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. |
028060,000002: ## Copyright: Public domain.
028061,000003: ## Filename: P34-35_P74-75.agc
028062,000004: ## Purpose: A section of Luminary 1C, revision 131.
028063,000005: ## It is part of the source code for the Lunar Module's (LM)
028064,000006: ## Apollo Guidance Computer (AGC) for Apollo 13.
028065,000007: ## This file is intended to be a faithful transcription, except
028066,000008: ## that the code format has been changed to conform to the
028067,000009: ## requirements of the yaYUL assembler rather than the
028068,000010: ## original YUL assembler.
028069,000011: ## Reference: pp. 660-704
028070,000012: ## Contact: Ron Burkey <info@sandroid.org>.
028071,000013: ## Website: www.ibiblio.org/apollo
028072,000014: ## Mod history: 05/22/03 RSB. Began transcribing.
028073,000015: ## 2010-10-25 JL Added missing # in comments.
028074,000016: ## 2011-05-07 JL Removed workaround.
028075,000017: ## 2017-01-06 RSB Page numbers now agree with those on the
028076,000018: ## original harcopy, as opposed to the PDF page
028077,000019: ## numbers in 1701.pdf.
028078,000020: ## 2017-01-28 RSB Back-ported some comment fixes I noticed while
028079,000021: ## proofing Luminary 69.
028080,000022: ## 2017-01-28 RSB Back-ported some comment fixes I noticed while
028081,000023: ## proofing Artemis 72.
028082,000024: ## 2017-02-24 RSB Proofed comment text using octopus/ProoferComments.
028083,000025: ## 2017-02-28 RSB Fixed lingering typos.
028084,000026: ## 2017-03-09 RSB Fixed VNP00H to VNPOOH.
028085,000027: ## 2017-03-09 RSB Comment-text fixes noted in proofing Luminary 116.
028086,000028: ## 2017-03-16 RSB Comment-text fixes identified in 5-way
028087,000029: ## side-by-side diff of Luminary 69/99/116/131/210.
028088,000030:
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Page 660 |
028090,000032: # TRANSFER PHASE INITIATION (TPI) PROGRAMS (P34 AND P74)
028091,000033: # MOD NO -1 LOG SECTION - P32-P35, P72-P75
028092,000034: # MOD BY WHITE.P DATE 1 JUNE 67
028093,000035:
028094,000036: # PURPOSE
028095,000037: # (1) TO CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL CONDITIONS
028096,000038: # REQUIRED BY THE ACTIVE VEHICLE FOR EXECUTION OF THE TRANSFER
028097,000039: # PHASE INITIATION (TPI) MANEUVER, GIVEN -
028098,000040: # (A) TIME OF IGNITION TIG (TPI) OR THE ELEVATION ANGLE (E) OF
028099,000041: # THE ACTIVE/PASSIVE VEHICLE LOS AT TIG (TPI).
028100,000042: # (B) CENTRAL ANGLE OF TRANSFER (CENTANG) FROM TIG (TPI) TO
028101,000043: # INTERCEPT TIME (TIG (TPF)).
028102,000044: # (2) TO CALCULATE TIG (TPI) GIVEN E OR E GIVEN TIG (TPI).
028103,000045: # (3) TO CALCULATE THESE PARAMETERS BASED UPON MANEUVER DATA
028104,000046: # APPROVED AND KEYED INTO THE DSKY BY THE ASTRONAUT.
028105,000047: # (4) TO DISPLAY TO THE ASTRONAUT AND THE GROUND CERTAIN DEPENDENT
028106,000048: # VARIABLES ASSOCIATED WITH THE MANEUVER FOR APPROVAL BY THE
028107,000049: # ASTRONAUT/GROUND.
028108,000050: # (5) TO STORE THE TPI TARGET PARAMETERS FOR USE BY THE DESIRED
028109,000051: # THRUSTING PROGRAM.
028110,000052:
028111,000053: # ASSUMPTIONS
028112,000054: # (1) LM ONLY - THIS PROGRAM IS BASED UPON PREVIOUS COMPLETION OF
028113,000055: # THE CONSTANT DELTA ALTITUDE (CDH) PROGRAM (P33/P73).
028114,000056: # THEREFORE -
028115,000057: # (A) AT A SELECTED TPI TIME (NOW IN STORAGE) THE LINE OF SIGHT
028116,000058: # BETWEEN THE ACTIVE AND PASSIVE VEHICLES WAS SELECTED TO BE
028117,000059: # A PRESCRIBED ANGLE (E) (NOW IN STORAGE) FROM THE
028118,000060: # HORIZONTAL PLANE DEFINED BY THE ACTIVE VEHICLE POSITION.
028119,000061: # (B) THE TIME BETWEEN CDH IGNITION AND TPI IGNITION WAS
028120,000062: # COMPUTED TO BE GREATER THAN 10 MINUTES.
028121,000063: # (C) THE VARIATION OF THE ALTITUDE DIFFERENCE BETWEEN THE
028122,000064: # ORBITS WAS MINIMIZED.
028123,000065: # (D) THE PERICENTER ALTITUDES OF ORBITS FOLLOWING CSI AND
028124,000066: # CDH WERE COMPUTED TO BE GREATER THAN 35,000 FT FOR LUNAR
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Page 661 |
028126,000068: # ORBIT OR 85 NM FOR EARTH ORBIT.
028127,000069: # (E) THE CSI AND CDH MANEUVERS WERE ASSUMED TO BE PARALLEL TO
028128,000070: # THE PLANE OF THE PASSIVE VEHICLE ORBIT. HOWEVER, CREW
028129,000071: # MODIFICATION OF DELTA V (LV) COMPONENTS MAY HAVE RESULTED
028130,000072: # IN AN OUT-OF-PLANE MANEUVER.
028131,000073: # (2) STATE VECTOR UPDATED BY P27 ARE DISALLOWED DURING AUTOMATIC
028132,000074: # STATE VECTOR UPDATING INITIATED BY P20 (SEE ASSUMPTION (4)).
028133,000075: # (3) THIS PROGRAM MUST BE DONE OVER A TRACKING STATION FOR REAL
028134,000076: # TIME GROUND PARTICIPATION IN DATA INPUT AND OUTPUT. COMPUTED
028135,000077: # VARIABLES MAY BE STORED FOR LATER VERIFICATION BY THE GROUND.
028136,000078: # THESE STORAGE CAPABILITIES ARE LIMITED ONLY TO THE PARAMETERS
028137,000079: # FOR ONE THRUSTING MANEUVER AT A TIME EXCEPT FOR CONCENTRIC
028138,000080: # FLIGHT PLAN MANEUVER SEQUENCES.
028139,000081: # (4) THE RENDEZVOUS RADAR MAY OR MAY NOT BE USED TO UPDATE THE LM
028140,000082: # OR CSM STATE VECTORS FOR THIS PROGRAM. IF RADAR USE IS
028141,000083: # DESIRED THE RADAR WAS TURNED ON AND LOCKED ON THE CSM BY
028142,000084: # PREVIOUS SELECTION OF P20. RADAR SIGHTING MARKS WILL BE MADE
028143,000085: # AUTOMATICALLY APPROXIMATELY ONCE A MINUTE WHEN ENABLED BY THE
028144,000086: # TRACK AND UPDATE FLAGS (SEE P20). THE RENDEZVOUS TRACKING
028145,000087: # MARK COUNTER IS ZEROED BY THE SELECTION OF P20 AND AFTER EACH
028146,000088: # THRUSTING MANEUVER.
028147,000089: # (5) THE ISS NEED NOT BE ON TO COMPLETE THIS PROGRAM.
028148,000090: # (6) THE OPERATION OF THE PROGRAM UTILIZES THE FOLLOWING FLAGS -
028149,000091:
028150,000092: # ACTIVE VEHICLE FLAG - DESIGNATES THE VEHICLE WHICH IS
028151,000093: # DOING RENDEZVOUS THRUSTING MANEUVERS TO THE PROGRAM WHICH
028152,000094: # CALCULATES THE MANEUVER PARAMETERS. SET AT THE START OF
028153,000095: # EACH RENDEZVOUS PRE-THRUSTING PROGRAM.
028154,000096:
028155,000097: # FINAL FLAG - SELECTS FINAL PROGRAM DISPLAYS AFTER CREW HAS
028156,000098: # SELECTED THE FINAL MANEUVER COMPUTATION CYCLE.
028157,000099:
028158,000100: # EXTERNAL DELTA V FLAG - DESIGNATES THE TYPE OF STEERING
028159,000101: # REQUIRED FOR EXECUTION OF THIS MANEUVER BY THE THRUSTING
028160,000102: # PROGRAM SELECTED AFTER COMPLETION OF THIS PROGRAM.
028161,000103:
028162,000104: # (7) ONCE THE PARAMETWRS REQUIRED FOR COMPUTION OF THE MANEUVER
028163,000105: # HAVE BEEN COMPLETELY SPECIFIED, THE VALUE OF THE ACTIVE
028164,000106: # VEHICLE CENTRAL ANGLE OF TRANSFER IS COMPUTED AND STORED.
028165,000107: # THIS NUMBER WILL BE AVAILABLE FOR DISPLAY TO THE ASTRONAUT
028166,000108: # THROUGH THE USE OF V06N52.
028167,000109:
028168,000110: # THE ASTRONAUT WILL CALL THIS DISPLAY TO VERIFY THAT THE
028169,000111: # CENTRAL ANGLE OF TRANSFER OF THE ACTIVE VEHICLE IS NOT WITHIN
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Page 662 |
028171,000113: # 170 TO 190 DEGREES. IF THE ANGLE IS WITHIN THIS ZONE THE
028172,000114: # ASTRONAUT SHOULD REASSESS THE INPUT TARGETING PARAMETERS BASED
028173,000115: # UPON DELTA V AND EXPECTED MANEUVER TIME.
028174,000116: # (8) THIS PROGRAM IS SELECTED BY THE ASTRONAUT BY DSKY ENTRY -
028175,000117:
028176,000118: # P34 IF THIS VEHICLE IS ACTIVE VEHICLE.
028177,000119:
028178,000120: # P74 IF THIS VEHICLE IS PASSIVE VEHICLE.
