Source Code
049627,000001: # Copyright: Public domain.
049628,000002: # Filename: INTEGRATION_INITIALIZATION.agc
049629,000003: # Purpose: A section of Luminary 1C, revision 131.
049630,000004: # It is part of the source code for the Lunar Module's (LM)
049631,000005: # Apollo Guidance Computer (AGC) for Apollo 13 and Apollo 14.
049632,000006: # This file is intended to be a faithful transcription, except
049633,000007: # that the code format has been changed to conform to the
049634,000008: # requirements of the yaYUL assembler rather than the
049635,000009: # original YUL assembler.
049636,000010: # Reference: pp. 1203-1224 of 1729.pdf.
049637,000011: # Contact: Ron Burkey <info@sandroid.org>.
049638,000012: # Website: www.ibiblio.org/apollo/index.html
049639,000013: # Mod history: 06/02/03 RSB. Began transcribing.
049640,000014: # 05/14/05 RSB. Corrected website reference above.
049641,000015: # 2010-10-25 JL Indentation fixes.
049642,000016:
049643,000017: # Page 1203
049644,000018: # 1.0 INTRODUCTION
049645,000019: # ----------------
049646,000020:
049647,000021: # FROM A USER'S POINT OF VIEW, ORBITAL INTEGRATION IS ESSENTIALLY THE SAME AS THE 278 INTEGRATION
049648,000022: # PROGRAM. THE SAME ENTRANCES TO THE PROGRAM WILL BE MAINTAINED, THE SAME STALLING ROUTINE WILL BE USED AND
049649,000023: # OUTPUT WILL STILL BE VIA THE PUSHLIST. THE PRIMARY DIFFERENCES TO A USER INVOLVE THE ADDED CAPABILITY OF
049650,000024: # TERMINATING INTEGRATION AT A SPECIFIC FINAL RADIUS AND THE DIFFERENCE IN STATE VECTOR SCALING INSIDE AND OUTSIDE
049651,000025: # THE LUNAR SPHERE OF INFLUENCE.
049652,000026:
049653,000027: # IN ORDER TO MAKE THE CSM(LEM)PREC AND CSM(LEM)CONIC ENTRANCES SIMILAR TO FLIGHT 278, THE INTEGRATION PROGRAM
049654,000028: # WILL ITSELF SET THE FINAL RADIUS (RFINAL) TO 0 SO THAT REACHING THE DESIRED TIME ONLY WILL TERMINATE
049655,000029: # INTEGRATION. THE DP REGISTER RFINAL MUST BE SET BY USERS OF INTEGRVS AND INTEGRV, AND MUST BE DONE AFTER THE
049656,000030: # CALL TC INTSTALL.
049657,000031:
049658,000032: # WHEN THE LM IS ON THE LUNAR SURFACE (INDICATED BY LUNAR SURFACE FLAG SET) CALLS TO LEMCONIC, LEMPREC, AND
049659,000033: # INTEGRV WITH VINFLAG = 0 WILL RESULT IN THE USE OF THE PLANETARY INERTIAL ORIENTATION SUBROUTINES TO PROVIDE
049660,000034: # BOTH THE LM'S POSITION AND VELOCITY IN THE REFERENCE COORDINATE SYSTEM.
049661,000035: # THE PROGRAM WILL PROVIDE OUTPUT AS IF INTEGRATION WAS USED. THAT IS, THE PUSHLIST WILL BE SET AS NOTED BELOW AND
049662,000036: # THE PERMANENT STATE VECTOR UPDATED WHEN SPECIFIED BY AN INTEGRV CALL.
049663,000037:
049664,000038: # USERS OF INTEGRVS DESIRING INTEGRATION (INTYPFLG = 0) SHOULD NOTE THAT THE OBLATENESS PERTURBATION COMPUTATION
049665,000039: # IN LUNAR ORBIT IS TIME DEPENDENT. THEREFORE, THE USER SHOULD SUPPLY AN INITIAL STATE VECTOR VALID AT SOME REAL
049666,000040: # TIME AND THE DESIRED TIME (TDEC1) ALSO AT SOME REAL TIME. FOR CONIC "INTEGRATION" THE USER MAY STILL USE ZERO
049667,000041: # AS THE INITIAL TIME AND DELTA TIME AS THE DESIRED TIME.
049668,000042:
049669,000043: # 2.0 CENTRAL DESCRIPTION
049670,000044: # -----------------------
049671,000045:
049672,000046: # THE INTEGRATION PROGRAM OPERATES AS A CLOSED INTERPRETIVE SUBROUTINE AND PERFORMS THESE FUNCTIONS --
049673,000047: # 1) INTEGRATES (PRECISION OR CONIC) EITHER CSM OR LM STATE VECTOR
049674,000048: # 2) INTEGRATES THE W-MATRIX
049675,000049: # 3) PERMANENT OR TEMPORARY UPDATE OF THE STATE VECTOR
049676,000050:
049677,000051: # THERE ARE SIX ENTRANCES TO THE INTEGRATION PROGRAM. FOUR OF THESE (CSMPREC, LEMPREC, CSMCONIC, LEMCONIC) SET
049678,000052: # ALL THE FLAGS REQUIRED IN THE INTEGRATION PROGRAM ITSELF TO CAUSE THE PRECISION OR CONIC INTEGRATION (KEPLER) OF
049679,000053: # THE LM OR CSM STATE VECTOR, AS THE NAMES SUGGEST. ONE ENTRANCE (INTEGRVS) PERMITS THE CALLING PROGRAM TO
049680,000054: # PROVIDE A STATE VECTOR TO BE INTEGRATED. THE CALLING PROGRAM MUST SET THE FLAGS INDICATING (1) PRECISION OR
049681,000055: # CONIC INTEGRATION, (2) IN OR OUT OF LUNAR SPHERE, (3) MIDCOURSE OR NOT, AND THE INTEGRATION PROGRAM COMPLETES
049682,000056: # THE FLAG SETTING TO BYPASS W-MATRIX INTEGRATION. THE LAST ENTRANCE (INTEGRV, USED IN GENERAL BY THE
049683,000057: # NAVIGATION PROGRAMS) PERMITS THE CALLER TO SET FIVE FLAGS (NOT MOONFLAG OR MIDFLAG) BUT NOT TO INPUT A STATE
049684,000058: # VECTOR. ANY PROGRAM WHICH CALLS INTEGRVS OR INTEGRV MUST CALL INTSTALL BEFORE IT SETS THE INTEGRATION FLAGS
049685,000059: # AND/OR STATE VECTOR.
049686,000060:
049687,000061: # THREE SETS OF 42 REGISTERS AND 2 FLAGS ARE USED FOR THE STATE VECTORS. TWO SETS, WHICH MAY NOT BE OVERLAYED, ARE
049688,000062: # USED FOR THE PERMANENT STATE VECTORS FOR THE CSM AND LM. THE THIRD SET, WHICH MAY BE OVERLAYED WHEN INTEGRATION
049689,000063: # IS NOT BEING DONE, IS USED IN THE COMPUTATIONS.
049690,000064: # THE PERMANENT STATE VECTORS WILL BE PERIODICALLY UPDATED SO THAT THE VECTORS WILL NOT BE ODER THAN 4 TIMESTEPS.
049691,000065: # THE PERMANENT STATE VECTORS WILL ALSO BE UPDATED WHENEVER THE W-MATRIX IS INTEGRATED OR WHEN A CALLER OF INTEGRV
049692,000066: # SETS STATEFLG (THE NAVIGATION PROGRAMS P20, P22.)
049693,000067:
049694,000068: # Page 1204
049695,000069: # APPENDIX B OF THE USERS' GUIDE LISTS THE STATE VECTOR QUANTITIES.
049696,000070:
049697,000071: # 2.1 RESTARTS
049698,000072:
049699,000073: # PHASE CHANGES WILL BE MADE IN THE INTEGRATION PROGRAM ONLY FOR THE INTEGRV ENTRANCE (I.E., WHEN THE W-MATRIX IS
049700,000074: # INTEGRATED OR PERMANENT STATE VECTOR IS UPDATED.) THE GROUP NUMBER USED WILL BE THAT FOR THE P20-25 PROGRAMS
049701,000075: # (I.E., GROUP2) WINCE THE INTEGRV ENTRANCE WILL ONLY BE USED BY THESE PROGRAMS. IF A RESTART OCCURS DURING AN
049702,000076: # INTEGRATION OF THE STATE VECTOR ONLY, THE RECOVERY WILL BE TO THE LAST PHASE IN THE CALLING PROGRAM. CALLING
049703,000077: # PROGRAMS WHICH USE THE INTEGRV OR INTEGRVS ENTRANCE OF INTEGRATION WHOULD ENSURE THAT IF PHASE CHANGING IS DONE
049704,000078: # THAT IT IS PRIOR TO SETTING THE INTEGRATION INPUTS IN THE PUSHLIST.
