Source Code
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These source-code files derive from a printout of Luminary 116 (the Apollo 12
Lunar Module guidance computer program), from the personal library of
original AGC developer Don Eyles, digitally photographed at archive.org,
financially sponsored by Ron Burkey, and transcribed to source code by a
team of volunteers. This colorized, syntax-highlighted form was created
by assembling that transcribed source code. Note that the full page images
are available on the
Virtual AGC project page at archive.org, while reduced-size images
are presented at the VirtualAGC project website. Report or fix any
transcription errors at
the Virtual AGC project code repository. Notations on the program listing read, in part: GAP: ASSEMBLE REVISION 116 OF AGC PROGRAM LUMINARY BY NASA 2021112-071 19:09 AUG. 11,1969Note that the date is the date of the printout, not the date of the program revision. |
028095,000002: ## Copyright: Public domain.
028096,000003: ## Filename: P34-P35,_P74-P75.agc
028097,000004: ## Purpose: A section of Luminary revision 116.
028098,000005: ## It is part of the source code for the Lunar Module's (LM)
028099,000006: ## Apollo Guidance Computer (AGC) for Apollo 12.
028100,000007: ## This file is intended to be a faithful transcription, except
028101,000008: ## that the code format has been changed to conform to the
028102,000009: ## requirements of the yaYUL assembler rather than the
028103,000010: ## original YUL assembler.
028104,000011: ## Reference: pp. 658-702
028105,000012: ## Assembler: yaYUL
028106,000013: ## Contact: Ron Burkey <info@sandroid.org>.
028107,000014: ## Website: www.ibiblio.org/apollo/index.html
028108,000015: ## Mod history: 2017-01-22 MAS Created from Luminary 99.
028109,000016: ## 2017-01-28 RSB Back-ported some comment fixes I noticed while
028110,000017: ## proofing Luminary 69.
028111,000018: ## 2017-03-09 RSB Transcribed, and then proofed comment-text using
028112,000019: ## 3-way diff vs Luminary 99 and Luminary 131.
028113,000020: ## (Admittedly, the former is more for detecting errors
028114,000021: ## in Luminary 99 than the other way around.)
028115,000022: ## 2017-03-16 RSB Comment-text fixes identified in 5-way
028116,000023: ## side-by-side diff of Luminary 69/99/116/131/210.
028117,000024:
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Page 658 |
028119,000026: # TRANSFER PHASE INITIATION (TPI) PROGRAMS (P34 AND P74)
028120,000027:
028121,000028: # MOD NO -1 LOG SECTION - P32-P35, P72-P75
028122,000029: # MOD BY WHITE.P DATE 1JUNE67
028123,000030:
028124,000031: # PURPOSE
028125,000032:
028126,000033: # (1) TO CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL CONDITIONS
028127,000034: # REQUIRED BY THE ACTIVE VEHICLE FOR EXECUTION OF THE TRANSFER
028128,000035: # PHASE INITIATION (TPI) MANEUVER, GIVEN -
028129,000036:
028130,000037: # (A) TIME OF IGNITION TIG (TPI) OR THE ELEVATION ANGLE (E) OF
028131,000038: # THE ACTIVE/PASSIVE VEHICLE LOS AT TIG (TPI).
028132,000039:
028133,000040: # (B) CENTRAL ANGLE OF TRANSFER (CENTANG) FROM TIG (TPI) TO
028134,000041: # INTERCEPT TIME (TIG (TPF)).
028135,000042:
028136,000043: # (2) TO CALCULATE TIG (TPI) GIVEN E OR E GIVEN TIG (TPI).
028137,000044:
028138,000045: # (3) TO CALCULATE THESE PARAMETERS BASED UPON MANEUVER DATA
028139,000046: # APPROVED AND KEYED INTO THE DSKY BY THE ASTRONAUT.
028140,000047:
028141,000048: # (4) TO DISPLAY TO THE ASTRONAUT AND THE GROUND CERTAIN DEPENDENT
028142,000049: # VARIABLES ASSOCIATED WITH THE MANEUVER FOR APPROVAL BY THE
028143,000050: # ASTRONAUT/GROUND.
028144,000051:
028145,000052: # (5) TO STORE THE TPI TARGET PARAMETERS FOR USE BY THE DESIRED
028146,000053: # THRUSTING PROGRAM.
028147,000054:
028148,000055: # ASSUMPTIONS
028149,000056:
028150,000057: # (1) LM ONLY - THIS PROGRAM IS BASED UPON PREVIOUS COMPLETION OF
028151,000058: # THE CONSTANT DELTA ALTITUDE (CDH) PROGRAM (P33/P73).
028152,000059: # THEREFORE -
028153,000060:
028154,000061: # (A) AT A SELECTED TPI TIME (NOW IN STORAGE) THE LINE OF SIGHT
028155,000062: # BETWEEN THE ACTIVE AND PASSIVE VEHICLES WAS SELECTED TO BE
028156,000063: # A PRESCRIBED ANGLE (E) (NOW IN STORAGE) FROM THE
028157,000064: # HORIZONTAL PLANE DEFINED BY THE ACTIVE VEHICLE POSITION.
028158,000065:
028159,000066: # (B) THE TIME BETWEEN CDH IGNITION AND TPI IGNITION WAS
028160,000067: # COMPUTED TO BE GREATER THAN 10 MINUTES.
028161,000068:
028162,000069: # (C) THE VARIATION OF THE ALTITUDE DIFFERENCE BETWEEN THE
028163,000070: # ORBITS WAS MINIMIZED.
028164,000071:
028165,000072: # (D) THE PERICENTER ALTITUDES OF ORBITS FOLLOWING CSI AND
028166,000073: # CDH WERE COMPUTED TO BE GREATER THAN 35,000 FT FOR LUNAR
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Page 659 |
028168,000075: # ORBIT OR 85 NM FOR EARTH ORBIT.
028169,000076:
028170,000077: # (E) THE CSI AND CDH MANEUVERS WERE ASSUMED TO BE PARALLEL TO
028171,000078: # THE PLANE OF THE PASSIVE VEHICLE ORBIT. HOWEVER, CREW
028172,000079: # MODIFICATION OF DELTA V (LV) COMPONENTS MAY HAVE RESULTED
028173,000080: # IN AN OUT-OF-PLANE MANEUVER.
028174,000081:
028175,000082: # (2) STATE VECTOR UPDATED BY P27 ARE DISALLOWED DURING AUTOMATIC
028176,000083: # STATE VECTOR UPDATING INITIATED BY P20 (SEE ASSUMPTION (4)).
028177,000084:
028178,000085: # (3) THIS PROGRAM MUST BE DONE OVER A TRACKING STATION FOR REAL
028179,000086: # TIME GROUND PARTICIPATION IN DATA INPUT AND OUTPUT. COMPUTED
028180,000087: # VARIABLES MAY BE STORED FOR LATER VERIFICATION BY THE GROUND.
028181,000088: # THESE STORAGE CAPABILITIES ARE LIMITED ONLY TO THE PARAMETERS
028182,000089: # FOR ONE THRUSTING MANEUVER AT A TIME EXCEPT FOR CONCENTRIC
028183,000090: # FLIGHT PLAN MANEUVER SEQUENCES.
028184,000091:
028185,000092: # (4) THE RENDEZVOUS RADAR MAY OR MAY NOT BE USED TO UPDATE THE LM
028186,000093: # OR CSM STATE VECTORS FOR THIS PROGRAM. IF RADAR USE IS
028187,000094: # DESIRED THE RADAR WAS TURNED ON AND LOCKED ON THE CSM BY
028188,000095: # PREVIOUS SELECTION OF P20. RADAR SIGHTING MARKS WILL BE MADE
028189,000096: # AUTOMATICALLY APPROXIMATELY ONCE A MINUTE WHEN ENABLED BY THE
028190,000097: # TRACK AND UPDATE FLAGS (SEE P20). THE RENDEZVOUS TRACKING
028191,000098: # MARK COUNTER IS ZEROED BY THE SELECTION OF P20 AND AFTER EACH
028192,000099: # THRUSTING MANEUVER.
028193,000100:
028194,000101: # (5) THE ISS NEED NOT BE ON TO COMPLETE THIS PROGRAM.
028195,000102:
028196,000103: # (6) THE OPERATION OF THE PROGRAM UTILIZES THE FOLLOWING FLAGS -
028197,000104:
028198,000105: # ACTIVE VEHICLE FLAG - DESIGNATES THE VEHICLE WHICH IS
028199,000106: # DOING RENDEZVOUS THRUSTING MANEUVERS TO THE PROGRAM WHICH
028200,000107: # CALCULATES THE MANEUVER PARAMETERS. SET AT THE START OF
028201,000108: # EACH RENDEZVOUS PRE-THRUSTING PROGRAM.
028202,000109:
028203,000110: # FINAL FLAG - SELECTS FINAL PROGRAM DISPLAYS AFTER CREW HAS
028204,000111: # SELECTED THE FINAL MANEUVER COMPUTATION CYCLE.
028205,000112:
028206,000113: # EXTERNAL DELTA V FLAG - DESIGNATES THE TYPE OF STEERING
028207,000114: # REQUIRED FOR EXECUTION OF THIS MANEUVER BY THE THRUSTING
028208,000115: # PROGRAM SELECTED AFTER COMPLETION OF THIS PROGRAM.
028209,000116:
028210,000117: # (7) ONCE THE PARAMETWRS REQUIRED FOR COMPUTION OF THE MANEUVER
028211,000118: # HAVE BEEN COMPLETELY SPECIFIED, THE VALUE OF THE ACTIVE
028212,000119: # VEHICLE CENTRAL ANGLE OF TRANSFER IS COMPUTED AND STORED.
028213,000120: # THIS NUMBER WILL BE AVAILABLE FOR DISPLAY TO THE ASTRONAUT
028214,000121: # THROUGH THE USE OF V06N52.
028215,000122:
028216,000123: # THE ASTRONAUT WILL CALL THIS DISPLAY TO VERIFY THAT THE
028217,000124: # CENTRAL ANGLE OF TRANSFER OF THE ACTIVE VEHICLE IS NOT WITHIN
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Page 660 |
028219,000126: # 170 TO 190 DEGREES. IF THE ANGLE IS WITHIN THIS ZONE THE
028220,000127: # ASTRONAUT SHOULD REASSESS THE INPUT TARGETING PARAMETERS BASED
028221,000128: # UPON DELTA V AND EXPECTED MANEUVER TIME.
028222,000129:
028223,000130: # (8) THIS PROGRAM IS SELECTED BY THE ASTRONAUT BY DSKY ENTRY -
028224,000131:
028225,000132: # P34 IF THIS VEHICLE IS ACTIVE VEHICLE.
028226,000133:
028227,000134: # P74 IF THIS VEHICLE IS PASSIVE VEHICLE.