028179,000121:
028180,000122: # INPUT
028181,000123: # (1) TTPI TIME OF THE TPI MANEUVER
028182,000124: # (2) ELEV DESIRED LOS ANGLE AT TPI
028183,000125: # (3) CENTANG ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE DURING
028184,000126: # TRANSFER FROM TPI TO TIME OF INTERCEPT
028185,000127:
028186,000128: # OUTPUT
028187,000129: # (1) TRKMKCNT NUMBER OF MARKS
028188,000130: # (2) TTOGO TIME TO GO
028189,000131: # (3) +MGA MIDDLE GIMBAL ANGLE
028190,000132: # (4) TTPI COMPUTED TIME OF TPI MANEUVER
028191,000133: # OR
028192,000134: # ELEV COMPUTED LOS ANGLE AT TPI
028193,000135: # (5) POSTTPI PERIGEE ALTITUDE AFTER THE TPI MANEUVER
028194,000136: # (6) DELVTPI MAGNITUDE OF DELTA V AT TPI
028195,000137: # (7) DELVTPF MAGNITUDE OF DELTA V AT INTERCEPT
028196,000138: # (8) DVLOS DELTA VELOCITY AT TPI - LINE OF SIGHT
028197,000139: # (9) DELVLVC DELTA VELOCITY AT TPI - LOCAL VERTICAL COORDINATES
028198,000140:
028199,000141: # DOWNLINK
028200,000142: # (1) TTPI TIME OF THE TPI MANEUVER
028201,000143: # (2) TIG TIME OF THE TPI MANEUVER
028202,000144: # (3) ELEV DESIRED LOS ANGLE AT TPI
028203,000145: # (4) CENTANG ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE DURING
028204,000146: # TRANSFER FROM TPI TO TIME OF INTERCEPT
028205,000147: # (5) DELVEET3 DELTA VELOCITY AT TPI - REFERENCE COORDINATES
028206,000148: # (6) TPASS4 TIME OF INTERCEPT
028207,000149:
028208,000150: # COMMUNICATION TO THRUSTING PROGRAMS
028209,000151: # (1) TIG TIME OF THE TPI MANEUVER
028210,000152: # (2) RTARG OFFSET TARGET POSITION
028211,000153: # (3) TPASS4 TIME OF INTERCEPT
028212,000154: # (4) XDELVFLG RESET TO INDICATE LAMBERT (AIMPOINT) VG COMPUTATION
028213,000155:
028214,000156: # SUBROUTINES USED
028215,000157: # AVFLAGA
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Page 663 |
028217,000159: # AVFLAGP
028218,000160: # VNPOOH
028219,000161: # DISPLAYE
028220,000162: # SELECTMU
028221,000163: # PRECSET
028222,000164: # S33/34.1
028223,000165: # ALARM
028224,000166: # BANKCALL
028225,000167: # GOFLASH
028226,000168: # GOTOPOOH
028227,000169: # TIMETHET
028228,000170: # S34/35.2
028229,000171: # PERIAPO1
028230,000172: # SHIFTR1
028231,000173: # S34/35.5
028232,000174: # VN1645
028233,000175:
028234,000176: 35,2000 SETLOC CSI/CDH
028235,000177: 35,2000 BANK
028236,000178: 35,2455 E7,1470 EBANK= SUBEXIT
028237,000179: 35,2455 COUNT* $$/P3474
028238,000180: 35,2455 02354 P34 TC AVFLAGA
028239,000181: 35,2456 02460 TC P34/P74A
028240,000182: 35,2457 02361 P74 TC AVFLAGP
028241,000183: 35,2460 02366 P34/P74A TC P20FLGON # SET UPDATFLG, TRACKFLG
028242,000184: 35,2461 33632 CAF V06N37 # TTPI
028243,000185: 35,2462 03621 TC VNPOOH
028244,000186: 35,2463 00006 EXTEND
028245,000187: 35,2464 33655 DCA 130DEG
028246,000188: 35,2465 53621 DXCH CENTANG
028247,000189: 35,2466 32424 CAF P30ZERO
028248,000190: 35,2467 55466 TS NN
028249,000191: 35,2470 03603 TC DISPLAYE # ELEV AND CENTANG
028250,000192: 35,2471 06042 TC INTPRET
028251,000193: 35,2472 71214 CLEAR DLOAD
028252,000194: 35,2473 01270 ETPIFLAG
028253,000195: 35,2474 03636 TTPI
028254,000196: 35,2475 17442 STODL TIG
028255,000197: 35,2476 02257 ELEV
028256,000198: 35,2477 43054 BZE SET
028257,000199: 35,2500 72502 P34/P74B
028258,000200: 35,2501 01070 ETPIFLAG
028259,000201: 35,2502 77624 P34/P74B CALL
028260,000202: 35,2503 20000 SELECTMU
028261,000203: 35,2504 DELELO EQUALS 26D
028262,000204: 35,2504 43145 P34/P74C DLOAD SET
028263,000205: 35,2505 06524 ZEROVECS
028264,000206: 35,2506 03460 ITSWICH
028265,000207: 35,2507 43014 BON CLEAR
028266,000208: 35,2510 01310 ETPIFLAG
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Page 664 |
028268,000210: 35,2511 72513 SWCHSET
028269,000211: 35,2512 03660 ITSWICH
028270,000212: 35,2513 02317 SWCHSET STORE NOMTPI
028271,000213: 35,2514 43345 INTLOOP DLOAD DAD
028272,000214: 35,2515 03636 TTPI
028273,000215: 35,2516 02317 NOMTPI
028274,000216: 35,2517 34041 STCALL TDEC1
028275,000217: 35,2520 46403 PRECSET
028276,000218: 35,2521 77624 CALL
028277,000219: 35,2522 72674 S33/34.1
028278,000220: 35,2523 77454 BZE EXIT
028279,000221: 35,2524 72535 SWCHCLR
028280,000222: 35,2525 05567 TC ALARM
028281,000223: 35,2526 00611 OCT 611
028282,000224: 35,2527 35006 CAF V05N09
028283,000225: 35,2530 04616 TC BANKCALL
028284,000226: 35,2531 20477 CADR GOFLASH
028285,000227: 35,2532 06001 TC GOTOPOOH
028286,000228: 35,2533 02460 TC P34/P74A # PROCEED
028287,000229: 35,2534 02525 TC -7 # V32
028288,000230:
028289,000231: 35,2535 43014 SWCHCLR BONCLR BON
028290,000232: 35,2536 03600 ITSWICH
028291,000233: 35,2537 72514 INTLOOP
028292,000234: 35,2540 01310 ETPIFLAG
028293,000235: 35,2541 72545 P34/P74D # DISPLAY TTPI
028294,000236: 35,2542 77776 EXIT
028295,000237: 35,2543 03603 TC DISPLAYE # DISPLAY ELEV AND CENTANG
028296,000238: 35,2544 02550 TC P34/P74E
028297,000239: 35,2545 77776 P34/P74D EXIT
028298,000240: 35,2546 33632 CAF V06N37 # TTPI
028299,000241: 35,2547 03621 TC VNPOOH
028300,000242: 35,2550 06042 P34/P74E TC INTPRET
028301,000243: 35,2551 71201 SETPD DLOAD
028302,000244: 35,2552 00001 0D
028303,000245: 35,2553 02777 RTX1
028304,000246: 35,2554 14047 STODL X1
028305,000247: 35,2555 03621 CENTANG
028306,000248: 35,2556 71406 PUSH COS
028307,000249: 35,2557 16732 STODL CSTH
028308,000250: 35,2560 77756 SIN
028309,000251: 35,2561 26730 STOVL SNTH
028310,000252: 35,2562 03552 RPASS3
028311,000253: 35,2563 77657 VSR*
028312,000254: 35,2564 57176 0,2
028313,000255: 35,2565 26655 STOVL RVEC
028314,000256: 35,2566 03560 VPASS3
028315,000257: 35,2567 43057 VSR* SET
028316,000258: 35,2570 57176 0,2
028317,000259: 35,2571 03466 RVSW
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Page 665 |
028319,000261: 35,2572 36744 STCALL VVEC
028320,000262: 35,2573 24732 TIMETHET
028321,000263: 35,2574 77745 DLOAD
028322,000264: 35,2575 03636 TTPI
028323,000265: 35,2576 03610 STORE INTIME # FOR INITVEL
028324,000266: 35,2577 77615 DAD
028325,000267: 35,2600 00037 T # RENDEZVOUS TIME
028326,000268: 35,2601 37631 STCALL TPASS4 # FOR INITVEL
028327,000269: 35,2602 73216 S34/35.2
028328,000270: 35,2603 51575 VLOAD ABVAL
028329,000271: 35,2604 02366 DELVEET3
028330,000272: 35,2605 27576 STOVL DELVTPI
028331,000273: 35,2606 03506 VPASS4
028332,000274: 35,2607 51451 VSU ABVAL
028333,000275: 35,2610 03566 VTPRIME
028334,000276: 35,2611 26350 STOVL DELVTPF
028335,000277: 35,2612 03536 RACT3
028336,000278: 35,2613 45115 PDVL CALL
028337,000279: 35,2614 02337 VIPRIME
028338,000280: 35,2615 46341 PERIAPO1
028339,000281: 35,2616 77624 CALL
028340,000282: 35,2617 46451 SHIFTR1
028341,000283: 35,2620 17606 STODL POSTTPI
028342,000284: 35,2621 03636 TTPI
028343,000285: 35,2622 03442 STORE TIG
028344,000286: 35,2623 77776 EXIT
028345,000287: 35,2624 33634 CAF V06N58
028346,000288: 35,2625 03621 TC VNPOOH
028347,000289: 35,2626 06042 TC INTPRET
028348,000290: 35,2627 77624 CALL
028349,000291: 35,2630 73432 S34/35.5
028350,000292: 35,2631 77624 CALL
028351,000293: 35,2632 73515 VN1645
028352,000294: 35,2633 77650 GOTO
028353,000295: 35,2634 72504 P34/P74C
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Page 666 |
028355,000297: # RENDEZVOUS MID-COURSE MANEUVER PROGRAMS (P35 AND P75)
028356,000298: # MOD NO -1 LOG SECTION - P32-P35, P72-P75
028357,000299: # MOD BY WHITE.P DATE 1 JUNE 67
028358,000300:
028359,000301: # PURPOSE
028360,000302: # (1) TO CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL CONDITIONS
028361,000303: # REQUIRED BY THE ACTIVE VEHICLE FOR EXECUTION OF THE NEXT
028362,000304: # MIDCOURSE CORRECTION OF THE TRANSFER PHASE OF AN ACTIVE
028363,000305: # VEHICLE RENDEZVOUS.
028364,000306: # (2) TO DISPLAY TO THE ASTRONAUT AND THE GROUND CERTAIN DEPENDENT
028365,000307: # VARIABLES ASSOCIATED WITH THE MANEUVER FOR APPROVAL BY THE
028366,000308: # ASTRONAUT/GROUND.
028367,000309: # (3) TO STORE THE TPM TARGET PARAMETERS FOR USE BY THE DESIRED
028368,000310: # THRUSTING PROGRAM.
028369,000311:
028370,000312: # ASSUMPTIONS
028371,000313: # (1) THE ISS NEED NOT BE ON TO COMPLETE THIS PROGRAM.
028372,000314: # (2) STATE VECTOR UPDATES BY P27 ARE DISALLOWED DURING AUTOMATIC
028373,000315: # STATE VECTOR UPDATING INITIATED BY P20 (SEE ASSUMPTION (3)).
028374,000316: # (3) THE RENDEZVOUS RADAR IS ON AND IS LOCKED ON THE CSM. THIS WAS
028375,000317: # DONE DURING PREVIOUS SELECTION OF P20. RADAR SIGHTING MARKS
028376,000318: # WILL BE MADE AUTOMATICALLY APPROXIMATELY ONCE A MINUTE WHEN
028377,000319: # ENABLED BY THE TRACK AND UPDATE FLAGS (SEE P20). THE
028378,000320: # RENDEZVOUS TRACKING MARK COUNTER IS ZEROED BY THE SELECTION OF
028379,000321: # P20 AND AFTER EACH THRUSTING MANEUVER.
028380,000322: # (4) THE OPERATION OF THE PROGRAM UTILIZES THE FOLLOWING FLAGS -
028381,000323:
028382,000324: # ACTIVE VEHICLE FLAG - DESIGNATES THE VEHICLE WHICH IS
028383,000325: # DOING RENDEZVOUS THRUSTING MANEUVERS TO THE PROGRAM WHICH
028384,000326: # CALCULATES THE MANEUVER PARAMETERS. SET AT THE START OF
028385,000327: # EACH RENDEZVOUS PRE-THRUSTING PROGRAM.
028386,000328:
028387,000329: # FINAL FLAG - SELECTS FINAL PROGRAM DISPLAYS AFTER CREW HAS
028388,000330: # SELECTED THE FINAL MANEUVER COMPUTATION CYCLE.
028389,000331:
028390,000332: # EXTERNAL DELTA V FLAG - DESIGNATES THE TYPE OF STEERING
028391,000333: # REQUIRED FOR EXECUTION OF THIS MANEUVER BY THE THRUSTING
028392,000334: # PROGRAM SELECTED AFTER COMPLETION OF THIS PROGRAM.
028393,000335:
028394,000336: # (5) THE TIME OF INTERCEPT (T(INT)) WAS DEFINED BY PREVIOUS
028395,000337: # COMPLETION OF THE TRANSFER PHASE INITIATION (TPI) PROGRAM
028396,000338: # (P34/P74) AND IS PRESENTLY AVAILABLE IN STORAGE.
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Page 667 |
028398,000340: # (6) ONCE THE PARAMETERS REQUIRED FOR COMPUTION OF THE MANEUVER
028399,000341: # HAVE BEEN COMPLETELY SPECIFIED, THE VALUE OF THE ACTIVE
028400,000342: # VEHICLE CENTRAL ANGLE OF TRANSFER IS COMPUTED AND STORED.
028401,000343: # THIS NUMBER WILL BE AVAILABLE FOR DISPLAY TO THE ASTRONAUT
028402,000344: # THROUGH THE USE OF V06N52.
028403,000345:
028404,000346: # THE ASTRONAUT WILL CALL THIS DISPLAY TO VERIFY THAT THE
028405,000347: # CENTRAL ANGLE OF TRANSFER OF THE ACTIVE VEHICLE IS NOT WITHIN
028406,000348: # 170 TO 190 DEGREES. IF THE ANGLE IS WITHIN THIS ZONE THE
028407,000349: # ASTRONAUT SHOULD REASSESS THE INPUT TARGETING PARAMETERS BASED
028408,000350: # UPON DELTA V AND EXPECTED MANEUVER TIME.
028409,000351: # (7) THIS PROGRAM IS SELECTED BY THE ASTRONAUT BY DSKY ENTRY -
028410,000352:
028411,000353: # P35 IF THIS VEHICLE IS ACTIVE VEHICLE.
028412,000354:
028413,000355: # P75 IF THIS VEHICLE IS PASSIVE VEHICLE.
