Source Code
These source-code files were derived originally from the scan from MIT's Dibner Institute's
now-discontinued website titled "History of Recent Science and Technology", which
in turn was originally created by Gary Neff, though his high-quality scans were
unfortunately reduced in legibility when presented online.
The markings on the front of the
printout imply that it was the original AGC developer Norm Brodeur's copy.
A scan by Ron Burkey has superceded it, made from a more-legible copy from the collection of original
AGC developer Fred Martin. The source code was transcribed from
those images by Ron Burkey. 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:ASSEMBLE REVISION 249 OF AGC PROGRAM COLOSSUS BY NASA 2021111-041 20'35 OCT. 28,1968Note that the date is the date of the printout, not the date of the program revision. |
019701,000002: ## Copyright: Public domain.
019702,000003: ## Filename: P34-35_P74-75.agc
019703,000004: ## Purpose: Part of the source code for Colossus, build 249.
019704,000005: ## It is part of the source code for the Command Module's (CM)
019705,000006: ## Apollo Guidance Computer (AGC), possibly for Apollo 8 and 9.
019706,000007: ## Assembler: yaYUL
019707,000008: ## Reference: pp. 454-497 of 1701.pdf.
019708,000009: ## Contact: Ron Burkey <info@sandroid.org>.
019709,000010: ## Website: www.ibiblio.org/apollo.
019710,000011: ## Mod history: 08/11/04 RSB. Began adapting from corresponding Luminary131
019711,000012: ## source file.
019712,000013: ## 2010-08-29 JL Added missing comment characters.
019713,000014: ## 2011-05-07 JL Removed workaround.
019714,000015:
019715,000016: ## The contents of the "Colossus249" files, in general, are transcribed
019716,000017: ## from a scanned document obtained from MIT's website,
019717,000018: ## http://hrst.mit.edu/hrs/apollo/public/archive/1701.pdf. Notations on this
019718,000019: ## document read, in part:
019719,000020: ##
019720,000021: ## Assemble revision 249 of AGC program Colossus by NASA
019721,000022: ## 2021111-041. October 28, 1968.
019722,000023: ##
019723,000024: ## This AGC program shall also be referred to as
019724,000025: ## Colossus 1A
019725,000026: ##
019726,000027: ## Prepared by
019727,000028: ## Massachusetts Institute of Technology
019728,000029: ## 75 Cambridge Parkway
019729,000030: ## Cambridge, Massachusetts
019730,000031: ## under NASA contract NAS 9-4065.
019731,000032: ##
019732,000033: ## Refer directly to the online document mentioned above for further information.
019733,000034: ## Please report any errors (relative to 1701.pdf) to info@sandroid.org.
019734,000035: ##
019735,000036: ## In some cases, where the source code for Luminary 131 overlaps that of
019736,000037: ## Colossus 249, this code is instead copied from the corresponding Luminary 131
019737,000038: ## source file, and then is proofed to incorporate any changes.
019738,000039:
Page 454 |
019740,000041: # TRANSFER PHASE INITITIATION (TPI) PROGRAMS (P34 AND P74)
019741,000042: # MOD NO -1 LOG SECTION -- P32-P35, P72-P75
019742,000043: # MOD BY WHITE, P. DATE: 1 JUNE 67
019743,000044:
019744,000045: # PURPOSE
019745,000046: # (1) TO CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL CONDITIONS
019746,000047: # REQUIRED BY THE ACTIVE VEHICLE FOR EXECUTION OF THE TRANSFER
019747,000048: # PHASE INITITATION (TPI) MANEUVER, GIVEN --
019748,000049: # (A) TIME OF IGNITION TIG (TPI) OR THE ELEVATION ANGLE (E) OF
019749,000050: # THE ACTIVE/PASSIVE VEHICLE LOS AT TIG (TPI).
019750,000051: # (B) CENTRAL ANGLE OF TRANSFER (CENTANG) FROM TIG (TPI) TO
019751,000052: # INTERCEPT TIME (TIG (TPF)).
