD X1
634 DCA CDFSKP+2
635 TAD X1
636 DCA OBISUB+1
637 TAD X1
638 DCA OPISUB+1
639 TAD X1
640 DCA DUMSUB+1
641 JMP I CHGBNK
642
643STOBNK, 0
644 TAD LLINK1
645 DCA X2
646 TAD X2
647 DCA X3
648 TAD LLINK2
649 DCA X4
650 TAD X1
651 DCA STOCDF
652STOLUP, CDF 0
653 TAD I X2
654STOCDF, HLT
655 DCA I X3
656 ISZ X4
657 JMP STOLUP
658 CDF 0
659 JMP I STOBNK
660SYSLIB, TEXT /LIB8/
661 2214 /.RL
662
663LTOPCOR,TOPCOR
664LSHNDLR,SHNDLR
665LFCTR, FCTR
666LLWOWIE,LWOWIE
667L6001, 6001
668LJSBITS,JSBITS
669LJSTADR,JSTADR
670LJSTFLD,JSTFLD
671L6213, 6213
672LCDF, CDF
673LLINK1, LINK-1
674LLINK2, LINK-MDUMP-2
675\fLDRZZ1, CDF 10 /COME HERE IF NOT CHAINED TO
676 DCA I LMOFIL
677 ISZ LMOFIL
678 ISZ LMOCNT
679 JMP .-3
680 CLA CLL CMA RAL /-2
681 DCA I LDOPRP
682 CDF 00
683 JMP I .+1
684 LDRYYY
685LMOFIL, 7600
686LMOCNT, -47
687LLRSTRT,LRSTRT
688LDOPRP, DOPROP
689FORTRL, FILENAME FORTRL.TM
690 PAGE
691\f *1200 /LINKING LOADER SUBROUTINES FOR /I AND /O OPTIONS
692INPENB, 0
693 ISZ INPFLG
694 JMP INRTRN /ALREADY HAVE A /I
695 JMS TWOPAG /HAS USER SPECIFIED 2-PG. HNDLRS?
696 TAD OUPFLG
697 SPA CLA
698 JMP INVRGN
699 TAD K2200
700 DCA INHNDL
701 TAD (FINBUF
702 DCA I (ST1600 /MARK THE INPUT BUFFER IN PAGE 1600
703 TAD K2377
704 JMS SETHLA
705INRTRN, CDF CIF 10
706 JMP I INPENB
707
708INVRGN, TAD K1000
709 DCA INHNDL
710 TAD K1577
711 JMP INRTRN-1
712
713OUPENB, 0
714 ISZ OUPFLG
715 JMP OURTRN
716 JMS TWOPAG /HAS USER SPECIFIED 2 PG. HNDLRS?
717 TAD INPFLG
718 SPA CLA
719 JMP OUVRGN
720 TAD K2200
721 DCA OUHNDL
722 TAD (FOUBUF
723 DCA I (ST1600 /MARK OUTPUT BUFFER IN 1600
724 TAD K2377
725 JMS SETHLA
726OURTRN, CDF CIF 10
727 JMP I OUPENB
728
729OUVRGN, TAD K1000
730 DCA OUHNDL
731 TAD K1577
732 JMP OURTRN-1
733
734INPFLG, -1
735OUPFLG, -1
736K1000, 1000 /SET TO 1001 FOR 2 PAGE HANDLERS
737K2200, 2200 /SET TO 2401 FOR 2 PAGE HANDLERS.
738K2377, 2377 /SET TO 2577 FOR 2 PAGE HANDLERS.
739K1577, 1577 /SET TO 1777 FOR 2 PAGE HANDLERS.
