Source Code
![]() |
These source-code files were from the printout at the MIT Museum, with many thanks
to Deborah Douglas, the Museum's Curator of Science and Technology, for releasing
it to us. The printout was digitally photographed by Paul Fjeld. A team of
volunteers transcribed the source code manually from these images or, where
appropriate, modified already-transcribed but similar source Luminary 131 (Apollo 13)
source code to agree with the images from the printout. Note that the page images
presented online are of reduced quality, and that higher-quality images
are available. Report any conversion errors or legibility
problems in page images to info@sandroid.org.
Notations on the program listing read, in part:GAP: ASSEMBLE REVISION 001 OF AGC PROGRAM LMY99 BY NASA 2021112-061 20'35 OCT. 28,1968Note that the date is the date of the printout, not the date of the program revision. |
028227,000002: ## Copyright: Public domain.
028228,000003: ## Filename: P34-35_P74-75.agc
028229,000004: ## Purpose: Part of the source code for Luminary 1A build 099.
028230,000005: ## It is part of the source code for the Lunar Module's (LM)
028231,000006: ## Apollo Guidance Computer (AGC), for Apollo 11.
028232,000007: ## Assembler: yaYUL
028233,000008: ## Contact: Ron Burkey <info@sandroid.org>.
028234,000009: ## Website: www.ibiblio.org/apollo.
028235,000010: ## Pages: 658-702
028236,000011: ## Mod history: 2009-05-19 RSB Adapted from the corresponding
028237,000012: ## Luminary131 file, using page
028238,000013: ## images from Luminary 1A.
028239,000014: ## 2009-06-05 RSB Corrected a typo.
028240,000015: ## 2011-01-06 JL Fixed pseudo-label indentation.
028241,000016: ## 2011-01-06 JL Added missing comment characters.
028242,000017: ## 2011-05-07 JL Removed workaround.
028243,000018:
028244,000019: ## This source code has been transcribed or otherwise adapted from
028245,000020: ## digitized images of a hardcopy from the MIT Museum. The digitization
028246,000021: ## was performed by Paul Fjeld, and arranged for by Deborah Douglas of
028247,000022: ## the Museum. Many thanks to both. The images (with suitable reduction
028248,000023: ## in storage size and consequent reduction in image quality as well) are
028249,000024: ## available online at www.ibiblio.org/apollo. If for some reason you
028250,000025: ## find that the images are illegible, contact me at info@sandroid.org
028251,000026: ## about getting access to the (much) higher-quality images which Paul
028252,000027: ## actually created.
028253,000028: ##
028254,000029: ## Notations on the hardcopy document read, in part:
028255,000030: ##
028256,000031: ## Assemble revision 001 of AGC program LMY99 by NASA 2021112-61
028257,000032: ## 16:27 JULY 14, 1969
028258,000033:
![]() |
Page 658 |
028260,000035: # TRANSFER PHASE INITITIATION (TPI) PROGRAMS (P34 AND P74)
028261,000036:
028262,000037: # MOD NO -1 LOG SECTION -- P32-P35, P72-P75
028263,000038: # MOD BY WHITE, P. DATE: 1 JUNE 67
028264,000039:
028265,000040: # PURPOSE
028266,000041:
028267,000042: # (1) TO CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL CONDITIONS
028268,000043: # REQUIRED BY THE ACTIVE VEHICLE FOR EXECUTION OF THE TRANSFER
028269,000044: # PHASE INITITATION (TPI) MANEUVER, GIVEN --
028270,000045:
028271,000046: # (A) TIME OF IGNITION TIG (TPI) OR THE ELEVATION ANGLE (E) OF
028272,000047: # THE ACTIVE/PASSIVE VEHICLE LOS AT TIG (TPI).
028273,000048:
028274,000049: # (B) CENTRAL ANGLE OF TRANSFER (CENTANG) FROM TIG (TPI) TO
028275,000050: # INTERCEPT TIME (TIG (TPF)).
028276,000051:
028277,000052: # (2) TO CALCULATE TIG (TPI) GIVEN E OR E GIVEN TIG (TPI).
028278,000053:
028279,000054: # (3) TO CALCULATE THESE PARAMETERS BASED UPON MANEUVER DATA
028280,000055: # APPROVED AND KEYED INTO THE DSKY BY THE ASTRONAUT.
028281,000056:
028282,000057: # (4) TO DISPLAY TO THE ASTRONAUT AND THE GROUND CERTAIN DEPENDENT
028283,000058: # VARIABLES ASSOCIATED WITH THE MANEUVER FOR APPROVAL BY THE
028284,000059: # ASTRONAUT/GROUND.
028285,000060:
028286,000061: # (5) TO STORE THE TPI TARGET PARAMETERS FOR USE BY THE DESIRED
028287,000062: # THRUSTING PROGRAM.
028288,000063:
028289,000064: # ASSUMPTIONS
028290,000065:
028291,000066: # (1) LM ONLY -- THIS PROGRAM IS BASED UPON PREVIOUS COMPLETION OF
028292,000067: # THE CONSTANT DELTA ALTITUDE (CDH) PROGRAM (P33/P73).
028293,000068: # THEREFORE --
028294,000069:
028295,000070: # (A) AT A SELECTED TPI TIME (NOW IN STORAGE) THE LINE OF SIGHT
028296,000071: # BETWEEN THE ACTIVE AND PASSIVE VEHICLES WAS SELECTED TO BE
028297,000072: # A PRESCRIBED ANGLE (E) (NOW IN STORAGE) FROM THE
028298,000073: # HORIZONTAL PLANE DEFINED BY THE ACTIVE VEHICLE POSITION.
028299,000074:
028300,000075: # (B) THE TIME BETWEEN CDH IGNITION AND TPI IGNITION WAS
028301,000076: # COMPUTED TO BE GREATER THAN 10 MINUTES.
028302,000077:
028303,000078: # (C) THE VARIATION OF THE ALTITUDE DIFFERENCE BETWEEN THE
028304,000079: # ORBITS WAS MINIMIZED.
028305,000080:
028306,000081: # (D) THE PERICENTER ALTITUDES OF ORBITS FOLLOWING CSI AND
028307,000082: # CDH WERE COMPUTED TO BE GREATER THAN 35,000 FT FOR LUNAR
![]() |
Page 659 |
028309,000084: # ORBIT OR 85 NM FOR EARTH ORBIT.
028310,000085:
028311,000086: # (E) THE CSI AND CDH MANEUVERS WERE ASSUMED TO BE PARALLEL TO
028312,000087: # THE PLANE OF THE PASSIVE VEHICLE ORBIT. HOWEVER, CREW
028313,000088: # MODIFICATION OF DELTA V (LV) COMPONENTS MAY HAVE RESULTED
028314,000089: # IN AN OUT-OF-PLANE MANEUVER.
028315,000090:
028316,000091: # (2) STATE VECTOR UPDATED BY P27 ARE DISALLOWED DURING AUTOMATIC
028317,000092: # STATE VECTOR UPDATING INITIATED BY P20 (SEE ASSUMPTION (4)).
028318,000093:
028319,000094: # (3) THIS PROGRAM MUST BE DONE OVER A TRACKING STATION FOR REAL
028320,000095: # TIME GROUND PARTICIPATION IN DATA INPUT AND OUTPUT. COMPUTED
028321,000096: # VARIABLES MAY BE STORED FOR LATER VERIFICATION BY THE GROUND.
028322,000097: # THESE STORAGE CAPABILITIES ARE LIMITED ONLY TO THE PARAMETERS
028323,000098: # FOR ONE THRUSTING MANEUVER AT A TIME EXCEPT FOR CONCENTRIC
028324,000099: # FLIGHT PLAN MANEUVER SEQUENCES.
028325,000100:
028326,000101: # (4) THE RENDEZVOUS RADAR MAY OR MAY NOT BE USED TO UPDATE THE LM
028327,000102: # OR CSM STATE VECTORS FOR THIS PROGRAM. IF RADAR USE IS
028328,000103: # DESIRED THE RADAR WAS TURNED ON AND LOCKED ON THE CSM BY
028329,000104: # PREVIOUS SELECTION OF P20. RADAR SIGHTING MARKS WILL BE MADE
028330,000105: # AUTOMATICALLY APPROXIMATELY ONCE A MINUTE WHEN ENABLED BY THE
028331,000106: # TRACK AND UPDATE FLAGS (SEE P20). THE RENDEZVOUS TRACKING
028332,000107: # MARK COUNTER IS ZEROED BY THE SELECTION OF P20 AND AFTER EACH
028333,000108: # THRUSTING MANEUVER.
028334,000109:
028335,000110: # (5) THE ISS NEED NOT BE ON TO COMPLETE THIS PROGRAM.
028336,000111:
028337,000112: # (6) THE OPERATION OF THE PROGRAM UTILIZES THE FOLLOWING FLAGS --
028338,000113:
028339,000114: # ACTIVE VEHICLE FLAG -- DESIGNATES THE VEHICLE WHICH IS
028340,000115: # DOING RENDEZVOUS THRUSTING MANEUVERS TO THE PROGRAM WHICH
028341,000116: # CALCULATES THE MANEUVER PARAMETERS. SET AT THE START OF
028342,000117: # EACH RENDEZVOUS PRE-THRUSTING PROGRAM.
028343,000118:
028344,000119: # FINAL FLAG -- SELECTS FINAL PROGRAM DISPLAYS AFTER CREW HAS
028345,000120: # SELECTED THE FINAL MANEUVER COMPUTATION CYCLE.
028346,000121:
028347,000122: # EXTERNAL DELTA V FLAG -- DESIGNATES THE TYPE OF STEERING
028348,000123: # REQUIRED FOR EXECUTION OF THIS MANEUVER BY THE THRUSTING
028349,000124: # PROGRAM SELECTED AFTER COMPLETION OF THIS PROGRAM.
028350,000125:
028351,000126: # (7) ONCE THE PARAMETERS REQUIRED FOR COMPUTATION OF THE MANEUVER
028352,000127: # HAVE BEEN COMPLETELY SPECIFIED, THE VALUE OF THE ACTIVE
028353,000128: # VEHICLE CENTRAL ANGLE OF TRANSFER IS COMPUTED AND STURED.
028354,000129: # THIS NUMBER WILL BE AVAILABLE FOR DISPLAY TO THE ASTRONAUT
028355,000130: # THROUGH THE USE OF V06N52.
028356,000131:
028357,000132: # THE ASTRONAUT WILL CALL THIS DISPLAY TO VERIFY THAT THE
028358,000133: # CENTRAL ANGLE OF TRANSFER OF THE ACTIVE VEHICLE IS NOT WITHIN
![]() |
Page 660 |
028360,000135: # 170 TO 190 DEGREES. IF THE ANGLE IS WITHIN THIS ZONE THE
028361,000136: # ASTRONAUT SHOULD REASSES THE INPUT TARGETING PARAMETERS BASED
028362,000137: # UPON DELTA V AND EXPECTED MANEUVER TIME.
028363,000138:
028364,000139: # (8) THIS PROGRAM IS SELECTED BY THE ASTRONAUT BY DSKY ENTRY --
028365,000140:
028366,000141: # P34 IF THIS VEHICLE IS ACTIVE VEHICLE.
028367,000142:
028368,000143: # P74 IF THIS VEHICLE IS PASSIVE VEHICLE.
028369,000144:
028370,000145: # INPUT
028371,000146:
028372,000147: # (1) TTPI TIME OF THE TPI MANEUVER.
