Source Code
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This source code is very close to the Apollo Guidance Computer software for the
Apollo 13 Lunar module. This revision of the Luminary 131 program is from December
of 1969, whereas there was a later revision in January of 1970, and still another
revision in February, which is the code that flew on the mission.
As far as this transcription is concerned, it was originally from a copy made in 1991 of
a printout from the collection of AGC developer Don Eyles for collector David Craig.
It was subsequently scanned by Gary Neff, reprocessed for online
presentation at the now-discontinued History of Recent Science and Technology (HRST) website
of MIT's Dibner Institute (the full-quality scans being discarded in the process),
and finally transcribed by Ron Burkey for the Virtual AGC Project. Although a
high-quality replacement scan for a completely illegible page was later provided by Gary
Neff, the reduced legibility of the reprocessed HRST posting nevertheless caused many
errors to be introduced into the transcription. Accordingly, a second scan of the same physical
printout was made in 2017 for the Virtual AGC Project's collection at the Internet Archive,
and used to correct the transcription errors. All of the scanned materials mentioned,
as well as other Luminary 131 related material, are available online.
Don Eyles apprently made additional hand-written notes in printout between 1991 and 2017,
so the two scans are not identical in that respect. The page-headings in the printout read, in part:GAP: ASSEMBLE REVISION 131 OF AGC PROGRAM LUMINARY BY NASA 2021112-091 17:53 DEC. 19, 1969Note that the date is the date the printout was made, not the date on which the program revision was released, although these happen to be very close together. |
028051,000002: ## Copyright: Public domain.
028052,000003: ## Filename: P34-35_P74-75.agc
028053,000004: ## Purpose: A section of Luminary 1C, revision 131.
028054,000005: ## It is part of the source code for the Lunar Module's (LM)
028055,000006: ## Apollo Guidance Computer (AGC) for Apollo 13.
028056,000007: ## This file is intended to be a faithful transcription, except
028057,000008: ## that the code format has been changed to conform to the
028058,000009: ## requirements of the yaYUL assembler rather than the
028059,000010: ## original YUL assembler.
028060,000011: ## Reference: pp. 660-704
028061,000012: ## Contact: Ron Burkey <info@sandroid.org>.
028062,000013: ## Website: www.ibiblio.org/apollo
028063,000014: ## Mod history: 05/22/03 RSB. Began transcribing.
028064,000015: ## 2010-10-25 JL Added missing # in comments.
028065,000016: ## 2011-05-07 JL Removed workaround.
028066,000017: ## 2017-01-06 RSB Page numbers now agree with those on the
028067,000018: ## original harcopy, as opposed to the PDF page
028068,000019: ## numbers in 1701.pdf.
028069,000020: ## 2017-01-28 RSB Back-ported some comment fixes I noticed while
028070,000021: ## proofing Luminary 69.
028071,000022: ## 2017-01-28 RSB Back-ported some comment fixes I noticed while
028072,000023: ## proofing Artemis 72.
028073,000024: ## 2017-02-24 RSB Proofed comment text using octopus/ProoferComments.
028074,000025: ## 2017-02-28 RSB Fixed lingering typos.
028075,000026: ## 2017-03-09 RSB Fixed VNP00H to VNPOOH.
028076,000027: ## 2017-03-09 RSB Comment-text fixes noted in proofing Luminary 116.
028077,000028: ## 2017-03-16 RSB Comment-text fixes identified in 5-way
028078,000029: ## side-by-side diff of Luminary 69/99/116/131/210.
028079,000030:
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Page 660 |
028081,000032: # TRANSFER PHASE INITIATION (TPI) PROGRAMS (P34 AND P74)
028082,000033: # MOD NO -1 LOG SECTION - P32-P35, P72-P75
028083,000034: # MOD BY WHITE.P DATE 1 JUNE 67
028084,000035:
028085,000036: # PURPOSE
028086,000037: # (1) TO CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL CONDITIONS
028087,000038: # REQUIRED BY THE ACTIVE VEHICLE FOR EXECUTION OF THE TRANSFER
028088,000039: # PHASE INITIATION (TPI) MANEUVER, GIVEN -
028089,000040: # (A) TIME OF IGNITION TIG (TPI) OR THE ELEVATION ANGLE (E) OF
028090,000041: # THE ACTIVE/PASSIVE VEHICLE LOS AT TIG (TPI).
028091,000042: # (B) CENTRAL ANGLE OF TRANSFER (CENTANG) FROM TIG (TPI) TO
028092,000043: # INTERCEPT TIME (TIG (TPF)).
028093,000044: # (2) TO CALCULATE TIG (TPI) GIVEN E OR E GIVEN TIG (TPI).
028094,000045: # (3) TO CALCULATE THESE PARAMETERS BASED UPON MANEUVER DATA
028095,000046: # APPROVED AND KEYED INTO THE DSKY BY THE ASTRONAUT.
028096,000047: # (4) TO DISPLAY TO THE ASTRONAUT AND THE GROUND CERTAIN DEPENDENT
028097,000048: # VARIABLES ASSOCIATED WITH THE MANEUVER FOR APPROVAL BY THE
028098,000049: # ASTRONAUT/GROUND.
028099,000050: # (5) TO STORE THE TPI TARGET PARAMETERS FOR USE BY THE DESIRED
028100,000051: # THRUSTING PROGRAM.
028101,000052:
028102,000053: # ASSUMPTIONS
028103,000054: # (1) LM ONLY - THIS PROGRAM IS BASED UPON PREVIOUS COMPLETION OF
028104,000055: # THE CONSTANT DELTA ALTITUDE (CDH) PROGRAM (P33/P73).
028105,000056: # THEREFORE -
028106,000057: # (A) AT A SELECTED TPI TIME (NOW IN STORAGE) THE LINE OF SIGHT
028107,000058: # BETWEEN THE ACTIVE AND PASSIVE VEHICLES WAS SELECTED TO BE
028108,000059: # A PRESCRIBED ANGLE (E) (NOW IN STORAGE) FROM THE
028109,000060: # HORIZONTAL PLANE DEFINED BY THE ACTIVE VEHICLE POSITION.
028110,000061: # (B) THE TIME BETWEEN CDH IGNITION AND TPI IGNITION WAS
028111,000062: # COMPUTED TO BE GREATER THAN 10 MINUTES.
028112,000063: # (C) THE VARIATION OF THE ALTITUDE DIFFERENCE BETWEEN THE
028113,000064: # ORBITS WAS MINIMIZED.
028114,000065: # (D) THE PERICENTER ALTITUDES OF ORBITS FOLLOWING CSI AND
028115,000066: # CDH WERE COMPUTED TO BE GREATER THAN 35,000 FT FOR LUNAR
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Page 661 |
028117,000068: # ORBIT OR 85 NM FOR EARTH ORBIT.
028118,000069: # (E) THE CSI AND CDH MANEUVERS WERE ASSUMED TO BE PARALLEL TO
028119,000070: # THE PLANE OF THE PASSIVE VEHICLE ORBIT. HOWEVER, CREW
028120,000071: # MODIFICATION OF DELTA V (LV) COMPONENTS MAY HAVE RESULTED
028121,000072: # IN AN OUT-OF-PLANE MANEUVER.
028122,000073: # (2) STATE VECTOR UPDATED BY P27 ARE DISALLOWED DURING AUTOMATIC
028123,000074: # STATE VECTOR UPDATING INITIATED BY P20 (SEE ASSUMPTION (4)).
028124,000075: # (3) THIS PROGRAM MUST BE DONE OVER A TRACKING STATION FOR REAL
028125,000076: # TIME GROUND PARTICIPATION IN DATA INPUT AND OUTPUT. COMPUTED
028126,000077: # VARIABLES MAY BE STORED FOR LATER VERIFICATION BY THE GROUND.
028127,000078: # THESE STORAGE CAPABILITIES ARE LIMITED ONLY TO THE PARAMETERS
028128,000079: # FOR ONE THRUSTING MANEUVER AT A TIME EXCEPT FOR CONCENTRIC
028129,000080: # FLIGHT PLAN MANEUVER SEQUENCES.
028130,000081: # (4) THE RENDEZVOUS RADAR MAY OR MAY NOT BE USED TO UPDATE THE LM
028131,000082: # OR CSM STATE VECTORS FOR THIS PROGRAM. IF RADAR USE IS
028132,000083: # DESIRED THE RADAR WAS TURNED ON AND LOCKED ON THE CSM BY
028133,000084: # PREVIOUS SELECTION OF P20. RADAR SIGHTING MARKS WILL BE MADE
028134,000085: # AUTOMATICALLY APPROXIMATELY ONCE A MINUTE WHEN ENABLED BY THE
028135,000086: # TRACK AND UPDATE FLAGS (SEE P20). THE RENDEZVOUS TRACKING
028136,000087: # MARK COUNTER IS ZEROED BY THE SELECTION OF P20 AND AFTER EACH
028137,000088: # THRUSTING MANEUVER.
028138,000089: # (5) THE ISS NEED NOT BE ON TO COMPLETE THIS PROGRAM.
028139,000090: # (6) THE OPERATION OF THE PROGRAM UTILIZES THE FOLLOWING FLAGS -
028140,000091:
028141,000092: # ACTIVE VEHICLE FLAG - DESIGNATES THE VEHICLE WHICH IS
028142,000093: # DOING RENDEZVOUS THRUSTING MANEUVERS TO THE PROGRAM WHICH
028143,000094: # CALCULATES THE MANEUVER PARAMETERS. SET AT THE START OF
028144,000095: # EACH RENDEZVOUS PRE-THRUSTING PROGRAM.
028145,000096:
028146,000097: # FINAL FLAG - SELECTS FINAL PROGRAM DISPLAYS AFTER CREW HAS
028147,000098: # SELECTED THE FINAL MANEUVER COMPUTATION CYCLE.
028148,000099:
028149,000100: # EXTERNAL DELTA V FLAG - DESIGNATES THE TYPE OF STEERING
028150,000101: # REQUIRED FOR EXECUTION OF THIS MANEUVER BY THE THRUSTING
028151,000102: # PROGRAM SELECTED AFTER COMPLETION OF THIS PROGRAM.
028152,000103:
028153,000104: # (7) ONCE THE PARAMETWRS REQUIRED FOR COMPUTION OF THE MANEUVER
028154,000105: # HAVE BEEN COMPLETELY SPECIFIED, THE VALUE OF THE ACTIVE
028155,000106: # VEHICLE CENTRAL ANGLE OF TRANSFER IS COMPUTED AND STORED.
028156,000107: # THIS NUMBER WILL BE AVAILABLE FOR DISPLAY TO THE ASTRONAUT
028157,000108: # THROUGH THE USE OF V06N52.
028158,000109:
028159,000110: # THE ASTRONAUT WILL CALL THIS DISPLAY TO VERIFY THAT THE
028160,000111: # CENTRAL ANGLE OF TRANSFER OF THE ACTIVE VEHICLE IS NOT WITHIN
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Page 662 |
028162,000113: # 170 TO 190 DEGREES. IF THE ANGLE IS WITHIN THIS ZONE THE
028163,000114: # ASTRONAUT SHOULD REASSESS THE INPUT TARGETING PARAMETERS BASED
028164,000115: # UPON DELTA V AND EXPECTED MANEUVER TIME.
028165,000116: # (8) THIS PROGRAM IS SELECTED BY THE ASTRONAUT BY DSKY ENTRY -
028166,000117:
028167,000118: # P34 IF THIS VEHICLE IS ACTIVE VEHICLE.
028168,000119:
028169,000120: # P74 IF THIS VEHICLE IS PASSIVE VEHICLE.
