Source Code
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These source-code files are part of a reconstructed copy of Artemis 071, the
first release of the Apollo 15 through 17 Command Module (CM) Apollo Guidance
Computer (AGC) software.
The reconstruction began with source code of Artemis 072 previously transcribed
from a digitized copy of that program. The code was then updated by undoing
changes between the two versions. The reconstruction was verified by matching
memory-bank checksums to those listed in drawing 2021154-. Note that page
numbers in the reconstructed code match those on the Artemis 072 printout,
although the changed code would likely have changed page numbers for a real
Artemis 071 listing.
Comments from the original source code are prefixed with a single '#' symbol,
whereas comments added later are prefixed by "##" or "###". Report any errors
noted by creating an
issue report at the Virtual AGC
project's GitHub repository.
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051689,000002: ## Copyright: Public domain.
051690,000003: ## Filename: EXECUTIVE.agc
051691,000004: ## Purpose: A section of Artemis revision 071.
051692,000005: ## It is part of the reconstructed source code for the first
051693,000006: ## release of the flight software for the Command Module's
051694,000007: ## (CM) Apollo Guidance Computer (AGC) for Apollo 15 through
051695,000008: ## 17. The code has been recreated from a copy of Artemis 072.
051696,000009: ## It has been adapted such that the resulting bugger words
051697,000010: ## exactly match those specified for Artemis 071 in NASA
051698,000011: ## drawing 2021154-, which gives relatively high confidence
051699,000012: ## that the reconstruction is correct.
051700,000013: ## Reference: 1208
051701,000014: ## Assembler: yaYUL
051702,000015: ## Contact: Ron Burkey <info@sandroid.org>.
051703,000016: ## Website: www.ibiblio.org/apollo/index.html
051704,000017: ## Mod history: 2019-08-14 MAS Created from Artemis 072.
051705,000018:
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Page 1208
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051707,000020:
051708,000021: 4000 SETLOC EXECF2
051709,000022: 4000 BANK
051710,000023:
051711,000024: # TO ENTER A JOB REQUEST REQUIRING NO VAC AREA:
051712,000025:
051713,000026: 5120 COUNT* $$/EXEC
051714,000027: 5120 34346 NOVAC30 CAF PRIO30
051715,000028: 5121 00004 NOVAC INHINT
051716,000029: 5122 65213 AD FAKEPRET # LOC(MPAC +6) - LOC(QPRET)
051717,000030: 5123 54063 TS NEWPRIO # PRIORITY OF NEW JOB + NOVAC C(FIXLOC)
051718,000031:
051719,000032: 5124 00006 EXTEND
051720,000033: 5125 50002 INDEX Q # Q WILL BE UNDISTURBED THROUGHOUT.
051721,000034: 5126 30001 DCA 0 # 2CADR OF JOB ENTERED.
051722,000035: 5127 52066 DXCH NEWLOC
051723,000036: 5130 34756 CAF EXECBANK
051724,000037: 5131 56004 XCH FBANK
051725,000038: 5132 54061 TS EXECTEM1
051726,000039: 5133 12620 TCF NOVAC2 # ENTER EXECUTIVE BANK.
051727,000040:
051728,000041: # TO ENTER A JOB REQUEST REQUIRING A VAC AREA - E.G., ALL (PARTIALLY) INTERPRETIVE JOBS.
051729,000042:
051730,000043: 5134 34753 FINVAC20 CAF PRIO20
051731,000044: 5135 00004 FINDVAC INHINT
051732,000045: 5136 54063 TS NEWPRIO
051733,000046: 5137 00006 EXTEND
051734,000047: 5140 50002 INDEX Q
051735,000048: 5141 30001 DCA 0
051736,000049: 5142 52066 SPVACIN DXCH NEWLOC
051737,000050: 5143 34756 CAF EXECBANK
051738,000051: 5144 56004 XCH FBANK
051739,000052: 5145 12576 TCF FINDVAC2 # OFF TO EXECUTIVE SWITCHED-BANK.
051740,000053:
051741,000054: # TO ENTER A FINDVAC WITH THE PRIORITY IN NEWPRIO TO THE 2CADR ARRIVING IN A AND L:
051742,000055:
051743,000056: # USERS OF SPVAC MUST INHINT BEFORE STORING IN NEWPRIO.