740\f/SUBROUTINE TO CHECK FOR /H SWITCH MEANING USER
741/WANTS RUN TIME DEVICE INDEPENDENT I/O TO
742/BE ABLE TO USE 2 PAGE DEVICE HANDLERS
743/
744TWOPAG, 0
745 CDF 10
746 TAD I (MPARAM
747 AND (20 /IS /H SWITCH SET?
748 SNA CLA
749 JMP I TWOPAG /NO-RETURN (DATA FLD=1)
750 TAD (1001 /YES-RESET HANDLR FETCH TO ACCEPT
751 DCA K1000 /TWO PAGE HANDLERS
752 TAD (2401 /RESET FETCH FOR SECOND HANDLER
753 DCA K2200
754 TAD (2777
755 DCA K2377 /RESET HLA CONSTANT FOR 2 PG HANDLRS
756 TAD (1777
757 DCA K1577 /RESET 2ND HLA CONSTANT FOR 2 PG
758 TAD (2000
759 DCA I (K1600 /RESET BUFR. ADDRESS-SEE *LDRXIT*
760 CDF 00
761 TAD (1400
762 DCA I (FINBUF /RESET IN AND OUT BUFFER ADDRESSES
763 TAD (1400 /TO MAKE ROOM FOR 2 PG HANDLR
764 DCA I (FOUBUF
765 CDF 10
766 JMP I TWOPAG /RETN. DATA FLD=1
767
768SETHLA, 0
769 DCA I (HLAZ
770 TAD I (HLAZ
771 CIA
772 DCA I (HLAIO
773 CDF 0
774 JMP I SETHLA
775BATCK, 0
776 CDF 0
777 TAD I (7777
778 AND (70
779 SNA
780 JMP I BATCK
781 CLL RTR
782 RAR
783 CMA
784 DCA TMPC
785 TAD I (7777
786 RAL
787 SPA CLA
788 IAC
789 TAD TMPC
790 JMP I (FOUNDX
791TMPC, 0
792 PAGE
793\f FIELD 1
794/FIELD 1 PAGE 0 EQUIVALENCES - FIT INTO USR CRACKS
795
796 DEVHND=20
797 BANK=21
798 TM1=22
799 TM2=23
800 RECNO=24
801 OVLYFG=25
802 CUR=26
803 WORD=27
804 HLAPTR=30
805 HLA=31
806 RCON=32
807 COML=33 /HI COMMON LOC, 0 IF NONE
808 TYPE=34
809 CSUM=35
810 NSUB=36
811
812 *3600
813LRSTRT, DCA I (MIFILE
814LDRZZZ, JMS I (IONULL
815LDRXXX, TAD (MIFILE
816 DCA FILPTR
817 DCA OVLYFG
818 DCA I (WRBFSW
819 JMS I (START
820 JMP IOCHEK /GO TEST FOR /I, /O ALD /0-7
821LDRLP, DCA BANK
822 TAD I FILPTR
823 SNA
824 JMP GETCD
825 JMS GETHND
826 TAD I FILPTR
827 ISZ FILPTR
828 DCA RECNO
829 TAD I (MPARAM
830 RAR
831 SZL CLA
832 JMP I (LBRY
833 JMS I (LOAD
834 JMP LDRLP
835GETCD, TAD I (MPARAM+3
836 SNA
837 JMP LKATMP
838 DCA I (LSTADR
839 TAD I (MPARAM-1
840 CLL RAL
841 AND (17
842 CLL RTL
843 TAD (CDF CIF 0
844 DCA I (LSTFLD /FALL INTO NEXT PAGE
845\fLKATMP, JMS I (WRPGBF
846 TAD I (MPARAM
847 AND (40
848 SZA CLA
849 JMP BUILD
850 TAD I (MPARAM-1
851 SPA CLA
852 JMP BUILD
853 JMS MAP
854CDCALL, JMS I (200
855 5
856 2214
857 TAD I (MPARAM+1
858 AND (100
859 SZA CLA
860 JMP LDRZZZ
861IOCHEK, JMS I (IOTEST
862 DCA TM1
863 TAD (MIFILE
864 DCA FILPTR
865 TAD I (MPARAM+2
866 AND (1774
867 SNA
868 JMP LDRLP
869 RAL
870 ISZ TM1
871 SNL
872 JMP .-3
873 CLA CMA CLL RTL
874 TAD TM1
875 JMP LDRLP
876FILPTR, 0
877MAP, 0
878 TAD I (MPARAM+1
879 AND (4410 /"M","P" AND "U" OPTIONS
880 SNA
881MAPRTN, JMP I MAP
882 CLL RTR
883 RTR
884 AND (200
885 SZA CLA
886 CLL CML IAC
887 CML RAL /FORM 0 IF /U, 1 IF /P AND 2 IF /M
888 DCA TM1
889 JMP I (MAPIO
890\fBUILD, TAD (SHNDLR
891 DCA DEVHND
892 TAD PSYSLB
893 SZA
894 JMS I (LBSRCH
895 JMS MAP
896 JMP I (BUILDX
897PSYSLB, 0
898
899GETHND, 0
900 AND (17
901 DCA I (EASGN
902 TAD (401
903 DCA LASGN
904 TAD I (EASGN
905 ISZ FILPTR
906 JMS I (200
907 1 /ASSIGN
908LASGN, 401
909 JMP I (HNDERR /BAD HANDLER
910 TAD LASGN
911 DCA DEVHND
912 JMP I GETHND
913 PAGE
914\fBUILDX, TAD LSTADR
915 SZA CLA
916 JMP ALREDY
917 TAD (MAIN-1
918 DCA X1
919 JMS I (SETS1
920 JMS I (SEARCH
921 JMP I (ERSTAD
922 TAD (TVEC-1
923 TAD I (SYMNUM
924 DCA TM1
925 CDF 0
926 TAD I TM1
927 SNA
928 JMP I (ERSTAD
929 DCA LSTADR
930 TAD TM1
931 TAD (7700
932 DCA TM1
933 CLA CLL CML RTL /CHANGE CDF TO CDF CIF
934 TAD I TM1
935 DCA LSTFLD
936ALREDY, CDF 10
937 JMS I (WROVLY
938 TAD (1400
939 JMS STOINF
940 DCA OLDT9
941 TAD (HLA7
942 DCA TM1
943 TAD (-10
944 DCA X3
945 DCA I X1
946 DCA X4
947BLDLP, CLA CLL CML RTL
948 TAD X3
949 SNA CLA
950 JMP BFLD1 /TREAT FIELD 1 (COMMON AREA) DIFFERENTLY
951BLDLPX, TAD I TM1
952 AND (7600
953 SNA
954 JMP BLDSKP
955BLDLPY, TAD (170
956 CLL CML CMA RTR
957 RTR
958 TAD X3
959 CLL CMA RTL
960 RAL
961 DCA I X1
962 DCA I X1
963 ISZ X4
964BLDSKP, CLA CMA
965 TAD TM1
966 DCA TM1
967 ISZ X3
968 JMP BLDLP
969 TAD X4
970 CIA
971 DCA I (1400
972 CIF 0
973 JMS I (SHNDLR
974 4210
975 1200
976 MTEMP+10
977 HLT
978 CDF 0
979 TAD (JSTFLD-1
980 JMS STOINF
981 TAD LSTADR
982 DCA I (MSTADR
983 TAD LSTFLD
984 DCA I (MSTCDF
985 JMP I (LDRXIT
986
987BFLD1, TAD COML
988 SNA /IS THERE ANY COMMON?
989 JMP BLDLPX /NO
990 CLL CMA
991 TAD I TM1
992 SNL CLA /IS THERE ANY CODE IN FIELD 1?
993 JMP BLDSKP /NO
994 TAD (110 /SAVE FIELD 1 IN TWO SEGMENTS - PAGE 0 AND
995 DCA I X1 /THE CODE FOLLOWING THE END OF THE COMMON AREA
996 ISZ X4 /(THIS IS TO ENABLE "CHAIN" TO WORK PROPERLY)
997 TAD COML
998 IAC
