Source Code
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These source-code files are part of a reconstructed copy of Comanche 051, the
original release of the Apollo 11 Command Module (CM) Apollo Guidance Computer
(AGC) software.
The reconstruction began with source code of Comanche 055 previously transcribed
from a digitized copy of that program. The code was then updated by undoing
changes related to the R-2 lunar potential model, using hints from program
comments and change-indicating asterisks in the Comanche 055 listing as a guide.
The reconstruction was verified by matching memory-bank checksums to those listed
in drawing 2021153D. Note that page numbers in the reconstructed code match those
on the Comanche 055 printout, although the added code would likely have changed page
numbers for a real Comanche 051 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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051419,000002: ## Copyright: Public domain.
051420,000003: ## Filename: EXECUTIVE.agc
051421,000004: ## Purpose: A section of Comanche revision 051.
051422,000005: ## It is part of the reconstructed source code for the
051423,000006: ## original release of the flight software for the Command
051424,000007: ## Module's (CM) Apollo Guidance Computer (AGC) for Apollo 11.
051425,000008: ## The code has been recreated from a copy of Comanche 055. It
051426,000009: ## has been adapted such that the resulting bugger words
051427,000010: ## exactly match those specified for Comanche 51 in NASA drawing
051428,000011: ## 2021153D, which gives relatively high confidence that the
051429,000012: ## reconstruction is correct.
051430,000013: ## Reference: pp. 1208-1220
051431,000014: ## Assembler: yaYUL
051432,000015: ## Contact: Ron Burkey <info@sandroid.org>.
051433,000016: ## Website: www.ibiblio.org/apollo/index.html
051434,000017: ## Mod history: 2019-07-30 MAS Created from Comanche 55.
051435,000018:
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Page 1208
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051437,000020: 5134 BLOCK 02
051438,000021:
051439,000022: # TO ENTER A JOB REQUEST REQUIRING NO VAC AREA:
051440,000023:
051441,000024: 5134 COUNT 02/EXEC
051442,000025:
051443,000026: 5134 00004 NOVAC INHINT
051444,000027: 5135 65226 AD FAKEPRET # LOC(MPAC +6) - LOC(QPRET)
051445,000028: 5136 54063 TS NEWPRIO # PRIORITY OF NEW JOB + NOVAC C(FIXLOC)
051446,000029:
051447,000030: 5137 00006 EXTEND
051448,000031: 5140 50002 INDEX Q # Q WILL BE UNDISTURBED THROUGHOUT.
051449,000032: 5141 30001 DCA 0 # 2CADR OF JOB ENTERED.
051450,000033: 5142 52066 DXCH NEWLOC
051451,000034: 5143 35225 CAF EXECBANK
051452,000035: 5144 56004 XCH FBANK
051453,000036: 5145 54061 TS EXECTEM1
051454,000037: 5146 12650 TCF NOVAC2 # ENTER EXECUTIVE BANK.
051455,000038:
051456,000039: # TO ENTER A JOB REQUEST REQUIRING A VAC AREA - E.G., ALL (PARTIALLY) INTERPRETIVE JOBS.
051457,000040:
051458,000041: 5147 00004 FINDVAC INHINT
051459,000042: 5150 54063 TS NEWPRIO
051460,000043: 5151 00006 EXTEND
051461,000044: 5152 50002 INDEX Q
051462,000045: 5153 30001 DCA 0
051463,000046: 5154 52066 SPVACIN DXCH NEWLOC
051464,000047: 5155 35225 CAF EXECBANK
051465,000048: 5156 56004 XCH FBANK
051466,000049: 5157 12626 TCF FINDVAC2 # OFF TO EXECUTIVE SWITCHED-BANK.
051467,000050:
051468,000051: # TO ENTER A FINDVAC WITH THE PRIORITY IN NEWPRIO TO THE 2CADR ARRIVING IN A AND L:
051469,000052: # USERS OF SPVAC MUST INHINT BEFORE STORING IN NEWPRIO.