051744,000057:
051745,000058: 5146 56002 SPVAC XCH Q
051746,000059: 5147 67701 AD NEG2
051747,000060: 5150 56002 XCH Q
051748,000061: 5151 15142 TCF SPVACIN
051749,000062:
051750,000063: # TO SUSPEND A BASIC JOB SO A HIGHER PRIORITY JOB MAY BE SERVICED:
051751,000064:
051752,000065: 5152 22002 CHANG1 LXCH Q
051753,000066: 5153 34756 CAF EXECBANK
051754,000067: 5154 56006 XCH BBANK
051755,000068: 5155 12677 TCF CHANJOB
051756,000069:
051757,000070: # TO SUSPEND AN INTERPRETIVE JOB:
051758,000071:
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Page 1209
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051760,000073: 5156 40164 CHANG2 CS LOC # NEGATIVE LOC SHOWS JOB = INTERPRETIVE.
051761,000074: # ITRACE (4) REFERS TO "CHANG2".
051762,000075: 5157 54001 TS L
051763,000076: 5160 34756 +2 CAF EXECBANK
051764,000077: 5161 54006 TS BBANK
051765,000078: 5162 12676 TCF CHANJOB -1
051766,000079:
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Page 1210
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051768,000081: # TO VOLUNTARILY SUSPEND A JOB UNTIL THE COMPLETION OF SOME ANTICIPATED EVENT (I/O EVENT ETC.):
051769,000082:
051770,000083: 5163 54164 JOBSLEEP TS LOC
051771,000084: 5164 34756 CAF EXECBANK
051772,000085: 5165 54004 TS FBANK
051773,000086: 5166 12767 TCF JOBSLP1
051774,000087:
051775,000088: # TO AWAKEN A JOB PUT TO SLEEP IN THE ABOVE FASHION:
051776,000089:
051777,000090: 5167 00004 JOBWAKE INHINT
051778,000091: 5170 54065 TS NEWLOC
051779,000092: 5171 44767 CS TWO # EXIT IS VIA FINDVAC/NOVAC PROCEDURES.
051780,000093: 5172 26002 ADS Q
051781,000094: 5173 34756 CAF EXECBANK
051782,000095: 5174 56004 XCH FBANK
051783,000096: 5175 13014 TCF JOBWAKE2
051784,000097:
051785,000098: # TO CHANGE THE PRIORITY OF A JOB CURRENTLY UNDER EXECUTION:
051786,000099:
051787,000100: 5176 00004 PRIOCHNG INHINT # NEW PRIORITY ARRIVES IN A. RETURNS TO
051788,000101: 5177 54063 TS NEWPRIO # CALLER AS SOON AS NEW JOB PRIORITY IS
051789,000102: 5200 34756 CAF EXECBANK # HIGHEST. PREPARE FOR POSSIBLE BASIC-
051790,000103: 5201 56006 XCH BBANK # STYLE CHANGE-JOB.
051791,000104: 5202 54165 TS BANKSET
051792,000105: 5203 30002 CA Q
051793,000106: 5204 13063 TCF PRIOCH2
051794,000107:
051795,000108: # TO REMOVE A JOB FROM EXECUTIVE CONSIDERATIONS:
051796,000109:
051797,000110: 5205 34756 ENDOFJOB CAF EXECBANK
051798,000111: 5206 54004 TS FBANK
051799,000112: 5207 13074 TCF ENDJOB1
051800,000113:
051801,000114: 5210 30061 ENDFIND CA EXECTEM1 # RETURN TO CALLER AFTER JOB ENTRY
051802,000115: 5211 54004 TS FBANK # COMPLETE.
051803,000116: 5212 16710 TCF Q+2
051804,000117: 5213 4756 EXECBANK EQUALS BIT11 # THIS IS TRUE IF FINDVAC2 STAYS IN BANK 01
051805,000118:
051806,000119: 5213 00110 FAKEPRET ADRES MPAC -36D # LOC(MPAC +6) - LOC(QPRET)
051807,000120:
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Page 1211
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051809,000122: # LOCATE AN AVAILABLE VAC AREA.
051810,000123:
051811,000124: 01,2000 SETLOC EXECB1
051812,000125: 01,2000 BANK
051813,000126:
051814,000127: 01,2576 COUNT* $$/EXEC
051815,000128: # ******** IF THE EXECUTIVE IS
051816,000129: # MOVED OUT OF BANK 01
051817,000130: # DONT FORGET TO CHANGE
051818,000131: # THE VALUE OF
051819,000132: # ****** EXECBANK ****
051820,000133: 01,2576 54061 FINDVAC2 TS EXECTEM1 # (SAVE CALLER'S BANK FIRST.)