019752,000053: # (2) TO CALCULATE TIG (TPI) GIVEN E OR E GIVEN TIG (TPI).
019753,000054: # (3) TO CALCULATE THESE PARAMETERS BASED UPON MANEUVER DATA
019754,000055: # APPROVED AND KEYED INTO THE DSKY BY THE ASTRONAUT.
019755,000056: # (4) TO DISPLAY TO THE ASTRONAUT AND THE GROUND CERTAIN DEPENDENT
019756,000057: # VARIABLES ASSOCIATED WITH THE MANEUVER FOR APPROVAL BY THE
019757,000058: # ASTRONAUT/GROUND.
019758,000059: # (5) TO STORE THE TPI TARGET PARAMETERS FOR USE BY THE DESIRED
019759,000060: # THRUSTING PROGRAM.
019760,000061:
019761,000062: # ASSUMPTIONS
019762,000063: # (1) LM ONLY -- THIS PROGRAM IS BASED UPON PREVIOUS COMPLETION OF
019763,000064: # THE CONSTANT DELTA ALTITUDE (CDH) PROGRAM (P33/P73).
019764,000065: # THEREFORE --
019765,000066: # (A) AT A SELECTED TPI TIME (NOW IN STORAGE) THE LINE OF SIGHT
019766,000067: # BETWEEN THE ACTIVE AND PASSIVE VEHICLES WAS SELECTED TO BE
019767,000068: # A PRESCRIBED ANGLE (E) (NOW IN STORAGE) FROM THE
019768,000069: # HORIZONTAL PLANE DEFINED BY THE ACTIVE VEHICLE POSITION.
019769,000070: # (B) THE TIME BETWEEN CDH IGNITION AND TPI IGNITION WAS
019770,000071: # COMPUTED TO BE GREATER THAN 10 MINUTES.
019771,000072: # (C) THE VARIATION OF TEH ALTITUDE DIFFERENCE BETWEEN THE
019772,000073: # ORBITS WAS MINIMIZED.
019773,000074: # (D) THE PERICENTER ALTITUDES OF ORBITS FOLLOWING CSI AND
019774,000075: # CDH WERE COMPUTED TO BE GREATER THAN 35,000 FT FOR LUNAR
Page 455 |
019776,000077: # ORBIT OR 85 NM FOR EARTH ORBIT.
019777,000078: # (E) THE CSI AND CDH MANEUVERS WERE ASSUMED TO BE PARALLEL TO
019778,000079: # THE PLANE OF THE PASSIVE VEHICLE ORBIT. HOWEVER, CREW
019779,000080: # MODIFICATION OF DELTA V (LV) COMPONENTS MAY HAVE RESULTED
019780,000081: # IN AN OUT-OF-PLANE MANEUVER.
019781,000082: # (2) STATE VECTOR UPDATED BY P27 ARE DISALLOWED DURING AUTOMATIC
019782,000083: # STATE VECTOR UPDATING INITIATED BY P20 (SEE ASSUMPTION (4)).
019783,000084: # (3) THIS PROGRAM MUST BE DONE OVER A TRACKING STATION FOR REAL
019784,000085: # TIME GROUND PARTICIPATION IN DATA INPUT AND OUTPUT. COMPUTED
019785,000086: # VARIABLES MAY BE STORED FOR LATER VERIFICATION BY THE GROUND.
019786,000087: # THESE STORAGE CAPABILITIES ARE LIMITED ONLY TO THE PARAMETERS
019787,000088: # FOR ONE THRUSTING MANEUVER AT A TIME EXCEPT FOR CONCENTRIC
019788,000089: # FLIGHT PLAN MANEUVER SEQUENCES.