028228,000135:
028229,000136: # INPUT
028230,000137:
028231,000138: # (1) TTPI TIME OF THE TPI MANEUVER
028232,000139: # (2) ELEV DESIRED LOS ANGLE AT TPI
028233,000140: # (3) CENTANG ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE DURING
028234,000141: # TRANSFER FROM TPI TO TIME OF INTERCEPT
028235,000142:
028236,000143: # OUTPUT
028237,000144:
028238,000145: # (1) TRKMKCNT NUMBER OF MARKS
028239,000146: # (2) TTOGO TIME TO GO
028240,000147: # (3) +MGA MIDDLE GIMBAL ANGLE
028241,000148: # (4) TTPI COMPUTED TIME OF TPI MANEUVER
028242,000149: # OR
028243,000150: # ELEV COMPUTED LOS ANGLE AT TPI
028244,000151: # (5) POSTTPI PERIGEE ALTITUDE AFTER THE TPI MANEUVER
028245,000152: # (6) DELVTPI MAGNITUDE OF DELTA V AT TPI
028246,000153: # (7) DELVTPF MAGNITUDE OF DELTA V AT INTERCEPT
028247,000154: # (8) DVLOS DELTA VELOCITY AT TPI - LINE OF SIGHT
028248,000155: # (9) DELVLVC DELTA VELOCITY AT TPI - LOCAL VERTICAL COORDINATES
028249,000156:
028250,000157: # DOWNLINK
028251,000158:
028252,000159: # (1) TTPI TIME OF THE TPI MANEUVER
028253,000160: # (2) TIG TIME OF THE TPI MANEUVER
028254,000161: # (3) ELEV DESIRED LOS ANGLE AT TPI
028255,000162: # (4) CENTANG ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE DURING
028256,000163: # TRANSFER FROM TPI TO TIME OF INTERCEPT
028257,000164: # (5) DELVEET3 DELTA VELOCITY AT TPI - REFERENCE COORDINATES
028258,000165: # (6) TPASS4 TIME OF INTERCEPT
028259,000166:
028260,000167: # COMMUNICATION TO THRUSTING PROGRAMS
028261,000168:
028262,000169: # (1) TIG TIME OF THE TPI MANEUVER
028263,000170: # (2) RTARG OFFSET TARGET POSITION
028264,000171: # (3) TPASS4 TIME OF INTERCEPT
028265,000172: # (4) XDELVFLG RESET TO INDICATE LAMBERT (AIMPOINT) VG COMPUTATION
028266,000173:
028267,000174: # SUBROUTINES USED
028268,000175:
028269,000176: # AVFLAGA
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Page 661 |
028271,000178: # AVFLAGP
028272,000179: # VNPOOH
028273,000180: # DISPLAYE
028274,000181: # SELECTMU
028275,000182: # PRECSET
028276,000183: # S33/34.1
028277,000184: # ALARM
028278,000185: # BANKCALL
028279,000186: # GOFLASH
028280,000187: # GOTOPOOH
028281,000188: # TIMETHET
028282,000189: # S34/35.2
028283,000190: # PERIAPO1
028284,000191: # SHIFTR1
028285,000192: # S34/35.5
028286,000193: # VN1645
028287,000194:
028288,000195: 35,2000 SETLOC CSI/CDH
028289,000196: 35,2000 BANK
028290,000197: 35,2455 E7,1470 EBANK= SUBEXIT
028291,000198: 35,2455 COUNT* $$/P3474
028292,000199: 35,2455 02354 P34 TC AVFLAGA
028293,000200: 35,2456 02460 TC P34/P74A
028294,000201: 35,2457 02361 P74 TC AVFLAGP
028295,000202: 35,2460 02366 P34/P74A TC P20FLGON # SET UPDATFLG, TRACKFLG
028296,000203: 35,2461 33632 CAF V06N37 # TTPI
028297,000204: 35,2462 03621 TC VNPOOH
028298,000205: 35,2463 00006 EXTEND
028299,000206: 35,2464 33655 DCA 130DEG
028300,000207: 35,2465 53621 DXCH CENTANG
028301,000208: 35,2466 32424 CAF P30ZERO
028302,000209: 35,2467 55466 TS NN
028303,000210: 35,2470 03603 TC DISPLAYE # ELEV AND CENTANG
028304,000211: 35,2471 06042 TC INTPRET
028305,000212: 35,2472 71214 CLEAR DLOAD
028306,000213: 35,2473 01270 ETPIFLAG
028307,000214: 35,2474 03636 TTPI
028308,000215: 35,2475 17442 STODL TIG
028309,000216: 35,2476 02257 ELEV
028310,000217: 35,2477 43054 BZE SET
028311,000218: 35,2500 72502 P34/P74B
028312,000219: 35,2501 01070 ETPIFLAG
028313,000220: 35,2502 77624 P34/P74B CALL
028314,000221: 35,2503 20000 SELECTMU
028315,000222: 35,2504 DELELO EQUALS 26D
028316,000223: 35,2504 43145 P34/P74C DLOAD SET
028317,000224: 35,2505 06524 ZEROVECS
028318,000225: 35,2506 03460 ITSWICH
028319,000226: 35,2507 43014 BON CLEAR
028320,000227: 35,2510 01310 ETPIFLAG
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Page 662 |
028322,000229: 35,2511 72513 SWCHSET
028323,000230: 35,2512 03660 ITSWICH
028324,000231: 35,2513 02317 SWCHSET STORE NOMTPI
028325,000232: 35,2514 43345 INTLOOP DLOAD DAD
028326,000233: 35,2515 03636 TTPI
028327,000234: 35,2516 02317 NOMTPI
028328,000235: 35,2517 34041 STCALL TDEC1
028329,000236: 35,2520 46403 PRECSET
028330,000237: 35,2521 77624 CALL
028331,000238: 35,2522 72674 S33/34.1
028332,000239: 35,2523 77454 BZE EXIT
028333,000240: 35,2524 72535 SWCHCLR
028334,000241: 35,2525 05567 TC ALARM
028335,000242: 35,2526 00611 OCT 611
028336,000243: 35,2527 35006 CAF V05N09
028337,000244: 35,2530 04616 TC BANKCALL
028338,000245: 35,2531 20477 CADR GOFLASH
028339,000246: 35,2532 06001 TC GOTOPOOH
028340,000247: 35,2533 02460 TC P34/P74A # PROCEED
028341,000248: 35,2534 02525 TC -7 # V32
028342,000249:
028343,000250: 35,2535 43014 SWCHCLR BONCLR BON
028344,000251: 35,2536 03600 ITSWICH
028345,000252: 35,2537 72514 INTLOOP
028346,000253: 35,2540 01310 ETPIFLAG
028347,000254: 35,2541 72545 P34/P74D # DISPLAY TTPI
028348,000255: 35,2542 77776 EXIT
028349,000256: 35,2543 03603 TC DISPLAYE # DISPLAY ELEV AND CENTANG
028350,000257: 35,2544 02550 TC P34/P74E
028351,000258: 35,2545 77776 P34/P74D EXIT
028352,000259: 35,2546 33632 CAF V06N37 # TTPI
028353,000260: 35,2547 03621 TC VNPOOH
028354,000261: 35,2550 06042 P34/P74E TC INTPRET
028355,000262: 35,2551 71201 SETPD DLOAD
028356,000263: 35,2552 00001 0D
028357,000264: 35,2553 02777 RTX1
028358,000265: 35,2554 14047 STODL X1
028359,000266: 35,2555 03621 CENTANG
028360,000267: 35,2556 71406 PUSH COS
028361,000268: 35,2557 16732 STODL CSTH
028362,000269: 35,2560 77756 SIN
028363,000270: 35,2561 26730 STOVL SNTH
028364,000271: 35,2562 03552 RPASS3
028365,000272: 35,2563 77657 VSR*
028366,000273: 35,2564 57176 0,2
028367,000274: 35,2565 26655 STOVL RVEC
028368,000275: 35,2566 03560 VPASS3
028369,000276: 35,2567 43057 VSR* SET
028370,000277: 35,2570 57176 0,2
028371,000278: 35,2571 03466 RVSW
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Page 663 |
028373,000280: 35,2572 36744 STCALL VVEC
028374,000281: 35,2573 24732 TIMETHET
028375,000282: 35,2574 77745 DLOAD
028376,000283: 35,2575 03636 TTPI
028377,000284: 35,2576 03610 STORE INTIME # FOR INITVEL
028378,000285: 35,2577 77615 DAD
028379,000286: 35,2600 00037 T # RENDEZVOUS TIME
028380,000287: 35,2601 37631 STCALL TPASS4 # FOR INITVEL
028381,000288: 35,2602 73216 S34/35.2
028382,000289: 35,2603 51575 VLOAD ABVAL
028383,000290: 35,2604 02366 DELVEET3
028384,000291: 35,2605 27576 STOVL DELVTPI
028385,000292: 35,2606 03506 VPASS4
028386,000293: 35,2607 51451 VSU ABVAL
028387,000294: 35,2610 03566 VTPRIME
028388,000295: 35,2611 26350 STOVL DELVTPF
028389,000296: 35,2612 03536 RACT3
028390,000297: 35,2613 45115 PDVL CALL
028391,000298: 35,2614 02337 VIPRIME
028392,000299: 35,2615 46341 PERIAPO1
028393,000300: 35,2616 77624 CALL
028394,000301: 35,2617 46451 SHIFTR1
028395,000302: 35,2620 17606 STODL POSTTPI
028396,000303: 35,2621 03636 TTPI
028397,000304: 35,2622 03442 STORE TIG
028398,000305: 35,2623 77776 EXIT
028399,000306: 35,2624 33634 CAF V06N58
028400,000307: 35,2625 03621 TC VNPOOH
028401,000308: 35,2626 06042 TC INTPRET
028402,000309: 35,2627 77624 CALL
028403,000310: 35,2630 73432 S34/35.5
028404,000311: 35,2631 77624 CALL
028405,000312: 35,2632 73515 VN1645
028406,000313: 35,2633 77650 GOTO
028407,000314: 35,2634 72504 P34/P74C
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Page 664 |
028409,000316: # RENDEZVOUS MID-COURSE MANEUVER PROGRAMS (P35 AND P75)
028410,000317:
028411,000318: # MOD NO -1 LOG SECTION - P32-P35, P72-P75
028412,000319: # MOD BY WHITE.P DATE 1JUNE67
028413,000320:
028414,000321: # PURPOSE
028415,000322:
028416,000323: # (1) TO CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL CONDITIONS
028417,000324: # REQUIRED BY THE ACTIVE VEHICLE FOR EXECUTION OF THE NEXT
028418,000325: # MIDCOURSE CORRECTION OF THE TRANSFER PHASE OF AN ACTIVE
028419,000326: # VEHICLE RENDEZVOUS.
028420,000327:
028421,000328: # (2) TO DISPLAY TO THE ASTRONAUT AND THE GROUND CERTAIN DEPENDENT
028422,000329: # VARIABLES ASSOCIATED WITH THE MANEUVER FOR APPROVAL BY THE
028423,000330: # ASTRONAUT/GROUND.
028424,000331:
028425,000332: # (3) TO STORE THE TPM TARGET PARAMETERS FOR USE BY THE DESIRED
028426,000333: # THRUSTING PROGRAM.
028427,000334:
028428,000335: # ASSUMPTIONS
028429,000336:
028430,000337: # (1) THE ISS NEED NOT BE ON TO COMPLETE THIS PROGRAM.
028431,000338:
028432,000339: # (2) STATE VECTOR UPDATES BY P27 ARE DISALLOWED DURING AUTOMATIC
028433,000340: # STATE VECTOR UPDATING INITIATED BY P20 (SEE ASSUMPTION (3)).
028434,000341:
028435,000342: # (3) THE RENDEZVOUS RADAR IS ON AND IS LOCKED ON THE CSM. THIS WAS
028436,000343: # DONE DURING PREVIOUS SELECTION OF P20. RADAR SIGHTING MARKS
028437,000344: # WILL BE MADE AUTOMATICALLY APPROXIMATELY ONCE A MINUTE WHEN
028438,000345: # ENABLED BY THE TRACK AND UPDATE FLAGS (SEE P20). THE
028439,000346: # RENDEZVOUS TRACKING MARK COUNTER IS ZEROED BY THE SELECTION OF
028440,000347: # P20 AND AFTER EACH THRUSTING MANEUVER.
028441,000348:
028442,000349: # (4) THE OPERATION OF THE PROGRAM UTILIZES THE FOLLOWING FLAGS -
028443,000350:
028444,000351: # ACTIVE VEHICLE FLAG - DESIGNATES THE VEHICLE WHICH IS
028445,000352: # DOING RENDEZVOUS THRUSTING MANEUVERS TO THE PROGRAM WHICH
028446,000353: # CALCULATES THE MANEUVER PARAMETERS. SET AT THE START OF
028447,000354: # EACH RENDEZVOUS PRE-THRUSTING PROGRAM.
028448,000355:
028449,000356: # FINAL FLAG - SELECTS FINAL PROGRAM DISPLAYS AFTER CREW HAS
028450,000357: # SELECTED THE FINAL MANEUVER COMPUTATION CYCLE.
028451,000358:
028452,000359: # EXTERNAL DELTA V FLAG - DESIGNATES THE TYPE OF STEERING
028453,000360: # REQUIRED FOR EXECUTION OF THIS MANEUVER BY THE THRUSTING
028454,000361: # PROGRAM SELECTED AFTER COMPLETION OF THIS PROGRAM.
028455,000362:
028456,000363: # (5) THE TIME OF INTERCEPT (T(INT)) WAS DEFINED BY PREVIOUS
028457,000364: # COMPLETION OF THE TRANSFER PHASE INITIATION (TPI) PROGRAM
028458,000365: # (P34/P74) AND IS PRESENTLY AVAILABLE IN STORAGE.
028459,000366:
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Page 665 |
028461,000368: # (6) ONCE THE PARAMETERS REQUIRED FOR COMPUTION OF THE MANEUVER
028462,000369: # HAVE BEEN COMPLETELY SPECIFIED, THE VALUE OF THE ACTIVE
028463,000370: # VEHICLE CENTRAL ANGLE OF TRANSFER IS COMPUTED AND STORED.
028464,000371: # THIS NUMBER WILL BE AVAILABLE FOR DISPLAY TO THE ASTRONAUT
028465,000372: # THROUGH THE USE OF V06N52.
028466,000373:
028467,000374: # THE ASTRONAUT WILL CALL THIS DISPLAY TO VERIFY THAT THE
028468,000375: # CENTRAL ANGLE OF TRANSFER OF THE ACTIVE VEHICLE IS NOT WITHIN
028469,000376: # 170 TO 190 DEGREES. IF THE ANGLE IS WITHIN THIS ZONE THE
028470,000377: # ASTRONAUT SHOULD REASSESS THE INPUT TARGETING PARAMETERS BASED
028471,000378: # UPON DELTA V AND EXPECTED MANEUVER TIME.
028472,000379:
028473,000380: # (7) THIS PROGRAM IS SELECTED BY THE ASTRONAUT BY DSKY ENTRY -
028474,000381:
028475,000382: # P35 IF THIS VEHICLE IS ACTIVE VEHICLE.
028476,000383:
028477,000384: # P75 IF THIS VEHICLE IS PASSIVE VEHICLE.