028373,000148: # (2) ELEV DESIRED LOS ANGLE AT TPI
028374,000149: # (3) CENTANG ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE DURING
028375,000150: # TRANSFER FROM TPI TO TIME OF INTERCEPT
028376,000151:
028377,000152: # OUTPUT
028378,000153:
028379,000154: # (1) TRKMKCNT NUMBER OF MARKS
028380,000155: # (2) TTOGO TIME TO GO
028381,000156: # (3) +MGA MIDDLE GIMBAL ANGLE
028382,000157: # (4) TTPI COMPUTED TIME OF TPI MANEUVER
028383,000158: # OR
028384,000159: # ELEV COMPUTED LOS ANGLE AT TPI
028385,000160: # (5) POSTTPI PERIGEE ALTITUDE AFTER THE TPI MANEUVER
028386,000161: # (6) DELVTPI MAGNITUDE OF DELTA V AT TPI
028387,000162: # (7) DELVTPF MAGNITUDE OF DELTA V AT INTERCEPT
028388,000163: # (8) DVLOS DELTA VELOCITY AT TPI -- LINE OF SIGHT
028389,000164: # (9) DELVLVC DELTA VELOCITY AT TPI -- LOCAL VERTICAL COORDINATES
028390,000165:
028391,000166: # DOWNLINK
028392,000167:
028393,000168: # (1) TTPI TIME OF TPI MANEUVER
028394,000169: # (2) TIG TIME OF TPI MANEUVER
028395,000170: # (3) ELEV DESIRED LOS ANGLE AT TPI
028396,000171: # (4) CENTANG ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE DURING
028397,000172: # TRANSFER FROM TPI TO TIME OF INTERCEPT
028398,000173: # (5) DELVEET3 DELTA VELOCITY AT TPI -- REFERENCE COORDINATES
028399,000174: # (6) TPASS4 TIME OF INTERCEPT
028400,000175:
028401,000176: # COMMUNICATION TO THRUSTING PROGRAMS
028402,000177:
028403,000178: # (1) TIG TIME OF THE TPI MANEUVER
028404,000179: # (2) RTARG OFFSET TARGET POSITION
028405,000180: # (3) TPASS4 TIME OF INTERCEPT
028406,000181: # (4) XDELVFLG RESET TO INDICATE LAMBERT (AIMPOINT) VG COMPUTATION
028407,000182:
028408,000183: # SUBROUTINES USED
028409,000184:
028410,000185: # AVFLAGA
![]() |
Page 661 |
028412,000187: # AVFLAGP
028413,000188: # VNP00H
028414,000189: # DISPLAYE
028415,000190: # SELECTMU
028416,000191: # PRECSET
028417,000192: # S33/34.1
028418,000193: # ALARM
028419,000194: # BANKCALL
028420,000195: # GOFLASH
028421,000196: # GOTOP00H
028422,000197: # TIMETHET
028423,000198: # S34/35.2
028424,000199: # PERIAPO1
028425,000200: # SHIFTR1
028426,000201: # S34/35.5
028427,000202: # VN1645
028428,000203:
028429,000204: 35,2000 SETLOC CSI/CDH
028430,000205: 35,2000 BANK
028431,000206: 35,2545 E7,1470 EBANK= SUBEXIT
028432,000207: 35,2545 COUNT* $$/P3474
028433,000208: 35,2545 02347 P34 TC AVFLAGA
028434,000209: 35,2546 02550 TC P34/P74A
028435,000210: 35,2547 02354 P74 TC AVFLAGP
028436,000211: 35,2550 02361 P34/P74A TC P20FLGON # SET UPDATFLG, TRACKFLG
028437,000212: 35,2551 33723 CAF V06N37 # TTPI
028438,000213: 35,2552 03712 TC VNP00H
028439,000214: 35,2553 00006 EXTEND
028440,000215: 35,2554 33746 DCA 130DEG
028441,000216: 35,2555 53621 DXCH CENTANG
028442,000217: 35,2556 32417 CAF P30ZERO
028443,000218: 35,2557 55466 TS NN
028444,000219: 35,2560 03674 TC DISPLAYE # ELEV AND CENTANG
028445,000220: 35,2561 06037 TC INTPRET
028446,000221: 35,2562 71214 CLEAR DLOAD
028447,000222: 35,2563 01270 ETPIFLAG
028448,000223: 35,2564 03636 TTPI
028449,000224: 35,2565 17442 STODL TIG
028450,000225: 35,2566 02257 ELEV
028451,000226: 35,2567 43054 BZE SET
028452,000227: 35,2570 72572 P34/P74B
028453,000228: 35,2571 01070 ETPIFLAG
028454,000229: 35,2572 77624 P34/P74B CALL
028455,000230: 35,2573 20000 SELECTMU
028456,000231: 35,2574 DELELO EQUALS 26D
028457,000232: 35,2574 43145 P34/P74C DLOAD SET
028458,000233: 35,2575 06522 ZEROVECS
028459,000234: 35,2576 03460 ITSWICH
028460,000235: 35,2577 43014 BON CLEAR
028461,000236: 35,2600 01310 ETPIFLAG
![]() |
Page 662 |
028463,000238: 35,2601 72603 SWCHSET
028464,000239: 35,2602 03660 ITSWICH
028465,000240: 35,2603 02317 SWCHSET STORE NOMTPI
028466,000241: 35,2604 43345 INTLOOP DLOAD DAD
028467,000242: 35,2605 03636 TTPI
028468,000243: 35,2606 02317 NOMTPI
028469,000244: 35,2607 34041 STCALL TDEC1
028470,000245: 35,2610 46360 PRECSET
028471,000246: 35,2611 77624 CALL
028472,000247: 35,2612 72764 S33/34.1
028473,000248: 35,2613 77454 BZE EXIT
028474,000249: 35,2614 72625 SWCHCLR
028475,000250: 35,2615 05567 TC ALARM
028476,000251: 35,2616 00611 OCT 611
028477,000252: 35,2617 35006 CAF V05N09
028478,000253: 35,2620 04616 TC BANKCALL
028479,000254: 35,2621 20476 CADR GOFLASH
028480,000255: 35,2622 06001 TC GOTOP00H
028481,000256: 35,2623 02550 TC P34/P74A # PROCEED
028482,000257: 35,2624 02615 TC -7 # V32
028483,000258:
028484,000259: 35,2625 43014 SWCHCLR BONCLR BON
028485,000260: 35,2626 03600 ITSWICH
028486,000261: 35,2627 72604 INTLOOP
028487,000262: 35,2630 01310 ETPIFLAG
028488,000263: 35,2631 72635 P34/P74D # DISPLAY TTPI
028489,000264: 35,2632 77776 EXIT
028490,000265: 35,2633 03674 TC DISPLAYE # DISPLAY ELEV AND CENTANG
028491,000266: 35,2634 02640 TC P34/P74E
028492,000267: 35,2635 77776 P34/P74D EXIT
028493,000268: 35,2636 33723 CAF V06N37 # TTPI
028494,000269: 35,2637 03712 TC VNP00H
028495,000270: 35,2640 06037 P34/P74E TC INTPRET
028496,000271: 35,2641 71201 SETPD DLOAD
028497,000272: 35,2642 00001 0D
028498,000273: 35,2643 02777 RTX1
028499,000274: 35,2644 14047 STODL X1
028500,000275: 35,2645 03621 CENTANG
028501,000276: 35,2646 71406 PUSH COS
028502,000277: 35,2647 16732 STODL CSTH
028503,000278: 35,2650 77756 SIN
028504,000279: 35,2651 26730 STOVL SNTH
028505,000280: 35,2652 03552 RPASS3
028506,000281: 35,2653 77657 VSR*
028507,000282: 35,2654 57176 0,2
028508,000283: 35,2655 26655 STOVL RVEC
028509,000284: 35,2656 03560 VPASS3
028510,000285: 35,2657 43057 VSR* SET
028511,000286: 35,2660 57176 0,2
028512,000287: 35,2661 03466 RVSW
![]() |
Page 663 |
028514,000289: 35,2662 36744 STCALL VVEC
028515,000290: 35,2663 24732 TIMETHET
028516,000291: 35,2664 77745 DLOAD
028517,000292: 35,2665 03636 TTPI
028518,000293: 35,2666 03610 STORE INTIME # FOR INITVEL
028519,000294: 35,2667 77615 DAD
028520,000295: 35,2670 00037 T # RENDEZVOUS TIME
028521,000296: 35,2671 37631 STCALL TPASS4 # FOR INITVEL
028522,000297: 35,2672 73306 S34/35.2
028523,000298: 35,2673 51575 VLOAD ABVAL
028524,000299: 35,2674 02366 DELVEET3
028525,000300: 35,2675 27576 STOVL DELVTPI
028526,000301: 35,2676 03506 VPASS4
028527,000302: 35,2677 51451 VSU ABVAL
028528,000303: 35,2700 03566 VTPRIME
028529,000304: 35,2701 26350 STOVL DELVTPF
028530,000305: 35,2702 03536 RACT3
028531,000306: 35,2703 45115 PDVL CALL
028532,000307: 35,2704 02337 VIPRIME
028533,000308: 35,2705 46316 PERIAPO1
028534,000309: 35,2706 77624 CALL
028535,000310: 35,2707 46426 SHIFTR1
028536,000311: 35,2710 17606 STODL POSTTPI
028537,000312: 35,2711 03636 TTPI
028538,000313: 35,2712 03442 STORE TIG
028539,000314: 35,2713 77776 EXIT
028540,000315: 35,2714 33725 CAF V06N58
028541,000316: 35,2715 03712 TC VNP00H
028542,000317: 35,2716 06037 TC INTPRET
028543,000318: 35,2717 77624 CALL
028544,000319: 35,2720 73522 S34/35.5
028545,000320: 35,2721 77624 CALL
028546,000321: 35,2722 73606 VN1645
028547,000322: 35,2723 77650 GOTO
028548,000323: 35,2724 72574 P34/P74C
![]() |
Page 664 |
028550,000325: # RENDEZVOUS MID-COURSE MANEUVER PROGRAMS (P35 AND P75)
028551,000326:
028552,000327: # MOD NO -1 LOG SECTION -- P32-P35, P72-P75
028553,000328: # MOD BY WHITE, P. DATE: 1 JUNE 67
028554,000329:
028555,000330: # PURPOSE
028556,000331:
028557,000332: # (1) TO CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL CONDITIONS
028558,000333: # REQUIRED BY THE ACTIVE VEHICLE FOR EXECUTION OF THE NEXT
028559,000334: # MID-COURSE CORRECTION OF THE TRANSFER PHASE OF AN ACTIVE
028560,000335: # VEHICLE RENDEZVOUS.
028561,000336:
028562,000337: # (2) TO DISPLAY TO THE ASTRONAUT AND THE GROUND CERTAIN DEPENDENT
028563,000338: # VARIABLES ASSOCIATED WITH THE MANEUVER FOR APPROVAL BY THE
028564,000339: # ASTRONAUT/GROUND.
028565,000340:
028566,000341: # (3) TO STORE THE TPM TARGET PARAMETERS FOR USE BY THE DESIRED
028567,000342: # THRUSTING PROGRAM.
028568,000343:
028569,000344: # ASSUMPTIONS
028570,000345:
028571,000346: # (1) THE ISS NEED NOT BE ON TO COMPLETE THIS PROGRAM.
028572,000347:
028573,000348: # (2) STATE VECTOR UPDATES BY P27 ARE DISALLOWED DURING AUTOMATIC
028574,000349: # STATE VECTOR UPDATING INITIATED BY P20 (SEE ASSUMPTION (3)).
028575,000350:
028576,000351: # (3) THE RENDEZVOUS RADAR IS ON AND IS LOCKED ON THE CSM. THIS WAS
028577,000352: # DONE DURING PREVIOUS SELECTION OF P20. RADAR SIGHTING MARKS
028578,000353: # WILL BE MADE AUTOMATICALLY APPROXIMATELY ONCE A MINUTE WHEN
028579,000354: # ENABLED BY THE TRACK AND UPDATE FLAGS (SEE P20). THE
028580,000355: # RENDEZVOUS TRACKING MARK COUNTER IS ZEROED BY THE SELECTION OF
028581,000356: # P20 AND AFTER EACH THRUSTING MANEUVER.
028582,000357:
028583,000358: # (4) THE OPERATION OF THE PROGRAM UTILIZES THE FOLLOWING FLAGS --
028584,000359:
028585,000360: # THE ACTIVE VEHICLE FLAG -- DESIGNATES THE VEHICLE WHICH IS
028586,000361: # DOING RENDEZVOUS THRUSTING MANEUVERS TO THE PROGRAM WHICH
028587,000362: # CALCULATES THE MANEUVER PARAMETERS. SET AT THE START OF
028588,000363: # EACH RENDEZVOUS PRE-THRUSTING PROGRAM.
028589,000364:
028590,000365: # FINAL FLAG -- SELECTS FINAL PROGRAM DISPLAYS AFTER CREW HAS
028591,000366: # SELECTED THE FINAL MANEUVER COMPUTATION CYCLE.
028592,000367:
028593,000368: # EXTERNAL DELTA V FLAG -- DESIGNATES THE TYPE OF STEERING
028594,000369: # REQUIRED FOR EXECUTION OF THIS MANEUVER BY THE THRUSTING
028595,000370: # PROGRAM SELECTED AFTER COMPLETION OF THIS PROGRAM.
028596,000371:
028597,000372: # (5) THE TIME OF INTERCEPT (T(INT)) WAS DEFINED BY PREVIOUS
028598,000373: # COMPLETION OF THE TRANSFER PHASE INITIATION (TPI) PROGRAM
028599,000374: # (P34/P74) AND IS PRESENTLY AVAILABLE IN STORAGE.
028600,000375:
![]() |
Page 665 |
028602,000377: # (6) ONCE THE PARAMETERS REQUIRED FOR COMPUTATION OF THE MANEUVER
028603,000378: # HAVE BEEN COMPLETELY SPECIFIED, THE VALUE OF THE ACTIVE
028604,000379: # VEHICLE CENTRAL ANGLE OF TRANSFER IS COMPUTED AND STORED.
028605,000380: # THIS NUMBER WILL BE AVAILABLE FOR DISPLAY TO THE ASTRONAUT
028606,000381: # THROUGH THE USE OF V06N52
028607,000382:
028608,000383: # THE ASTRONAUT WILL CALL THIS DISPLAY TO VERIFY THAT THE
028609,000384: # CENTRAL ANGLE OF TRANSFER OF THE ACTIVE VEHICLE IS NOT WITHIN
028610,000385: # 170 TO 190 DEGREES. IF THE ANGLE IS WITHIN THIS ZONE THE
028611,000386: # ASTRONAUT SHOULD REASSESS THE INPUT TARGETING PARAMETERS BASED
028612,000387: # UPON DELTA V AND EXPECTED MANEUVER TIME.
028613,000388:
028614,000389: # (7) THIS PROGRAM IS SELECTED BY THE ASTRONAUT BY DSKY ENTRY --
028615,000390:
028616,000391: # P35 IF THIS VEHICLE IS ACTIVE VEHICLE.