019789,000090: # (4) THE RENDEZVOUS RADAR MAY OR MAY NOT BE USED TO UPDATE THE LM
019790,000091: # OR CSM STATE VECTORS FOR THIS PROGRAM. IF RADAR USE IS
019791,000092: # DESIRED THE RADAR WAS TURNED ON AND LOCKED ON THE CSM BY
019792,000093: # PREVIOUS SELECTION OF P20. RADAR SIGHTING MARKS WILL BE MADE
019793,000094: # AUTOMATICALLY APPROXIMATELY ONCE A MINUTE WHEN ENABLED BY THE
019794,000095: # TRACK AND UPDATE FLAGS (SEE P20). THE RENDEZVOUS TRACKING
019795,000096: # MARK COUNTER IS ZEROED BY TEH SELECTION OF P20 AND AFTER EACH
019796,000097: # THRUSTING MANEUVER.
019797,000098: # (5) THE ISS NEED NOT BE ON TO COMPLETE THIS PROGRAM.
019798,000099: # (6) THE OPERATION OF THE PROGRAM UTILIZES THE FOLLOWING FLAGS --
019799,000100:
019800,000101: # ACTIVE VEHICLE FLAG -- DESIGNATES THE VEHICLE WHICH IS
019801,000102: # DOING RENDEZVOUS THRUSTING MANEUVERS TO THE PROGRAM WHICH
019802,000103: # CALCULATES THE MANEUVER PARAMETERS. SET AT THE START OF
019803,000104: # EACH RENDEZVOUS PRE-THRUSTING PROGRAM.
019804,000105:
019805,000106: # FINAL FLAG -- SELECTS FINAL PROGRAM DISPLAYS AFTER CREW HAS
019806,000107: # SELECTED THE FINAL MANEUVER COMPUTATION CYCLE.
019807,000108:
019808,000109: # EXTERNAL DELTA V FLAG -- DESIGNATES THE TYPE OF STEERING
019809,000110: # REQUIRED FOR EXECUTION OF THIS MANEUVER BY THE THRUSTING
019810,000111: # PROGRAM SELECTED AFTER COMPLETION OF THIS PROGRAM.
019811,000112:
019812,000113: # (7) ONCE THE PARAMETERS REQUIRED FOR COMPUTATION OF THE MANEUVER
019813,000114: # HAVE BEEN COMPLETELY SPECIFIED, TEH VALUE OF THE ACTIVE
019814,000115: # VEHICLE CENTRAL ANGLE OF TRANSFER IS COMPUTED AND STURED.
019815,000116: # THIS NUMBER WILL BE AVAILABLE FOR DISPLAY TO THE ASTRONAUT
019816,000117: # THROUGH THE USE OF V06N52.
019817,000118:
019818,000119: # THE ASTRONAUT WILL CALL THIS DISPLAY TO VERIFY THAT THE
019819,000120: # CENTRAL ANGLE OF TRANSFER OF THE ACTIVE VEHICLE IS NOT WITHIN
Page 456 |
019821,000122: # 170 TO 190 DEGREES. IF THE ANGLE IS WITHIN THIS ZONE THE
019822,000123: # ASTRONAUT SHOULD REASSES THE INPUT TARGETING PARAMETERS BASED
019823,000124: # UPON DELTA V AND EXPECTED MANEUVER TIME.
019824,000125: # (8) THIS PROGRAM IS SELECTED BY TEH ASTRONAUT BY DSKY ENTRY --
019825,000126:
019826,000127: # P34 IF THIS VEHICLE IS ACTIVE VEHICLE.
019827,000128:
019828,000129: # P74 IF THIS VEHICLE IS PASSIVE VEHICLE.
019829,000130:
019830,000131: # INPUT
019831,000132: # (1) TTPI TIME OF THE TPI MANEUVER.