028478,000385:
028479,000386: # INPUT
028480,000387:
028481,000388: # (1) TPASS4 TIME OF INTERCEPT - SAVED FROM P34/P74
028482,000389:
028483,000390: # OUTPUT
028484,000391:
028485,000392: # (1) TRKMKCNT NUMBER OF MARKS
028486,000393: # (2) TTOGO TIME TO GO
028487,000394: # (3) +MGA MIDDLE GIMBAL ANGLE
028488,000395: # (4) DVLOS DELTA VELOCITY AT MID - LINE OF SIGHT
028489,000396: # (5) DELVLVC DELTA VELOCITY AT MID - LOCAL VERTICAL COORDINATES
028490,000397:
028491,000398: # DOWNLINK
028492,000399:
028493,000400: # (1) TIG TIME OF THE TPM MANEUVER
028494,000401: # (2) DELVEET3 DELTA VELOCITY AT TPM - REFERENCE COORDINATES
028495,000402: # (3) TPASS4 TIME OF INTERCEPT
028496,000403:
028497,000404: # COMMUNICATION TO THRUSTING PROGRAMS
028498,000405:
028499,000406: # (1) TIG TIME OF THE TPM MANEUVER
028500,000407: # (2) RTARG OFFSET TARGET POSITION
028501,000408: # (3) TPASS4 TIME OF INTERCEPT
028502,000409: # (4) XDELVFLG RESET TO INDICATE LAMBERT (AIMPOINT) VG COMPUTATION
028503,000410:
028504,000411: # SUBROUTINES USED
028505,000412:
028506,000413: # AVFLAGA
028507,000414: # AVFLAGP
028508,000415: # LOADTIME
028509,000416: # SELECTMU
028510,000417: # PRECSET
028511,000418: # S34/35.1
028512,000419: # S34/35.2
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Page 666 |
028514,000421: # S34/35.5
028515,000422: # VN1645
028516,000423:
028517,000424: 35,2635 COUNT* $$/P3575
028518,000425: 35,2635 E7,1575 EBANK= KT
028519,000426:
028520,000427: 35,2635 02354 P35 TC AVFLAGA
028521,000428: 35,2636 00006 EXTEND
028522,000429: 35,2637 31401 DCA ATIGINC
028523,000430: 35,2640 02644 TC P35/P75A
028524,000431: 35,2641 02361 P75 TC AVFLAGP
028525,000432: 35,2642 00006 EXTEND
028526,000433: 35,2643 31403 DCA PTIGINC
028527,000434: 35,2644 53576 P35/P75A DXCH KT
028528,000435: 35,2645 02366 TC P20FLGON # SET UPDATFLG, TRACKFLG
028529,000436: 35,2646 06042 TC INTPRET
028530,000437: 35,2647 77624 CALL
028531,000438: 35,2650 20000 SELECTMU
028532,000439: 35,2651 77634 P35/P75B RTB
028533,000440: 35,2652 21574 LOADTIME
028534,000441: 35,2653 03612 STORE TSTRT
028535,000442: 35,2654 77615 DAD
028536,000443: 35,2655 03576 KT
028537,000444: 35,2656 03442 STORE TIG
028538,000445: 35,2657 03610 STORE INTIME # FOR INITVEL
028539,000446: 35,2660 34041 STCALL TDEC1
028540,000447: 35,2661 46403 PRECSET # ADVANCE BOTH VEHICLES
028541,000448: 35,2662 77624 CALL
028542,000449: 35,2663 73204 S34/35.1 # GET NORM AND LOS FOR TRANSFORM
028543,000450: 35,2664 77624 CALL
028544,000451: 35,2665 73216 S34/35.2 # GET DELTA V(LV)
028545,000452: 35,2666 77624 CALL
028546,000453: 35,2667 73432 S34/35.5
028547,000454: 35,2670 77624 CALL
028548,000455: 35,2671 73515 VN1645
028549,000456: 35,2672 77650 GOTO
028550,000457: 35,2673 72651 P35/P75B
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Page 667 |
028552,000459: # ..... S33/34.1 .....
028553,000460:
028554,000461: 35,2674 66220 S33/34.1 STQ SSP
028555,000462: 35,2675 03463 NORMEX
028556,000463: 35,2676 03614 TITER
028557,000464: 35,2677 40000 OCT 40000
028558,000465: 35,2700 40345 DLOAD SETPD
028559,000466: 35,2701 33643 MAX250
028560,000467: 35,2702 00001 0D
028561,000468: 35,2703 27574 STOVL SECMAX
028562,000469: 35,2704 03536 RACT3
028563,000470: 35,2705 27500 STOVL RAPREC
028564,000471: 35,2706 03544 VACT3
028565,000472: 35,2707 27506 STOVL VAPREC
028566,000473: 35,2710 03552 RPASS3
028567,000474: 35,2711 27522 STOVL RPPREC
028568,000475: 35,2712 03560 VPASS3
028569,000476: 35,2713 03530 STORE VPPREC
028570,000477: 35,2714 77624 ELCALC CALL
028571,000478: 35,2715 73204 S34/35.1 # NORMAL AND LOS
028572,000479: 35,2716 63235 VXV PDVL
028573,000480: 35,2717 03536 RACT3 # (RA*VA)*RA 0D
028574,000481: 35,2720 53515 PDVL UNIT # ULOS AT 6D
028575,000482: 35,2721 03536 RACT3
028576,000483: 35,2722 46315 PDVL VPROJ # XCHNJ AND UP
028577,000484: 35,2723 51352 VSL2 BVSU
028578,000485: 35,2724 02311 ULOS
028579,000486: 35,2725 63256 UNIT PDVL # UP AT 0D
028580,000487: 35,2726 63241 DOT PDVL # UP.UN*RA AT 0D
028581,000488: 35,2727 00001 0D # UP IN MPAC
028582,000489: 35,2730 75241 DOT SIGN
028583,000490: 35,2731 02311 ULOS
028584,000491: 35,2732 65552 SL1 ACOS
028585,000492: 35,2733 50315 PDVL DOT # EA AT 0D
028586,000493: 35,2734 02311 ULOS
028587,000494: 35,2735 03536 RACT3
028588,000495: 35,2736 71244 BPL DLOAD
028589,000496: 35,2737 72742 TESTY
028590,000497: 35,2740 06532 DPPOSMAX
028591,000498: 35,2741 41425 DSU PUSH
028592,000499: 35,2742 71214 TESTY BOFF DLOAD
028593,000500: 35,2743 03740 ITSWICH
028594,000501: 35,2744 73171 ELEX
028595,000502: 35,2745 03576 DELEL
028596,000503: 35,2746 14033 STODL DELELO
028597,000504: 35,2747 77625 DSU
028598,000505: 35,2750 02257 ELEV
028599,000506: 35,2751 03576 STORE DELEL
028600,000507: 35,2752 45246 ABS DSU
028601,000508: 35,2753 33647 ELEPS
![]() |
Page 668 |
028603,000510: 35,2754 77640 BMN
028604,000511: 35,2755 73201 TIMEX # COMMERCIALS EVERYWHERE
028605,000512: 35,2756 70535 FIGTIME SLOAD SR1
028606,000513: 35,2757 03614 TITER
028607,000514: 35,2760 72030 BHIZ LXA,1
028608,000515: 35,2761 03463 NORMEX # TOO MANY ITERATIONS
028609,000516: 35,2762 00154 MPAC
028610,000517: 35,2763 77330 SXA,1 VLOAD
028611,000518: 35,2764 03613 TITER
028612,000519: 35,2765 03552 RPASS3
028613,000520: 35,2766 65256 UNIT PDDL
028614,000521: 35,2767 00045 36D
028615,000522: 35,2770 53515 PDVL UNIT
028616,000523: 35,2771 03536 RACT3
028617,000524: 35,2772 77725 PDDL
028618,000525: 35,2773 41525 PDDL PUSH
028619,000526: 35,2774 00045 36D
028620,000527: 35,2775 77621 BDSU
028621,000528: 35,2776 00015 12D
028622,000529: 35,2777 14037 STODL 30D # RP - RA MAGNITUDES
028623,000530: 35,3000 06522 DPHALF
028624,000531: 35,3001 41425 DSU PUSH
028625,000532: 35,3002 02257 ELEV
028626,000533: 35,3003 50165 SIGN BMN
028627,000534: 35,3004 00037 30D
028628,000535: 35,3005 03463 NORMEX
028629,000536: 35,3006 71545 DLOAD COS
028630,000537: 35,3007 56205 DMP DDV
028631,000538: 35,3010 00017 14D
028632,000539: 35,3011 00015 12D
028633,000540: 35,3012 77676 DCOMP # SINCE COS(180-A)=-COS A
028634,000541: 35,3013 00035 STORE 28D
028635,000542: 35,3014 44246 ABS BDSU
028636,000543: 35,3015 06522 DPHALF
028637,000544: 35,3016 77240 BMN VLOAD
028638,000545: 35,3017 03463 NORMEX
028639,000546: 35,3020 02261 UNRM
028640,000547: 35,3021 53435 VXV UNIT
028641,000548: 35,3022 00007 6D # UN*RA
028642,000549: 35,3023 41241 DOT DMP
028643,000550: 35,3024 03544 VACT3
028644,000551: 35,3025 00015 12D
028645,000552: 35,3026 47315 PDVL VXV
028646,000553: 35,3027 00001 0D
028647,000554: 35,3030 03560 VPASS3
028648,000555: 35,3031 53435 VXV UNIT
028649,000556: 35,3032 00001 0D # (RP*VP)*RP
028650,000557: 35,3033 41241 DOT DMP
028651,000558: 35,3034 03560 VPASS3
028652,000559: 35,3035 00017 14D
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Page 669 |
028654,000561: 35,3036 77621 BDSU
028655,000562: 35,3037 63301 NORM PDVL # NORMALIZED WA - WP 12D
028656,000563: 35,3040 00047 X1
028657,000564: 35,3041 00007 6D
028658,000565: 35,3042 50235 VXV DOT
028659,000566: 35,3043 00001 0D
028660,000567: 35,3044 02261 UNRM # RA*RP.UN 14D
028661,000568: 35,3045 50315 PDVL DOT
028662,000569: 35,3046 00001 0D
028663,000570: 35,3047 00007 6D
028664,000571: 35,3050 65552 SL1 ACOS
028665,000572: 35,3051 77765 SIGN
028666,000573: 35,3052 43225 DSU DAD # ALPHA PI
028667,000574: 35,3053 06522 DPHALF
028668,000575: 35,3054 02257 ELEV
028669,000576: 35,3055 65525 PDDL ACOS
028670,000577: 35,3056 00035 28D
028671,000578: 35,3057 75221 BDSU SIGN
028672,000579: 35,3060 06522 DPHALF
028673,000580: 35,3061 00037 30D # CONTAINS RP-RA
028674,000581: 35,3062 77615 DAD
028675,000582: 35,3063 56205 DMP DDV
028676,000583: 35,3064 33641 TWOPI
028677,000584: 35,3065 77605 DMP
028678,000585: 35,3066 41257 SL* DMP
028679,000586: 35,3067 20176 0 -3,1
028680,000587: 35,3070 51406 PUSH ABS
028681,000588: 35,3071 50025 DSU BMN
028682,000589: 35,3072 03574 SECMAX
028683,000590: 35,3073 73077 OKMAX
028684,000591: 35,3074 75345 DLOAD SIGN # REPLACE TIME WITH MAX TIME SIGNED
028685,000592: 35,3075 03574 SECMAX
028686,000593: 35,3076 77606 PUSH
028687,000594: 35,3077 51135 OKMAX SLOAD BPL # TEST FIRST ITERATION
028688,000595: 35,3100 03614 TITER
028689,000596: 35,3101 73107 REPETE
028690,000597: 35,3102 71331 SSP DLOAD
028691,000598: 35,3103 03614 TITER
028692,000599: 35,3104 37777 OCT 37777
028693,000600: 35,3105 77650 GOTO
028694,000601: 35,3106 73145 STORDELT
028695,000602: 35,3107 41345 REPETE DLOAD DMP
028696,000603: 35,3110 03576 DELEL
028697,000604: 35,3111 00033 DELELO
028698,000605: 35,3112 71244 BPL DLOAD
028699,000606: 35,3113 73123 NEXTES
028700,000607: 35,3114 03574 SECMAX
028701,000608: 35,3115 77605 DMP
028702,000609: 35,3116 33645 THIRD
028703,000610: 35,3117 17574 STODL SECMAX
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Page 670 |
028705,000612: 35,3120 70446 ABS SR1 # CROSSED OVER SOLUTION
028706,000613: 35,3121 52076 DCOMP GOTO # DT=(-SIGN(DTO)//DT//)/2
028707,000614: 35,3122 73133 RESIGN
028708,000615: 35,3123 51545 NEXTES DLOAD ABS
028709,000616: 35,3124 03576 DELEL
028710,000617: 35,3125 51525 PDDL ABS
028711,000618: 35,3126 00033 DELELO
028712,000619: 35,3127 77625 DSU
028713,000620: 35,3130 71240 BMN DLOAD
028714,000621: 35,3131 73136 REVERS # WRONG DIRECTION
028715,000622: 35,3132 77646 ABS
028716,000623: 35,3133 52165 RESIGN SIGN GOTO
028717,000624: 35,3134 03606 DELTEEO
028718,000625: 35,3135 73145 STORDELT
028719,000626: 35,3136 57545 REVERS DLOAD DCOMP
028720,000627: 35,3137 03606 DELTEEO
028721,000628: 35,3140 70406 PUSH SR1
028722,000629: 35,3141 03606 STORE DELTEEO
028723,000630: 35,3142 77615 DAD
028724,000631: 35,3143 77650 GOTO
028725,000632: 35,3144 73146 ADTIME
028726,000633: 35,3145 03606 STORDELT STORE DELTEEO
028727,000634: 35,3146 77615 ADTIME DAD
028728,000635: 35,3147 02317 NOMTPI # SUM OF DELTA T:S
028729,000636: 35,3150 02317 STORE NOMTPI
028730,000637: 35,3151 63375 VLOAD PDVL
028731,000638: 35,3152 03506 VAPREC
028732,000639: 35,3153 03500 RAPREC
028733,000640: 35,3154 77624 CALL
028734,000641: 35,3155 73372 GOINT
028735,000642: 35,3156 77624 CALL
028736,000643: 35,3157 46425 ACTIVE # STORE NEW RACT3 VACT3
028737,000644: 35,3160 63375 VLOAD PDVL
028738,000645: 35,3161 03530 VPPREC
028739,000646: 35,3162 03522 RPPREC
028740,000647: 35,3163 77624 CALL
028741,000648: 35,3164 73372 GOINT
028742,000649: 35,3165 77624 CALL
028743,000650: 35,3166 46435 PASSIVE # STORE NEW RPASS3 VPASS3
028744,000651: 35,3167 77650 GOTO
028745,000652: 35,3170 72714 ELCALC
028746,000653: 35,3171 43345 ELEX DLOAD DAD
028747,000654: 35,3172 03636 TTPI
028748,000655: 35,3173 02317 NOMTPI
028749,000656: 35,3174 17636 STODL TTPI
028750,000657: 35,3175 77614 BON
028751,000658: 35,3176 01310 ETPIFLAG
028752,000659: 35,3177 73201 TIMEX
028753,000660: 35,3200 02257 STORE ELEV
028754,000661: 35,3201 52145 TIMEX DLOAD GOTO
![]() |
Page 671 |
028756,000663: 35,3202 06524 ZEROVECS
028757,000664: 35,3203 03463 NORMEX
028758,000665:
![]() |
Page 672 |
028760,000667: # ..... S34/35.1 .....