051470,000053:
051471,000054: 5160 56002 SPVAC XCH Q
051472,000055: 5161 67715 AD NEG2
051473,000056: 5162 56002 XCH Q
051474,000057: 5163 15154 TCF SPVACIN
051475,000058:
051476,000059: # TO SUSPEND A BASIC JOB SO A HIGHER PRIORITY JOB MAY BE SERVICED:
051477,000060:
051478,000061: 5164 22002 CHANG1 LXCH Q
051479,000062: 5165 35225 CAF EXECBANK
051480,000063: 5166 56006 XCH BBANK
051481,000064: 5167 12727 TCF CHANJOB
051482,000065:
051483,000066: # TO SUSPEND AN INTERPRETIVE JOB:
051484,000067:
051485,000068: 5170 40164 CHANG2 CS LOC # NEGATIVE LOC SHOWS JOB = INTERPRETIVE.
051486,000069: # ITRACE (4) REFERS TO "CHANG2".
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Page 1209
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051488,000071: 5171 54001 TS L
051489,000072: 5172 35225 +2 CAF EXECBANK
051490,000073: 5173 54006 TS BBANK
051491,000074: 5174 12726 TCF CHANJOB -1
051492,000075:
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Page 1210
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051494,000077: # TO VOLUNTARILY SUSPEND A JOB UNTIL THE COMPLETION OF SOME ANTICIPATED EVENT (I/O EVENT ETC.):
051495,000078:
051496,000079: 5175 54164 JOBSLEEP TS LOC
051497,000080: 5176 35225 CAF EXECBANK
051498,000081: 5177 54004 TS FBANK
051499,000082: 5200 13017 TCF JOBSLP1
051500,000083:
051501,000084: # TO AWAKEN A JOB PUT TO SLEEP IN THE ABOVE FASHION:
051502,000085:
051503,000086: 5201 00004 JOBWAKE INHINT
051504,000087: 5202 54065 TS NEWLOC
051505,000088: 5203 45016 CS TWO # EXIT IS VIA FINDVAC/NOVAC PROCEDURES.
051506,000089: 5204 26002 ADS Q
051507,000090: 5205 35225 CAF EXECBANK
051508,000091: 5206 56004 XCH FBANK
051509,000092: 5207 13044 TCF JOBWAKE2
051510,000093:
051511,000094: # TO CHANGE THE PRIORITY OF A JOB CURRENTLY UNDER EXECUTION:
051512,000095:
051513,000096: 5210 00004 PRIOCHNG INHINT # NEW PRIORITY ARRIVES IN A. RETURNS TO
051514,000097: 5211 54063 TS NEWPRIO # CALLER AS SOON AS NEW JOB PRIORITY IS
051515,000098: 5212 35225 CAF EXECBANK # HIGHEST. PREPARE FOR POSSIBLE BASIC-
051516,000099: 5213 56006 XCH BBANK # STYLE CHANGE-JOB.
051517,000100: 5214 54165 TS BANKSET
051518,000101: 5215 30002 CA Q
051519,000102: 5216 13113 TCF PRIOCH2
051520,000103:
051521,000104: # TO REMOVE A JOB FROM EXECUTIVE CONSIDERATIONS:
051522,000105:
051523,000106: 5217 35225 ENDOFJOB CAF EXECBANK
051524,000107: 5220 54004 TS FBANK
051525,000108: 5221 13124 TCF ENDJOB1
051526,000109:
051527,000110: 5222 30061 ENDFIND CA EXECTEM1 # RETURN TO CALLER AFTER JOB ENTRY
051528,000111: 5223 54004 TS FBANK # COMPLETE.
051529,000112: 5224 16710 TCF Q+2
051530,000113: 5225 02626 EXECBANK CADR FINDVAC2
051531,000114:
051532,000115: 5226 00110 FAKEPRET ADRES MPAC -36D # LOC(MPAC +6) - LOC(QPRET)
051533,000116:
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Page 1211
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051535,000118: # LOCATE AN AVAILABLE VAC AREA.
051536,000119:
051537,000120: 01,2626 BANK 01
051538,000121: 01,2626 COUNT 01/EXEC
051539,000122:
051540,000123: 01,2626 54061 FINDVAC2 TS EXECTEM1 # (SAVE CALLER'S BANK FIRST.)