051821,000134: 01,2577 10400 CCS VAC1USE
051822,000135: 01,2600 12613 TCF VACFOUND
051823,000136: 01,2601 10454 CCS VAC2USE
051824,000137: 01,2602 12613 TCF VACFOUND
051825,000138: 01,2603 10530 CCS VAC3USE
051826,000139: 01,2604 12613 TCF VACFOUND
051827,000140: 01,2605 10604 CCS VAC4USE
051828,000141: 01,2606 12613 TCF VACFOUND
051829,000142: 01,2607 10660 CCS VAC5USE
051830,000143: 01,2610 12613 TCF VACFOUND
051831,000144: 01,2611 07706 TC BAILOUT
051832,000145: 01,2612 31201 OCT 31201 # NO VAC AREAS
051833,000146:
051834,000147: 01,2613 64767 VACFOUND AD TWO # RESERVE THIS VAC AREA BY STORING A ZERO
051835,000148: 01,2614 22007 ZL # IN ITS VAC USE REGISTER AND STORE THE
051836,000149: 01,2615 50000 INDEX A # ADDRESS OF THE FIRST WORD OF IT IN THE
051837,000150: 01,2616 21777 LXCH 0 -1 # LOW NINE BITS OF THE PRIORITY WORD.
051838,000151: 01,2617 26063 ADS NEWPRIO
051839,000152:
051840,000153: 01,2620 34772 NOVAC2 CAF ZERO # NOVAC ENTERS HERE. FIND A CORE SET.
051841,000154: 01,2621 54064 TS LOCCTR
051842,000155: 01,2622 32627 CAF NO.CORES # SEVEN SETS OF ELEVEN REGISTERS EACH.
051843,000156: 01,2623 54062 NOVAC3 TS EXECTEM2
051844,000157: 01,2624 50064 INDEX LOCCTR
051845,000158: 01,2625 10167 CCS PRIORITY # EACH PRIORITY REGISTER CONTAINS -0 IF
051846,000159: 01,2626 12667 TCF NEXTCORE # THE CORRESPONDING CORE SET IS AVAILABLE.
051847,000160: 01,2627 00006 NO.CORES DEC 6 B-14
051848,000161: 01,2630 12667 TCF NEXTCORE # AN ACTIVE JOB HAS A POSITIVE PRIORITY
051849,000162: # BUT A DORMANT JOB'S PRIORITY IS NEGATIVE
051850,000163:
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Page 1212
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051852,000165: 01,2631 30063 CORFOUND CA NEWPRIO # SET THE PRIORITY OF THIS JOB IN THE CORE
051853,000166: 01,2632 50064 INDEX LOCCTR # SET'S PRIORITY REGISTER AND SET THE
051854,000167: 01,2633 54167 TS PRIORITY # JOB'S PUSH-DOWN POINTER AT THE BEGINNING
051855,000168: 01,2634 75021 MASK LOW9 # OF THE WORK AREA AND OVERFLOW INDICATOR
051856,000169: 01,2635 50064 INDEX LOCCTR
051857,000170: 01,2636 54166 TS PUSHLOC # OFF TO PREPARE FOR INTERPRETIVE PROGRAMS
051858,000171:
051859,000172: 01,2637 10064 CCS LOCCTR # IF CORE SET ZERO IS BEING LOADED, SET UP
051860,000173: 01,2640 12654 TCF SETLOC # OVFIND AND FIXLOC IMMEDIATELY.
051861,000174: 01,2641 54121 TS OVFIND
051862,000175: 01,2642 30166 CA PUSHLOC
051863,000176: 01,2643 54120 TS FIXLOC
051864,000177:
051865,000178: 01,2644 10067 SPECTEST CCS NEWJOB # SEE IF ANY ACTIVE JOBS WAITING (RARE).
051866,000179: 01,2645 12654 TCF SETLOC # MUST BE AWAKENED BUT UNCHANGED JOB.
051867,000180: 01,2646 12647 NOOP # CANNOT GET HERE
051868,000181: 01,2647 12650 NOOP # CANNOT GET HERE
051869,000182: 01,2650 54067 TS NEWJOB # +0 SHOWS ACTIVE JOB ALREADY SET.
