Source Code
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These source-code files are part of a reconstructed copy of Luminary 98, a
development version of the Apollo 11 Lunar Module (LM) Apollo Guidance Computer
(AGC) software.
The reconstruction began with source code of Luminary 99 revision 1 previously
transcribed from a digitized copy of that program. The code was then updated
by undoing changes described in original Luminary memo 85, using asterisks
indicating changed lines in the listing as a guide. While no listing of this
version is known to exist, nor are the memory-bank checksums available,
the reconstruction is believed to be correct because it was an an intermediate
step in reconstructing Luminary 97 whose reconstruction was
verified by matching memory-bank checksums to those listed in drawing 2021152G.
Note that page numbers in the reconstructed code match those on the Luminary 099
revision 001 printout, although the added code would likely have changed page
numbers for a real Luminary 98 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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050184,000002: ## Copyright: Public domain.
050185,000003: ## Filename: INTEGRATION_INITIALIZATION.agc
050186,000004: ## Purpose: A section of Luminary revision 98.
050187,000005: ## It is part of the reconstructed source code for the a
050188,000006: ## development version of the flight software for the Lunar
050189,000007: ## Module's (LM) Apollo Guidance Computer (AGC) for Apollo 11.
050190,000008: ## The code has been recreated from a copy of Luminary 99
050191,000009: ## revision 001, using asterisks indicating changed lines in
050192,000010: ## the listing and Luminary Memo #85, which lists changes between
050193,000011: ## Luminary 98 and 99.
050194,000012: ## Reference: pp. 1205-1226
050195,000013: ## Assembler: yaYUL
050196,000014: ## Contact: Ron Burkey <info@sandroid.org>.
050197,000015: ## Website: www.ibiblio.org/apollo/index.html
050198,000016: ## Mod history: 2019-07-28 MAS Created from Luminary 99.
050199,000017:
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Page 1205
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050201,000019: # 1.0 INTRODUCTION
050202,000020: # ----------------
050203,000021:
050204,000022: # FROM A USERS POINT OF VIEW, ORBITAL INTEGRATION IS ESSENTIALLY THE SAME AS THE 278 INTEGRATION
050205,000023: # PROGRAM. THE SAME ENTRANCES TO THE PROGRAM WILL BE MAINTAINED, THE SAME STALLING ROUTINE WILL BE USED AND
050206,000024: # OUTPUT WILL STILL BE VIA THE PUSHLIST. THE PRIMARY DIFFERENCES TO A USER INVOLVE THE ADDED CAPABILITY OF
050207,000025: # TERMINATING INTEGRATION AT A SPECIFIC FINAL RADIUS AND THE DIFFERENCE IN STATE VECTOR SCALING INSIDE AND OUT-
050208,000026: # SIDE THE LUNAR SPHERE OF INFLUENCE.
050209,000027:
050210,000028: # IN ORDER TO MAKE THE CSM(LEM)PREC AND CSM(LEM)CONIC ENTRANCES SIMILAR TO FLIGHT 278, THE INTEGRATION PROGRAM
050211,000029: # WILL ITSELF SET THE FINAL RADIUS (RFINAL) TO 0 SO THAT REACHING THE DESIRED TIME ONLY WILL TERMINATE
050212,000030: # INTEGRATION. THE DP REGISTER RFINAL MUST BE SET BY USERS OF INTEGRVS AND INTEGRV, AND MUST BE DONE AFTER THE
050213,000031: # CALL TC INTSTALL.
050214,000032:
050215,000033: # WHEN THE LM IS ON THE LUNAR SURFACE (INDICATED BY LUNAR SURFACE FLAG SET) CALLS TO LEMCONIC, LEMPREC, AND
050216,000034: # INTEGRV WITH VINFLAG = 0 WILL RESULT IN THE USE OF THE PLANETARY INERTIAL ORIENTATION SUBROUTINES TO PROVIDE
050217,000035: # BOTH THE LMS POSITION AND VELOCITY IN THE REFERENCE COORDINATE SYSTEM.
050218,000036: # THE PROGRAM WILL PROVIDE OUTPUT AS IF INTEGRATION WAS USED. THAT IS, THE PUSHLIST WILL BE SET AS NOTED BELOW AND
050219,000037: # THE PERMANENT STATE VECTOR UPDATED WHEN SPECIFIED BY AN INTEGRV CALL.
050220,000038:
050221,000039: # USERS OF INTEGRVS DESIRING INTEGRATION (INTYPFLG = 0) SHOULD NOTE THAT THE OBLATENESS PERTURBATION COMPUTATION
050222,000040: # IN LUNAR ORBIT IS TIME DEPENDENT. THEREFORE, THE USER SHOULD SUPPLY AN INITIAL STATE VECTOR VALID AT SOME REAL
050223,000041: # TIME AND THE DESIRED TIME (TDEC1) ALSO AT SOME REAL TIME. FOR CONIC ,,INTEGRATION,, THE USER MAY STILL USE ZERO
050224,000042: # AS THE INITIAL TIME AND DELTA TIME AS THE DESIRED TIME.
050225,000043:
050226,000044: # 2.0 GENERAL DESCRIPTION
050227,000045: # -----------------------
050228,000046:
050229,000047: # THE INTEGRATION PROGRAM OPERATES AS A CLOSED INTERPRETIVE SUBROUTINE AND PERFORMS THESE FUNCTIONS ---
050230,000048: # 1) INTEGRATES (PRECISION OR CONIC) EITHER CSM OR LM STATE VECTOR
050231,000049: # 2) INTEGRATES THE W-MATRIX
050232,000050: # 3) PERMANENT OR TEMPORARY UPDATE OF THE STATE VECTOR
050233,000051:
050234,000052: # THERE ARE SIX ENTRANCES TO THE INTEGRATION PROGRAM. FOUR OF THESE (CSMPREC, LEMPREC, CSMCONIC, LEMCONIC) SET
050235,000053: # ALL THE FLAGS REQUIRED IN THE INTEGRATION PROGRAM ITSELF TO CAUSE THE PRECISION OR CONIC INTEGRATION (KEPLER) OF
050236,000054: # THE LM OR CSM STATE VECTOR, AS THE NAMES SUGGEST. ONE ENTRANCE (INTEGRVS) PERMITS THE CALLING PROGRAM TO
050237,000055: # PROVIDE A STATE VECTOR TO BE INTEGRATED. THE CALLING PROGRAM MUST SET THE FLAGS INDICATING (1) PRECISION OR
050238,000056: # CONIC INTEGRATION, (2) IN OR OUT OF LUNAR SPHERE, (3) MIDCOURSE OR NOT, AND THE INTEGRATION PROGRAM COMPLETES
050239,000057: # THE FLAG SETTING TO BYPASS W-MATRIX INTEGRATION. THE LAST ENTRANCE (INTEGRV, USED IN GENERAL BY THE
050240,000058: # NAVIGATION PROGRAMS) PERMITS THE CALLER TO SET FIVE FLAGS (NOT MOONFLAG OR MIDFLAG) BUT NOT TO INPUT A STATE
050241,000059: # VECTOR. ANY PROGRAM WHICH CALLS INTEGRVS OR INTEGRV MUST CALL INTSTALL BEFORE IT SETS THE INTEGRATION FLAGS
050242,000060: # AND/OR STATE VECTOR.
050243,000061:
050244,000062: # THREE SETS OF 42 REGISTERS AND 2 FLAGS ARE USED FOR THE STATE VECTORS. TWO SETS, WHICH MAY NOT BE OVERLAYED, ARE
050245,000063: # USED FOR THE PERMANENT STATE VECTORS FOR THE CSM AND LM. THE THIRD SET, WHICH MAY BE OVERLAYED WHEN INTEGRATION
050246,000064: # IS NOT BEING DONE, IS USED IN THE COMPUTATIONS.
050247,000065:
050248,000066: # THE PERMANENT STATE VECTORS WILL BE PERIODICALLY UPDATED SO THAT THE VECTORS WILL NOT BE OLDER THAN 4 TIMESTEPS.
050249,000067: # THE PERMANENT STATE VECTORS WILL ALSO BE UPDATED WHENEVER THE W-MATRIX IS INTEGRATED OR WHEN A CALLER OF INTEGRV
050250,000068: # SETS STATEFLG (THE NAVIGATION PROGRAMS P20, P22.)
050251,000069:
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Page 1206
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050253,000071: # APPENDIX B OF THE USERS GUIDE LISTS THE STATE VECTOR QUANTITIES.