051541,000124: 01,2627 10400 CCS VAC1USE
051542,000125: 01,2630 12643 TCF VACFOUND
051543,000126: 01,2631 10454 CCS VAC2USE
051544,000127: 01,2632 12643 TCF VACFOUND
051545,000128: 01,2633 10530 CCS VAC3USE
051546,000129: 01,2634 12643 TCF VACFOUND
051547,000130: 01,2635 10604 CCS VAC4USE
051548,000131: 01,2636 12643 TCF VACFOUND
051549,000132: 01,2637 10660 CCS VAC5USE
051550,000133: 01,2640 12643 TCF VACFOUND
051551,000134: 01,2641 07755 TC BAILOUT
051552,000135: 01,2642 01201 OCT 1201 # NO VAC AREAS.
051553,000136:
051554,000137: 01,2643 65016 VACFOUND AD TWO # RESERVE THIS VAC AREA BY STORING A ZERO
051555,000138: 01,2644 22007 ZL # IN ITS VAC USE REGISTER AND STORE THE
051556,000139: 01,2645 50000 INDEX A # ADDRESS OF THE FIRST WORD OF IT IN THE
051557,000140: 01,2646 21777 LXCH 0 -1 # LOW NINE BITS OF THE PRIORITY WORD.
051558,000141: 01,2647 26063 ADS NEWPRIO
051559,000142:
051560,000143: 01,2650 35021 NOVAC2 CAF ZERO # NOVAC ENTERS HERE. FIND A CORE SET.
051561,000144: 01,2651 54064 TS LOCCTR
051562,000145: 01,2652 32657 CAF NO.CORES # SEVEN SETS OF ELEVEN REGISTERS EACH.
051563,000146: 01,2653 54062 NOVAC3 TS EXECTEM2
051564,000147: 01,2654 50064 INDEX LOCCTR
051565,000148: 01,2655 10167 CCS PRIORITY # EACH PRIORITY REGISTER CONTAINS -0 IF
051566,000149: 01,2656 12717 TCF NEXTCORE # THE CORRESPONDING CORE SET IS AVAILABLE.
051567,000150: 01,2657 00006 NO.CORES DEC 6 B-14
051568,000151: 01,2660 12717 TCF NEXTCORE # AN ACTIVE JOB HAS A POSITIVE PRIORITY
051569,000152: # BUT A DORMANT JOB'S PRIORITY IS NEGATIVE
051570,000153:
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Page 1212
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051572,000155: 01,2661 30063 CORFOUND CA NEWPRIO # SET THE PRIORITY OF THIS JOB IN THE CORE
051573,000156: 01,2662 50064 INDEX LOCCTR # SET'S PRIORITY REGISTER AND SET THE
051574,000157: 01,2663 54167 TS PRIORITY # JOB'S PUSH-DOWN POINTER AT THE BEGINNING
051575,000158: 01,2664 75046 MASK LOW9 # OF THE WORK AREA AND OVERFLOW INDICATOR
051576,000159: 01,2665 50064 INDEX LOCCTR
051577,000160: 01,2666 54166 TS PUSHLOC # OFF TO PREPARE FOR INTERPRETIVE PROGRAMS
051578,000161:
051579,000162: 01,2667 10064 CCS LOCCTR # IF CORE SET ZERO IS BEING LOADED, SET UP
051580,000163: 01,2670 12704 TCF SETLOC # OVFIND AND FIXLOC IMMEDIATELY.
051581,000164: 01,2671 54121 TS OVFIND
051582,000165: 01,2672 30166 CA PUSHLOC
051583,000166: 01,2673 54120 TS FIXLOC
051584,000167:
051585,000168: 01,2674 10067 SPECTEST CCS NEWJOB # SEE IF ANY ACTIVE JOBS WAITING (RARE).
051586,000169: 01,2675 12704 TCF SETLOC # MUST BE AWAKENED BUT UNCHANGED JOB.
051587,000170: 01,2676 05747 TC CCSHOLE
051588,000171: 01,2677 05747 TC CCSHOLE
051589,000172: 01,2700 54067 TS NEWJOB # +0 SHOWS ACTIVE JOB ALREADY SET.