028170,000121:
028171,000122: # INPUT
028172,000123: # (1) TTPI TIME OF THE TPI MANEUVER
028173,000124: # (2) ELEV DESIRED LOS ANGLE AT TPI
028174,000125: # (3) CENTANG ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE DURING
028175,000126: # TRANSFER FROM TPI TO TIME OF INTERCEPT
028176,000127:
028177,000128: # OUTPUT
028178,000129: # (1) TRKMKCNT NUMBER OF MARKS
028179,000130: # (2) TTOGO TIME TO GO
028180,000131: # (3) +MGA MIDDLE GIMBAL ANGLE
028181,000132: # (4) TTPI COMPUTED TIME OF TPI MANEUVER
028182,000133: # OR
028183,000134: # ELEV COMPUTED LOS ANGLE AT TPI
028184,000135: # (5) POSTTPI PERIGEE ALTITUDE AFTER THE TPI MANEUVER
028185,000136: # (6) DELVTPI MAGNITUDE OF DELTA V AT TPI
028186,000137: # (7) DELVTPF MAGNITUDE OF DELTA V AT INTERCEPT
028187,000138: # (8) DVLOS DELTA VELOCITY AT TPI - LINE OF SIGHT
028188,000139: # (9) DELVLVC DELTA VELOCITY AT TPI - LOCAL VERTICAL COORDINATES
028189,000140:
028190,000141: # DOWNLINK
028191,000142: # (1) TTPI TIME OF THE TPI MANEUVER
028192,000143: # (2) TIG TIME OF THE TPI MANEUVER
028193,000144: # (3) ELEV DESIRED LOS ANGLE AT TPI
028194,000145: # (4) CENTANG ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE DURING
028195,000146: # TRANSFER FROM TPI TO TIME OF INTERCEPT
028196,000147: # (5) DELVEET3 DELTA VELOCITY AT TPI - REFERENCE COORDINATES
028197,000148: # (6) TPASS4 TIME OF INTERCEPT
028198,000149:
028199,000150: # COMMUNICATION TO THRUSTING PROGRAMS
028200,000151: # (1) TIG TIME OF THE TPI MANEUVER
028201,000152: # (2) RTARG OFFSET TARGET POSITION
028202,000153: # (3) TPASS4 TIME OF INTERCEPT
028203,000154: # (4) XDELVFLG RESET TO INDICATE LAMBERT (AIMPOINT) VG COMPUTATION
028204,000155:
028205,000156: # SUBROUTINES USED
028206,000157: # AVFLAGA
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Page 663 |
028208,000159: # AVFLAGP
028209,000160: # VNPOOH
028210,000161: # DISPLAYE
028211,000162: # SELECTMU
028212,000163: # PRECSET
028213,000164: # S33/34.1
028214,000165: # ALARM
028215,000166: # BANKCALL
028216,000167: # GOFLASH
028217,000168: # GOTOPOOH
028218,000169: # TIMETHET
028219,000170: # S34/35.2
028220,000171: # PERIAPO1
028221,000172: # SHIFTR1
028222,000173: # S34/35.5
028223,000174: # VN1645
028224,000175:
028225,000176: 35,2000 SETLOC CSI/CDH
028226,000177: 35,2000 BANK
028227,000178: 35,2455 E7,1470 EBANK= SUBEXIT
028228,000179: 35,2455 COUNT* $$/P3474
028229,000180: 35,2455 02354 P34 TC AVFLAGA
028230,000181: 35,2456 02460 TC P34/P74A
028231,000182: 35,2457 02361 P74 TC AVFLAGP
028232,000183: 35,2460 02366 P34/P74A TC P20FLGON # SET UPDATFLG, TRACKFLG
028233,000184: 35,2461 33632 CAF V06N37 # TTPI
028234,000185: 35,2462 03621 TC VNPOOH
028235,000186: 35,2463 00006 EXTEND
028236,000187: 35,2464 33655 DCA 130DEG
028237,000188: 35,2465 53621 DXCH CENTANG
028238,000189: 35,2466 32424 CAF P30ZERO
028239,000190: 35,2467 55466 TS NN
028240,000191: 35,2470 03603 TC DISPLAYE # ELEV AND CENTANG
028241,000192: 35,2471 06042 TC INTPRET
028242,000193: 35,2472 71214 CLEAR DLOAD
028243,000194: 35,2473 01270 ETPIFLAG
028244,000195: 35,2474 03636 TTPI
028245,000196: 35,2475 17442 STODL TIG
028246,000197: 35,2476 02257 ELEV
028247,000198: 35,2477 43054 BZE SET
028248,000199: 35,2500 72502 P34/P74B
028249,000200: 35,2501 01070 ETPIFLAG
028250,000201: 35,2502 77624 P34/P74B CALL
028251,000202: 35,2503 20000 SELECTMU
028252,000203: 35,2504 DELELO EQUALS 26D
028253,000204: 35,2504 43145 P34/P74C DLOAD SET
028254,000205: 35,2505 06524 ZEROVECS
028255,000206: 35,2506 03460 ITSWICH
028256,000207: 35,2507 43014 BON CLEAR
028257,000208: 35,2510 01310 ETPIFLAG
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Page 664 |
028259,000210: 35,2511 72513 SWCHSET
028260,000211: 35,2512 03660 ITSWICH
028261,000212: 35,2513 02317 SWCHSET STORE NOMTPI
028262,000213: 35,2514 43345 INTLOOP DLOAD DAD
028263,000214: 35,2515 03636 TTPI
028264,000215: 35,2516 02317 NOMTPI
028265,000216: 35,2517 34041 STCALL TDEC1
028266,000217: 35,2520 46403 PRECSET
028267,000218: 35,2521 77624 CALL
028268,000219: 35,2522 72674 S33/34.1
028269,000220: 35,2523 77454 BZE EXIT
028270,000221: 35,2524 72535 SWCHCLR
028271,000222: 35,2525 05567 TC ALARM
028272,000223: 35,2526 00611 OCT 611
028273,000224: 35,2527 35006 CAF V05N09
028274,000225: 35,2530 04616 TC BANKCALL
028275,000226: 35,2531 20477 CADR GOFLASH
028276,000227: 35,2532 06001 TC GOTOPOOH
028277,000228: 35,2533 02460 TC P34/P74A # PROCEED
028278,000229: 35,2534 02525 TC -7 # V32
028279,000230:
028280,000231: 35,2535 43014 SWCHCLR BONCLR BON
028281,000232: 35,2536 03600 ITSWICH
028282,000233: 35,2537 72514 INTLOOP
028283,000234: 35,2540 01310 ETPIFLAG
028284,000235: 35,2541 72545 P34/P74D # DISPLAY TTPI
028285,000236: 35,2542 77776 EXIT
028286,000237: 35,2543 03603 TC DISPLAYE # DISPLAY ELEV AND CENTANG
028287,000238: 35,2544 02550 TC P34/P74E
028288,000239: 35,2545 77776 P34/P74D EXIT
028289,000240: 35,2546 33632 CAF V06N37 # TTPI
028290,000241: 35,2547 03621 TC VNPOOH
028291,000242: 35,2550 06042 P34/P74E TC INTPRET
028292,000243: 35,2551 71201 SETPD DLOAD
028293,000244: 35,2552 00001 0D
028294,000245: 35,2553 02777 RTX1
028295,000246: 35,2554 14047 STODL X1
028296,000247: 35,2555 03621 CENTANG
028297,000248: 35,2556 71406 PUSH COS
028298,000249: 35,2557 16732 STODL CSTH
028299,000250: 35,2560 77756 SIN
028300,000251: 35,2561 26730 STOVL SNTH
028301,000252: 35,2562 03552 RPASS3
028302,000253: 35,2563 77657 VSR*
028303,000254: 35,2564 57176 0,2
028304,000255: 35,2565 26655 STOVL RVEC
028305,000256: 35,2566 03560 VPASS3
028306,000257: 35,2567 43057 VSR* SET
028307,000258: 35,2570 57176 0,2
028308,000259: 35,2571 03466 RVSW
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Page 665 |
028310,000261: 35,2572 36744 STCALL VVEC
028311,000262: 35,2573 24732 TIMETHET
028312,000263: 35,2574 77745 DLOAD
028313,000264: 35,2575 03636 TTPI
028314,000265: 35,2576 03610 STORE INTIME # FOR INITVEL
028315,000266: 35,2577 77615 DAD
028316,000267: 35,2600 00037 T # RENDEZVOUS TIME
028317,000268: 35,2601 37631 STCALL TPASS4 # FOR INITVEL
028318,000269: 35,2602 73216 S34/35.2
028319,000270: 35,2603 51575 VLOAD ABVAL
028320,000271: 35,2604 02366 DELVEET3
028321,000272: 35,2605 27576 STOVL DELVTPI
028322,000273: 35,2606 03506 VPASS4
028323,000274: 35,2607 51451 VSU ABVAL
028324,000275: 35,2610 03566 VTPRIME
028325,000276: 35,2611 26350 STOVL DELVTPF
028326,000277: 35,2612 03536 RACT3
028327,000278: 35,2613 45115 PDVL CALL
028328,000279: 35,2614 02337 VIPRIME
028329,000280: 35,2615 46341 PERIAPO1
028330,000281: 35,2616 77624 CALL
028331,000282: 35,2617 46451 SHIFTR1
028332,000283: 35,2620 17606 STODL POSTTPI
028333,000284: 35,2621 03636 TTPI
028334,000285: 35,2622 03442 STORE TIG
028335,000286: 35,2623 77776 EXIT
028336,000287: 35,2624 33634 CAF V06N58
028337,000288: 35,2625 03621 TC VNPOOH
028338,000289: 35,2626 06042 TC INTPRET
028339,000290: 35,2627 77624 CALL
028340,000291: 35,2630 73432 S34/35.5
028341,000292: 35,2631 77624 CALL
028342,000293: 35,2632 73515 VN1645
028343,000294: 35,2633 77650 GOTO
028344,000295: 35,2634 72504 P34/P74C
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Page 666 |
028346,000297: # RENDEZVOUS MID-COURSE MANEUVER PROGRAMS (P35 AND P75)
028347,000298: # MOD NO -1 LOG SECTION - P32-P35, P72-P75
028348,000299: # MOD BY WHITE.P DATE 1 JUNE 67
028349,000300:
028350,000301: # PURPOSE
028351,000302: # (1) TO CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL CONDITIONS
028352,000303: # REQUIRED BY THE ACTIVE VEHICLE FOR EXECUTION OF THE NEXT
028353,000304: # MIDCOURSE CORRECTION OF THE TRANSFER PHASE OF AN ACTIVE
028354,000305: # VEHICLE RENDEZVOUS.
028355,000306: # (2) TO DISPLAY TO THE ASTRONAUT AND THE GROUND CERTAIN DEPENDENT
028356,000307: # VARIABLES ASSOCIATED WITH THE MANEUVER FOR APPROVAL BY THE
028357,000308: # ASTRONAUT/GROUND.
028358,000309: # (3) TO STORE THE TPM TARGET PARAMETERS FOR USE BY THE DESIRED
028359,000310: # THRUSTING PROGRAM.
028360,000311:
028361,000312: # ASSUMPTIONS
028362,000313: # (1) THE ISS NEED NOT BE ON TO COMPLETE THIS PROGRAM.
028363,000314: # (2) STATE VECTOR UPDATES BY P27 ARE DISALLOWED DURING AUTOMATIC
028364,000315: # STATE VECTOR UPDATING INITIATED BY P20 (SEE ASSUMPTION (3)).
028365,000316: # (3) THE RENDEZVOUS RADAR IS ON AND IS LOCKED ON THE CSM. THIS WAS
028366,000317: # DONE DURING PREVIOUS SELECTION OF P20. RADAR SIGHTING MARKS
028367,000318: # WILL BE MADE AUTOMATICALLY APPROXIMATELY ONCE A MINUTE WHEN
028368,000319: # ENABLED BY THE TRACK AND UPDATE FLAGS (SEE P20). THE
028369,000320: # RENDEZVOUS TRACKING MARK COUNTER IS ZEROED BY THE SELECTION OF
028370,000321: # P20 AND AFTER EACH THRUSTING MANEUVER.
028371,000322: # (4) THE OPERATION OF THE PROGRAM UTILIZES THE FOLLOWING FLAGS -
028372,000323:
028373,000324: # ACTIVE VEHICLE FLAG - DESIGNATES THE VEHICLE WHICH IS
028374,000325: # DOING RENDEZVOUS THRUSTING MANEUVERS TO THE PROGRAM WHICH
028375,000326: # CALCULATES THE MANEUVER PARAMETERS. SET AT THE START OF
028376,000327: # EACH RENDEZVOUS PRE-THRUSTING PROGRAM.
028377,000328:
028378,000329: # FINAL FLAG - SELECTS FINAL PROGRAM DISPLAYS AFTER CREW HAS
028379,000330: # SELECTED THE FINAL MANEUVER COMPUTATION CYCLE.
028380,000331:
028381,000332: # EXTERNAL DELTA V FLAG - DESIGNATES THE TYPE OF STEERING
028382,000333: # REQUIRED FOR EXECUTION OF THIS MANEUVER BY THE THRUSTING
028383,000334: # PROGRAM SELECTED AFTER COMPLETION OF THIS PROGRAM.
028384,000335:
028385,000336: # (5) THE TIME OF INTERCEPT (T(INT)) WAS DEFINED BY PREVIOUS
028386,000337: # COMPLETION OF THE TRANSFER PHASE INITIATION (TPI) PROGRAM
028387,000338: # (P34/P74) AND IS PRESENTLY AVAILABLE IN STORAGE.
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Page 667 |
028389,000340: # (6) ONCE THE PARAMETERS REQUIRED FOR COMPUTION OF THE MANEUVER
028390,000341: # HAVE BEEN COMPLETELY SPECIFIED, THE VALUE OF THE ACTIVE
028391,000342: # VEHICLE CENTRAL ANGLE OF TRANSFER IS COMPUTED AND STORED.
028392,000343: # THIS NUMBER WILL BE AVAILABLE FOR DISPLAY TO THE ASTRONAUT
028393,000344: # THROUGH THE USE OF V06N52.
028394,000345:
028395,000346: # THE ASTRONAUT WILL CALL THIS DISPLAY TO VERIFY THAT THE
028396,000347: # CENTRAL ANGLE OF TRANSFER OF THE ACTIVE VEHICLE IS NOT WITHIN
028397,000348: # 170 TO 190 DEGREES. IF THE ANGLE IS WITHIN THIS ZONE THE
028398,000349: # ASTRONAUT SHOULD REASSESS THE INPUT TARGETING PARAMETERS BASED
028399,000350: # UPON DELTA V AND EXPECTED MANEUVER TIME.