028617,000392:
028618,000393: # P75 IF THIS VEHICLE IS PASSIVE VEHICLE.
028619,000394:
028620,000395: # INPUT
028621,000396:
028622,000397: # (1) TPASS4 TIME OF INTERCEPT -- SAVED FROM P34/P74
028623,000398:
028624,000399: # OUTPUT
028625,000400:
028626,000401: # (1) TRKMKCNT NUMBER OF MARKS
028627,000402: # (2) TTOGO TIME TO GO
028628,000403: # (3) +MGA MIDOLF GIMBAL ANGLE
028629,000404: # (4) DVLOS DELTA VELOCITY AT MID -- LINE OF SIGHT
028630,000405: # (5) DELVLVC DELTA VELOCITY AT MID -- LOCAL VERTICAL COORDINATES
028631,000406:
028632,000407: # DOWNLINK
028633,000408:
028634,000409: # (1) TIG TIME OF THE TPM MANEUVER
028635,000410: # (2) DELVEET3 DELTA VELOCITY AT TPM -- REFERENCE COORDINATES
028636,000411: # (3) TPASS4 TIME OF INTERCEPT
028637,000412:
028638,000413: # COMMUNICATION TO THRUSTING PROGRAMS
028639,000414:
028640,000415: # (1) TIG TIME OF THE TPM MANEUVER
028641,000416: # (2) RTARG OFFSET TARGET POSITION
028642,000417: # (3) TPASS4 TIME OF INTERCEPT
028643,000418: # (4) XDELVFLG RESET TO INDICATE LAMBERT (AIMPOINT) VG COMPUTATION.
028644,000419:
028645,000420: # SUBROUTINES USED
028646,000421:
028647,000422: # AVFLAGA
028648,000423: # AVFLAGP
028649,000424: # LOADTIME
028650,000425: # SELECTMU
028651,000426: # PRECSET
028652,000427: # S34/35.1
028653,000428: # S34/35.2
![]() |
Page 666 |
028655,000430: # S34/35.5
028656,000431: # VN1645
028657,000432:
028658,000433: 35,2725 COUNT* $$/P3575
028659,000434: 35,2725 E7,1575 EBANK= KT
028660,000435:
028661,000436: 35,2725 02347 P35 TC AVFLAGA
028662,000437: 35,2726 00006 EXTEND
028663,000438: 35,2727 31401 DCA ATIGINC
028664,000439: 35,2730 02734 TC P35/P75A
028665,000440: 35,2731 02354 P75 TC AVFLAGP
028666,000441: 35,2732 00006 EXTEND
028667,000442: 35,2733 31403 DCA PTIGINC
028668,000443: 35,2734 53576 P35/P75A DXCH KT
028669,000444: 35,2735 02361 TC P20FLGON # SET UPDATFLG, TRACKFLG
028670,000445: 35,2736 06037 TC INTPRET
028671,000446: 35,2737 77624 CALL
028672,000447: 35,2740 20000 SELECTMU
028673,000448: 35,2741 77634 P35/P75B RTB
028674,000449: 35,2742 21573 LOADTIME
028675,000450: 35,2743 03612 STORE TSTRT
028676,000451: 35,2744 77615 DAD
028677,000452: 35,2745 03576 KT
028678,000453: 35,2746 03442 STORE TIG
028679,000454: 35,2747 03610 STORE INTIME # FOR INITVEL
028680,000455: 35,2750 34041 STCALL TDEC1
028681,000456: 35,2751 46360 PRECSET # ADVANCE BOTH VEHICLES
028682,000457: 35,2752 77624 CALL
028683,000458: 35,2753 73274 S34/35.1 # GET NORM AND LOS FOR TRANSFORM
028684,000459: 35,2754 77624 CALL
028685,000460: 35,2755 73306 S34/35.2 # GET DELTA V(LV)
028686,000461: 35,2756 77624 CALL
028687,000462: 35,2757 73522 S34/35.5
028688,000463: 35,2760 77624 CALL
028689,000464: 35,2761 73606 VN1645
028690,000465: 35,2762 77650 GOTO
028691,000466: 35,2763 72741 P35/P75B
![]() |
Page 667 |
028693,000468: # ***** S33/34.1 *****
028694,000469:
028695,000470: 35,2764 66220 S33/34.1 STQ SSP
028696,000471: 35,2765 03463 NORMEX
028697,000472: 35,2766 03614 TITER
028698,000473: 35,2767 40000 OCT 40000
028699,000474: 35,2770 40345 DLOAD SETPD
028700,000475: 35,2771 33734 MAX250
028701,000476: 35,2772 00001 0D
028702,000477: 35,2773 27574 STOVL SECMAX
028703,000478: 35,2774 03536 RACT3
028704,000479: 35,2775 27500 STOVL RAPREC
028705,000480: 35,2776 03544 VACT3
028706,000481: 35,2777 27506 STOVL VAPREC
028707,000482: 35,3000 03552 RPASS3
028708,000483: 35,3001 27522 STOVL RPPREC
028709,000484: 35,3002 03560 VPASS3
028710,000485: 35,3003 03530 STORE VPPREC
028711,000486: 35,3004 77624 ELCALC CALL
028712,000487: 35,3005 73274 S34/35.1 # NORMAL AND LOS
028713,000488: 35,3006 63235 VXV PDVL
028714,000489: 35,3007 03536 RACT3 # (RA*VA)*RA 0D
028715,000490: 35,3010 53515 PDVL UNIT # ULOS AT 6D
028716,000491: 35,3011 03536 RACT3
028717,000492: 35,3012 46315 PDVL VPROJ # XCHNJ AND UP
028718,000493: 35,3013 51352 VSL2 BVSU
028719,000494: 35,3014 02311 ULOS
028720,000495: 35,3015 63256 UNIT PDVL # UP AT 0D
028721,000496: 35,3016 63241 DOT PDVL # UP.UN*RA AT 0D
028722,000497: 35,3017 00001 0D # UP IN MPAC
028723,000498: 35,3020 75241 DOT SIGN
028724,000499: 35,3021 02311 ULOS
028725,000500: 35,3022 65552 SL1 ACOS
028726,000501: 35,3023 50315 PDVL DOT # EA AT 0D
028727,000502: 35,3024 02311 ULOS
028728,000503: 35,3025 03536 RACT3
028729,000504: 35,3026 71244 BPL DLOAD
028730,000505: 35,3027 73032 TESTY
028731,000506: 35,3030 06530 DPPOSMAX
028732,000507: 35,3031 41425 DSU PUSH
028733,000508: 35,3032 71214 TESTY BOFF DLOAD
028734,000509: 35,3033 03740 ITSWICH
028735,000510: 35,3034 73261 ELEX
028736,000511: 35,3035 03576 DELEL
028737,000512: 35,3036 14033 STODL DELELO
028738,000513: 35,3037 77625 DSU
028739,000514: 35,3040 02257 ELEV
028740,000515: 35,3041 03576 STORE DELEL
028741,000516: 35,3042 45246 ABS DSU
028742,000517: 35,3043 33740 ELEPS
![]() |
Page 668 |
028744,000519: 35,3044 77640 BMN
028745,000520: 35,3045 73271 TIMEX # COMMERCIALS EVERYWHERE
028746,000521: 35,3046 70535 FIGTIME SLOAD SR1
028747,000522: 35,3047 03614 TITER
028748,000523: 35,3050 72030 BHIZ LXA,1
028749,000524: 35,3051 03463 NORMEX # TOO MANY ITERATIONS
028750,000525: 35,3052 00154 MPAC
028751,000526: 35,3053 77330 SXA,1 VLOAD
028752,000527: 35,3054 03613 TITER
028753,000528: 35,3055 03552 RPASS3
028754,000529: 35,3056 65256 UNIT PDDL
028755,000530: 35,3057 00045 36D
028756,000531: 35,3060 53515 PDVL UNIT
028757,000532: 35,3061 03536 RACT3
028758,000533: 35,3062 77725 PDDL
028759,000534: 35,3063 41525 PDDL PUSH
028760,000535: 35,3064 00045 36D
028761,000536: 35,3065 77621 BDSU
028762,000537: 35,3066 00015 12D
028763,000538: 35,3067 14037 STODL 30D # RP - RA MAGNITUDES
028764,000539: 35,3070 06520 DPHALF
028765,000540: 35,3071 41425 DSU PUSH
028766,000541: 35,3072 02257 ELEV
028767,000542: 35,3073 50165 SIGN BMN
028768,000543: 35,3074 00037 30D
028769,000544: 35,3075 03463 NORMEX
028770,000545: 35,3076 71545 DLOAD COS
028771,000546: 35,3077 56205 DMP DDV
028772,000547: 35,3100 00017 14D
028773,000548: 35,3101 00015 12D
028774,000549: 35,3102 77676 DCOMP # SINCE COS(180-A)=-COS A
028775,000550: 35,3103 00035 STORE 28D
028776,000551: 35,3104 44246 ABS BDSU
028777,000552: 35,3105 06520 DPHALF
028778,000553: 35,3106 77240 BMN VLOAD
028779,000554: 35,3107 03463 NORMEX
028780,000555: 35,3110 02261 UNRM
028781,000556: 35,3111 53435 VXV UNIT
028782,000557: 35,3112 00007 6D # UN*RA
028783,000558: 35,3113 41241 DOT DMP
028784,000559: 35,3114 03544 VACT3
028785,000560: 35,3115 00015 12D
028786,000561: 35,3116 47315 PDVL VXV
028787,000562: 35,3117 00001 0D
028788,000563: 35,3120 03560 VPASS3
028789,000564: 35,3121 53435 VXV UNIT
028790,000565: 35,3122 00001 0D # (RP*VP)*RP
028791,000566: 35,3123 41241 DOT DMP
028792,000567: 35,3124 03560 VPASS3
028793,000568: 35,3125 00017 14D
![]() |
Page 669 |
028795,000570: 35,3126 77621 BDSU
028796,000571: 35,3127 63301 NORM PDVL # NORMALIZED WA - WP 12D
028797,000572: 35,3130 00047 X1
028798,000573: 35,3131 00007 6D
028799,000574: 35,3132 50235 VXV DOT
028800,000575: 35,3133 00001 0D
028801,000576: 35,3134 02261 UNRM # RA*RP.UN 14D
028802,000577: 35,3135 50315 PDVL DOT
028803,000578: 35,3136 00001 0D
028804,000579: 35,3137 00007 6D
028805,000580: 35,3140 65552 SL1 ACOS
028806,000581: 35,3141 77765 SIGN
028807,000582: 35,3142 43225 DSU DAD # ALPHA PI
028808,000583: 35,3143 06520 DPHALF
028809,000584: 35,3144 02257 ELEV
028810,000585: 35,3145 65525 PDDL ACOS
028811,000586: 35,3146 00035 28D
028812,000587: 35,3147 75221 BDSU SIGN
028813,000588: 35,3150 06520 DPHALF
028814,000589: 35,3151 00037 30D # CONTAINS RP-RA
028815,000590: 35,3152 77615 DAD
028816,000591: 35,3153 56205 DMP DDV
028817,000592: 35,3154 33732 TWOPI
028818,000593: 35,3155 77605 DMP
028819,000594: 35,3156 41257 SL* DMP
028820,000595: 35,3157 20176 0 -3,1
028821,000596: 35,3160 51406 PUSH ABS
028822,000597: 35,3161 50025 DSU BMN
028823,000598: 35,3162 03574 SECMAX
028824,000599: 35,3163 73167 OKMAX
028825,000600: 35,3164 75345 DLOAD SIGN # REPLACE TIME WITH MAX TIME SIGNED
028826,000601: 35,3165 03574 SECMAX
028827,000602: 35,3166 77606 PUSH
028828,000603: 35,3167 51135 OKMAX SLOAD BPL # TEST FIRST ITERATION
028829,000604: 35,3170 03614 TITER
028830,000605: 35,3171 73177 REPETE
028831,000606: 35,3172 71331 SSP DLOAD
028832,000607: 35,3173 03614 TITER
028833,000608: 35,3174 37777 OCT 37777
028834,000609: 35,3175 77650 GOTO
028835,000610: 35,3176 73235 STORDELT
028836,000611: 35,3177 41345 REPETE DLOAD DMP
028837,000612: 35,3200 03576 DELEL
028838,000613: 35,3201 00033 DELELO
028839,000614: 35,3202 71244 BPL DLOAD
028840,000615: 35,3203 73213 NEXTES
028841,000616: 35,3204 03574 SECMAX
028842,000617: 35,3205 77605 DMP
028843,000618: 35,3206 33736 THIRD
028844,000619: 35,3207 17574 STODL SECMAX
![]() |
Page 670 |
028846,000621: 35,3210 70446 ABS SR1 # CROSSED OVER SOLUTION
028847,000622: 35,3211 52076 DCOMP GOTO # DT=(-SIGN(DTO)//DT//)/2
028848,000623: 35,3212 73223 RESIGN
028849,000624: 35,3213 51545 NEXTES DLOAD ABS
028850,000625: 35,3214 03576 DELEL
028851,000626: 35,3215 51525 PDDL ABS