049705,000079:
049706,000080: # THIS IS BECAUSE THE PUSHLIST IS LOST DURING A RESTART.
049707,000081:
049708,000082: # 2.2 SCALING
049709,000083:
049710,000084: # THE INTEGRATION ROUTIEN WILL MAINTAIN THE PERMANENT MEMORY STATE VECTORS IN THE SCALING AND UNITS DEFINED IN
049711,000085: # APPENDIX B OF THE USERS' GUIDE. THE SCALING OF THE OUTPUT POSITION VECTOR DEPENDS ON THE ORIGIN OF THE COORDINATE
049712,000086: # SYSTEM AT THE DESIRED INTEGRATION TIME. THE COORDINATE SYSTEM TRANSFORMATION WILL BE DONE AUTOMATICALLY ON
049713,000087: # MULTIPLE TIMESTEP ENCKE INTEGRATION ONLY. THUS IT IS POSSIBLE TO HAVE OUTPUT FROM SUCCESSIVE INTEGRATIONS IN
049714,000088: # DIFFERENT SCALING.
049715,000089:
049716,000090: # HOWEVER, RATT, VATT WILL ALWAYS BE SCALED THE SAME.
049717,000091:
049718,000092: # 3.0 INPUT/OUTPUT
049719,000093: # ----------------
049720,000094:
049721,000095: # PROGRAM INPUTS ARE THE FLAGS DESCRIBED IN APPENDIX A AND THE PERMANENT STATE VECTOR QUANTITIES DESCRIBED IN
049722,000096: # APPENDIX B OF THE USERS' GUIDE, PLUS THE DESIRED TIME TO INTEGRATE TO IN TDEC1 (A PUSH LIST LOCATION).
049723,000097: # FOR INTEGRVS, THE RCV,VCV,TET OR THE TEMPORARY STATE VECTOR MUST BE SET, PLUS MOONFLAG AND MIDFLAG
049724,000098:
049725,000099: # FOR SIMULATION THE FOLLOWING QUANTITIES MUST BE PRESET ---
049726,000100: # EARTH MOON
049727,000101: # 29 27
049728,000102: # RRECTCSM(LEM) RECTIFIED POSITION VECTOR METERS 2 2
049729,000103:
049730,000104: # 7 5
049731,000105: # VRECTCSM(LEM) RECTIFIED VELOCITY VECTOR M/CSEC 2 2
049732,000106:
049733,000107: # 28 28
049734,000108: # TETCSM(LEM) TIME STATE VECTOR IS VALID CSEC 2 2
049735,000109: # CUSTOMARILY 0, BUT NOT LUNAR
049736,000110: # ORBIT DEPENDENCE ON REAL TIME.
049737,000111:
049738,000112: # 22 18
049739,000113: # DELTAVCSM(LEM) POSITION DEVIATION METERS 2 2
049740,000114: # 0 IF TCCSM(LEM) = 0
049741,000115:
049742,000116: # 3 -1
049743,000117: # NUVCSM(LEM) VELOCITY DEVIATION M/CSEC 2 2
049744,000118: # 0 IF TCCSM(LEM) = 0
049745,000119: # Page 1205
049746,000120: # 29 27
049747,000121: # RCVSM(LEM) CONIC POSITION METERS 2 2
049748,000122: # EQUALS RRECTCSM(LEM) IF
049749,000123: # TCCSM(LEM) = 0
049750,000124:
049751,000125: # 7 5
049752,000126: # VCVCSM(LEM) CONIC VELOCITY M/CSEC 2 2
049753,000127: # EQUALS VRECTCSM(LEM) IF
049754,000128: # TCCSM(LEM) = 0
049755,000129:
049756,000130: # 28 28
049757,000131: # TCCSM(LEM) TIME SINCE RECTIFICATION CSECS 2 2
049758,000132: # CUSTOMARILY 0
049759,000133:
049760,000134: # 1/2 17 16
049761,000135: # XKEPCSM(LEM) RDOT OF KEPLER'S EQUATION M 2 2
049762,000136: # 0 IF TCCSM(LEM) = 0
049763,000137:
049764,000138: # CMOONFLG PERMANENT FLAGS CORRESPONDING 0 0
049765,000139: # CMIDFLAG TO MOONFLAG AND MIDFLAG 0,1 0,1
049766,000140: # LMOONFLG C = CSM, L = LM 0 0
049767,000141: # LMIDFLG 0,1 0,1
049768,000142:
049769,000143: # SURFFLAG LUNAR SURFACE FLAG 0,1 0,1
049770,000144:
049771,000145: # IN ADDITION, IF (L)CMIDFLAG IS SET, THE INITIAL INPUT VALUES FOR LUNAR
049772,000146: # SOLAR EPHEMERIDES SUBROUTINE AND PLANETARY INERTIAL ORIENTATION SUB-
049773,000147: # ROUTINE MUST BE PRESET.
049774,000148:
049775,000149: # OUTPUT
049776,000150: # AFTER EVERY CALL TO INTEGRATION
049777,000151: # EARTH MOON
049778,000152: # 29 29
049779,000153: # 0D RATT POSITION METERS 2 2
049780,000154:
049781,000155: # 7 7
049782,000156: # 6D VATT VELOCITY M/CSEC 2 2
049783,000157:
049784,000158: # 28 28
049785,000159: # 12D TAT TIME 2 2
049786,000160:
049787,000161: # 29 27
049788,000162: # 14D RATT1 POSITION METERS 2 2
049789,000163:
049790,000164: # 7 5
049791,000165: # 20D VATT1 VELOCITY M/CSEC 2 2
049792,000166:
049793,000167: # 3 2 36 30
049794,000168: # 26D MU(P) MU M /CS 2 2
049795,000169:
049796,000170: # X1 MUTABLE ENTRY -2 -10D
049797,000171:
049798,000172: # X2 COORDINT
049799,000173: # X2 COORDINATE SYSTEM ORIGIN 0 2
049800,000174: # (THIS, NOT MOONFLAG, SHOULD BE
049801,000175: # Page 1206
049802,000176: # USED TO DETERMINE ORIGIN.)
049803,000177:
049804,000178: # IN ADDITION TO THE ABOVE, THE PERMANENT STATE VECTOR IS UPDATED WHENEVER
049805,000179: # STATEFLG WAS SET AND WHENEVER A W-MATRIX IS TO BE INTEGRATED. THE PUSH
049806,000180: # COUNTER IS SET TO 0 AND OVERFLOW IS CLEARED BEFORE RETURNING TO THE
049807,000181: # CALLING PROGRAM.
049808,000182:
049809,000183: # 4.0 CALLING SEQUENCES AND SAMPLE CODE
049810,000184: # -------------------------------------
049811,000185:
049812,000186: # A) PRECISION ORBITAL INTEGRATION. CSMPREC, LEMPREC ENTRANCES
049813,000187: # L-X STORE TIME TO 96T5791T5 T 95 PUS L9ST (T4531)
049814,000188: # L CALL
049815,000189: # L+1 CSMPREC (OR LEMPREC)
049816,000190: # L+2 RETURN
049817,000191: # INPUT 28
049818,000192: # TDEC1 (PD 32D) TIME TC INTEGRATE TO...CENTISECONDS SCALED 2
049819,000193: # OUTPUT
049820,000194: # THE DATA LISTED IN SECTION 3.2 PLUS
049821,000195: # RQVV POSITION VECTOR OF VEHICLE WITH RESPECT TO SECONDARY
049822,000196: # BODY... METERS B-29 ONLY IF MIDFLAG = DIM0FLAG = 1
049823,000197: # B) CONIC INTEGRATION. CSMCONIC, LEMCONIC ENTRANCES
049824,000198: # L-X STORE TIME IN PUSH LIST (TDEC1)
049825,000199: # L CALL
049826,000200: # L+1 CSMCONIC (OR LEMCONIC)
049827,000201: # INPUT/OUTPUT
049828,000202: # SAME AS PRECISION INTEGRATION, EXCEPT RQVV NOT SET
049829,000203: # C) INTEGRATE GIVEN STATE VECTOR. INTEGRVS ENTRANCE
049830,000204: # CALL
049831,000205: # INTSTALL
049832,000206: # VLOAD
049833,000207: # POSITION VECTOR
049834,000208: # STODL VCV
049835,000209: # TIME STATE VECTOR VALID
049836,000210: # STODL TET
049837,000211: # FINAL RADIUS
049838,000212: # STORE RFINAL
049839,000213: # SET(CLEAR) SET(CLEAR)
049840,000214: # INTYPFLAG
049841,000215: # MOONFLAG
049842,000216: # SET(CLEAR) DLOAD
049843,000217: # DESIRED TIME
049844,000218: # STCALL TDEC1
049845,000219: # INTEGRVS
049846,000220: # INPUT
049847,000221: # RCV POSITION VECTOR METERS
049848,000222: # VCV VELOCITY VECTOR M/CSEC
049849,000223: # TET TIME OF STATE VECTOR (MAY = 0) CSEC B-28
049850,000224: # Page 1207
049851,000225: # TDEC1 TIME TO INTEGRATE TO CSEC B-28 (PD 32D)
049852,000226: # (MAY BE INCREMENT IF TET=0)
049853,000227: # OUTPUT
049854,000228: # SAME AS FOR PRECISION OR CONIC INTEGRATION,
049855,000229: # DEPENDING ON INTYPFLG.