028400,000351: # (7) THIS PROGRAM IS SELECTED BY THE ASTRONAUT BY DSKY ENTRY -
028401,000352:
028402,000353: # P35 IF THIS VEHICLE IS ACTIVE VEHICLE.
028403,000354:
028404,000355: # P75 IF THIS VEHICLE IS PASSIVE VEHICLE.
028405,000356:
028406,000357: # INPUT
028407,000358: # (1) TPASS4 TIME OF INTERCEPT - SAVED FROM P34/P74
028408,000359:
028409,000360: # OUTPUT
028410,000361: # (1) TRKMKCNT NUMBER OF MARKS
028411,000362: # (2) TTOGO TIME TO GO
028412,000363: # (3) +MGA MIDDLE GIMBAL ANGLE
028413,000364: # (4) DVLOS DELTA VELOCITY AT MID - LINE OF SIGHT
028414,000365: # (5) DELVLVC DELTA VELOCITY AT MID - LOCAL VERTICAL COORDINATES
028415,000366:
028416,000367: # DOWNLINK
028417,000368: # (1) TIG TIME OF THE TPM MANEUVER
028418,000369: # (2) DELVEET3 DELTA VELOCITY AT TPM - REFERENCE COORDINATES
028419,000370: # (3) TPASS4 TIME OF INTERCEPT
028420,000371:
028421,000372: # COMMUNICATION TO THRUSTING PROGRAMS
028422,000373: # (1) TIG TIME OF THE TPM MANEUVER
028423,000374: # (2) RTARG OFFSET TARGET POSITION
028424,000375: # (3) TPASS4 TIME OF INTERCEPT
028425,000376: # (4) XDELVFLG RESET TO INDICATE LAMBERT (AIMPOINT) VG COMPUTATION
028426,000377:
028427,000378: # SUBROUTINES USED
028428,000379: # AVFLAGA
028429,000380: # AVFLAGP
028430,000381: # LOADTIME
028431,000382: # SELECTMU
028432,000383: # PRECSET
028433,000384: # S34/35.1
028434,000385: # S34/35.2
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Page 668 |
028436,000387: # S34/35.5
028437,000388: # VN1645
028438,000389:
028439,000390: 35,2635 COUNT* $$/P3575
028440,000391: 35,2635 E7,1575 EBANK= KT
028441,000392:
028442,000393: 35,2635 02354 P35 TC AVFLAGA
028443,000394: 35,2636 00006 EXTEND
028444,000395: 35,2637 31401 DCA ATIGINC
028445,000396: 35,2640 02644 TC P35/P75A
028446,000397: 35,2641 02361 P75 TC AVFLAGP
028447,000398: 35,2642 00006 EXTEND
028448,000399: 35,2643 31403 DCA PTIGINC
028449,000400: 35,2644 53576 P35/P75A DXCH KT
028450,000401: 35,2645 02366 TC P20FLGON # SET UPDATFLG, TRACKFLG
028451,000402: 35,2646 06042 TC INTPRET
028452,000403: 35,2647 77624 CALL
028453,000404: 35,2650 20000 SELECTMU
028454,000405: 35,2651 77634 P35/P75B RTB
028455,000406: 35,2652 21574 LOADTIME
028456,000407: 35,2653 03612 STORE TSTRT
028457,000408: 35,2654 77615 DAD
028458,000409: 35,2655 03576 KT
028459,000410: 35,2656 03442 STORE TIG
028460,000411: 35,2657 03610 STORE INTIME # FOR INITVEL
028461,000412: 35,2660 34041 STCALL TDEC1
028462,000413: 35,2661 46403 PRECSET # ADVANCE BOTH VEHICLES
028463,000414: 35,2662 77624 CALL
028464,000415: 35,2663 73204 S34/35.1 # GET NORM AND LOS FOR TRANSFORM
028465,000416: 35,2664 77624 CALL
028466,000417: 35,2665 73216 S34/35.2 # GET DELTA V(LV)
028467,000418: 35,2666 77624 CALL
028468,000419: 35,2667 73432 S34/35.5
028469,000420: 35,2670 77624 CALL
028470,000421: 35,2671 73515 VN1645
028471,000422: 35,2672 77650 GOTO
028472,000423: 35,2673 72651 P35/P75B
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Page 669 |
028474,000425: # ..... S33/34.1 .....
028475,000426:
028476,000427: 35,2674 66220 S33/34.1 STQ SSP
028477,000428: 35,2675 03463 NORMEX
028478,000429: 35,2676 03614 TITER
028479,000430: 35,2677 40000 OCT 40000
028480,000431: 35,2700 40345 DLOAD SETPD
028481,000432: 35,2701 33643 MAX250
028482,000433: 35,2702 00001 0D
028483,000434: 35,2703 27574 STOVL SECMAX
028484,000435: 35,2704 03536 RACT3
028485,000436: 35,2705 27500 STOVL RAPREC
028486,000437: 35,2706 03544 VACT3
028487,000438: 35,2707 27506 STOVL VAPREC
028488,000439: 35,2710 03552 RPASS3
028489,000440: 35,2711 27522 STOVL RPPREC
028490,000441: 35,2712 03560 VPASS3
028491,000442: 35,2713 03530 STORE VPPREC
028492,000443: 35,2714 77624 ELCALC CALL
028493,000444: 35,2715 73204 S34/35.1 # NORMAL AND LOS
028494,000445: 35,2716 63235 VXV PDVL
028495,000446: 35,2717 03536 RACT3 # (RA*VA)*RA 0D
028496,000447: 35,2720 53515 PDVL UNIT # ULOS AT 6D
028497,000448: 35,2721 03536 RACT3
028498,000449: 35,2722 46315 PDVL VPROJ # XCHNJ AND UP
028499,000450: 35,2723 51352 VSL2 BVSU
028500,000451: 35,2724 02311 ULOS
028501,000452: 35,2725 63256 UNIT PDVL # UP AT 0D
028502,000453: 35,2726 63241 DOT PDVL # UP.UN*RA AT 0D
028503,000454: 35,2727 00001 0D # UP IN MPAC
028504,000455: 35,2730 75241 DOT SIGN
028505,000456: 35,2731 02311 ULOS
028506,000457: 35,2732 65552 SL1 ACOS
028507,000458: 35,2733 50315 PDVL DOT # EA AT 0D
028508,000459: 35,2734 02311 ULOS
028509,000460: 35,2735 03536 RACT3
028510,000461: 35,2736 71244 BPL DLOAD
028511,000462: 35,2737 72742 TESTY
028512,000463: 35,2740 06532 DPPOSMAX
028513,000464: 35,2741 41425 DSU PUSH
028514,000465: 35,2742 71214 TESTY BOFF DLOAD
028515,000466: 35,2743 03740 ITSWICH
028516,000467: 35,2744 73171 ELEX
028517,000468: 35,2745 03576 DELEL
028518,000469: 35,2746 14033 STODL DELELO
028519,000470: 35,2747 77625 DSU
028520,000471: 35,2750 02257 ELEV
028521,000472: 35,2751 03576 STORE DELEL
028522,000473: 35,2752 45246 ABS DSU
028523,000474: 35,2753 33647 ELEPS
![]() |
Page 670 |
028525,000476: 35,2754 77640 BMN
028526,000477: 35,2755 73201 TIMEX # COMMERCIALS EVERYWHERE
028527,000478: 35,2756 70535 FIGTIME SLOAD SR1
028528,000479: 35,2757 03614 TITER
028529,000480: 35,2760 72030 BHIZ LXA,1
028530,000481: 35,2761 03463 NORMEX # TOO MANY ITERATIONS
028531,000482: 35,2762 00154 MPAC
028532,000483: 35,2763 77330 SXA,1 VLOAD
028533,000484: 35,2764 03613 TITER
028534,000485: 35,2765 03552 RPASS3
028535,000486: 35,2766 65256 UNIT PDDL
028536,000487: 35,2767 00045 36D
028537,000488: 35,2770 53515 PDVL UNIT
028538,000489: 35,2771 03536 RACT3
028539,000490: 35,2772 77725 PDDL
028540,000491: 35,2773 41525 PDDL PUSH
028541,000492: 35,2774 00045 36D
028542,000493: 35,2775 77621 BDSU
028543,000494: 35,2776 00015 12D
028544,000495: 35,2777 14037 STODL 30D # RP-RA MAGNITUDES
028545,000496: 35,3000 06522 DPHALF
028546,000497: 35,3001 41425 DSU PUSH
028547,000498: 35,3002 02257 ELEV
028548,000499: 35,3003 50165 SIGN BMN
028549,000500: 35,3004 00037 30D
028550,000501: 35,3005 03463 NORMEX
028551,000502: 35,3006 71545 DLOAD COS
028552,000503: 35,3007 56205 DMP DDV
028553,000504: 35,3010 00017 14D
028554,000505: 35,3011 00015 12D
028555,000506: 35,3012 77676 DCOMP # SINCE COS(180-A)=-COS A
028556,000507: 35,3013 00035 STORE 28D
028557,000508: 35,3014 44246 ABS BDSU
028558,000509: 35,3015 06522 DPHALF
028559,000510: 35,3016 77240 BMN VLOAD
028560,000511: 35,3017 03463 NORMEX
028561,000512: 35,3020 02261 UNRM
028562,000513: 35,3021 53435 VXV UNIT
028563,000514: 35,3022 00007 6D # UN*RA
028564,000515: 35,3023 41241 DOT DMP
028565,000516: 35,3024 03544 VACT3
028566,000517: 35,3025 00015 12D
028567,000518: 35,3026 47315 PDVL VXV
028568,000519: 35,3027 00001 0D
028569,000520: 35,3030 03560 VPASS3
028570,000521: 35,3031 53435 VXV UNIT
028571,000522: 35,3032 00001 0D # (RP*VP)*RP
028572,000523: 35,3033 41241 DOT DMP
028573,000524: 35,3034 03560 VPASS3
028574,000525: 35,3035 00017 14D
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Page 671 |
028576,000527: 35,3036 77621 BDSU
028577,000528: 35,3037 63301 NORM PDVL # NORMALIZED WA-WP 12D
028578,000529: 35,3040 00047 X1
028579,000530: 35,3041 00007 6D
028580,000531: 35,3042 50235 VXV DOT
028581,000532: 35,3043 00001 0D
028582,000533: 35,3044 02261 UNRM # RA*RP.UN 14D
028583,000534: 35,3045 50315 PDVL DOT
028584,000535: 35,3046 00001 0D
028585,000536: 35,3047 00007 6D
028586,000537: 35,3050 65552 SL1 ACOS
028587,000538: 35,3051 77765 SIGN
028588,000539: 35,3052 43225 DSU DAD # ALPHA PI
028589,000540: 35,3053 06522 DPHALF
028590,000541: 35,3054 02257 ELEV
028591,000542: 35,3055 65525 PDDL ACOS
028592,000543: 35,3056 00035 28D
028593,000544: 35,3057 75221 BDSU SIGN
028594,000545: 35,3060 06522 DPHALF
028595,000546: 35,3061 00037 30D # CONTAINS RP-RA
028596,000547: 35,3062 77615 DAD
028597,000548: 35,3063 56205 DMP DDV
028598,000549: 35,3064 33641 TWOPI
028599,000550: 35,3065 77605 DMP
028600,000551: 35,3066 41257 SL* DMP
028601,000552: 35,3067 20176 0 -3,1
028602,000553: 35,3070 51406 PUSH ABS
028603,000554: 35,3071 50025 DSU BMN
028604,000555: 35,3072 03574 SECMAX
028605,000556: 35,3073 73077 OKMAX
028606,000557: 35,3074 75345 DLOAD SIGN # REPLACE TIME WITH MAX TIME SIGNED
028607,000558: 35,3075 03574 SECMAX
028608,000559: 35,3076 77606 PUSH
028609,000560: 35,3077 51135 OKMAX SLOAD BPL # TEST FIRST ITERATION
028610,000561: 35,3100 03614 TITER
028611,000562: 35,3101 73107 REPETE
028612,000563: 35,3102 71331 SSP DLOAD
028613,000564: 35,3103 03614 TITER
028614,000565: 35,3104 37777 OCT 37777
028615,000566: 35,3105 77650 GOTO
028616,000567: 35,3106 73145 STORDELT
028617,000568: 35,3107 41345 REPETE DLOAD DMP
028618,000569: 35,3110 03576 DELEL
028619,000570: 35,3111 00033 DELELO
028620,000571: 35,3112 71244 BPL DLOAD
028621,000572: 35,3113 73123 NEXTES
028622,000573: 35,3114 03574 SECMAX
028623,000574: 35,3115 77605 DMP
028624,000575: 35,3116 33645 THIRD
028625,000576: 35,3117 17574 STODL SECMAX
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Page 672 |
028627,000578: 35,3120 70446 ABS SR1 # CROSSED OVER SOLUTION
028628,000579: 35,3121 52076 DCOMP GOTO # DT=(-SIGN(DTO)//DT//)/2
028629,000580: 35,3122 73133 RESIGN
028630,000581: 35,3123 51545 NEXTES DLOAD ABS
028631,000582: 35,3124 03576 DELEL
028632,000583: 35,3125 51525 PDDL ABS
028633,000584: 35,3126 00033 DELELO
028634,000585: 35,3127 77625 DSU
028635,000586: 35,3130 71240 BMN DLOAD
028636,000587: 35,3131 73136 REVERS # WRONG DIRECTION
028637,000588: 35,3132 77646 ABS
028638,000589: 35,3133 52165 RESIGN SIGN GOTO
028639,000590: 35,3134 03606 DELTEEO
028640,000591: 35,3135 73145 STORDELT
028641,000592: 35,3136 57545 REVERS DLOAD DCOMP
028642,000593: 35,3137 03606 DELTEEO
028643,000594: 35,3140 70406 PUSH SR1
028644,000595: 35,3141 03606 STORE DELTEEO
028645,000596: 35,3142 77615 DAD
028646,000597: 35,3143 77650 GOTO
028647,000598: 35,3144 73146 ADTIME
028648,000599: 35,3145 03606 STORDELT STORE DELTEEO
028649,000600: 35,3146 77615 ADTIME DAD
028650,000601: 35,3147 02317 NOMTPI # SUM OF DELTA T:S
028651,000602: 35,3150 02317 STORE NOMTPI
028652,000603: 35,3151 63375 VLOAD PDVL
028653,000604: 35,3152 03506 VAPREC
028654,000605: 35,3153 03500 RAPREC
028655,000606: 35,3154 77624 CALL
028656,000607: 35,3155 73372 GOINT
028657,000608: 35,3156 77624 CALL
028658,000609: 35,3157 46425 ACTIVE # STORE NEW RACT3 VACT3
028659,000610: 35,3160 63375 VLOAD PDVL
028660,000611: 35,3161 03530 VPPREC
028661,000612: 35,3162 03522 RPPREC
028662,000613: 35,3163 77624 CALL
028663,000614: 35,3164 73372 GOINT
028664,000615: 35,3165 77624 CALL
028665,000616: 35,3166 46435 PASSIVE # STORE NEW RPASS3 VPASS3
028666,000617: 35,3167 77650 GOTO
028667,000618: 35,3170 72714 ELCALC
028668,000619: 35,3171 43345 ELEX DLOAD DAD
028669,000620: 35,3172 03636 TTPI
028670,000621: 35,3173 02317 NOMTPI
028671,000622: 35,3174 17636 STODL TTPI
028672,000623: 35,3175 77614 BON
028673,000624: 35,3176 01310 ETPIFLAG
028674,000625: 35,3177 73201 TIMEX
028675,000626: 35,3200 02257 STORE ELEV
028676,000627: 35,3201 52145 TIMEX DLOAD GOTO
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Page 673 |
028678,000629: 35,3202 06524 ZEROVECS
028679,000630: 35,3203 03463 NORMEX
028680,000631:
![]() |
Page 674 |
028682,000633: # ..... S34/35.1 .....