028414,000356:
028415,000357: # INPUT
028416,000358: # (1) TPASS4 TIME OF INTERCEPT - SAVED FROM P34/P74
028417,000359:
028418,000360: # OUTPUT
028419,000361: # (1) TRKMKCNT NUMBER OF MARKS
028420,000362: # (2) TTOGO TIME TO GO
028421,000363: # (3) +MGA MIDDLE GIMBAL ANGLE
028422,000364: # (4) DVLOS DELTA VELOCITY AT MID - LINE OF SIGHT
028423,000365: # (5) DELVLVC DELTA VELOCITY AT MID - LOCAL VERTICAL COORDINATES
028424,000366:
028425,000367: # DOWNLINK
028426,000368: # (1) TIG TIME OF THE TPM MANEUVER
028427,000369: # (2) DELVEET3 DELTA VELOCITY AT TPM - REFERENCE COORDINATES
028428,000370: # (3) TPASS4 TIME OF INTERCEPT
028429,000371:
028430,000372: # COMMUNICATION TO THRUSTING PROGRAMS
028431,000373: # (1) TIG TIME OF THE TPM MANEUVER
028432,000374: # (2) RTARG OFFSET TARGET POSITION
028433,000375: # (3) TPASS4 TIME OF INTERCEPT
028434,000376: # (4) XDELVFLG RESET TO INDICATE LAMBERT (AIMPOINT) VG COMPUTATION
028435,000377:
028436,000378: # SUBROUTINES USED
028437,000379: # AVFLAGA
028438,000380: # AVFLAGP
028439,000381: # LOADTIME
028440,000382: # SELECTMU
028441,000383: # PRECSET
028442,000384: # S34/35.1
028443,000385: # S34/35.2
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Page 668 |
028445,000387: # S34/35.5
028446,000388: # VN1645
028447,000389:
028448,000390: 35,2635 COUNT* $$/P3575
028449,000391: 35,2635 E7,1575 EBANK= KT
028450,000392:
028451,000393: 35,2635 02354 P35 TC AVFLAGA
028452,000394: 35,2636 00006 EXTEND
028453,000395: 35,2637 31401 DCA ATIGINC
028454,000396: 35,2640 02644 TC P35/P75A
028455,000397: 35,2641 02361 P75 TC AVFLAGP
028456,000398: 35,2642 00006 EXTEND
028457,000399: 35,2643 31403 DCA PTIGINC
028458,000400: 35,2644 53576 P35/P75A DXCH KT
028459,000401: 35,2645 02366 TC P20FLGON # SET UPDATFLG, TRACKFLG
028460,000402: 35,2646 06042 TC INTPRET
028461,000403: 35,2647 77624 CALL
028462,000404: 35,2650 20000 SELECTMU
028463,000405: 35,2651 77634 P35/P75B RTB
028464,000406: 35,2652 21574 LOADTIME
028465,000407: 35,2653 03612 STORE TSTRT
028466,000408: 35,2654 77615 DAD
028467,000409: 35,2655 03576 KT
028468,000410: 35,2656 03442 STORE TIG
028469,000411: 35,2657 03610 STORE INTIME # FOR INITVEL
028470,000412: 35,2660 34041 STCALL TDEC1
028471,000413: 35,2661 46403 PRECSET # ADVANCE BOTH VEHICLES
028472,000414: 35,2662 77624 CALL
028473,000415: 35,2663 73204 S34/35.1 # GET NORM AND LOS FOR TRANSFORM
028474,000416: 35,2664 77624 CALL
028475,000417: 35,2665 73216 S34/35.2 # GET DELTA V(LV)
028476,000418: 35,2666 77624 CALL
028477,000419: 35,2667 73432 S34/35.5
028478,000420: 35,2670 77624 CALL
028479,000421: 35,2671 73515 VN1645
028480,000422: 35,2672 77650 GOTO
028481,000423: 35,2673 72651 P35/P75B
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Page 669 |
028483,000425: # ..... S33/34.1 .....
028484,000426:
028485,000427: 35,2674 66220 S33/34.1 STQ SSP
028486,000428: 35,2675 03463 NORMEX
028487,000429: 35,2676 03614 TITER
028488,000430: 35,2677 40000 OCT 40000
028489,000431: 35,2700 40345 DLOAD SETPD
028490,000432: 35,2701 33643 MAX250
028491,000433: 35,2702 00001 0D
028492,000434: 35,2703 27574 STOVL SECMAX
028493,000435: 35,2704 03536 RACT3
028494,000436: 35,2705 27500 STOVL RAPREC
028495,000437: 35,2706 03544 VACT3
028496,000438: 35,2707 27506 STOVL VAPREC
028497,000439: 35,2710 03552 RPASS3
028498,000440: 35,2711 27522 STOVL RPPREC
028499,000441: 35,2712 03560 VPASS3
028500,000442: 35,2713 03530 STORE VPPREC
028501,000443: 35,2714 77624 ELCALC CALL
028502,000444: 35,2715 73204 S34/35.1 # NORMAL AND LOS
028503,000445: 35,2716 63235 VXV PDVL
028504,000446: 35,2717 03536 RACT3 # (RA*VA)*RA 0D
028505,000447: 35,2720 53515 PDVL UNIT # ULOS AT 6D
028506,000448: 35,2721 03536 RACT3
028507,000449: 35,2722 46315 PDVL VPROJ # XCHNJ AND UP
028508,000450: 35,2723 51352 VSL2 BVSU
028509,000451: 35,2724 02311 ULOS
028510,000452: 35,2725 63256 UNIT PDVL # UP AT 0D
028511,000453: 35,2726 63241 DOT PDVL # UP.UN*RA AT 0D
028512,000454: 35,2727 00001 0D # UP IN MPAC
028513,000455: 35,2730 75241 DOT SIGN
028514,000456: 35,2731 02311 ULOS
028515,000457: 35,2732 65552 SL1 ACOS
028516,000458: 35,2733 50315 PDVL DOT # EA AT 0D
028517,000459: 35,2734 02311 ULOS
028518,000460: 35,2735 03536 RACT3
028519,000461: 35,2736 71244 BPL DLOAD
028520,000462: 35,2737 72742 TESTY
028521,000463: 35,2740 06532 DPPOSMAX
028522,000464: 35,2741 41425 DSU PUSH
028523,000465: 35,2742 71214 TESTY BOFF DLOAD
028524,000466: 35,2743 03740 ITSWICH
028525,000467: 35,2744 73171 ELEX
028526,000468: 35,2745 03576 DELEL
028527,000469: 35,2746 14033 STODL DELELO
028528,000470: 35,2747 77625 DSU
028529,000471: 35,2750 02257 ELEV
028530,000472: 35,2751 03576 STORE DELEL
028531,000473: 35,2752 45246 ABS DSU
028532,000474: 35,2753 33647 ELEPS
![]() |
Page 670 |
028534,000476: 35,2754 77640 BMN
028535,000477: 35,2755 73201 TIMEX # COMMERCIALS EVERYWHERE
028536,000478: 35,2756 70535 FIGTIME SLOAD SR1
028537,000479: 35,2757 03614 TITER
028538,000480: 35,2760 72030 BHIZ LXA,1
028539,000481: 35,2761 03463 NORMEX # TOO MANY ITERATIONS
028540,000482: 35,2762 00154 MPAC
028541,000483: 35,2763 77330 SXA,1 VLOAD
028542,000484: 35,2764 03613 TITER
028543,000485: 35,2765 03552 RPASS3
028544,000486: 35,2766 65256 UNIT PDDL
028545,000487: 35,2767 00045 36D
028546,000488: 35,2770 53515 PDVL UNIT
028547,000489: 35,2771 03536 RACT3
028548,000490: 35,2772 77725 PDDL
028549,000491: 35,2773 41525 PDDL PUSH
028550,000492: 35,2774 00045 36D
028551,000493: 35,2775 77621 BDSU
028552,000494: 35,2776 00015 12D
028553,000495: 35,2777 14037 STODL 30D # RP-RA MAGNITUDES
028554,000496: 35,3000 06522 DPHALF
028555,000497: 35,3001 41425 DSU PUSH
028556,000498: 35,3002 02257 ELEV
028557,000499: 35,3003 50165 SIGN BMN
028558,000500: 35,3004 00037 30D
028559,000501: 35,3005 03463 NORMEX
028560,000502: 35,3006 71545 DLOAD COS
028561,000503: 35,3007 56205 DMP DDV
028562,000504: 35,3010 00017 14D
028563,000505: 35,3011 00015 12D
028564,000506: 35,3012 77676 DCOMP # SINCE COS(180-A)=-COS A
028565,000507: 35,3013 00035 STORE 28D
028566,000508: 35,3014 44246 ABS BDSU
028567,000509: 35,3015 06522 DPHALF
028568,000510: 35,3016 77240 BMN VLOAD
028569,000511: 35,3017 03463 NORMEX
028570,000512: 35,3020 02261 UNRM
028571,000513: 35,3021 53435 VXV UNIT
028572,000514: 35,3022 00007 6D # UN*RA
028573,000515: 35,3023 41241 DOT DMP
028574,000516: 35,3024 03544 VACT3
028575,000517: 35,3025 00015 12D
028576,000518: 35,3026 47315 PDVL VXV
028577,000519: 35,3027 00001 0D
028578,000520: 35,3030 03560 VPASS3
028579,000521: 35,3031 53435 VXV UNIT
028580,000522: 35,3032 00001 0D # (RP*VP)*RP
028581,000523: 35,3033 41241 DOT DMP
028582,000524: 35,3034 03560 VPASS3
028583,000525: 35,3035 00017 14D
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Page 671 |
028585,000527: 35,3036 77621 BDSU
028586,000528: 35,3037 63301 NORM PDVL # NORMALIZED WA-WP 12D
028587,000529: 35,3040 00047 X1
028588,000530: 35,3041 00007 6D
028589,000531: 35,3042 50235 VXV DOT
028590,000532: 35,3043 00001 0D
028591,000533: 35,3044 02261 UNRM # RA*RP.UN 14D
028592,000534: 35,3045 50315 PDVL DOT
028593,000535: 35,3046 00001 0D
028594,000536: 35,3047 00007 6D
028595,000537: 35,3050 65552 SL1 ACOS
028596,000538: 35,3051 77765 SIGN
028597,000539: 35,3052 43225 DSU DAD # ALPHA PI
028598,000540: 35,3053 06522 DPHALF
028599,000541: 35,3054 02257 ELEV
028600,000542: 35,3055 65525 PDDL ACOS
028601,000543: 35,3056 00035 28D
028602,000544: 35,3057 75221 BDSU SIGN
028603,000545: 35,3060 06522 DPHALF
028604,000546: 35,3061 00037 30D # CONTAINS RP-RA
028605,000547: 35,3062 77615 DAD
028606,000548: 35,3063 56205 DMP DDV
028607,000549: 35,3064 33641 TWOPI
028608,000550: 35,3065 77605 DMP
028609,000551: 35,3066 41257 SL* DMP
028610,000552: 35,3067 20176 0 -3,1
028611,000553: 35,3070 51406 PUSH ABS
028612,000554: 35,3071 50025 DSU BMN
028613,000555: 35,3072 03574 SECMAX
028614,000556: 35,3073 73077 OKMAX
028615,000557: 35,3074 75345 DLOAD SIGN # REPLACE TIME WITH MAX TIME SIGNED
028616,000558: 35,3075 03574 SECMAX
028617,000559: 35,3076 77606 PUSH
028618,000560: 35,3077 51135 OKMAX SLOAD BPL # TEST FIRST ITERATION
028619,000561: 35,3100 03614 TITER
028620,000562: 35,3101 73107 REPETE
028621,000563: 35,3102 71331 SSP DLOAD
028622,000564: 35,3103 03614 TITER
028623,000565: 35,3104 37777 OCT 37777
028624,000566: 35,3105 77650 GOTO
028625,000567: 35,3106 73145 STORDELT
028626,000568: 35,3107 41345 REPETE DLOAD DMP
028627,000569: 35,3110 03576 DELEL
028628,000570: 35,3111 00033 DELELO
028629,000571: 35,3112 71244 BPL DLOAD
028630,000572: 35,3113 73123 NEXTES
028631,000573: 35,3114 03574 SECMAX
028632,000574: 35,3115 77605 DMP
028633,000575: 35,3116 33645 THIRD
028634,000576: 35,3117 17574 STODL SECMAX
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Page 672 |
028636,000578: 35,3120 70446 ABS SR1 # CROSSED OVER SOLUTION
028637,000579: 35,3121 52076 DCOMP GOTO # DT=(-SIGN(DTO)//DT//)/2
028638,000580: 35,3122 73133 RESIGN
028639,000581: 35,3123 51545 NEXTES DLOAD ABS
028640,000582: 35,3124 03576 DELEL
028641,000583: 35,3125 51525 PDDL ABS
028642,000584: 35,3126 00033 DELELO
028643,000585: 35,3127 77625 DSU
028644,000586: 35,3130 71240 BMN DLOAD
028645,000587: 35,3131 73136 REVERS # WRONG DIRECTION
028646,000588: 35,3132 77646 ABS
028647,000589: 35,3133 52165 RESIGN SIGN GOTO
028648,000590: 35,3134 03606 DELTEEO
028649,000591: 35,3135 73145 STORDELT
028650,000592: 35,3136 57545 REVERS DLOAD DCOMP
028651,000593: 35,3137 03606 DELTEEO
028652,000594: 35,3140 70406 PUSH SR1
028653,000595: 35,3141 03606 STORE DELTEEO
028654,000596: 35,3142 77615 DAD
028655,000597: 35,3143 77650 GOTO
028656,000598: 35,3144 73146 ADTIME
028657,000599: 35,3145 03606 STORDELT STORE DELTEEO
028658,000600: 35,3146 77615 ADTIME DAD
028659,000601: 35,3147 02317 NOMTPI # SUM OF DELTA T:S
028660,000602: 35,3150 02317 STORE NOMTPI
028661,000603: 35,3151 63375 VLOAD PDVL
028662,000604: 35,3152 03506 VAPREC
028663,000605: 35,3153 03500 RAPREC
028664,000606: 35,3154 77624 CALL
028665,000607: 35,3155 73372 GOINT
028666,000608: 35,3156 77624 CALL
028667,000609: 35,3157 46425 ACTIVE # STORE NEW RACT3 VACT3
028668,000610: 35,3160 63375 VLOAD PDVL
028669,000611: 35,3161 03530 VPPREC
028670,000612: 35,3162 03522 RPPREC
028671,000613: 35,3163 77624 CALL
028672,000614: 35,3164 73372 GOINT
028673,000615: 35,3165 77624 CALL
028674,000616: 35,3166 46435 PASSIVE # STORE NEW RPASS3 VPASS3
028675,000617: 35,3167 77650 GOTO
028676,000618: 35,3170 72714 ELCALC
028677,000619: 35,3171 43345 ELEX DLOAD DAD
028678,000620: 35,3172 03636 TTPI
028679,000621: 35,3173 02317 NOMTPI
028680,000622: 35,3174 17636 STODL TTPI
028681,000623: 35,3175 77614 BON
028682,000624: 35,3176 01310 ETPIFLAG
028683,000625: 35,3177 73201 TIMEX
028684,000626: 35,3200 02257 STORE ELEV
028685,000627: 35,3201 52145 TIMEX DLOAD GOTO
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Page 673 |
028687,000629: 35,3202 06524 ZEROVECS
028688,000630: 35,3203 03463 NORMEX
028689,000631:
![]() |
Page 674 |
028691,000633: # ..... S34/35.1 .....