019832,000133: # (2) ELEV DESIRED LOS ANGLE AT TPI
019833,000134: # (3) CENTANG ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE DURING
019834,000135: # TRANSFER FROM TPI TO TIME OF INTERCEPT
019835,000136:
019836,000137: # OUTPUT
019837,000138: # (1) TRKMKCNT NUMBER OF MARKS
019838,000139: # (2) TTOGO TIME TO GO
019839,000140: # (3) +MGA MIDDLE GIMBAL ANGLE
019840,000141: # (4) TTPI COMPUTED TIME OF TPI MANEUVER
019841,000142: # OR
019842,000143: # ELEV COMPUTED LOS ANGLE AT TPI
019843,000144: # (5) POSTTPI PERIGEE ALTITUDE AFTER THE TPI MANEUVER
019844,000145: # (6) DELVTPI MAGNITUDE OF DELTA V AT TPI
019845,000146: # (7) DELVTPF MAGNITUDE OF DELTA V AT INTERCEPT
019846,000147: # (8) DVLOS DELTA VELOCITY AT TPI -- LINE OF SIGHT
019847,000148: # (9) DELVLVC DELTA VELOCITY AT TPI -- LOCAL VERTICAL COORDINATES
019848,000149:
019849,000150: # DOWNLINK
019850,000151: # (1) TTPI TIME OF TPI MANEUVER
019851,000152: # (2) TIG TIME OF TPI MANEUVER
019852,000153: # (3) ELEV DESIRED LOS ANGLE AT TPI
019853,000154: # (4) CENTANG ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE DURING
019854,000155: # TRANSFER FROM TPI TO TIME OF INTERCEPT
019855,000156: # (5) DELVEET3 DELTA VELOCITY AT TPI -- REFERENCE COORDINATES
019856,000157: # (6) TPASS4 TIME OF INTERCEPT
019857,000158:
019858,000159: # COMMUNICATION TO THRUSTING PROGRAMS
019859,000160: # (1) TIG TIME OF THE TPI MANEUVER
019860,000161: # (2) RTARG OFFSET TARGET POSITION
019861,000162: # (3) TPASS4 TIME OF INTERCEPT
019862,000163: # (4) XDELVFLG RESET TO INDICATE LAMBERT (AIMPOINT) VG COMPUTATION
019863,000164:
019864,000165: # SUBROUTINES USED
019865,000166: # AVFLAGA
Page 457 |
019867,000168: # AVFLAGP
019868,000169: # VNP00H
019869,000170: # DISPLAYE
019870,000171: # SELECTMU
019871,000172: # PRECSET
019872,000173: # S33/34.1
019873,000174: # ALARM
019874,000175: # BANKCALL
019875,000176: # GOFLASH
019876,000177: # GOTOP00H
019877,000178: # TIMETHET
019878,000179: # S34/35.2
019879,000180: # PERIAPO1
019880,000181: # SHIFTR1
019881,000182: # S34/35.5
019882,000183: # VN1645
019883,000184:
019884,000185: 35,2000 SETLOC CSI/CDH
019885,000186: 35,2000 BANK
019886,000187: 35,2000 E4,1770 EBANK= SUBEXIT
019887,000188: 35,2000 COUNT 35/P3474
019888,000189: 35,2000 03726 P34 TC AVFLAGA
019889,000190: 35,2001 02003 TC P34/P74A
019890,000191: 35,2002 03741 P74 TC AVFLAGP
019891,000192: 35,2003 03746 P34/P74A TC P20FLGON # SET UPDATFLG, TRACKFLG
019892,000193: 35,2004 33125 CAF V06N37 # TTPI
019893,000194: 35,2005 03114 TC VNP00H
019894,000195: 35,2006 03073 TC DISPLAYE # ELEV AND CENTANG
019895,000196: 35,2007 06006 TC INTPRET
019896,000197: 35,2010 71214 CLEAR DLOAD
019897,000198: 35,2011 01270 ETPIFLAG
019898,000199: 35,2012 03663 TTPI
019899,000200: 35,2013 17413 STODL TIG
019900,000201: 35,2014 03744 ELEV
019901,000202: 35,2015 43054 BZE SET
019902,000203: 35,2016 72020 P34/P74B