051590,000173: 01,2701 52066 DXCH NEWLOC
051591,000174: 01,2702 52165 DXCH LOC
051592,000175: 01,2703 15222 TCF ENDFIND
051593,000176:
051594,000177: 01,2704 52066 SETLOC DXCH NEWLOC # SET UP THE LOCATION REGISTERS FOR THIS
051595,000178: 01,2705 50064 INDEX LOCCTR
051596,000179: 01,2706 52165 DXCH LOC
051597,000180: 01,2707 50067 INDEX NEWJOB # THIS INDEX INSTRUCTION INSURES THAT THE
051598,000181: 01,2710 40167 CS PRIORITY # HIGHEST ACTIVE PRIORITY WILL BE COMPARED
051599,000182: 01,2711 60063 AD NEWPRIO # WITH THE NEW PRIORITY TO SEE IF NEWJOB
051600,000183: 01,2712 00006 EXTEND # SHOULD BE SET TO SIGNAL A SWITCH.
051601,000184: 01,2713 65222 BZMF ENDFIND
051602,000185: 01,2714 30064 CA LOCCTR # LOCCTR IS LEFT SET AT THIS CORE SET IF
051603,000186: 01,2715 54067 TS NEWJOB # THE CALLER WANTS TO LOAD ANY MPAC
051604,000187: 01,2716 15222 TCF ENDFIND # REGISTERS, ETC.
051605,000188:
051606,000189: 01,2717 33054 NEXTCORE CAF COREINC
051607,000190: 01,2720 26064 ADS LOCCTR
051608,000191: 01,2721 10062 CCS EXECTEM2
051609,000192: 01,2722 12653 TCF NOVAC3
051610,000193: 01,2723 07755 TC BAILOUT # NO CORE SETS.
051611,000194: 01,2724 01202 OCT 1202
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Page 1213
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051613,000196: # THE FOLLOWING ROUTINE SWAPS CORE SET 0 WITH THAT WHOSE RELATIVE ADDRESS IS IN NEWJOB.
051614,000197:
051615,000198: 01,2725 22164 -2 LXCH LOC
051616,000199: 01,2726 30165 -1 CAE BANKSET # BANKSET, NOT BBANK, HAS RIGHT CONTENTS.
051617,000200: 01,2727 00004 CHANJOB INHINT
051618,000201: 01,2730 00006 EXTEND
051619,000202: 01,2731 04007 ROR SUPERBNK # PICK UP CURRENT SBANK FOR BBCON
051620,000203: 01,2732 56001 XCH L # LOC IN A AND BBCON IN L.
051621,000204: 01,2733 50067 +4 INDEX NEWJOB # SWAP LOC AND BANKSET.
051622,000205: 01,2734 52165 DXCH LOC
051623,000206: 01,2735 52165 DXCH LOC
051624,000207:
051625,000208: 01,2736 30165 CAE BANKSET
051626,000209: 01,2737 00006 EXTEND
051627,000210: 01,2740 01007 WRITE SUPERBNK # SET SBANK FOR NEW JOB.
051628,000211: 01,2741 52155 DXCH MPAC # SWAP MULTI-PURPOSE ACCUMULATOR AREAS.
051629,000212: 01,2742 50067 INDEX NEWJOB
051630,000213: 01,2743 52155 DXCH MPAC
051631,000214: 01,2744 52155 DXCH MPAC
051632,000215: 01,2745 52157 DXCH MPAC +2
051633,000216: 01,2746 50067 INDEX NEWJOB
051634,000217: 01,2747 52157 DXCH MPAC +2
051635,000218: 01,2750 52157 DXCH MPAC +2
051636,000219: 01,2751 52161 DXCH MPAC +4
051637,000220: 01,2752 50067 INDEX NEWJOB
051638,000221: 01,2753 52161 DXCH MPAC +4
051639,000222: 01,2754 52161 DXCH MPAC +4
051640,000223: 01,2755 52163 DXCH MPAC +6
051641,000224: 01,2756 50067 INDEX NEWJOB
051642,000225: 01,2757 52163 DXCH MPAC +6
051643,000226: 01,2760 52163 DXCH MPAC +6
051644,000227:
051645,000228: 01,2761 35021 CAF ZERO
051646,000229: 01,2762 56121 XCH OVFIND # MAKE PUSHLOC NEGATIVE IF OVFIND NZ.
051647,000230: 01,2763 00006 EXTEND
051648,000231: 01,2764 12767 BZF +3
051649,000232: 01,2765 40166 CS PUSHLOC
051650,000233: 01,2766 54166 TS PUSHLOC
051651,000234:
051652,000235: 01,2767 52167 DXCH PUSHLOC
051653,000236: 01,2770 50067 INDEX NEWJOB
051654,000237: 01,2771 52167 DXCH PUSHLOC
051655,000238: 01,2772 52167 DXCH PUSHLOC # SWAPS PUSHLOC AND PRIORITY.