999 DCA I X1
1000 TAD COML
1001 CMA
1002 TAD I TM1
1003 AND (7600
1004 JMP BLDLPY
1005\fCVTREC, 0
1006 TAD CUR
1007 CLL RTL
1008 RTL
1009 RAL
1010 AND (7
1011 JMP I CVTREC
1012
1013STOINF, 0
1014 DCA X1
1015 TAD LSTFLD
1016 DCA I X1
1017 TAD LSTADR
1018 DCA I X1
1019 DCA I X1
1020 JMP I STOINF
1021LSTADR, 0
1022LSTFLD, 0
1023 PAGE
1024
1025\fMAPIO, TAD I ML7600
1026 SNA
1027 TAD TTYNO /TELETYPE IS DEFAULT LISTING DEVICE
1028 JMS I (GETHND
1029 TAD I ML7604 /PICK UP EXTENSION WORD.
1030 SNA /NON-ZERO?
1031 TAD (1520 /NO-SUPPLY '.MP' EXTENSION.
1032 DCA I ML7604 /YES-LEAVE ALONE
1033 TAD ML7601
1034 DCA MNAME
1035 TAD I (EASGN
1036 TAD (100 /4 SHIFTED LEFT INTO THE "DESIRED LENGTH" POSITION
1037 JMS I (200
1038 3
1039MNAME, 0
1040MECNT, 0
1041 JMP I (OUERR
1042 TAD MNAME
1043 DCA ORECNO
1044 JMS OUSETP
1045 DCA MCCNT
1046 TAD (OCHAR
1047 DCA TYPE
1048 TAD TM1
1049 CLL CML RAR
1050 JMP I (MAPX
1051OCHAR, 0
1052 DCA OUTEMP
1053 ISZ OJMP
1054 ISZ OCHCNT
1055OJMPE, JMP OJMP
1056 CIF 0
1057 JMS I DEVHND
1058 4210
1059OUBUF, 4600
1060ORECNO, 0
1061 JMP I (OUERR
1062 ISZ ORECNO
1063 ISZ MCCNT
1064 JMS OUSETP
1065 ISZ MECNT
1066 JMP OCHAR+2
1067 JMP I (OUERR
1068\fOUSETP, 0
1069 TAD (-601
1070 DCA OCHCNT
1071 TAD OUBUF
1072 DCA OUPTR
1073 TAD OJMPE
1074 DCA OJMP
1075 JMP I OUSETP
1076
1077OJMP, HLT /THREE-WAY JUMP FOR CHAR OUTPUT
1078 JMP OCHAR1
1079 JMP OCHAR2
1080OCHAR3, TAD OJMPE
1081 DCA OJMP
1082 TAD OUTEMP
1083 RTL
1084 RTL
1085 DCA OUTEMP
1086 TAD OUTEMP
1087 AND OU7400
1088 TAD I OUPOLD
1089 DCA I OUPOLD
1090 TAD OUTEMP
1091 RTL
1092 RTL
1093 AND OU7400
1094 TAD I OUPTR
1095 DCA I OUPTR
1096 ISZ OUPTR
1097 JMP OUCOM
1098OCHAR2, TAD OUPTR
1099 DCA OUPOLD
1100 ISZ OUPTR
1101OCHAR1, TAD OUTEMP
1102 AND OU377
1103 DCA I OUPTR
1104OUCOM, JMP I OCHAR
1105OCHCNT, 0
1106 OUPOLD=OUSETP
1107OUTEMP, 0
1108OU7400, 7400
1109OUPTR, 0
1110OU377, 377
1111\f/CLOSE OUTPUT FILE
1112
1113OCLOS, TAD (232
1114 JMS OCHAR
1115 TAD OCHCNT
1116 CMA
1117 SZA CLA
1118 JMP .-4
1119 JMS OCHAR
1120 TAD I (EASGN
1121 JMS I (200
1122 4
1123ML7601, 7601
1124MCCNT, 0
1125 JMP I (OUERR
1126 TAD (TTYOUT
1127 DCA TYPE
1128 JMP I (MAPRTN
1129
1130TTYOUT, 0
1131 6046
1132 6041
1133 JMP .-1
1134ML7600, 7600
1135 JMP I TTYOUT
1136TTYNO, 0 /SET TO TTY DEVICE NUMBER BY INITIALIZATION
1137IONULL, 0
1138 TAD ML7600
1139 DCA I (HLASZA
1140ML7604, 7604 /POINTER TO FILE EXT. WORD
1141 JMP I IONULL
1142 PAGE
1143\fLOAD, 0
1144 DCA LREQUR
1145 TAD BANK
1146 TAD (HLAZ
1147 DCA HLAPTR
1148 JMS I (SETRCN /SET UP HLA AND RCON
1149 TAD RCON
1150 CLL CML
1151 TAD LREQUR
1152 TAD (400
1153 SNL SZA CLA
1154 JMP LFAILD
1155 TAD RECNO
1156 DCA LRECNO
1157 CLA CMA
1158 DCA INCHCT
1159 JMS ICHAR
1160 SNA CLA
1161 JMP .-2
1162 JMP I (MORE
1163
1164ICHAR, 0
1165 TAD XX7600 /PARITY TTY HACK
1166 KRS
1167 TAD (-7603
1168 SNA CLA
1169 KSF
1170 SKP
1171 JMP I (MGET /17667=07605
1172 ISZ IJMP
1173 ISZ INCHCT
1174IJMPE, JMP IJMP
1175 CIF 0
1176 JMS I DEVHND
1177INCTLW, 0410
1178INBUF, 4600
1179LRECNO, 0
1180 JMP INCKEF
1181INISZ, ISZ LRECNO
1182 ISZ LRECNO
1183 TAD IN6377
1184 DCA INCHCT
1185 TAD INBUF
1186 DCA INPTR
1187 TAD IJMPE
1188 DCA IJMP
1189 JMP ICHAR+1
1190\fIJMP, HLT /THREE-WAY JUMP FOR CHAR INPUT
1191 JMP ICHAR1
1192 JMP ICHAR2
1193ICHAR3, TAD IJMPE
1194 DCA IJMP
1195 TAD I INPTR
1196 ISZ INPTR
1197 AND IN7400
1198 CLL RTR
1199 RTR
1200 TAD INTEMP
1201 RTR
1202 RTR
1203 JMP INCOM
1204ICHAR2, TAD I INPTR
1205 ISZ INPTR
1206 AND IN7400
1207 DCA INTEMP
1208ICHAR1, TAD I INPTR
1209INCOM, AND IN377
1210 JMP I ICHAR
1211INCKEF, SMA CLA
1212 JMP LRECNO+2
1213 JMP I (INERR
1214INPTR, 0
1215INCHCT, 0
1216INTEMP, 0
1217IN7400, 7400
1218IN377, 377
1219IN6377, 6377
1220\fXX7600,
1221XER2, 7600
1222 TAD EASGN
1223 TAD (DCB-1
1224 DCA TM2
1225 TAD I TM2
1226 SPA CLA
1227 JMP DIRDEV
1228 TAD (2205
1229 JMS I (TTWO
1230 TAD (1417
1231 JMS I (TTWO
1232 TAD (0104
1233 JMS I (TTWO
1234 JMS I (CRLF
1235DIRDEV, TAD I HLAPTR
1236 ISZ BANK
1237 CMA
1238 AND XX7600
1239 JMP LOAD+1
1240LFAILD, ISZ BANK
1241 JMP LOAD+2
1242EASGN, 0
1243LREQUR, 0
1244LOADOK, JMS I (WRPGBF
1245 JMP I LOAD
1246
1247SETS1, 0
1248 TAD (S1-1
1249 DCA X2
1250 TAD I X1
1251 DCA I X2
1252 TAD I X1
1253 DCA I X2
1254 TAD I X1
1255 DCA I X2
1256 JMP I SETS1
1257 PAGE
1258\f/ 4600-5177 USED FOR LOADER MAP OUTPUT BUFFER
1259/ 5200-5577 USED FOR LIBRARY DIRECTORY BUFFER
1260
1261 *5600
1262
1263/** CAN ONLY USE FIRST HALF OF THIS PAGE - 2ND HALF IS PART OF MST
1264/** NO LITERALS IN THIS PAGE!