028761,000668:
028762,000669: # COMPUTE UNIT NORMAL AND LINE OF SIGHT VECTORS GIVEN THE ACTIVE AND
028763,000670: # PASSIVE POS AND VEL AT TIME T3
028764,000671:
028765,000672: 35,3204 52375 S34/35.1 VLOAD VSU
028766,000673: 35,3205 03552 RPASS3
028767,000674: 35,3206 03536 RACT3
028768,000675: 35,3207 41456 UNIT PUSH
028769,000676: 35,3210 26311 STOVL ULOS
028770,000677: 35,3211 03536 RACT3
028771,000678: 35,3212 53435 VXV UNIT
028772,000679: 35,3213 03544 VACT3
028773,000680: 35,3214 02261 STORE UNRM
028774,000681: 35,3215 77616 RVQ
028775,000682:
![]() |
Page 673 |
028777,000684: # ..... S34/35.2 .....
028778,000685:
028779,000686: # ADVANCE PASSIVE VEH TO RENDEZVOUS TIME AND GET REQ VEL FROM LAMBERT
028780,000687:
028781,000688: 35,3216 77220 S34/35.2 STQ VLOAD
028782,000689: 35,3217 03470 SUBEXIT
028783,000690: 35,3220 03560 VPASS3
028784,000691: 35,3221 65315 PDVL PDDL
028785,000692: 35,3222 03552 RPASS3
028786,000693: 35,3223 03610 INTIME
028787,000694: 35,3224 65325 PDDL PDDL
028788,000695: 35,3225 03631 TPASS4
028789,000696: 35,3226 33641 TWOPI # CONIC
028790,000697: 35,3227 46125 PDDL BHIZ
028791,000698: 35,3230 03467 NN
028792,000699: 35,3231 73235 S3435.23
028793,000700: 35,3232 77745 DLOAD
028794,000701: 35,3233 41545 DLOAD PUSH
028795,000702: 35,3234 06524 ZEROVECS # PRECISION
028796,000703: 35,3235 77624 S3435.23 CALL
028797,000704: 35,3236 73376 INTINT # GET TARGET VECTOR
028798,000705: 35,3237 27444 S3435.25 STOVL RTARG
028799,000706: 35,3240 00007 VATT
028800,000707: 35,3241 27506 STOVL VPASS4
028801,000708: 35,3242 03444 RTARG
028802,000709: # COMPUTE PHI = PI + (ACOS(UNIT RA.UNIT RP) - PI)SIGN(RA*RP.U)
028803,000710: 35,3243 63256 UNIT PDVL # UNIT RP
028804,000711: 35,3244 03536 RACT3
028805,000712: 35,3245 41456 UNIT PUSH # UNIT RA
028806,000713: 35,3246 50235 VXV DOT
028807,000714: 35,3247 00001 0D
028808,000715: 35,3250 02261 UNRM # RA*RP.U
028809,000716: 35,3251 77715 PDVL
028810,000717: 35,3252 72441 DOT SL1 # UNIT RA.UNIT RP
028811,000718: 35,3253 00001 0D
028812,000719: 35,3254 75326 ACOS SIGN
028813,000720: 35,3255 43244 BPL DAD
028814,000721: 35,3256 73260 NOPIE
028815,000722: 35,3257 06532 DPPOSMAX # REASONABLE TWO PI
028816,000723: 35,3260 15756 NOPIE STODL ACTCENT
028817,000724: 35,3261 03631 TPASS4
028818,000725: 35,3262 77625 DSU
028819,000726: 35,3263 03610 INTIME
028820,000727: 35,3264 03452 STORE DELLT4
028821,000728: 35,3265 40335 SLOAD SETPD
028822,000729: 35,3266 03467 NN # NUMBER OF OFFSETS
028823,000730: 35,3267 00001 0D
028824,000731: 35,3270 63325 PDDL PDVL
028825,000732: 35,3271 33653 EPSFOUR
028826,000733: 35,3272 03536 RACT3
028827,000734: 35,3273 26323 STOVL RINIT
![]() |
Page 674 |
028829,000736: 35,3274 03544 VACT3
028830,000737: 35,3275 36331 STCALL VINIT
028831,000738: 35,3276 22000 INITVEL
028832,000739: 35,3277 77624 CALL
028833,000740: 35,3300 73357 LOMAT
028834,000741: 35,3301 64375 VLOAD MXV
028835,000742: 35,3302 02366 DELVEET3
028836,000743: 35,3303 00001 0D
028837,000744: 35,3304 77772 VSL1
028838,000745: 35,3305 37434 STCALL DELVLVC
028839,000746: 35,3306 03470 SUBEXIT
028840,000747:
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Page 675 |
028842,000749: # ..... S34/35.3 .....
028843,000750:
028844,000751: 35,3307 45020 S34/35.3 STQ CALL
028845,000752: 35,3310 03463 NORMEX
028846,000753: 35,3311 73357 LOMAT # GET MATRIX IN PUSH LIST
028847,000754: 35,3312 61375 VLOAD VXM
028848,000755: 35,3313 03434 DELVLVC # NEW DEL V TPI
028849,000756: 35,3314 00001 0D
028850,000757: 35,3315 77772 VSL1
028851,000758: 35,3316 02366 STORE DELVEET3 # SAVE FOR TRANSFORM
028852,000759: 35,3317 63255 VAD PDVL
028853,000760: 35,3320 03544 VACT3 # NEW V REQ
028854,000761: 35,3321 03536 RACT3
028855,000762: 35,3322 65325 PDDL PDDL
028856,000763: 35,3323 03442 TIG
028857,000764: 35,3324 03631 TPASS4
028858,000765: 35,3325 41525 PDDL PUSH
028859,000766: 35,3326 06532 DPPOSMAX
028860,000767: 35,3327 77624 CALL # INTEG. FOR NEW TARGET VEC
028861,000768: 35,3330 73376 INTINT
028862,000769: 35,3331 77775 VLOAD
028863,000770: 35,3332 00001 RATT
028864,000771: 35,3333 03444 STORE RTARG
028865,000772: 35,3334 41575 NOVRWRT VLOAD PUSH
028866,000773: 35,3335 02311 ULOS
028867,000774: 35,3336 57435 VXV VCOMP
028868,000775: 35,3337 02261 UNRM
028869,000776: 35,3340 41456 UNIT PUSH
028870,000777: 35,3341 76435 VXV VSL1
028871,000778: 35,3342 02311 ULOS
028872,000779: 35,3343 77715 PDVL
028873,000780: 35,3344 64315 PDVL MXV
028874,000781: 35,3345 02366 DELVEET3
028875,000782: 35,3346 00001 0D
028876,000783: 35,3347 77772 VSL1
028877,000784: 35,3350 36303 STCALL DVLOS
028878,000785: 35,3351 03463 NORMEX
028879,000786:
![]() |
Page 676 |
028881,000788: # ..... S34/35.4 .....
028882,000789:
028883,000790: 35,3352 40220 S34/35.4 STQ SETPD # NO ASTRONAUT OVERWRITE
028884,000791: 35,3353 03463 NORMEX
028885,000792: 35,3354 00001 0D
028886,000793: 35,3355 77650 GOTO
028887,000794: 35,3356 73334 NOVRWRT
028888,000795:
![]() |
Page 677 |
028890,000797: # ..... LOMAT .....
028891,000798:
028892,000799: 35,3357 57575 LOMAT VLOAD VCOMP
028893,000800: 35,3360 02261 UNRM
028894,000801: 35,3361 24007 STOVL 6D # Y
028895,000802: 35,3362 03536 RACT3
028896,000803: 35,3363 57456 UNIT VCOMP
028897,000804: 35,3364 00015 STORE 12D
028898,000805: 35,3365 76435 VXV VSL1
028899,000806: 35,3366 02261 UNRM # Z*-Y
028900,000807: 35,3367 00001 STORE 0D
028901,000808: 35,3370 43401 SETPD RVQ
028902,000809: 35,3371 00023 18D
028903,000810: 35,3372 65325 GOINT PDDL PDDL # DO
028904,000811: 35,3373 06524 ZEROVECS # NOT
028905,000812: 35,3374 02317 NOMTPI
028906,000813: 35,3375 41406 PUSH PUSH # ORDER OR INSERT BEFORE INTINT
028907,000814: 35,3376 45020 INTINT STQ CALL
028908,000815: 35,3377 03465 RTRN
028909,000816: 35,3400 27412 INTSTALL
028910,000817: 35,3401 71214 CLEAR DLOAD
028911,000818: 35,3402 01673 INTYPFLG
028912,000819: 35,3403 43054 BZE SET
028913,000820: 35,3404 73406 +2
028914,000821: 35,3405 01473 INTYPFLG
028915,000822: 35,3406 45545 DLOAD STADR
028916,000823: 35,3407 63736 STODL TDEC1
028917,000824: 35,3410 73014 SET LXA,2
028918,000825: 35,3411 00063 MOONFLAG
028919,000826: 35,3412 02777 RTX2
028920,000827: 35,3413 43014 BON CLEAR
028921,000828: 35,3414 04303 CMOONFLG
028922,000829: 35,3415 73417 ALLSET
028923,000830: 35,3416 00263 MOONFLAG
028924,000831: 35,3417 25517 ALLSET STOVL TET
028925,000832: 35,3420 77657 VSR*
028926,000833: 35,3421 57176 0,2
028927,000834: 35,3422 25535 STOVL RCV
028928,000835: 35,3423 77657 VSR*
028929,000836: 35,3424 57176 0,2
028930,000837: 35,3425 35543 STCALL VCV
028931,000838: 35,3426 27110 INTEGRVS
028932,000839: 35,3427 52175 VLOAD GOTO
028933,000840: 35,3430 00001 RATT
028934,000841: 35,3431 03465 RTRN
028935,000842:
![]() |
Page 678 |
028937,000844: # ..... S34/35.5 .....