049856,000230: # D) INTEGRATE STATE VECTOR. INTGRV ENTRANCE
049857,000231: # L-X STORE TIME IN PUSH LIST (TDEC1) (MAY BE DONE AFTER CALL TO INTSTALL)
049858,000232: # L-8 CALL
049859,000233: # L-7
049860,000234: # L-6 SET(CLEAR) SET(CLEAR)
049861,000235: # L-5 VINTFLAG 1=CSM, 0=LM
049862,000236: # L-4 INTYPFLAG 1=CONIC, 0=PRECISION
049863,000237: # L-3 SET(CLEAR) SET(CLEAR)
049864,000238: # L-2 DIM0FLAG 1=W-MATRIX, 0=NO W-MATRIX
049865,000239: # L-1 D6OR9FLG 1=9X9, 0=6X6
049866,000240: # L SET DLOAD
049867,000241: # L+1 STATEFLG DESIRE PERMANENT UPDATE
049868,000242: # L+2 FINAL RAD. OF STATE VECTOR
049869,000243: # L+3 STCALL RFINAL
049870,000244: # L+4 INTEGRV
049871,000245: # L CALL NORMAL USE -- WILL UPDATE STATE
049872,000246: # L+1 INTEGRV VECTOR IF DIM0FLAG=1. (STATEFLG IS
049873,000247: # L+2 RETURN ALWAYS RESET IN INTEGRATION AFTER
049874,000248: # IT USED.)
049875,000249: # INPUT
049876,000250: # TDEC1 (PD 32D) TIME TO INTEGRATE TO CSEC B-28
049877,000251: # OUTPUT
049878,000252: # SAME AS FOR PRECISION OR CONIC INTEGRATION
049879,000253: # THE PROGRAM WILL SET MOONFLAG, MIDFLAG DEPENDING ON
049880,000254: # THE PERMANENT STATE VECTOR REPRESENTATION.
049881,000255:
049882,000256: 11,2404 BANK 11
049883,000257: 13,2000 SETLOC INTINIT
049884,000258: 13,2000 BANK
049885,000259: 13,2602 E3,1554 EBANK= RRECTCSM
049886,000260: 13,2602 COUNT* $$/INTIN
049887,000261: 13,2602 05353 STATEINT TC PHASCHNG
049888,000262: 13,2603 00052 OCT 00052
049889,000263: 13,2604 35017 CAF PRIO5
049890,000264: 13,2605 05105 TC FINDVAC
049891,000265: 13,2606 E3,1554 EBANK= RRECTCSM
049892,000266: 13,2606 02611 26063 2CADR STATINT1
049893,000267:
049894,000268: 13,2610 05261 TC TASKOVER
049895,000269: 13,2611 06042 STATINT1 TC INTPRET
049896,000270: 13,2612 47014 BON RTB
049897,000271: 13,2613 04712 QUITFLAG # KILL INTEGRATION UNTIL NEXT P00.
049898,000272: 13,2614 26652 NOINT
049899,000273: 13,2615 21574 LOADTIME
049900,000274: 13,2616 00041 STORE TDEC1
049901,000275: # Page 1208
049902,000276: 13,2617 77624 CALL
049903,000277: 13,2620 27410 INTSTALL
049904,000278: 13,2621 45014 SET CALL
049905,000279: 13,2622 01076 NODOFLAG
049906,000280: 13,2623 26643 SETIFLGS
049907,000281: 13,2624 52014 SET GOTO
049908,000282: 13,2625 01460 P00HFLAG
049909,000283: 13,2626 26026 STATEUP
049910,000284: 13,2627 00003 25140 600SECS 2DEC 60000 B-28
049911,000285:
049912,000286: 13,2631 77414 ENDINT CLEAR EXIT
049913,000287: 13,2632 01672 STATEFLG
049914,000288: 13,2633 05353 TC PHASCHNG
049915,000289: 13,2634 20032 OCT 20032
049916,000290: 13,2635 00006 EXTEND
049917,000291: 13,2636 32630 DCA 600SECS
049918,000292: 13,2637 05277 TC LONGCALL
049919,000293: 13,2640 E3,1626 EBANK= RRECTHIS
049920,000294: 13,2640 02602 26063 2CADR STATEINT
049921,000295:
049922,000296: 13,2642 05155 TC ENDOFJOB
049923,000297: 13,2643 43014 SETIFLGS SET CLEAR
049924,000298: 13,2644 01472 STATEFLG
049925,000299: 13,2645 01673 INTYPFLG
049926,000300: 13,2646 43014 CLEAR CLEAR
049927,000301: 13,2647 01676 DIM0FLAG
049928,000302: 13,2650 01675 D6OR9FLG
049929,000303: 13,2651 77616 RVQ
049930,000304: 13,2652 77776 NOINT EXIT
049931,000305: 13,2653 05353 TC PHASCHNG
049932,000306: 13,2654 00002 OCT 00002
049933,000307:
049934,000308: 13,2655 05516 TC DOWNFLAG
049935,000309: 13,2656 00221 ADRES QUITFLAG
049936,000310: 13,2657 05155 TC ENDOFJOB
049937,000311:
049938,000312: # ATOPCSM TRANSFERS RRECT TO RRECT +41 TO RRECTCSM TO RRECTCSM +41
049939,000313:
049940,000314: # CALLING SEQUENCE
049941,000315: # L CALL
049942,000316: # L+1 ATOPCSM
049943,000317:
049944,000318: # NORMAL EXIT AT L+2
049945,000319:
049946,000320: 13,2660 47020 ATOPCSM STQ RTB
049947,000321: 13,2661 00051 S2
049948,000322: 13,2662 26673 MOVEACSM
049949,000323: 13,2663 45014 SET CALL
049950,000324: 13,2664 04063 CMOONFLG
049951,000325: 13,2665 26114 SVDWN1
049952,000326: # Page 1209
049953,000327: 13,2666 43014 BON CLRGO
049954,000328: 13,2667 00303 MOONFLAG
049955,000329: 13,2670 00051 S2
049956,000330: 13,2671 04223 CMOONFLG
049957,000331: 13,2672 00051 S2
049958,000332: 13,2673 03035 MOVEACSM TC SETBANK
049959,000333: 13,2674 55500 TS DIFEQCNT # INITIALIZE INDEX
049960,000334: 13,2675 51500 INDEX DIFEQCNT
049961,000335: 13,2676 31502 CA RRECT
049962,000336: 13,2677 51500 INDEX DIFEQCNT
049963,000337: 13,2700 55554 TS RRECTCSM
049964,000338: 13,2701 11500 CCS DIFEQCNT # IS TRANSFER COMPLETE
049965,000339: 13,2702 12674 TCF MOVEACSM +1 # NO-LOOP
049966,000340: 13,2703 06064 TC DANZIG # COMPLETE -- RETURN
049967,000341:
049968,000342: # PTOACSM TRANSFERS RRECTCSM TO RRECTCSM +41 TO RRECT TO RRECT +41
049969,000343:
049970,000344: # CALLING SEQUENCE
049971,000345: # L CALL
049972,000346: # PTOACSM
049973,000347:
049974,000348: # NORMAL EXIT AT L+2
049975,000349:
049976,000350: 13,2704 43034 PTOACSM RTB BON
049977,000351: 13,2705 26722 MOVEPCSM
049978,000352: 13,2706 04303 CMOONFLG
049979,000353: 13,2707 26715 SETMOON
049980,000354: 13,2710 66214 CLRMOON CLEAR SSP
049981,000355: 13,2711 00263 MOONFLAG
049982,000356: 13,2712 02031 PBODY
049983,000357: 13,2713 00000 0
049984,000358: 13,2714 77616 RVQ
049985,000359: 13,2715 66214 SETMOON SET SSP
049986,000360: 13,2716 00063 MOONFLAG
049987,000361: 13,2717 02031 PBODY
049988,000362: 13,2720 00002 2
049989,000363: 13,2721 77616 RVQ
049990,000364: 13,2722 03035 MOVEPCSM TC SETBANK
049991,000365: 13,2723 55500 TS DIFEQCNT
049992,000366: 13,2724 51500 INDEX DIFEQCNT
049993,000367: 13,2725 31554 CA RRECTCSM
049994,000368: 13,2726 51500 INDEX DIFEQCNT
049995,000369: 13,2727 55502 TS RRECT
049996,000370: 13,2730 11500 CCS DIFEQCNT
049997,000371: 13,2731 12723 TCF MOVEPCSM +1
049998,000372: 13,2732 06064 TC DANZIG
049999,000373:
050000,000374: # ATOPLEM TRANSFERS RRECT TO RRECT +41 TO RRECTLEM TO RRECTLEM +41
050001,000375: # Page 1210
050002,000376: 13,2733 47020 ATOPLEM STQ RTB
050003,000377: 13,2734 00051 S2
050004,000378: 13,2735 26746 MOVEALEM
050005,000379: 13,2736 45014 SET CALL
050006,000380: 13,2737 04064 LMOONFLG
050007,000381: 13,2740 26070 SVDWN2
050008,000382: 13,2741 43014 BON CLRGO
050009,000383: 13,2742 00303 MOONFLAG
050010,000384: 13,2743 00051 S2
050011,000385: 13,2744 04224 LMOONFLG
050012,000386: 13,2745 00051 S2
050013,000387: 13,2746 03035 MOVEALEM TC SETBANK
050014,000388: 13,2747 55500 TS DIFEQCNT
050015,000389: 13,2750 51500 INDEX DIFEQCNT
050016,000390: 13,2751 31502 CA RRECT
050017,000391: 13,2752 51500 INDEX DIFEQCNT
050018,000392: 13,2753 55626 TS RRECTLEM
050019,000393: 13,2754 11500 CCS DIFEQCNT
050020,000394: 13,2755 12747 TCF MOVEALEM +1