1265
1266LBRY, TAD RECNO
1267 JMS LBSRCH
1268 JMP I .+1
1269 GETCD
1270
1271LBSRCH, 0 /LIBRARY SEARCH ROUTINE
1272 DCA LBREC /SAVE START BLK OF LIBRARY
1273 CIF 0
1274 JMS I DEVHND /READ LIBRARY DIRECTORY
1275LBCTLW, 0210
1276L5200, 5200
1277LBREC, 0
1278 JMP I LIOERR
1279 TAD LBCTLW
1280 DCA I LINCTL
1281 TAD L7177
1282 DCA I LIN6377
1283 DCA I LINISZ
1284 TAD L5177
1285 DCA X1 /INITIALIZE FOR SEARCH
1286LBRYLP, JMS I LSETS1 /GET NEXT DIRECTORY ENTRY
1287 TAD I X1
1288 SNA
1289 JMP I LBSRCH /END OF DIRECTORY
1290 TAD L5200
1291 DCA LBFPTR
1292 JMS I LSEARCH /IS IT IN SYMTAB?
1293 JMP LBRYLP /NO
1294 TAD I LSYMNUM
1295 TAD LTVEC1
1296 DCA TM1
1297 CDF 0
1298 TAD I TM1
1299 CDF 10
1300 SZA CLA /IS SYMBOL ALREADY DEFINED?
1301 JMP LBRYLP /YES
1302LBLDLP, TAD I LBFPTR /GET MODULE TO LOAD
1303 SNA
1304 JMP LBRYLP-2 /NO MORE MODULES TO LOAD
1305 AND L177
1306 IAC
1307 TAD LBREC
1308 DCA RECNO
1309 DCA BANK
1310 TAD I LBFPTR
1311 AND L7600
1312 JMS I LLOAD /LOAD LIBRARY MODULE
1313 ISZ LBFPTR
1314 JMP LBLDLP /GET NEXT MODULE
1315
1316LBFPTR, 0
1317LIOERR, INERR
1318LINCTL, INCTLW
1319L7177, 7177
1320LIN6377, IN6377
1321L5177, 5177
1322LSETS1, SETS1
1323LSEARCH, SEARCH
1324L177, 177
1325L7600, 7600
1326LLOAD, LOAD
1327LSYMNUM, SYMNUM
1328LINISZ, INISZ
1329LTVEC1, TVEC-1
1330 IFZERO .-5700&4000 <LBRERR, _ERROR>
1331\f/MAIN LOADING CODE
1332/MODIFIED VERSION OF
1333/PAPER-TAPE LINKING LOADER
1334
1335/DEFINITIONS
1336
1337BCRT= 200
1338TVEC= 300
1339ORGT= 100 /LOCAL SYMBOL TABLE NOW IN FIELD 0
1340MST= 6177 /MAIN SYMBOL TABLE
1341
1342*6200
1343
1344/START OF PROGRAM - INITIALIZATION
1345
1346START, 0
1347 TAD K7600 /SET COUNTER FOR 200
1348 DCA NSUB
1349 TAD BCRTA /POINTER TO BANK TABLE
1350 DCA X3
1351 CDF 00
1352 DCA I X3 /CLEAR BANK TABLE & TV TABLE
1353 ISZ NSUB
1354 JMP .-2 /NOT DONE
1355 CDF 10
1356 TAD M10
1357 DCA NSUB
1358 TAD HLAZA
1359 DCA X3
1360 TAD K777
1361 DCA I X3 /BANK0 HIGHEST LOADED ADDR. =777
1362 ISZ NSUB /NSUB INCREMENTS TO ZERO
1363 JMP .-2
1364 DCA COML /INIT. OLD COMMON AT 0000
1365 JMP I START
1366\f/REENTRY FOR NEXT ROUTINE TO BE LOADED
1367
1368MORE, DCA LMTC /CLR LOCAL SYMBOL COUNT
1369 DCA CSUM /CLR CHECKSUM
1370 TAD MORE1A /SET FOR RETURN TO MORE1 IF LEADER
1371 DCA EOF
1372MORE1, JMS RWORD
1373 TAD RC10A /RESET EOF TO WATCH FOR TRAILER
1374 DCA EOF
1375 TAD CODE /CK FOR HIGH COMMON
1376 TAD M12
1377 SZA CLA
1378 JMP I ER5P /NOT THERE
1379 TAD COML
1380 CIA
1381 CLL CML /IF NO COMMON EXISTS, OR
1382 TAD WORD /IF NEW COMMON .LE. OLD IT'S
1383 SNL SZA CLA /OK, ELSE ERROR
1384 JMP I ER3P
1385 TAD COML
1386 SNA CLA
1387 TAD WORD /IF NO PREVIOUS COMMON AND IF
1388 AND K7600 /THIS PROGRAM HAS COMMON ABOVE 177
1389 SNA /THEN SET COMMON LIMIT TO LIMIT OF THIS PROG
1390 JMP GETSW
1391 AND K7400
1392 TAD K377 /HIGH COMMON MUST BE AT A MULTIPLE OF 400
1393 DCA COML
1394 TAD I HLA1P /IF WE HAVE LOADED
1395 SZA CLA /ANY CODE INTO FIELD 1
1396 JMP I ER3P /IT'S AN ERROR
1397 TAD COML /SET BANK1 HIGHEST LOADED ADDRESS
1398 DCA I HLA1P
1399 JMS I (SETRCN /SET UP HLA AND RCON AGAIN JUST IN CASE
1400GETSW, TAD BANK /BANK NUMBER
1401 TAD TOPCOR /OK FOR NON-EX. MEM.
1402 SMA CLA
1403 JMP I ER2I /TOO BIG
1404/
1405/MAIN LOADING LOOP
1406/
1407LOOP, JMS RWORD
1408 TAD BASE /LOCATE CORRECT FUNCTION
1409 TAD CODE /IN TRANSFER TABLE
1410 DCA CODE
1411CODE, 0 /TRANSFER TO APPROPRIATE ADDRESS
1412\f/READ 12-BIT COMPUTER WORD & 4-BIT RELOCATION CODE
1413/FROM 2 INPUT CHARACTERS
1414
1415RWORD, 0
1416 JMS I HSRPA /FIRST FRAME
1417 DCA WORD
1418 TAD WORD /EXTRACT RELOC. CODE
1419 RTR
1420 RTR
1421 AND K17
1422 DCA CODE
1423 TAD CODE /CK FOR LEADER
1424 TAD M10
1425 SNA CLA
1426 JMP I EOF /YES
1427 TAD WORD /ADD TO CHECKSUM
1428 TAD CSUM
1429 DCA CSUM
1430 JMS FORMWD
1431 JMS I RCHARP
1432 TAD WORD
1433 DCA WORD
1434 JMP I RWORD
1435
1436FORMWD, 0
1437 TAD WORD
1438 RTR
1439 RTR
1440 RAR
1441 AND K7400 /ISOLATE HI 4 BITS
1442 DCA WORD /FROM 1ST CHAR
1443 JMP I FORMWD
1444
1445/DATA
1446
1447EOF, 0
1448LMTC, 0
1449K17, 17
1450K377, 377
1451K777, 777
1452K7400, 7400
1453K7600, 7600
1454M10, -10
1455M12, -12
1456BASE, JMP I TRTAB
1457BCRTA, BCRT-1
1458HLAZA, HLAZ-1
1459HSRPA, ICHAR
1460MORE1A, MORE1
1461RCHARP, RCHAR
1462TOPCOR, 0
1463HLA1P, HLA1
1464ER2I, ER2
1465\f/RELOCATION CODE TRANSFER TABLE
1466
1467TRTAB, RC0 /LOAD AS IS
1468 RC1 /ADD RELOCATION CONSTANT
1469 ER5
1470 RC3 /DEFINE SYMBOL
1471 RC4 /ORIGIN
1472 RC5 /CDF TO CURRENT BANK
1473 RC6 /REPLACE LOCAL # WITH GLOBAL #
1474 ER5
1475RC10A, RC10 /LEADER-TRAILER
1476 ER5
1477ER3P, ER3 /HIGH COMMON
1478ER5P, ER5
1479 ER5
1480 ER5
1481 ER5
1482 RC17 /EXTERNAL SYMBOL SPECIFICATION
1483 PAGE
1484\f/NEW ORIGIN
1485
1486RC4, TAD WORD /NEW ORIGIN
1487 CLL
1488 TAD RCON /+ RELOCATION CONSTANT
1489 DCA CUR /= NEW LOADING ADDRESS
1490 SZL
1491 JMP I OVERFP /FIELD OVERFLOW
1492 JMP I LOOPP1
1493/
1494/CHANGE CDF TO CURRENT BANK
1495/
1496RC5, TAD BANK /MOVE BANK TO BITS 6-8
1497 CLL RTL
1498 RAL
1499 TAD WORD /PICK UP CDF
1500 JMP RC1+2
1501/
1502/REPLACE LOCAL EXTERNAL SYMBOL NUMBER WITH GLOBAL EXT. SYM. NO.