028938,000845: # SUBROUTINES USED
028939,000846: # BANKCALL
028940,000847: # GOFLASH
028941,000848: # GOTOPOOH
028942,000849: # S34/35.3
028943,000850: # S34/35.4
028944,000851: # VNPOOH
028945,000852:
028946,000853: 35,3432 43020 S34/35.5 STQ BON
028947,000854: 35,3433 03470 SUBEXIT
028948,000855: 35,3434 01311 FINALFLG
028949,000856: 35,3435 73441 FLAGON
028950,000857: 35,3436 52014 SET GOTO
028951,000858: 35,3437 00470 UPDATFLG
028952,000859: 35,3440 73505 FLAGOFF
028953,000860: 35,3441 77214 FLAGON CLEAR VLOAD
028954,000861: 35,3442 03274 NTARGFLG
028955,000862: 35,3443 03434 DELVLVC
028956,000863: 35,3444 01236 STORE GDT/2
028957,000864: 35,3445 77776 EXIT
028958,000865: 35,3446 33636 +5 CAF V06N81
028959,000866: 35,3447 04616 TC BANKCALL
028960,000867: 35,3450 20477 CADR GOFLASH
028961,000868: 35,3451 06001 TC GOTOPOOH
028962,000869: 35,3452 03454 TC +2 # PRO
028963,000870: 35,3453 03446 TC FLAGON +5 # LOAD
028964,000871: 35,3454 35016 +2 CA EBANK7
028965,000872: 35,3455 54003 TS EBANK # TO BE SURE
028966,000873:
028967,000874: 35,3456 22007 ZL
028968,000875: 35,3457 34756 CA FIVE
028969,000876: 35,3460 54002 NTARGCHK TS Q
028970,000877: 35,3461 50002 INDEX Q
028971,000878: 35,3462 41433 CS DELVLVC
028972,000879: 35,3463 50002 INDEX Q
028973,000880: 35,3464 61235 AD GDT/2
028974,000881: 35,3465 26001 ADS L
028975,000882: 35,3466 10002 CCS Q
028976,000883: 35,3467 13460 TCF NTARGCHK
028977,000884: 35,3470 22000 LXCH A
028978,000885: 35,3471 00006 EXTEND
028979,000886: 35,3472 13475 BZF +3
028980,000887: 35,3473 05504 TC UPFLAG
028981,000888: 35,3474 00146 ADRES NTARGFLG
028982,000889:
028983,000890: 35,3475 06042 TC INTPRET
028984,000891: 35,3476 45014 BOFF CALL
028985,000892: 35,3477 03354 NTARGFLG
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Page 679 |
028987,000894: 35,3500 73502 NOCHG
028988,000895: 35,3501 73307 S34/35.3
028989,000896: 35,3502 77775 NOCHG VLOAD
028990,000897: 35,3503 02366 DELVEET3
028991,000898: 35,3504 03656 STORE DELVSIN
028992,000899: 35,3505 77624 FLAGOFF CALL
028993,000900: 35,3506 73352 S34/35.4
028994,000901: 35,3507 77776 EXIT
028995,000902: 35,3510 33635 CAF V06N59
028996,000903: 35,3511 03621 TC VNPOOH
028997,000904: 35,3512 06042 TC INTPRET
028998,000905: 35,3513 77650 GOTO
028999,000906: 35,3514 03470 SUBEXIT
029000,000907:
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Page 680 |
029002,000909: # ..... VN1645 .....
029003,000910:
029004,000911: # SUBROUTINES USED
029005,000912: # P3XORP7X
029006,000913: # GET+MGA
029007,000914: # BANKCALL
029008,000915: # DELAYJOB
029009,000916: # COMPTGO
029010,000917: # GOFLASHR
029011,000918: # GOTOPOOH
029012,000919: # FLAGUP
029013,000920:
029014,000921: 35,3515 71220 VN1645 STQ DLOAD
029015,000922: 35,3516 03470 SUBEXIT
029016,000923: 35,3517 33651 DP-.01
029017,000924: 35,3520 02253 STORE +MGA # MGA = -.01
029018,000925: 35,3521 71214 BOFF DLOAD
029019,000926: 35,3522 01351 FINALFLG
029020,000927: 35,3523 73543 GET45
029021,000928: 35,3524 33651 DP-.01
029022,000929: 35,3525 77615 DAD
029023,000930: 35,3526 33651 DP-.01
029024,000931: 35,3527 02253 STORE +MGA # MGA = -.02
029025,000932: 35,3530 77414 BOFF EXIT
029026,000933: 35,3531 01742 REFSMFLG
029027,000934: 35,3532 73543 GET45
029028,000935: 35,3533 03613 TC P3XORP7X
029029,000936: 35,3534 03536 TC +2 # P3X
029030,000937: 35,3535 03544 TC GET45 +1 # P7X
029031,000938: 35,3536 06042 TC INTPRET
029032,000939: 35,3537 41575 VLOAD PUSH
029033,000940: 35,3540 03656 DELVSIN
029034,000941: 35,3541 77624 CALL # COMPUTE MGA
029035,000942: 35,3542 15725 GET+MGA
029036,000943: 35,3543 77776 GET45 EXIT
029037,000944: 35,3544 02437 TC COMPTGO # INITIATE TASK TO UPDATE TTOGO
029038,000945: 35,3545 31470 CA SUBEXIT
029039,000946: 35,3546 55464 TS QSAVED
029040,000947: 35,3547 34777 CAF 1SEC
029041,000948: 35,3550 04616 TC BANKCALL
029042,000949: 35,3551 01736 CADR DELAYJOB
029043,000950: 35,3552 33637 CAF V16N45 # TRKMKCNT, TTOGO, +MGA
029044,000951: 35,3553 04616 TC BANKCALL
029045,000952: 35,3554 20477 CADR GOFLASH
029046,000953: 35,3555 03560 TC KILCLOCK # TERMINATE
029047,000954: 35,3556 03563 TC N45PROC # PROCEED
029048,000955: 35,3557 03573 TC CLUPDATE # RECYCLE - RETURN FOR INITIAL COMPUTATION
029049,000956: 35,3560 30005 KILCLOCK CA Z
029050,000957: 35,3561 55162 TS DISPDEX
![]() |
Page 681 |
029052,000959: 35,3562 06001 TC GOTOPOOH
029053,000960: 35,3563 40076 N45PROC CS FLAGWRD2
029054,000961: 35,3564 74746 MASK BIT6
029055,000962: 35,3565 00006 EXTEND
029056,000963: 35,3566 13560 BZF KILCLOCK # FINALFLG IS SET - FLASH V37 - AWAIT NEW PGM
029057,000964: 35,3567 05353 TC PHASCHNG
029058,000965: 35,3570 04024 OCT 04024
029059,000966: 35,3571 05504 TC UPFLAG # SET
029060,000967: 35,3572 00047 ADRES FINALFLG # FINALFLG
029061,000968: 35,3573 30005 CLUPDATE CA Z
029062,000969: 35,3574 55162 TS DISPDEX
029063,000970: 35,3575 05353 TC PHASCHNG
029064,000971: 35,3576 04024 OCT 04024
029065,000972: 35,3577 06042 TC INTPRET
029066,000973: 35,3600 52014 CLEAR GOTO
029067,000974: 35,3601 00670 UPDATFLG
029068,000975: 35,3602 03464 QSAVED
029069,000976:
![]() |
Page 682 |
029071,000978: # ..... DISPLAYE .....
029072,000979:
029073,000980: # SUBROUTINES USED
029074,000981: # BANKCALL
029075,000982: # GOFLASHR
029076,000983: # GOTOPOOH
029077,000984: # BLANKET
029078,000985: # ENDOFJOB
029079,000986:
029080,000987: 35,3603 00006 DISPLAYE EXTEND
029081,000988: 35,3604 23463 QXCH NORMEX
029082,000989: 35,3605 33633 CAF V06N55
029083,000990: 35,3606 04616 TCR BANKCALL
029084,000991: 35,3607 20477 CADR GOFLASH
029085,000992: 35,3610 16001 TCF GOTOPOOH
029086,000993: 35,3611 01463 TC NORMEX
029087,000994: 35,3612 13605 TCF -5
029088,000995:
![]() |
Page 683 |
029090,000997: # ..... P3XORP7X .....
029091,000998:
029092,000999: 35,3613 37747 P3XORP7X CAF HIGH9
029093,001000: 35,3614 71010 MASK MODREG
029094,001001: 35,3615 00006 EXTEND
029095,001002: 35,3616 13620 BZF +2
029096,001003: 35,3617 24002 INCR Q
029097,001004: 35,3620 00002 RETURN
029098,001005:
029099,001006: # ..... VNPOOH .....
029100,001007:
029101,001008: # SUBROUTINES USED
029102,001009: # BANKCALL
029103,001010: # GOFLASH
029104,001011: # GOTOPOOH
029105,001012:
029106,001013: 35,3621 00006 VNPOOH EXTEND
029107,001014: 35,3622 23465 QXCH RTRN
029108,001015: 35,3623 55615 TS VERBNOUN
029109,001016: 35,3624 31615 CA VERBNOUN
029110,001017: 35,3625 04616 TCR BANKCALL
029111,001018: 35,3626 20477 CADR GOFLASH
029112,001019: 35,3627 16001 TCF GOTOPOOH
029113,001020: 35,3630 01465 TC RTRN
029114,001021: 35,3631 13624 TCF -5
029115,001022:
![]() |
Page 684 |
029117,001024: # ..... CONSTANTS .....
029118,001025:
029119,001026: 35,3632 01445 V06N37 VN 0637
029120,001027: 35,3633 01467 V06N55 VN 0655
029121,001028: 35,3634 01472 V06N58 VN 0658
029122,001029: 35,3635 01473 V06N59 VN 0659
029123,001030: 35,3636 01521 V06N81 VN 0681
029124,001031: 35,3637 04055 V16N45 VN 1645
029125,001032: 35,3640 14441 37325 TWOPI 2DEC 6.283185307 B-4
029126,001033:
029127,001034: 35,3642 00001 20650 MAX250 2DEC 25 E3
029128,001035:
029129,001036: 35,3644 12525 12525 THIRD 2DEC .333333333
029130,001037:
029131,001038: 35,3646 00004 21505 ELEPS 2DEC .27777777 E-3
029132,001039:
029133,001040: 35,3650 77777 DP-.01 OCT 77777 # CONSTANTS
029134,001041: 35,3651 61337 OCT 61337 # ADJACENT -.01 FOR MGA DSP
029135,001042: 35,3652 01252 25253 EPSFOUR 2DEC .0416666666
029136,001043:
029137,001044: 35,3654 13434 16162 130DEG 2DEC .3611111111
029138,001045:
![]() |
Page 685 |
029140,001047: # ..... INITVEL .....
029141,001048:
029142,001049: # MOD NO -1 LOG SECTION - P34-P35, P74-P75
029143,001050: # MOD BY WHITE.P DATE 21NOV67
029144,001051:
029145,001052: # FUNCTIONAL DESCRIPTION
029146,001053:
029147,001054: # THIS SUBROUTINE COMPUTES THE REQUIRED INITIAL VELOCITY VECTOR FOR
029148,001055: # A TRAJECTORY OF SPECIFIED TRANSFER TIME BETWEEN SPECIFIED INITIAL
029149,001056: # AND TARGET POSITIONS. THE TRAJECTORY MAY BE EITHER CONIC OR
029150,001057: # PRECISION DEPENDING ON AN INPUT PARAMETER (NAMELY, NUMBER OF
029151,001058: # OFFSETS). IN ADDITION, IN THE PRECISION TRAJECTORY CASE, THE
029152,001059: # SUBROUTINE ALSO COMPUTES AN OFFSET TARGET VECTOR, TO BE USED
029153,001060: # DURING PURE-CONIC CROSS-PRODUCT STEERING. THE OFFSET TARGET
029154,001061: # VECTOR IS THE TERMINAL POSITION VECTOR OF A CONIC TRAJECTORY WHICH
029155,001062: # HAS THE SAME INITIAL STATE AS A PRECISION TRAJECTORY WHOSE
029156,001063: # TERMINAL POSITION VECTOR IS THE SPECIFIED TARGET VECTOR.
029157,001064:
029158,001065: # IN ORDER TO AVOID THE INHERENT SINGULARITIES IN THE 180 DEGREE
029159,001066: # TRANSFER CASE WHEN THE (TRUE OR OFFSET) TARGET VECTOR MAY BE
029160,001067: # SLIGHTLY OUT OF THE ORBITAL PLANE, THIS SUBROUTINE ROTATES THIS
029161,001068: # VECTOR INTO A PLANE DEFINED BY THE INPUT INITIAL POSITION VECTOR
029162,001069: # AND ANOTHER INPUT VECTOR (USUALLY THE INITIAL VELOCITY VECTOR),
029163,001070: # WHENEVER THE INPUT TARGET VECTOR LIES INSIDE A CONE WHOSE VERTEX
029164,001071: # IS THE ORIGIN OF COORDINATES, WHOSE AXIS IS THE 180 DEGREE
029165,001072: # TRANSFER DIRECTION, AND WHOSE CONE ANGLE IS SPECIFIED BY THE USER.
029166,001073:
029167,001074: # THE LAMBERT SUBROUTINE IS UTILIZED FOR THE CONIC COMPUTATIONS AND
029168,001075: # THE COASTING INTEGRATION SUBROUTINE IS UTILIZED FOR THE PRECISION
029169,001076: # TRAJECTORY COMPUTATIONS.