051656,000239: 01,2773 35046 CAF LOW9 # SET FIXLOC TO BASE OF VAC AREA.
051657,000240: 01,2774 70167 MASK PRIORITY
051658,000241: 01,2775 54120 TS FIXLOC
051659,000242:
051660,000243: 01,2776 10166 CCS PUSHLOC # SET OVERFLOW INDICATOR ACCORDING TO
051661,000244: 01,2777 35021 CAF ZERO
051662,000245: 01,3000 13005 TCF ENDPRCHG -1
051663,000246:
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Page 1214
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051665,000248: 01,3001 40166 CS PUSHLOC
051666,000249: 01,3002 54166 TS PUSHLOC
051667,000250: 01,3003 35017 CAF ONE
051668,000251: 01,3004 56121 XCH OVFIND
051669,000252: 01,3005 54067 TS NEWJOB
051670,000253:
051671,000254: 01,3006 00003 ENDPRCHG RELINT
051672,000255: 01,3007 52165 DXCH LOC # BASIC JOBS HAVE POSITIVE ADDRESSES, SO
051673,000256: 01,3010 00006 EXTEND # DISPATCH WITH A DTCB.
051674,000257: 01,3011 63013 BZMF +2 # IF INTERPRETIVE, SET UP EBANK, ETC.
051675,000258: 01,3012 52006 DTCB
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Page 1215
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051677,000260: 01,3013 40000 COM # EPILOGUE TO JOB CHANGE FOR INTERPRETIVE
051678,000261: 01,3014 65017 AD ONE
051679,000262: 01,3015 54164 TS LOC # RESUME.
051680,000263: 01,3016 16017 TCF INTRSM
051681,000264:
051682,000265: # COMPLETE JOBSLEEP PREPARATIONS.
051683,000266:
051684,000267: 01,3017 00004 JOBSLP1 INHINT
051685,000268: 01,3020 40167 CS PRIORITY # NNZ PRIORITY SHOWS JOB ASLEEP.
051686,000269: 01,3021 54167 TS PRIORITY
051687,000270: 01,3022 36043 CAF LOW7
051688,000271: 01,3023 70006 MASK BBANK
051689,000272: 01,3024 00006 EXTEND
051690,000273: 01,3025 04007 ROR SUPERBNK # SAVE OLD SUPERBANK VALUE.
051691,000274: 01,3026 54165 TS BANKSET
051692,000275: 01,3027 45021 CS ZERO
051693,000276: 01,3030 54131 JOBSLP2 TS BUF +1 # HOLDS - HIGHEST PRIORITY.
051694,000277: 01,3031 13141 TCF EJSCAN # SCAN FOR HIGHEST PRIORITY ALA ENDOFJOB.
051695,000278:
051696,000279: 01,3032 00004 NUCHANG2 INHINT # QUICK... DONT LET NEWJOB CHANGE TO +0.
051697,000280: 01,3033 10067 CCS NEWJOB
051698,000281: 01,3034 13037 TCF +3 # NEWJOB STILL PNZ
051699,000282: 01,3035 00003 RELINT # NEW JOB HAS CHANGED TO +0. WAKE UP JOB
051700,000283: 01,3036 13233 TCF ADVAN +2 # VIA NUDIRECT. (VERY RARE CASE.)
051701,000284:
051702,000285: 01,3037 35016 CAF TWO
051703,000286: 01,3040 00006 EXTEND
051704,000287: 01,3041 05011 WOR DSALMOUT # TURN ON ACTIVITY LIGHT
051705,000288: 01,3042 52165 DXCH LOC # AND SAVE ADDRESS INFO FOR BENEFIT OF
051706,000289: 01,3043 12733 TCF CHANJOB +4 # POSSIBLE SLEEPING JOB.
051707,000290:
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Page 1216
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051709,000292: # TO WAKE UP A JOB, EACH CORE SET IS FOUND TO LOCATE ALL JOBS WHICH ARE ASLEEP. IF THE FCADR IN THE
051710,000293: # LOC REGISTER OF ANY SUCH JOB MATCHES THAT SUPPLIED BY THE CALLER, THAT JOB IS AWAKENED. IF NO JOB IS FOUND,
051711,000294: # LOCCTR IS SET TO -1 AND NO FURTHER ACTION TAKES PLACE.