028683,000634:
028684,000635: # COMPUTE UNIT NORMAL AND LINE OF SIGHT VECTORS GIVEN THE ACTIVE AND
028685,000636: # PASSIVE POS AND VEL AT TIME T3
028686,000637:
028687,000638: 35,3204 52375 S34/35.1 VLOAD VSU
028688,000639: 35,3205 03552 RPASS3
028689,000640: 35,3206 03536 RACT3
028690,000641: 35,3207 41456 UNIT PUSH
028691,000642: 35,3210 26311 STOVL ULOS
028692,000643: 35,3211 03536 RACT3
028693,000644: 35,3212 53435 VXV UNIT
028694,000645: 35,3213 03544 VACT3
028695,000646: 35,3214 02261 STORE UNRM
028696,000647: 35,3215 77616 RVQ
028697,000648:
![]() |
Page 675 |
028699,000650: # ..... S34/35.2 .....
028700,000651:
028701,000652: # ADVANCE PASSIVE VEH TO RENDEZVOUS TIME AND GET REQ VEL FROM LAMBERT
028702,000653:
028703,000654: 35,3216 77220 S34/35.2 STQ VLOAD
028704,000655: 35,3217 03470 SUBEXIT
028705,000656: 35,3220 03560 VPASS3
028706,000657: 35,3221 65315 PDVL PDDL
028707,000658: 35,3222 03552 RPASS3
028708,000659: 35,3223 03610 INTIME
028709,000660: 35,3224 65325 PDDL PDDL
028710,000661: 35,3225 03631 TPASS4
028711,000662: 35,3226 33641 TWOPI # CONIC
028712,000663: 35,3227 46125 PDDL BHIZ
028713,000664: 35,3230 03467 NN
028714,000665: 35,3231 73235 S3435.23
028715,000666: 35,3232 77745 DLOAD
028716,000667: 35,3233 41545 DLOAD PUSH
028717,000668: 35,3234 06524 ZEROVECS # PRECISION
028718,000669: 35,3235 77624 S3435.23 CALL
028719,000670: 35,3236 73376 INTINT # GET TARGET VECTOR
028720,000671: 35,3237 27444 S3435.25 STOVL RTARG
028721,000672: 35,3240 00007 VATT
028722,000673: 35,3241 27506 STOVL VPASS4
028723,000674: 35,3242 03444 RTARG
028724,000675: # COMPUTE PHI = PI + (ACOS(UNIT RA.UNIT RP) - PI) SIGN(RA*RP.U)
028725,000676: 35,3243 63256 UNIT PDVL # UNIT RP
028726,000677: 35,3244 03536 RACT3
028727,000678: 35,3245 41456 UNIT PUSH # UNIT RA
028728,000679: 35,3246 50235 VXV DOT
028729,000680: 35,3247 00001 0D
028730,000681: 35,3250 02261 UNRM # RA*RP.U
028731,000682: 35,3251 77715 PDVL
028732,000683: 35,3252 72441 DOT SL1 # UNIT RA.UNIT RP
028733,000684: 35,3253 00001 0D
028734,000685: 35,3254 75326 ACOS SIGN
028735,000686: 35,3255 43244 BPL DAD
028736,000687: 35,3256 73260 NOPIE
028737,000688: 35,3257 06532 DPPOSMAX # REASONABLE TWO PI
028738,000689: 35,3260 15756 NOPIE STODL ACTCENT
028739,000690: 35,3261 03631 TPASS4
028740,000691: 35,3262 77625 DSU
028741,000692: 35,3263 03610 INTIME
028742,000693: 35,3264 03452 STORE DELLT4
028743,000694: 35,3265 40335 SLOAD SETPD
028744,000695: 35,3266 03467 NN # NUMBER OF OFFSETS
028745,000696: 35,3267 00001 0D
028746,000697: 35,3270 63325 PDDL PDVL
028747,000698: 35,3271 33653 EPSFOUR
028748,000699: 35,3272 03536 RACT3
028749,000700: 35,3273 26323 STOVL RINIT
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Page 676 |
028751,000702: 35,3274 03544 VACT3
028752,000703: 35,3275 36331 STCALL VINIT
028753,000704: 35,3276 22000 INITVEL
028754,000705: 35,3277 77624 CALL
028755,000706: 35,3300 73357 LOMAT
028756,000707: 35,3301 64375 VLOAD MXV
028757,000708: 35,3302 02366 DELVEET3
028758,000709: 35,3303 00001 0D
028759,000710: 35,3304 77772 VSL1
028760,000711: 35,3305 37434 STCALL DELVLVC
028761,000712: 35,3306 03470 SUBEXIT
028762,000713:
![]() |
Page 677 |
028764,000715: # ..... S34/35.3 .....
028765,000716:
028766,000717: 35,3307 45020 S34/35.3 STQ CALL
028767,000718: 35,3310 03463 NORMEX
028768,000719: 35,3311 73357 LOMAT # GET MATRIX IN PUSH LIST
028769,000720: 35,3312 61375 VLOAD VXM
028770,000721: 35,3313 03434 DELVLVC # NEW DEL V TPI
028771,000722: 35,3314 00001 0D
028772,000723: 35,3315 77772 VSL1
028773,000724: 35,3316 02366 STORE DELVEET3 # SAVE FOR TRANSFORM
028774,000725: 35,3317 63255 VAD PDVL
028775,000726: 35,3320 03544 VACT3 # NEW V REQ
028776,000727: 35,3321 03536 RACT3
028777,000728: 35,3322 65325 PDDL PDDL
028778,000729: 35,3323 03442 TIG
028779,000730: 35,3324 03631 TPASS4
028780,000731: 35,3325 41525 PDDL PUSH
028781,000732: 35,3326 06532 DPPOSMAX
028782,000733: 35,3327 77624 CALL # INTEG. FOR NEW TARGET VEC
028783,000734: 35,3330 73376 INTINT
028784,000735: 35,3331 77775 VLOAD
028785,000736: 35,3332 00001 RATT
028786,000737: 35,3333 03444 STORE RTARG
028787,000738: 35,3334 41575 NOVRWRT VLOAD PUSH
028788,000739: 35,3335 02311 ULOS
028789,000740: 35,3336 57435 VXV VCOMP
028790,000741: 35,3337 02261 UNRM
028791,000742: 35,3340 41456 UNIT PUSH
028792,000743: 35,3341 76435 VXV VSL1
028793,000744: 35,3342 02311 ULOS
028794,000745: 35,3343 77715 PDVL
028795,000746: 35,3344 64315 PDVL MXV
028796,000747: 35,3345 02366 DELVEET3
028797,000748: 35,3346 00001 0D
028798,000749: 35,3347 77772 VSL1
028799,000750: 35,3350 36303 STCALL DVLOS
028800,000751: 35,3351 03463 NORMEX
028801,000752:
![]() |
Page 678 |
028803,000754: # ..... S34/35.4 .....
028804,000755:
028805,000756: 35,3352 40220 S34/35.4 STQ SETPD # NO ASTRONAUT OVERWRITE
028806,000757: 35,3353 03463 NORMEX
028807,000758: 35,3354 00001 0D
028808,000759: 35,3355 77650 GOTO
028809,000760: 35,3356 73334 NOVRWRT
028810,000761:
![]() |
Page 679 |
028812,000763: # ..... LOMAT .....
028813,000764:
028814,000765: 35,3357 57575 LOMAT VLOAD VCOMP
028815,000766: 35,3360 02261 UNRM
028816,000767: 35,3361 24007 STOVL 6D # Y
028817,000768: 35,3362 03536 RACT3
028818,000769: 35,3363 57456 UNIT VCOMP
028819,000770: 35,3364 00015 STORE 12D
028820,000771: 35,3365 76435 VXV VSL1
028821,000772: 35,3366 02261 UNRM # Z*-Y
028822,000773: 35,3367 00001 STORE 0D
028823,000774: 35,3370 43401 SETPD RVQ
028824,000775: 35,3371 00023 18D
028825,000776: 35,3372 65325 GOINT PDDL PDDL # DO
028826,000777: 35,3373 06524 ZEROVECS # NOT
028827,000778: 35,3374 02317 NOMTPI
028828,000779: 35,3375 41406 PUSH PUSH # ORDER OR INSERT BEFORE INTINT
028829,000780: 35,3376 45020 INTINT STQ CALL
028830,000781: 35,3377 03465 RTRN
028831,000782: 35,3400 27410 INTSTALL
028832,000783: 35,3401 71214 CLEAR DLOAD
028833,000784: 35,3402 01673 INTYPFLG
028834,000785: 35,3403 43054 BZE SET
028835,000786: 35,3404 73406 +2
028836,000787: 35,3405 01473 INTYPFLG
028837,000788: 35,3406 45545 DLOAD STADR
028838,000789: 35,3407 63736 STODL TDEC1
028839,000790: 35,3410 73014 SET LXA,2
028840,000791: 35,3411 00063 MOONFLAG
028841,000792: 35,3412 02777 RTX2
028842,000793: 35,3413 43014 BON CLEAR
028843,000794: 35,3414 04303 CMOONFLG
028844,000795: 35,3415 73417 ALLSET
028845,000796: 35,3416 00263 MOONFLAG
028846,000797: 35,3417 25517 ALLSET STOVL TET
028847,000798: 35,3420 77657 VSR*
028848,000799: 35,3421 57176 0,2
028849,000800: 35,3422 25535 STOVL RCV
028850,000801: 35,3423 77657 VSR*
028851,000802: 35,3424 57176 0,2
028852,000803: 35,3425 35543 STCALL VCV
028853,000804: 35,3426 27106 INTEGRVS
028854,000805: 35,3427 52175 VLOAD GOTO
028855,000806: 35,3430 00001 RATT
028856,000807: 35,3431 03465 RTRN
028857,000808:
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Page 680 |
028859,000810: # ..... S34/35.5 .....