019903,000204: 35,2017 01070 ETPIFLAG
019904,000205: 35,2020 77624 P34/P74B CALL
019905,000206: 35,2021 10716 SELECTMU
019906,000207: 35,2022 DELELO EQUALS 26D
019907,000208: 35,2022 43145 P34/P74C DLOAD SET
019908,000209: 35,2023 15332 ZEROVECS
019909,000210: 35,2024 03461 ITSWICH
019910,000211: 35,2025 43014 BON CLEAR
019911,000212: 35,2026 01310 ETPIFLAG
019912,000213: 35,2027 72031 SWCHSET
019913,000214: 35,2030 03661 ITSWICH
019914,000215: 35,2031 02364 SWCHSET STORE NOMTPI
019915,000216: 35,2032 43345 INTLOOP DLOAD DAD
Page 458 |
019917,000218: 35,2033 03663 TTPI
019918,000219: 35,2034 02364 NOMTPI
019919,000220: 35,2035 34041 STCALL TDEC1
019920,000221: 35,2036 45354 PRECSET
019921,000222: 35,2037 77624 CALL
019922,000223: 35,2040 72212 S33/34.1
019923,000224: 35,2041 77454 BZE EXIT
019924,000225: 35,2042 72053 SWCHCLR
019925,000226: 35,2043 05537 TC ALARM
019926,000227: 35,2044 00611 OCT 611
019927,000228: 35,2045 34743 CAF V05N09
019928,000229: 35,2046 04555 TC BANKCALL
019929,000230: 35,2047 20624 CADR GOFLASH
019930,000231: 35,2050 04106 TC GOTOP00H
019931,000232: 35,2051 02003 TC P34/P74A # PROCEED
019932,000233: 35,2052 02043 TC -7 # V32
019933,000234:
019934,000235: 35,2053 43014 SWCHCLR BONCLR BON
019935,000236: 35,2054 03601 ITSWICH
019936,000237: 35,2055 72032 INTLOOP
019937,000238: 35,2056 01310 ETPIFLAG
019938,000239: 35,2057 72063 P34/P74D # DISPLAY TTPI
019939,000240: 35,2060 77776 EXIT
019940,000241: 35,2061 03073 TC DISPLAYE # DISPLAY ELEV AND CENTANG
019941,000242: 35,2062 02066 TC P34/P74E
019942,000243: 35,2063 77776 P34/P74D EXIT
019943,000244: 35,2064 33125 CAF V06N37 # TTPI
019944,000245: 35,2065 03114 TC VNP00H
019945,000246: 35,2066 06006 P34/P74E TC INTPRET
019946,000247: 35,2067 71201 SETPD DLOAD
019947,000248: 35,2070 00001 0D
019948,000249: 35,2071 03746 RTX1
019949,000250: 35,2072 14047 STODL X1
019950,000251: 35,2073 03754 CENTANG
019951,000252: 35,2074 71406 PUSH COS
019952,000253: 35,2075 16734 STODL CSTH
019953,000254: 35,2076 77756 SIN
019954,000255: 35,2077 26732 STOVL SNTH
019955,000256: 35,2100 03554 RPASS3
019956,000257: 35,2101 77657 VSR*
019957,000258: 35,2102 57176 0,2
019958,000259: 35,2103 26657 STOVL RVEC
019959,000260: 35,2104 03562 VPASS3
019960,000261: 35,2105 43057 VSR* SET
019961,000262: 35,2106 57176 0,2
019962,000263: 35,2107 03466 RVSW
019963,000264: 35,2110 36746 STCALL VVEC
019964,000265: 35,2111 24737 TIMETHET
019965,000266: 35,2112 77745 DLOAD
019966,000267: 35,2113 03663 TTPI
Page 459 |
019968,000269: 35,2114 03503 STORE INTIME # FOR INITVEL
019969,000270: 35,2115 77615 DAD
019970,000271: 35,2116 00037 T # RENDEZVOUS TIME
019971,000272: 35,2117 37656 STCALL TPASS4 # FOR INITVEL
019972,000273: 35,2120 72534 S34/35.2
019973,000274: 35,2121 51575 VLOAD ABVAL
019974,000275: 35,2122 03646 DELVEET3
019975,000276: 35,2123 26635 STOVL DELVTPI
019976,000277: 35,2124 03640 VPASS4