050254,000072:
050255,000073: # 2.1 RESTARTS
050256,000074:
050257,000075: # PHASE CHANGES WILL BE MADE IN THE INTEGRATION PROGRAM ONLY FOR THE INTEGRV ENTRANCE (I.E., WHEN THE W-MATRIX IS
050258,000076: # INTEGRATED OR PERMANENT STATE VECTOR IS UPDATED.) THE GROUP NUMBER USED WILL BE THAT FOR THE P20-25 PROGRAMS
050259,000077: # (I.E., GROUP2) SINCE THE INTEGRV ENTRANCE WILL ONLY BE USED BY THESE PROGRAMS. IF A RESTART OCCURS DURING AN
050260,000078: # INTEGRATION OF THE STATE VECTOR ONLY, THE RECOVERY WILL BE TO THE LAST PHASE IN THE CALLING PROGRAM. CALLING
050261,000079: # PROGRAMS WHICH USE THE INTEGRV OR INTEGRVS ENTRANCE OF INTEGRATION SHOULD ENSURE THAT IF PHASE CHANGING IS DONE
050262,000080: # THAT IT IS PRIOR TO SETTING THE INTEGRATION INPUTS IN THE PUSHLIST.
050263,000081: # THIS IS BECAUSE THE PUSHLIST IS LOST DURING A RESTART.
050264,000082:
050265,000083: # 2.2 SCALING
050266,000084:
050267,000085: # THE INTEGRATION ROUTINE WILL MAINTAIN THE PERMANENT MEMORY STATE VECTORS IN THE SCALING AND UNITS DEFINED IN
050268,000086: # APPENDIX B OF THE USERS GUIDE. THE SCALING OF THE OUTPUT POSITION VECTOR DEPENDS ON THE ORIGIN OF THE COORDINATE
050269,000087: # SYSTEM AT THE DESIRED INTEGRATION TIME. THE COORDINATE SYSTEM TRANSFORMATION WILL BE DONE AUTOMATICALLY ON
050270,000088: # MULTIPLE TIMESTEP ENCKE INTEGRATION ONLY. THUS IT IS POSSIBLE TO HAVE OUTPUT FROM SUCCESSIVE INTEGRATIONS IN
050271,000089: # DIFFERENT SCALING.
050272,000090: # HOWEVER, RATT, VATT WILL ALWAYS BE SCALED THE SAME.
050273,000091:
050274,000092: # 3.0 INPUT/OUTPUT
050275,000093: # ----------------
050276,000094:
050277,000095: # PROGRAM INPUTS ARE THE FLAGS DESCRIBED IN APPENDIX A AND THE PERMANENT STATE VECTOR QUANTITIES DESCRIBED IN AP-
050278,000096: # PENDIX B OF THE USERS GUIDE, PLUS THE DESIRED TIME TO INTEGRATE TO IN TDEC1 (A PUSH LIST LOCATION).
050279,000097: # FOR INTEGRVS, THE RCV,VCV,TET OF THE TEMPORARY STATE VECTOR MUST BE SET, PLUS MOONFLAG AND MIDFLAG
050280,000098:
050281,000099: # FOR SIMULATION THE FOLLOWING QUANTITIES MUST BE PRESET ---
050282,000100: # EARTH MOON
050283,000101: # 29 27
050284,000102: # RRECTCSM(LEM) - RECTIFIED POSITION VECTOR METERS 2 2
050285,000103:
050286,000104: # 7 5
050287,000105: # VRECTCSM(LEM) - RECTIFIED VELOCITY VECTOR M/CSEC 2 2
050288,000106:
050289,000107: # 28 28
050290,000108: # TETCSM(LEM) - TIME STATE VECTOR IS VALID CSEC 2 2
050291,000109: # CUSTOMARILY 0, BUT NOTE LUNAR
050292,000110: # ORBIT DEPENDENCE ON REAL TIME.
050293,000111:
050294,000112: # 22 18
050295,000113: # DELTAVCSM(LEM) - POSITION DEVIATION METERS 2 2
050296,000114: # 0 IF TCCSM(LEM) = 0
050297,000115:
050298,000116: # 3 -1
050299,000117: # NUVCSM(LEM) - VELOCITY DEVIATION M/CSEC 2 2
050300,000118: # 0 IF TCCSM(LEM) = 0
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Page 1207
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050302,000120: # 29 27
050303,000121: # RCVCSM(LEM) - CONIC POSITION METERS 2 2
050304,000122: # EQUALS RRECTCSM(LEM) IF
050305,000123: # TCCSM(LEM) = 0
050306,000124:
050307,000125: # 7 5
050308,000126: # VCVCSM(LEM) - CONIC VELOCITY M/CSEC 2 2
050309,000127: # EQUALS VRECTCSM(LEM) IF
050310,000128: # TCCSM(LEM) = 0
050311,000129:
050312,000130: # 28 28
050313,000131: # TCCSM(LEM) - TIME SINCE RECTIFICATION CSECS 2 2
050314,000132: # CUSTOMARILY 0
050315,000133:
050316,000134: # 1/2 17 16
050317,000135: # XKEPCSM(LEM) - ROOT OF KEPLERS EQUATION M 2 2
050318,000136: # 0 IF TCCSM(LEM) = 0
050319,000137:
050320,000138: # CMOONFLG - PERMANENT FLAGS CORRESPONDING 0 0
050321,000139: # CMIDFLAG TO MOONFLAG AND MIDFLAG 0,1 0,1
050322,000140: # LMOONFLG C = CSM, L = LM 0 0
050323,000141: # LMIDFLG 0,1 0,1
050324,000142:
050325,000143: # SURFFLAG - LUNAR SURFACE FLAG 0,1 0,1
050326,000144:
050327,000145: # IN ADDITION, IF (L)CMIDFLAG IS SET, THE INITIAL INPUT VALUES FOR LUNAR
050328,000146: # SOLAR EPHEMERIDES SUBROUTINE AND PLANETARY INERTIAL ORIENTATION SUB-
050329,000147: # ROUTINE MUST BE PRESET.
050330,000148:
050331,000149: # OUTPUT
050332,000150: # AFTER EVERY CALL TO INTEGRATION
050333,000151: # EARTH MOON
050334,000152: # 29 29
050335,000153: # 0D RATT POSITION METERS 2 2
050336,000154:
050337,000155: # 7 7
050338,000156: # 6D VATT VELOCITY M/CSEC 2 2
050339,000157:
050340,000158: # 28 28
050341,000159: # 12D TAT TIME 2 2
050342,000160:
050343,000161: # 29 27
050344,000162: # 14D RATT1 POSITION METERS 2 2
050345,000163:
050346,000164: # 7 5
050347,000165: # 20D VATT1 VELOCITY M/CSEC 2 2
050348,000166:
050349,000167: # 3 2 36 30
050350,000168: # 26D MU(P) MU M /CS 2 2
050351,000169:
050352,000170: # X1 MUTABLE ENTRY -2 -10D
050353,000171:
050354,000172: # X2 COORDINT
050355,000173: # X2 COORDINATE SYSTEM ORIGEN 0 2
050356,000174: # (THIS, NOT MOONFLAG, SHOULD BE
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Page 1208
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050358,000176: # USED TO DETERMINE ORIGIN.)
050359,000177:
050360,000178: # IN ADDITION TO THE ABOVE, THE PERMANENT STATE VECTOR IS UPDATED WHENEVER
050361,000179: # STATEFLG WAS SET AND WHENEVER A W-MATRIX IS TO BE INTEGRATED. THE PUSH
050362,000180: # COUNTER IS SET TO 0 AND OVERFLOW IS CLEARED BEFORE RETURNING TO THE
050363,000181: # CALLING PROGRAM.
050364,000182:
050365,000183: # 4.0 CALLING SEQUENCES AND SAMPLE CODE
050366,000184: # -------------------------------------
050367,000185:
050368,000186: # A) PRECISION ORBITAL INTEGRATION. CSMPREC, LEMPREC ENTRANCES
050369,000187: # L-X STORE TIME TO 95T5791T5 T 95 PUS L9ST (T4531)
050370,000188: # L CALL
050371,000189: # L+1 CSMPREC (OR LEMPREC)
050372,000190: # L+2 RETURN
050373,000191: # INPUT 28
050374,000192: # TDEC1 (PD 32D) TIME TO INTEGRATE TO...CENTISECONDS SCALED 2
050375,000193: # OUTPUT
050376,000194: # THE DATA LISTED IN SECTION 3.0 PLUS
050377,000195: # RQVV POSITION VECTOR OF VEHICLE WITH RESPECT TO SECONDARY
050378,000196: # BODY... METERS B-29 ONLY IF MIDFLAG = DIMOFLAG = 1
050379,000197: # B) CONIC INTEGRATION. CSMCONIC, LEMCONIC ENTRANCES
050380,000198: # L-X STORE TIME IN PUSH LIST (TDEC1)
050381,000199: # L CALL
050382,000200: # L+1 CSMCONIC (OR LEMCONIC)
050383,000201: # INPUT/OUTPUT
050384,000202: # SAME AS PRECISION INTEGRATION, EXCEPT RQVV NOT SET
050385,000203: # C) INTEGRATE GIVEN STATE VECTOR. INTEGRVS ENTRANCE
050386,000204: # CALL
050387,000205: # INTSTALL
050388,000206: # VLOAD
050389,000207: # POSITION VECTOR
050390,000208: # STOVL RCV
050391,000209: # VELOCITY VECTOR
050392,000210: # STODL VCV
050393,000211: # TIME STATE VECTOR VALID
050394,000212: # STODL TET
050395,000213: # FINAL RADIUS
050396,000214: # STORE RFINAL
050397,000215: # SET(CLEAR) SET(CLEAR)
050398,000216: # INTYPFLAG
050399,000217: # MOONFLAG
050400,000218: # SET(CLEAR) DLOAD
050401,000219: # DESIRED TIME
050402,000220: # STCALL TDEC1
050403,000221: # INTEGRVS
050404,000222: # INPUT
050405,000223: # RCV POSITION VECTOR METERS
050406,000224: # VCV VELOCITY VECTOR M/CSEC
050407,000225: # TET TIME OF STATE VECTOR (MAY = 0) CSEC B-28
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Page 1209
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050409,000227: # TDEC1 TIME TO INTEGRATE TO CSEC B-28 (PD 32D)
050410,000228: # (MAY BE INCREMENT IF TET=0)
050411,000229: # OUTPUT
050412,000230: # SAME AS FOR PRECISION OR CONIC INTEGRATION,
050413,000231: # DEPENDING ON INTYPFLG.