050021,000395: 13,2756 06064 TC DANZIG
050022,000396:
050023,000397: # PTOALEM TRANSFERS RRECTLEM TO RRECTLEM +41 TO RRECT TO RRECT +41
050024,000398:
050025,000399: 13,2757 47014 PTOALEM BON RTB
050026,000400: 13,2760 04307 SURFFLAG
050027,000401: 13,2761 27000 USEPIOS
050028,000402: 13,2762 26767 MOVEPLEM
050029,000403: 13,2763 52014 BON GOTO
050030,000404: 13,2764 04304 LMOONFLG
050031,000405: 13,2765 26715 SETMOON
050032,000406: 13,2766 26710 CLRMOON
050033,000407: 13,2767 03035 MOVEPLEM TC SETBANK
050034,000408: 13,2770 55500 TS DIFEQCNT
050035,000409: 13,2771 51500 INDEX DIFEQCNT
050036,000410: 13,2772 31626 CA RRECTLEM
050037,000411: 13,2773 51500 INDEX DIFEQCNT
050038,000412: 13,2774 55502 TS RRECT
050039,000413: 13,2775 11500 CCS DIFEQCNT
050040,000414: 13,2776 12770 TCF MOVEPLEM +1
050041,000415: 13,2777 06064 TC DANZIG
050042,000416:
050043,000417: 13,3000 77201 USEPIOS SETPD VLOAD
050044,000418: 13,3001 00001 0
050045,000419: 13,3002 02023 RLS
050046,000420: 13,3003 41525 PDDL PUSH
050047,000421: 13,3004 00041 TDEC1
050048,000422: 13,3005 15517 STODL TET
050049,000423: 13,3006 27733 5/8
050050,000424: # Page 1211
050051,000425: 13,3007 77624 CALL
050052,000426: 13,3010 55716 RP-TO-R
050053,000427: 13,3011 25535 STOVL RCV
050054,000428: 13,3012 24001 ZUNIT
050055,000429: 13,3013 14001 STODL 0D
050056,000430: 13,3014 01517 TET
050057,000431: 13,3015 14007 STODL 6D
050058,000432: 13,3016 27733 5/8
050059,000433: 13,3017 45014 SET CALL # NEEDED FOR SETTING X1 ON EXIT
050060,000434: 13,3020 00063 MOONFLAG
050061,000435: 13,3021 55716 RP-TO-R
050062,000436: 13,3022 74235 VXV VXSC
050063,000437: 13,3023 01535 RCV
050064,000438: 13,3024 26001 OMEGMOON
050065,000439: 13,3025 25543 STOVL VCV
050066,000440: 13,3026 24007 ZEROVEC
050067,000441: 13,3027 01521 STORE TDELTAV
050068,000442: 13,3030 67174 AXT,2 SXA,2
050069,000443: 13,3031 00002 2
050070,000444: 13,3032 02030 PBODY
050071,000445: 13,3033 35527 STCALL TNUV
050072,000446: 13,3034 27156 A-PCHK
050073,000447: 13,3035 33041 SETBANK CAF INTBANK
050074,000448: 13,3036 54006 TS BBANK
050075,000449: 13,3037 33446 CAF FORTYONE
050076,000450: 13,3040 00002 TC Q
050077,000451: 13,3041 E3,1554 EBANK= RRECTCSM
050078,000452: 13,3041 26063 INTBANK BBCON INTEGRV
050079,000453:
050080,000454: # SPECIAL PURPOS ENTRIES TO ORBITAL INTEGRATION. THESE ROUTINES PROVIDE ENTRANCES TO INTEGRATION WITH
050081,000455: # APPROPRIATE SWITCHES SET OR CLEARED FOR TEH DESIRED INTEGRATION.
050082,000456:
050083,000457: # CSMPREC AND LEMPREC PERFORM ORBIT INTEGRATION BY THE ENCKE METHOD TO THE TIME INDICATED IN TDEC1.
050084,000458: # ACCELERATIONS DUE TO OBLATENESS ARE INCLUDED. NO W-MATRIX INT. IS DONE.
050085,000459: # THE PERMANENT STATE VECTOR IS NOT UPDATED.
050086,000460:
050087,000461: # CSMCONIC AND LEMCONIC PERFORM ORBIT INTEG. BY KEPLER'S METHOD TO THE TIME INDICATED IN TDEC1.
050088,000462: # NO DISTURBING ACCELERATIONS ARE INCLUDED. IN THE PROGRAM FLOW THE GIVEN
050089,000463: # STATE VECTOR IS RECTIFIED BEFORE SOLUTION OF KEPLER'S EQUATION.
050090,000464:
050091,000465: # THE ROUTINES ASSUME THAT THE CSM (LEM) STATE VECTOR IN P-MEM IS VALID.
050092,000466: # SWITCHES SET PRIOR TO ENTRY TO THE MAIN INTEG. PROG ARE AS FOLLOWS:
050093,000467: # CSMPREC CSMCONIC LEMPREC LEMCONIC
050094,000468: # VINTFLAG SET SET CLEAR CLEAR
050095,000469: # INTYPFLG CLEAR SET CLEAR SET
050096,000470: # DIM0FLAG CLEAR CLEAR CLEAR CLEAR
050097,000471:
050098,000472: # CALLING SEQUENCE
050099,000473: # L-X STORE TDEC1
050100,000474: # Page 1212
050101,000475: # L CALL (STCALL TDEC1)
050102,000476: # L+1 CSMPREC (CSMCONIC, LEMPREC, LEMCONIC)
050103,000477:
050104,000478: # NORMAL EXIT TO L+2
050105,000479:
050106,000480: # SUBROUTINES CALLED
050107,000481: # INTEGRV1
050108,000482: # PRECOUT FOR CSMPREC AND LEMPREC
050109,000483: # CONICOUT FOR CSMCONIC AND LEMCONIC
050110,000484:
050111,000485: # OUTPUT -- SEE PAGE 2 OF THIS LOG SECTION
050112,000486:
050113,000487: # INPUT
050114,000488: # TDEC1 TIME TO INTEGRATE TO. CSECS B-28
050115,000489:
050116,000490: 13,3042 45020 CSMPREC STQ CALL
050117,000491: 13,3043 00046 X1
050118,000492: 13,3044 27410 INTSTALL
050119,000493: 13,3045 43130 SXA,1 SET
050120,000494: 13,3046 02102 IRETURN
050121,000495: 13,3047 01474 VINTFLAG
050122,000496:
050123,000497: 13,3050 43014 IFLAGP SET CLEAR
050124,000498: 13,3051 01467 PRECIFLG
050125,000499: 13,3052 01676 DIM0FLAG
050126,000500: 13,3053 77614 CLRGO
050127,000501: 13,3054 01633 INTYPFLG
050128,000502: 13,3055 27135 INTEGRV1
050129,000503: 13,3056 45020 LEMPREC STQ CALL
050130,000504: 13,3057 00046 X1
050131,000505: 13,3060 27410 INTSTALL
050132,000506: 13,3061 43130 SXA,1 CLRGO
050133,000507: 13,3062 02102 IRETURN
050134,000508: 13,3063 01634 VINTFLAG
050135,000509: 13,3064 27050 IFLAGP
050136,000510:
050137,000511: 13,3065 45020 CSMCONIC STQ CALL
050138,000512: 13,3066 00046 X1
050139,000513: 13,3067 27410 INTSTALL
050140,000514: 13,3070 43130 SXA,1 SET
050141,000515: 13,3071 02102 IRETURN
050142,000516: 13,3072 01474 VINTFLAG
050143,000517: 13,3073 43014 IFLAGC CLEAR SETGO
050144,000518: 13,3074 01676 DIM0FLAG
050145,000519: 13,3075 01433 INTYPFLG
050146,000520: 13,3076 27135 INTEGRV1
050147,000521: 13,3077 45020 LEMCONIC STQ CALL
050148,000522: 13,3100 00046 X1
050149,000523: 13,3101 27410 INTSTALL
050150,000524: 13,3102 43130 SXA,1 CLRGO
050151,000525: # Page 1213
050152,000526: 13,3103 02102 IRETURN
050153,000527: 13,3104 01634 VINTFLAG
050154,000528: 13,3105 27073 IFLAGC
050155,000529:
050156,000530: 13,3106 66214 INTEGRVS SET SSP
050157,000531: 13,3107 01467 PRECIFLG
050158,000532: 13,3110 02031 PBODY
050159,000533: 13,3111 00000 0
050160,000534: 13,3112 66214 BOF SSP
050161,000535: 13,3113 00343 MOONFLAG
050162,000536: 13,3114 27117 +3
050163,000537: 13,3115 02031 PBODY
050164,000538: 13,3116 00002 2
050165,000539: 13,3117 77220 STQ VLOAD
050166,000540: 13,3120 02102 IRETURN
050167,000541: 13,3121 24007 ZEROVEC
050168,000542: 13,3122 01521 STORE TDELTAV
050169,000543: 13,3123 35527 STCALL TNUV
050170,000544: 13,3124 27671 RECTIFY
050171,000545: 13,3125 43014 CLEAR SET
050172,000546: 13,3126 01676 DIM0FLAG
050173,000547: 13,3127 04062 NEWIFLG
050174,000548: 13,3130 77614 SETGO
050175,000549: 13,3131 04020 RPQFLAG
050176,000550: 13,3132 27147 ALOADED
050177,000551:
050178,000552: # INTEGRV IS AN ENTRY TO ORBIT INTEGRATION WHICH PERMITS THE CALLER,
050179,000553: # NORMALLY THE NAVIGATION PROGRAM, TO SET THE INTEG. FLAGS. THE ROUTINE
050180,000554: # IS ENTERED AT INTEGRV1 BY CSMPREC ET. AL. AND AT ALOADED BY INTEGRVS.