019977,000278: 35,2125 51451 VSU ABVAL
019978,000279: 35,2126 03620 VTPRIME
019979,000280: 35,2127 26637 STOVL DELVTPF
019980,000281: 35,2130 03540 RACT3
019981,000282: 35,2131 45115 PDVL CALL
019982,000283: 35,2132 03612 VIPRIME
019983,000284: 35,2133 45312 PERIAPO1
019984,000285: 35,2134 77624 CALL
019985,000286: 35,2135 45422 SHIFTR1
019986,000287: 35,2136 16641 STODL POSTTPI
019987,000288: 35,2137 03663 TTPI
019988,000289: 35,2140 03413 STORE TIG
019989,000290: 35,2141 77776 EXIT
019990,000291: 35,2142 33127 CAF V06N58
019991,000292: 35,2143 03114 TC VNP00H
019992,000293: 35,2144 06006 TC INTPRET
019993,000294: 35,2145 77624 CALL
019994,000295: 35,2146 72742 S34/35.5
019995,000296: 35,2147 77624 CALL
019996,000297: 35,2150 73005 VN1645
019997,000298: 35,2151 77650 GOTO
019998,000299: 35,2152 72022 P34/P74C
019999,000300:
Page 460 |
020001,000302: # RENDEZVOUS MID-COURSE MANEUVER PROGRAMS (P35 AND P75)
020002,000303: # MOD NO -1 LOG SECTION -- P32-P35, P72-P75
020003,000304: # MOD BY WHITE, P. DATE: 1 JUNE 67
020004,000305:
020005,000306: # PURPOSE
020006,000307: # (1) TO CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL CONDITIONS
020007,000308: # REQUIRED BY THE ACTIVE VEHICLE FOR EXECUTION OF THE NEXT
020008,000309: # MID-COURSE CORRECTION OF THE TRANSFER PHASE OF AN ACTIVE
020009,000310: # VEHICLE RENDEZVOUS.
020010,000311: # (2) TO DISPLAY TO THE ASTRONAUT AND THE GROUND CERTAIN DEPENDENT
020011,000312: # VARIABLES ASSOCIATED WITH THE MANEUVER FOR APPROVAL BY THE
020012,000313: # ASTRONAUT/GROUND.
020013,000314: # (3) TO STORE THE TPM TARGET PARAMETERS FOR USE BY THE DESIRED
020014,000315: # THRUSTING PROGRAM.
020015,000316:
020016,000317: # ASSUMPTIONS
020017,000318: # (1) THE ISS NEED NOT BE ON TO COMPLETE THIS PROGRAM.
020018,000319: # (2) STATE VECTOR UPDATES BY P27 ARE DISALLOWED DURING AUTOMATIC
020019,000320: # STATE VECTOR UPDATING INITIATED BY P20 (SEE ASSUMPTION (3)).
020020,000321: # (3) THE RENDEZVOUS RADAR IS ON AND IS LOCKED ON THE CSM. THIS WAS
020021,000322: # DONE DURING PREVIOUS SELECTION OF P20. RADAR SIGHTING MARKS
020022,000323: # WILL BE MADE AUTOMATICALLY APPROXIMATELY ONCE A MINUTE WHEN
020023,000324: # ENABLED BY THE TRACK AND UPDATE FLAGS (SEE P20). THE
020024,000325: # RENDEZVOUS TRACKING MARK COUNTER IS ZEROED BY THE SELECTION OF
020025,000326: # P20 AND AFTER EACH THRUSTING MANEUVER.
020026,000327: # (4) THE OPERATION OF THE PROGRAM UTILIZES THE FOLLOWING FLAGS --
020027,000328:
020028,000329: # THE ACTIVE VEHICLE FLAG -- DESIGNATES THE VEHICLE WHICH IS
020029,000330: # DOING RENDEZVOUS THRUSTING MANEUVERS TO THE PROGRAM WHICH
020030,000331: # CALCULATES THE MANEUVER PARAMETERS. SET AT THE START OF
020031,000332: # EACH RENDEZVOUS PRE-THRUSTING PROGRAM.
020032,000333:
020033,000334: # FINAL FLAG -- SELECTS FINAL PROGRAM DISPLAYS AFTER CREW HAS
020034,000335: # SELECTED THE FINAL MANEUVER COMPUTATION CYCLE.