050414,000232: # D) INTEGRATE STATE VECTOR. INTGRV ENTRANCE
050415,000233: # L-X STORE TIME IN PUSH LIST (TDEC1) (MAY BE DONE AFTER CALL TO INTSTALL)
050416,000234: # L-8 CALL
050417,000235: # L-7
050418,000236: # L-6 SET(CLEAR) SET(CLEAR)
050419,000237: # L-5 VINTFLAG 1=CSM, 0=LM
050420,000238: # L-4 INTYPFLAG 1=CONIC, 0=PRECISION
050421,000239: # L-3 SET(CLEAR) SET(CLEAR)
050422,000240: # L-2 DIMOFLAG 1=W-MATRIX, 0=NO W-MATRIX
050423,000241: # L-1 D6OR9FLG 1=9X9, 0=6X6
050424,000242: # L SET DLOAD
050425,000243: # L+1 STATEFLG DESIRE PERMANENT UPDATE
050426,000244: # L+2 FINAL RAD. OF STATE VECTOR
050427,000245: # L+3 STCALL RFINAL
050428,000246: # L+4 INTEGRV
050429,000247: # L CALL NORMAL USE -- WILL UPDATE STATE
050430,000248: # L+1 INTEGRV VECTOR IF DIMOFLAG=1. (STATEFLG IS
050431,000249: # L+2 RETURN ALWAYS RESET IN INTEGRATION AFTER
050432,000250: # IT IS USED.)
050433,000251: # INPUT
050434,000252: # TDEC1 (PD 32D) TIME TO INTEGRATE TO CSEC B-28
050435,000253: # OUTPUT
050436,000254: # SAME AS FOR PRECISION OR CONIC INTEGRATION
050437,000255: # THE PROGRAM WILL SET MOONFLAG, MIDFLAG DEPENDING ON
050438,000256: # THE PERMANENT STATE VECTOR REPRESENTATION.
050439,000257:
050440,000258: 11,2376 BANK 11
050441,000259: 13,2000 SETLOC INTINIT
050442,000260: 13,2000 BANK
050443,000261: 13,2604 E3,1554 EBANK= RRECTCSM
050444,000262: 13,2604 COUNT* $$/INTIN
050445,000263: 13,2604 05353 STATEINT TC PHASCHNG
050446,000264: 13,2605 00052 OCT 00052
050447,000265: 13,2606 35017 CAF PRIO5
050448,000266: 13,2607 05105 TC FINDVAC
050449,000267: 13,2610 E3,1554 EBANK= RRECTCSM
050450,000268: 13,2610 02613 26063 2CADR STATINT1
050451,000269:
050452,000270: 13,2612 05261 TC TASKOVER
050453,000271: 13,2613 06037 STATINT1 TC INTPRET
050454,000272: 13,2614 47014 BON RTB
050455,000273: 13,2615 04712 QUITFLAG # KILL INTEGRATION UNTIL NEXT POO.
050456,000274: 13,2616 26653 NOINT
050457,000275: 13,2617 21573 LOADTIME
050458,000276: 13,2620 00041 STORE TDEC1
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Page 1210
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050460,000278: 13,2621 77624 CALL
050461,000279: 13,2622 27414 INTSTALL
050462,000280: 13,2623 45014 SET CALL
050463,000281: 13,2624 01076 NODOFLAG
050464,000282: 13,2625 26644 SETIFLGS
050465,000283: 13,2626 77650 GOTO
050466,000284: 13,2627 26026 STATEUP
050467,000285: 13,2630 00003 25140 600SECS 2DEC 60000 B-28
050468,000286:
050469,000287: 13,2632 77414 ENDINT CLEAR EXIT
050470,000288: 13,2633 01672 STATEFLG
050471,000289: 13,2634 05353 TC PHASCHNG
050472,000290: 13,2635 20032 OCT 20032
050473,000291: 13,2636 00006 EXTEND
050474,000292: 13,2637 32631 DCA 600SECS
050475,000293: 13,2640 05277 TC LONGCALL
050476,000294: 13,2641 E3,1626 EBANK= RRECTHIS
050477,000295: 13,2641 02604 26063 2CADR STATEINT
050478,000296:
050479,000297: 13,2643 05155 TC ENDOFJOB
050480,000298: 13,2644 43014 SETIFLGS SET CLEAR
050481,000299: 13,2645 01472 STATEFLG
050482,000300: 13,2646 01673 INTYPFLG
050483,000301: 13,2647 43014 CLEAR CLEAR
050484,000302: 13,2650 01676 DIM0FLAG
050485,000303: 13,2651 01675 D6OR9FLG
050486,000304: 13,2652 77616 RVQ
050487,000305: 13,2653 77776 NOINT EXIT
050488,000306: 13,2654 05353 TC PHASCHNG
050489,000307: 13,2655 00002 OCT 00002
050490,000308:
050491,000309: 13,2656 05516 TC DOWNFLAG
050492,000310: 13,2657 00221 ADRES QUITFLAG
050493,000311: 13,2660 05155 TC ENDOFJOB
050494,000312:
050495,000313: # ATOPCSM TRANSFERS RRECT TO RRECT +41 TO RRECTCSM TO RRECTCSM +41
050496,000314:
050497,000315: # CALLING SEQUENCE
050498,000316: # L CALL
050499,000317: # L+1 ATOPCSM
050500,000318:
050501,000319: # NORMAL EXIT AT L+2
050502,000320:
050503,000321: 13,2661 47020 ATOPCSM STQ RTB
050504,000322: 13,2662 00051 S2
050505,000323: 13,2663 26674 MOVEACSM
050506,000324: 13,2664 45014 SET CALL
050507,000325: 13,2665 04063 CMOONFLG
050508,000326: 13,2666 26114 SVDWN1
050509,000327: 13,2667 43014 BON CLRGO
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Page 1211
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050511,000329: 13,2670 00303 MOONFLAG
050512,000330: 13,2671 00051 S2
050513,000331: 13,2672 04223 CMOONFLG
050514,000332: 13,2673 00051 S2
050515,000333: 13,2674 03036 MOVEACSM TC SETBANK
050516,000334: 13,2675 55500 TS DIFEQCNT # INITIALIZE INDEX
050517,000335: 13,2676 51500 INDEX DIFEQCNT
050518,000336: 13,2677 31502 CA RRECT
050519,000337: 13,2700 51500 INDEX DIFEQCNT
050520,000338: 13,2701 55554 TS RRECTCSM
050521,000339: 13,2702 11500 CCS DIFEQCNT # IS TRANSFER COMPLETE
050522,000340: 13,2703 12675 TCF MOVEACSM +1 # NO-LOOP
050523,000341: 13,2704 06061 TC DANZIG # COMPLETE - RETURN
050524,000342:
050525,000343: # PTOACSM TRANSFERS RRECTCSM TO RRECTCSM +41 TO RRECT TO RRECT +41
050526,000344:
050527,000345: # CALLING SEQUENCE
050528,000346: # L CALL
050529,000347: # PTOACSM
050530,000348:
050531,000349: # NORMAL EXIT AT L+2
050532,000350:
050533,000351: 13,2705 43034 PTOACSM RTB BON