1503/
1504RC6, TAD WORD
1505 AND K77 /EXTRACT LOCAL NUMBER
1506 DCA B1
1507 TAD B1 /CK IF LOCAL # .LE. LOCAL SYM. COUNT
1508 CIA
1509 TAD I LMTCP1
1510 SPA CLA
1511 JMP I ER5I /NO
1512 TAD B1 /ADD LOCAL # TO BASE OF TABLE
1513 TAD ORGTA
1514 DCA B1
1515 TAD WORD /LOAD ARG COUNT
1516 AND K7700
1517KCDF, CDF 0
1518 TAD I B1 /+ GLOBAL #
1519 CDF 10
1520 JMP RC1+2 /AT CURRENT LOADING ADDRESS
1521\f/ADD RELOCATION CONSTANT TO WORD
1522
1523RC1, TAD WORD
1524 TAD RCON
1525 DCA WORD
1526/
1527/LOAD WORD DIRECTLY AS IT IS
1528/
1529RC0, TAD HLA /CK FOR CURRENT ADDRESS TO LOAD
1530 CIA CLL /.GE. HIGHEST ALREADY LOADED
1531 TAD CUR
1532 SNL CLA
1533 JMP .+3 /NO
1534 TAD CUR /YES, RESET HIGHEST
1535 DCA HLA
1536 CLL
1537 TAD CUR /CK FOR ATTEMPT TO LOAD TOP PAGE
1538 TAD K200
1539 SZL CLA
1540 JMP I OVERFP /YES, ROUTINE IS TOO BIG
1541 CLA CMA
1542 TAD BANK
1543 SZA CLA
1544 JMP JUSTLD
1545 CLL CML CLA RTR
1546 TAD CUR
1547 SZL SPA CLA
1548 JMP GT2000
1549 TAD OVLYFG
1550K7700, SMA CLA
1551 JMP OFFSET
1552 JMS I (CVTREC
1553 TAD (-11
1554 JMP PAGEX2
1555GT2000, TAD CUR
1556 CLL
1557 TAD (-3600
1558 SZL CLA
1559 JMP PAGEX1
1560 JMS I (WROVLY
1561 CLA CMA
1562 DCA OVLYFG
1563 JMP JUSTLD
1564PAGEX1, TAD K200
1565 JMS I (CVTREC
1566PAGEX2, TAD (MTEMP+11
1567 JMS I (WRPGBF
1568 CLA CLL CML RTR
1569 TAD CUR
1570 SZL SPA CLA
1571 TAD K200
1572 TAD CUR
1573 AND (377
1574 TAD (1400
1575 JMP JUSTLD+1
1576OFFSET, CLA IAC
1577 DCA OVLYFG
1578 TAD (1600
1579JUSTLD, TAD CUR
1580 DCA CURX
1581 TAD BANK
1582 CLL RTL
1583 RAL
1584 TAD KCDF
1585 DCA .+2
1586 TAD WORD
1587 HLT
1588 DCA I CURX
1589 CDF 10
1590 ISZ CUR
1591 JMP I LOOPP1
1592CURX, 0
1593/
1594/DATA
1595/
1596K77, 77
1597K200, 200
1598ER5I, ER5
1599LMTCP1, LMTC
1600LOOPP1, LOOP
1601ORGTA, ORGT
1602OVERFP, OVERFL
1603HLAZ, 0 /HLA GROUP MUST REMAIN IN GIVEN ORDER
1604HLA1, 0
1605HLA2, 0
1606HLA3, 0
1607HLA4, 0
1608HLA5, 0
1609HLA6, 0
1610HLA7, 0
1611B1,
1612
1613HLATST, 0
1614 TAD HLAZ
1615 TAD HLAIO
1616HLASZA, SZA CLA /SET TO CLA BY /R AND RESTART
1617 JMP I (UIOERR
1618 JMP I HLATST
1619HLAIO, -777
1620 PAGE
1621\f/SYMBOL DEFINITION
1622
1623RC3, JMS I GTSYMP
1624 TAD TVM1 /ADJUSTED BASE OF TRANSFER VECTOR TABLE
1625 TAD SYMNUM /+ NUM. OF SYMBOL IN MST
1626 DCA C1
1627 TAD RCON /LOADING ADDRESS OF THE SYMBOL
1628 TAD WORD
1629 CDF 00
1630 DCA I C1 /TO THE TRANS. VEC. TABLE
1631 TAD C1 /GET POINTER INTO TRANSFER VECTOR TABLE
1632 TAD M100A /FORM CORRESPONDING POINTER INTO BANK TABLE
1633 DCA C1 /=PTR. TO BANK TABLE STORAGE
1634 TAD BANK /GET BANK IN BITS 6-8
1635 CLL RTL
1636 RAL
1637 DCA I C1 /STORE IN BANK TABLE
1638 CDF 10
1639RC3A, TAD NSUB /CHECK FOR TOO MANY SYMBOLS
1640 TAD M100A
1641 SPA SNA CLA
1642 JMP I LOOPP2 /NO
1643 JMP ER1
1644/
1645/TRANSFER VECTOR
1646/
1647RC17, TAD WORD /COUNTER OF SYMBOLS TO COME
1648 CIA
1649 DCA C2
1650RC17A, JMS I GTSYMP
1651 ISZ I LMTCP2 /INC. LOCAL SYM. CTR.
1652 TAD ORGTA2 /GET PTR TO STORAGE IN ORIG. TABLE
1653 TAD I LMTCP2
1654 DCA C1
1655 CMA /SYM. # -1 TO ORIG. TABLE
1656 TAD SYMNUM
1657 CDF 0
1658 DCA I C1
1659 CDF 10
1660 ISZ C2 /CK CTR.
1661 JMP RC17A /NOT DONE
1662 JMP RC3A
1663\f/ERRORS
1664
1665SIOERR,
1666H7600, 7600
1667 DCA ERBACK
1668 IAC
1669HNDERR, IAC
1670ERSTAD, IAC
1671INERR, IAC
1672OUERR, IAC
1673ER5, IAC /ILLEGAL INPUT FORMAT
1674ER4, IAC /CHECKSUM ERROR
1675ER3, IAC /HIGHEST COMMON NOT FIRST
1676ER2, IAC /PROGRAM TOO LARGE
1677ER1, IAC /SYMBOL TABLE OVERFLOW
1678UIOERR, DCA C3
1679 JMS CRLF
1680 TAD K0522 /"ER"
1681 JMS TTWO
1682 TAD K2217 /"RO"
1683 JMS TTWO
1684 TAD K2240 /"R "
1685 JMS TTWO
1686 TAD C3 /#
1687 JMS TOCT
1688 JMS I (WRPGBF
1689ERBACK, JMP I (CDCALL
1690 CDF CIF 0