029170,001077:
029171,001078: # CALLING SEQUENCE
029172,001079:
029173,001080: # L CALL
029174,001081: # L+1 INITVEL
029175,001082: # L+2 (RETURN - ALWAYS)
029176,001083:
029177,001084: # INPUT
029178,001085:
029179,001086: # (1) RINIT INITIAL POSITION RADIUS VECTOR
029180,001087: # (2) VINIT INITIAL POSITION VELOCITY VECTOR
029181,001088: # (3) RTARG TARGET POSITION RADIUS VECTOR
029182,001089: # (4) DELLT4 DESIRED TIME OF FLIGHT FROM RINIT TO RTARG
029183,001090: # (5) INTIME TIME OF RINIT
029184,001091: # (6) 0D NUMBER OF ITERATIONS OF LAMBERT/INTEGRVS
029185,001092: # (7) 2D ANGLE TO 180 DEGREES WHEN ROTATION STARTS
029186,001093: # (8) RTX1 -2 FOR EARTH, -10D FOR LUNAR
029187,001094: # (9) RTX2 COORDINATE SYSTEM ORIGIN - 0 FOR EARTH, 2 FOR LUNAR
029188,001095: # PUSHLOC SET AT 4D
029189,001096:
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Page 686 |
029191,001098: # OUTPUT
029192,001099:
029193,001100: # (1) RTARG OFFSET TARGET POSITION VECTOR
029194,001101: # (2) VIPRIME MANEUVER VELOCITY REQUIRED
029195,001102: # (3) VTPRIME VELOCITY AT TARGET AFTER MANEUVER
029196,001103: # (4) DELVEET3 DELTA VELOCITY REQUIRED FOR MANEUVER
029197,001104:
029198,001105: # SUBROUTINES USED
029199,001106:
029200,001107: # LAMBERT
029201,001108: # INTSTALL
029202,001109: # INTEGRVS
029203,001110:
029204,001111: 11,2000 SETLOC INTVEL
029205,001112: 11,2000 BANK
029206,001113:
029207,001114: 11,2000 COUNT* $$/INITV
029208,001115: 11,2000 77614 INITVEL SET # COGA GUESS NOT AVAILABLE
029209,001116: 11,2001 00475 GUESSW
029210,001117: 11,2002 44175 HAVEGUES VLOAD STQ
029211,001118: 11,2003 03444 RTARG
029212,001119: 11,2004 03463 NORMEX
029213,001120: 11,2005 03472 STORE RTARG1
029214,001121: 11,2006 77646 ABVAL
029215,001122: 11,2007 03723 STORE RTMAG
029216,001123: 11,2010 46135 SLOAD BHIZ
029217,001124: 11,2011 03000 RTX2
029218,001125: 11,2012 22026 INITVEL1
029219,001126: 11,2013 72575 VLOAD VSL2
029220,001127: 11,2014 02323 RINIT # B29
029221,001128: 11,2015 26323 STOVL RINIT # B27
029222,001129: 11,2016 02331 VINIT # B7
029223,001130: 11,2017 77752 VSL2
029224,001131: 11,2020 26331 STOVL VINIT # B5
029225,001132: 11,2021 03472 RTARG1
029226,001133: 11,2022 77752 VSL2
029227,001134: 11,2023 03472 STORE RTARG1
029228,001135: 11,2024 77646 ABVAL
029229,001136: 11,2025 03723 STORE RTMAG
029230,001137:
029231,001138: # INITIALIZATION
029232,001139:
029233,001140: 11,2026 71331 INITVEL1 SSP DLOAD # SET ITCTR TO -1,LOAD MPAC WITH E4 (PL 2D)
029234,001141: 11,2027 03617 ITCTR
029235,001142: 11,2030 77776 0 -1
029236,001143: 11,2031 70546 COSINE SR1 # CALCULATE COSINE (E4) (+2)
029237,001144: 11,2032 17667 STODL COZY4 # SET COZY4 TO COSINE (E4) (PL 0D)
029238,001145: 11,2033 67154 LXA,2 SXA,2
029239,001146: 11,2034 00154 MPAC
029240,001147: 11,2035 02701 VTARGTAG # SET VTARGTAG TO 0D (SP)
029241,001148: 11,2036 77775 VLOAD
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Page 687 |
029243,001150: 11,2037 02323 RINIT
029244,001151: 11,2040 26655 STOVL R1VEC # R1VEC EQ RINIT
029245,001152: 11,2041 03472 RTARG1
029246,001153: 11,2042 16663 STODL R2VEC # R2VEC EQ RTARG
029247,001154: 11,2043 03452 DELLT4
029248,001155: 11,2044 02671 STORE TDESIRED # TDESIRED EQ DELLT4
029249,001156: 11,2045 77201 SETPD VLOAD
029250,001157: 11,2046 00001 0D # INITIALIZE PL TO 0D
029251,001158: 11,2047 02323 RINIT # MPAC EQ RINIT (+29)
029252,001159: 11,2050 41456 UNIT PUSH # UNIT(RI) (+1) (PL 6D)
029253,001160: 11,2051 53435 VXV UNIT
029254,001161: 11,2052 02331 VINIT # MPAC EQ UNIT(RI) X VI (+8)
029255,001162: 11,2053 26674 STOVL UN
029256,001163: 11,2054 03472 RTARG1
029257,001164: 11,2055 50256 UNIT DOT # TEMP=URT.URI (+2) (PL 0D)
029258,001165: 11,2056 43015 DAD CLEAR
029259,001166: 11,2057 03667 COZY4
029260,001167: 11,2060 03665 NORMSW
029261,001168: 11,2061 03667 STORE COZY4
029262,001169: 11,2062 43044 INITVEL2 BPL SET
029263,001170: 11,2063 22105 INITVEL3 # UN CALCULATED IN LAMBERT
029264,001171: 11,2064 03465 NORMSW
029265,001172:
029266,001173: # ROTATE RC INTO YC PLANE - SET UNIT NORMAL TO YC
029267,001174:
029268,001175: 11,2065 41575 VLOAD PUSH # (PL 6D)
029269,001176: 11,2066 02663 R2VEC # RC TO 6D (+29)
029270,001177: 11,2067 63246 ABVAL PDVL # RC TO MPAC, ABVAL(RC) (+29) TO OD (PL 2D)
029271,001178: 11,2070 46206 PUSH VPROJ # (PL 8D)
029272,001179: 11,2071 02674 UN
029273,001180: 11,2072 51352 VSL2 BVSU
029274,001181: 11,2073 74256 UNIT VXSC # (PL 0D)
029275,001182: 11,2074 77772 VSL1
029276,001183: 11,2075 02663 STORE R2VEC
029277,001184: 11,2076 67351 TLOAD SLOAD
029278,001185: 11,2077 24007 ZEROVEC
029279,001186: 11,2100 03617 ITCTR
029280,001187: 11,2101 77244 BPL VLOAD
029281,001188: 11,2102 22105 INITVEL3
029282,001189: 11,2103 02663 R2VEC
029283,001190: 11,2104 03472 STORE RTARG1
029284,001191: 11,2105 63345 INITVEL3 DLOAD PDVL # (PL 2D)
029285,001192: 11,2106 26007 MUEARTH # POSITIVE VALUE
029286,001193: 11,2107 02663 R2VEC
029287,001194: 11,2110 63256 UNIT PDVL # 2D = UNIT(R2VEC) (PL 8D)
029288,001195: 11,2111 02655 R1VEC
029289,001196: 11,2112 41456 UNIT PUSH # 8D = UNIT(R1VEC) (PL 14D)
029290,001197: 11,2113 57435 VXV VCOMP # -N = UNIT(R2VEC) X UNIT(R1VEC)
029291,001198: 11,2114 00003 2D
029292,001199: 11,2115 77606 PUSH # (PL 20D)
029293,001200: 11,2116 71350 LXA,1 DLOAD
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Page 688 |
029295,001202: 11,2117 02776 RTX1
029296,001203: 11,2120 00023 18D
029297,001204: 11,2121 62040 BMN INCR,1
029298,001205: 11,2122 22124 +2
029299,001206: 11,2123 77767 DEC -8 B-14
029300,001207: 11,2124 67310 INCR,1 SLOAD
029301,001208: 11,2125 00012 10D
029302,001209: 11,2126 00047 X1
029303,001210: 11,2127 77230 BHIZ VLOAD # (PL 14D)
029304,001211: 11,2130 22132 +2
029305,001212: 11,2131 41476 VCOMP PUSH # (PL 20D)
029306,001213: 11,2132 77775 VLOAD # (PL 14D)
029307,001214: 11,2133 50235 VXV DOT # (PL 2D)
029308,001215: 11,2134 71244 BPL DLOAD # (PL 0D)
029309,001216: 11,2135 22137 INITVEL4
029310,001217: 11,2136 41476 DCOMP PUSH # (PL 2D)
029311,001218: 11,2137 67154 INITVEL4 LXA,2 SXA,2
029312,001219: 11,2140 00000 0D
029313,001220: 11,2141 02672 GEOMSGN
029314,001221:
029315,001222: # SET INPUTS UP FOR LAMBERT
029316,001223:
029317,001224: 11,2142 66350 LXA,1 SSP
029318,001225: 11,2143 02776 RTX1
029319,001226: 11,2144 00027 ITERCTR
029320,001227: 11,2145 00024 20D
029321,001228:
029322,001229: # OPERATE THE LAMBERT CONIC ROUTINE (COASTFLT SUBROUTINE)
029323,001230:
029324,001231: 11,2146 77624 CALL
029325,001232: 11,2147 25212 LAMBERT
029326,001233:
029327,001234: # ARRIVED AT SOLUTION IS GOOD ENOUGH ACCORDING TO SLIGHTLY WIDER BOUNDS.
029328,001235:
029329,001236: 11,2150 77214 CLEAR VLOAD
029330,001237: 11,2151 00675 GUESSW
029331,001238: 11,2152 02744 VVEC
029332,001239:
029333,001240: # STORE CALCULATED INITIAL VELOCITY REQUIRED IN VIPRIME
029334,001241:
029335,001242: 11,2153 16337 STODL VIPRIME # INITIAL VELOCITY REQUIRED (+7)
029336,001243:
029337,001244: # IF NUMIT IS ZERO, CONTINUE AT INITVELB, OTHERWISE
029338,001245: # SET UP INPUTS FOR ENCKE INTEGRATION (INTEGRVS).
029339,001246:
029340,001247: 11,2154 02702 VTARGTAG
029341,001248: 11,2155 45030 BHIZ CALL
029342,001249: 11,2156 22233 INITVEL7
029343,001250: 11,2157 27412 INTSTALL
029344,001251: 11,2160 43135 SLOAD CLEAR
029345,001252: 11,2161 03000 RTX2
029346,001253: 11,2162 00263 MOONFLAG
029347,001254: 11,2163 43030 BHIZ SET
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Page 689 |
029349,001256: 11,2164 22166 INITVEL5
029350,001257: 11,2165 00063 MOONFLAG
029351,001258: 11,2166 77775 INITVEL5 VLOAD
029352,001259: 11,2167 02323 RINIT
029353,001260: 11,2170 02655 STORE R1VEC
029354,001261: 11,2171 25535 STOVL RCV
029355,001262: 11,2172 02337 VIPRIME
029356,001263: 11,2173 15543 STODL VCV
029357,001264: 11,2174 03610 INTIME
029358,001265: 11,2175 01517 STORE TET
029359,001266: 11,2176 43015 DAD CLEAR
029360,001267: 11,2177 03452 DELLT4
029361,001268: 11,2200 01673 INTYPFLG
029362,001269: 11,2201 34041 STCALL TDEC1
029363,001270: 11,2202 27110 INTEGRVS
029364,001271: 11,2203 77775 VLOAD
029365,001272: 11,2204 00025 VATT1
029366,001273: 11,2205 02703 STORE VTARGET
029367,001274:
029368,001275: # IF ITERATION COUNTER (ITCTR) EQ NO. ITERATIONS (NUMIT), CONTINUE AT
029369,001276: # INITVELC, OTHERWISE REITERATE LAMBERT AND ENCKE
029370,001277:
029371,001278: 11,2206 63154 LXA,2 INCR,2
029372,001279: 11,2207 03616 ITCTR
029373,001280: 11,2210 00001 1D # INCREMENT ITCTR
029374,001281: 11,2211 55134 SXA,2 XSU,2
029375,001282: 11,2212 03616 ITCTR
029376,001283: 11,2213 02701 VTARGTAG
029377,001284: 11,2214 46135 SLOAD BHIZ # IF SP(MPAC) EQ 0, CONTINUE AT INITVELC
029378,001285: 11,2215 00050 X2
029379,001286: 11,2216 22230 INITVEL6
029380,001287:
029381,001288: # OFFSET CONIC TARGET VECTOR
029382,001289:
029383,001290: 11,2217 52375 VLOAD VSU
029384,001291: 11,2220 03472 RTARG1
029385,001292: 11,2221 00017 RATT1
029386,001293: 11,2222 77655 VAD
029387,001294: 11,2223 02663 R2VEC
029388,001295: 11,2224 16663 STODL R2VEC
029389,001296: 11,2225 03667 COZY4
029390,001297: 11,2226 77650 GOTO
029391,001298: 11,2227 22062 INITVEL2 # CONTINUE ITERATING AT INITVEL2
029392,001299:
029393,001300: # COMPUTE THE DELTA VELOCITY
029394,001301:
029395,001302: 11,2230 77775 INITVEL6 VLOAD
029396,001303: 11,2231 02663 R2VEC
029397,001304: 11,2232 03472 STORE RTARG1
029398,001305: 11,2233 52375 INITVEL7 VLOAD VSU
029399,001306: 11,2234 02337 VIPRIME
029400,001307: 11,2235 02331 VINIT
![]() |
Page 690 |
029402,001309: 11,2236 26366 STOVL DELVEET3 # DELVEET3 = VIPRIME-VINIT (+7)
029403,001310: 11,2237 02703 VTARGET
029404,001311: 11,2240 03566 STORE VTPRIME
029405,001312: 11,2241 46135 SLOAD BHIZ
029406,001313: 11,2242 03000 RTX2
029407,001314: 11,2243 22260 INITVELX
029408,001315: 11,2244 70575 VLOAD VSR2
029409,001316: 11,2245 03566 VTPRIME
029410,001317: 11,2246 27566 STOVL VTPRIME
029411,001318: 11,2247 02337 VIPRIME
029412,001319: 11,2250 77742 VSR2
029413,001320: 11,2251 26337 STOVL VIPRIME
029414,001321: 11,2252 03472 RTARG1
029415,001322: 11,2253 77742 VSR2
029416,001323: 11,2254 27472 STOVL RTARG1
029417,001324: 11,2255 02366 DELVEET3
029418,001325: 11,2256 77742 VSR2
029419,001326: 11,2257 02366 STORE DELVEET3
029420,001327: 11,2260 70750 INITVELX LXA,1 DLOAD*
029421,001328: 11,2261 02776 RTX1
029422,001329: 11,2262 10003 MUTABLE -2,1
029423,001330: 11,2263 41206 PUSH DMP
029424,001331: 11,2264 02742 R1A
029425,001332: 11,2265 56342 SR1 DDV
029426,001333: 11,2266 00041 R1
029427,001334: 11,2267 17721 STODL MU/A
029428,001335: 11,2270 77661 SR
029429,001336: 11,2271 20607 6
029430,001337: 11,2272 03717 STORE MUASTEER
029431,001338: 11,2273 77201 SETPD VLOAD
029432,001339: 11,2274 00001 0D
029433,001340: 11,2275 03472 RTARG1
029434,001341: 11,2276 03444 STORE RTARG
029435,001342: 11,2277 52014 CLEAR GOTO
029436,001343: 11,2300 01267 XDELVFLG
029437,001344: 11,2301 03463 NORMEX
029438,001345:
029439,001346: # ..... END OF INITVEL ROUTINE .....