050534,000352: 13,2706 26723 MOVEPCSM
050535,000353: 13,2707 04303 CMOONFLG
050536,000354: 13,2710 26716 SETMOON
050537,000355: 13,2711 66214 CLRMOON CLEAR SSP
050538,000356: 13,2712 00263 MOONFLAG
050539,000357: 13,2713 02031 PBODY
050540,000358: 13,2714 00000 0
050541,000359: 13,2715 77616 RVQ
050542,000360: 13,2716 66214 SETMOON SET SSP
050543,000361: 13,2717 00063 MOONFLAG
050544,000362: 13,2720 02031 PBODY
050545,000363: 13,2721 00002 2
050546,000364: 13,2722 77616 RVQ
050547,000365: 13,2723 03036 MOVEPCSM TC SETBANK
050548,000366: 13,2724 55500 TS DIFEQCNT
050549,000367: 13,2725 51500 INDEX DIFEQCNT
050550,000368: 13,2726 31554 CA RRECTCSM
050551,000369: 13,2727 51500 INDEX DIFEQCNT
050552,000370: 13,2730 55502 TS RRECT
050553,000371: 13,2731 11500 CCS DIFEQCNT
050554,000372: 13,2732 12724 TCF MOVEPCSM +1
050555,000373: 13,2733 06061 TC DANZIG
050556,000374:
050557,000375: # ATOPLEM TRANSFERS RRECT TO RRECT +41 TO RRECTLEM TO RRECTLEM +41
050558,000376: 13,2734 47020 ATOPLEM STQ RTB
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Page 1212
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050560,000378: 13,2735 00051 S2
050561,000379: 13,2736 26747 MOVEALEM
050562,000380: 13,2737 45014 SET CALL
050563,000381: 13,2740 04064 LMOONFLG
050564,000382: 13,2741 26070 SVDWN2
050565,000383: 13,2742 43014 BON CLRGO
050566,000384: 13,2743 00303 MOONFLAG
050567,000385: 13,2744 00051 S2
050568,000386: 13,2745 04224 LMOONFLG
050569,000387: 13,2746 00051 S2
050570,000388: 13,2747 03036 MOVEALEM TC SETBANK
050571,000389: 13,2750 55500 TS DIFEQCNT
050572,000390: 13,2751 51500 INDEX DIFEQCNT
050573,000391: 13,2752 31502 CA RRECT
050574,000392: 13,2753 51500 INDEX DIFEQCNT
050575,000393: 13,2754 55626 TS RRECTLEM
050576,000394: 13,2755 11500 CCS DIFEQCNT
050577,000395: 13,2756 12750 TCF MOVEALEM +1
050578,000396: 13,2757 06061 TC DANZIG
050579,000397:
050580,000398: # PTOALEM TRANSFERS RRECTLEM TO RRECTLEM +41 TO RRECT TO RRECT +41
050581,000399:
050582,000400: 13,2760 47014 PTOALEM BON RTB
050583,000401: 13,2761 04307 SURFFLAG
050584,000402: 13,2762 27001 USEPIOS
050585,000403: 13,2763 26770 MOVEPLEM
050586,000404: 13,2764 52014 BON GOTO
050587,000405: 13,2765 04304 LMOONFLG
050588,000406: 13,2766 26716 SETMOON
050589,000407: 13,2767 26711 CLRMOON
050590,000408: 13,2770 03036 MOVEPLEM TC SETBANK
050591,000409: 13,2771 55500 TS DIFEQCNT
050592,000410: 13,2772 51500 INDEX DIFEQCNT
050593,000411: 13,2773 31626 CA RRECTLEM
050594,000412: 13,2774 51500 INDEX DIFEQCNT
050595,000413: 13,2775 55502 TS RRECT
050596,000414: 13,2776 11500 CCS DIFEQCNT
050597,000415: 13,2777 12771 TCF MOVEPLEM +1
050598,000416: 13,3000 06061 TC DANZIG
050599,000417:
050600,000418: 13,3001 77201 USEPIOS SETPD VLOAD
050601,000419: 13,3002 00001 0
050602,000420: 13,3003 02023 RLS
050603,000421: 13,3004 41525 PDDL PUSH
050604,000422: 13,3005 00041 TDEC1
050605,000423: 13,3006 15517 STODL TET
050606,000424: 13,3007 27712 5/8
050607,000425: 13,3010 77624 CALL
|
|
Page 1213
|
050609,000427: 13,3011 55716 RP-TO-R
050610,000428: 13,3012 25535 STOVL RCV
050611,000429: 13,3013 24001 ZUNIT
050612,000430: 13,3014 14001 STODL 0D
050613,000431: 13,3015 01517 TET
050614,000432: 13,3016 14007 STODL 6D
050615,000433: 13,3017 27712 5/8
050616,000434: 13,3020 45014 SET CALL # NEEDED FOR SETTING X1 ON EXIT
050617,000435: 13,3021 00063 MOONFLAG
050618,000436: 13,3022 55716 RP-TO-R
050619,000437: 13,3023 74235 VXV VXSC
050620,000438: 13,3024 01535 RCV
050621,000439: 13,3025 26001 OMEGMOON
050622,000440: 13,3026 25543 STOVL VCV
050623,000441: 13,3027 24007 ZEROVEC
050624,000442: 13,3030 01521 STORE TDELTAV
050625,000443: 13,3031 67174 AXT,2 SXA,2
050626,000444: 13,3032 00002 2
050627,000445: 13,3033 02030 PBODY
050628,000446: 13,3034 35527 STCALL TNUV
050629,000447: 13,3035 27157 A-PCHK
050630,000448: 13,3036 33042 SETBANK CAF INTBANK
050631,000449: 13,3037 54006 TS BBANK
050632,000450: 13,3040 33452 CAF FORTYONE
050633,000451: 13,3041 00002 TC Q
050634,000452: 13,3042 E3,1554 EBANK= RRECTCSM
050635,000453: 13,3042 26063 INTBANK BBCON INTEGRV
050636,000454:
050637,000455: # SPECIAL PURPOSE ENTRIES TO ORBITAL INTEGRATION. THESE ROUTINES PROVIDE ENTRANCES TO INTEGRATION WITH
050638,000456: # APPROPRIATE SWITCHES SET OR CLEARED FOR THE DESIRED INTEGRATION.
050639,000457:
050640,000458: # CSMPREC AND LEMPREC PERFORM ORBIT INTEGRATION BY THE ENCKE METHOD TO THE TIME INDICATED IN TDEC1
050641,000459: # ACCELERATIONS DUE TO OBLATENESS ARE INCLUDED. NO W-MATRIX INT. IS DONE.
050642,000460: # THE PERMANENT STATE VECTOR IS NOT UPDATED.
050643,000461:
050644,000462: # CSMCONIC AND LEMCONIC PERFORM ORBIT INTEG. BY KEPLERS METHOD TO THE TIME INDICATED IN TDEC1
050645,000463: # NO DISTURBING ACCELERATIONS ARE INCLUDED. IN THE PROGRAM FLOW THE GIVEN
050646,000464: # STATE VECTOR IS RECTIFIED BEFORE SOLUTION OF KEPLERS EQUATION
050647,000465:
050648,000466: # THE ROUTINES ASSUME THAT THE CSM (LEM) STATE VECTOR IN P-MEM IS VALID.