1691 JMP I H7600 /RETURN TO MONITOR
1692/
1693/TYPE A CARRIAGE RETURN & LINE FEED
1694/
1695CRLF, 0
1696 TAD K215
1697 JMS I TYPE
1698 TAD K212
1699 JMS I TYPE
1700 JMP I CRLF
1701/
1702/UNPACK & TYPE 2 6-BIT CHARACTERS
1703/
1704TTWO, 0
1705 DCA C1
1706 CMA /SET FLAG FOR 1ST CHARACTER
1707 DCA C2
1708 TAD C1 /MOVE LEFT HALF DOWN
1709 RTR
1710 RTR
1711 RTR
1712 SKP
1713TTWO1, TAD C1 /GET RIGHT HALF
1714 AND C77
1715 TAD M40 /200 OR 300 GROUP?
1716 SPA
1717 TAD K100 /300 + 6BIT
1718 TAD K2240 /200 + 6BIT
1719 JMS I TYPE
1720 ISZ C2 /2ND CHARACTER DONE?
1721 JMP I TTWO
1722 JMP TTWO1 /NO
1723/
1724/TYPE OCTAL CONTENTS OF AC
1725/
1726TOCT, 0
1727 DCA C1
1728 TAD M4B
1729 DCA C2
1730TOCT1, TAD C1 /MOVE NEXT DIGIT INTO BITS 9-11
1731 RTL
1732 RAL
1733 DCA C1
1734 TAD C1 /GET DIGIT
1735 RAL
1736 AND KK7
1737 TAD C260 /CONVERT TO ASCII
1738 JMS I TYPE
1739 ISZ C2
1740 JMP TOCT1 /MORE TO GO
1741 JMP I TOCT
1742/
1743/DATA
1744/
1745C1, 0
1746C2, 0
1747C3,
1748SYMNUM, 0
1749KK7, 7
1750C77, 77
1751K100, 100
1752K212, 212
1753K215, 215
1754C260, 260
1755K0522, 0522
1756K2217, 2217
1757K2240, 2240
1758M4B, -4
1759M40, -40
1760M100A, -100
1761GTSYMP, GETSYM
1762LMTCP2, LMTC
1763LOOPP2, LOOP
1764ORGTA2, ORGT
1765TVM1, TVEC-1
1766 PAGE
1767\f/STORE OR LOOK UP SYMBOL IN SYMBOL TABLE
1768
1769DEFN, 0
1770
1771/READ A SYMBOL FROM INPUT ASCII - 6 FRAMES
1772
1773 CLA CLL CMA RTL
1774 DCA D1
1775 TAD S1A /POINTER TO 3 WORD BUFFER
1776 DCA X3
1777RSYM1, JMS RCHAR
1778 AND K0077 /EXTRACT 6-BIT
1779 CLL RTL
1780 RTL
1781 RTL
1782 DCA D3 /SAVE LEFT HALF
1783 JMS RCHAR
1784 AND K0077 /GET RIGHT HALF
1785 TAD D3
1786 DCA I X3
1787 ISZ D1
1788 JMP RSYM1 /NOT DONE
1789 JMP I DEFN
1790/
1791/SEARCH SYMBOL TABLE FOR CURRENT SYMBOL (IN S1-S3)
1792/
1793SEARCH, 0
1794 DCA I SYMNMP /CLR SYMBOL COUNTER
1795 TAD MSTA /SET SYMBOL TABLE PTR
1796 DCA D4
1797 TAD NSUB /SET CTR FOR NUMBER OF SYMBOLS
1798 CMA /+1 (IN CASE NSUB=0)
1799 DCA D5
1800 JMP SRCH2
1801SRCH1, ISZ I SYMNMP /KEEP COUNT
1802 TAD D4 /TEST TABLE ENTRY
1803 DCA X4 /SYM. TAB. PTR
1804 CLA CLL CMA RTL
1805 DCA D2 /COUNTER
1806 TAD S1A
1807 DCA X3 /PTR TO S1/S3
1808COMP1, TAD I X4 /COMPARE WORDS
1809 CIA
1810 TAD I X3
1811 SZA CLA
1812 JMP NOMACH /NOT ALIKE
1813 ISZ D2
1814 JMP COMP1 /TRY NEXT WORD OF TRIPLET
1815 ISZ SEARCH
1816 JMP I SEARCH
1817NOMACH, CLA CLL CMA RTL
1818 TAD D4
1819 DCA D4
1820SRCH2, ISZ D5
1821 JMP SRCH1 /NOT DONE
1822 JMP I SEARCH
1823/
1824/ENTER A SYMBOL IN THE SYMBOL TABLE
1825/
1826INSERT, 0
1827 TAD NSUB /(NUMBER OF SYMBOLS)*3
1828 CLL RAL
1829 TAD NSUB
1830 CIA /SUBTRACT FROM BASE OF TABLE
1831 TAD MSTA
1832 DCA X3 /FOR POINTER
1833 TAD S1 /1ST WORD
1834 DCA I X3
1835 TAD S2 /2ND
1836 DCA I X3
1837 TAD S3 /3RD
1838 DCA I X3
1839 ISZ NSUB /COMPUTE SYM. TAB. NUMBER
1840 TAD NSUB
1841 DCA I SYMNMP
1842 JMP I INSERT
1843/
1844/CORE OVERFLOW
1845/
1846OVERFL, TAD BCRTA3
1847 DCA D1
1848 TAD TVECA3
1849 DCA D2
1850 TAD M100
1851 DCA D3
1852 CDF 00
1853OVERF2, TAD I D1 /CK FOR CDF IN BCRT
1854 SPA CLA
1855 JMP .+3 /YES
1856 DCA I D1 /NO, CLEAR IT
1857 DCA I D2 /CLEAR TV WORD
1858 ISZ D1
1859 ISZ D2
1860 ISZ D3
1861 JMP OVERF2 /MORE TO GO
1862 CDF 10
1863 JMP I ER2P
1864
1865GETSYM, 0 /GET SYMBOL AND SEARCH TABLE
1866 JMS DEFN
1867 JMS SEARCH
1868 JMS INSERT
1869 JMP I GETSYM
1870\f/READ 1 FRAME & ADD TO CHECKSUM
1871
1872RCHAR, 0
1873 JMS I HSRPB
1874 DCA D4
1875 TAD D4
1876 TAD CSUM
1877 DCA CSUM
1878 TAD D4
1879 JMP I RCHAR
1880
1881SETRCN, 0 /SUBR TO SET HIGHEST-LOADED ADDRESS (HLA)
1882 TAD I HLAPTR /AND RELOCATION CONSTANT (RCON)
1883 DCA HLA
1884 TAD HLA
1885 AND (7600
1886 DCA RCON
1887 JMP I SETRCN
1888
1889MAIN, 1501;1116;4040 /"MAIN"