028860,000811:
028861,000812: # SUBROUTINES USED
028862,000813: # BANKCALL
028863,000814: # GOFLASH
028864,000815: # GOTOPOOH
028865,000816: # S34/35.3
028866,000817: # S34/35.4
028867,000818: # VNPOOH
028868,000819:
028869,000820: 35,3432 43020 S34/35.5 STQ BON
028870,000821: 35,3433 03470 SUBEXIT
028871,000822: 35,3434 01311 FINALFLG
028872,000823: 35,3435 73441 FLAGON
028873,000824: 35,3436 52014 SET GOTO
028874,000825: 35,3437 00470 UPDATFLG
028875,000826: 35,3440 73505 FLAGOFF
028876,000827: 35,3441 77214 FLAGON CLEAR VLOAD
028877,000828: 35,3442 03274 NTARGFLG
028878,000829: 35,3443 03434 DELVLVC
028879,000830: 35,3444 01236 STORE GDT/2
028880,000831: 35,3445 77776 EXIT
028881,000832: 35,3446 33636 +5 CAF V06N81
028882,000833: 35,3447 04616 TC BANKCALL
028883,000834: 35,3450 20477 CADR GOFLASH
028884,000835: 35,3451 06001 TC GOTOPOOH
028885,000836: 35,3452 03454 TC +2 # PRO
028886,000837: 35,3453 03446 TC FLAGON +5 # LOAD
028887,000838: 35,3454 35016 +2 CA EBANK7
028888,000839: 35,3455 54003 TS EBANK # TO BE SURE
028889,000840:
028890,000841: 35,3456 22007 ZL
028891,000842: 35,3457 34756 CA FIVE
028892,000843: 35,3460 54002 NTARGCHK TS Q
028893,000844: 35,3461 50002 INDEX Q
028894,000845: 35,3462 41433 CS DELVLVC
028895,000846: 35,3463 50002 INDEX Q
028896,000847: 35,3464 61235 AD GDT/2
028897,000848: 35,3465 26001 ADS L
028898,000849: 35,3466 10002 CCS Q
028899,000850: 35,3467 13460 TCF NTARGCHK
028900,000851: 35,3470 22000 LXCH A
028901,000852: 35,3471 00006 EXTEND
028902,000853: 35,3472 13475 BZF +3
028903,000854: 35,3473 05504 TC UPFLAG
028904,000855: 35,3474 00146 ADRES NTARGFLG
028905,000856:
028906,000857: 35,3475 06042 TC INTPRET
028907,000858: 35,3476 45014 BOFF CALL
028908,000859: 35,3477 03354 NTARGFLG
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Page 681 |
028910,000861: 35,3500 73502 NOCHG
028911,000862: 35,3501 73307 S34/35.3
028912,000863: 35,3502 77775 NOCHG VLOAD
028913,000864: 35,3503 02366 DELVEET3
028914,000865: 35,3504 03656 STORE DELVSIN
028915,000866: 35,3505 77624 FLAGOFF CALL
028916,000867: 35,3506 73352 S34/35.4
028917,000868: 35,3507 77776 EXIT
028918,000869: 35,3510 33635 CAF V06N59
028919,000870: 35,3511 03621 TC VNPOOH
028920,000871: 35,3512 06042 TC INTPRET
028921,000872: 35,3513 77650 GOTO
028922,000873: 35,3514 03470 SUBEXIT
028923,000874:
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Page 682 |
028925,000876: # ..... VN1645 .....
028926,000877:
028927,000878: # SUBROUTINES USED
028928,000879: # P3XORP7X
028929,000880: # GET+MGA
028930,000881: # BANKCALL
028931,000882: # DELAYJOB
028932,000883: # COMPTGO
028933,000884: # GOFLASHR
028934,000885: # GOTOPOOH
028935,000886: # FLAGUP
028936,000887:
028937,000888: 35,3515 71220 VN1645 STQ DLOAD
028938,000889: 35,3516 03470 SUBEXIT
028939,000890: 35,3517 33651 DP-.01
028940,000891: 35,3520 02253 STORE +MGA # MGA = -.01
028941,000892: 35,3521 71214 BOFF DLOAD
028942,000893: 35,3522 01351 FINALFLG
028943,000894: 35,3523 73543 GET45
028944,000895: 35,3524 33651 DP-.01
028945,000896: 35,3525 77615 DAD
028946,000897: 35,3526 33651 DP-.01
028947,000898: 35,3527 02253 STORE +MGA # MGA = -.02
028948,000899: 35,3530 77414 BOFF EXIT
028949,000900: 35,3531 01742 REFSMFLG
028950,000901: 35,3532 73543 GET45
028951,000902: 35,3533 03613 TC P3XORP7X
028952,000903: 35,3534 03536 TC +2 # P3X
028953,000904: 35,3535 03544 TC GET45 +1 # P7X
028954,000905: 35,3536 06042 TC INTPRET
028955,000906: 35,3537 41575 VLOAD PUSH
028956,000907: 35,3540 03656 DELVSIN
028957,000908: 35,3541 77624 CALL # COMPUTE MGA
028958,000909: 35,3542 15725 GET+MGA
028959,000910: 35,3543 77776 GET45 EXIT
028960,000911: 35,3544 02437 TC COMPTGO # INITIATE TASK TO UPDATE TTOGO
028961,000912: 35,3545 31470 CA SUBEXIT
028962,000913: 35,3546 55464 TS QSAVED
028963,000914: 35,3547 34777 CAF 1SEC
028964,000915: 35,3550 04616 TC BANKCALL
028965,000916: 35,3551 01736 CADR DELAYJOB
028966,000917: 35,3552 33637 CAF V16N45 # TRKMKCNT, TTOGO, +MGA
028967,000918: 35,3553 04616 TC BANKCALL
028968,000919: 35,3554 20477 CADR GOFLASH
028969,000920: 35,3555 03560 TC KILCLOCK # TERMINATE
028970,000921: 35,3556 03563 TC N45PROC # PROCEED
028971,000922: 35,3557 03573 TC CLUPDATE # RECYCLE - RETURN FOR INITIAL COMPUTATION
028972,000923: 35,3560 30005 KILCLOCK CA Z
028973,000924: 35,3561 55162 TS DISPDEX
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Page 683 |
028975,000926: 35,3562 06001 TC GOTOPOOH
028976,000927: 35,3563 40076 N45PROC CS FLAGWRD2
028977,000928: 35,3564 74746 MASK BIT6
028978,000929: 35,3565 00006 EXTEND
028979,000930: 35,3566 13560 BZF KILCLOCK # FINALFLG IS SET - FLASH V37 - AWAIT NEW PGM
028980,000931: 35,3567 05353 TC PHASCHNG
028981,000932: 35,3570 04024 OCT 04024
028982,000933: 35,3571 05504 TC UPFLAG # SET
028983,000934: 35,3572 00047 ADRES FINALFLG # FINALFLG
028984,000935: 35,3573 30005 CLUPDATE CA Z
028985,000936: 35,3574 55162 TS DISPDEX
028986,000937: 35,3575 05353 TC PHASCHNG
028987,000938: 35,3576 04024 OCT 04024
028988,000939: 35,3577 06042 TC INTPRET
028989,000940: 35,3600 52014 CLEAR GOTO
028990,000941: 35,3601 00670 UPDATFLG
028991,000942: 35,3602 03464 QSAVED
028992,000943:
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Page 684 |
028994,000945: # ..... DISPLAYE .....
028995,000946:
028996,000947: # SUBROUTINES USED
028997,000948: # BANKCALL
028998,000949: # GOFLASHR
028999,000950: # GOTOPOOH
029000,000951: # BLANKET
029001,000952: # ENDOFJOB
029002,000953:
029003,000954: 35,3603 00006 DISPLAYE EXTEND
029004,000955: 35,3604 23463 QXCH NORMEX
029005,000956: 35,3605 33633 CAF V06N55
029006,000957: 35,3606 04616 TCR BANKCALL
029007,000958: 35,3607 20477 CADR GOFLASH
029008,000959: 35,3610 16001 TCF GOTOPOOH
029009,000960: 35,3611 01463 TC NORMEX
029010,000961: 35,3612 13605 TCF -5
029011,000962:
![]() |
Page 685 |
029013,000964: # ..... P3XORP7X .....
029014,000965:
029015,000966: 35,3613 37747 P3XORP7X CAF HIGH9
029016,000967: 35,3614 71010 MASK MODREG
029017,000968: 35,3615 00006 EXTEND
029018,000969: 35,3616 13620 BZF +2
029019,000970: 35,3617 24002 INCR Q
029020,000971: 35,3620 00002 RETURN
029021,000972:
029022,000973: # ..... VNPOOH .....
029023,000974:
029024,000975: # SUBROUTINES USED
029025,000976: # BANKCALL
029026,000977: # GOFLASH
029027,000978: # GOTOPOOH
029028,000979:
029029,000980: 35,3621 00006 VNPOOH EXTEND
029030,000981: 35,3622 23465 QXCH RTRN
029031,000982: 35,3623 55615 TS VERBNOUN
029032,000983: 35,3624 31615 CA VERBNOUN
029033,000984: 35,3625 04616 TCR BANKCALL
029034,000985: 35,3626 20477 CADR GOFLASH
029035,000986: 35,3627 16001 TCF GOTOPOOH
029036,000987: 35,3630 01465 TC RTRN
029037,000988: 35,3631 13624 TCF -5
029038,000989:
![]() |
Page 686 |
029040,000991: # ..... CONSTANTS .....
029041,000992:
029042,000993: 35,3632 01445 V06N37 VN 0637
029043,000994: 35,3633 01467 V06N55 VN 0655
029044,000995: 35,3634 01472 V06N58 VN 0658
029045,000996: 35,3635 01473 V06N59 VN 0659
029046,000997: 35,3636 01521 V06N81 VN 0681
029047,000998: 35,3637 04055 V16N45 VN 1645
029048,000999: 35,3640 14441 37325 TWOPI 2DEC 6.283185307 B-4
029049,001000: 35,3642 00001 20650 MAX250 2DEC 25 E3
029050,001001: 35,3644 12525 12525 THIRD 2DEC .333333333
029051,001002: 35,3646 00004 21505 ELEPS 2DEC .27777777 E-3
029052,001003: 35,3650 77777 DP-.01 OCT 77777 # CONSTANTS
029053,001004: 35,3651 61337 OCT 61337 # ADJACENT -.01 FOR MGA DSP
029054,001005: 35,3652 01252 25253 EPSFOUR 2DEC .0416666666
029055,001006: 35,3654 13434 16162 130DEG 2DEC .3611111111
029056,001007:
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Page 687 |
029058,001009: # ..... INITVEL .....
029059,001010: # MOD NO -1 LOG SECTION - P34-P35, P74-P75
029060,001011: # MOD BY WHITE.P DATE 21 NOV 67
029061,001012:
029062,001013: # FUNCTIONAL DESCRIPTION
029063,001014: # THIS SUBROUTINE COMPUTES THE REQUIRED INITIAL VELOCITY VECTOR FOR
029064,001015: # A TRAJECTORY OF SPECIFIED TRANSFER TIME BETWEEN SPECIFIED INITIAL
029065,001016: # AND TARGET POSITIONS. THE TRAJECTORY MAY BE EITHER CONIC OR
029066,001017: # PRECISION DEPENDING ON AN INPUT PARAMETER (NAMELY, NUMBER OF
029067,001018: # OFFSETS). IN ADDITION, IN TH EPRECISION TRAJECTORY CASE, THE
029068,001019: # SUBROUTINE ALSO COMPUTES AN OFFSET TARGET VECTOR, TO BE USED
029069,001020: # DURING PURE-CONIC CROSS-PRODUCT STEERING. THE OFFSET TARGET
029070,001021: # VECTOR IS THE TERMINAL POSITION VECTOR OF A CONIC TRAJECTORY WHICH
029071,001022: # HAS THE SAME INITIAL STATE AS A PRECISION TRAJECTORY WHOSE
029072,001023: # TERMINAL POSITION VECTOR IS THE SPECIFIED TARGET VECTOR.
029073,001024:
029074,001025: # IN ORDER TO AVOID THE INHERENT SINGULARITIES IN THE 180 DEGREE
029075,001026: # TRANSFER CASE WHEN THE (TRUE OR OFFSET) TARGET VECTOR MAY BE
029076,001027: # SLIGHTLYOUT OF THE ORBITAL PLANE, THIS SUBROUTINE ROTATES THIS
029077,001028: # VECTOR INTO A PLANE DEFINED BY THE INPUT INITIAL POSITION VECTOR
029078,001029: # AND ANOTHER INPUT VECTOR (USUALLY THE INITIAL VELOCITY VECTOR),
029079,001030: # WHENEVER THE INPUT TARGET VECTOR LIES INSIDE A CONE WHOSE VERTEX
029080,001031: # IS THE ORIGIN OF COORDINATES, WHOSE AXIS IS THE 180 DEGREE
029081,001032: # TRANSFER DIRECTION, AND WHOSE CONE ANGLE IS SPECIFIED BY THE USER.
029082,001033:
029083,001034: # THE LAMBERT SUBROUTINE IS UTILIZED FOR THE CONIC COMPUTATIONS AND
029084,001035: # THE COASTING INTEGRATION SUBROUTINE IS UTILIZED FOR THE PRECISION
029085,001036: # TRAJECTORY COMPUTATIONS.