028852,000627: 35,3216 00033 DELELO
028853,000628: 35,3217 77625 DSU
028854,000629: 35,3220 71240 BMN DLOAD
028855,000630: 35,3221 73226 REVERS # WRONG DIRECTION
028856,000631: 35,3222 77646 ABS
028857,000632: 35,3223 52165 RESIGN SIGN GOTO
028858,000633: 35,3224 03606 DELTEEO
028859,000634: 35,3225 73235 STORDELT
028860,000635: 35,3226 57545 REVERS DLOAD DCOMP
028861,000636: 35,3227 03606 DELTEEO
028862,000637: 35,3230 70406 PUSH SR1
028863,000638: 35,3231 03606 STORE DELTEEO
028864,000639: 35,3232 77615 DAD
028865,000640: 35,3233 77650 GOTO
028866,000641: 35,3234 73236 ADTIME
028867,000642: 35,3235 03606 STORDELT STORE DELTEEO
028868,000643: 35,3236 77615 ADTIME DAD
028869,000644: 35,3237 02317 NOMTPI # SUM OF DELTA T'S
028870,000645: 35,3240 02317 STORE NOMTPI
028871,000646: 35,3241 63375 VLOAD PDVL
028872,000647: 35,3242 03506 VAPREC
028873,000648: 35,3243 03500 RAPREC
028874,000649: 35,3244 77624 CALL
028875,000650: 35,3245 73462 GOINT
028876,000651: 35,3246 77624 CALL
028877,000652: 35,3247 46402 ACTIVE # STORE NEW RACT3 VACT3
028878,000653: 35,3250 63375 VLOAD PDVL
028879,000654: 35,3251 03530 VPPREC
028880,000655: 35,3252 03522 RPPREC
028881,000656: 35,3253 77624 CALL
028882,000657: 35,3254 73462 GOINT
028883,000658: 35,3255 77624 CALL
028884,000659: 35,3256 46412 PASSIVE # STORE NEW RPASS3 VPASS3
028885,000660: 35,3257 77650 GOTO
028886,000661: 35,3260 73004 ELCALC
028887,000662: 35,3261 43345 ELEX DLOAD DAD
028888,000663: 35,3262 03636 TTPI
028889,000664: 35,3263 02317 NOMTPI
028890,000665: 35,3264 17636 STODL TTPI
028891,000666: 35,3265 77614 BON
028892,000667: 35,3266 01310 ETPIFLAG
028893,000668: 35,3267 73271 TIMEX
028894,000669: 35,3270 02257 STORE ELEV
028895,000670: 35,3271 52145 TIMEX DLOAD GOTO
![]() |
Page 671 |
028897,000672: 35,3272 06522 ZEROVECS
028898,000673: 35,3273 03463 NORMEX
028899,000674:
![]() |
Page 672 |
028901,000676: # ***** S34/35.1 *****
028902,000677:
028903,000678: # COMPUTE UNIT NORMAL AND LINE OF SIGHT VECTORS GIVEN THE ACTIVE AND
028904,000679: # PASSIVE POS AND VEL AT TIME T3
028905,000680:
028906,000681: 35,3274 52375 S34/35.1 VLOAD VSU
028907,000682: 35,3275 03552 RPASS3
028908,000683: 35,3276 03536 RACT3
028909,000684: 35,3277 41456 UNIT PUSH
028910,000685: 35,3300 26311 STOVL ULOS
028911,000686: 35,3301 03536 RACT3
028912,000687: 35,3302 53435 VXV UNIT
028913,000688: 35,3303 03544 VACT3
028914,000689: 35,3304 02261 STORE UNRM
028915,000690: 35,3305 77616 RVQ
028916,000691:
![]() |
Page 673 |
028918,000693: # ***** S34/35.2 *****
028919,000694:
028920,000695: # ADVANCE PASSIVE VEH TO RENDEZVOUS TIME AND GET REQ VEL FROM LAMBERT
028921,000696:
028922,000697: 35,3306 77220 S34/35.2 STQ VLOAD
028923,000698: 35,3307 03470 SUBEXIT
028924,000699: 35,3310 03560 VPASS3
028925,000700: 35,3311 65315 PDVL PDDL
028926,000701: 35,3312 03552 RPASS3
028927,000702: 35,3313 03610 INTIME
028928,000703: 35,3314 65325 PDDL PDDL
028929,000704: 35,3315 03631 TPASS4
028930,000705: 35,3316 33732 TWOPI # CONIC
028931,000706: 35,3317 46125 PDDL BHIZ
028932,000707: 35,3320 03467 NN
028933,000708: 35,3321 73325 S3435.23
028934,000709: 35,3322 77745 DLOAD
028935,000710: 35,3323 41545 DLOAD PUSH
028936,000711: 35,3324 06522 ZEROVECS # PRECISION
028937,000712: 35,3325 77624 S3435.23 CALL
028938,000713: 35,3326 73466 INTINT # GET TARGET VECTOR
028939,000714: 35,3327 27444 S3435.25 STOVL RTARG
028940,000715: 35,3330 00007 VATT
028941,000716: 35,3331 27506 STOVL VPASS4
028942,000717: 35,3332 03444 RTARG
028943,000718: # COMPUTE PHI = PI + (ACOS(UNIT RA.UNIT RP) - PI)SIGN(RA*RP.U)
028944,000719: 35,3333 63256 UNIT PDVL # UNIT RP
028945,000720: 35,3334 03536 RACT3
028946,000721: 35,3335 41456 UNIT PUSH # UNIT RA
028947,000722: 35,3336 50235 VXV DOT
028948,000723: 35,3337 00001 0D
028949,000724: 35,3340 02261 UNRM # RA*RP.U
028950,000725: 35,3341 77715 PDVL
028951,000726: 35,3342 72441 DOT SL1 # UNIT RA.UNIT RP
028952,000727: 35,3343 00001 0D
028953,000728: 35,3344 75326 ACOS SIGN
028954,000729: 35,3345 43244 BPL DAD
028955,000730: 35,3346 73350 NOPIE
028956,000731: 35,3347 06530 DPPOSMAX # REASONABLE TWO PI
028957,000732: 35,3350 15756 NOPIE STODL ACTCENT
028958,000733: 35,3351 03631 TPASS4
028959,000734: 35,3352 77625 DSU
028960,000735: 35,3353 03610 INTIME
028961,000736: 35,3354 03452 STORE DELLT4
028962,000737: 35,3355 40335 SLOAD SETPD
028963,000738: 35,3356 03467 NN # NUMBER OF OFFSETS
028964,000739: 35,3357 00001 0D
028965,000740: 35,3360 63325 PDDL PDVL
028966,000741: 35,3361 33744 EPSFOUR
028967,000742: 35,3362 03536 RACT3
028968,000743: 35,3363 26323 STOVL RINIT
![]() |
Page 674 |
028970,000745: 35,3364 03544 VACT3
028971,000746: 35,3365 36331 STCALL VINIT
028972,000747: 35,3366 22000 INITVEL
028973,000748: 35,3367 77624 CALL
028974,000749: 35,3370 73447 LOMAT
028975,000750: 35,3371 64375 VLOAD MXV
028976,000751: 35,3372 02366 DELVEET3
028977,000752: 35,3373 00001 0D
028978,000753: 35,3374 77772 VSL1
028979,000754: 35,3375 37434 STCALL DELVLVC
028980,000755: 35,3376 03470 SUBEXIT
028981,000756:
![]() |
Page 675 |
028983,000758: # ***** S34/35.3 *****
028984,000759:
028985,000760: 35,3377 45020 S34/35.3 STQ CALL
028986,000761: 35,3400 03463 NORMEX
028987,000762: 35,3401 73447 LOMAT # GET MATRIX IN PUSH LIST
028988,000763: 35,3402 61375 VLOAD VXM
028989,000764: 35,3403 03434 DELVLVC # NEW DEL V TPI
028990,000765: 35,3404 00001 0D
028991,000766: 35,3405 77772 VSL1
028992,000767: 35,3406 02366 STORE DELVEET3 # SAVE FOR TRANSFORM
028993,000768: 35,3407 63255 VAD PDVL
028994,000769: 35,3410 03544 VACT3 # NEW V REQ
028995,000770: 35,3411 03536 RACT3
028996,000771: 35,3412 65325 PDDL PDDL
028997,000772: 35,3413 03442 TIG
028998,000773: 35,3414 03631 TPASS4
028999,000774: 35,3415 41525 PDDL PUSH
029000,000775: 35,3416 06530 DPPOSMAX
029001,000776: 35,3417 77624 CALL # INTEG. FOR NEW TARGET VEC
029002,000777: 35,3420 73466 INTINT
029003,000778: 35,3421 77775 VLOAD
029004,000779: 35,3422 00001 RATT
029005,000780: 35,3423 03444 STORE RTARG
029006,000781: 35,3424 41575 NOVRWRT VLOAD PUSH
029007,000782: 35,3425 02311 ULOS
029008,000783: 35,3426 57435 VXV VCOMP
029009,000784: 35,3427 02261 UNRM
029010,000785: 35,3430 41456 UNIT PUSH
029011,000786: 35,3431 76435 VXV VSL1
029012,000787: 35,3432 02311 ULOS
029013,000788: 35,3433 77715 PDVL
029014,000789: 35,3434 64315 PDVL MXV
029015,000790: 35,3435 02366 DELVEET3
029016,000791: 35,3436 00001 0D
029017,000792: 35,3437 77772 VSL1
029018,000793: 35,3440 36303 STCALL DVLOS
029019,000794: 35,3441 03463 NORMEX
029020,000795:
![]() |
Page 676 |
029022,000797: # ***** S34/35.4 *****
029023,000798:
029024,000799: 35,3442 40220 S34/35.4 STQ SETPD # NO ASTRONAUT OVERWRITE
029025,000800: 35,3443 03463 NORMEX
029026,000801: 35,3444 00001 0D
029027,000802: 35,3445 77650 GOTO
029028,000803: 35,3446 73424 NOVRWRT
029029,000804:
![]() |
Page 677 |
029031,000806: # ***** LOMAT *****
029032,000807:
029033,000808: 35,3447 57575 LOMAT VLOAD VCOMP
029034,000809: 35,3450 02261 UNRM
029035,000810: 35,3451 24007 STOVL 6D # Y
029036,000811: 35,3452 03536 RACT3
029037,000812: 35,3453 57456 UNIT VCOMP
029038,000813: 35,3454 00015 STORE 12D
029039,000814: 35,3455 76435 VXV VSL1
029040,000815: 35,3456 02261 UNRM # Z*-Y
029041,000816: 35,3457 00001 STORE 0D
029042,000817: 35,3460 43401 SETPD RVQ
029043,000818: 35,3461 00023 18D
029044,000819: 35,3462 65325 GOINT PDDL PDDL # DO
029045,000820: 35,3463 06522 ZEROVECS # NOT
029046,000821: 35,3464 02317 NOMTPI
029047,000822: 35,3465 41406 PUSH PUSH # ORDER OR INSERT BEFORE INTINT
029048,000823: 35,3466 45020 INTINT STQ CALL
029049,000824: 35,3467 03465 RTRN
029050,000825: 35,3470 27414 INTSTALL
029051,000826: 35,3471 71214 CLEAR DLOAD
029052,000827: 35,3472 01673 INTYPFLG
029053,000828: 35,3473 43054 BZE SET
029054,000829: 35,3474 73476 +2
029055,000830: 35,3475 01473 INTYPFLG
029056,000831: 35,3476 45545 DLOAD STADR
029057,000832: 35,3477 63736 STODL TDEC1
029058,000833: 35,3500 73014 SET LXA,2
029059,000834: 35,3501 00063 MOONFLAG
029060,000835: 35,3502 02777 RTX2
029061,000836: 35,3503 43014 BON CLEAR
029062,000837: 35,3504 04303 CMOONFLG
029063,000838: 35,3505 73507 ALLSET
029064,000839: 35,3506 00263 MOONFLAG
029065,000840: 35,3507 25517 ALLSET STOVL TET
029066,000841: 35,3510 77657 VSR*
029067,000842: 35,3511 57176 0,2
029068,000843: 35,3512 25535 STOVL RCV
029069,000844: 35,3513 77657 VSR*
029070,000845: 35,3514 57176 0,2
029071,000846: 35,3515 35543 STCALL VCV
029072,000847: 35,3516 27107 INTEGRVS
029073,000848: 35,3517 52175 VLOAD GOTO
029074,000849: 35,3520 00001 RATT
029075,000850: 35,3521 03465 RTRN
029076,000851:
![]() |
Page 678 |
029078,000853: # ***** S34/35.5 *****
029079,000854: # SUBROUTINES USED
029080,000855: # BANKCALL
029081,000856: # GOFLASH
029082,000857: # GOTOP00H
029083,000858: # S34/35.3
029084,000859: # S34.35.4
029085,000860: # VNP00H
029086,000861:
029087,000862: 35,3522 43020 S34/35.5 STQ BON
029088,000863: 35,3523 03470 SUBEXIT
029089,000864: 35,3524 01311 FINALFLG
029090,000865: 35,3525 73531 FLAGON