050181,000555: # THE ROUTINE SETS UP A-MEMORY IF ENTERED AT INTEGRV,1 AND SETS THE INTEG.
050182,000556: # PROGRAM FOR PRECISION OR CONIC.
050183,000557:
050184,000558: # THE CALLER MUST FIRST CALL INTSTALL TO CHECK IF INTEG. IS IN USE BEFORE
050185,000559: # SETTING ANY FLAGS.
050186,000560:
050187,000561: # THE FLAGS WHICH SHOULD BE SET OR CLEARED ARE
050188,000562: # VINTFLAG (IGNORED WHEN ENTERED FROM INTEGRVS)
050189,000563: # INTYPFLG
050190,000564: # DIM0FLAG
050191,000565: # D6OR9FLG
050192,000566:
050193,000567: # CALLING SEQUENCE
050194,000568: # L-X CALL
050195,000569: # L-Y INTSTALL
050196,000570: # L-1 SET OR CLEAR ALL FOUR FLAGS. ALSO CAN SET STATEFLG IF DESIRED
050197,000571: # AND DIM0FLAG IS CLEAR.
050198,000572: # L CALL
050199,000573: # L+1 INTEGRV
050200,000574:
050201,000575: # INITIALIZATION
050202,000576: # FLAGS AS ABOVE
050203,000577: # STORE TIME TO INTEGRATE TO IN TDEC1
050204,000578:
050205,000579: # OUTPUT
050206,000580: # RATT AS
050207,000581: # Page 1214
050208,000582: # VATT DEFINED
050209,000583: # TAT BEFORE
050210,000584:
050211,000585: 13,3133 77620 INTEGRV STQ
050212,000586: 13,3134 02102 IRETURN
050213,000587: 13,3135 43014 INTEGRV1 SET SET
050214,000588: 13,3136 04060 RPQFLAG
050215,000589: 13,3137 04062 NEWIFLG
050216,000590: 13,3140 77731 INTEGRV2 SSP
050217,000591: 13,3141 00053 QPRET
050218,000592: 13,3142 27147 ALOADED
050219,000593: 13,3143 52014 BON GOTO
050220,000594: 13,3144 01714 VINTFLAG
050221,000595: 13,3145 26704 PTOACSM
050222,000596: 13,3146 26757 PTOALEM
050223,000597: 13,3147 77745 ALOADED DLOAD
050224,000598: 13,3150 00041 TDEC1
050225,000599: 13,3151 01115 STORE TDEC
050226,000600: 13,3152 52014 BOFF GOTO
050227,000601: 13,3153 01753 INTYPFLG
050228,000602: 13,3154 27256 TESTLOOP
050229,000603: 13,3155 27242 RVCON
050230,000604: 13,3156 77414 A-PCHK BOF EXIT
050231,000605: 13,3157 01752 STATEFLG
050232,000606: 13,3160 27177 RECTOUT
050233,000607: 13,3161 05353 TC PHASCHNG
050234,000608: 13,3162 04022 OCT 04022
050235,000609: 13,3163 05504 TC UPFLAG # PHASE CHANGE HAS OCCURRED BETWEEN
050236,000610: 13,3164 00236 ADRES REINTFLG # INTSTALL AND INTWAKE
050237,000611: 13,3165 06042 TC INTPRET
050238,000612: 13,3166 77731 SSP
050239,000613: 13,3167 00053 QPRET
050240,000614: 13,3170 27175 PHEXIT
050241,000615: 13,3171 52014 BON GOTO
050242,000616: 13,3172 01714 VINTFLAG
050243,000617: 13,3173 26660 ATOPCSM
050244,000618: 13,3174 26733 ATOPLEM
050245,000619: 13,3175 77624 PHEXIT CALL
050246,000620: 13,3176 11210 GRP2PC
050247,000621: 13,3177 45001 RECTOUT SETPD CALL
050248,000622: 13,3200 00001 0
050249,000623: 13,3201 27671 RECTIFY
050250,000624: 13,3202 53775 VLOAD VSL*
050251,000625: 13,3203 01503 RRECT
050252,000626: 13,3204 57576 0,2
050253,000627: 13,3205 53715 PDVL VSL* # RATT TO PD0
050254,000628: 13,3206 01511 VRECT
050255,000629: 13,3207 57576 0,2
050256,000630: 13,3210 63325 PDDL PDVL # VATT TO PD6 TAT TO PD12
050257,000631: # Page 1215
050258,000632: 13,3211 01517 TET
050259,000633: 13,3212 01503 RRECT
050260,000634: 13,3213 64715 PDVL PDDL*
050261,000635: 13,3214 01511 VRECT
050262,000636: 13,3215 51770 MUEARTH,2
050263,000637: 13,3216 76006 PUSH AXT,1
050264,000638: 13,3217 77765 DEC -10 B-14
050265,000639: 13,3220 76014 BON AXT,1
050266,000640: 13,3221 00303 MOONFLAG
050267,000641: 13,3222 27224 +2
050268,000642: 13,3223 77775 DEC -2 B-14
050269,000643: 13,3224 40001 INTEXIT SETPD BOV
050270,000644: 13,3225 00001 0
050271,000645: 13,3226 27227 +1
050272,000646: 13,3227 43014 CLEAR CLEAR
050273,000647: 13,3230 04676 AVEMIDSW # ALLOW UPDATE OF DOWNLINK STATE VECTOR
050274,000648: 13,3231 01667 PRECIFLG
050275,000649: 13,3232 77614 CLEAR
050276,000650: 13,3233 01672 STATEFLG
050277,000651: 13,3234 77535 SLOAD EXIT
050278,000652: 13,3235 02103 IRETURN
050279,000653: 13,3236 30154 CA MPAC
050280,000654: 13,3237 50120 INDEX FIXLOC
050281,000655: 13,3240 54052 TS QPRET
050282,000656: 13,3241 03421 TC INTWAKE
050283,000657:
050284,000658: # RVCON SETS UP ORBIT INTEGRATION TO DO A CONIC SOLUTION FOR POSITION AND
050285,000659: # VELOCITY FOR THE INTERVAL (TET-TDEC)
050286,000660:
050287,000661: 13,3242 45345 RVCON DLOAD DSU
050288,000662: 13,3243 01115 TDEC
050289,000663: 13,3244 01517 TET
050290,000664: 13,3245 36074 STCALL TAU.