029086,001037:
029087,001038: # CALLING SEQUENCE
029088,001039: # L CALL
029089,001040: # L+1 INITVEL
029090,001041: # L+2 (RETURN - ALWAYS)
029091,001042:
029092,001043: # INPUT
029093,001044: # (1) RINIT INITIAL POSITION RADIUS VECTOR
029094,001045: # (2) VINIT INITIAL POSITION VELOCITY VECTOR
029095,001046: # (3) RTARG TARGET POSITION RADIUS VECTOR
029096,001047: # (4) DELLT4 DESIRED TIME OF FLIGHT FROM RINIT TO RTARG
029097,001048: # (5) INTIME TIME OF RINIT
029098,001049: # (6) 0D NUMBER OF ITERATIONS OF LAMBERT/INTEGRVS
029099,001050: # (7) 2D ANGLE TO 180 DEGREES WHEN ROTATION STARTS
029100,001051: # (8) RTX1 -2 FOR EARTH, -10D FOR LUNAR
029101,001052: # (9) RTX2 COORDINATE SYSTEM ORIGIN - 0 FOR EARTH, 2 FOR LUNAR
029102,001053: # PUSHLOC SET AT 4D
029103,001054:
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Page 688 |
029105,001056: # OUTPUT
029106,001057: # (1) RTARG OFFSET TARGET POSITION VECTOR
029107,001058: # (2) VIPRIME MANEUVER VELOCITY REQUIRED
029108,001059: # (3) VTPRIME VELOCITY AT TARGET AFTER MANEUVER
029109,001060: # (4) DELVEET3 DELTA VELOCITY REQUIRED FOR MANEUVER
029110,001061:
029111,001062: # SUBROUTINES USED
029112,001063: # LAMBERT
029113,001064: # INTSTALL
029114,001065: # INTEGRVS
029115,001066:
029116,001067: 11,2000 SETLOC INTVEL
029117,001068: 11,2000 BANK
029118,001069:
029119,001070: 11,2000 COUNT* $$/INITV
029120,001071: 11,2000 77614 INITVEL SET # COGA GUESS NOT AVAILABLE
029121,001072: 11,2001 00475 GUESSW
029122,001073: 11,2002 44175 HAVEGUES VLOAD STQ
029123,001074: 11,2003 03444 RTARG
029124,001075: 11,2004 03463 NORMEX
029125,001076: 11,2005 03472 STORE RTARG1
029126,001077: 11,2006 77646 ABVAL
029127,001078: 11,2007 03723 STORE RTMAG
029128,001079: 11,2010 46135 SLOAD BHIZ
029129,001080: 11,2011 03000 RTX2
029130,001081: 11,2012 22026 INITVEL1
029131,001082: 11,2013 72575 VLOAD VSL2
029132,001083: 11,2014 02323 RINIT # B29
029133,001084: 11,2015 26323 STOVL RINIT # B27
029134,001085: 11,2016 02331 VINIT # B7
029135,001086: 11,2017 77752 VSL2
029136,001087: 11,2020 26331 STOVL VINIT # B5
029137,001088: 11,2021 03472 RTARG1
029138,001089: 11,2022 77752 VSL2
029139,001090: 11,2023 03472 STORE RTARG1
029140,001091: 11,2024 77646 ABVAL
029141,001092: 11,2025 03723 STORE RTMAG
029142,001093:
029143,001094: # INITIALIZATION
029144,001095:
029145,001096: 11,2026 71331 INITVEL1 SSP DLOAD # SET ITCTR TO -1,LOAD MPAC WITH E4 (PL 2D)
029146,001097: 11,2027 03617 ITCTR
029147,001098: 11,2030 77776 0 -1
029148,001099: 11,2031 70546 COSINE SR1 # CALCULATE COSINE (E4) (+2)
029149,001100: 11,2032 17667 STODL COZY4 # SET COZY4 TO COSINE (E4) (PL 0D)
029150,001101: 11,2033 67154 LXA,2 SXA,2
029151,001102: 11,2034 00154 MPAC
029152,001103: 11,2035 02701 VTARGTAG # SET VTARGTAG TO 0D (SP)
029153,001104: 11,2036 77775 VLOAD
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Page 689 |
029155,001106: 11,2037 02323 RINIT
029156,001107: 11,2040 26655 STOVL R1VEC # R1VEC EQ RINIT
029157,001108: 11,2041 03472 RTARG1
029158,001109: 11,2042 16663 STODL R2VEC # R2VEC EQ RTARG
029159,001110: 11,2043 03452 DELLT4
029160,001111: 11,2044 02671 STORE TDESIRED # TDESIRED EQ DELLT4
029161,001112: 11,2045 77201 SETPD VLOAD
029162,001113: 11,2046 00001 0D # INITIALIZE PL TO 0D
029163,001114: 11,2047 02323 RINIT # MPAC EQ RINIT (+29)
029164,001115: 11,2050 41456 UNIT PUSH # UNIT(RI) (+1) (PL 6D)
029165,001116: 11,2051 53435 VXV UNIT
029166,001117: 11,2052 02331 VINIT # MPAC EQ UNIT(RI) X VI (+8)
029167,001118: 11,2053 26674 STOVL UN
029168,001119: 11,2054 03472 RTARG1
029169,001120: 11,2055 50256 UNIT DOT # TEMP=URT.URI (+2) (PL 0D)
029170,001121: 11,2056 43015 DAD CLEAR
029171,001122: 11,2057 03667 COZY4
029172,001123: 11,2060 03665 NORMSW
029173,001124: 11,2061 03667 STORE COZY4
029174,001125: 11,2062 43044 INITVEL2 BPL SET
029175,001126: 11,2063 22105 INITVEL3 # UN CALCULATED IN LAMBERT
029176,001127: 11,2064 03465 NORMSW
029177,001128:
029178,001129: # ROTATE RC INTO YC PLANE - SET UNIT NORMAL TO YC
029179,001130:
029180,001131: 11,2065 41575 VLOAD PUSH # (PL 6D)
029181,001132: 11,2066 02663 R2VEC # RC TO 6D (+29)
029182,001133: 11,2067 63246 ABVAL PDVL # RC TO MPAC, ABVAL(RC) (+29) TO OD(PL 2D)
029183,001134: 11,2070 46206 PUSH VPROJ # (PL 8D)
029184,001135: 11,2071 02674 UN
029185,001136: 11,2072 51352 VSL2 BVSU
029186,001137: 11,2073 74256 UNIT VXSC # (PL 0D)
029187,001138: 11,2074 77772 VSL1
029188,001139: 11,2075 02663 STORE R2VEC
029189,001140: 11,2076 67351 TLOAD SLOAD
029190,001141: 11,2077 24007 ZEROVEC
029191,001142: 11,2100 03617 ITCTR
029192,001143: 11,2101 77244 BPL VLOAD
029193,001144: 11,2102 22105 INITVEL3
029194,001145: 11,2103 02663 R2VEC
029195,001146: 11,2104 03472 STORE RTARG1
029196,001147: 11,2105 63345 INITVEL3 DLOAD PDVL # (PL 2D)
029197,001148: 11,2106 26007 MUEARTH # POSITIVE VALUE
029198,001149: 11,2107 02663 R2VEC
029199,001150: 11,2110 63256 UNIT PDVL # 2D = UNIT(R2VEC) (PL 8D)
029200,001151: 11,2111 02655 R1VEC
029201,001152: 11,2112 41456 UNIT PUSH # 8D = UNIT(R1VEC) (PL 14D)
029202,001153: 11,2113 57435 VXV VCOMP # -N = UNIT(R2VEC) X UNIT(R1VEC)
029203,001154: 11,2114 00003 2D
029204,001155: 11,2115 77606 PUSH # (PL 20D)
029205,001156: 11,2116 71350 LXA,1 DLOAD
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Page 690 |
029207,001158: 11,2117 02776 RTX1
029208,001159: 11,2120 00023 18D
029209,001160: 11,2121 62040 BMN INCR,1
029210,001161: 11,2122 22124 +2
029211,001162: 11,2123 77767 DEC -8 B-14
029212,001163: 11,2124 67310 INCR,1 SLOAD
029213,001164: 11,2125 00012 10D
029214,001165: 11,2126 00047 X1
029215,001166: 11,2127 77230 BHIZ VLOAD # (PL 14D)
029216,001167: 11,2130 22132 +2
029217,001168: 11,2131 41476 VCOMP PUSH # (PL 20 D)
029218,001169: 11,2132 77775 VLOAD # (PL 14D)
029219,001170: 11,2133 50235 VXV DOT # (PL 2D)
029220,001171: 11,2134 71244 BPL DLOAD # (PL 0D)
029221,001172: 11,2135 22137 INITVEL4
029222,001173: 11,2136 41476 DCOMP PUSH # (PL 2D)
029223,001174: 11,2137 67154 INITVEL4 LXA,2 SXA,2
029224,001175: 11,2140 00000 0D
029225,001176: 11,2141 02672 GEOMSGN
029226,001177:
029227,001178: # SET INPUTS UP FOR LAMBERT
029228,001179:
029229,001180: 11,2142 66350 LXA,1 SSP
029230,001181: 11,2143 02776 RTX1
029231,001182: 11,2144 00027 ITERCTR
029232,001183: 11,2145 00024 20D
029233,001184:
029234,001185: # OPERATE THE LAMBERT CONIC ROUTINE (COASTFLT SUBROUTINE)
029235,001186:
029236,001187: 11,2146 77624 CALL
029237,001188: 11,2147 25212 LAMBERT
029238,001189:
029239,001190: # ARRIVED AT SOLUTION IS GOOD ENOUGH ACCORDING TO SLIGHTLY WIDER BOUNDS.
029240,001191:
029241,001192: 11,2150 77214 CLEAR VLOAD
029242,001193: 11,2151 00675 GUESSW
029243,001194: 11,2152 02744 VVEC
029244,001195:
029245,001196: # STORE CALCULATED INITIAL VELOCITY REQUIRED IN VIPRIME
029246,001197:
029247,001198: 11,2153 16337 STODL VIPRIME # INITIAL VELOCITY REQUIRED (+7)
029248,001199:
029249,001200: # IF NUMIT IS ZERO, CONTINUE AT INITVELB, OTHERWISE
029250,001201: # SET UP INPUTS FOR ENCKE INTEGRATION (INTEGRVS).