029091,000866: 35,3526 52014 SET GOTO
029092,000867: 35,3527 00470 UPDATFLG
029093,000868: 35,3530 73576 FLAGOFF
029094,000869: 35,3531 77214 FLAGON CLEAR VLOAD
029095,000870: 35,3532 03274 NTARGFLG
029096,000871: 35,3533 03434 DELVLVC
029097,000872: 35,3534 01237 STORE GDT/2
029098,000873: 35,3535 77776 EXIT
029099,000874: 35,3536 33727 +5 CAF V06N81
029100,000875: 35,3537 04616 TC BANKCALL
029101,000876: 35,3540 20476 CADR GOFLASH
029102,000877: 35,3541 06001 TC GOTOP00H
029103,000878: 35,3542 03544 TC +2 # PRO
029104,000879: 35,3543 03536 TC FLAGON +5 # LOAD
029105,000880: 35,3544 35016 +2 CA EBANK7
029106,000881: 35,3545 54003 TS EBANK # TO BE SURE
029107,000882:
029108,000883: 35,3546 22007 ZL
029109,000884: 35,3547 34756 CA FIVE
029110,000885: 35,3550 54002 NTARGCHK TS Q
029111,000886: 35,3551 50002 INDEX Q
029112,000887: 35,3552 41433 CS DELVLVC
029113,000888: 35,3553 50002 INDEX Q
029114,000889: 35,3554 61236 AD GDT/2
029115,000890: 35,3555 26001 ADS L
029116,000891: 35,3556 10002 CCS Q
029117,000892: 35,3557 13550 TCF NTARGCHK
029118,000893: 35,3560 22000 LXCH A
029119,000894: 35,3561 00006 EXTEND
029120,000895: 35,3562 13565 BZF +3
029121,000896: 35,3563 05504 TC UPFLAG
029122,000897: 35,3564 00146 ADRES NTARGFLG
029123,000898:
029124,000899: 35,3565 06037 TC INTPRET
029125,000900: 35,3566 45014 BOFF CALL
029126,000901: 35,3567 03354 NTARGFLG
![]() |
Page 679 |
029128,000903: 35,3570 73572 NOCHG
029129,000904: 35,3571 73377 S34/35.3
029130,000905: 35,3572 77214 NOCHG CLEAR VLOAD
029131,000906: 35,3573 01267 XDELVFLG
029132,000907: 35,3574 02366 DELVEET3
029133,000908: 35,3575 03656 STORE DELVSIN
029134,000909: 35,3576 77624 FLAGOFF CALL
029135,000910: 35,3577 73442 S34/35.4
029136,000911: 35,3600 77776 EXIT
029137,000912: 35,3601 33726 CAF V06N59
029138,000913: 35,3602 03712 TC VNP00H
029139,000914: 35,3603 06037 TC INTPRET
029140,000915: 35,3604 77650 GOTO
029141,000916: 35,3605 03470 SUBEXIT
029142,000917:
![]() |
Page 680 |
029144,000919: # ***** VN1645 *****
029145,000920:
029146,000921: # SUBROUTINES USED
029147,000922: # P3XORP7X
029148,000923: # GET+MGA
029149,000924: # BANKCALL
029150,000925: # DELAYJOB
029151,000926: # COMPTGO
029152,000927: # GOFLASHR
029153,000928: # GOTOP00H
029154,000929: # FLAGUP
029155,000930:
029156,000931: 35,3606 71220 VN1645 STQ DLOAD
029157,000932: 35,3607 03470 SUBEXIT
029158,000933: 35,3610 33742 DP-.01
029159,000934: 35,3611 02253 STORE +MGA # MGA = -.01
029160,000935: 35,3612 71214 BOFF DLOAD
029161,000936: 35,3613 01351 FINALFLG
029162,000937: 35,3614 73634 GET45
029163,000938: 35,3615 33742 DP-.01
029164,000939: 35,3616 77615 DAD
029165,000940: 35,3617 33742 DP-.01
029166,000941: 35,3620 02253 STORE +MGA # MGA = -.02
029167,000942: 35,3621 77414 BOFF EXIT
029168,000943: 35,3622 01742 REFSMFLG
029169,000944: 35,3623 73634 GET45
029170,000945: 35,3624 03704 TC P3XORP7X
029171,000946: 35,3625 03627 TC +2 # P3X
029172,000947: 35,3626 03635 TC GET45 +1 # P7X
029173,000948: 35,3627 06037 TC INTPRET
029174,000949: 35,3630 41575 VLOAD PUSH
029175,000950: 35,3631 03656 DELVSIN
029176,000951: 35,3632 77624 CALL # COMPUTE MGA
029177,000952: 35,3633 15717 GET+MGA
029178,000953: 35,3634 77776 GET45 EXIT
029179,000954: 35,3635 02432 TC COMPTGO # INITIATE TASK TO UPDATE TTOGO
029180,000955: 35,3636 31470 CA SUBEXIT
029181,000956: 35,3637 55464 TS QSAVED
029182,000957: 35,3640 34777 CAF 1SEC
029183,000958: 35,3641 04616 TC BANKCALL
029184,000959: 35,3642 01735 CADR DELAYJOB
029185,000960: 35,3643 33730 CAF V16N45 # TRKMKCNT, TTOGO, +MGA
029186,000961: 35,3644 04616 TC BANKCALL
029187,000962: 35,3645 20476 CADR GOFLASH
029188,000963: 35,3646 03651 TC KILCLOCK # TERMINATE
029189,000964: 35,3647 03654 TC N45PROC # PROCEED
029190,000965: 35,3650 03664 TC CLUPDATE # RECYCLE -- RETURN FOR INITIAL COMPUTATION
029191,000966: 35,3651 30005 KILCLOCK CA Z
029192,000967: 35,3652 55163 TS DISPDEX
![]() |
Page 681 |
029194,000969: 35,3653 06001 TC GOTOP00H
029195,000970: 35,3654 40076 N45PROC CS FLAGWRD2
029196,000971: 35,3655 74746 MASK BIT6
029197,000972: 35,3656 00006 EXTEND
029198,000973: 35,3657 13651 BZF KILCLOCK # FINALFLG IS SET -- FLASH V37 -- AWAIT NEW PGM
029199,000974: 35,3660 05353 TC PHASCHNG
029200,000975: 35,3661 04024 OCT 04024
029201,000976: 35,3662 05504 TC UPFLAG # SET
029202,000977: 35,3663 00047 ADRES FINALFLG # FINALFLG
029203,000978: 35,3664 30005 CLUPDATE CA Z
029204,000979: 35,3665 55163 TS DISPDEX
029205,000980: 35,3666 05353 TC PHASCHNG
029206,000981: 35,3667 04024 OCT 04024
029207,000982: 35,3670 06037 TC INTPRET
029208,000983: 35,3671 52014 CLEAR GOTO
029209,000984: 35,3672 00670 UPDATFLG
029210,000985: 35,3673 03464 QSAVED
029211,000986:
![]() |
Page 682 |
029213,000988: # ***** DISPLAYE *****
029214,000989:
029215,000990: # SUBROUTINES USED
029216,000991: # BANKCALL
029217,000992: # GOFLASHR
029218,000993: # GOTOP00H
029219,000994: # BLANKET
029220,000995: # ENDOFJOB
029221,000996:
029222,000997: 35,3674 00006 DISPLAYE EXTEND
029223,000998: 35,3675 23463 QXCH NORMEX
029224,000999: 35,3676 33724 CAF V06N55
029225,001000: 35,3677 04616 TCR BANKCALL
029226,001001: 35,3700 20476 CADR GOFLASH
029227,001002: 35,3701 16001 TCF GOTOP00H
029228,001003: 35,3702 01463 TC NORMEX
029229,001004: 35,3703 13676 TCF -5
029230,001005:
![]() |
Page 683 |
029232,001007: # ***** P3XORP7X *****
029233,001008:
029234,001009: 35,3704 37744 P3XORP7X CAF HIGH9
029235,001010: 35,3705 71011 MASK MODREG
029236,001011: 35,3706 00006 EXTEND
029237,001012: 35,3707 13711 BZF +2
029238,001013: 35,3710 24002 INCR Q
029239,001014: 35,3711 00002 RETURN
029240,001015:
029241,001016: # ***** VNP00H *****
029242,001017:
029243,001018: # SUBROUTINES USED
029244,001019: # BANKCALL
029245,001020: # GOFLASH
029246,001021: # GOTOP00H
029247,001022:
029248,001023: 35,3712 00006 VNP00H EXTEND
029249,001024: 35,3713 23465 QXCH RTRN
029250,001025: 35,3714 55615 TS VERBNOUN
029251,001026: 35,3715 31615 CA VERBNOUN
029252,001027: 35,3716 04616 TCR BANKCALL
029253,001028: 35,3717 20476 CADR GOFLASH
029254,001029: 35,3720 16001 TCF GOTOP00H
029255,001030: 35,3721 01465 TC RTRN
029256,001031: 35,3722 13715 TCF -5
029257,001032:
![]() |
Page 684 |
029259,001034: # ***** CONSTANTS *****
029260,001035:
029261,001036: 35,3723 01445 V06N37 VN 0637
029262,001037: 35,3724 01467 V06N55 VN 0655
029263,001038: 35,3725 01472 V06N58 VN 0658
029264,001039: 35,3726 01473 V06N59 VN 0659
029265,001040: 35,3727 01521 V06N81 VN 0681
029266,001041: 35,3730 04055 V16N45 VN 1645
029267,001042: 35,3731 14441 37325 TWOPI 2DEC 6.283185307 B-4
029268,001043:
029269,001044: 35,3733 00001 20650 MAX250 2DEC 25 E3
029270,001045:
029271,001046: 35,3735 12525 12525 THIRD 2DEC .333333333
029272,001047:
029273,001048: 35,3737 00004 21505 ELEPS 2DEC .27777777 E-3
029274,001049:
029275,001050: 35,3741 77777 DP-.01 OCT 77777 # CONSTANTS
029276,001051: 35,3742 61337 OCT 61337 # ADJACENT -.01 FOR MGA DSP
029277,001052: 35,3743 01252 25253 EPSFOUR 2DEC .0416666666
029278,001053:
029279,001054: 35,3745 13434 16162 130DEG 2DEC .3611111111
029280,001055:
![]() |
Page 685 |
029282,001057: # ***** INITVEL *****
029283,001058:
029284,001059: # MOD NO -1 LOG SECTION -- P34-P35, P74-P75
029285,001060: # MOD BY WHITE, P. DATE: 21 NOV 67
029286,001061:
029287,001062: # FUNCTIONAL
029288,001063:
029289,001064: # THIS SUBROUTINE COMPUTES THE REQUIRED INITIAL VELOCITY VECTOR FOR
029290,001065: # A TRAJECTORY OF SPECIFIC TRANSFER TIME BETWEEN SPECIFIED INITIAL
029291,001066: # AND TARGET POSITIONS. THE TRAJECTORY MAY BE EITHER CONIC OR
029292,001067: # PRECISION DEPENDING ON AN INPUT PARAMETER (NAMELY, NUMBER OF
029293,001068: # OFFSETS). IN ADDITION, IN THE PRECISION TRAJECTORY CASE, THE
029294,001069: # SUBROUTINE ALSO COMPUTES AN OFFSET TARGET VECTOR, TO BE USED
029295,001070: # DURING PURE-CONIC CROSS-PRODUCT STEERING. THE OFFSET TARGET
029296,001071: # VECTOR IS THE TERMINAL POSITION VECTOR OF A CONIC TRAJECTORY WHICH
029297,001072: # HAS THE SAME INITIAL STATE AS A PRECISION TRAJECTORY WHOSE
029298,001073: # TERMINAL POSITION VECTOR IS THE SPECIFIED TARGET VECTOR.
029299,001074:
029300,001075: # IN ORDER TO AVOID THE INHERENT SINGULARITIES IN THE 180 DEGREE
029301,001076: # TRANSFER CASE WHEN THE (TRUE OR OFFSET) TARGET VECTOR MAY BE
029302,001077: # SLIGHTLY OUT OF THE ORBITAL PLANE, THIS SUBROUTINE ROTATES THIS
029303,001078: # VECTOR INTO A PLANE DEFINED BY THE INPUT INITIAL POSITION VECTOR
029304,001079: # AND ANOTHER INPUT VECTOR (USUALLY THE INITIAL VELOCITY VECTOR),
029305,001080: # WHENEVER THE INPUT TARGET VECTOR LIES INSIDE A CONE WHOSE VERTEX
029306,001081: # IS THE ORIGIN OF COORDINATES, WHOSE AXIS IS THE 180 DEGREE
029307,001082: # TRANSFER DIRECTION, AND WHOSE CONE ANGLE IS SPECIFIED BY THE USER.
029308,001083:
029309,001084: # THE LAMBERT SUBROUTINE IS UTILIZED FOR THE CONIC COMPUTATIONS AND
029310,001085: # THE COASTING INTEGRATION SUBROUTINE IS UTILIZED FOR THE PRECISION
029311,001086: # TRAJECTORY COMPUTATIONS.