050291,000665: 13,3246 27671 RECTIFY
050292,000666: 13,3247 77624 CALL
050293,000667: 13,3250 22404 KEPPREP
050294,000668: 13,3251 43345 DLOAD DAD
050295,000669: 13,3252 01551 TC
050296,000670: 13,3253 01517 TET
050297,000671: 13,3254 35517 STCALL TET
050298,000672: 13,3255 27177 RECTOUT
050299,000673:
050300,000674: # Page 1216
050301,000675: 13,3256 43014 TESTLOOP BOF CLRGO
050302,000676: 13,3257 04752 QUITFLAG
050303,000677: 13,3260 27263 +3
050304,000678: 13,3261 01632 STATEFLG
050305,000679: 13,3262 27224 INTEXIT # STOP INTEGRATION
050306,000680: 13,3263 73001 +3 SETPD LXA,2
050307,000681: 13,3264 00013 10D
050308,000682: 13,3265 02030 PBODY
050309,000683: 13,3266 51575 VLOAD ABVAL
050310,000684: 13,3267 01535 RCV
050311,000685: 13,3270 43006 PUSH CLEAR # RC TO 10D
050312,000686: 13,3271 00262 MIDFLAG
050313,000687: 13,3272 50023 DSU* BMN # MIDFLAG=0 IF R G.T. RMP
050314,000688: 13,3273 53755 RME,2
050315,000689: 13,3274 27277 +3
050316,000690: 13,3275 77614 SET
050317,000691: 13,3276 00062 MIDFLAG
050318,000692: 13,3277 41345 NORFINAL DLOAD DMP
050319,000693: 13,3300 00013 10D
050320,000694: 13,3301 00043 34D
050321,000695: 13,3302 55762 SR1R DDV*
050322,000696: 13,3303 51770 MUEARTH,2
050323,000697: 13,3304 41366 SQRT DMP
050324,000698: 13,3305 25762 .3D
050325,000699: 13,3306 40442 SR3 SR4 # DT IS TRUNCATED TO A MULTIPLE
050326,000700: 13,3307 54345 DLOAD SL
050327,000701: 13,3310 00155 MPAC
050328,000702: 13,3311 20220 15D # OF 128 CSECS.
050329,000703: 13,3312 40006 PUSH BOV
050330,000704: 13,3313 27340 MAXDT
050331,000705: 13,3314 50021 BDSU BMN
050332,000706: 13,3315 27407 DT/2MAX
050333,000707: 13,3316 27340 MAXDT
050334,000708: 13,3317 45345 DT/2COMP DLOAD DSU
050335,000709: 13,3320 01115 TDEC
050336,000710: 13,3321 01517 TET
050337,000711: 13,3322 54234 RTB SL
050338,000712: 13,3323 21613 SGNAGREE
050339,000713: 13,3324 20211 8D
050340,000714: 13,3325 02076 STORE DT/2 # B-19
050341,000715: 13,3326 51400 BOV ABS
050342,000716: 13,3327 27344 GETMAXDT
050343,000717: 13,3330 50025 DSU BMN # IS TIME TO INTEG. TO GR THAN MAXTIME
050344,000718: 13,3331 00015 12D
050345,000719: 13,3332 27350 P00HCHK
050346,000720: 13,3333 75345 USEMAXDT DLOAD SIGN
050347,000721: 13,3334 00015 12D
050348,000722: 13,3335 02076 DT/2
050349,000723: # Page 1217
050350,000724: 13,3336 36076 STCALL DT/2
050351,000725: 13,3337 27350 P00HCHK
050352,000726: 13,3340 65345 MAXDT DLOAD PDDL # EXCHANGE DT/2MAX WITH COMPUTED MAX.
050353,000727: 13,3341 27407 DT/2MAX
050354,000728: 13,3342 77650 GOTO
050355,000729: 13,3343 27317 DT/2COMP
050356,000730: 13,3344 77634 GETMAXDT RTB
050357,000731: 13,3345 21713 SIGNMPAC
050358,000732: 13,3346 36076 STCALL DT/2
050359,000733: 13,3347 27333 USEMAXDT
050360,000734: 13,3350 51545 P00HCHK DLOAD ABS
050361,000735: 13,3351 02076 DT/2
050362,000736: 13,3352 50025 DSU BMN
050363,000737: 13,3353 27405 DT/2MIN
050364,000738: 13,3354 27156 A-PCHK
050365,000739: 13,3355 43014 BOFF BON # NO BACKWARDS INTEGRATION
050366,000740: 13,3356 01740 P00HFLAG # WHEN IN P00
050367,000741: 13,3357 23311 TIMESTEP
050368,000742: 13,3360 01707 PRECIFLG
050369,000743: 13,3361 23311 TIMESTEP
050370,000744: 13,3362 45345 DLOAD DSU
050371,000745: 13,3363 02076 DT/2
050372,000746: 13,3364 00015 12D
050373,000747: 13,3365 43040 BMN BOFCLR
050374,000748: 13,3366 27156 A-PCHK
050375,000749: 13,3367 04242 NEWIFLG
050376,000750: 13,3370 23311 TIMESTEP
050377,000751: 13,3371 45345 DLOAD DSU
050378,000752: 13,3372 01115 TDEC
050379,000753: 13,3373 01517 TET
050380,000754: 13,3374 77640 BMN # NO BACKWARD INTEGRATION
050381,000755: 13,3375 27224 INTEXIT
050382,000756: 13,3376 40525 PDDL SR4
050383,000757: 13,3377 02076 DT/2 # IS 4(DT) LS (TDEC - TET)
050384,000758: 13,3400 44322 SR2R BDSU
050385,000759: 13,3401 52040 BMN GOTO
050386,000760: 13,3402 27224 INTEXIT
050387,000761: 13,3403 23311 TIMESTEP
050388,000762: 13,3404 00000 01400 DT/2MIN 2DEC 3 B-20
050389,000763: 13,3406 14152 00000 DT/2MAX 2DEC 4000 E2 B-20
050390,000764:
050391,000765: 13,3410 77776 INTSTALL EXIT
050392,000766: 13,3411 30106 CA RASFLAG
050393,000767: 13,3412 73462 MASK INTBITAB # IS THIS STALL AREA FREE
050394,000768: 13,3413 00006 EXTEND
050395,000769: 13,3414 13454 BZF OKTOGRAB # YES
050396,000770: 13,3415 33461 CAF WAKESTAL
050397,000771: 13,3416 05133 TC JOBSLEEP
050398,000772: 13,3417 77776 INTWAKE0 EXIT
050399,000773: # Page 1218
050400,000774: 13,3420 13441 TCF INTWAKE1
050401,000775:
050402,000776: 13,3421 40106 INTWAKE CS RASFLAG # IS THIS INTSTALLED ROUTINE TO BE
050403,000777: 13,3422 74745 MASK REINTBIT # RESTARTED
050404,000778: 13,3423 10000 CCS A
050405,000779: 13,3424 03441 TC INTWAKE1 # NO
050406,000780:
050407,000781: 13,3425 50120 INDEX FIXLOC
050408,000782: 13,3426 30052 CA QPRET
050409,000783: 13,3427 55054 TS TBASE2 # YES, DON'T RESTART WITH SOMEONE ELSE'S Q
050410,000784:
050411,000785: 13,3430 05353 TC PHASCHNG
050412,000786: 13,3431 04022 OCT 04022
050413,000787:
050414,000788: 13,3432 31054 CA TBASE2
050415,000789: 13,3433 50120 INDEX FIXLOC
050416,000790: 13,3434 54052 TS QPRET
050417,000791:
050418,000792: 13,3435 34745 CAF REINTBIT
050419,000793: 13,3436 70106 MASK RASFLAG
050420,000794: 13,3437 00006 EXTEND
050421,000795: 13,3440 13457 BZF GOBAC # DON'T INTWAKE IF WE CAME HERE VIA RESTART
050422,000796:
050423,000797: 13,3441 33461 INTWAKE1 CAF WAKESTAL
050424,000798: 13,3442 00004 INHINT
050425,000799: 13,3443 05137 TC JOBWAKE
050426,000800: 13,3444 10064 CCS LOCCTR
050427,000801: 13,3445 13441 TCF INTWAKE1
050428,000802: 13,3446 00051 FORTYONE DEC 41 B-14
050429,000803: 13,3447 43462 CS INTBITAB
050430,000804: 13,3450 70106 MASK RASFLAG
050431,000805: 13,3451 54106 TS RASFLAG # RELEASE STALL AREA
050432,000806: 13,3452 00003 RELINT
050433,000807: 13,3453 13457 TCF GOBAC
050434,000808: 13,3454 34736 OKTOGRAB CAF INTFLBIT
050435,000809: 13,3455 00004 INHINT
050436,000810: 13,3456 26106 ADS RASFLAG
050437,000811: 13,3457 06042 GOBAC TC INTPRET
050438,000812: 13,3460 77616 RVQ
050439,000813: 13,3461 27411 WAKESTAL CADR INTSTALL +1
050440,000814: 13,3462 20100 INTBITAB OCT 20100
050441,000815:
050442,000816: # Page 1219
050443,000817: # AVETOMID
050444,000818:
050445,000819: # THIS ROUTINE PERFORMS THE TRANSITION FROM A THRUSTING PHASE TO THE COAST
050446,000820: # PHASE BY INITIALIZING THIS VEHICLE'S PERMANENT STATE VECTOR WITH THE
050447,000821: # VALUES LEFT BY THE AVERAGEG ROUTINE IN RN,VN,PIPTIME.