051870,000183: 01,2651 52066 DXCH NEWLOC
051871,000184: 01,2652 52165 DXCH LOC
051872,000185: 01,2653 15210 TCF ENDFIND
051873,000186:
051874,000187: 01,2654 52066 SETLOC DXCH NEWLOC # SET UP THE LOCATION REGISTERS FOR THIS
051875,000188: 01,2655 50064 INDEX LOCCTR
051876,000189: 01,2656 52165 DXCH LOC
051877,000190: 01,2657 50067 INDEX NEWJOB # THIS INDEX INSTRUCTION INSURES THAT THE
051878,000191: 01,2660 40167 CS PRIORITY # HIGHEST ACTIVE PRIORITY WILL BE COMPARED
051879,000192: 01,2661 60063 AD NEWPRIO # WITH THE NEW PRIORITY TO SEE IF NEWJOB
051880,000193: 01,2662 00006 EXTEND # SHOULD BE SET TO SIGNAL A SWITCH.
051881,000194: 01,2663 65210 BZMF ENDFIND
051882,000195: 01,2664 30064 CA LOCCTR # LOCCTR IS LEFT SET AT THIS CORE SET IF
051883,000196: 01,2665 54067 TS NEWJOB # THE CALLER WANTS TO LOAD ANY MPAC
051884,000197: 01,2666 15210 TCF ENDFIND # REGISTERS, ETC.
051885,000198:
051886,000199: 01,2667 33024 NEXTCORE CAF COREINC
051887,000200: 01,2670 26064 ADS LOCCTR
051888,000201: 01,2671 10062 CCS EXECTEM2
051889,000202: 01,2672 12623 TCF NOVAC3
051890,000203: 01,2673 07706 TC BAILOUT # NO CORE SETS.
051891,000204: 01,2674 31202 OCT 31202
051892,000205:
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Page 1213
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051894,000207: # THE FOLLOWING ROUTINE SWAPS CORE SET 0 WITH THAT WHOSE RELATIVE ADDRESS IS IN NEWJOB.
051895,000208:
051896,000209: 01,2675 22164 -2 LXCH LOC
051897,000210: 01,2676 30165 -1 CAE BANKSET # BANKSET, NOT BBANK, HAS RIGHT CONTENTS.
051898,000211: 01,2677 00004 CHANJOB INHINT
051899,000212: 01,2700 00006 EXTEND
051900,000213: 01,2701 04007 ROR SUPERBNK # PICK UP CURRENT SBANK FOR BBCON
051901,000214: 01,2702 56001 XCH L # LOC IN A AND BBCON IN L.
051902,000215: 01,2703 50067 +4 INDEX NEWJOB # SWAP LOC AND BANKSET.
051903,000216: 01,2704 52165 DXCH LOC
051904,000217: 01,2705 52165 DXCH LOC
051905,000218:
051906,000219: 01,2706 30165 CAE BANKSET
051907,000220: 01,2707 00006 EXTEND
051908,000221: 01,2710 01007 WRITE SUPERBNK # SET SBANK FOR NEW JOB.
051909,000222: 01,2711 52155 DXCH MPAC # SWAP MULTI-PURPOSE ACCUMULATOR AREAS.
051910,000223: 01,2712 50067 INDEX NEWJOB
051911,000224: 01,2713 52155 DXCH MPAC
051912,000225: 01,2714 52155 DXCH MPAC
051913,000226: 01,2715 52157 DXCH MPAC +2
051914,000227: 01,2716 50067 INDEX NEWJOB
051915,000228: 01,2717 52157 DXCH MPAC +2
051916,000229: 01,2720 52157 DXCH MPAC +2
051917,000230: 01,2721 52161 DXCH MPAC +4
051918,000231: 01,2722 50067 INDEX NEWJOB
051919,000232: 01,2723 52161 DXCH MPAC +4
051920,000233: 01,2724 52161 DXCH MPAC +4
051921,000234: 01,2725 52163 DXCH MPAC +6
051922,000235: 01,2726 50067 INDEX NEWJOB
051923,000236: 01,2727 52163 DXCH MPAC +6
051924,000237: 01,2730 52163 DXCH MPAC +6
051925,000238:
051926,000239: 01,2731 34772 CAF ZERO
051927,000240: 01,2732 56121 XCH OVFIND # MAKE PUSHLOC NEGATIVE IF OVFIND NZ.