029440,001347:
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Page 691 |
029442,001349: # ..... MIDGIM .....
029443,001350:
029444,001351: # MOD NO. 0, BY WILLMAN, SUBROUTINE RENDGUID, LOG P34-P35, P74-P75
029445,001352: # REVISION 03, 17 FEB 67
029446,001353:
029447,001354: # IF THE ACTIVE VEHICLE IS DOING THE COMPUTATION, MIDGIM COMPUTES
029448,001355: # THE POSITIVE MIDDLE GIMBAL ANGLE OF THE ACTIVE VEHICLE TO THE INPUT
029449,001356: # DELTA VELOCITY VECTOR (0D IN PUSH LIST), OTHERWISE
029450,001357: # MIDGIM CONVERTS THE INPUT DELTA VELOCITY VECTOR FROM INERTIAL COORDIN-
029451,001358: # ATES TO LOCAL VERTICAL COORDINATES OF THE ACTIVE VEHICLE.
029452,001359:
029453,001360: # .. INPUTS ..
029454,001361:
029455,001362: # NAME MEANING UNITS/SCALING/MODE
029456,001363:
029457,001364: # AVFLAG INT FLAG - 0 IS CSM ACTIVE, 1 IS LEM ACTIVE BIT
029458,001365: # RINIT ACTIVE VEHICLE RADIUS VECTOR METERS/CSEC (+7) VT
029459,001366: # VINIT ACTIVE VEHICLE VELOCITY VECTOR METERS/CSEC (+7) VT
029460,001367: # 0D(PL) ACTIVE VEHICLE DELTA VELOCITY VECTOR METERS/CSEC (+7) VT
029461,001368:
029462,001369: # .. OUTPUTS ..
029463,001370:
029464,001371: # NAME MEANING UNITS/SCALING/MODE
029465,001372:
029466,001373: # +MGA + MIDDLE GIMBAL ANGLE REVOLUTIONS (+0) DP
029467,001374: # DELVLVC DELTA VELOCITY VECTOR IN LV COORD. METERS/CSEC (+7) VT
029468,001375: # MGLVFLAG INT FLAG - 0 IS +MGA COMPUTED, 1 IS DELVLVC COMP. - BIT
029469,001376:
029470,001377: # .. CALLING SEQUENCE ..
029471,001378:
029472,001379: # L CALL
029473,001380: # L+1 MIDGIM
029474,001381: # L+2 (RETURN - ALWAYS)
029475,001382:
029476,001383: # .. NO SUBROUTINES CALLED ..
029477,001384:
029478,001385: # .. DEBRIS - ERASEABLE TEMPORARY USAGE
029479,001386:
029480,001387: # A,Q,L, PUSH LIST, MPAC.
029481,001388:
029482,001389: # .. ALARMS - NONE ..
029483,001390:
![]() |
Page 692 |
029485,001392: # MIDDLE GIMBAL ANGLE COMPUTATION.
029486,001393:
029487,001394: 06,2000 SETLOC MIDDGIM
029488,001395: 06,2000 BANK
029489,001396:
029490,001397: 06,3723 COUNT* $$/MIDG
029491,001398:
029492,001399: 06,3723 20000 00000 HALFREV 2DEC 1 B-1
029493,001400:
029494,001401: 06,3725 53575 GET+MGA VLOAD UNIT # (PL 0D) V (+7) TO MPAC, UNITIZE UV (+1)
029495,001402: 06,3726 77656 UNIT
029496,001403: 06,3727 72441 DOT SL1 # DOT UV WITH Y(STABLE MEMBER) AND RESCALE
029497,001404: 06,3730 01742 REFSMMAT +6 # FROM +2 TO +1 FOR ASIN ROUTINE
029498,001405: 06,3731 51136 ARCSIN BPL
029499,001406: 06,3732 15736 SETMGA
029500,001407: 06,3733 43215 DAD DAD # CONVERT -MGA TO +MGA BY
029501,001408: 06,3734 15724 HALFREV # ADDING ONE REVOLUTION
029502,001409: 06,3735 15724 HALFREV
029503,001410: 06,3736 02253 SETMGA STORE +MGA
029504,001411: 06,3737 43414 CLR RVQ # CLEAR MGLVFLAG TO INDICATE +MGA CALC
029505,001412: 06,3740 02675 MGLVFLAG # AND EXIT
029506,001413: 06,3741 53575 GET.LVC VLOAD UNIT # (PL 6D) R (+29) IN MPAC, UNITIZE UR
029507,001414: 06,3742 02323 RINIT
029508,001415: 06,3743 77676 VCOMP # U(-R)
029509,001416: 06,3744 00023 STORE 18D # U(-R) TO 18D
029510,001417: 06,3745 53435 VXV UNIT # U(-R)*V EQ V*U(R), U(V*R)
029511,001418: 06,3746 02331 VINIT
029512,001419: 06,3747 00015 STORE 12D # U(V*R) TO 12D
029513,001420: 06,3750 53435 VXV UNIT # U(V*R)*U(-R), U((V*R)*(-R))
029514,001421: 06,3751 00023 18D
029515,001422: 06,3752 24007 STOVL 6D # TRANSFORMATION MATRIX IS IN 6D (+1)
029516,001423: 06,3753 00001 0D # DELTA V (+7) IN 0D
029517,001424: 06,3754 76521 MXV VSL1 # CONVERT FROM INER COOR TO LV COOR (+8)
029518,001425: 06,3755 00007 6D # AND SCALE +7 IN MPAC
029519,001426: 06,3756 03434 STORE DELVLVC # STORE IN DELVLVC (+7)
029520,001427: 06,3757 43414 SET RVQ # SET MGLVFLAG TO INDICATE LVC CALC
029521,001428: 06,3760 02475 MGLVFLAG # AND EXIT
029522,001429:
029523,001430: # ..... END OF MIDGIM ROUTINE .....
029524,001431:
![]() |
Page 693 |
029526,001433: 10,2000 BANK 10
029527,001434: 10,2000 SETLOC SLCTMU
029528,001435: 10,2000 BANK
029529,001436: 10,2000 COUNT* $$/MIDG
029530,001437:
029531,001438: 10,2000 77160 SELECTMU AXC,1 AXT,2
029532,001439: 10,2001 00002 2D
029533,001440: 10,2002 00000 0D
029534,001441: 10,2003 77614 BOFF
029535,001442: 10,2004 04343 CMOONFLG
029536,001443: 10,2005 20011 SETMUER
029537,001444: 10,2006 77160 AXC,1 AXT,2
029538,001445: 10,2007 00012 10D
029539,001446: 10,2010 00002 2D
029540,001447: 10,2011 66143 SETMUER DLOAD* SXA,1
029541,001448: 10,2012 10011 MUTABLE +4,1
029542,001449: 10,2013 02776 RTX1
029543,001450: 10,2014 22317 STODL* RTSR1/MU
029544,001451: 10,2015 10003 MUTABLE -2,1
029545,001452: 10,2016 54214 BOFF SR
029546,001453: 10,2017 04343 CMOONFLG
029547,001454: 10,2020 20022 RTRNMU
029548,001455: 10,2021 20607 6D
029549,001456: 10,2022 02321 RTRNMU STORE RTMU
029550,001457: 10,2023 43134 SXA,2 CLEAR
029551,001458: 10,2024 02777 RTX2
029552,001459: 10,2025 01271 FINALFLG
029553,001460: 10,2026 77650 GOTO
029554,001461: 10,2027 73515 VN1645
029555,001462:
![]() |
Page 694 |
029557,001464: # ..... PERIAPO .....
029558,001465:
029559,001466: # MOD NO -1 LOG SECTION - P34-P35, P74-P75
029560,001467: # MOD BY WHITE.P DATE 18JAN68
029561,001468:
029562,001469: # FUNCTIONAL DESCRIPTION
029563,001470:
029564,001471: # THIS SUBROUTINE COMPUTES THE TWO BODY APOCENTER AND PERICENTER
029565,001472: # ALTITUDES GIVEN THE POSITION AND VELOCITY VECTORS FOR A POINT ON
029566,001473: # THE TRAJECTORY AND THE PRIMARY BODY.
029567,001474:
029568,001475: # SETRAD IS CALLED TO DETERMINE THE RADIUS OF THE PRIMARY BODY.
029569,001476:
029570,001477: # APSIDES IS CALLED TO SOLVE FOR THE TWO BODY RADII OF APOCENTER AND
029571,001478: # PERICENTER AND THE ECCENTRICITY OF THE TRAJECTORY.
029572,001479:
029573,001480: # CALLING SEQUENCE
029574,001481:
029575,001482: # L CALL
029576,001483: # L+1 PERIAPO
029577,001484: # L+2 (RETURN - ALWAYS)
029578,001485:
029579,001486: # INPUT
029580,001487:
029581,001488: # (1) RVEC POSITION VECTOR IN METERS
029582,001489: # SCALE FACTOR - EARTH +29, MOON +27
029583,001490: # (2) VVEC VELOCITY VECTOR IN METERS/CENTISECOND
029584,001491: # SCALE FACTOR - EARTH +7, MOON +5
029585,001492: # (3) X1 PRIMARY BODY INDICATOR
029586,001493: # EARTH -2, MOON -10
029587,001494:
029588,001495: # OUTPUT
029589,001496:
029590,001497: # (1) 2D APOCENTER RADIUS IN METERS
029591,001498: # SCALE FACTOR - EARTH +29, MOON +27
029592,001499: # (2) 4D APOCENTER ALTITUDE IN METERS
029593,001500: # SCALE FACTOR - EARTH +29, MOON P27
029594,001501: # (3) 6D PERICENTER RADIUS IN METERS
029595,001502: # SCALE FACTOR - EARTH +29, MOON +27
029596,001503: # (4) 8D PERICENTER ALTITUDE IN METERS
029597,001504: # SCALE FACTOR - EARTH +29, MOON +27
029598,001505: # (5) ECC ECCENTRICITY OF CONIC TRAJECTORY
029599,001506: # SCALE FACTOR - +3
029600,001507: # (6) XXXALT RADIUS OF THE PRIMARY BODY IN METERS
029601,001508: # SCALE FACTOR - EARTH +29, MOON +27
029602,001509: # (7) PUSHLOC EQUALS 10D
029603,001510:
029604,001511: # SUBROUTINES USED
029605,001512:
029606,001513: # SETRAD
![]() |
Page 695 |
029608,001515: # APSIDES
029609,001516:
029610,001517: 23,2000 SETLOC APOPERI
029611,001518: 23,2000 BANK
029612,001519:
029613,001520: 23,2337 COUNT* $$/PERAP
029614,001521:
029615,001522: 23,2337 00302 17755 RPAD 2DEC 6373338 B-29 # STANDARD RADIUS OF PAD 37-B.