051712,000295:
051713,000296: 01,3044 54061 JOBWAKE2 TS EXECTEM1
051714,000297: 01,3045 35021 CAF ZERO # BEGIN CORE SET SCAN.
051715,000298: 01,3046 54064 TS LOCCTR
051716,000299: 01,3047 32657 CAF NO.CORES
051717,000300: 01,3050 54062 JOBWAKE4 TS EXECTEM2
051718,000301: 01,3051 50064 INDEX LOCCTR
051719,000302: 01,3052 10167 CCS PRIORITY
051720,000303: 01,3053 13056 TCF JOBWAKE3 # ACTIVE JOB - CHECK NEXT CORE SET.
051721,000304: 01,3054 00014 COREINC DEC 12 B-14 # 12 REGISTERS PER CORE SET.
051722,000305: 01,3055 13065 TCF WAKETEST # SLEEPING JOB - SEE IF CADR MATCHES.
051723,000306:
051724,000307: 01,3056 33054 JOBWAKE3 CAF COREINC
051725,000308: 01,3057 26064 ADS LOCCTR
051726,000309: 01,3060 10062 CCS EXECTEM2
051727,000310: 01,3061 13050 TCF JOBWAKE4
051728,000311: 01,3062 45017 CS ONE # EXIT IF SLEEPING JOB NOT FOUND.
051729,000312: 01,3063 54064 TS LOCCTR
051730,000313: 01,3064 15222 TCF ENDFIND
051731,000314:
051732,000315: 01,3065 40065 WAKETEST CS NEWLOC
051733,000316: 01,3066 50064 INDEX LOCCTR
051734,000317: 01,3067 60164 AD LOC
051735,000318: 01,3070 00006 EXTEND
051736,000319: 01,3071 13073 BZF +2 # IF MATCH.
051737,000320: 01,3072 13056 TCF JOBWAKE3 # EXAMINE NEXT CORE SET IF NO MATCH.
051738,000321:
051739,000322: 01,3073 50064 INDEX LOCCTR # RE-COMPLEMENT PRIORITY TO SHOW JOB AWAKE
051740,000323: 01,3074 40167 CS PRIORITY
051741,000324: 01,3075 54063 TS NEWPRIO
051742,000325: 01,3076 50064 INDEX LOCCTR
051743,000326: 01,3077 54167 TS PRIORITY
051744,000327:
051745,000328: 01,3100 44364 CS FBANKMSK # MAKE UP THE 2CADR OF THE WAKE ADDRESS
051746,000329: 01,3101 70065 MASK NEWLOC # USING THE CADR IN NEWLOC AND THE EBANK
051747,000330: 01,3102 65005 AD 2K # HALF OF BBANK SAVED IN BANKSET.
051748,000331: 01,3103 56065 XCH NEWLOC
051749,000332: 01,3104 74364 MASK FBANKMSK
051750,000333: 01,3105 50064 INDEX LOCCTR
051751,000334: 01,3106 60165 AD BANKSET
051752,000335: 01,3107 54066 TS NEWLOC +1
051753,000336:
051754,000337: 01,3110 10064 CCS LOCCTR # SPECIAL TREATMENT IF THIS JOB WAS
051755,000338: 01,3111 12704 TCF SETLOC # ALREADY IN THE RUN (0) POSITION.
051756,000339: 01,3112 12674 TCF SPECTEST
051757,000340:
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Page 1217
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051759,000342: # PRIORITY CHANGE. CHANGE THE CONTENTS OF PRIORITY AND SCAN FOR THE JOB OF HIGHEST PRIORITY.
051760,000343:
051761,000344: 01,3113 54164 PRIOCH2 TS LOC
051762,000345: 01,3114 35021 CAF ZERO # SET FLAG TO TELL ENDJOB SCANNER IF THIS
051763,000346: 01,3115 54130 TS BUF # JOB IS STILL HIGHEST PRIORITY.