051928,000241: 01,2733 00006 EXTEND
051929,000242: 01,2734 12737 BZF +3
051930,000243: 01,2735 40166 CS PUSHLOC
051931,000244: 01,2736 54166 TS PUSHLOC
051932,000245:
051933,000246: 01,2737 52167 DXCH PUSHLOC
051934,000247: 01,2740 50067 INDEX NEWJOB
051935,000248: 01,2741 52167 DXCH PUSHLOC
051936,000249: 01,2742 52167 DXCH PUSHLOC # SWAPS PUSHLOC AND PRIORITY.
051937,000250: 01,2743 35021 CAF LOW9 # SET FIXLOC TO BASE OF VAC AREA.
051938,000251: 01,2744 70167 MASK PRIORITY
051939,000252: 01,2745 54120 TS FIXLOC
051940,000253:
051941,000254: 01,2746 10166 CCS PUSHLOC # SET OVERFLOW INDICATOR ACCORDING TO
051942,000255: 01,2747 34772 CAF ZERO
051943,000256: 01,2750 12755 TCF ENDPRCHG -1
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Page 1214
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051945,000258: 01,2751 40166 CS PUSHLOC
051946,000259: 01,2752 54166 TS PUSHLOC
051947,000260: 01,2753 34770 CAF ONE
051948,000261: 01,2754 56121 XCH OVFIND
051949,000262: 01,2755 54067 -1 TS NEWJOB
051950,000263: 01,2756 00003 ENDPRCHG RELINT
051951,000264: 01,2757 52165 DXCH LOC # BASIC JOBS HAVE POSITIVE ADDRESSES, SO
051952,000265: 01,2760 00006 EXTEND # DISPATCH WITH A DTCB.
051953,000266: 01,2761 62763 BZMF +2 # IF INTERPRETIVE, SET UP EBANK, ETC.
051954,000267: 01,2762 52006 DTCB
051955,000268:
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Page 1215
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051957,000270:
051958,000271: 01,2763 40000 COM # EPILOGUE TO JOB CHANGE FOR INTERPRETIVE
051959,000272: 01,2764 64770 AD ONE
051960,000273: 01,2765 54164 TS LOC # RESUME.
051961,000274: 01,2766 16017 TCF INTRSM
051962,000275:
051963,000276: # COMPLETE JOBSLEEP PREPARATIONS.
051964,000277:
051965,000278: 01,2767 00004 JOBSLP1 INHINT
051966,000279: 01,2770 40167 CS PRIORITY # NNZ PRIORITY SHOWS JOB ASLEEP.
051967,000280: 01,2771 54167 TS PRIORITY
051968,000281: 01,2772 36043 CAF LOW7
051969,000282: 01,2773 70006 MASK BBANK
051970,000283: 01,2774 00006 EXTEND
051971,000284: 01,2775 04007 ROR SUPERBNK # SAVE OLD SUPERBANK VALUE.
051972,000285: 01,2776 54165 TS BANKSET
051973,000286: 01,2777 44772 CS ZERO
051974,000287: 01,3000 54131 JOBSLP2 TS BUF +1 # HOLDS - HIGHEST PRIORITY.
051975,000288: 01,3001 13111 TCF EJSCAN # SCAN FOR HIGHEST PRIORITY ALA ENDOFJOB.
051976,000289:
051977,000290: 01,3002 00004 NUCHANG2 INHINT # QUICK... DONT LET NEWJOB CHANGE TO +0.
051978,000291: 01,3003 10067 CCS NEWJOB
051979,000292: 01,3004 13007 TCF +3 # NEWJOB STILL PNZ
051980,000293: 01,3005 00003 RELINT # NEW JOB HAS CHANGED TO +0. WAKE UP JOB
051981,000294: 01,3006 13201 TCF ADVAN +2 # VIA NUDIRECT. (VERY RARE CASE.)
051982,000295:
051983,000296: 01,3007 34767 CAF TWO
051984,000297: 01,3010 00006 EXTEND
051985,000298: 01,3011 05011 WOR DSALMOUT # TURN ON ACTIVITY LIGHT
051986,000299: 01,3012 52165 DXCH LOC # AND SAVE ADDRESS INFO FOR BENEFIT OF
051987,000300: 01,3013 12703 TCF CHANJOB +4 # POSSIBLE SLEEPING JOB.