029251,001202:
029252,001203: 11,2154 02702 VTARGTAG
029253,001204: 11,2155 45030 BHIZ CALL
029254,001205: 11,2156 22233 INITVEL7
029255,001206: 11,2157 27410 INTSTALL
029256,001207: 11,2160 43135 SLOAD CLEAR
029257,001208: 11,2161 03000 RTX2
029258,001209: 11,2162 00263 MOONFLAG
029259,001210: 11,2163 43030 BHIZ SET
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Page 691 |
029261,001212: 11,2164 22166 INITVEL5
029262,001213: 11,2165 00063 MOONFLAG
029263,001214: 11,2166 77775 INITVEL5 VLOAD
029264,001215: 11,2167 02323 RINIT
029265,001216: 11,2170 02655 STORE R1VEC
029266,001217: 11,2171 25535 STOVL RCV
029267,001218: 11,2172 02337 VIPRIME
029268,001219: 11,2173 15543 STODL VCV
029269,001220: 11,2174 03610 INTIME
029270,001221: 11,2175 01517 STORE TET
029271,001222: 11,2176 43015 DAD CLEAR
029272,001223: 11,2177 03452 DELLT4
029273,001224: 11,2200 01673 INTYPFLG
029274,001225: 11,2201 34041 STCALL TDEC1
029275,001226: 11,2202 27106 INTEGRVS
029276,001227: 11,2203 77775 VLOAD
029277,001228: 11,2204 00025 VATT1
029278,001229: 11,2205 02703 STORE VTARGET
029279,001230:
029280,001231: # IF ITERATION COUNTER (ITCTR) EQ NO. ITERATIONS (NUMIT), CONTINUE AT
029281,001232: # INITVELC, OTHERWISE REITERATE LAMBERT AND ENCKE
029282,001233:
029283,001234: 11,2206 63154 LXA,2 INCR,2
029284,001235: 11,2207 03616 ITCTR
029285,001236: 11,2210 00001 1D # INCREMENT ITCTR
029286,001237: 11,2211 55134 SXA,2 XSU,2
029287,001238: 11,2212 03616 ITCTR
029288,001239: 11,2213 02701 VTARGTAG
029289,001240: 11,2214 46135 SLOAD BHIZ # IF SP(MPAC) EQ 0, CONTINUE AT INITVELC
029290,001241: 11,2215 00050 X2
029291,001242: 11,2216 22230 INITVEL6
029292,001243:
029293,001244: # OFFSET CONIC TARGET VECTOR
029294,001245:
029295,001246: 11,2217 52375 VLOAD VSU
029296,001247: 11,2220 03472 RTARG1
029297,001248: 11,2221 00017 RATT1
029298,001249: 11,2222 77655 VAD
029299,001250: 11,2223 02663 R2VEC
029300,001251: 11,2224 16663 STODL R2VEC
029301,001252: 11,2225 03667 COZY4
029302,001253: 11,2226 77650 GOTO
029303,001254: 11,2227 22062 INITVEL2 # CONTINUE ITERATING AT INITVEL2
029304,001255:
029305,001256: # COMPUTE THE DELTA VELOCITY
029306,001257:
029307,001258: 11,2230 77775 INITVEL6 VLOAD
029308,001259: 11,2231 02663 R2VEC
029309,001260: 11,2232 03472 STORE RTARG1
029310,001261: 11,2233 52375 INITVEL7 VLOAD VSU
029311,001262: 11,2234 02337 VIPRIME
029312,001263: 11,2235 02331 VINIT
![]() |
Page 692 |
029314,001265: 11,2236 26366 STOVL DELVEET3 # DELVEET3 = VIPRIME-VINIT (+7)
029315,001266: 11,2237 02703 VTARGET
029316,001267: 11,2240 03566 STORE VTPRIME
029317,001268: 11,2241 46135 SLOAD BHIZ
029318,001269: 11,2242 03000 RTX2
029319,001270: 11,2243 22260 INITVELX
029320,001271: 11,2244 70575 VLOAD VSR2
029321,001272: 11,2245 03566 VTPRIME
029322,001273: 11,2246 27566 STOVL VTPRIME
029323,001274: 11,2247 02337 VIPRIME
029324,001275: 11,2250 77742 VSR2
029325,001276: 11,2251 26337 STOVL VIPRIME
029326,001277: 11,2252 03472 RTARG1
029327,001278: 11,2253 77742 VSR2
029328,001279: 11,2254 27472 STOVL RTARG1
029329,001280: 11,2255 02366 DELVEET3
029330,001281: 11,2256 77742 VSR2
029331,001282: 11,2257 02366 STORE DELVEET3
029332,001283: 11,2260 70750 INITVELX LXA,1 DLOAD*
029333,001284: 11,2261 02776 RTX1
029334,001285: 11,2262 10003 MUTABLE -2,1
029335,001286: 11,2263 41206 PUSH DMP
029336,001287: 11,2264 02742 R1A
029337,001288: 11,2265 56342 SR1 DDV
029338,001289: 11,2266 00041 R1
029339,001290: 11,2267 17721 STODL MU/A
029340,001291: 11,2270 77661 SR
029341,001292: 11,2271 20607 6
029342,001293: 11,2272 03717 STORE MUASTEER
029343,001294: 11,2273 77201 SETPD VLOAD
029344,001295: 11,2274 00001 0D
029345,001296: 11,2275 03472 RTARG1
029346,001297: 11,2276 03444 STORE RTARG
029347,001298: 11,2277 52014 CLEAR GOTO
029348,001299: 11,2300 01267 XDELVFLG
029349,001300: 11,2301 03463 NORMEX
029350,001301:
029351,001302: # ..... END OF INITVEL ROUTINE .....
029352,001303:
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Page 693 |
029354,001305: # ..... MIDGIM .....
029355,001306: # MOD NO. 0, BY WILLMAN, SUBROUTINE RENDGUID, LOG P34-P35, P74-P75
029356,001307: # REVISION 03, 17 FEB 67
029357,001308:
029358,001309: # IF THE ACTIVE VEHICLE IS DOING THE COMPUTATION, MIDGIM COMPUTES
029359,001310: # THE POSITIVE MIDDLE GIMBAL ANGLE OF THE ACTIVE VEHICLE TO THE INPUT
029360,001311: # DELTA VELOCITY VECTOR (0D IN PUSH LIST), OTHERWISE
029361,001312: # MIDGIM CONVERTS THE INPUT DELTA VELOCITY VECTOR FROM INERTIAL COORDIN-
029362,001313: # ATES TO LOCAL VERTICAL COORDINATES OF THE ACTIVE VEHICLE.
029363,001314:
029364,001315: # .. INPUTS ..
029365,001316: # NAME MEANING UNITS/SCALING/MODE
029366,001317: # AVFLAG INT FLAG - 0 IS CSM ACTIVE, 1 IS LEM ACTIVE BIT
029367,001318: # RINIT ACTIVE VEHICLE RADIUS VECTOR METERS/CSEC (+7) VT
029368,001319: # VINIT ACTIVE VEHICLE VELOCITY VECTOR METERS/CSEC (+7) VT
029369,001320: # 0D(PL) ACTIVE VEHICLE DELTA VELOCITY VECTOR METERS/CSEC (+7) VT
029370,001321:
029371,001322: # .. OUTPUTS ..
029372,001323: # NAME MEANING UNITS/SCALING/MODE
029373,001324: # +MGA + MIDDLE GIMBAL ANGLE REVOLUTIONS (+0) DP
029374,001325: # DELVLVC DELTA VELOCITY VECTOR IN LV COORD. METERS/CSEC (+7) VT
029375,001326: # MGLVFLAG INT FLAG - 0 IS +MGA COMPUTED, 1 IS DELVLVC COMP. - BIT
029376,001327:
029377,001328: # .. CALLING SEQUENCE ..
029378,001329: # L CALL
029379,001330: # L+1 MIDGIM
029380,001331: # L+2 (RETURN - ALWAYS)
029381,001332:
029382,001333: # .. NO SUBROUTINES CALLED ..
029383,001334:
029384,001335: # .. DEBRIS - ERASEABLE TEMPORARY USAGE
029385,001336: # A,Q,L, PUSH LIST, MPAC.
029386,001337:
029387,001338: # .. ALARMS - NONE ..
029388,001339:
![]() |
Page 694 |
029390,001341: # MIDDLE GIMBAL ANGLE COMPUTATION.
029391,001342:
029392,001343: 06,2000 SETLOC MIDDGIM
029393,001344: 06,2000 BANK
029394,001345:
029395,001346: 06,3723 COUNT* $$/MIDG
029396,001347:
029397,001348: 06,3723 20000 00000 HALFREV 2DEC 1 B-1
029398,001349:
029399,001350: 06,3725 53575 GET+MGA VLOAD UNIT # (PL 0D) V (+7) TO MPAC, UNITIZE UV (+1)
029400,001351: 06,3726 77656 UNIT
029401,001352: 06,3727 72441 DOT SL1 # DOT UV WITH Y(STABLE MEMBER) AND RESCALE
029402,001353: 06,3730 01742 REFSMMAT +6 # FROM +2 TO +1 FOR ASIN ROUTINE
029403,001354: 06,3731 51136 ARCSIN BPL
029404,001355: 06,3732 15736 SETMGA
029405,001356: 06,3733 43215 DAD DAD # CONVERT -MGA TO +MGA BY
029406,001357: 06,3734 15724 HALFREV # ADDING ONE REVOLUTION
029407,001358: 06,3735 15724 HALFREV
029408,001359: 06,3736 02253 SETMGA STORE +MGA
029409,001360: 06,3737 43414 CLR RVQ # CLEAR MGLVFLAG TO INDICATE +MGA CALC
029410,001361: 06,3740 02675 MGLVFLAG # AND EXIT
029411,001362: 06,3741 53575 GET.LVC VLOAD UNIT # (PL 6D) R (+29) IN MPAC, UNITIZE UR
029412,001363: 06,3742 02323 RINIT
029413,001364: 06,3743 77676 VCOMP # U(-R)
029414,001365: 06,3744 00023 STORE 18D # U(-R) TO 18D
029415,001366: 06,3745 53435 VXV UNIT # U(-R)*V EQ V*U(R), U(V*R)
029416,001367: 06,3746 02331 VINIT
029417,001368: 06,3747 00015 STORE 12D # U(V*R) TO 12D
029418,001369: 06,3750 53435 VXV UNIT # U(V*R)*U(-R), U((V*R)*(-R))
029419,001370: 06,3751 00023 18D
029420,001371: 06,3752 24007 STOVL 6D # TRANSFORMATION MATRIX IS IN 6D (+1)
029421,001372: 06,3753 00001 0D # DELTA V (+7) IN 0D
029422,001373: 06,3754 76521 MXV VSL1 # CONVERT FROM INER COOR TO LV COOR (+8)
029423,001374: 06,3755 00007 6D # AND SCALE +7 IN MPAC
029424,001375: 06,3756 03434 STORE DELVLVC # STORE IN DELVLVC (+7)
029425,001376: 06,3757 43414 SET RVQ # SET MGLVFLAG TO INDICATE LVC CALC
029426,001377: 06,3760 02475 MGLVFLAG # AND EXIT
029427,001378:
029428,001379: # ..... END OF MIDGIM ROUTINE .....
029429,001380:
![]() |
Page 695 |
029431,001382: 10,2000 BANK 10
029432,001383: 10,2000 SETLOC SLCTMU
029433,001384: 10,2000 BANK
029434,001385: 10,2000 COUNT* $$/MIDG
029435,001386:
029436,001387: 10,2000 77160 SELECTMU AXC,1 AXT,2
029437,001388: 10,2001 00002 2D
029438,001389: 10,2002 00000 0D
029439,001390: 10,2003 77614 BOFF
029440,001391: 10,2004 04343 CMOONFLG
029441,001392: 10,2005 20011 SETMUER
029442,001393: 10,2006 77160 AXC,1 AXT,2
029443,001394: 10,2007 00012 10D
029444,001395: 10,2010 00002 2D
029445,001396: 10,2011 66143 SETMUER DLOAD* SXA,1
029446,001397: 10,2012 10011 MUTABLE +4,1
029447,001398: 10,2013 02776 RTX1
029448,001399: 10,2014 22317 STODL* RTSR1/MU
029449,001400: 10,2015 10003 MUTABLE -2,1
029450,001401: 10,2016 54214 BOFF SR
029451,001402: 10,2017 04343 CMOONFLG
029452,001403: 10,2020 20022 RTRNMU
029453,001404: 10,2021 20607 6D
029454,001405: 10,2022 02321 RTRNMU STORE RTMU
029455,001406: 10,2023 43134 SXA,2 CLEAR
029456,001407: 10,2024 02777 RTX2
029457,001408: 10,2025 01271 FINALFLG
029458,001409: 10,2026 77650 GOTO
029459,001410: 10,2027 73515 VN1645
029460,001411:
![]() |
Page 696 |
029462,001413: # ..... PERIAPO .....
029463,001414: # MOD NO -1 LOG SECTION - P34-P35, P74-P75
029464,001415: # MOD BY WHITE.P DATE 18 JAN 68
029465,001416:
029466,001417: # FUNCTIONAL DESCRIPTION
029467,001418: # THIS SUBROUTINE COMPUTES THE TWO BODY APOCENTER AND PERICENTER
029468,001419: # ALTITUDES GIVEN THE POSITION AND VELOCITY VECTORS FOR A POINT ON
029469,001420: # THE TRAJECTORY AND THE PRIMARY BODY.
029470,001421:
029471,001422: # SETRAD IS CALLED TO DETERMINE THE RADIUS OF THE PRIMARY BODY.
029472,001423:
029473,001424: # APSIDES IS CALLED TO SOLVE FOR THE TWO BODY RADII OF APOCENTER AND
029474,001425: # PERICENTER AND THE ECCENTRICITY OF THE TRAJECTORY.
029475,001426:
029476,001427: # CALLING SEQUENCE
029477,001428: # L CALL
029478,001429: # L+1 PERIAPO
029479,001430: # L+2 (RETURN - ALWAYS)
029480,001431:
029481,001432: # INPUT
029482,001433: # (1) RVEC POSITION VECTOR IN METERS
029483,001434: # SCALE FACTOR - EARTH +29, MOON +27
029484,001435: # (2) VVEC VELOCITY VECTOR IN METERS/CENTISECOND
029485,001436: # SCALE FACTOR - EARTH +7, MOON +5
029486,001437: # (3) X1 PRIMARY BODY INDICATOR
029487,001438: # EARTH -2, MOON -10
029488,001439:
029489,001440: # OUTPUT
029490,001441: # (1) 2D APOCENTER RADIUS IN METERS
029491,001442: # SCALE FACTOR - EARTH +29, MOON +27
029492,001443: # (2) 4D APOCENTER ALTITUDE IN METERS
029493,001444: # SCALE FACTOR - EARTH +29, MOON P27
029494,001445: # (3) 6D PERICENTER RADIUS IN METERS
029495,001446: # SCALE FACTOR - EARTH +29, MOON +27
029496,001447: # (4) 8D PERICENTER ALTITUDE IN METERS
029497,001448: # SCALE FACTOR - EARTH +29, MOON +27
029498,001449: # (5) ECC ECCENTRICITY OF CONIC TRAJECTORY
029499,001450: # SCALE FACTOR - +3
029500,001451: # (6) XXXALT RADIUS OF THE PRIMARY BODY IN METERS
029501,001452: # SCALE FACTOR - EARTH +29, MOON +27
029502,001453: # (7) PUSHLOC EQUALS 10D
029503,001454:
029504,001455: # SUBROUTINES USED
029505,001456: # SETRAD
![]() |
Page 697 |
029507,001458: # APSIDES
029508,001459:
029509,001460: 23,2000 SETLOC APOPERI
029510,001461: 23,2000 BANK
029511,001462:
029512,001463: 23,2337 COUNT* $$/PERAP
029513,001464:
029514,001465: 23,2337 00302 17755 RPAD 2DEC 6373338 B-29 # STANDARD RADIUS OF PAD 37-B.