050649,000467: # SWITCHES SET PRIOR TO ENTRY TO THE MAIN INTEG. PROG ARE AS FOLLOWS
050650,000468: # CSMPREC CSMCONIC LEMPREC LEMCONIC
050651,000469: # VINTFLAG SET SET CLEAR CLEAR
050652,000470: # INTYPFLG CLEAR SET CLEAR SET
050653,000471: # DIM0FLAG CLEAR CLEAR CLEAR CLEAR
050654,000472:
050655,000473: # CALLING SEQUENCE
050656,000474: # L-X STORE TDEC1
050657,000475: # L CALL (STCALL TDEC1)
|
|
Page 1214
|
050659,000477: # L+1 CSMPREC (CSMCONIC, LEMPREC, LEMCONIC)
050660,000478:
050661,000479: # NORMAL EXIT TO L+2
050662,000480:
050663,000481: # SUBROUTINES CALLED
050664,000482: # INTEGRV1
050665,000483: # PRECOUT FOR CSMPREC AND LEMPREC
050666,000484: # CONICOUT FOR CSMCONIC AND LEMCONIC
050667,000485:
050668,000486: # OUTPUT - SEE PAGE 2 OF THIS LOG SECTION
050669,000487:
050670,000488: # INPUT
050671,000489: # TDEC1 TIME TO INTEGRATE TO. CSECS B-28
050672,000490:
050673,000491: 13,3043 45020 CSMPREC STQ CALL
050674,000492: 13,3044 00046 X1
050675,000493: 13,3045 27414 INTSTALL
050676,000494: 13,3046 43130 SXA,1 SET
050677,000495: 13,3047 02102 IRETURN
050678,000496: 13,3050 01474 VINTFLAG
050679,000497:
050680,000498: 13,3051 43014 IFLAGP SET CLEAR
050681,000499: 13,3052 01467 PRECIFLG
050682,000500: 13,3053 01676 DIM0FLAG
050683,000501: 13,3054 77614 CLRGO
050684,000502: 13,3055 01633 INTYPFLG
050685,000503: 13,3056 27136 INTEGRV1
050686,000504: 13,3057 45020 LEMPREC STQ CALL
050687,000505: 13,3060 00046 X1
050688,000506: 13,3061 27414 INTSTALL
050689,000507: 13,3062 43130 SXA,1 CLRGO
050690,000508: 13,3063 02102 IRETURN
050691,000509: 13,3064 01634 VINTFLAG
050692,000510: 13,3065 27051 IFLAGP
050693,000511:
050694,000512: 13,3066 45020 CSMCONIC STQ CALL
050695,000513: 13,3067 00046 X1
050696,000514: 13,3070 27414 INTSTALL
050697,000515: 13,3071 43130 SXA,1 SET
050698,000516: 13,3072 02102 IRETURN
050699,000517: 13,3073 01474 VINTFLAG
050700,000518: 13,3074 43014 IFLAGC CLEAR SETGO
050701,000519: 13,3075 01676 DIM0FLAG
050702,000520: 13,3076 01433 INTYPFLG
050703,000521: 13,3077 27136 INTEGRV1
050704,000522: 13,3100 45020 LEMCONIC STQ CALL
050705,000523: 13,3101 00046 X1
050706,000524: 13,3102 27414 INTSTALL
050707,000525: 13,3103 43130 SXA,1 CLRGO
050708,000526: 13,3104 02102 IRETURN
|
|
Page 1215
|
050710,000528: 13,3105 01634 VINTFLAG
050711,000529: 13,3106 27074 IFLAGC
050712,000530:
050713,000531: 13,3107 66214 INTEGRVS SET SSP
050714,000532: 13,3110 01467 PRECIFLG
050715,000533: 13,3111 02031 PBODY
050716,000534: 13,3112 00000 0
050717,000535: 13,3113 66214 BOF SSP
050718,000536: 13,3114 00343 MOONFLAG
050719,000537: 13,3115 27120 +3
050720,000538: 13,3116 02031 PBODY
050721,000539: 13,3117 00002 2
050722,000540: 13,3120 77220 STQ VLOAD
050723,000541: 13,3121 02102 IRETURN
050724,000542: 13,3122 24007 ZEROVEC
050725,000543: 13,3123 01521 STORE TDELTAV
050726,000544: 13,3124 35527 STCALL TNUV
050727,000545: 13,3125 23441 RECTIFY
050728,000546: 13,3126 43014 CLEAR SET
050729,000547: 13,3127 01676 DIM0FLAG
050730,000548: 13,3130 04062 NEWIFLG
050731,000549: 13,3131 77614 SETGO
050732,000550: 13,3132 04020 RPQFLAG
050733,000551: 13,3133 27150 ALOADED
050734,000552:
050735,000553: # INTEGRV IS AN ENTRY TO ORBIT INTEGRATION WHICH PERMITS THE CALLER,
050736,000554: # NORMALLY THE NAVIGATION PROGRAM, TO SET THE INTEG. FLAGS. THE ROUTINE
050737,000555: # IS ENTERED AT INTEGRV1 BY CSMPREC ET. AL. AND AT ALOADED BY INTEGRVS.
050738,000556: # THE ROUTINE SETS UP A-MEMORY IF ENTERED AT INTEGRV,1 AND SETS THE INTEG.
050739,000557: # PROGRAM FOR PRECISION OR CONIC
050740,000558:
050741,000559: # THE CALLER MUST FIRST CALL INTSTALL TO CHECK IF INTEG. IS IN USE BEFORE
050742,000560: # SETTING ANY FLAGS.
050743,000561:
050744,000562: # THE FLAGS WHICH SHOULD BE SET OR CLEARED ARE
050745,000563: # VINTFLAG (IGNORED WHEN ENTERED FROM INTEGRVS)
050746,000564: # INTYPFLG
050747,000565: # DIM0FLAG
050748,000566: # D6OR9FLG
050749,000567:
050750,000568: # CALLING SEQUENCE
050751,000569: # L-X CALL
050752,000570: # L-Y INTSTALL
050753,000571: # L-1 SET OR CLEAR ALL FOUR FLAGS. ALSO CAN SET STATEFLG IF DESIRED
050754,000572: # AND DIM0FLAG IS CLEAR.
050755,000573: # L CALL
050756,000574: # L+1 INTEGRV
050757,000575:
050758,000576: # INITIALIZATION
050759,000577: # FLAGS AS ABOVE
050760,000578: # STORE TIME TO INTEGRATE TO IN TDEC1
050761,000579:
050762,000580: # OUTPUT
050763,000581: # RATT AS
050764,000582: # VATT DEFINED
|
|
Page 1216
|
050766,000584: # TAT BEFORE
050767,000585:
050768,000586: 13,3134 77620 INTEGRV STQ
050769,000587: 13,3135 02102 IRETURN
050770,000588: 13,3136 43014 INTEGRV1 SET SET
050771,000589: 13,3137 04060 RPQFLAG
050772,000590: 13,3140 04062 NEWIFLG
050773,000591: 13,3141 77731 INTEGRV2 SSP
050774,000592: 13,3142 00053 QPRET
050775,000593: 13,3143 27150 ALOADED
050776,000594: 13,3144 52014 BON GOTO
050777,000595: 13,3145 01714 VINTFLAG
050778,000596: 13,3146 26705 PTOACSM
050779,000597: 13,3147 26760 PTOALEM
050780,000598: 13,3150 77745 ALOADED DLOAD
050781,000599: 13,3151 00041 TDEC1
050782,000600: 13,3152 01116 STORE TDEC
050783,000601: 13,3153 52014 BOFF GOTO
050784,000602: 13,3154 01753 INTYPFLG
050785,000603: 13,3155 27257 TESTLOOP
050786,000604: 13,3156 27243 RVCON
050787,000605: 13,3157 77414 A-PCHK BOF EXIT
050788,000606: 13,3160 01752 STATEFLG
050789,000607: 13,3161 27200 RECTOUT
050790,000608: 13,3162 05353 TC PHASCHNG
050791,000609: 13,3163 04022 OCT 04022
050792,000610: 13,3164 05504 TC UPFLAG # PHASE CHANGE HAS OCCURRED BETWEEN
050793,000611: 13,3165 00236 ADRES REINTFLG # INTSTALL AND INTWAKE
050794,000612: 13,3166 06037 TC INTPRET
050795,000613: 13,3167 77731 SSP
050796,000614: 13,3170 00053 QPRET
050797,000615: 13,3171 27176 PHEXIT
050798,000616: 13,3172 52014 BON GOTO
050799,000617: 13,3173 01714 VINTFLAG
050800,000618: 13,3174 26661 ATOPCSM
050801,000619: 13,3175 26734 ATOPLEM
050802,000620: 13,3176 77624 PHEXIT CALL
050803,000621: 13,3177 11244 GRP2PC
050804,000622: 13,3200 45001 RECTOUT SETPD CALL
050805,000623: 13,3201 00001 0
050806,000624: 13,3202 23441 RECTIFY
050807,000625: 13,3203 53775 VLOAD VSL*
050808,000626: 13,3204 01503 RRECT
050809,000627: 13,3205 57576 0,2
050810,000628: 13,3206 53715 PDVL VSL* # RATT TO PD0
050811,000629: 13,3207 01511 VRECT
050812,000630: 13,3210 57576 0,2
050813,000631: 13,3211 63325 PDDL PDVL # VATT TO PD6 TAT TO PD12
050814,000632: 13,3212 01517 TET
|
|
Page 1217
|
050816,000634: 13,3213 01503 RRECT
050817,000635: 13,3214 64715 PDVL PDDL*
050818,000636: 13,3215 01511 VRECT
050819,000637: 13,3216 51770 MUEARTH,2
050820,000638: 13,3217 76006 PUSH AXT,1
050821,000639: 13,3220 77765 DEC -10 B-14
050822,000640: 13,3221 76014 BON AXT,1
050823,000641: 13,3222 00303 MOONFLAG
050824,000642: 13,3223 27225 +2
050825,000643: 13,3224 77775 DEC -2 B-14
050826,000644: 13,3225 40001 INTEXIT SETPD BOV
050827,000645: 13,3226 00001 0
050828,000646: 13,3227 27230 +1
050829,000647: 13,3230 43014 CLEAR CLEAR
050830,000648: 13,3231 04676 AVEMIDSW # ALLOW UPDATE OF DOWNLINK STATE VECTOR
050831,000649: 13,3232 01667 PRECIFLG
050832,000650: 13,3233 77614 CLEAR
050833,000651: 13,3234 01672 STATEFLG
050834,000652: 13,3235 77535 SLOAD EXIT
050835,000653: 13,3236 02103 IRETURN
050836,000654: 13,3237 30154 CA MPAC
050837,000655: 13,3240 50120 INDEX FIXLOC
050838,000656: 13,3241 54052 TS QPRET
050839,000657: 13,3242 03425 TC INTWAKE
050840,000658:
050841,000659: # RVCON SETS UP ORBIT INTEGRATION TO DO A CONIC SOLUTION FOR POSITION AND
050842,000660: # VELOCITY FOR THE INTERVAL (TET-TDEC)
050843,000661:
050844,000662: 13,3243 45345 RVCON DLOAD DSU
050845,000663: 13,3244 01116 TDEC
050846,000664: 13,3245 01517 TET
050847,000665: 13,3246 36074 STCALL TAU.