029312,001087:
029313,001088: # CALLING SEQUENCE
029314,001089:
029315,001090: # L CALL
029316,001091: # L+1 INITVEL
029317,001092: # L+2 (RETURN -- ALWAYS)
029318,001093:
029319,001094: # INPUT
029320,001095:
029321,001096: # (1) RINIT INITIAL POSITION RADIUS VECTOR
029322,001097: # (2) VINIT INITIAL POSITION VELOCITY VECTOR
029323,001098: # (3) RTARG TARGET POSITION RADIUS VECTOR
029324,001099: # (4) DELLT4 DESIRED TIME OF FLIGHT FROM RINIT TO RTARG
029325,001100: # (5) INTIME TIME OF RINIT
029326,001101: # (6) 0D NUMBER OF ITERATIONS OF LAMBERT/INTEGRVS
029327,001102: # (7) 2D ANGLE TO 180 DEGREES WHEN ROTATION STARTS
029328,001103: # (8) RTX1 -2 FOR EARTH, -10D FOR LUNAR
029329,001104: # (9) RTX2 COORDINATE SYSTEM ORIGIN -- 0 FOR EARTH, 2 FOR LUNAR
029330,001105: # PUSHLOC SET AT 4D
029331,001106:
![]() |
Page 686 |
029333,001108: # OUTPUT
029334,001109:
029335,001110: # (1) RTARG OFFSET TARGET POSITION VECTOR
029336,001111: # (2) VIPRIME MANEUVER VELOCITY REQUIRED
029337,001112: # (3) VTPRIME VELOCITY AT TARGET AFTER MANEUVER
029338,001113: # (4) DELVEET3 DELTA VELOCITY REQUIRED FOR MANEUVER
029339,001114:
029340,001115: # SUBROUTINES USED
029341,001116:
029342,001117: # LAMBERT
029343,001118: # INTSTALL
029344,001119: # INTEGRVS
029345,001120:
029346,001121: 11,2000 SETLOC INTVEL
029347,001122: 11,2000 BANK
029348,001123:
029349,001124: 11,2000 COUNT* $$/INITV
029350,001125: 11,2000 77614 INITVEL SET # COGA GUESS NOT AVAILABLE
029351,001126: 11,2001 00475 GUESSW
029352,001127: 11,2002 44175 HAVEGUES VLOAD STQ
029353,001128: 11,2003 03444 RTARG
029354,001129: 11,2004 03463 NORMEX
029355,001130: 11,2005 03472 STORE RTARG1
029356,001131: 11,2006 77646 ABVAL
029357,001132: 11,2007 03723 STORE RTMAG
029358,001133: 11,2010 46135 SLOAD BHIZ
029359,001134: 11,2011 03000 RTX2
029360,001135: 11,2012 22026 INITVEL1
029361,001136: 11,2013 72575 VLOAD VSL2
029362,001137: 11,2014 02323 RINIT # B29
029363,001138: 11,2015 26323 STOVL RINIT # B27
029364,001139: 11,2016 02331 VINIT # B7
029365,001140: 11,2017 77752 VSL2
029366,001141: 11,2020 26331 STOVL VINIT # B5
029367,001142: 11,2021 03472 RTARG1
029368,001143: 11,2022 77752 VSL2
029369,001144: 11,2023 03472 STORE RTARG1
029370,001145: 11,2024 77646 ABVAL
029371,001146: 11,2025 03723 STORE RTMAG
029372,001147:
029373,001148: # INITIALIZATION
029374,001149:
029375,001150: 11,2026 71331 INITVEL1 SSP DLOAD # SET ITCTR TO -1,LOAD MPAC WITH E4 (PL 2D)
029376,001151: 11,2027 03617 ITCTR
029377,001152: 11,2030 77776 0 -1
029378,001153: 11,2031 70546 COSINE SR1 # CALCULATE COSINE (E4) (+2)
029379,001154: 11,2032 17667 STODL COZY4 # SET COZY4 TO COSINE (E4) (PL 0D)
029380,001155: 11,2033 67154 LXA,2 SXA,2
029381,001156: 11,2034 00154 MPAC
029382,001157: 11,2035 02701 VTARGTAG # SET VTARGTAG TO 0D (SP)
029383,001158: 11,2036 77775 VLOAD
![]() |
Page 687 |
029385,001160: 11,2037 02323 RINIT
029386,001161: 11,2040 26655 STOVL R1VEC # R1VEC EQ RINIT
029387,001162: 11,2041 03472 RTARG1
029388,001163: 11,2042 16663 STODL R2VEC # R2VEC EQ RTARG
029389,001164: 11,2043 03452 DELLT4
029390,001165: 11,2044 02671 STORE TDESIRED # TDESIRED EQ DELLT4
029391,001166: 11,2045 77201 SETPD VLOAD
029392,001167: 11,2046 00001 0D # INITIALIZE PL TO 0D
029393,001168: 11,2047 02323 RINIT # MPAC EQ RINIT (+29)
029394,001169: 11,2050 41456 UNIT PUSH # UNIT(RI) (+1) (PL 6D)
029395,001170: 11,2051 53435 VXV UNIT
029396,001171: 11,2052 02331 VINIT # MPAC EQ UNIT(RI) X VI (+8)
029397,001172: 11,2053 26674 STOVL UN
029398,001173: 11,2054 03472 RTARG1
029399,001174: 11,2055 50256 UNIT DOT # TEMP*RT.URI (+2) (PL 0D)
029400,001175: 11,2056 43015 DAD CLEAR
029401,001176: 11,2057 03667 COZY4
029402,001177: 11,2060 03665 NORMSW
029403,001178: 11,2061 03667 STORE COZY4
029404,001179: 11,2062 43044 INITVEL2 BPL SET
029405,001180: 11,2063 22105 INITVEL3 # UN CALCULATED IN LAMBERT
029406,001181: 11,2064 03465 NORMSW
029407,001182:
029408,001183: # ROTATE RC INTO YC PLANE -- SET UNIT NORMAL TO YC
029409,001184:
029410,001185: 11,2065 41575 VLOAD PUSH # (PL 6D)
029411,001186: 11,2066 02663 R2VEC # RC TO 6D (+29)
029412,001187: 11,2067 63246 ABVAL PDVL # RC TO MPAC, ABVAL(RC) (+29) TO OD (PL 2D)
029413,001188: 11,2070 46206 PUSH VPROJ # (PL 8D)
029414,001189: 11,2071 02674 UN
029415,001190: 11,2072 51352 VSL2 BVSU
029416,001191: 11,2073 74256 UNIT VXSC # (PL 0D)
029417,001192: 11,2074 77772 VSL1
029418,001193: 11,2075 02663 STORE R2VEC
029419,001194: 11,2076 67351 TLOAD SLOAD
029420,001195: 11,2077 24007 ZEROVEC
029421,001196: 11,2100 03617 ITCTR
029422,001197: 11,2101 77244 BPL VLOAD
029423,001198: 11,2102 22105 INITVEL3
029424,001199: 11,2103 02663 R2VEC
029425,001200: 11,2104 03472 STORE RTARG1
029426,001201: 11,2105 63345 INITVEL3 DLOAD PDVL # (PL 2D)
029427,001202: 11,2106 26007 MUEARTH # POSITIVE VALUE
029428,001203: 11,2107 02663 R2VEC
029429,001204: 11,2110 63256 UNIT PDVL # 2D = UNIT(R2VEC) (PL 8D)
029430,001205: 11,2111 02655 R1VEC
029431,001206: 11,2112 41456 UNIT PUSH # 8D = UNIT(R1VEC) (PL 14D)
029432,001207: 11,2113 57435 VXV VCOMP # -N = UNIT(R2VEC) X UNIT(R1VEC)
029433,001208: 11,2114 00003 2D
029434,001209: 11,2115 77606 PUSH # (PL 20D)
029435,001210: 11,2116 71350 LXA,1 DLOAD
![]() |
Page 688 |
029437,001212: 11,2117 02776 RTX1
029438,001213: 11,2120 00023 18D
029439,001214: 11,2121 62040 BMN INCR,1
029440,001215: 11,2122 22124 +2
029441,001216: 11,2123 77767 DEC -8 B-14
029442,001217: 11,2124 67310 INCR,1 SLOAD
029443,001218: 11,2125 00012 10D
029444,001219: 11,2126 00047 X1
029445,001220: 11,2127 77230 BHIZ VLOAD # (PL 14D)
029446,001221: 11,2130 22132 +2
029447,001222: 11,2131 41476 VCOMP PUSH # (PL 20D)
029448,001223: 11,2132 77775 VLOAD # (PL 14D)
029449,001224: 11,2133 50235 VXV DOT # (PL 2D)
029450,001225: 11,2134 71244 BPL DLOAD # (PL 0D)
029451,001226: 11,2135 22137 INITVEL4
029452,001227: 11,2136 41476 DCOMP PUSH # (PL 2D)
029453,001228: 11,2137 67154 INITVEL4 LXA,2 SXA,2
029454,001229: 11,2140 00000 0D
029455,001230: 11,2141 02672 GEOMSGN
029456,001231:
029457,001232: # SET INPUTS UP FOR LAMBERT
029458,001233:
029459,001234: 11,2142 45150 LXA,1 CALL
029460,001235: 11,2143 02776 RTX1
029461,001236:
029462,001237: # OPERATE THE LAMBERT CONIC ROUTINE (COASTFLT SUBROUTINE)
029463,001238:
029464,001239: 11,2144 23765 SETITCTR # GO TO END OF BANK TO SET ITERCTR BEFORE
029465,001240: # CALLING LAMBER (FOR REMANUFACTURE ONLY)
029466,001241:
029467,001242: # ARRIVED AT SOLUTION IS GOOD ENOUGH ACCORDING TO SLIGHTLY WIDER BOUNDS.
029468,001243:
029469,001244: 11,2145 77214 CLEAR VLOAD
029470,001245: 11,2146 00675 GUESSW
029471,001246: 11,2147 02744 VVEC
029472,001247:
029473,001248: # STORE CALCULATED INITIAL VELOCITY REQUIRED IN VIPRIME
029474,001249:
029475,001250: 11,2150 16337 STODL VIPRIME # INITIAL VELOCITY REQUIRED (+7)
029476,001251:
029477,001252: # IF NUMIT IS ZERO, CONTINUE AT INITVELB, OTHERWISE
029478,001253: # SET UP INPUTS FOR ENCKE INTEGRATION (INTEGRVS).
029479,001254:
029480,001255: 11,2151 02702 VTARGTAG
029481,001256: 11,2152 45030 BHIZ CALL
029482,001257: 11,2153 22230 INITVEL7
029483,001258: 11,2154 27414 INTSTALL
029484,001259: 11,2155 43135 SLOAD CLEAR
029485,001260: 11,2156 03000 RTX2
029486,001261: 11,2157 00263 MOONFLAG
029487,001262: 11,2160 43030 BHIZ SET
029488,001263: 11,2161 22163 INITVEL5
![]() |
Page 689 |
029490,001265: 11,2162 00063 MOONFLAG
029491,001266: 11,2163 77775 INITVEL5 VLOAD
029492,001267: 11,2164 02323 RINIT
029493,001268: 11,2165 02655 STORE R1VEC
029494,001269: 11,2166 25535 STOVL RCV
029495,001270: 11,2167 02337 VIPRIME
029496,001271: 11,2170 15543 STODL VCV
029497,001272: 11,2171 03610 INTIME
029498,001273: 11,2172 01517 STORE TET
029499,001274: 11,2173 43015 DAD CLEAR
029500,001275: 11,2174 03452 DELLT4
029501,001276: 11,2175 01673 INTYPFLG
029502,001277: 11,2176 34041 STCALL TDEC1
029503,001278: 11,2177 27107 INTEGRVS
029504,001279: 11,2200 77775 VLOAD
029505,001280: 11,2201 00025 VATT1
029506,001281: 11,2202 02703 STORE VTARGET
029507,001282:
029508,001283: # IF ITERATION COUNTER (ITCTR) EQ NO. ITERATIONS (NUMIT), CONTINUE AT
029509,001284: # INITVELC, OTHERWISE REITERATE LAMBERT AND ENCKE
029510,001285:
029511,001286: 11,2203 63154 LXA,2 INCR,2
029512,001287: 11,2204 03616 ITCTR
029513,001288: 11,2205 00001 1D # INCREMENT ITCTR
029514,001289: 11,2206 55134 SXA,2 XSU,2
029515,001290: 11,2207 03616 ITCTR
029516,001291: 11,2210 02701 VTARGTAG
029517,001292: 11,2211 46135 SLOAD BHIZ # IF SP(MPAC) EQ 0, CONTINUE AT INITVELC
029518,001293: 11,2212 00050 X2
029519,001294: 11,2213 22225 INITVEL6
029520,001295:
029521,001296: # OFFSET CONIC TARGET VECTOR
029522,001297:
029523,001298: 11,2214 52375 VLOAD VSU
029524,001299: 11,2215 03472 RTARG1
029525,001300: 11,2216 00017 RATT1
029526,001301: 11,2217 77655 VAD
029527,001302: 11,2220 02663 R2VEC
029528,001303: 11,2221 16663 STODL R2VEC
029529,001304: 11,2222 03667 COZY4
029530,001305: 11,2223 77650 GOTO
029531,001306: 11,2224 22062 INITVEL2 # CONTINUE ITERATING AT INITVEL2
029532,001307:
029533,001308: # COMPUTE THE DELTA VELOCITY
029534,001309:
029535,001310: 11,2225 77775 INITVEL6 VLOAD
029536,001311: 11,2226 02663 R2VEC
029537,001312: 11,2227 03472 STORE RTARG1
029538,001313: 11,2230 52375 INITVEL7 VLOAD VSU
029539,001314: 11,2231 02337 VIPRIME
029540,001315: 11,2232 02331 VINIT
029541,001316: 11,2233 26366 STOVL DELVEET3 # DELVEET3 = VIPRIME-VINIT (+7)
![]() |
Page 690 |
029543,001318: 11,2234 02703 VTARGET
029544,001319: 11,2235 03566 STORE VTPRIME
029545,001320: 11,2236 46135 SLOAD BHIZ
029546,001321: 11,2237 03000 RTX2
029547,001322: 11,2240 22255 INITVELX
029548,001323: 11,2241 70575 VLOAD VSR2
029549,001324: 11,2242 03566 VTPRIME
029550,001325: 11,2243 27566 STOVL VTPRIME
029551,001326: 11,2244 02337 VIPRIME
029552,001327: 11,2245 77742 VSR2
029553,001328: 11,2246 26337 STOVL VIPRIME
029554,001329: 11,2247 03472 RTARG1
029555,001330: 11,2250 77742 VSR2
029556,001331: 11,2251 27472 STOVL RTARG1
029557,001332: 11,2252 02366 DELVEET3
029558,001333: 11,2253 77742 VSR2
029559,001334: 11,2254 02366 STORE DELVEET3
029560,001335: 11,2255 70750 INITVELX LXA,1 DLOAD*
029561,001336: 11,2256 02776 RTX1
029562,001337: 11,2257 10003 MUTABLE -2,1
029563,001338: 11,2260 41206 PUSH DMP
029564,001339: 11,2261 02742 R1A
029565,001340: 11,2262 56342 SR1 DDV
029566,001341: 11,2263 00041 R1
029567,001342: 11,2264 17721 STODL MU/A
029568,001343: 11,2265 77661 SR
029569,001344: 11,2266 20607 6
029570,001345: 11,2267 03717 STORE MUASTEER
029571,001346: 11,2270 77201 SETPD VLOAD
029572,001347: 11,2271 00001 0D
029573,001348: 11,2272 03472 RTARG1
029574,001349: 11,2273 37444 STCALL RTARG
029575,001350: 11,2274 03463 NORMEX
029576,001351:
029577,001352: # ***** END OF INITVEL ROUTINE *****
029578,001353:
![]() |
Page 691 |
029580,001355: # ***** MIDGIM *****
029581,001356:
029582,001357: # MOD NO. 0, BY WILLMAN, SUBROUTINE RENDGUID, LOG P34-P35, P74-P75
029583,001358: # REVISION 03, 17 FEB 67
029584,001359:
029585,001360: # IF THE ACTIVE VEHICLE IS DOING THE COMPUTATION, MIDGIM COMPUTES
029586,001361: # THE POSITIVE MIDDLE GIMBAL ANGLE OF THE ACTIVE VEHICLE TO THE INPUT
029587,001362: # DELTA VELOCITY VECTOR (0D IN PUSH LIST), OTHERWISE
029588,001363: # MIDGIM CONVERTS THE INPUT DELTA VELOCITY VECTOR FROM INERTIAL COORDIN-
029589,001364: # ATES TO LOCAL VERTICAL COORDINATES OF THE ACTIVE VEHICLE.