028692,000634:
028693,000635: # COMPUTE UNIT NORMAL AND LINE OF SIGHT VECTORS GIVEN THE ACTIVE AND
028694,000636: # PASSIVE POS AND VEL AT TIME T3
028695,000637:
028696,000638: 35,3204 52375 S34/35.1 VLOAD VSU
028697,000639: 35,3205 03552 RPASS3
028698,000640: 35,3206 03536 RACT3
028699,000641: 35,3207 41456 UNIT PUSH
028700,000642: 35,3210 26311 STOVL ULOS
028701,000643: 35,3211 03536 RACT3
028702,000644: 35,3212 53435 VXV UNIT
028703,000645: 35,3213 03544 VACT3
028704,000646: 35,3214 02261 STORE UNRM
028705,000647: 35,3215 77616 RVQ
028706,000648:
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Page 675 |
028708,000650: # ..... S34/35.2 .....
028709,000651:
028710,000652: # ADVANCE PASSIVE VEH TO RENDEZVOUS TIME AND GET REQ VEL FROM LAMBERT
028711,000653:
028712,000654: 35,3216 77220 S34/35.2 STQ VLOAD
028713,000655: 35,3217 03470 SUBEXIT
028714,000656: 35,3220 03560 VPASS3
028715,000657: 35,3221 65315 PDVL PDDL
028716,000658: 35,3222 03552 RPASS3
028717,000659: 35,3223 03610 INTIME
028718,000660: 35,3224 65325 PDDL PDDL
028719,000661: 35,3225 03631 TPASS4
028720,000662: 35,3226 33641 TWOPI # CONIC
028721,000663: 35,3227 46125 PDDL BHIZ
028722,000664: 35,3230 03467 NN
028723,000665: 35,3231 73235 S3435.23
028724,000666: 35,3232 77745 DLOAD
028725,000667: 35,3233 41545 DLOAD PUSH
028726,000668: 35,3234 06524 ZEROVECS # PRECISION
028727,000669: 35,3235 77624 S3435.23 CALL
028728,000670: 35,3236 73376 INTINT # GET TARGET VECTOR
028729,000671: 35,3237 27444 S3435.25 STOVL RTARG
028730,000672: 35,3240 00007 VATT
028731,000673: 35,3241 27506 STOVL VPASS4
028732,000674: 35,3242 03444 RTARG
028733,000675: # COMPUTE PHI = PI + (ACOS(UNIT RA.UNIT RP) - PI) SIGN(RA*RP.U)
028734,000676: 35,3243 63256 UNIT PDVL # UNIT RP
028735,000677: 35,3244 03536 RACT3
028736,000678: 35,3245 41456 UNIT PUSH # UNIT RA
028737,000679: 35,3246 50235 VXV DOT
028738,000680: 35,3247 00001 0D
028739,000681: 35,3250 02261 UNRM # RA*RP.U
028740,000682: 35,3251 77715 PDVL
028741,000683: 35,3252 72441 DOT SL1 # UNIT RA.UNIT RP
028742,000684: 35,3253 00001 0D
028743,000685: 35,3254 75326 ACOS SIGN
028744,000686: 35,3255 43244 BPL DAD
028745,000687: 35,3256 73260 NOPIE
028746,000688: 35,3257 06532 DPPOSMAX # REASONABLE TWO PI
028747,000689: 35,3260 15756 NOPIE STODL ACTCENT
028748,000690: 35,3261 03631 TPASS4
028749,000691: 35,3262 77625 DSU
028750,000692: 35,3263 03610 INTIME
028751,000693: 35,3264 03452 STORE DELLT4
028752,000694: 35,3265 40335 SLOAD SETPD
028753,000695: 35,3266 03467 NN # NUMBER OF OFFSETS
028754,000696: 35,3267 00001 0D
028755,000697: 35,3270 63325 PDDL PDVL
028756,000698: 35,3271 33653 EPSFOUR
028757,000699: 35,3272 03536 RACT3
028758,000700: 35,3273 26323 STOVL RINIT
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Page 676 |
028760,000702: 35,3274 03544 VACT3
028761,000703: 35,3275 36331 STCALL VINIT
028762,000704: 35,3276 22000 INITVEL
028763,000705: 35,3277 77624 CALL
028764,000706: 35,3300 73357 LOMAT
028765,000707: 35,3301 64375 VLOAD MXV
028766,000708: 35,3302 02366 DELVEET3
028767,000709: 35,3303 00001 0D
028768,000710: 35,3304 77772 VSL1
028769,000711: 35,3305 37434 STCALL DELVLVC
028770,000712: 35,3306 03470 SUBEXIT
028771,000713:
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Page 677 |
028773,000715: # ..... S34/35.3 .....
028774,000716:
028775,000717: 35,3307 45020 S34/35.3 STQ CALL
028776,000718: 35,3310 03463 NORMEX
028777,000719: 35,3311 73357 LOMAT # GET MATRIX IN PUSH LIST
028778,000720: 35,3312 61375 VLOAD VXM
028779,000721: 35,3313 03434 DELVLVC # NEW DEL V TPI
028780,000722: 35,3314 00001 0D
028781,000723: 35,3315 77772 VSL1
028782,000724: 35,3316 02366 STORE DELVEET3 # SAVE FOR TRANSFORM
028783,000725: 35,3317 63255 VAD PDVL
028784,000726: 35,3320 03544 VACT3 # NEW V REQ
028785,000727: 35,3321 03536 RACT3
028786,000728: 35,3322 65325 PDDL PDDL
028787,000729: 35,3323 03442 TIG
028788,000730: 35,3324 03631 TPASS4
028789,000731: 35,3325 41525 PDDL PUSH
028790,000732: 35,3326 06532 DPPOSMAX
028791,000733: 35,3327 77624 CALL # INTEG. FOR NEW TARGET VEC
028792,000734: 35,3330 73376 INTINT
028793,000735: 35,3331 77775 VLOAD
028794,000736: 35,3332 00001 RATT
028795,000737: 35,3333 03444 STORE RTARG
028796,000738: 35,3334 41575 NOVRWRT VLOAD PUSH
028797,000739: 35,3335 02311 ULOS
028798,000740: 35,3336 57435 VXV VCOMP
028799,000741: 35,3337 02261 UNRM
028800,000742: 35,3340 41456 UNIT PUSH
028801,000743: 35,3341 76435 VXV VSL1
028802,000744: 35,3342 02311 ULOS
028803,000745: 35,3343 77715 PDVL
028804,000746: 35,3344 64315 PDVL MXV
028805,000747: 35,3345 02366 DELVEET3
028806,000748: 35,3346 00001 0D
028807,000749: 35,3347 77772 VSL1
028808,000750: 35,3350 36303 STCALL DVLOS
028809,000751: 35,3351 03463 NORMEX
028810,000752:
![]() |
Page 678 |
028812,000754: # ..... S34/35.4 .....
028813,000755:
028814,000756: 35,3352 40220 S34/35.4 STQ SETPD # NO ASTRONAUT OVERWRITE
028815,000757: 35,3353 03463 NORMEX
028816,000758: 35,3354 00001 0D
028817,000759: 35,3355 77650 GOTO
028818,000760: 35,3356 73334 NOVRWRT
028819,000761:
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Page 679 |
028821,000763: # ..... LOMAT .....
028822,000764:
028823,000765: 35,3357 57575 LOMAT VLOAD VCOMP
028824,000766: 35,3360 02261 UNRM
028825,000767: 35,3361 24007 STOVL 6D # Y
028826,000768: 35,3362 03536 RACT3
028827,000769: 35,3363 57456 UNIT VCOMP
028828,000770: 35,3364 00015 STORE 12D
028829,000771: 35,3365 76435 VXV VSL1
028830,000772: 35,3366 02261 UNRM # Z*-Y
028831,000773: 35,3367 00001 STORE 0D
028832,000774: 35,3370 43401 SETPD RVQ
028833,000775: 35,3371 00023 18D
028834,000776: 35,3372 65325 GOINT PDDL PDDL # DO
028835,000777: 35,3373 06524 ZEROVECS # NOT
028836,000778: 35,3374 02317 NOMTPI
028837,000779: 35,3375 41406 PUSH PUSH # ORDER OR INSERT BEFORE INTINT
028838,000780: 35,3376 45020 INTINT STQ CALL
028839,000781: 35,3377 03465 RTRN
028840,000782: 35,3400 27410 INTSTALL
028841,000783: 35,3401 71214 CLEAR DLOAD
028842,000784: 35,3402 01673 INTYPFLG
028843,000785: 35,3403 43054 BZE SET
028844,000786: 35,3404 73406 +2
028845,000787: 35,3405 01473 INTYPFLG
028846,000788: 35,3406 45545 DLOAD STADR
028847,000789: 35,3407 63736 STODL TDEC1
028848,000790: 35,3410 73014 SET LXA,2
028849,000791: 35,3411 00063 MOONFLAG
028850,000792: 35,3412 02777 RTX2
028851,000793: 35,3413 43014 BON CLEAR
028852,000794: 35,3414 04303 CMOONFLG
028853,000795: 35,3415 73417 ALLSET
028854,000796: 35,3416 00263 MOONFLAG
028855,000797: 35,3417 25517 ALLSET STOVL TET
028856,000798: 35,3420 77657 VSR*
028857,000799: 35,3421 57176 0,2
028858,000800: 35,3422 25535 STOVL RCV
028859,000801: 35,3423 77657 VSR*
028860,000802: 35,3424 57176 0,2
028861,000803: 35,3425 35543 STCALL VCV
028862,000804: 35,3426 27106 INTEGRVS
028863,000805: 35,3427 52175 VLOAD GOTO
028864,000806: 35,3430 00001 RATT
028865,000807: 35,3431 03465 RTRN
028866,000808:
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Page 680 |
028868,000810: # ..... S34/35.5 .....