050848,000666: 13,3247 23441 RECTIFY
050849,000667: 13,3250 77624 CALL
050850,000668: 13,3251 22376 KEPPREP
050851,000669: 13,3252 43345 DLOAD DAD
050852,000670: 13,3253 01551 TC
050853,000671: 13,3254 01517 TET
050854,000672: 13,3255 35517 STCALL TET
050855,000673: 13,3256 27200 RECTOUT
050856,000674:
|
|
Page 1218
|
050858,000676: # TESTLOOP
050859,000677:
050860,000678: 13,3257 43014 TESTLOOP BOF CLRGO
050861,000679: 13,3260 04752 QUITFLAG
050862,000680: 13,3261 27264 +3
050863,000681: 13,3262 01632 STATEFLG
050864,000682: 13,3263 27225 INTEXIT # STOP INTEGRATION
050865,000683: 13,3264 73001 +3 SETPD LXA,2
050866,000684: 13,3265 00013 10D
050867,000685: 13,3266 02030 PBODY
050868,000686: 13,3267 51575 VLOAD ABVAL
050869,000687: 13,3270 01535 RCV
050870,000688: 13,3271 43006 PUSH CLEAR # RC TO 10D
050871,000689: 13,3272 00262 MIDFLAG
050872,000690: 13,3273 50023 DSU* BMN # MIDFLAG=0 IF R G.T. RMP
050873,000691: 13,3274 53755 RME,2
050874,000692: 13,3275 27300 +3
050875,000693: 13,3276 77614 SET
050876,000694: 13,3277 00062 MIDFLAG
050877,000695: 13,3300 41345 NORFINAL DLOAD DMP
050878,000696: 13,3301 00013 10D
050879,000697: 13,3302 00043 34D
050880,000698: 13,3303 55762 SR1R DDV*
050881,000699: 13,3304 51770 MUEARTH,2
050882,000700: 13,3305 41366 SQRT DMP
050883,000701: 13,3306 25752 .3D
050884,000702: 13,3307 40442 SR3 SR4 # DT IS TRUNCATED TO A MULTIPLE
050885,000703: 13,3310 54345 DLOAD SL
050886,000704: 13,3311 00155 MPAC
050887,000705: 13,3312 20220 15D # OF 128 CSECS.
050888,000706: 13,3313 40006 PUSH BOV
050889,000707: 13,3314 27341 MAXDT
050890,000708: 13,3315 50021 BDSU BMN
050891,000709: 13,3316 27413 DT/2MAX
050892,000710: 13,3317 27341 MAXDT
050893,000711: 13,3320 45345 DT/2COMP DLOAD DSU
050894,000712: 13,3321 01116 TDEC
050895,000713: 13,3322 01517 TET
050896,000714: 13,3323 54234 RTB SL
050897,000715: 13,3324 21612 SGNAGREE
050898,000716: 13,3325 20211 8D
050899,000717: 13,3326 02076 STORE DT/2 # B-19
050900,000718: 13,3327 51400 BOV ABS
050901,000719: 13,3330 27345 GETMAXDT
050902,000720: 13,3331 50025 DSU BMN # IS TIME TO INTEG. TO GR THAN MAXTIME
050903,000721: 13,3332 00015 12D
050904,000722: 13,3333 27351 P00HCHK
050905,000723: 13,3334 75345 USEMAXDT DLOAD SIGN
050906,000724: 13,3335 00015 12D
050907,000725: 13,3336 02076 DT/2
|
|
Page 1219
|
050909,000727: 13,3337 36076 STCALL DT/2
050910,000728: 13,3340 27351 P00HCHK
050911,000729: 13,3341 65345 MAXDT DLOAD PDDL # EXCHANGE DT/2MAX WITH COMPUTED MAX.
050912,000730: 13,3342 27413 DT/2MAX
050913,000731: 13,3343 77650 GOTO
050914,000732: 13,3344 27320 DT/2COMP
050915,000733: 13,3345 77634 GETMAXDT RTB
050916,000734: 13,3346 21712 SIGNMPAC
050917,000735: 13,3347 36076 STCALL DT/2
050918,000736: 13,3350 27334 USEMAXDT
050919,000737: 13,3351 51545 P00HCHK DLOAD ABS
050920,000738: 13,3352 02076 DT/2
050921,000739: 13,3353 50025 DSU BMN
050922,000740: 13,3354 27411 DT/2MIN
050923,000741: 13,3355 27157 A-PCHK
050924,000742: 13,3356 46135 SLOAD BHIZ
050925,000743: 13,3357 01012 MODREG
050926,000744: 13,3360 27363 +3
050927,000745: 13,3361 77650 GOTO
050928,000746: 13,3362 23252 TIMESTEP
050929,000747: 13,3363 77614 BON # WAS THIS CALL VIA CSM(LEM)PREC
050930,000748: 13,3364 01707 PRECIFLG
050931,000749: 13,3365 23252 TIMESTEP # YES
050932,000750: 13,3366 45345 DLOAD DSU
050933,000751: 13,3367 02076 DT/2
050934,000752: 13,3370 00015 12D
050935,000753: 13,3371 43040 BMN BOFCLR
050936,000754: 13,3372 27157 A-PCHK
050937,000755: 13,3373 04242 NEWIFLG
050938,000756: 13,3374 23252 TIMESTEP
050939,000757: 13,3375 45345 DLOAD DSU
050940,000758: 13,3376 01116 TDEC
050941,000759: 13,3377 01517 TET
050942,000760: 13,3400 77640 BMN # NO BACKWARD INTEGRATION
050943,000761: 13,3401 27225 INTEXIT
050944,000762: 13,3402 40525 PDDL SR4
050945,000763: 13,3403 02076 DT/2 # IS 4(DT) LS (TDEC - TET)
050946,000764: 13,3404 44322 SR2R BDSU # NO
050947,000765: 13,3405 52040 BMN GOTO
050948,000766: 13,3406 27225 INTEXIT
050949,000767: 13,3407 23252 TIMESTEP
050950,000768: 13,3410 00000 01400 DT/2MIN 2DEC 3 B-20
050951,000769:
050952,000770: 13,3412 14152 00000 DT/2MAX 2DEC 4000 E2 B-20
050953,000771:
050954,000772: 13,3414 77776 INTSTALL EXIT
050955,000773: 13,3415 30106 CA RASFLAG
050956,000774: 13,3416 73466 MASK INTBITAB # IS THIS STALL AREA FREE
050957,000775: 13,3417 00006 EXTEND
050958,000776: 13,3420 13460 BZF OKTOGRAB # YES
|
|
Page 1220
|
050960,000778: 13,3421 33465 CAF WAKESTAL
050961,000779: 13,3422 05133 TC JOBSLEEP
050962,000780: 13,3423 77776 INTWAKE0 EXIT
050963,000781: 13,3424 13445 TCF INTWAKE1
050964,000782:
050965,000783: 13,3425 40106 INTWAKE CS RASFLAG # IS THIS INTSTALLED ROUTINE TO BE
050966,000784: 13,3426 74745 MASK REINTBIT # RESTARTED
050967,000785: 13,3427 10000 CCS A
050968,000786: 13,3430 03445 TC INTWAKE1 # NO
050969,000787:
050970,000788: 13,3431 50120 INDEX FIXLOC
050971,000789: 13,3432 30052 CA QPRET
050972,000790: 13,3433 55055 TS TBASE2 # YES, DONT RESTART WITH SOMEONE ELSES Q
050973,000791:
050974,000792: 13,3434 05353 TC PHASCHNG
050975,000793: 13,3435 04022 OCT 04022
050976,000794:
050977,000795: 13,3436 31055 CA TBASE2
050978,000796: 13,3437 50120 INDEX FIXLOC
050979,000797: 13,3440 54052 TS QPRET
050980,000798:
050981,000799: 13,3441 34745 CAF REINTBIT
050982,000800: 13,3442 70106 MASK RASFLAG
050983,000801: 13,3443 00006 EXTEND
050984,000802: 13,3444 13463 BZF GOBAC # DONT INTWAKE IF WE CAME HERE VIA RESTART
050985,000803:
050986,000804: 13,3445 33465 INTWAKE1 CAF WAKESTAL
050987,000805: 13,3446 00004 INHINT
050988,000806: 13,3447 05137 TC JOBWAKE
050989,000807: 13,3450 10064 CCS LOCCTR
050990,000808: 13,3451 13445 TCF INTWAKE1
050991,000809: 13,3452 00051 FORTYONE DEC 41 B-14
050992,000810: 13,3453 43466 CS INTBITAB
050993,000811: 13,3454 70106 MASK RASFLAG
050994,000812: 13,3455 54106 TS RASFLAG # RELEASE STALL AREA
050995,000813: 13,3456 00003 RELINT
050996,000814: 13,3457 13463 TCF GOBAC
050997,000815: 13,3460 34736 OKTOGRAB CAF INTFLBIT
050998,000816: 13,3461 00004 INHINT
050999,000817: 13,3462 26106 ADS RASFLAG
051000,000818: 13,3463 06037 GOBAC TC INTPRET
051001,000819: 13,3464 77616 RVQ
051002,000820: 13,3465 27415 WAKESTAL CADR INTSTALL +1
051003,000821: 13,3466 20100 INTBITAB OCT 20100
051004,000822:
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|
Page 1221
|
051006,000824: # AVETOMID
051007,000825:
051008,000826: # THIS ROUTINE PERFORMS THE TRANSITION FROM A THRUSTING PHASE TO THE COAST
051009,000827: # PHASE BY INITIALIZING THIS VEHICLES PERMANENT STATE VECTOR WITH THE
051010,000828: # VALUES LEFT BY THE AVERAGEG ROUTINE IN RN,VN,PIPTIME.