051988,000301:
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Page 1216
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051990,000303: # TO WAKE UP A JOB, EACH CORE SET IS FOUND TO LOCATE ALL JOBS WHICH ARE ASLEEP. IF THE FCADR IN THE
051991,000304: # LOC REGISTER OF ANY SUCH JOB MATCHES THAT SUPPLIED BY THE CALLER, THAT JOB IS AWAKENED. IF NO JOB IS FOUND,
051992,000305: # LOCCTR IS SET TO -1 AND NO FURTHER ACTION TAKES PLACE.
051993,000306:
051994,000307: 01,3014 54061 JOBWAKE2 TS EXECTEM1
051995,000308: 01,3015 34772 CAF ZERO # BEGIN CORE SET SCAN.
051996,000309: 01,3016 54064 TS LOCCTR
051997,000310: 01,3017 32627 CAF NO.CORES
051998,000311: 01,3020 54062 JOBWAKE4 TS EXECTEM2
051999,000312: 01,3021 50064 INDEX LOCCTR
052000,000313: 01,3022 10167 CCS PRIORITY
052001,000314: 01,3023 13026 TCF JOBWAKE3 # ACTIVE JOB - CHECK NEXT CORE SET.
052002,000315: 01,3024 00014 COREINC DEC 12 B-14 # 12 REGISTERS PER CORE SET.
052003,000316: 01,3025 13035 TCF WAKETEST # SLEEPING JOB - SEE IF CADR MATCHES.
052004,000317:
052005,000318: 01,3026 33024 JOBWAKE3 CAF COREINC
052006,000319: 01,3027 26064 ADS LOCCTR
052007,000320: 01,3030 10062 CCS EXECTEM2
052008,000321: 01,3031 13020 TCF JOBWAKE4
052009,000322: 01,3032 44770 CS ONE # EXIT IF SLEEPING JOB NOT FOUND.
052010,000323: 01,3033 54064 TS LOCCTR
052011,000324: 01,3034 15210 TCF ENDFIND
052012,000325:
052013,000326: 01,3035 40065 WAKETEST CS NEWLOC
052014,000327: 01,3036 50064 INDEX LOCCTR
052015,000328: 01,3037 60164 AD LOC
052016,000329: 01,3040 00006 EXTEND
052017,000330: 01,3041 13043 BZF +2 # IF MATCH.
052018,000331: 01,3042 13026 TCF JOBWAKE3 # EXAMINE NEXT CORE SET IF NO MATCH.
052019,000332:
052020,000333: 01,3043 50064 INDEX LOCCTR # RE-COMPLEMENT PRIORITY TO SHOW JOB AWAKE
052021,000334: 01,3044 40167 CS PRIORITY
052022,000335: 01,3045 54063 TS NEWPRIO
052023,000336: 01,3046 50064 INDEX LOCCTR
052024,000337: 01,3047 54167 TS PRIORITY
052025,000338:
052026,000339: 01,3050 44344 CS FBANKMSK # MAKE UP THE 2CADR OF THE WAKE ADDRESS
052027,000340: 01,3051 70065 MASK NEWLOC # USING THE CADR IN NEWLOC AND THE EBANK
052028,000341: 01,3052 64756 AD 2K # HALF OF BBANK SAVED IN BANKSET.
052029,000342: 01,3053 56065 XCH NEWLOC
052030,000343: 01,3054 74344 MASK FBANKMSK
052031,000344: 01,3055 50064 INDEX LOCCTR
052032,000345: 01,3056 60165 AD BANKSET
052033,000346: 01,3057 54066 TS NEWLOC +1
052034,000347:
052035,000348: 01,3060 10064 CCS LOCCTR # SPECIAL TREATMENT IF THIS JOB WAS
052036,000349: 01,3061 12654 TCF SETLOC # ALREADY IN THE RUN (0) POSITION.
052037,000350: 01,3062 12644 TCF SPECTEST
052038,000351:
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Page 1217
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052040,000353: # PRIORITY CHANGE. CHANGE THE CONTENTS OF PRIORITY AND SCAN FOR THE JOB OF HIGHEST PRIORITY.
052041,000354:
052042,000355: 01,3063 54164 PRIOCH2 TS LOC
052043,000356: 01,3064 34772 CAF ZERO # SET FLAG TO TELL ENDJOB SCANNER IF THIS
052044,000357: 01,3065 54130 TS BUF # JOB IS STILL HIGHEST PRIORITY.