028869,000811:
028870,000812: # SUBROUTINES USED
028871,000813: # BANKCALL
028872,000814: # GOFLASH
028873,000815: # GOTOPOOH
028874,000816: # S34/35.3
028875,000817: # S34/35.4
028876,000818: # VNPOOH
028877,000819:
028878,000820: 35,3432 43020 S34/35.5 STQ BON
028879,000821: 35,3433 03470 SUBEXIT
028880,000822: 35,3434 01311 FINALFLG
028881,000823: 35,3435 73441 FLAGON
028882,000824: 35,3436 52014 SET GOTO
028883,000825: 35,3437 00470 UPDATFLG
028884,000826: 35,3440 73505 FLAGOFF
028885,000827: 35,3441 77214 FLAGON CLEAR VLOAD
028886,000828: 35,3442 03274 NTARGFLG
028887,000829: 35,3443 03434 DELVLVC
028888,000830: 35,3444 01236 STORE GDT/2
028889,000831: 35,3445 77776 EXIT
028890,000832: 35,3446 33636 +5 CAF V06N81
028891,000833: 35,3447 04616 TC BANKCALL
028892,000834: 35,3450 20477 CADR GOFLASH
028893,000835: 35,3451 06001 TC GOTOPOOH
028894,000836: 35,3452 03454 TC +2 # PRO
028895,000837: 35,3453 03446 TC FLAGON +5 # LOAD
028896,000838: 35,3454 35016 +2 CA EBANK7
028897,000839: 35,3455 54003 TS EBANK # TO BE SURE
028898,000840:
028899,000841: 35,3456 22007 ZL
028900,000842: 35,3457 34756 CA FIVE
028901,000843: 35,3460 54002 NTARGCHK TS Q
028902,000844: 35,3461 50002 INDEX Q
028903,000845: 35,3462 41433 CS DELVLVC
028904,000846: 35,3463 50002 INDEX Q
028905,000847: 35,3464 61235 AD GDT/2
028906,000848: 35,3465 26001 ADS L
028907,000849: 35,3466 10002 CCS Q
028908,000850: 35,3467 13460 TCF NTARGCHK
028909,000851: 35,3470 22000 LXCH A
028910,000852: 35,3471 00006 EXTEND
028911,000853: 35,3472 13475 BZF +3
028912,000854: 35,3473 05504 TC UPFLAG
028913,000855: 35,3474 00146 ADRES NTARGFLG
028914,000856:
028915,000857: 35,3475 06042 TC INTPRET
028916,000858: 35,3476 45014 BOFF CALL
028917,000859: 35,3477 03354 NTARGFLG
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Page 681 |
028919,000861: 35,3500 73502 NOCHG
028920,000862: 35,3501 73307 S34/35.3
028921,000863: 35,3502 77775 NOCHG VLOAD
028922,000864: 35,3503 02366 DELVEET3
028923,000865: 35,3504 03656 STORE DELVSIN
028924,000866: 35,3505 77624 FLAGOFF CALL
028925,000867: 35,3506 73352 S34/35.4
028926,000868: 35,3507 77776 EXIT
028927,000869: 35,3510 33635 CAF V06N59
028928,000870: 35,3511 03621 TC VNPOOH
028929,000871: 35,3512 06042 TC INTPRET
028930,000872: 35,3513 77650 GOTO
028931,000873: 35,3514 03470 SUBEXIT
028932,000874:
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Page 682 |
028934,000876: # ..... VN1645 .....
028935,000877:
028936,000878: # SUBROUTINES USED
028937,000879: # P3XORP7X
028938,000880: # GET+MGA
028939,000881: # BANKCALL
028940,000882: # DELAYJOB
028941,000883: # COMPTGO
028942,000884: # GOFLASHR
028943,000885: # GOTOPOOH
028944,000886: # FLAGUP
028945,000887:
028946,000888: 35,3515 71220 VN1645 STQ DLOAD
028947,000889: 35,3516 03470 SUBEXIT
028948,000890: 35,3517 33651 DP-.01
028949,000891: 35,3520 02253 STORE +MGA # MGA = -.01
028950,000892: 35,3521 71214 BOFF DLOAD
028951,000893: 35,3522 01351 FINALFLG
028952,000894: 35,3523 73543 GET45
028953,000895: 35,3524 33651 DP-.01
028954,000896: 35,3525 77615 DAD
028955,000897: 35,3526 33651 DP-.01
028956,000898: 35,3527 02253 STORE +MGA # MGA = -.02
028957,000899: 35,3530 77414 BOFF EXIT
028958,000900: 35,3531 01742 REFSMFLG
028959,000901: 35,3532 73543 GET45
028960,000902: 35,3533 03613 TC P3XORP7X
028961,000903: 35,3534 03536 TC +2 # P3X
028962,000904: 35,3535 03544 TC GET45 +1 # P7X
028963,000905: 35,3536 06042 TC INTPRET
028964,000906: 35,3537 41575 VLOAD PUSH
028965,000907: 35,3540 03656 DELVSIN
028966,000908: 35,3541 77624 CALL # COMPUTE MGA
028967,000909: 35,3542 15725 GET+MGA
028968,000910: 35,3543 77776 GET45 EXIT
028969,000911: 35,3544 02437 TC COMPTGO # INITIATE TASK TO UPDATE TTOGO
028970,000912: 35,3545 31470 CA SUBEXIT
028971,000913: 35,3546 55464 TS QSAVED
028972,000914: 35,3547 34777 CAF 1SEC
028973,000915: 35,3550 04616 TC BANKCALL
028974,000916: 35,3551 01736 CADR DELAYJOB
028975,000917: 35,3552 33637 CAF V16N45 # TRKMKCNT, TTOGO, +MGA
028976,000918: 35,3553 04616 TC BANKCALL
028977,000919: 35,3554 20477 CADR GOFLASH
028978,000920: 35,3555 03560 TC KILCLOCK # TERMINATE
028979,000921: 35,3556 03563 TC N45PROC # PROCEED
028980,000922: 35,3557 03573 TC CLUPDATE # RECYCLE - RETURN FOR INITIAL COMPUTATION
028981,000923: 35,3560 30005 KILCLOCK CA Z
028982,000924: 35,3561 55162 TS DISPDEX
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Page 683 |
028984,000926: 35,3562 06001 TC GOTOPOOH
028985,000927: 35,3563 40076 N45PROC CS FLAGWRD2
028986,000928: 35,3564 74746 MASK BIT6
028987,000929: 35,3565 00006 EXTEND
028988,000930: 35,3566 13560 BZF KILCLOCK # FINALFLG IS SET - FLASH V37 - AWAIT NEW PGM
028989,000931: 35,3567 05353 TC PHASCHNG
028990,000932: 35,3570 04024 OCT 04024
028991,000933: 35,3571 05504 TC UPFLAG # SET
028992,000934: 35,3572 00047 ADRES FINALFLG # FINALFLG
028993,000935: 35,3573 30005 CLUPDATE CA Z
028994,000936: 35,3574 55162 TS DISPDEX
028995,000937: 35,3575 05353 TC PHASCHNG
028996,000938: 35,3576 04024 OCT 04024
028997,000939: 35,3577 06042 TC INTPRET
028998,000940: 35,3600 52014 CLEAR GOTO
028999,000941: 35,3601 00670 UPDATFLG
029000,000942: 35,3602 03464 QSAVED
029001,000943:
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Page 684 |
029003,000945: # ..... DISPLAYE .....
029004,000946:
029005,000947: # SUBROUTINES USED
029006,000948: # BANKCALL
029007,000949: # GOFLASHR
029008,000950: # GOTOPOOH
029009,000951: # BLANKET
029010,000952: # ENDOFJOB
029011,000953:
029012,000954: 35,3603 00006 DISPLAYE EXTEND
029013,000955: 35,3604 23463 QXCH NORMEX
029014,000956: 35,3605 33633 CAF V06N55
029015,000957: 35,3606 04616 TCR BANKCALL
029016,000958: 35,3607 20477 CADR GOFLASH
029017,000959: 35,3610 16001 TCF GOTOPOOH
029018,000960: 35,3611 01463 TC NORMEX
029019,000961: 35,3612 13605 TCF -5
029020,000962:
![]() |
Page 685 |
029022,000964: # ..... P3XORP7X .....
029023,000965:
029024,000966: 35,3613 37747 P3XORP7X CAF HIGH9
029025,000967: 35,3614 71010 MASK MODREG
029026,000968: 35,3615 00006 EXTEND
029027,000969: 35,3616 13620 BZF +2
029028,000970: 35,3617 24002 INCR Q
029029,000971: 35,3620 00002 RETURN
029030,000972:
029031,000973: # ..... VNPOOH .....
029032,000974:
029033,000975: # SUBROUTINES USED
029034,000976: # BANKCALL
029035,000977: # GOFLASH
029036,000978: # GOTOPOOH
029037,000979:
029038,000980: 35,3621 00006 VNPOOH EXTEND
029039,000981: 35,3622 23465 QXCH RTRN
029040,000982: 35,3623 55615 TS VERBNOUN
029041,000983: 35,3624 31615 CA VERBNOUN
029042,000984: 35,3625 04616 TCR BANKCALL
029043,000985: 35,3626 20477 CADR GOFLASH
029044,000986: 35,3627 16001 TCF GOTOPOOH
029045,000987: 35,3630 01465 TC RTRN
029046,000988: 35,3631 13624 TCF -5
029047,000989:
![]() |
Page 686 |
029049,000991: # ..... CONSTANTS .....
029050,000992:
029051,000993: 35,3632 01445 V06N37 VN 0637
029052,000994: 35,3633 01467 V06N55 VN 0655
029053,000995: 35,3634 01472 V06N58 VN 0658
029054,000996: 35,3635 01473 V06N59 VN 0659
029055,000997: 35,3636 01521 V06N81 VN 0681
029056,000998: 35,3637 04055 V16N45 VN 1645
029057,000999: 35,3640 14441 37325 TWOPI 2DEC 6.283185307 B-4
029058,001000: 35,3642 00001 20650 MAX250 2DEC 25 E3
029059,001001: 35,3644 12525 12525 THIRD 2DEC .333333333
029060,001002: 35,3646 00004 21505 ELEPS 2DEC .27777777 E-3
029061,001003: 35,3650 77777 DP-.01 OCT 77777 # CONSTANTS
029062,001004: 35,3651 61337 OCT 61337 # ADJACENT -.01 FOR MGA DSP
029063,001005: 35,3652 01252 25253 EPSFOUR 2DEC .0416666666
029064,001006: 35,3654 13434 16162 130DEG 2DEC .3611111111
029065,001007:
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Page 687 |
029067,001009: # ..... INITVEL .....
029068,001010: # MOD NO -1 LOG SECTION - P34-P35, P74-P75
029069,001011: # MOD BY WHITE.P DATE 21 NOV 67
029070,001012:
029071,001013: # FUNCTIONAL DESCRIPTION
029072,001014: # THIS SUBROUTINE COMPUTES THE REQUIRED INITIAL VELOCITY VECTOR FOR
029073,001015: # A TRAJECTORY OF SPECIFIED TRANSFER TIME BETWEEN SPECIFIED INITIAL
029074,001016: # AND TARGET POSITIONS. THE TRAJECTORY MAY BE EITHER CONIC OR
029075,001017: # PRECISION DEPENDING ON AN INPUT PARAMETER (NAMELY, NUMBER OF
029076,001018: # OFFSETS). IN ADDITION, IN TH EPRECISION TRAJECTORY CASE, THE
029077,001019: # SUBROUTINE ALSO COMPUTES AN OFFSET TARGET VECTOR, TO BE USED
029078,001020: # DURING PURE-CONIC CROSS-PRODUCT STEERING. THE OFFSET TARGET
029079,001021: # VECTOR IS THE TERMINAL POSITION VECTOR OF A CONIC TRAJECTORY WHICH
029080,001022: # HAS THE SAME INITIAL STATE AS A PRECISION TRAJECTORY WHOSE
029081,001023: # TERMINAL POSITION VECTOR IS THE SPECIFIED TARGET VECTOR.
029082,001024:
029083,001025: # IN ORDER TO AVOID THE INHERENT SINGULARITIES IN THE 180 DEGREE
029084,001026: # TRANSFER CASE WHEN THE (TRUE OR OFFSET) TARGET VECTOR MAY BE
029085,001027: # SLIGHTLYOUT OF THE ORBITAL PLANE, THIS SUBROUTINE ROTATES THIS
029086,001028: # VECTOR INTO A PLANE DEFINED BY THE INPUT INITIAL POSITION VECTOR
029087,001029: # AND ANOTHER INPUT VECTOR (USUALLY THE INITIAL VELOCITY VECTOR),
029088,001030: # WHENEVER THE INPUT TARGET VECTOR LIES INSIDE A CONE WHOSE VERTEX
029089,001031: # IS THE ORIGIN OF COORDINATES, WHOSE AXIS IS THE 180 DEGREE
029090,001032: # TRANSFER DIRECTION, AND WHOSE CONE ANGLE IS SPECIFIED BY THE USER.
029091,001033:
029092,001034: # THE LAMBERT SUBROUTINE IS UTILIZED FOR THE CONIC COMPUTATIONS AND
029093,001035: # THE COASTING INTEGRATION SUBROUTINE IS UTILIZED FOR THE PRECISION
029094,001036: # TRAJECTORY COMPUTATIONS.