1890
1891/
1892/DATA
1893/
1894D1, 0
1895D2, 0
1896D3, 0
1897D4, 0
1898D5, 0
1899S1, 0
1900S2, 0
1901S3, 0
1902K0077, 77
1903M100, -100
1904BCRTA3, BCRT
1905ER2P, XER2
1906HSRPB, ICHAR
1907MSTA, MST-3
1908S1A, S1-1
1909SYMNMP, SYMNUM
1910TVECA3, TVEC
1911 PAGE
1912\f/TRAILER CODE EXIT
1913
1914RC10, JMS I (FORMWD
1915 JMS I HSRP /GET LOW ORDER PART
1916 TAD WORD
1917 CIA
1918 TAD CSUM /COMPARE WITH ACCUMULATED SUM
1919 SZA CLA
1920 JMP I ER4P /NOT EQUAL
1921 TAD BCRTA4
1922 DCA T1
1923 TAD TVECA
1924 DCA X2
1925 TAD M100D
1926 DCA T3
1927K6201A, CDF 00
1928RC10Z, TAD I X2 /GET TV ENTRY
1929 SNA CLA
1930 JMP .+5 /NOT DEFINED; IGNORE IT
1931 TAD I T1 /GET BCRT WORD
1932 AND K70 /EXTRACT BANK
1933 TAD K6201A /COMBINE CDF
1934 DCA I T1
1935 ISZ T1
1936 ISZ T3
1937 JMP RC10Z /NOT DONE YET
1938 CDF 10
1939 TAD HLA /STORE HIGHEST LOADED ADDRESS
1940 DCA I HLAPTR /IN PROPER LOC. (HLA0-7)
1941 JMP I (LOADOK
1942\f/LOADER MAP PRINT ROUTINE CONTINUED
1943
1944MAPX, SNL CLA /IF LINK=1 ONLY PRINT PAGE COUNTS,
1945 TAD NSUB /OTHERWISE PRINT SYMBOLS
1946 CMA
1947 DCA T1 /CTR OF ROUTINES
1948 TAD MSTA4 /SYMB. TAB. PTR.
1949 DCA X1
1950 TAD TVECA /TV PTR
1951 DCA X2
1952 TAD BCRTA4 /BCRT PTR
1953 DCA T4
1954 TAD (2640 /PRINT V#
1955 JMS I TTWOP
1956 TAD (VERSION+PATCH
1957 JMS I TTWOP
1958 JMS I CRLFP
1959 JMP PRINT1
1960PRINT, TAD TM1
1961 RTR CLL
1962 CDF 0
1963 TAD I X2
1964 CDF 10
1965 DCA TM2
1966 TAD TM2
1967 SNL SZA CLA
1968 JMP PIGNOR
1969 TAD I X1
1970 JMS I TTWOP
1971 TAD I X1
1972 JMS I TTWOP
1973 TAD I X1
1974 JMS I TTWOP
1975 TAD K4040 /2 SPACES
1976 JMS I TTWOP
1977 CDF 00
1978 TAD I T4 /PRINT BANK NUMBER
1979 CDF 10
1980 RTR
1981 RAR
1982 AND K7B
1983 TAD K260
1984 JMS I TYPE
1985 TAD TM2 /PRINT SYMBOL VALUE
1986 JMS I TOCTP
1987 TAD TM2 /IF ADDRESS=0,IT IS UNDEFINED
1988 SZA CLA
1989 JMP .+3 /ITS OK
1990 TAD K4025 /TYPE SPACE,U
1991 JMS I TTWOP
1992 JMS I CRLFP
1993 TAD M03
1994PIGNOR, TAD M03
1995 TAD X1
1996 DCA X1
1997 ISZ T4
1998PRINT1, ISZ T1
1999 JMP PRINT /JUMP IF MORE SYMBOLS, ELSE FALL INTO NEXT PG
2000\fPAGES, TAD FCTR /SET CTR FOR CORRECT # OF BANKS
2001 DCA T1
2002 TAD (HLAZ-1 /INIT. PTR. TO HLA LIST
2003 DCA X1
2004 TAD I X1 /GET HLA OF NEXT BANK
2005 CMA RTL /DIVIDE BY 200 AND COMPLEMENT
2006 RTL
2007 RTL
2008 AND K37 /=NUMBER OF PAGES LEFT + 1
2009 SZA
2010 TAD (-1 /REDUCE IF NON-ZERO
2011 JMS I TOCTP
2012 JMS I CRLFP
2013 ISZ T1
2014 JMP PAGES+4 /NOT DONE WITH ALL BANKS
2015 JMP I (OCLOS
2016
2017/
2018/DATA
2019/
2020FCTR, 0 /# OF HIGHEST MEM. FIELD
2021K37, 37
2022T1, 0
2023T3, 0
2024T4, 0
2025K7B, 7
2026K70, 70
2027K260, 260
2028K4025, 4025
2029K4040, 4040
2030M03, -3
2031BCRTA4, BCRT
2032CRLFP, CRLF
2033ER4P, ER4
2034HSRP, ICHAR
2035MSTA4, MST-3
2036TOCTP, TOCT
2037TTWOP, TTWO
2038TVECA, TVEC-1
2039M100D, 7700
2040 PAGE