029515,001466: # = 20 909 901.57 FT
029516,001467:
029517,001468: 23,2341 53754 PERIAPO1 LXA,2 VSR*
029518,001469: 23,2342 02777 RTX2
029519,001470: 23,2343 57176 0,2
029520,001471: 23,2344 26744 STOVL VVEC
029521,001472: 23,2345 53750 LXA,1 VSR*
029522,001473: 23,2346 02776 RTX1
029523,001474: 23,2347 57176 0,2
029524,001475: 23,2350 02655 STORE RVEC
029525,001476: 23,2351 45020 PERIAPO STQ CALL
029526,001477: 23,2352 03463 NORMEX
029527,001478: 23,2353 46367 SETRAD
029528,001479: 23,2354 37671 STCALL XXXALT
029529,001480: 23,2355 25704 APSIDES
029530,001481: 23,2356 41401 SETPD PUSH # 2D = APOCENTER RADIUS B29 OR B27
029531,001482: 23,2357 00003 2D
029532,001483: 23,2360 65225 DSU PDDL # 4D = APOGEE ALTITUDE B29 OR B27
029533,001484: 23,2361 03671 XXXALT
029534,001485: 23,2362 00001 0D
029535,001486: 23,2363 45206 PUSH DSU # 6D = PERICENTER RADIUS B29 OR B27
029536,001487: 23,2364 03671 XXXALT
029537,001488: 23,2365 52006 PUSH GOTO # 8D = PERIGEE ALTITUDE B29 OR B27
029538,001489: 23,2366 03463 NORMEX
029539,001490:
![]() |
Page 698 |
029541,001492: # SETRAD
029542,001493:
029543,001494: 23,2367 41545 SETRAD DLOAD PUSH
029544,001495: 23,2370 06340 RPAD
029545,001496: 23,2371 63130 SXA,1 INCR,2
029546,001497: 23,2372 00047 X2
029547,001498: 23,2373 00002 2D
029548,001499: 23,2374 46135 SLOAD BHIZ
029549,001500: 23,2375 00050 X2
029550,001501: 23,2376 46402 SETRADX
029551,001502: 23,2377 51575 VLOAD ABVAL
029552,001503: 23,2400 02023 RLS
029553,001504: 23,2401 77725 PDDL
029554,001505: 23,2402 43545 SETRADX DLOAD RVQ
029555,001506:
![]() |
Page 699 |
029557,001508: # PRECSET
029558,001509:
029559,001510: 23,2403 77620 PRECSET STQ
029560,001511: 23,2404 03463 NORMEX
029561,001512: 23,2405 37574 STCALL TDEC2
029562,001513: 23,2406 27056 LEMPREC
029563,001514: 23,2407 77624 CALL
029564,001515: 23,2410 46421 LEMSTORE
029565,001516: 23,2411 77745 DLOAD
029566,001517: 23,2412 03574 TDEC2
029567,001518: 23,2413 34041 STCALL TDEC1
029568,001519: 23,2414 27042 CSMPREC
029569,001520: 23,2415 77624 CALL
029570,001521: 23,2416 46431 CSMSTORE
029571,001522: 23,2417 77650 GOTO
029572,001523: 23,2420 03463 NORMEX
029573,001524: 23,2421 43175 LEMSTORE VLOAD BOFF
029574,001525: 23,2422 00001 RATT
029575,001526: 23,2423 01352 AVFLAG
029576,001527: 23,2424 46435 PASSIVE
029577,001528: 23,2425 27536 ACTIVE STOVL RACT3
029578,001529: 23,2426 00007 VATT
029579,001530: 23,2427 03544 STORE VACT3
029580,001531: 23,2430 77616 RVQ
029581,001532: 23,2431 43175 CSMSTORE VLOAD BOFF
029582,001533: 23,2432 00001 RATT
029583,001534: 23,2433 01352 AVFLAG
029584,001535: 23,2434 46425 ACTIVE
029585,001536: 23,2435 27552 PASSIVE STOVL RPASS3
029586,001537: 23,2436 00007 VATT
029587,001538: 23,2437 03560 STORE VPASS3
029588,001539: 23,2440 77616 RVQ
029589,001540:
![]() |
Page 700 |
029591,001542: # VECSHIFT
029592,001543:
029593,001544: 23,2441 53754 VECSHIFT LXA,2 VSR*
029594,001545: 23,2442 02777 RTX2
029595,001546: 23,2443 57176 0,2
029596,001547: 23,2444 63350 LXA,1 PDVL
029597,001548: 23,2445 02776 RTX1
029598,001549: 23,2446 63257 VSR* PDVL
029599,001550: 23,2447 57176 0,2
029600,001551: 23,2450 77616 RVQ
029601,001552:
![]() |
Page 701 |
029603,001554: # SHIFTR1
029604,001555:
029605,001556: 23,2451 53754 SHIFTR1 LXA,2 SL*
029606,001557: 23,2452 02777 RTX2
029607,001558: 23,2453 57576 0,2
029608,001559: 23,2454 77616 RVQ
029609,001560:
![]() |
Page 702 |
029611,001562: # PROGRAM DESCRIPTION
029612,001563:
029613,001564: # SUBROUTINE NAME R36 OUT-OF-PLANE RENDEZVOUS ROUTINE
029614,001565: # MOD NO. 0 DATE 22 DECEMBER 67
029615,001566: # MOD BY N.M.NEVILLE LOG SECTION EXTENDED VERBS
029616,001567: # FUNCTIONAL DESCRIPTION
029617,001568:
029618,001569: # TO DISPLAY AT ASTRONAUT REQUEST LGC CALCULATED RENDEZVOUS
029619,001570: # OUT-OF-PLANE PARAMETERS (Y, YDOT, PSI). (REQUESTED BY DSKY).
029620,001571:
029621,001572: # CALLING SEQUENCE
029622,001573: # ASTRONAUT REQUEST THROUGH DSKY V 90 E
029623,001574:
029624,001575: # SUBROUTINES CALLED
029625,001576: # EXDSPRET
029626,001577: # GOMARKF
029627,001578: # CSMPREC
029628,001579: # LEMPREC
029629,001580: # SGNAGREE
029630,001581: # LOADTIME
029631,001582:
029632,001583: # NORMAL EXIT MODES
029633,001584: # ASTRONAUT REQUEST THROUGH DSKY TO TERMINATE PROGRAM V 34 E
029634,001585:
029635,001586: # ALARM OR ABORT EXIT MODES
029636,001587: # NONE
029637,001588:
029638,001589: # OUTPUT
029639,001590: # DECIMAL DISPLAY OF TIME, Y, YDOT AND PSI
029640,001591:
029641,001592: # DISPLAYED VALUES Y, YDOT, AND PSI, ARE STORED IN ERASABLE
029642,001593: # REGISTERS RANGE, RRATE AND RTHETA RESPECTIVELY.
029643,001594:
029644,001595: # ERASABLE INITIALIZATION REQUIRED
029645,001596: # CSM AND LEM STATE VECTORS
029646,001597:
029647,001598: # DEBRIS
029648,001599: # CENTRALS A,Q,L
029649,001600: # OTHER THOSE USED BY THE ABOVE LISTED SUBROUTINES
029650,001601:
029651,001602: 20,2115 BANK 20
029652,001603: 04,2000 SETLOC R36LM
029653,001604: 04,2000 BANK
![]() |
Page 703 |
029655,001606: 04,2642 E7,1441 EBANK= TIG
029656,001607: 04,2642 COUNT* $$/R36
029657,001608:
029658,001609: 04,2642 00006 R36 EXTEND
029659,001610: 04,2643 31442 DCA TIG # SET TIME-OF-EVENT TO TIG FOR NOMINAL
029660,001611: 04,2644 53051 DXCH DSPTEMX # DISPLAY
029661,001612: 04,2645 32755 CAF V06N16N
029662,001613: 04,2646 04616 TC BANKCALL
029663,001614: 04,2647 20334 CADR GOMARKF
029664,001615: 04,2650 15472 TCF ENDEXT # TERMINATE
029665,001616: 04,2651 12653 TCF +2 # PROCEED
029666,001617: 04,2652 12645 TCF -5 # RECYCLE FOR ASTRONAUT INPUT TIME
029667,001618: 04,2653 06042 TC INTPRET
029668,001619: 04,2654 53145 DLOAD BZE
029669,001620: 04,2655 01051 DSPTEMX
029670,001621: 04,2656 10752 GETNOW # ASTOR-LOADED ZERO, GET PRES TIME
029671,001622: 04,2657 34041 R36INT STCALL TDEC1
029672,001623: 04,2660 27042 OTHPREC
029673,001624: 04,2661 63375 VLOAD PDVL
029674,001625: 04,2662 00007 VATT
029675,001626: 04,2663 00001 RATT # -
029676,001627: 04,2664 02207 STORE RPASS36 # R
029677,001628: 04,2665 63256 UNIT PDVL # P
029678,001629: 04,2666 53435 VXV UNIT # -
029679,001630: 04,2667 77626 STADR
029680,001631: 04,2670 61562 STODL UNP36 # U
029681,001632: 04,2671 00015 TAT
029682,001633: 04,2672 34041 STCALL TDEC1
029683,001634: 04,2673 27056 THISPREC
029684,001635: 04,2674 63375 VLOAD PDVL # -
029685,001636: 04,2675 00007 VATT # VELOCITY VECTOR V 00D
029686,001637: 04,2676 00001 RATT # A
029687,001638: 04,2677 41406 PUSH PUSH # POSITION VECTOR R IN 06D AND 12D
029688,001639: 04,2700 63245 BVSU PDVL # A - -
029689,001640: 04,2701 02207 RPASS36 # LINE OF SIGHT VECTOR R - R 12D
029690,001641: 04,2702 72441 DOT SL1 # P A
029691,001642: 04,2703 02215 UNP36 # - -
029692,001643: 04,2704 26201 STOVL RANGE # Y = U . R
029693,001644: 04,2705 00001 00D # A
029694,001645: 04,2706 72441 DOT SL1
029695,001646: 04,2707 02215 UNP36 # . - -
029696,001647: 04,2710 26203 STOVL RRATE # Y = U . V
029697,001648: 04,2711 00007 06D # - A -
029698,001649: 04,2712 41456 UNIT PUSH # U = UNIT ( R ) 18D
029699,001650: 04,2713 47235 VXV VXV # RA A
029700,001651: 04,2714 00001 00D # - - - -
029701,001652: 04,2715 00023 18D # (U X V ) X U = U
029702,001653: 04,2716 53552 VSL2 UNIT # RA A RA A
029703,001654: 04,2717 77656 UNIT
029704,001655: 04,2720 24001 STOVL 00D # UNIT HORIZONTAL IN FORWARD DIR. 00D
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Page 704 |
029706,001657: 04,2721 00023 18D
029707,001658: 04,2722 74241 DOT VXSC # -
029708,001659: 04,2723 00015 12D # U
029709,001660: 04,2724 77752 VSL2 # L
029710,001661: 04,2725 53445 BVSU UNIT
029711,001662: 04,2726 77656 UNIT
029712,001663: 04,2727 50206 PUSH DOT # LOS PROJECTED INTO HORIZONTAL 12D
029713,001664: 04,2730 00001 00D # PLANE
029714,001665: 04,2731 65552 SL1 ARCCOS # - -
029715,001666: 04,2732 26205 STOVL RTHETA # PSI = ARCCOS(U . U )
029716,001667: 04,2733 50235 VXV DOT # A L
029717,001668: 04,2734 00001 00D
029718,001669: 04,2735 71244 BPL DLOAD
029719,001670: 04,2736 10743 R36TAG2
029720,001671: 04,2737 24020 LODPMAX
029721,001672: 04,2740 77625 DSU
029722,001673: 04,2741 02205 RTHETA
029723,001674: 04,2742 02205 STORE RTHETA
029724,001675: 04,2743 77776 R36TAG2 EXIT
029725,001676: 04,2744 32756 CAF V06N90N # DISPLAY Y, YDOT, AND PSI
029726,001677: 04,2745 04616 TC BANKCALL
029727,001678: 04,2746 20334 CADR GOMARKF
029728,001679: 04,2747 15472 TCF ENDEXT # TERMINATE
029729,001680: 04,2750 15472 TCF ENDEXT # PROCEED, END OF PROGRAM
029730,001681: 04,2751 12642 TCF R36 # RECYCLE, TIG OR ASTRO-OPTION
029731,001682: 04,2752 52034 GETNOW RTB GOTO # ASTRO-SELECTED PRESENT TIME
029732,001683: 04,2753 21574 LOADTIME
029733,001684: 04,2754 10657 R36INT
029734,001685: 04,2755 01420 V06N16N VN 00616
029735,001686: 04,2756 01532 V06N90N VN 00690
End of include-file P34-P35,_P74-P75.agc. Parent file is MAIN.agc