029095,001037:
029096,001038: # CALLING SEQUENCE
029097,001039: # L CALL
029098,001040: # L+1 INITVEL
029099,001041: # L+2 (RETURN - ALWAYS)
029100,001042:
029101,001043: # INPUT
029102,001044: # (1) RINIT INITIAL POSITION RADIUS VECTOR
029103,001045: # (2) VINIT INITIAL POSITION VELOCITY VECTOR
029104,001046: # (3) RTARG TARGET POSITION RADIUS VECTOR
029105,001047: # (4) DELLT4 DESIRED TIME OF FLIGHT FROM RINIT TO RTARG
029106,001048: # (5) INTIME TIME OF RINIT
029107,001049: # (6) 0D NUMBER OF ITERATIONS OF LAMBERT/INTEGRVS
029108,001050: # (7) 2D ANGLE TO 180 DEGREES WHEN ROTATION STARTS
029109,001051: # (8) RTX1 -2 FOR EARTH, -10D FOR LUNAR
029110,001052: # (9) RTX2 COORDINATE SYSTEM ORIGIN - 0 FOR EARTH, 2 FOR LUNAR
029111,001053: # PUSHLOC SET AT 4D
029112,001054:
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Page 688 |
029114,001056: # OUTPUT
029115,001057: # (1) RTARG OFFSET TARGET POSITION VECTOR
029116,001058: # (2) VIPRIME MANEUVER VELOCITY REQUIRED
029117,001059: # (3) VTPRIME VELOCITY AT TARGET AFTER MANEUVER
029118,001060: # (4) DELVEET3 DELTA VELOCITY REQUIRED FOR MANEUVER
029119,001061:
029120,001062: # SUBROUTINES USED
029121,001063: # LAMBERT
029122,001064: # INTSTALL
029123,001065: # INTEGRVS
029124,001066:
029125,001067: 11,2000 SETLOC INTVEL
029126,001068: 11,2000 BANK
029127,001069:
029128,001070: 11,2000 COUNT* $$/INITV
029129,001071: 11,2000 77614 INITVEL SET # COGA GUESS NOT AVAILABLE
029130,001072: 11,2001 00475 GUESSW
029131,001073: 11,2002 44175 HAVEGUES VLOAD STQ
029132,001074: 11,2003 03444 RTARG
029133,001075: 11,2004 03463 NORMEX
029134,001076: 11,2005 03472 STORE RTARG1
029135,001077: 11,2006 77646 ABVAL
029136,001078: 11,2007 03723 STORE RTMAG
029137,001079: 11,2010 46135 SLOAD BHIZ
029138,001080: 11,2011 03000 RTX2
029139,001081: 11,2012 22026 INITVEL1
029140,001082: 11,2013 72575 VLOAD VSL2
029141,001083: 11,2014 02323 RINIT # B29
029142,001084: 11,2015 26323 STOVL RINIT # B27
029143,001085: 11,2016 02331 VINIT # B7
029144,001086: 11,2017 77752 VSL2
029145,001087: 11,2020 26331 STOVL VINIT # B5
029146,001088: 11,2021 03472 RTARG1
029147,001089: 11,2022 77752 VSL2
029148,001090: 11,2023 03472 STORE RTARG1
029149,001091: 11,2024 77646 ABVAL
029150,001092: 11,2025 03723 STORE RTMAG
029151,001093:
029152,001094: # INITIALIZATION
029153,001095:
029154,001096: 11,2026 71331 INITVEL1 SSP DLOAD # SET ITCTR TO -1,LOAD MPAC WITH E4 (PL 2D)
029155,001097: 11,2027 03617 ITCTR
029156,001098: 11,2030 77776 0 -1
029157,001099: 11,2031 70546 COSINE SR1 # CALCULATE COSINE (E4) (+2)
029158,001100: 11,2032 17667 STODL COZY4 # SET COZY4 TO COSINE (E4) (PL 0D)
029159,001101: 11,2033 67154 LXA,2 SXA,2
029160,001102: 11,2034 00154 MPAC
029161,001103: 11,2035 02701 VTARGTAG # SET VTARGTAG TO 0D (SP)
029162,001104: 11,2036 77775 VLOAD
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Page 689 |
029164,001106: 11,2037 02323 RINIT
029165,001107: 11,2040 26655 STOVL R1VEC # R1VEC EQ RINIT
029166,001108: 11,2041 03472 RTARG1
029167,001109: 11,2042 16663 STODL R2VEC # R2VEC EQ RTARG
029168,001110: 11,2043 03452 DELLT4
029169,001111: 11,2044 02671 STORE TDESIRED # TDESIRED EQ DELLT4
029170,001112: 11,2045 77201 SETPD VLOAD
029171,001113: 11,2046 00001 0D # INITIALIZE PL TO 0D
029172,001114: 11,2047 02323 RINIT # MPAC EQ RINIT (+29)
029173,001115: 11,2050 41456 UNIT PUSH # UNIT(RI) (+1) (PL 6D)
029174,001116: 11,2051 53435 VXV UNIT
029175,001117: 11,2052 02331 VINIT # MPAC EQ UNIT(RI) X VI (+8)
029176,001118: 11,2053 26674 STOVL UN
029177,001119: 11,2054 03472 RTARG1
029178,001120: 11,2055 50256 UNIT DOT # TEMP=URT.URI (+2) (PL 0D)
029179,001121: 11,2056 43015 DAD CLEAR
029180,001122: 11,2057 03667 COZY4
029181,001123: 11,2060 03665 NORMSW
029182,001124: 11,2061 03667 STORE COZY4
029183,001125: 11,2062 43044 INITVEL2 BPL SET
029184,001126: 11,2063 22105 INITVEL3 # UN CALCULATED IN LAMBERT
029185,001127: 11,2064 03465 NORMSW
029186,001128:
029187,001129: # ROTATE RC INTO YC PLANE - SET UNIT NORMAL TO YC
029188,001130:
029189,001131: 11,2065 41575 VLOAD PUSH # (PL 6D)
029190,001132: 11,2066 02663 R2VEC # RC TO 6D (+29)
029191,001133: 11,2067 63246 ABVAL PDVL # RC TO MPAC, ABVAL(RC) (+29) TO OD(PL 2D)
029192,001134: 11,2070 46206 PUSH VPROJ # (PL 8D)
029193,001135: 11,2071 02674 UN
029194,001136: 11,2072 51352 VSL2 BVSU
029195,001137: 11,2073 74256 UNIT VXSC # (PL 0D)
029196,001138: 11,2074 77772 VSL1
029197,001139: 11,2075 02663 STORE R2VEC
029198,001140: 11,2076 67351 TLOAD SLOAD
029199,001141: 11,2077 24007 ZEROVEC
029200,001142: 11,2100 03617 ITCTR
029201,001143: 11,2101 77244 BPL VLOAD
029202,001144: 11,2102 22105 INITVEL3
029203,001145: 11,2103 02663 R2VEC
029204,001146: 11,2104 03472 STORE RTARG1
029205,001147: 11,2105 63345 INITVEL3 DLOAD PDVL # (PL 2D)
029206,001148: 11,2106 26007 MUEARTH # POSITIVE VALUE
029207,001149: 11,2107 02663 R2VEC
029208,001150: 11,2110 63256 UNIT PDVL # 2D = UNIT(R2VEC) (PL 8D)
029209,001151: 11,2111 02655 R1VEC
029210,001152: 11,2112 41456 UNIT PUSH # 8D = UNIT(R1VEC) (PL 14D)
029211,001153: 11,2113 57435 VXV VCOMP # -N = UNIT(R2VEC) X UNIT(R1VEC)
029212,001154: 11,2114 00003 2D
029213,001155: 11,2115 77606 PUSH # (PL 20D)
029214,001156: 11,2116 71350 LXA,1 DLOAD
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Page 690 |
029216,001158: 11,2117 02776 RTX1
029217,001159: 11,2120 00023 18D
029218,001160: 11,2121 62040 BMN INCR,1
029219,001161: 11,2122 22124 +2
029220,001162: 11,2123 77767 DEC -8 B-14
029221,001163: 11,2124 67310 INCR,1 SLOAD
029222,001164: 11,2125 00012 10D
029223,001165: 11,2126 00047 X1
029224,001166: 11,2127 77230 BHIZ VLOAD # (PL 14D)
029225,001167: 11,2130 22132 +2
029226,001168: 11,2131 41476 VCOMP PUSH # (PL 20 D)
029227,001169: 11,2132 77775 VLOAD # (PL 14D)
029228,001170: 11,2133 50235 VXV DOT # (PL 2D)
029229,001171: 11,2134 71244 BPL DLOAD # (PL 0D)
029230,001172: 11,2135 22137 INITVEL4
029231,001173: 11,2136 41476 DCOMP PUSH # (PL 2D)
029232,001174: 11,2137 67154 INITVEL4 LXA,2 SXA,2
029233,001175: 11,2140 00000 0D
029234,001176: 11,2141 02672 GEOMSGN
029235,001177:
029236,001178: # SET INPUTS UP FOR LAMBERT
029237,001179:
029238,001180: 11,2142 66350 LXA,1 SSP
029239,001181: 11,2143 02776 RTX1
029240,001182: 11,2144 00027 ITERCTR
029241,001183: 11,2145 00024 20D
029242,001184:
029243,001185: # OPERATE THE LAMBERT CONIC ROUTINE (COASTFLT SUBROUTINE)
029244,001186:
029245,001187: 11,2146 77624 CALL
029246,001188: 11,2147 25212 LAMBERT
029247,001189:
029248,001190: # ARRIVED AT SOLUTION IS GOOD ENOUGH ACCORDING TO SLIGHTLY WIDER BOUNDS.
029249,001191:
029250,001192: 11,2150 77214 CLEAR VLOAD
029251,001193: 11,2151 00675 GUESSW
029252,001194: 11,2152 02744 VVEC
029253,001195:
029254,001196: # STORE CALCULATED INITIAL VELOCITY REQUIRED IN VIPRIME
029255,001197:
029256,001198: 11,2153 16337 STODL VIPRIME # INITIAL VELOCITY REQUIRED (+7)
029257,001199:
029258,001200: # IF NUMIT IS ZERO, CONTINUE AT INITVELB, OTHERWISE
029259,001201: # SET UP INPUTS FOR ENCKE INTEGRATION (INTEGRVS).
029260,001202:
029261,001203: 11,2154 02702 VTARGTAG
029262,001204: 11,2155 45030 BHIZ CALL
029263,001205: 11,2156 22233 INITVEL7
029264,001206: 11,2157 27410 INTSTALL
029265,001207: 11,2160 43135 SLOAD CLEAR
029266,001208: 11,2161 03000 RTX2
029267,001209: 11,2162 00263 MOONFLAG
029268,001210: 11,2163 43030 BHIZ SET
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Page 691 |
029270,001212: 11,2164 22166 INITVEL5
029271,001213: 11,2165 00063 MOONFLAG
029272,001214: 11,2166 77775 INITVEL5 VLOAD
029273,001215: 11,2167 02323 RINIT
029274,001216: 11,2170 02655 STORE R1VEC
029275,001217: 11,2171 25535 STOVL RCV
029276,001218: 11,2172 02337 VIPRIME
029277,001219: 11,2173 15543 STODL VCV
029278,001220: 11,2174 03610 INTIME
029279,001221: 11,2175 01517 STORE TET
029280,001222: 11,2176 43015 DAD CLEAR
029281,001223: 11,2177 03452 DELLT4
029282,001224: 11,2200 01673 INTYPFLG
029283,001225: 11,2201 34041 STCALL TDEC1
029284,001226: 11,2202 27106 INTEGRVS
029285,001227: 11,2203 77775 VLOAD
029286,001228: 11,2204 00025 VATT1
029287,001229: 11,2205 02703 STORE VTARGET
029288,001230:
029289,001231: # IF ITERATION COUNTER (ITCTR) EQ NO. ITERATIONS (NUMIT), CONTINUE AT
029290,001232: # INITVELC, OTHERWISE REITERATE LAMBERT AND ENCKE
029291,001233:
029292,001234: 11,2206 63154 LXA,2 INCR,2
029293,001235: 11,2207 03616 ITCTR
029294,001236: 11,2210 00001 1D # INCREMENT ITCTR
029295,001237: 11,2211 55134 SXA,2 XSU,2
029296,001238: 11,2212 03616 ITCTR
029297,001239: 11,2213 02701 VTARGTAG
029298,001240: 11,2214 46135 SLOAD BHIZ # IF SP(MPAC) EQ 0, CONTINUE AT INITVELC
029299,001241: 11,2215 00050 X2
029300,001242: 11,2216 22230 INITVEL6
029301,001243:
029302,001244: # OFFSET CONIC TARGET VECTOR
029303,001245:
029304,001246: 11,2217 52375 VLOAD VSU
029305,001247: 11,2220 03472 RTARG1
029306,001248: 11,2221 00017 RATT1
029307,001249: 11,2222 77655 VAD
029308,001250: 11,2223 02663 R2VEC
029309,001251: 11,2224 16663 STODL R2VEC
029310,001252: 11,2225 03667 COZY4
029311,001253: 11,2226 77650 GOTO
029312,001254: 11,2227 22062 INITVEL2 # CONTINUE ITERATING AT INITVEL2
029313,001255:
029314,001256: # COMPUTE THE DELTA VELOCITY
029315,001257:
029316,001258: 11,2230 77775 INITVEL6 VLOAD
029317,001259: 11,2231 02663 R2VEC
029318,001260: 11,2232 03472 STORE RTARG1
029319,001261: 11,2233 52375 INITVEL7 VLOAD VSU
029320,001262: 11,2234 02337 VIPRIME
029321,001263: 11,2235 02331 VINIT
![]() |
Page 692 |
029323,001265: 11,2236 26366 STOVL DELVEET3 # DELVEET3 = VIPRIME-VINIT (+7)
029324,001266: 11,2237 02703 VTARGET
029325,001267: 11,2240 03566 STORE VTPRIME
029326,001268: 11,2241 46135 SLOAD BHIZ
029327,001269: 11,2242 03000 RTX2
029328,001270: 11,2243 22260 INITVELX
029329,001271: 11,2244 70575 VLOAD VSR2
029330,001272: 11,2245 03566 VTPRIME
029331,001273: 11,2246 27566 STOVL VTPRIME
029332,001274: 11,2247 02337 VIPRIME
029333,001275: 11,2250 77742 VSR2
029334,001276: 11,2251 26337 STOVL VIPRIME
029335,001277: 11,2252 03472 RTARG1
029336,001278: 11,2253 77742 VSR2
029337,001279: 11,2254 27472 STOVL RTARG1
029338,001280: 11,2255 02366 DELVEET3
029339,001281: 11,2256 77742 VSR2
029340,001282: 11,2257 02366 STORE DELVEET3
029341,001283: 11,2260 70750 INITVELX LXA,1 DLOAD*
029342,001284: 11,2261 02776 RTX1
029343,001285: 11,2262 10003 MUTABLE -2,1
029344,001286: 11,2263 41206 PUSH DMP
029345,001287: 11,2264 02742 R1A
029346,001288: 11,2265 56342 SR1 DDV
029347,001289: 11,2266 00041 R1
029348,001290: 11,2267 17721 STODL MU/A
029349,001291: 11,2270 77661 SR
029350,001292: 11,2271 20607 6
029351,001293: 11,2272 03717 STORE MUASTEER
029352,001294: 11,2273 77201 SETPD VLOAD
029353,001295: 11,2274 00001 0D
029354,001296: 11,2275 03472 RTARG1
029355,001297: 11,2276 03444 STORE RTARG
029356,001298: 11,2277 52014 CLEAR GOTO
029357,001299: 11,2300 01267 XDELVFLG
029358,001300: 11,2301 03463 NORMEX
029359,001301:
029360,001302: # ..... END OF INITVEL ROUTINE .....