051764,000347: 01,3116 35046 CAF LOW9
051765,000348: 01,3117 70167 MASK PRIORITY
051766,000349: 01,3120 60063 AD NEWPRIO
051767,000350: 01,3121 54167 TS PRIORITY
051768,000351: 01,3122 40000 COM
051769,000352: 01,3123 13030 TCF JOBSLP2 # AND TO EJSCAN.
051770,000353:
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Page 1218
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051772,000355: # RELEASE THIS CORE SET AND VAC AREA AND SCAN FOR THE JOB OF HIGHEST ACTIVE PRIORITY.
051773,000356:
051774,000357: 01,3124 00004 ENDJOB1 INHINT
051775,000358: 01,3125 45021 CS ZERO
051776,000359: 01,3126 54131 TS BUF +1
051777,000360: 01,3127 56167 XCH PRIORITY
051778,000361: 01,3130 75046 MASK LOW9
051779,000362: 01,3131 54001 TS L
051780,000363:
051781,000364: 01,3132 45226 CS FAKEPRET
051782,000365: 01,3133 60001 AD L
051783,000366:
051784,000367: 01,3134 00006 EXTEND
051785,000368: 01,3135 63141 BZMF EJSCAN # NOVAC ENDOFJOB
051786,000369:
051787,000370: 01,3136 10001 CCS L
051788,000371: 01,3137 50000 INDEX A
051789,000372: 01,3140 54000 TS 0
051790,000373:
051791,000374: 01,3141 10203 EJSCAN CCS PRIORITY +12D
051792,000375: 01,3142 03206 TC EJ1
051793,000376: 01,3143 05747 TC CCSHOLE
051794,000377: 01,3144 13145 TCF +1
051795,000378:
051796,000379: 01,3145 10217 CCS PRIORITY +24D # EXAMINE EACH PRIORITY REGISTER TO FIND
051797,000380: 01,3146 03206 TC EJ1 # THE JOB OF HIGHEST ACTIVE PRIORITY.
051798,000381: 01,3147 05747 TC CCSHOLE
051799,000382: 01,3150 13151 TCF +1
051800,000383:
051801,000384: 01,3151 10233 CCS PRIORITY +36D
051802,000385: 01,3152 03206 TC EJ1
051803,000386: 01,3153 67610 -CCSPR -CCS PRIORITY
051804,000387: 01,3154 13155 TCF +1
051805,000388:
051806,000389: 01,3155 10247 CCS PRIORITY +48D
051807,000390: 01,3156 03206 TC EJ1
051808,000391: 01,3157 05747 TC CCSHOLE
051809,000392: 01,3160 13161 TCF +1
051810,000393:
051811,000394: 01,3161 10263 CCS PRIORITY +60D
051812,000395: 01,3162 03206 TC EJ1
051813,000396: 01,3163 05747 TC CCSHOLE
051814,000397: 01,3164 13165 TCF +1
051815,000398:
051816,000399: 01,3165 10277 CCS PRIORITY +72D
051817,000400: 01,3166 03206 TC EJ1
051818,000401: 01,3167 05747 TC CCSHOLE
051819,000402: 01,3170 13171 TCF +1
051820,000403:
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Page 1219
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051822,000405: # EVALUATE THE RESULTS OF THE SCAN.
051823,000406:
051824,000407: 01,3171 10131 CCS BUF +1 # SEE IF THERE ARE ANY ACTIVE JOBS WAITING
051825,000408: 01,3172 05747 TC CCSHOLE
051826,000409: 01,3173 05747 TC CCSHOLE
051827,000410:
051828,000411: 01,3174 13176 TCF +2
051829,000412: 01,3175 13223 TCF DUMMYJOB
051830,000413: 01,3176 10130 CCS BUF # BUF IS ZERO IF THIS IS A PRIOCHNG AND
051831,000414: 01,3177 13201 TCF +2 # CHANGED PRIORITY IS STILL HIGHEST.
051832,000415: 01,3200 13005 TCF ENDPRCHG -1
051833,000416:
051834,000417: 01,3201 50000 INDEX A # OTHERWISE, SET NEWJOB TO THE RELATIVE
051835,000418: 01,3202 27777 CAF 0 -1 # ADDRESS OF THE NEW JOB'S CORE SET.