050448,000822:
050449,000823: # BEFORE THIS IS DONE THE W-MATRIX, IF ITS VALID (OR WFLAG OR RENDWFLT IS
050450,000824: # SET) IS INTEGRATED FORWARD TO PIPTIME WITH THE PRE-THRUST STATE VECTOR.
050451,000825:
050452,000826: # IN ADDITION, THE OTHER VEHICLE IS INTEGRATED (PERMANENT) TO PIPTIME.
050453,000827:
050454,000828: # FINALLY TRKMKCNT IS ZEROED.
050455,000829:
050456,000830: 13,2000 SETLOC INTINIT
050457,000831: 13,2000 BANK
050458,000832:
050459,000833: 13,3463 COUNT* $$/INTIN
050460,000834: 13,3463 43020 AVETOMID STQ BON
050461,000835: 13,3464 02772 EGRESS
050462,000836: 13,3465 02716 RENDWFLG
050463,000837: 13,3466 27532 INT/W # W-MATRIX VALID, GO INTEGRATE IT
050464,000838: 13,3467 77614 BON
050465,000839: 13,3470 01711 ORBWFLAG
050466,000840: 13,3471 27532 INT/W # W-MATRIX VALID, GO INTEGRATE IT.
050467,000841:
050468,000842: 13,3472 45145 OTHERS DLOAD CALL # GET SET FOR OTHER VEHICLE INTEGRATION
050469,000843: 13,3473 01234 PIPTIME # DESIRED TIME
050470,000844: 13,3474 27410 INTSTALL
050471,000845: 13,3475 45014 SET CALL
050472,000846: 13,3476 01474 VINTFLAG # CM
050473,000847: 13,3477 26643 SETIFLGS # SETS UP NONE W-MAT. PERMANENT INTEG.
050474,000848: 13,3500 34041 STCALL TDEC1
050475,000849: 13,3501 27133 INTEGRV
050476,000850:
050477,000851: 13,3502 45174 AXT,2 CALL # NOW MOVE PROPERLY SCALE RN,UN AS WELL AS
050478,000852: 13,3503 00002 2 # PIPTIME TO INTEGRATION ERASABLES.
050479,000853: 13,3504 27410 INTSTALL
050480,000854: 13,3505 77014 BON AXT,2
050481,000855: 13,3506 04304 MOONTHIS
050482,000856: 13,3507 27511 +2
050483,000857: 13,3510 00000 0
050484,000858: 13,3511 53775 VLOAD VSR*
050485,000859: 13,3512 01220 RN
050486,000860: 13,3513 57176 0,2
050487,000861: 13,3514 01503 STORE RRECT
050488,000862: 13,3515 15535 STODL RCV
050489,000863: 13,3516 01234 PIPTIME
050490,000864: 13,3517 25517 STOVL TET
050491,000865: 13,3520 01226 VN
050492,000866: # Page 1220
050493,000867: 13,3521 45057 VSR* CALL
050494,000868: 13,3522 57176 0,2
050495,000869: 13,3523 27705 MINIRECT # FINISH SETTING UP STATE VECTOR
050496,000870: 13,3524 66234 RTB SSP
050497,000871: 13,3525 26746 MOVATHIS # PUT TEMP STATE VECTOR INTO PERMANENT
050498,000872: 13,3526 03463 TRKMKCNT
050499,000873: 13,3527 00000 0
050500,000874: 13,3530 77650 GOTO
050501,000875: 13,3531 47230 FAZAB5
050502,000876:
050503,000877: 13,3532 45145 INT/W DLOAD CALL
050504,000878: 13,3533 01234 PIPTIME # INTEGRATE W THRU BURN
050505,000879: 13,3534 27410 INTSTALL
050506,000880: 13,3535 43014 SET SET
050507,000881: 13,3536 01476 DIM0FLAG # DO W-MATRIX
050508,000882: 13,3537 04476 AVEMIDSW # SO WON'T CLOBBER RN,VN,PIPTIME
050509,000883: 13,3540 43014 SET CLEAR
050510,000884: 13,3541 01475 D6OR9FLG # 9X9 FOR LM
050511,000885: 13,3542 01674 VINTFLAG # LM
050512,000886: 13,3543 34041 STCALL TDEC1
050513,000887: 13,3544 27133 INTEGRV
050514,000888: 13,3545 77650 GOTO
050515,000889: 13,3546 27472 OTHERS # NOW GO DO THE OTHER VEHICLE
050516,000890:
050517,000891: # Page 1221
050518,000892: # MIDTOAV1
050519,000893:
050520,000894: # THIS ROUTINE INTEGRATES (PRECISION) TO THE TIME SPECIFIED IN TDEC1.
050521,000895: # IF, AT THE END OF AN INTEGRATION TIME STEP, CURRENT TIME PLUS A DELTA
050522,000896: # TIME (SEE TIMEDELT.....BASED ON THE COMPUTATION TIME FOR ONE TIME STEP)
050523,000897: # IS GREATER THAN THE DESIRED TIME, ALARM 1703 IS SET AND THE INTEGRATION
050524,000898: # IS DONE TO THE CURRENT TIME.
050525,000899: # RETURN IS IN BASIC TO THE RETURN ADDRESS PLUS ONE.
050526,000900:
050527,000901: # IF THE INTEGRATION IS FINISHED TO THE DESIRED TIME, RETURN IS IN BASIC
050528,000902: # TO THE RETURN ADDRESS.
050529,000903:
050530,000904: # IN EITHER CASE, BEFORE RETURNING, THE EXTRAPOLATED STATE VECTOR IS TRANSFERRED
050531,000905: # FROM R,VATT TO R,VN1 -- PIPTIME1 IS SET TO THE FINISHING INTEGRATION
050532,000906: # TIME AND MPAC IS SET TO THE DELTA TIME --
050533,000907: # TAT MINUS CURRENT TIME
050534,000908:
050535,000909: # MIDTOAV2
050536,000910:
050537,000911: # THIS ROUTINE INTEGRATES THIS VEHICLE'S STATE VECTOR TO THE CURRENT TIME.
050538,000912: # NO INPUTS ARE REQUIRED OF THE CALLER. RETURN IS IN BASIC TO THE RETURN
050539,000913: # ADDRESS WITH THE ABOVE TRANSFERS TO R,VN1 -- PIPTIME1 -- AND MPAC DONE
050540,000914:
050541,000915: 13,3547 E7,1744 EBANK= IRETURN1
050542,000916: 13,3547 43020 MIDTOAV2 STQ CLRGO # INTEGRATE TO PRESENT TIME PLUS TIMEDELT
050543,000917: 13,3550 03744 IRETURN1
050544,000918: 13,3551 04634 MID1FLAG
050545,000919: 13,3552 27566 ENTMID2
050546,000920:
050547,000921: 13,3553 43020 MIDTOAV1 STQ SET # INTEGRATE TO TDEC1
050548,000922: 13,3554 03744 IRETURN1
050549,000923: 13,3555 04474 MID1FLAG
050550,000924: 13,3556 43234 RTB DAD # INITIAL CHECK, IS TDEC1 IN THE FUTURE
050551,000925: 13,3557 21574 LOADTIME
050552,000926: 13,3560 27670 TIMEDELT
050553,000927: 13,3561 51021 BDSU BPL
050554,000928: 13,3562 00041 TDEC1
050555,000929: 13,3563 27572 ENTMID1 # Y5S
050556,000930: 13,3564 77624 CALL
050557,000931: 13,3565 27656 NOTIME # NO, SET ALARM, SWITCH TO MIDTOAV2
050558,000932:
050559,000933: 13,3566 43234 ENTMID2 RTB DAD
050560,000934: 13,3567 21574 LOADTIME
050561,000935: 13,3570 27670 TIMEDELT
050562,000936: 13,3571 00041 STORE TDEC1
050563,000937:
050564,000938: 13,3572 77624 ENTMID1 CALL
050565,000939: 13,3573 27410 INTSTALL
050566,000940: 13,3574 45014 CLEAR CALL
050567,000941: # Page 1222
050568,000942: 13,3575 01676 DIM0FLAG # NO W-MATRIX
050569,000943: 13,3576 26066 THISVINT
050570,000944: 13,3577 43014 CLEAR SET
050571,000945: 13,3600 01673 INTYPFLG
050572,000946: 13,3601 04475 MIDAVFLG # LET INTEG. KNOW THE CALL IS FOR MIDTOAV.