029361,001303:
![]() |
Page 693 |
029363,001305: # ..... MIDGIM .....
029364,001306: # MOD NO. 0, BY WILLMAN, SUBROUTINE RENDGUID, LOG P34-P35, P74-P75
029365,001307: # REVISION 03, 17 FEB 67
029366,001308:
029367,001309: # IF THE ACTIVE VEHICLE IS DOING THE COMPUTATION, MIDGIM COMPUTES
029368,001310: # THE POSITIVE MIDDLE GIMBAL ANGLE OF THE ACTIVE VEHICLE TO THE INPUT
029369,001311: # DELTA VELOCITY VECTOR (0D IN PUSH LIST), OTHERWISE
029370,001312: # MIDGIM CONVERTS THE INPUT DELTA VELOCITY VECTOR FROM INERTIAL COORDIN-
029371,001313: # ATES TO LOCAL VERTICAL COORDINATES OF THE ACTIVE VEHICLE.
029372,001314:
029373,001315: # .. INPUTS ..
029374,001316: # NAME MEANING UNITS/SCALING/MODE
029375,001317: # AVFLAG INT FLAG - 0 IS CSM ACTIVE, 1 IS LEM ACTIVE BIT
029376,001318: # RINIT ACTIVE VEHICLE RADIUS VECTOR METERS/CSEC (+7) VT
029377,001319: # VINIT ACTIVE VEHICLE VELOCITY VECTOR METERS/CSEC (+7) VT
029378,001320: # 0D(PL) ACTIVE VEHICLE DELTA VELOCITY VECTOR METERS/CSEC (+7) VT
029379,001321:
029380,001322: # .. OUTPUTS ..
029381,001323: # NAME MEANING UNITS/SCALING/MODE
029382,001324: # +MGA + MIDDLE GIMBAL ANGLE REVOLUTIONS (+0) DP
029383,001325: # DELVLVC DELTA VELOCITY VECTOR IN LV COORD. METERS/CSEC (+7) VT
029384,001326: # MGLVFLAG INT FLAG - 0 IS +MGA COMPUTED, 1 IS DELVLVC COMP. - BIT
029385,001327:
029386,001328: # .. CALLING SEQUENCE ..
029387,001329: # L CALL
029388,001330: # L+1 MIDGIM
029389,001331: # L+2 (RETURN - ALWAYS)
029390,001332:
029391,001333: # .. NO SUBROUTINES CALLED ..
029392,001334:
029393,001335: # .. DEBRIS - ERASEABLE TEMPORARY USAGE
029394,001336: # A,Q,L, PUSH LIST, MPAC.
029395,001337:
029396,001338: # .. ALARMS - NONE ..
029397,001339:
![]() |
Page 694 |
029399,001341: # MIDDLE GIMBAL ANGLE COMPUTATION.
029400,001342:
029401,001343: 06,2000 SETLOC MIDDGIM
029402,001344: 06,2000 BANK
029403,001345:
029404,001346: 06,3723 COUNT* $$/MIDG
029405,001347:
029406,001348: 06,3723 20000 00000 HALFREV 2DEC 1 B-1
029407,001349:
029408,001350: 06,3725 53575 GET+MGA VLOAD UNIT # (PL 0D) V (+7) TO MPAC, UNITIZE UV (+1)
029409,001351: 06,3726 77656 UNIT
029410,001352: 06,3727 72441 DOT SL1 # DOT UV WITH Y(STABLE MEMBER) AND RESCALE
029411,001353: 06,3730 01742 REFSMMAT +6 # FROM +2 TO +1 FOR ASIN ROUTINE
029412,001354: 06,3731 51136 ARCSIN BPL
029413,001355: 06,3732 15736 SETMGA
029414,001356: 06,3733 43215 DAD DAD # CONVERT -MGA TO +MGA BY
029415,001357: 06,3734 15724 HALFREV # ADDING ONE REVOLUTION
029416,001358: 06,3735 15724 HALFREV
029417,001359: 06,3736 02253 SETMGA STORE +MGA
029418,001360: 06,3737 43414 CLR RVQ # CLEAR MGLVFLAG TO INDICATE +MGA CALC
029419,001361: 06,3740 02675 MGLVFLAG # AND EXIT
029420,001362: 06,3741 53575 GET.LVC VLOAD UNIT # (PL 6D) R (+29) IN MPAC, UNITIZE UR
029421,001363: 06,3742 02323 RINIT
029422,001364: 06,3743 77676 VCOMP # U(-R)
029423,001365: 06,3744 00023 STORE 18D # U(-R) TO 18D
029424,001366: 06,3745 53435 VXV UNIT # U(-R)*V EQ V*U(R), U(V*R)
029425,001367: 06,3746 02331 VINIT
029426,001368: 06,3747 00015 STORE 12D # U(V*R) TO 12D
029427,001369: 06,3750 53435 VXV UNIT # U(V*R)*U(-R), U((V*R)*(-R))
029428,001370: 06,3751 00023 18D
029429,001371: 06,3752 24007 STOVL 6D # TRANSFORMATION MATRIX IS IN 6D (+1)
029430,001372: 06,3753 00001 0D # DELTA V (+7) IN 0D
029431,001373: 06,3754 76521 MXV VSL1 # CONVERT FROM INER COOR TO LV COOR (+8)
029432,001374: 06,3755 00007 6D # AND SCALE +7 IN MPAC
029433,001375: 06,3756 03434 STORE DELVLVC # STORE IN DELVLVC (+7)
029434,001376: 06,3757 43414 SET RVQ # SET MGLVFLAG TO INDICATE LVC CALC
029435,001377: 06,3760 02475 MGLVFLAG # AND EXIT
029436,001378:
029437,001379: # ..... END OF MIDGIM ROUTINE .....
029438,001380:
![]() |
Page 695 |
029440,001382: 10,2000 BANK 10
029441,001383: 10,2000 SETLOC SLCTMU
029442,001384: 10,2000 BANK
029443,001385: 10,2000 COUNT* $$/MIDG
029444,001386:
029445,001387: 10,2000 77160 SELECTMU AXC,1 AXT,2
029446,001388: 10,2001 00002 2D
029447,001389: 10,2002 00000 0D
029448,001390: 10,2003 77614 BOFF
029449,001391: 10,2004 04343 CMOONFLG
029450,001392: 10,2005 20011 SETMUER
029451,001393: 10,2006 77160 AXC,1 AXT,2
029452,001394: 10,2007 00012 10D
029453,001395: 10,2010 00002 2D
029454,001396: 10,2011 66143 SETMUER DLOAD* SXA,1
029455,001397: 10,2012 10011 MUTABLE +4,1
029456,001398: 10,2013 02776 RTX1
029457,001399: 10,2014 22317 STODL* RTSR1/MU
029458,001400: 10,2015 10003 MUTABLE -2,1
029459,001401: 10,2016 54214 BOFF SR
029460,001402: 10,2017 04343 CMOONFLG
029461,001403: 10,2020 20022 RTRNMU
029462,001404: 10,2021 20607 6D
029463,001405: 10,2022 02321 RTRNMU STORE RTMU
029464,001406: 10,2023 43134 SXA,2 CLEAR
029465,001407: 10,2024 02777 RTX2
029466,001408: 10,2025 01271 FINALFLG
029467,001409: 10,2026 77650 GOTO
029468,001410: 10,2027 73515 VN1645
029469,001411:
![]() |
Page 696 |
029471,001413: # ..... PERIAPO .....
029472,001414: # MOD NO -1 LOG SECTION - P34-P35, P74-P75
029473,001415: # MOD BY WHITE.P DATE 18 JAN 68
029474,001416:
029475,001417: # FUNCTIONAL DESCRIPTION
029476,001418: # THIS SUBROUTINE COMPUTES THE TWO BODY APOCENTER AND PERICENTER
029477,001419: # ALTITUDES GIVEN THE POSITION AND VELOCITY VECTORS FOR A POINT ON
029478,001420: # THE TRAJECTORY AND THE PRIMARY BODY.
029479,001421:
029480,001422: # SETRAD IS CALLED TO DETERMINE THE RADIUS OF THE PRIMARY BODY.
029481,001423:
029482,001424: # APSIDES IS CALLED TO SOLVE FOR THE TWO BODY RADII OF APOCENTER AND
029483,001425: # PERICENTER AND THE ECCENTRICITY OF THE TRAJECTORY.
029484,001426:
029485,001427: # CALLING SEQUENCE
029486,001428: # L CALL
029487,001429: # L+1 PERIAPO
029488,001430: # L+2 (RETURN - ALWAYS)
029489,001431:
029490,001432: # INPUT
029491,001433: # (1) RVEC POSITION VECTOR IN METERS
029492,001434: # SCALE FACTOR - EARTH +29, MOON +27
029493,001435: # (2) VVEC VELOCITY VECTOR IN METERS/CENTISECOND
029494,001436: # SCALE FACTOR - EARTH +7, MOON +5
029495,001437: # (3) X1 PRIMARY BODY INDICATOR
029496,001438: # EARTH -2, MOON -10
029497,001439:
029498,001440: # OUTPUT
029499,001441: # (1) 2D APOCENTER RADIUS IN METERS
029500,001442: # SCALE FACTOR - EARTH +29, MOON +27
029501,001443: # (2) 4D APOCENTER ALTITUDE IN METERS
029502,001444: # SCALE FACTOR - EARTH +29, MOON P27
029503,001445: # (3) 6D PERICENTER RADIUS IN METERS
029504,001446: # SCALE FACTOR - EARTH +29, MOON +27
029505,001447: # (4) 8D PERICENTER ALTITUDE IN METERS
029506,001448: # SCALE FACTOR - EARTH +29, MOON +27
029507,001449: # (5) ECC ECCENTRICITY OF CONIC TRAJECTORY
029508,001450: # SCALE FACTOR - +3
029509,001451: # (6) XXXALT RADIUS OF THE PRIMARY BODY IN METERS
029510,001452: # SCALE FACTOR - EARTH +29, MOON +27
029511,001453: # (7) PUSHLOC EQUALS 10D
029512,001454:
029513,001455: # SUBROUTINES USED
029514,001456: # SETRAD
![]() |
Page 697 |
029516,001458: # APSIDES
029517,001459:
029518,001460: 23,2000 SETLOC APOPERI
029519,001461: 23,2000 BANK
029520,001462:
029521,001463: 23,2337 COUNT* $$/PERAP
029522,001464:
029523,001465: 23,2337 00302 17755 RPAD 2DEC 6373338 B-29 # STANDARD RADIUS OF PAD 37-B.