051836,000419: 01,3203 63153 AD -CCSPR
051837,000420: 01,3204 54067 TS NEWJOB
051838,000421: 01,3205 12725 TCF CHANJOB -2
051839,000422:
051840,000423: 01,3206 54132 EJ1 TS BUF +2
051841,000424: 01,3207 60131 AD BUF +1 # - OLD HIGH PRIORITY.
051842,000425: 01,3210 10000 CCS A
051843,000426: 01,3211 40132 CS BUF +2
051844,000427: 01,3212 13216 TCF EJ2 # NEW HIGH PRIORITY.
051845,000428: 01,3213 13214 NOOP
051846,000429: 01,3214 50002 INDEX Q
051847,000430: 01,3215 00002 TC 2 # PROCEED WITH SEARCH.
051848,000431:
051849,000432: 01,3216 54131 EJ2 TS BUF +1
051850,000433: 01,3217 00006 EXTEND
051851,000434: 01,3220 22130 QXCH BUF # FOR LOCATING CCS PRIORITY + X INSTR.
051852,000435: 01,3221 50130 INDEX BUF
051853,000436: 01,3222 00002 TC 2
051854,000437:
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Page 1220
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051856,000439: # IDLING AND COMPUTER ACTIVITY (GREEN) LIGHT MAINTENANCE. THE IDLING ROUTINE IS NOT A JOB IN ITSELF,
051857,000440: # BUT RATHER A SUBROUTINE OF THE EXECUTIVE.
051858,000441:
051859,000442: 01,3223 1361 EBANK= SELFRET # SELF-CHECK STORAGE IN EBANK.
051860,000443:
051861,000444: 01,3223 45021 DUMMYJOB CS ZERO # SET NEWJOB TO -0 FOR IDLING.
051862,000445: 01,3224 54067 TS NEWJOB
051863,000446: 01,3225 00003 RELINT
051864,000447: 01,3226 45016 CS TWO # TURN OFF THE ACTIVITY LIGHT.
051865,000448: 01,3227 00006 EXTEND
051866,000449: 01,3230 03011 WAND DSALMOUT
051867,000450: 01,3231 10067 ADVAN CCS NEWJOB # IS A NEWJOB ACTIVE?
051868,000451: 01,3232 13032 TCF NUCHANG2 # YES... ONE REQUIRING A CHANGE JOB.
051869,000452: 01,3233 35016 CAF TWO # NEW JOB ALREADY IN POSITION FOR
051870,000453: 01,3234 13242 TCF NUDIRECT # EXECUTION.
051871,000454:
051872,000455: 01,3235 31361 CA SELFRET
051873,000456: 01,3236 54001 TS L # PUT RETURN ADDRESS IN L.
051874,000457: 01,3237 33241 CAF SELFBANK
051875,000458: 01,3240 15230 TCF SUPDXCHZ +1 # AND DISPATCH JOB.
051876,000459:
051877,000460: 01,3241 1361 EBANK= SELFRET
051878,000461: 01,3241 66102 SELFBANK BBCON SELFCHK
051879,000462:
051880,000463: 01,3242 00006 NUDIRECT EXTEND # TURN THE GREEN LIGHT BACK ON.
051881,000464: 01,3243 05011 WOR DSALMOUT
051882,000465: 01,3244 52165 DXCH LOC # JOBS STARTED IN THIS FASHION MUST BE
051883,000466: 01,3245 15227 TCF SUPDXCHZ
051884,000467:
051885,000468: 5227 BLOCK 2 # IN FIXED-FIXED SO OTHERS MAY USE.
051886,000469:
051887,000470: 5227 COUNT 02/EXEC
051888,000471:
051889,000472: # SUPDXCHZ - ROUTINE TO TRANSFER TO SUPERBANK.
051890,000473: # CALLING SEQUENCE
051891,000474: # TCF SUPDXCHZ WITH 2CADR OF DESIRED LOCATION IN A + L.
051892,000475:
051893,000476: 5227 56001 SUPDXCHZ XCH L # BASIC.
051894,000477: 5230 00006 +1 EXTEND
051895,000478: 5231 01007 WRITE SUPERBNK
051896,000479: 5232 54006 TS BBANK
051897,000480: 5233 00001 TC L
051898,000481:
051899,000482: 5234 77677 NEG100 OCT 77677
051900,000483:
051901,000484:
051902,000485:
End of include-file EXECUTIVE.agc. Parent file is MAIN.agc