029616,001523: # = 20 909 901.57 FT
029617,001524:
029618,001525: 23,2341 53754 PERIAPO1 LXA,2 VSR*
029619,001526: 23,2342 02777 RTX2
029620,001527: 23,2343 57176 0,2
029621,001528: 23,2344 26744 STOVL VVEC
029622,001529: 23,2345 53750 LXA,1 VSR*
029623,001530: 23,2346 02776 RTX1
029624,001531: 23,2347 57176 0,2
029625,001532: 23,2350 02655 STORE RVEC
029626,001533: 23,2351 45020 PERIAPO STQ CALL
029627,001534: 23,2352 03463 NORMEX
029628,001535: 23,2353 46367 SETRAD
029629,001536: 23,2354 37671 STCALL XXXALT
029630,001537: 23,2355 25704 APSIDES
029631,001538: 23,2356 41401 SETPD PUSH # 2D = APOCENTER RADIUS B29 OR B27
029632,001539: 23,2357 00003 2D
029633,001540: 23,2360 65225 DSU PDDL # 4D = APOGEE ALTITUDE B29 OR B27
029634,001541: 23,2361 03671 XXXALT
029635,001542: 23,2362 00001 0D
029636,001543: 23,2363 45206 PUSH DSU # 6D = PERICENTER RADIUS B29 OR B27
029637,001544: 23,2364 03671 XXXALT
029638,001545: 23,2365 52006 PUSH GOTO # 8D = PERIGEE ALTITUDE B29 OR B27
029639,001546: 23,2366 03463 NORMEX
029640,001547:
![]() |
Page 696 |
029642,001549: # SETRAD
029643,001550:
029644,001551: 23,2367 41545 SETRAD DLOAD PUSH
029645,001552: 23,2370 06340 RPAD
029646,001553: 23,2371 63130 SXA,1 INCR,2
029647,001554: 23,2372 00047 X2
029648,001555: 23,2373 00002 2D
029649,001556: 23,2374 46135 SLOAD BHIZ
029650,001557: 23,2375 00050 X2
029651,001558: 23,2376 46402 SETRADX
029652,001559: 23,2377 51575 VLOAD ABVAL
029653,001560: 23,2400 02023 RLS
029654,001561: 23,2401 77725 PDDL
029655,001562: 23,2402 43545 SETRADX DLOAD RVQ
029656,001563:
![]() |
Page 697 |
029658,001565: # PRECSET
029659,001566:
029660,001567: 23,2403 77620 PRECSET STQ
029661,001568: 23,2404 03463 NORMEX
029662,001569: 23,2405 37574 STCALL TDEC2
029663,001570: 23,2406 27060 LEMPREC
029664,001571: 23,2407 77624 CALL
029665,001572: 23,2410 46421 LEMSTORE
029666,001573: 23,2411 77745 DLOAD
029667,001574: 23,2412 03574 TDEC2
029668,001575: 23,2413 34041 STCALL TDEC1
029669,001576: 23,2414 27044 CSMPREC
029670,001577: 23,2415 77624 CALL
029671,001578: 23,2416 46431 CSMSTORE
029672,001579: 23,2417 77650 GOTO
029673,001580: 23,2420 03463 NORMEX
029674,001581: 23,2421 43175 LEMSTORE VLOAD BOFF
029675,001582: 23,2422 00001 RATT
029676,001583: 23,2423 01352 AVFLAG
029677,001584: 23,2424 46435 PASSIVE
029678,001585: 23,2425 27536 ACTIVE STOVL RACT3
029679,001586: 23,2426 00007 VATT
029680,001587: 23,2427 03544 STORE VACT3
029681,001588: 23,2430 77616 RVQ
029682,001589: 23,2431 43175 CSMSTORE VLOAD BOFF
029683,001590: 23,2432 00001 RATT
029684,001591: 23,2433 01352 AVFLAG
029685,001592: 23,2434 46425 ACTIVE
029686,001593: 23,2435 27552 PASSIVE STOVL RPASS3
029687,001594: 23,2436 00007 VATT
029688,001595: 23,2437 03560 STORE VPASS3
029689,001596: 23,2440 77616 RVQ
029690,001597:
![]() |
Page 698 |
029692,001599: # VECSHIFT
029693,001600:
029694,001601: 23,2441 53754 VECSHIFT LXA,2 VSR*
029695,001602: 23,2442 02777 RTX2
029696,001603: 23,2443 57176 0,2
029697,001604: 23,2444 63350 LXA,1 PDVL
029698,001605: 23,2445 02776 RTX1
029699,001606: 23,2446 63257 VSR* PDVL
029700,001607: 23,2447 57176 0,2
029701,001608: 23,2450 77616 RVQ
029702,001609:
![]() |
Page 699 |
029704,001611: # SHIFTR1
029705,001612:
029706,001613: 23,2451 53754 SHIFTR1 LXA,2 SL*
029707,001614: 23,2452 02777 RTX2
029708,001615: 23,2453 57576 0,2
029709,001616: 23,2454 77616 RVQ
029710,001617:
![]() |
Page 700 |
029712,001619: # PROGRAM DESCRIPTION
029713,001620: # SUBROUTINE NAME R36 OUT-OF-PLANE RENDEZVOUS ROUTINE
029714,001621: # MOD NO. 0 DATE 22 DECEMBER 67
029715,001622: # MOD BY N.M.NEVILLE LOG SECTION EXTENDED VERBS
029716,001623: # FUNCTIONAL DESCRIPTION
029717,001624:
029718,001625: # TO DISPLAY AT ASTRONAUT REQUEST LGC CALCULATED RENDEZVOUS
029719,001626: # OUT-OF-PLANE PARAMETERS (Y, YDOT, PSI). (REQUESTED BY DSKY).
029720,001627:
029721,001628: # CALLING SEQUENCE
029722,001629:
029723,001630: # ASTRONAUT REQUEST THROUGH DSKY V 90 E
029724,001631:
029725,001632: # SUBROUTINES CALLED
029726,001633:
029727,001634: # EXDSPRET
029728,001635: # GOMARKF
029729,001636: # CSMPREC
029730,001637: # LEMPREC
029731,001638: # SGNAGREE
029732,001639: # LOADTIME
029733,001640:
029734,001641: # NORMAL EXIT MODES
029735,001642:
029736,001643: # ASTRONAUT REQUEST THROUGH DSKY TO TERMINATE PROGRAM V 34 E
029737,001644:
029738,001645: # ALARM OR ABORT EXIT MODES
029739,001646:
029740,001647: # NONE
029741,001648:
029742,001649: # OUTPUT
029743,001650:
029744,001651: # DECIMAL DISPLAY OF TIME, Y, YDOT AND PSI
029745,001652:
029746,001653: # DISPLAYED VALUES Y, YDOT, AND PSI, ARE STORED IN ERASABLE
029747,001654: # REGISTERS RANGE, RRATE AND RTHETA RESPECTIVELY.
029748,001655:
029749,001656: # ERASABLE INITIALIZATION REQUIRED
029750,001657:
029751,001658: # CSM AND LEM STATE VECTORS
029752,001659:
029753,001660: # DEBRIS
029754,001661:
029755,001662: # CENTRALS A,Q,L
029756,001663: # OTHER THOSE USED BY THE ABOVE LISTED SUBROUTINES
029757,001664:
029758,001665: 20,2115 BANK 20
029759,001666: 04,2000 SETLOC R36LM
029760,001667: 04,2000 BANK
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Page 701 |
029762,001669: 04,2640 E4,1606 EBANK= RPASS36
029763,001670:
029764,001671: 04,2640 COUNT* $$/R36
029765,001672:
029766,001673: 04,2640 22007 R36 ZL
029767,001674: 04,2641 34755 CAF ZERO # SET TIME OF EVENT TO ZERO FOR FIRST
029768,001675: 04,2642 53051 DXCH DSPTEMX # DISPLAY
029769,001676: 04,2643 32773 CAF V06N16N
029770,001677: 04,2644 04616 TC BANKCALL
029771,001678: 04,2645 20334 CADR GOMARKF
029772,001679: 04,2646 15472 TCF ENDEXT # TERMINATE
029773,001680: 04,2647 12651 TCF +2 # PROCEED
029774,001681: 04,2650 12643 TCF -5 # RECYCLE FOR ASTRONAUT INPUT TIME
029775,001682: 04,2651 53051 DXCH DSPTEMX
029776,001683: 04,2652 00006 EXTEND
029777,001684: 04,2653 12762 BZF LREGCHK # A-REG ZERO GOTO CHECK L-REG FOR ZERO
029778,001685: 04,2654 52155 ASTROTIM DXCH MPAC # A-REG NON-ZERO, TIME = ASTRO INPUT TIME
029779,001686: 04,2655 06042 TC INTPRET
029780,001687: 04,2656 77634 RTB
029781,001688: 04,2657 21717 DPMODE
029782,001689: 04,2660 34041 R36INT STCALL TDEC1
029783,001690: 04,2661 27044 OTHPREC
029784,001691: 04,2662 63375 VLOAD PDVL
029785,001692: 04,2663 00007 VATT
029786,001693: 04,2664 00001 RATT # -
029787,001694: 04,2665 02207 STORE RPASS36 # R
029788,001695: 04,2666 63256 UNIT PDVL # P
029789,001696: 04,2667 53435 VXV UNIT
029790,001697: 04,2670 77626 STADR # -
029791,001698: 04,2671 61562 STODL UNP36 # U
029792,001699: 04,2672 00015 TAT
029793,001700: 04,2673 34041 STCALL TDEC1
029794,001701: 04,2674 27060 THISPREC
029795,001702: 04,2675 63375 VLOAD PDVL # -
029796,001703: 04,2676 00007 VATT # VELOCITY VECTOR V 00D
029797,001704: 04,2677 00001 RATT # A
029798,001705: 04,2700 77725 PDDL
029799,001706: 04,2701 00015 TAT # SAVE TIME IN LOCATION 30D FOR REDISPLAY
029800,001707: 04,2702 24037 STOVL 30D # -
029801,001708: 04,2703 41406 PUSH PUSH # POSITION VECTOR R IN 06D AND 12D
029802,001709: 04,2704 63245 BVSU PDVL # A - -
029803,001710: 04,2705 02207 RPASS36 # LINE OF SIGHT VECTOR R - R 12D
029804,001711: 04,2706 72441 DOT SL1 # P A
029805,001712: 04,2707 02215 UNP36 # - -
029806,001713: 04,2710 26201 STOVL RANGE # Y = U . R
029807,001714: 04,2711 00001 00D # A
029808,001715: 04,2712 72441 DOT SL1
029809,001716: 04,2713 02215 UNP36 # . - -
029810,001717: 04,2714 26203 STOVL RRATE # Y = U . V
029811,001718: 04,2715 00007 06D # - A -
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029813,001720: 04,2716 41456 UNIT PUSH # U = UNIT ( R ) 18D
029814,001721: 04,2717 47235 VXV VXV # RA A
029815,001722: 04,2720 00001 00D # - - - -
029816,001723: 04,2721 00023 18D # (U X V ) X U = U
029817,001724: 04,2722 53552 VSL2 UNIT # RA A RA A
029818,001725: 04,2723 77656 UNIT
029819,001726: 04,2724 24001 STOVL 00D # UNIT HORIZONTAL IN FORWARD DIR. 00D
029820,001727: 04,2725 00023 18D
029821,001728: 04,2726 74241 DOT VXSC # -
029822,001729: 04,2727 00015 12D # U
029823,001730: 04,2730 77752 VSL2 # L
029824,001731: 04,2731 53445 BVSU UNIT
029825,001732: 04,2732 77656 UNIT
029826,001733: 04,2733 50206 PUSH DOT # LOS PROJECTED INTO HORIZONTAL 12D
029827,001734: 04,2734 00001 00D # PLANE
029828,001735: 04,2735 65552 SL1 ARCCOS # - -
029829,001736: 04,2736 26205 STOVL RTHETA # PSI = ARCCOS(U . U )
029830,001737: 04,2737 50235 VXV DOT # A L
029831,001738: 04,2740 00001 00D
029832,001739: 04,2741 71244 BPL DLOAD
029833,001740: 04,2742 10747 R36TAG2
029834,001741: 04,2743 24020 LODPMAX
029835,001742: 04,2744 77625 DSU
029836,001743: 04,2745 02205 RTHETA
029837,001744: 04,2746 02205 STORE RTHETA
029838,001745: 04,2747 47145 R36TAG2 DLOAD RTB
029839,001746: 04,2750 00037 30D
029840,001747: 04,2751 21613 SGNAGREE
029841,001748: 04,2752 01051 STORE DSPTEMX
029842,001749: 04,2753 77776 EXIT
029843,001750: 04,2754 32774 CAF V06N90N # DISPLAY Y, YDOT, AND PSI
029844,001751: 04,2755 04616 TC BANKCALL
029845,001752: 04,2756 20334 CADR GOMARKF
029846,001753: 04,2757 15472 TCF ENDEXT # TERMINATE
029847,001754: 04,2760 15472 TCF ENDEXT # PROCEED, END OF PROGRAM
029848,001755: 04,2761 12643 TCF R36 +3 # REDISPLAY OUTPUT
029849,001756: 04,2762 56001 LREGCHK XCH L
029850,001757: 04,2763 00006 EXTEND
029851,001758: 04,2764 12767 BZF ENTTIM2 # L-REG ZERO, SET TIME = PRESENT TIME
029852,001759: 04,2765 56001 XCH L # L-REG NON ZERO, TIME = ASTRO INPUT TIME
029853,001760: 04,2766 12654 TCF ASTROTIM
029854,001761: 04,2767 06042 ENTTIM2 TC INTPRET
029855,001762: 04,2770 52034 RTB GOTO
029856,001763: 04,2771 21574 LOADTIME
029857,001764: 04,2772 10660 R36INT
029858,001765: 04,2773 01420 V06N16N VN 00616
029859,001766: 04,2774 01532 V06N90N VN 00690
End of include-file P34-P35,_P74-P75.agc. Parent file is MAIN.agc