029524,001466: # = 20 909 901.57 FT
029525,001467:
029526,001468: 23,2341 53754 PERIAPO1 LXA,2 VSR*
029527,001469: 23,2342 02777 RTX2
029528,001470: 23,2343 57176 0,2
029529,001471: 23,2344 26744 STOVL VVEC
029530,001472: 23,2345 53750 LXA,1 VSR*
029531,001473: 23,2346 02776 RTX1
029532,001474: 23,2347 57176 0,2
029533,001475: 23,2350 02655 STORE RVEC
029534,001476: 23,2351 45020 PERIAPO STQ CALL
029535,001477: 23,2352 03463 NORMEX
029536,001478: 23,2353 46367 SETRAD
029537,001479: 23,2354 37671 STCALL XXXALT
029538,001480: 23,2355 25704 APSIDES
029539,001481: 23,2356 41401 SETPD PUSH # 2D = APOCENTER RADIUS B29 OR B27
029540,001482: 23,2357 00003 2D
029541,001483: 23,2360 65225 DSU PDDL # 4D = APOGEE ALTITUDE B29 OR B27
029542,001484: 23,2361 03671 XXXALT
029543,001485: 23,2362 00001 0D
029544,001486: 23,2363 45206 PUSH DSU # 6D = PERICENTER RADIUS B29 OR B27
029545,001487: 23,2364 03671 XXXALT
029546,001488: 23,2365 52006 PUSH GOTO # 8D = PERIGEE ALTITUDE B29 OR B27
029547,001489: 23,2366 03463 NORMEX
029548,001490:
![]() |
Page 698 |
029550,001492: # SETRAD
029551,001493:
029552,001494: 23,2367 41545 SETRAD DLOAD PUSH
029553,001495: 23,2370 06340 RPAD
029554,001496: 23,2371 63130 SXA,1 INCR,2
029555,001497: 23,2372 00047 X2
029556,001498: 23,2373 00002 2D
029557,001499: 23,2374 46135 SLOAD BHIZ
029558,001500: 23,2375 00050 X2
029559,001501: 23,2376 46402 SETRADX
029560,001502: 23,2377 51575 VLOAD ABVAL
029561,001503: 23,2400 02023 RLS
029562,001504: 23,2401 77725 PDDL
029563,001505: 23,2402 43545 SETRADX DLOAD RVQ
029564,001506:
![]() |
Page 699 |
029566,001508: # PRECSET
029567,001509:
029568,001510: 23,2403 77620 PRECSET STQ
029569,001511: 23,2404 03463 NORMEX
029570,001512: 23,2405 37574 STCALL TDEC2
029571,001513: 23,2406 27056 LEMPREC
029572,001514: 23,2407 77624 CALL
029573,001515: 23,2410 46421 LEMSTORE
029574,001516: 23,2411 77745 DLOAD
029575,001517: 23,2412 03574 TDEC2
029576,001518: 23,2413 34041 STCALL TDEC1
029577,001519: 23,2414 27042 CSMPREC
029578,001520: 23,2415 77624 CALL
029579,001521: 23,2416 46431 CSMSTORE
029580,001522: 23,2417 77650 GOTO
029581,001523: 23,2420 03463 NORMEX
029582,001524: 23,2421 43175 LEMSTORE VLOAD BOFF
029583,001525: 23,2422 00001 RATT
029584,001526: 23,2423 01352 AVFLAG
029585,001527: 23,2424 46435 PASSIVE
029586,001528: 23,2425 27536 ACTIVE STOVL RACT3
029587,001529: 23,2426 00007 VATT
029588,001530: 23,2427 03544 STORE VACT3
029589,001531: 23,2430 77616 RVQ
029590,001532: 23,2431 43175 CSMSTORE VLOAD BOFF
029591,001533: 23,2432 00001 RATT
029592,001534: 23,2433 01352 AVFLAG
029593,001535: 23,2434 46425 ACTIVE
029594,001536: 23,2435 27552 PASSIVE STOVL RPASS3
029595,001537: 23,2436 00007 VATT
029596,001538: 23,2437 03560 STORE VPASS3
029597,001539: 23,2440 77616 RVQ
029598,001540:
![]() |
Page 700 |
029600,001542: # VECSHIFT
029601,001543:
029602,001544: 23,2441 53754 VECSHIFT LXA,2 VSR*
029603,001545: 23,2442 02777 RTX2
029604,001546: 23,2443 57176 0,2
029605,001547: 23,2444 63350 LXA,1 PDVL
029606,001548: 23,2445 02776 RTX1
029607,001549: 23,2446 63257 VSR* PDVL
029608,001550: 23,2447 57176 0,2
029609,001551: 23,2450 77616 RVQ
029610,001552:
![]() |
Page 701 |
029612,001554: # SHIFTR1
029613,001555:
029614,001556: 23,2451 53754 SHIFTR1 LXA,2 SL*
029615,001557: 23,2452 02777 RTX2
029616,001558: 23,2453 57576 0,2
029617,001559: 23,2454 77616 RVQ
029618,001560:
![]() |
Page 702 |
029620,001562: # PROGRAM DESCRIPTION
029621,001563:
029622,001564: # SUBROUTINE NAME R36 OUT-OF-PLANE RENDEZVOUS ROUTINE
029623,001565: # MOD NO. 0 DATE 22 DECEMBER 67
029624,001566: # MOD BY N.M.NEVILLE LOG SECTION EXTENDED VERBS
029625,001567: # FUNCTIONAL DESCRIPTION
029626,001568:
029627,001569: # TO DISPLAY AT ASTRONAUT REQUEST LGC CALCULATED RENDEZVOUS
029628,001570: # OUT-OF-PLANE PARAMETERS (Y, YDOT, PSI). (REQUESTED BY DSKY).
029629,001571:
029630,001572: # CALLING SEQUENCE
029631,001573: # ASTRONAUT REQUEST THROUGH DSKY V 90 E
029632,001574:
029633,001575: # SUBROUTINES CALLED
029634,001576: # EXDSPRET
029635,001577: # GOMARKF
029636,001578: # CSMPREC
029637,001579: # LEMPREC
029638,001580: # SGNAGREE
029639,001581: # LOADTIME
029640,001582:
029641,001583: # NORMAL EXIT MODES
029642,001584: # ASTRONAUT REQUEST THROUGH DSKY TO TERMINATE PROGRAM V 34 E
029643,001585:
029644,001586: # ALARM OR ABORT EXIT MODES
029645,001587: # NONE
029646,001588:
029647,001589: # OUTPUT
029648,001590: # DECIMAL DISPLAY OF TIME, Y, YDOT AND PSI
029649,001591:
029650,001592: # DISPLAYED VALUES Y, YDOT, AND PSI, ARE STORED IN ERASABLE
029651,001593: # REGISTERS RANGE, RRATE AND RTHETA RESPECTIVELY.
029652,001594:
029653,001595: # ERASABLE INITIALIZATION REQUIRED
029654,001596: # CSM AND LEM STATE VECTORS
029655,001597:
029656,001598: # DEBRIS
029657,001599: # CENTRALS A,Q,L
029658,001600: # OTHER THOSE USED BY THE ABOVE LISTED SUBROUTINES
029659,001601:
029660,001602: 20,2115 BANK 20
029661,001603: 04,2000 SETLOC R36LM
029662,001604: 04,2000 BANK
![]() |
Page 703 |
029664,001606: 04,2642 E7,1441 EBANK= TIG
029665,001607: 04,2642 COUNT* $$/R36
029666,001608:
029667,001609: 04,2642 00006 R36 EXTEND
029668,001610: 04,2643 31442 DCA TIG # SET TIME-OF-EVENT TO TIG FOR NOMINAL
029669,001611: 04,2644 53051 DXCH DSPTEMX # DISPLAY
029670,001612: 04,2645 32755 CAF V06N16N
029671,001613: 04,2646 04616 TC BANKCALL
029672,001614: 04,2647 20334 CADR GOMARKF
029673,001615: 04,2650 15472 TCF ENDEXT # TERMINATE
029674,001616: 04,2651 12653 TCF +2 # PROCEED
029675,001617: 04,2652 12645 TCF -5 # RECYCLE FOR ASTRONAUT INPUT TIME
029676,001618: 04,2653 06042 TC INTPRET
029677,001619: 04,2654 53145 DLOAD BZE
029678,001620: 04,2655 01051 DSPTEMX
029679,001621: 04,2656 10752 GETNOW # ASTOR-LOADED ZERO, GET PRES TIME
029680,001622: 04,2657 34041 R36INT STCALL TDEC1
029681,001623: 04,2660 27042 OTHPREC
029682,001624: 04,2661 63375 VLOAD PDVL
029683,001625: 04,2662 00007 VATT
029684,001626: 04,2663 00001 RATT # -
029685,001627: 04,2664 02207 STORE RPASS36 # R
029686,001628: 04,2665 63256 UNIT PDVL # P
029687,001629: 04,2666 53435 VXV UNIT # -
029688,001630: 04,2667 77626 STADR
029689,001631: 04,2670 61562 STODL UNP36 # U
029690,001632: 04,2671 00015 TAT
029691,001633: 04,2672 34041 STCALL TDEC1
029692,001634: 04,2673 27056 THISPREC
029693,001635: 04,2674 63375 VLOAD PDVL # -
029694,001636: 04,2675 00007 VATT # VELOCITY VECTOR V 00D
029695,001637: 04,2676 00001 RATT # A
029696,001638: 04,2677 41406 PUSH PUSH # POSITION VECTOR R IN 06D AND 12D
029697,001639: 04,2700 63245 BVSU PDVL # A - -
029698,001640: 04,2701 02207 RPASS36 # LINE OF SIGHT VECTOR R - R 12D
029699,001641: 04,2702 72441 DOT SL1 # P A
029700,001642: 04,2703 02215 UNP36 # - -
029701,001643: 04,2704 26201 STOVL RANGE # Y = U . R
029702,001644: 04,2705 00001 00D # A
029703,001645: 04,2706 72441 DOT SL1
029704,001646: 04,2707 02215 UNP36 # . - -
029705,001647: 04,2710 26203 STOVL RRATE # Y = U . V
029706,001648: 04,2711 00007 06D # - A -
029707,001649: 04,2712 41456 UNIT PUSH # U = UNIT ( R ) 18D
029708,001650: 04,2713 47235 VXV VXV # RA A
029709,001651: 04,2714 00001 00D # - - - -
029710,001652: 04,2715 00023 18D # (U X V ) X U = U
029711,001653: 04,2716 53552 VSL2 UNIT # RA A RA A
029712,001654: 04,2717 77656 UNIT
029713,001655: 04,2720 24001 STOVL 00D # UNIT HORIZONTAL IN FORWARD DIR. 00D
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Page 704 |
029715,001657: 04,2721 00023 18D
029716,001658: 04,2722 74241 DOT VXSC # -
029717,001659: 04,2723 00015 12D # U
029718,001660: 04,2724 77752 VSL2 # L
029719,001661: 04,2725 53445 BVSU UNIT
029720,001662: 04,2726 77656 UNIT
029721,001663: 04,2727 50206 PUSH DOT # LOS PROJECTED INTO HORIZONTAL 12D
029722,001664: 04,2730 00001 00D # PLANE
029723,001665: 04,2731 65552 SL1 ARCCOS # - -
029724,001666: 04,2732 26205 STOVL RTHETA # PSI = ARCCOS(U . U )
029725,001667: 04,2733 50235 VXV DOT # A L
029726,001668: 04,2734 00001 00D
029727,001669: 04,2735 71244 BPL DLOAD
029728,001670: 04,2736 10743 R36TAG2
029729,001671: 04,2737 24020 LODPMAX
029730,001672: 04,2740 77625 DSU
029731,001673: 04,2741 02205 RTHETA
029732,001674: 04,2742 02205 STORE RTHETA
029733,001675: 04,2743 77776 R36TAG2 EXIT
029734,001676: 04,2744 32756 CAF V06N90N # DISPLAY Y, YDOT, AND PSI
029735,001677: 04,2745 04616 TC BANKCALL
029736,001678: 04,2746 20334 CADR GOMARKF
029737,001679: 04,2747 15472 TCF ENDEXT # TERMINATE
029738,001680: 04,2750 15472 TCF ENDEXT # PROCEED, END OF PROGRAM
029739,001681: 04,2751 12642 TCF R36 # RECYCLE, TIG OR ASTRO-OPTION
029740,001682: 04,2752 52034 GETNOW RTB GOTO # ASTRO-SELECTED PRESENT TIME
029741,001683: 04,2753 21574 LOADTIME
029742,001684: 04,2754 10657 R36INT
029743,001685: 04,2755 01420 V06N16N VN 00616
029744,001686: 04,2756 01532 V06N90N VN 00690
End of include-file P34-P35,_P74-P75.agc. Parent file is MAIN.agc