2041\f/WROVLY IS USED TO STORE THE FIELD COUNT FOR THE PROPGT
2042/ROUTINE- PROPGT IS CALLED THE FIRST TIME THAT IOTEST IS
2043/CALLED-SEE LOC.325 IN FIELD ZERO(APPROX.)
2044
2045BC1000, 1000
2046WROVLY, 0
2047 TAD OVLYFG
2048 SPA SNA CLA
2049 JMP I WROVLY
2050 CIF 0
2051 JMS I (SHNDLR
2052 0110
2053 1600
2054 MTEMP
2055 JMP I (SIOERR
2056 CIF 0
2057 JMS I (SHNDLR
2058 5010
2059 1600
2060 MTEMP
2061 JMP I (SIOERR
2062 DCA OVLYFG
2063 JMP I WROVLY
2064
2065WRPGBF, 0
2066 DCA PRECNO
2067 TAD WRBFSW
2068 SNA
2069 JMP PREAD
2070 CIA
2071 TAD PRECNO
2072 SNA CLA
2073 JMP I WRPGBF
2074 CIF 0
2075 JMS I (SHNDLR
2076 4210
2077 1400
2078WRBFSW, 0
2079 JMP I (SIOERR
2080PREAD, DCA OLDT9
2081 TAD PRECNO
2082 SNA CLA
2083 JMP SETBF
2084 CIF 0
2085 JMS I (SHNDLR
2086 0210
2087 1400
2088PRECNO, 0
2089 JMP I (SIOERR
2090SETBF, TAD PRECNO
2091 DCA WRBFSW
2092 JMP I WRPGBF
2093\f/LOADER CLEANUP CODE - PREPARES TO RETURN TO OS/8
2094
2095LDRXIT, CDF 10
2096 TAD I (HLA1
2097 TAD BC200
2098L7700, SMA CLA /DID WE LOAD OVER THE LOADER?
2099 TAD (FIVE /NO
2100 DCA WROVLY /WROVLY=0 OR 5
2101 CIF 0
2102 JMS I (SHNDLR
2103 0201
2104 400
2105 MTEMP+21 /READ BACK THE RUN-TIME ROUTINES
2106 JMP I (SIOERR /BADDIE
2107 TAD K1600
2108 CDF 0
2109 DCA I ST1600
2110 TAD I P4
2111 DCA I P5
2112 ISZ P4
2113 ISZ P5
2114 ISZ P6
2115 JMP .-5 /ALSO MOVE 16-32 INTO LOC 100
2116 CDF 10
2117 JMS I BC200
2118 13 /RESET EVERYTHING
2119 TAD I (MPARAM
2120 AND (40 /GET "/G" SWITCH
2121 SNA CLA
2122 JMP CALMON /GO SWITCH NOT ON
2123 JMS I BC200
2124 11 /KICK MONITOR OUT
2125 CDF CIF 0
2126 TAD (MSTCDF
2127 DCA I (FIVE+1 /GO TO PROGRAM START ADR INSTEAD OF 7600
2128 ISZ I (ONE /OPTOMIZE READ A LITTLE ON DECTAPE
2129 JMP I WROVLY
2130
2131CALMON, CLA CMA
2132 DCA I L7700 /INDICATE I/O MONITOR IS IN CORE
2133 CDF CIF 0
2134 JMP I WROVLY /GET OUT
2135
2136ST1600, 177 /THIS IS SET TO "FINBUF" OR "FOUBUF" BY /I AND /O
2137P4, 16
2138P5, 100
2139P6, -15
2140\f/ROUTINE TO TEST FOR /I AND /O SWITCHES
2141
2142IOTEST, 0
2143 TAD I (MPARAM
2144 AND (10
2145 SNA CLA //I?
2146 JMP .+4
2147 JMS I (HLATST
2148 CDF CIF 0
2149 JMS I (INPENB
2150 TAD I (MPARAM+1
2151BC200, AND BC1000
2152 SNA CLA //O?
2153 JMP .+4
2154 JMS I (HLATST
2155 CDF CIF 0
2156 JMS I (OUPENB
2157 ISZ DOPROP /SHOULD WE PROPAGATE RESIDENT(AND WRITE OUT
2158 JMP .+4 /THE RUN-TIME ROUTINES?)--NO
2159 TAD WROVLY /YES-FIELD COUNT IS IN WROVLY
2160 CDF CIF 0
2161 JMS I (PROPGT /DO IT
2162 JMP I IOTEST
2163K1600, 1600 /RESET TO 2000 IF TWO PG.DEV.HNDLRS AT RUN TIME
2164DOPROP, 7777 /ONCE-ONLY FLAG FOR PROPAGATING FIELD ZERO
2165 /RESIDENT AND WRITING OUT RUNTIME ROUTINES
2166 /NOT RESET AFTER /R!!!!
2167 /SET TO -2 IF CALLED BY ".R LOADER"
2168 /BECAUSE OF USELESS INIT CALL TO IOTEST
2169 PAGE
2170 $
2171\f
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