029590,001365:
029591,001366: # ** INPUTS **
029592,001367:
029593,001368: # NAME MEANING UNITS/SCALING/MODE
029594,001369:
029595,001370: # AVFLAG INT FLAG -- 0 IS CSM ACTIVE, 1 IS LEM ACTIVE BIT
029596,001371: # RINIT ACTIVE VEHICLE RADIUS VECTOR METERS/CSEC (+7) VT
029597,001372: # VINIT ACTIVE VEHICLE VELOCITY VECTOR METERS/CSEC (+7) VT
029598,001373: # 0D(PL) ACTIVE VEHICLE DELTA VELOCITY VECTOR METERS/CSEC (+7) VT
029599,001374:
029600,001375: # ** OUTPUTS **
029601,001376:
029602,001377: # NAME MEANING UNITS/SCALING/MODE
029603,001378:
029604,001379: # +MGA + MIDDLE GIMBAL ANGLE REVOLUTIONS (+0) DP
029605,001380: # DELVLVC DELTA VELOCITY VECTOR IN LV COORD. METERS/CSEC (+7) VT
029606,001381: # MGLVFLAG INT FLAG: 0 IS +MGA COMPUTED, 1 IS DELVLVC COMP. BIT
029607,001382:
029608,001383: # ** CALLING SEQUENCE **
029609,001384:
029610,001385: # L CALL
029611,001386: # L+1 MIDGIM
029612,001387: # L+2 (RETURN -- ALWAYS)
029613,001388:
029614,001389: # ** NO SUBROUTINES CALLED **
029615,001390:
029616,001391: # ** DEBRIS -- ERASABLE TEMPORARY USAGE **
029617,001392:
029618,001393: # A,Q,L, PUSH LIST, MPAC.
029619,001394:
029620,001395: # ** ALARMS -- NONE **
029621,001396:
![]() |
Page 692 |
029623,001398: # MIDDLE GIMBAL ANGLE COMPUTATION.
029624,001399:
029625,001400: 06,2000 SETLOC MIDDGIM
029626,001401: 06,2000 BANK
029627,001402:
029628,001403: 06,3715 COUNT* $$/MIDG
029629,001404:
029630,001405: 06,3715 20000 00000 HALFREV 2DEC 1 B-1
029631,001406:
029632,001407: 06,3717 53575 GET+MGA VLOAD UNIT # (PL 0D) V (+7) TO MPAC UNITIZE UV (+1)
029633,001408: 06,3720 77656 UNIT
029634,001409: 06,3721 72441 DOT SL1 # DOT UV WITH Y(STABLE MEMBER) AND RESCALE
029635,001410: 06,3722 01742 REFSMMAT +6 # FROM +2 TO +1 FOR ASIN ROUTINE
029636,001411: 06,3723 51136 ARCSIN BPL
029637,001412: 06,3724 15730 SETMGA
029638,001413: 06,3725 43215 DAD DAD # CONVERT -MGA TO +MGA BY
029639,001414: 06,3726 15716 HALFREV # ADDING ONE REVOLUTION
029640,001415: 06,3727 15716 HALFREV
029641,001416: 06,3730 02253 SETMGA STORE +MGA
029642,001417: 06,3731 43414 CLR RVQ # CLEAR MGLVFLAG TO INDICATE +MGA CALC
029643,001418: 06,3732 02675 MGLVFLAG # AND EXIT
029644,001419: 06,3733 53575 GET.LVC VLOAD UNIT # (PL 6D) R (+29) IN MPAC UNITIZE UR
029645,001420: 06,3734 02323 RINIT
029646,001421: 06,3735 77676 VCOMP # U(-R)
029647,001422: 06,3736 00023 STORE 18D # U(-R) TO 18D
029648,001423: 06,3737 53435 VXV UNIT # U(-R)*V EQ V*U(R), U(V*R)
029649,001424: 06,3740 02331 VINIT
029650,001425: 06,3741 00015 STORE 12D # U(V*R) TO 12D
029651,001426: 06,3742 53435 VXV UNIT # U(V*R)*U(-R), U((V*R)*(-R))
029652,001427: 06,3743 00023 18D
029653,001428: 06,3744 24007 STOVL 6D # TRANSFORMATION MATRIX IS IN 6D (+1)
029654,001429: 06,3745 00001 0D # DELTA V (+7) IN 0D
029655,001430: 06,3746 76521 MXV VSL1 # CONVERT FROM INER COOR TO LV COOR (+8)
029656,001431: 06,3747 00007 6D # AND SCALE +7 IN MPAC
029657,001432: 06,3750 03434 STORE DELVLVC # STORE IN DELVLVC (+7)
029658,001433: 06,3751 43414 SET RVQ # SET MGLVFLAG TO INDICATE LVC CALC
029659,001434: 06,3752 02475 MGLVFLAG # AND EXIT
029660,001435:
029661,001436: # ***** END OF MIDGIM ROUTINE *****
029662,001437:
![]() |
Page 693 |
029664,001439: 10,2000 BANK 10
029665,001440: 10,2000 SETLOC SLCTMU
029666,001441: 10,2000 BANK
029667,001442: 10,2000 COUNT* $$/MIDG
029668,001443:
029669,001444: 10,2000 77160 SELECTMU AXC,1 AXT,2
029670,001445: 10,2001 00002 2D
029671,001446: 10,2002 00000 0D
029672,001447: 10,2003 77614 BOFF
029673,001448: 10,2004 04343 CMOONFLG
029674,001449: 10,2005 20011 SETMUER
029675,001450: 10,2006 77160 AXC,1 AXT,2
029676,001451: 10,2007 00012 10D
029677,001452: 10,2010 00002 2D
029678,001453: 10,2011 66143 SETMUER DLOAD* SXA,1
029679,001454: 10,2012 10011 MUTABLE +4,1
029680,001455: 10,2013 02776 RTX1
029681,001456: 10,2014 22317 STODL* RTSR1/MU
029682,001457: 10,2015 10003 MUTABLE -2,1
029683,001458: 10,2016 54214 BOFF SR
029684,001459: 10,2017 04343 CMOONFLG
029685,001460: 10,2020 20022 RTRNMU
029686,001461: 10,2021 20607 6D
029687,001462: 10,2022 02321 RTRNMU STORE RTMU
029688,001463: 10,2023 43134 SXA,2 CLEAR
029689,001464: 10,2024 02777 RTX2
029690,001465: 10,2025 01271 FINALFLG
029691,001466: 10,2026 77650 GOTO
029692,001467: 10,2027 73606 VN1645
029693,001468:
![]() |
Page 694 |
029695,001470: # ***** PERIAPO *****
029696,001471:
029697,001472: # MOD NO -1 LOG SECTION -- P34-P35, P74-P75
029698,001473: # MOD BY WHITE, P. DATE 18 JAN 68
029699,001474:
029700,001475: # FUNCTIONAL DESCRIPTION
029701,001476:
029702,001477: # THIS SUBROUTINE COMPUTES THE TWO BODY APOCENTER AND PERICENTER
029703,001478: # ALTITUDES GIVEN THE POSITION AND VELOCITY VECTORS FOR A POINT ON
029704,001479: # TRAJECTORY AND THE PRIMARY BODY.
029705,001480:
029706,001481: # SETRAD IS CALLED TO DETERMINE THE RADIUS OF THE PRIMARY BODY.
029707,001482:
029708,001483: # APSIDES IS CALLED TO SOVE FOR THE TWO BODY RADII OF APOCENTER AND
029709,001484: # PERICENTER AND THE ECCENTRICITY OF THE TRAJECTORY.
029710,001485:
029711,001486: # CALLING SEQUENCE
029712,001487:
029713,001488: # L CALL
029714,001489: # L+1 PERIAPO
029715,001490: # L+2 (RETURN -- ALWAYS)
029716,001491:
029717,001492: # INPUT
029718,001493:
029719,001494: # (1) RVEC POSITION VECTOR IN METERS
029720,001495: # SCALE FACTOR -- EARTH +29, MOON +27
029721,001496: # (2) VVEC VELOCITY VECTOR IN METERS/CENTISECOND
029722,001497: # SCALE FACTOR -- EARTH +7, MOON +5
029723,001498: # (3) X1 PRIMARY BODY INDICATOR
029724,001499: # EARTH -1, MOON -10
029725,001500:
029726,001501: # OUTPUT
029727,001502:
029728,001503: # (1) 2D APOCENTER RADIUS IN METERS
029729,001504: # SCALE FACTOR -- EARTH +29, MOON +27
029730,001505: # (2) 4D APOCENTER ALTITUDE IN METERS
029731,001506: # SCALE FACTOR -- EARTH +29, MOON +27
029732,001507: # (3) 6D PERICENTER RADIUS IN METERS
029733,001508: # SCALE FACTOR -- EARTH +29, MOON +27
029734,001509: # (4) 8D PERICENTER ALTITUDE IN METERS
029735,001510: # SCALE FACTOR -- EARTH +29, MOON +27
029736,001511: # (5) ECC ECCENTRICITY OF CONIC TRAJECTORY
029737,001512: # SCALE FACTOR -- +3
029738,001513: # (6) XXXALT RADIUS OF THE PRIMARY BODY IN METERS
029739,001514: # SCALE FACTOR -- EARTH +29, MOON +27
029740,001515: # (7) PUSHLOC EQUALS 10D
029741,001516:
029742,001517: # SUBROUTINES USED
029743,001518:
029744,001519: # SETRAD
![]() |
Page 695 |
029746,001521: # APSIDES
029747,001522:
029748,001523: 23,2000 SETLOC APOPERI
029749,001524: 23,2000 BANK
029750,001525:
029751,001526: 23,2314 COUNT* $$/PERAP
029752,001527:
029753,001528: 23,2314 00302 17755 RPAD 2DEC 6373338 B-29 # STANDARD RADIUS OF PAD 37-B.