050573,000947: 13,3602 77624 CALL
050574,000948: 13,3603 27133 INTEGRV # GO INTEGRATE
050575,000949: 13,3604 77214 CLEAR VLOAD
050576,000950: 13,3605 04675 MIDAVFLG
050577,000951: 13,3606 00001 RATT
050578,000952: 13,3607 27545 STOVL RN1
050579,000953: 13,3610 00007 VATT
050580,000954: 13,3611 17553 STODL VN1
050581,000955: 13,3612 00015 TAT
050582,000956: 13,3613 03561 STORE PIPTIME1
050583,000957: 13,3614 66134 SXA,2 SXA,1
050584,000958: 13,3615 02777 RTX2
050585,000959: 13,3616 02776 RTX1
050586,000960: 13,3617 77776 EXIT
050587,000961:
050588,000962: 13,3620 00004 INHINT
050589,000963: 13,3621 00006 EXTEND
050590,000964: 13,3622 40025 DCS TIME2
050591,000965: 13,3623 20155 DAS MPAC
050592,000966: 13,3624 07262 TC TPAGREE
050593,000967:
050594,000968: 13,3625 31744 CA IRETURN1
050595,000969: 13,3626 04640 TC BANKJUMP
050596,000970: 13,3627 47014 CKMID2 BOF RTB
050597,000971: 13,3630 04754 MID1FLAG
050598,000972: 13,3631 27646 MID2
050599,000973: 13,3632 21574 LOADTIME
050600,000974: 13,3633 44215 DAD BDSU
050601,000975: 13,3634 27670 TIMEDELT
050602,000976: 13,3635 01115 TDEC
050603,000977: 13,3636 45044 BPL CALL
050604,000978: 13,3637 27256 TESTLOOP # YES
050605,000979: 13,3640 27656 NOTIME
050606,000980:
050607,000981: 13,3641 43234 TIMEINC RTB DAD
050608,000982: 13,3642 21574 LOADTIME
050609,000983: 13,3643 27670 TIMEDELT
050610,000984: 13,3644 35115 STCALL TDEC
050611,000985: 13,3645 27256 TESTLOOP
050612,000986:
050613,000987: 13,3646 45345 MID2 DLOAD DSU
050614,000988: 13,3647 01115 TDEC
050615,000989: 13,3650 01517 TET
050616,000990: 13,3651 45246 ABS DSU
050617,000991: 13,3652 27666 3CSECS
050618,000992:
050619,000993: # Page 1223
050620,000994: 13,3653 52040 BMN GOTO
050621,000995: 13,3654 27156 A-PCHK
050622,000996: 13,3655 27641 TIMEINC
050623,000997:
050624,000998: 13,3656 77414 NOTIME CLEAR EXIT # TOO LATE
050625,000999: 13,3657 04674 MID1FLAG
050626,001000: 13,3660 25744 INCR IRETURN1 # SET ERROR EXIT (CALLOC +2)
050627,001001: 13,3661 05567 TC ALARM # INSUFFICIENT TIME FOR INTEGRATION --
050628,001002: 13,3662 01703 OCT 1703 # TIG WILL BE SLIPPED...
050629,001003: 13,3663 06042 TC INTPRET
050630,001004: 13,3664 77616 RVQ
050631,001005:
050632,001006: 13,3665 00000 00003 3CSECS 2DEC 3 B-28
050633,001007: 13,3667 00000 03720 TIMEDELT 2DEC 2000 B-28
050634,001008:
050635,001009: 27,3361 BANK 27
050636,001010: 04,2000 SETLOC UPDATE2
050637,001011: 04,2000 BANK
050638,001012: 04,3131 1166 EBANK= INTWAKUQ
050639,001013:
050640,001014: 04,3131 COUNT* $$/INTIN
050641,001015:
050642,001016: 04,3131 1166 INTWAKUQ = INTWAK1Q # TEMPORARY UNTIL NAME OF INTWAK1Q IS CHNG
050643,001017:
050644,001018: 04,3131 00003 INTWAKEU RELINT
050645,001019: 04,3132 00006 EXTEND
050646,001020: 04,3133 23166 QXCH INTWAKUQ # SAVE Q FOR RETURN
050647,001021:
050648,001022: 04,3134 06042 TC INTPRET
050649,001023:
050650,001024: 04,3135 53135 SLOAD BZE # IS THIS A CSM/LEM STATE VECTOR UPDATE
050651,001025: 04,3136 01502 UPSVFLAG # REQUEST. IF NOT GO TO INTWAKUP.
050652,001026: 04,3137 11176 INTWAKUP
050653,001027:
050654,001028: 04,3140 77775 VLOAD # MOVE PRECT(6) AND VRECT(6) INTO
050655,001029: 04,3141 01503 RRECT # RCV(6) AND VCV(6) RESPECTIVELY.
050656,001030: 04,3142 25535 STOVL RCV
050657,001031: 04,3143 01511 VRECT # NOW GO TO `RECTIFY +13D' TO
050658,001032: 04,3144 77624 CALL # STORE VRECT INTO VCV AND ZERO OUT
050659,001033: 04,3145 27706 RECTIFY +13D # TDELTAV(6),TNUV(6),TC(2), AND XKEP(2)
050660,001034: 04,3146 51535 SLOAD ABS # COMPARE ABSOLUTE VALUE OF `UPSVFLAG'
050661,001035: 04,3147 01502 UPSVFLAG # TO `UPDATE MOON STATE VECTOR CODE'
050662,001036: 04,3150 53025 DSU BZE # TO DETERMINE WHETHER THE STATE VECTOR TO
050663,001037: 04,3151 11207 UPMNSVCD # BE UPDATED IS IN THE EARTH OR LUNAR
050664,001038: 04,3152 11157 INTWAKEM # SPHERE OF INFLUENCE........
050665,001039: 04,3153 43174 AXT,2 CLRGO # EARTH SPHERE OF INFLUENCE.
050666,001040: 04,3154 00000 DEC 0 B-14
050667,001041: 04,3155 00223 MOONFLAG
050668,001042: # Page 1224
050669,001043: 04,3156 11162 INTWAKEC
050670,001044: 04,3157 43174 INTWAKEM AXT,2 SET # LUNAR SPHERE OF INFLUENCE.
050671,001045: 04,3160 00002 DEC 2 B-14
050672,001046: 04,3161 00063 MOONFLAG
050673,001047: 04,3162 50135 INTWAKEC SLOAD BMN # COMMON CODING AFTER X2 INITIALIZED AND
050674,001048: # MOONFLAG SET (OR CLEARED).
050675,001049: 04,3163 01502 UPSVFLAG # IS THIS A REQUEST FOR A LEM OR CSM
050676,001050: 04,3164 11172 INTWAKLM # STATE VECTOR UPDATE......
050677,001051: 04,3165 77624 CALL # UPDATE CSM STATE VECTOR
050678,001052: 04,3166 26660 ATOPCSM
050679,001053:
050680,001054: 04,3167 52014 CLEAR GOTO
050681,001055: 04,3170 01671 ORBWFLAG
050682,001056: 04,3171 11174 INTWAKEX
050683,001057:
050684,001058: 04,3172 77624 INTWAKLM CALL # UPDATE LM STATE VECTOR
050685,001059: 04,3173 26733 ATOPLEM
050686,001060:
050687,001061: 04,3174 77614 INTWAKEX CLEAR
050688,001062: 04,3175 02676 RENDWFLG
050689,001063:
050690,001064: 04,3176 45131 INTWAKUP SSP CALL # REMOVE `UPDATE STATE VECTOR INDICATOR'
050691,001065: 04,3177 01502 UPSVFLAG
050692,001066: 04,3200 00000 0
050693,001067: 04,3201 27417 INTWAKE0 # RELEASE `GRAB' OF ORBIT INTEG.
050694,001068: 04,3202 77776 EXIT
050695,001069:
050696,001070: 04,3203 05353 TC PHASCHNG
050697,001071: 04,3204 04026 OCT 04026
050698,001072: 04,3205 01166 TC INTWAKUQ
050699,001073:
050700,001074: 04,3206 00002 UPMNSVCD OCT 2
050701,001075: 04,3207 00000 OCT 0
050702,001076:
050703,001077: 04,3210 77420 GRP2PC STQ EXIT
050704,001078: 04,3211 02711 GRP2SVQ
050705,001079: 04,3212 05353 TC PHASCHNG
050706,001080: 04,3213 04022 OCT 04022
050707,001081: 04,3214 06042 TC INTPRET
050708,001082: 04,3215 77650 GOTO
050709,001083: 04,3216 02711 GRP2SVQ
050710,001084:
End of include-file INTEGRATION_INITIALIZATION.agc. Parent file is MAIN.agc