052045,000358: 01,3066 35021 CAF LOW9
052046,000359: 01,3067 70167 MASK PRIORITY
052047,000360: 01,3070 60063 AD NEWPRIO
052048,000361: 01,3071 54167 TS PRIORITY
052049,000362: 01,3072 40000 COM
052050,000363: 01,3073 13000 TCF JOBSLP2 # AND TO EJSCAN.
052051,000364:
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Page 1218
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052053,000366: # RELEASE THIS CORE SET AND VAC AREA AND SCAN FOR THE JOB OF HIGHEST ACTIVE PRIORITY.
052054,000367:
052055,000368: 01,3074 00004 ENDJOB1 INHINT
052056,000369: 01,3075 44772 CS ZERO
052057,000370: 01,3076 54131 TS BUF +1
052058,000371: 01,3077 56167 XCH PRIORITY
052059,000372: 01,3100 75021 MASK LOW9
052060,000373: 01,3101 54001 TS L
052061,000374:
052062,000375: 01,3102 45213 CS FAKEPRET
052063,000376: 01,3103 60001 AD L
052064,000377:
052065,000378: 01,3104 00006 EXTEND
052066,000379: 01,3105 63111 BZMF EJSCAN # NOVAC ENDOFJOB
052067,000380:
052068,000381: 01,3106 10001 CCS L
052069,000382: 01,3107 50000 INDEX A
052070,000383: 01,3110 54000 TS 0
052071,000384:
052072,000385: 01,3111 10203 EJSCAN CCS PRIORITY +12D
052073,000386: 01,3112 03156 TC EJ1
052074,000387: 01,3113 1361 EBANK= SELFRET
052075,000388: 01,3113 66102 SELFBANK BBCON SELFCHK # CANNOT GET HERE
052076,000389: 01,3114 13115 TCF +1
052077,000390:
052078,000391: 01,3115 10217 CCS PRIORITY +24D # EXAMINE EACH PRIORITY REGISTER TO FIND
052079,000392: 01,3116 03156 TC EJ1 # THE JOB OF HIGHEST ACTIVE PRIORITY.
052080,000393: 01,3117 40201 OCT40201 OCT 40201 # CANNOT GET HERE
052081,000394: 01,3120 13121 TCF +1
052082,000395:
052083,000396: 01,3121 10233 CCS PRIORITY +36D
052084,000397: 01,3122 03156 TC EJ1
052085,000398: 01,3123 67610 -CCSPR -CCS PRIORITY
052086,000399: 01,3124 13125 TCF +1
052087,000400:
052088,000401: 01,3125 10247 CCS PRIORITY +48D
052089,000402: 01,3126 03156 TC EJ1
052090,000403: 01,3127 03724 PHS2CADR GENADR PHSPART2 # CANNOT GET HERE
052091,000404: 01,3130 13131 TCF +1
052092,000405:
052093,000406: 01,3131 10263 CCS PRIORITY +60D
052094,000407: 01,3132 03156 TC EJ1
052095,000408: 01,3133 03502 PRT2CADR GENADR GETPART2 # CANNOT GET HERE
052096,000409: 01,3134 13135 TCF +1
052097,000410:
052098,000411: 01,3135 10277 CCS PRIORITY +72D
052099,000412: 01,3136 03156 TC EJ1
052100,000413: 01,3137 05332 LGCLCADR GENADR LONGCALL # CANNOT GET HERE
052101,000414: 01,3140 13141 TCF +1
052102,000415:
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Page 1219
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052104,000417: # EVALUATE THE RESULTS OF THE SCAN.
052105,000418:
052106,000419: 01,3141 10131 CCS BUF +1 # SEE IF THERE ARE ANY ACTIVE JOBS WAITING
052107,000420:
052108,000421: 01,3142 53301 GETCADR DXCH LONGCADR # CANNOT GET HERE
052109,000422: 01,3143 05214 TC SUPDXCHZ
052110,000423: 01,3144 13146 TCF +2
052111,000424: 01,3145 13171 TCF DUMMYJOB
052112,000425: 01,3146 10130 CCS BUF # BUF IS ZERO IF THIS IS A PRIOCHNG AND
052113,000426: 01,3147 13151 TCF +2 # CHANGED PRIORITY IS STILL HIGHEST.