029754,001529: # = 20 909 901.57 FT
029755,001530:
029756,001531: 23,2316 53754 PERIAPO1 LXA,2 VSR*
029757,001532: 23,2317 02777 RTX2
029758,001533: 23,2320 57176 0,2
029759,001534: 23,2321 26744 STOVL VVEC
029760,001535: 23,2322 53750 LXA,1 VSR*
029761,001536: 23,2323 02776 RTX1
029762,001537: 23,2324 57176 0,2
029763,001538: 23,2325 02655 STORE RVEC
029764,001539: 23,2326 45020 PERIAPO STQ CALL
029765,001540: 23,2327 03463 NORMEX
029766,001541: 23,2330 46344 SETRAD
029767,001542: 23,2331 37671 STCALL XXXALT
029768,001543: 23,2332 25674 APSIDES
029769,001544: 23,2333 41401 SETPD PUSH # 2D = APOCENTER RADIUS B29 OR B27
029770,001545: 23,2334 00003 2D
029771,001546: 23,2335 65225 DSU PDDL # 4D = APOGEE ALTITUDE B29 OR B27
029772,001547: 23,2336 03671 XXXALT
029773,001548: 23,2337 00001 0D
029774,001549: 23,2340 45206 PUSH DSU # 6D = PERICENTER RADIUS B29 OR B27
029775,001550: 23,2341 03671 XXXALT
029776,001551: 23,2342 52006 PUSH GOTO # 8D = PERIGEE ALTITUDE B29 OR B27
029777,001552: 23,2343 03463 NORMEX
029778,001553:
![]() |
Page 696 |
029780,001555: 23,2344 41545 SETRAD DLOAD PUSH
029781,001556: 23,2345 06315 RPAD
029782,001557: 23,2346 63130 SXA,1 INCR,2
029783,001558: 23,2347 00047 X2
029784,001559: 23,2350 00002 2D
029785,001560: 23,2351 46135 SLOAD BHIZ
029786,001561: 23,2352 00050 X2
029787,001562: 23,2353 46357 SETRADX
029788,001563: 23,2354 51575 VLOAD ABVAL
029789,001564: 23,2355 02023 RLS
029790,001565: 23,2356 77725 PDDL
029791,001566: 23,2357 43545 SETRADX DLOAD RVQ
029792,001567:
![]() |
Page 697 |
029794,001569: 23,2360 77620 PRECSET STQ
029795,001570: 23,2361 03463 NORMEX
029796,001571: 23,2362 37574 STCALL TDEC2
029797,001572: 23,2363 27057 LEMPREC
029798,001573: 23,2364 77624 CALL
029799,001574: 23,2365 46376 LEMSTORE
029800,001575: 23,2366 77745 DLOAD
029801,001576: 23,2367 03574 TDEC2
029802,001577: 23,2370 34041 STCALL TDEC1
029803,001578: 23,2371 27043 CSMPREC
029804,001579: 23,2372 77624 CALL
029805,001580: 23,2373 46406 CSMSTORE
029806,001581: 23,2374 77650 GOTO
029807,001582: 23,2375 03463 NORMEX
029808,001583: 23,2376 43175 LEMSTORE VLOAD BOFF
029809,001584: 23,2377 00001 RATT
029810,001585: 23,2400 01352 AVFLAG
029811,001586: 23,2401 46412 PASSIVE
029812,001587: 23,2402 27536 ACTIVE STOVL RACT3
029813,001588: 23,2403 00007 VATT
029814,001589: 23,2404 03544 STORE VACT3
029815,001590: 23,2405 77616 RVQ
029816,001591: 23,2406 43175 CSMSTORE VLOAD BOFF
029817,001592: 23,2407 00001 RATT
029818,001593: 23,2410 01352 AVFLAG
029819,001594: 23,2411 46402 ACTIVE
029820,001595: 23,2412 27552 PASSIVE STOVL RPASS3
029821,001596: 23,2413 00007 VATT
029822,001597: 23,2414 03560 STORE VPASS3
029823,001598: 23,2415 77616 RVQ
029824,001599:
![]() |
Page 698 |
029826,001601: 23,2416 53754 VECSHIFT LXA,2 VSR*
029827,001602: 23,2417 02777 RTX2
029828,001603: 23,2420 57176 0,2
029829,001604: 23,2421 63350 LXA,1 PDVL
029830,001605: 23,2422 02776 RTX1
029831,001606: 23,2423 63257 VSR* PDVL
029832,001607: 23,2424 57176 0,2
029833,001608: 23,2425 77616 RVQ
029834,001609:
![]() |
Page 699 |
029836,001611: 23,2426 53754 SHIFTR1 LXA,2 SL*
029837,001612: 23,2427 02777 RTX2
029838,001613: 23,2430 57576 0,2
029839,001614: 23,2431 77616 RVQ
029840,001615:
![]() |
Page 700 |
029842,001617: # PROGRAM DESCRIPTION
029843,001618: # SUBROUTINE NAME R36 OUT-OF-PLANE RENDEZVOUS ROUTINE
029844,001619: # MOD NO. 0 DATE 22 DECEMBER 67
029845,001620: # MOD BY N.M.NEVILLE LOG SECTION EXTENDED VERBS
029846,001621: # FUNCTIONAL DESCRIPTION
029847,001622:
029848,001623: # TO DISPLAY AT ASTRONAUT REQUEST LGC CALCULATED RENDEZVOUS
029849,001624: # OUT-OF-PLANE PARAMETERS (Y, YDOT, PSI). (REQUESTED BY DSKY).
029850,001625:
029851,001626: # CALLING SEQUENCE
029852,001627:
029853,001628: # ASTRONAUT REQUEST THROUGH DSKY V 90 E
029854,001629:
029855,001630: # SUBROUTINES CALLED
029856,001631:
029857,001632: # EXDSPRET
029858,001633: # GOMARKF
029859,001634: # CSMPREC
029860,001635: # LEMPREC
029861,001636: # SGNAGREE
029862,001637: # LOADTIME
029863,001638:
029864,001639: # NORMAL EXIT MODES
029865,001640:
029866,001641: # ASTRONAUT REQUEST THROUGH DSKY TO TERMINATE PROGRAM V 34 E
029867,001642:
029868,001643: # ALARM OR ABORT EXIT MODES
029869,001644:
029870,001645: # NONE
029871,001646:
029872,001647: # OUTPUT
029873,001648:
029874,001649: # DECIMAL DISPLAY OF TIME, Y, YDOT AND PSI
029875,001650:
029876,001651: # DISPLAYED VALUES Y, YDOT, AND PSI, ARE STORED IN ERASABLE
029877,001652: # REGISTERS RANGE, RRATE, AND RTHETA RESPECTIVELY.
029878,001653:
029879,001654: # ERASABLE INITIALIZATION REQUIRED
029880,001655:
029881,001656: # CSM AND LEM STATE VECTORS
029882,001657:
029883,001658: # DEBRIS
029884,001659:
029885,001660: # CENTRALS A,Q,L
029886,001661: # OTHER: THOSE USED BY THE ABOVE LISTED SUBROUTINES
029887,001662:
029888,001663: 20,2115 BANK 20
029889,001664: 04,2000 SETLOC R36LM
029890,001665: 04,2000 BANK
![]() |
Page 701 |
029892,001667: 04,2656 E4,1606 EBANK= RPASS36
029893,001668:
029894,001669: 04,2656 COUNT* $$/R36
029895,001670:
029896,001671: 04,2656 22007 R36 ZL
029897,001672: 04,2657 34755 CAF ZERO # SET TIME OF EVENT TO ZERO FOR FIRST
029898,001673: 04,2660 53052 DXCH DSPTEMX # DISPLAY
029899,001674: 04,2661 33011 CAF V06N16N
029900,001675: 04,2662 04616 TC BANKCALL
029901,001676: 04,2663 20334 CADR GOMARKF
029902,001677: 04,2664 15472 TCF ENDEXT # TERMINATE
029903,001678: 04,2665 12667 TCF +2 # PROCEED
029904,001679: 04,2666 12661 TCF -5 # RECYCLE FOR ASTRONAUT INPUT TIME
029905,001680: 04,2667 53052 DXCH DSPTEMX
029906,001681: 04,2670 00006 EXTEND
029907,001682: 04,2671 13000 BZF LREGCHK # A-REG ZERO GOTO CHECK L-REG FOR ZERO
029908,001683: 04,2672 52155 ASTROTIM DXCH MPAC # A-REG NON-ZERO, TIME = ASTRO INPUT TIME
029909,001684: 04,2673 06037 TC INTPRET
029910,001685: 04,2674 77634 RTB
029911,001686: 04,2675 21716 DPMODE
029912,001687: 04,2676 34041 R36INT STCALL TDEC1
029913,001688: 04,2677 27043 OTHPREC
029914,001689: 04,2700 63375 VLOAD PDVL
029915,001690: 04,2701 00007 VATT
029916,001691: 04,2702 00001 RATT # _
029917,001692: 04,2703 02207 STORE RPASS36 # R
029918,001693: 04,2704 63256 UNIT PDVL # P
029919,001694: 04,2705 53435 VXV UNIT
029920,001695: 04,2706 77626 STADR # _
029921,001696: 04,2707 61562 STODL UNP36 # U
029922,001697: 04,2710 00015 TAT
029923,001698: 04,2711 34041 STCALL TDEC1
029924,001699: 04,2712 27057 THISPREC
029925,001700: 04,2713 63375 VLOAD PDVL # -
029926,001701: 04,2714 00007 VATT # VELOCITY VECTOR V 00D
029927,001702: 04,2715 00001 RATT # A
029928,001703: 04,2716 77725 PDDL
029929,001704: 04,2717 00015 TAT # SAVE TIME IN LOCATION 30D FOR REDISPLAY
029930,001705: 04,2720 24037 STOVL 30D # _
029931,001706: 04,2721 41406 PUSH PUSH # POSITION VECTOR R IN 06D AND 12D
029932,001707: 04,2722 63245 BVSU PDVL # A _ _
029933,001708: 04,2723 02207 RPASS36 # LINE OF SIGHT VECTOR R - R 12D
029934,001709: 04,2724 72441 DOT SL1 # P A
029935,001710: 04,2725 02215 UNP36 # _ _
029936,001711: 04,2726 26201 STOVL RANGE # Y = U . R
029937,001712: 04,2727 00001 00D # A
029938,001713: 04,2730 72441 DOT SL1
029939,001714: 04,2731 02215 UNP36 # . _ _
029940,001715: 04,2732 26203 STOVL RRATE # Y = U . V
029941,001716: 04,2733 00007 06D # A
![]() |
Page 702 |
029943,001718: # _ _
029944,001719: 04,2734 41456 UNIT PUSH # U = UNIT ( R ) 18D
029945,001720: 04,2735 47235 VXV VXV # RA A
029946,001721: 04,2736 00001 00D # _ _ _ _
029947,001722: 04,2737 00023 18D # (U X V ) X U = U
029948,001723: 04,2740 53552 VSL2 UNIT # RA A RA A
029949,001724: 04,2741 77656 UNIT
029950,001725: 04,2742 24001 STOVL 00D # UNIT HORIZONTAL IN FORWARD DIR. 00D
029951,001726: 04,2743 00023 18D
029952,001727: 04,2744 74241 DOT VXSC # _
029953,001728: 04,2745 00015 12D # U
029954,001729: 04,2746 77752 VSL2 # L
029955,001730: 04,2747 53445 BVSU UNIT
029956,001731: 04,2750 77656 UNIT
029957,001732: 04,2751 50206 PUSH DOT # LOS PROJECTED INTO HORIZONTAL 12D
029958,001733: 04,2752 00001 00D # PLANE
029959,001734: 04,2753 65552 SL1 ARCCOS # _ _
029960,001735: 04,2754 26205 STOVL RTHETA # PSI = ARCCOS(U . U )
029961,001736: 04,2755 50235 VXV DOT # A L
029962,001737: 04,2756 00001 00D
029963,001738: 04,2757 71244 BPL DLOAD
029964,001739: 04,2760 10765 R36TAG2
029965,001740: 04,2761 24020 LODPMAX
029966,001741: 04,2762 77625 DSU
029967,001742: 04,2763 02205 RTHETA
029968,001743: 04,2764 02205 STORE RTHETA
029969,001744: 04,2765 47145 R36TAG2 DLOAD RTB
029970,001745: 04,2766 00037 30D
029971,001746: 04,2767 21612 SGNAGREE
029972,001747: 04,2770 01052 STORE DSPTEMX
029973,001748: 04,2771 77776 EXIT
029974,001749: 04,2772 33012 CAF V06N90N # DISPLAY Y, YDOT, AND PSI.
029975,001750: 04,2773 04616 TC BANKCALL
029976,001751: 04,2774 20334 CADR GOMARKF
029977,001752: 04,2775 15472 TCF ENDEXT # TERMINATE
029978,001753: 04,2776 15472 TCF ENDEXT # PROCEED, END OF PROGRAM
029979,001754: 04,2777 12661 TCF R36 +3 # REDISPLAY OUTPUT
029980,001755: 04,3000 56001 LREGCHK XCH L
029981,001756: 04,3001 00006 EXTEND
029982,001757: 04,3002 13005 BZF ENTTIM2 # L-REG ZERO, SET TIME = PRESENT TIME
029983,001758: 04,3003 56001 XCH L # L-REG NON ZERO, TIME = ASTRO INPUT TIME
029984,001759: 04,3004 12672 TCF ASTROTIM
029985,001760: 04,3005 06037 ENTTIM2 TC INTPRET
029986,001761: 04,3006 52034 RTB GOTO
029987,001762: 04,3007 21573 LOADTIME
029988,001763: 04,3010 10676 R36INT
029989,001764: 04,3011 01420 V06N16N VN 00616
029990,001765: 04,3012 01532 V06N90N VN 00690
End of include-file P34-35_P74-75.agc. Parent file is MAIN.agc