051011,000829:
051012,000830: # BEFORE THIS IS DONE THE W-MATRIX, IF ITS VALID (OR WFLAG OR RENDWFLG IS
051013,000831: # SET) IS INTEGRATED FORWARD TO PIPTIME WITH THE PRE-THRUST STATE VECTOR.
051014,000832:
051015,000833: # IN ADDITION, THE OTHER VEHICLE IS INTEGRATED (PERMANENT) TO PIPTIME.
051016,000834:
051017,000835: # FINALLY TRKMKCNT IS ZEROED
051018,000836:
051019,000837: 13,2000 SETLOC INTINIT
051020,000838: 13,2000 BANK
051021,000839:
051022,000840: 13,3467 COUNT* $$/INTIN
051023,000841: 13,3467 43020 AVETOMID STQ BON
051024,000842: 13,3470 02772 EGRESS
051025,000843: 13,3471 02716 RENDWFLG
051026,000844: 13,3472 27536 INT/W # W-MATRIX VALID, GO INTEGRATE IT
051027,000845: 13,3473 77614 BON
051028,000846: 13,3474 01711 ORBWFLAG
051029,000847: 13,3475 27536 INT/W # W-MATRIX VALID, GO INTEGRATE IT
051030,000848:
051031,000849: 13,3476 45145 OTHERS DLOAD CALL # GET SET FOR OTHER VEHICLE INTEGRATION
051032,000850: 13,3477 01235 PIPTIME # DESIRED TIME
051033,000851: 13,3500 27414 INTSTALL
051034,000852: 13,3501 45014 SET CALL
051035,000853: 13,3502 01474 VINTFLAG # CM
051036,000854: 13,3503 26644 SETIFLGS # SETS UP NONE W-MAT. PERMANENT INTEG.
051037,000855: 13,3504 34041 STCALL TDEC1
051038,000856: 13,3505 27134 INTEGRV
051039,000857:
051040,000858: 13,3506 45174 AXT,2 CALL # NOW MOVE PROPERLY SCALE RN,UN AS WELL AS
051041,000859: 13,3507 00002 2 # PIPTIME TO INTEGRATION ERASABLES.
051042,000860: 13,3510 27414 INTSTALL
051043,000861: 13,3511 77014 BON AXT,2
051044,000862: 13,3512 04304 MOONTHIS
051045,000863: 13,3513 27515 +2
051046,000864: 13,3514 00000 0
051047,000865: 13,3515 53775 VLOAD VSR*
051048,000866: 13,3516 01221 RN
051049,000867: 13,3517 57176 0,2
051050,000868: 13,3520 01503 STORE RRECT
051051,000869: 13,3521 15535 STODL RCV
051052,000870: 13,3522 01235 PIPTIME
051053,000871: 13,3523 25517 STOVL TET
051054,000872: 13,3524 01227 VN
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|
Page 1222
|
051056,000874: 13,3525 45057 VSR* CALL
051057,000875: 13,3526 57176 0,2
051058,000876: 13,3527 23455 MINIRECT # FINISH SETTING UP STATE VECTOR
051059,000877: 13,3530 66234 RTB SSP
051060,000878: 13,3531 26747 MOVATHIS # PUT TEMP STATE VECTOR INTO PERMANENT
051061,000879: 13,3532 03463 TRKMKCNT
051062,000880: 13,3533 00000 0
051063,000881: 13,3534 77650 GOTO
051064,000882: 13,3535 47226 FAZAB5
051065,000883:
051066,000884: 13,3536 45145 INT/W DLOAD CALL
051067,000885: 13,3537 01235 PIPTIME # INTEGRATE W THRU BURN
051068,000886: 13,3540 27414 INTSTALL
051069,000887: 13,3541 43014 SET SET
051070,000888: 13,3542 01476 DIM0FLAG # DO W-MATRIX
051071,000889: 13,3543 04476 AVEMIDSW # SO WONT CLOBBER RN,VN,PIPTIME
051072,000890: 13,3544 43014 SET CLEAR
051073,000891: 13,3545 01475 D6OR9FLG # 9X9 FOR LM
051074,000892: 13,3546 01674 VINTFLAG # LM
051075,000893: 13,3547 34041 STCALL TDEC1
051076,000894: 13,3550 27134 INTEGRV
051077,000895: 13,3551 77650 GOTO
051078,000896: 13,3552 27476 OTHERS # NOW GO DO THE OTHER VEHICLE
051079,000897:
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|
Page 1223
|
051081,000899: # MIDTOAV1
051082,000900:
051083,000901: # THIS ROUTINE INTEGRATES (PRECISION) TO THE TIME SPECIFIED IN TDEC1.
051084,000902: # IF, AT THE END OF AN INTEGRATION TIME STEP, CURRENT TIME PLUS A DELTA
051085,000903: # TIME (SEE TIMEDELT.....BASED ON THE COMPUTATUON TIME FOR ONE TIME STEP)
051086,000904: # IS GREATER THAN THE DESIRED TIME, ALARM 1703 IS SET AND THE INTEGRATION
051087,000905: # IS DONE TO THE CURRENT TIME.
051088,000906: # RETURN IS IN BASIC TO THE RETURN ADDRESS PLUS ONE.
051089,000907:
051090,000908: # IF THE INTEGRATION IS FINISHED TO THE DESIRED TIME, RETURN IS IN BASIC
051091,000909: # TO THE RETURN ADDRESS
051092,000910:
051093,000911: # IN EITHER CASE, BEFORE RETURNING, THE EXTRAPOLATED STATE VECTOR IS TRAN
051094,000912: # FERRED FROM R,VATT TO R,VN1-PIPTIME1 IS SET TO THE FINISHING INTEGRA-
051095,000913: # TION TIME AND MPAC IS SET TO THE DELTA TIME ---
051096,000914: # TAT MINUS CURRENT TIME.
051097,000915:
051098,000916: # MIDTOAV2
051099,000917:
051100,000918: # THIS ROUTINE INTEGRATES THIS VEHICLES STATE VECTOR TO THE CURRENT TIME.
051101,000919: # NO INPUTS ARE REQUIRED OF THE CALLER. RETURN IS IN BASIC TO THE RETURN
051102,000920: # ADDRESS WITH THE ABOVE TRANSFERS TO R,VN1-PIPTIME1-AND MPAC DONE
051103,000921:
051104,000922: 13,3553 E7,1744 EBANK= IRETURN1
051105,000923: 13,3553 43020 MIDTOAV2 STQ CLRGO # INTEGRATE TO PRESENT TIME PLUS TIMEDELT
051106,000924: 13,3554 03744 IRETURN1
051107,000925: 13,3555 04634 MID1FLAG
051108,000926: 13,3556 27572 ENTMID2
051109,000927:
051110,000928: 13,3557 43020 MIDTOAV1 STQ SET # INTEGRATE TO TDEC1
051111,000929: 13,3560 03744 IRETURN1
051112,000930: 13,3561 04474 MID1FLAG
051113,000931: 13,3562 43234 RTB DAD # INITIAL CHECK, IS TDEC1 IN THE FUTURE
051114,000932: 13,3563 21573 LOADTIME
051115,000933: 13,3564 27674 TIMEDELT
051116,000934: 13,3565 51021 BDSU BPL
051117,000935: 13,3566 00041 TDEC1
051118,000936: 13,3567 27576 ENTMID1 # Y5S
051119,000937: 13,3570 77624 CALL
051120,000938: 13,3571 27662 NOTIME # NO, SET ALARM, SWITCH TO MIDTOAV2
051121,000939:
051122,000940: 13,3572 43234 ENTMID2 RTB DAD
051123,000941: 13,3573 21573 LOADTIME
051124,000942: 13,3574 27674 TIMEDELT
051125,000943: 13,3575 00041 STORE TDEC1
051126,000944:
051127,000945: 13,3576 77624 ENTMID1 CALL
051128,000946: 13,3577 27414 INTSTALL
051129,000947: 13,3600 45014 CLEAR CALL
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|
Page 1224
|
051131,000949: 13,3601 01676 DIM0FLAG # NO W-MATRIX
051132,000950: 13,3602 26066 THISVINT
051133,000951: 13,3603 43014 CLEAR SET
051134,000952: 13,3604 01673 INTYPFLG
051135,000953: 13,3605 04475 MIDAVFLG # LET INTEG. KNOW THE CALL IS FOR MIDTOAV.