052114,000427: 01,3150 12755 TCF ENDPRCHG -1
052115,000428:
052116,000429: 01,3151 50000 INDEX A # OTHERWISE, SET NEWJOB TO THE RELATIVE
052117,000430: 01,3152 27777 CAF 0 -1 # ADDRESS OF THE NEW JOB'S CORE SET.
052118,000431: 01,3153 63123 AD -CCSPR
052119,000432: 01,3154 54067 TS NEWJOB
052120,000433: 01,3155 12675 TCF CHANJOB -2
052121,000434:
052122,000435: 01,3156 54132 EJ1 TS BUF +2
052123,000436: 01,3157 60131 AD BUF +1 # - OLD HIGH PRIORITY.
052124,000437: 01,3160 10000 CCS A
052125,000438: 01,3161 40132 CS BUF +2
052126,000439: 01,3162 13165 TCF EJ2 # NEW HIGH PRIORITY.
052127,000440: 01,3163 13164 NOOP
052128,000441: 01,3164 16710 TCF Q+2
052129,000442:
052130,000443: 01,3165 54131 EJ2 TS BUF +1
052131,000444: 01,3166 30002 CA Q
052132,000445: 01,3167 54130 TS BUF # FOR LOCATING CCS PRIORITY + X INSTR.
052133,000446: 01,3170 16710 TCF Q+2
052134,000447:
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Page 1220
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052136,000449: # IDLING AND COMPUTER ACTIVITY (GREEN) LIGHT MAINTENANCE. THE IDLING ROUTINE IS NOT A JOB IN ITSELF,
052137,000450: # BUT RATHER A SUBROUTINE OF THE EXECUTIVE.
052138,000451:
052139,000452: 01,3171 1361 EBANK= SELFRET # SELF-CHECK STORAGE IN EBANK.
052140,000453:
052141,000454: 01,3171 44772 DUMMYJOB CS ZERO # SET NEWJOB TO -0 FOR IDLING.
052142,000455: 01,3172 54067 TS NEWJOB
052143,000456: 01,3173 00003 +2 RELINT
052144,000457: 01,3174 44767 CS TWO # TURN OFF THE ACTIVITY LIGHT.
052145,000458: 01,3175 00006 EXTEND
052146,000459: 01,3176 03011 WAND DSALMOUT
052147,000460: 01,3177 10067 ADVAN CCS NEWJOB # IS A NEWJOB ACTIVE ?
052148,000461: 01,3200 13002 TCF NUCHANG2 # YES... ONE REQUIRING A CHANGE JOB.
052149,000462: 01,3201 34767 +2 CAF TWO # NEW JOB ALREADY IN POSITION FOR
052150,000463: 01,3202 13207 TCF NUDIRECT # EXECUTION.
052151,000464:
052152,000465: 01,3203 31361 CA SELFRET
052153,000466: 01,3204 54001 TS L # PUT RETURN ADDRESS IN L.
052154,000467: 01,3205 33113 CAF SELFBANK
052155,000468: 01,3206 15215 TCF SUPDXCHZ +1 # AND DISPATCH JOB.
052156,000469:
052157,000470: 01,3207 00006 NUDIRECT EXTEND # TURN THE GREEN LIGHT BACK ON.
052158,000471: 01,3210 05011 WOR DSALMOUT
052159,000472: 01,3211 52165 DXCH LOC # JOBS STARTED IN THIS FASHION MUST BE
052160,000473: 01,3212 15214 TCF SUPDXCHZ
052161,000474:
052162,000475: 4000 SETLOC EXECF2
052163,000476: 4000 BANK
052164,000477:
052165,000478: 5214 COUNT* $$/EXEC
052166,000479:
052167,000480: # SUPDXCHZ - ROUTINE TO TRANSFER TO SUPERBANK.
052168,000481: # CALLING SEQUENCE
052169,000482: # TCF SUPDXCHZ WITH 2CADR OF DESIRED LOCATION IN A + L.
052170,000483:
052171,000484: 5214 56001 SUPDXCHZ XCH L # BASIC.
052172,000485: 5215 00006 +1 EXTEND
052173,000486: 5216 01007 WRITE SUPERBNK
052174,000487: 5217 54006 TS BBANK
052175,000488: 5220 00001 TC L
052176,000489:
052177,000490: 5221 77677 NEG100 OCT 77677
End of include-file EXECUTIVE.agc. Parent file is MAIN.agc