051136,000954: 13,3606 77624 CALL
051137,000955: 13,3607 27134 INTEGRV # GO INTEGRATE
051138,000956: 13,3610 77214 CLEAR VLOAD
051139,000957: 13,3611 04675 MIDAVFLG
051140,000958: 13,3612 00001 RATT
051141,000959: 13,3613 27545 STOVL RN1
051142,000960: 13,3614 00007 VATT
051143,000961: 13,3615 17553 STODL VN1
051144,000962: 13,3616 00015 TAT
051145,000963: 13,3617 03561 STORE PIPTIME1
051146,000964: 13,3620 66134 SXA,2 SXA,1
051147,000965: 13,3621 02777 RTX2
051148,000966: 13,3622 02776 RTX1
051149,000967: 13,3623 77776 EXIT
051150,000968:
051151,000969: 13,3624 00004 INHINT
051152,000970: 13,3625 00006 EXTEND
051153,000971: 13,3626 40025 DCS TIME2
051154,000972: 13,3627 20155 DAS MPAC
051155,000973: 13,3630 07257 TC TPAGREE
051156,000974:
051157,000975: 13,3631 31744 CA IRETURN1
051158,000976: 13,3632 04640 TC BANKJUMP
051159,000977: 13,3633 47014 CKMID2 BOF RTB
051160,000978: 13,3634 04754 MID1FLAG
051161,000979: 13,3635 27652 MID2
051162,000980: 13,3636 21573 LOADTIME
051163,000981: 13,3637 44215 DAD BDSU
051164,000982: 13,3640 27674 TIMEDELT
051165,000983: 13,3641 01116 TDEC
051166,000984: 13,3642 45044 BPL CALL
051167,000985: 13,3643 27257 TESTLOOP # YES
051168,000986: 13,3644 27662 NOTIME
051169,000987:
051170,000988: 13,3645 43234 TIMEINC RTB DAD
051171,000989: 13,3646 21573 LOADTIME
051172,000990: 13,3647 27674 TIMEDELT
051173,000991: 13,3650 35116 STCALL TDEC
051174,000992: 13,3651 27257 TESTLOOP
051175,000993:
051176,000994: 13,3652 45345 MID2 DLOAD DSU
051177,000995: 13,3653 01116 TDEC
051178,000996: 13,3654 01517 TET
051179,000997: 13,3655 45246 ABS DSU
051180,000998: 13,3656 27672 3CSECS
051181,000999:
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|
Page 1225
|
051183,001001: 13,3657 52040 BMN GOTO
051184,001002: 13,3660 27157 A-PCHK
051185,001003: 13,3661 27645 TIMEINC
051186,001004:
051187,001005: 13,3662 77414 NOTIME CLEAR EXIT # TOO LATE
051188,001006: 13,3663 04674 MID1FLAG
051189,001007: 13,3664 25744 INCR IRETURN1 # SET ERROR EXIT (CALLOC +2)
051190,001008: 13,3665 05567 TC ALARM # INSUFFICIENT TIME FOR INTEGRATION --
051191,001009: 13,3666 01703 OCT 1703 # TIG WILL BE SLIPPED...
051192,001010: 13,3667 06037 TC INTPRET
051193,001011: 13,3670 77616 RVQ
051194,001012:
051195,001013: 13,3671 00000 00003 3CSECS 2DEC 3 B-28
051196,001014:
051197,001015: 13,3673 00000 03720 TIMEDELT 2DEC 2000 B-28
051198,001016:
051199,001017: 27,3360 BANK 27
051200,001018: 04,2000 SETLOC UPDATE2
051201,001019: 04,2000 BANK
051202,001020: 04,3165 1167 EBANK= INTWAKUQ
051203,001021:
051204,001022: 04,3165 COUNT* $$/INTIN
051205,001023:
051206,001024: 04,3165 1167 INTWAKUQ = INTWAK1Q # TEMPORARY UNTIL NAME OF INTWAK1Q IS CHNG
051207,001025:
051208,001026: 04,3165 00003 INTWAKEU RELINT
051209,001027: 04,3166 00006 EXTEND
051210,001028: 04,3167 23167 QXCH INTWAKUQ # SAVE Q FOR RETURN
051211,001029:
051212,001030: 04,3170 06037 TC INTPRET
051213,001031:
051214,001032: 04,3171 53135 SLOAD BZE # IS THIS A CSM/LEM STATE VECTOR UPDATE
051215,001033: 04,3172 01502 UPSVFLAG # REQUEST. IF NOT GO TO INTWAKUP.
051216,001034: 04,3173 11232 INTWAKUP
051217,001035:
051218,001036: 04,3174 77775 VLOAD # MOVE RRECT(6) AND VRECT(6) INTO
051219,001037: 04,3175 01503 RRECT # RCV(6) AND VCV(6) RESPECTIVELY.
051220,001038: 04,3176 25535 STOVL RCV
051221,001039: 04,3177 01511 VRECT # NOW GO TO 'RECTIFY +13D' TO
051222,001040: 04,3200 77624 CALL # STORE VRECT INTO VCV AND ZERO OUT
051223,001041: 04,3201 23456 RECTIFY +13D # TDELTAV(6),TNUV(6),TC(2) AND XKEP(2)
051224,001042: 04,3202 51535 SLOAD ABS # COMPARE ABSOLUTE VALUE OF 'UPSVFLAG'
051225,001043: 04,3203 01502 UPSVFLAG # TO 'UPDATE MOON STATE VECTOR CODE'
051226,001044: 04,3204 53025 DSU BZE # TO DETERMINE WHETHER THE STATE VECTOR TO
051227,001045: 04,3205 11243 UPMNSVCD # BE UPDATED IS IN THE EARTH OR LUNAR
051228,001046: 04,3206 11213 INTWAKEM # SPHERE OF INFLUENCE.........
051229,001047: 04,3207 43174 AXT,2 CLRGO # EARTH SPHERE OF INFLUENCE.
051230,001048: 04,3210 00000 DEC 0 B-14
051231,001049: 04,3211 00223 MOONFLAG
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Page 1226
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051233,001051: 04,3212 11216 INTWAKEC
051234,001052: 04,3213 43174 INTWAKEM AXT,2 SET # LUNAR SPHERE OF INFLUENCE.
051235,001053: 04,3214 00002 DEC 2 B-14
051236,001054: 04,3215 00063 MOONFLAG
051237,001055: 04,3216 50135 INTWAKEC SLOAD BMN # COMMON CODING AFTER X2 INITIALIZED AND
051238,001056: # MOONFLAG SET (OR CLEARED).
051239,001057: 04,3217 01502 UPSVFLAG # IS THIS A REQUEST FOR A LEM OR CSM
051240,001058: 04,3220 11226 INTWAKLM # STATE VECTOR UPDATE......
051241,001059: 04,3221 77624 CALL # UPDATE CSM STATE VECTOR
051242,001060: 04,3222 26661 ATOPCSM
051243,001061:
051244,001062: 04,3223 52014 CLEAR GOTO
051245,001063: 04,3224 01671 ORBWFLAG
051246,001064: 04,3225 11230 INTWAKEX
051247,001065:
051248,001066: 04,3226 77624 INTWAKLM CALL # UPDATE LM STATE VECTOR
051249,001067: 04,3227 26734 ATOPLEM
051250,001068:
051251,001069: 04,3230 77614 INTWAKEX CLEAR
051252,001070: 04,3231 02676 RENDWFLG
051253,001071:
051254,001072: 04,3232 45131 INTWAKUP SSP CALL # REMOVE :UPDATE STATE VECTOR INDICATOR:
051255,001073: 04,3233 01502 UPSVFLAG
051256,001074: 04,3234 00000 0
051257,001075: 04,3235 27423 INTWAKE0 # RELEASE :GRAB: OF ORBIT INTEG
051258,001076: 04,3236 77776 EXIT
051259,001077:
051260,001078: 04,3237 05353 TC PHASCHNG
051261,001079: 04,3240 04026 OCT 04026
051262,001080: 04,3241 01167 TC INTWAKUQ
051263,001081:
051264,001082: 04,3242 00002 UPMNSVCD OCT 2
051265,001083: 04,3243 00000 OCT 0
051266,001084:
051267,001085: 04,3244 77420 GRP2PC STQ EXIT
051268,001086: 04,3245 02711 GRP2SVQ
051269,001087: 04,3246 05353 TC PHASCHNG
051270,001088: 04,3247 04022 OCT 04022
051271,001089: 04,3250 06037 TC INTPRET
051272,001090: 04,3251 77650 GOTO
051273,001091: 04,3252 02711 GRP2SVQ
051274,001092:
End of include-file INTEGRATION_INITIALIZATION.agc. Parent file is MAIN.agc