020035,000336:
020036,000337: # EXTERNAL DELTA V FLAG -- DESIGNATES THE TYPE OF STEERING
020037,000338: # REQUIRED FOR EXECUTION OF THIS MANEUVER BY TEH THRUSTING
020038,000339: # PROGRAM SELECTED AFTER COMPLETION OF THIS PROGRAM.
020039,000340:
020040,000341: # (5) THE TIME OF INTERCEPT (T(INT)) WAS DEFINED BY PREVIOUS
020041,000342: # COMPLETION OF THE TRANSFER PHASE INITIATION (TPI) PROGRAM
020042,000343: # (P34/P74) AND IS PRESENTLY AVAILABLE IN STORAGE.
Page 461 |
020044,000345: # (6) ONCE THE PARAMETERS REQUIRED FOR COMPUTATION OF THE MANEUVER
020045,000346: # HAVE BEEN COMPLETELY SPECIFIED, THE VALUE OF THE ACTIVE
020046,000347: # VEHICLE CENTRAL ANGLE OF TRANSFER IS COMPUTED AND STORED.
020047,000348: # THIS NUMBER WILL BE AVAILABLE FOR DISPLAY TO THE ASTRONAUT
020048,000349: # THROUGH THE USE OF V06N52
020049,000350:
020050,000351: # THE ASTRONAUT WILL CALL THIS DISPLAY TO VERIFY THAT THE
020051,000352: # CENTRAL ANGLE OF TRANSFER OF THE ACTIVE VEHICLE IS NOT WITHIN
020052,000353: # 170 TO 190 DEGREES. IF THE ANGLE IS WITHIN THIS ZONE THE
020053,000354: # ASTRONAUT SHOULD REASSESS THE INPUT TARGETING PARAMETERS BASED
020054,000355: # UPON DELTA V AND EXPECTED MANEUVER TIME.
020055,000356: # (7) THIS PROGRAM IS SELECTED BY THE ASTRONAUT BY DSKY ENTRY --
020056,000357:
020057,000358: # P35 IF THIS VEHICLE IS ACTIVE VEHICLE.
020058,000359:
020059,000360: # P75 IF THIS VEHICLE IS PASSIVE VEHICLE.
020060,000361:
020061,000362: # INPUT
020062,000363: # (1) TPASS4 TIME OF INTERCEPT -- SAVED FROM P34/P74
020063,000364:
020064,000365: # OUTPUT
020065,000366: # (1) TRKMKCNT NUMBER OF MARKS
020066,000367: # (2) TTOGO TIME TO GO
020067,000368: # (3) +MGA MIDOLF GIMBAL ANGLE
020068,000369: # (4) DVLOS DELTA VELOCITY AT MID -- LINE OF SIGHT
020069,000370: # (5) DELVLVC DELTA VELOCITY AT MID -- LOCAL VERTICAL COORDINATES
020070,000371:
020071,000372: # DOWNLINK
020072,000373: # (1) TIG TIME OF THE TPM MANEUVER
020073,000374: # (2) DELVEET3 DELTA VELOCITY AT TPM -- REFERENCE COORDINATES
020074,000375: # (3) TPASS4 TIME OF INTERCEPT
020075,000376:
020076,000377: # COMMUNICATION TO THRUSTING PROGRAMS
020077,000378: # (1) TIG TIME OF THE TPM MANEUVER
020078,000379: # (2) RTARG OFFSET TARGET POSITION
020079,000380: # (3) TPASS4 TIME OF INTERCEPT
020080,000381: # (4) XDELVFLG RESET TO INDICATE LAMBERT (AIMPOINT) VG COMPUTATION.
020081,000382:
020082,000383: # SUBROUTINES USED
020083,000384: # AVFLAGA
020084,000385: # AVFLAGP
020085,000386: # LOADTIME
020086,000387: # SELECTMU
020087,000388: # PRECSET
020088,000389: # S34/35.1
020089,000390: # S34/35.2
Page 462 |
020091,000392: # S34/35.5
020092,000393: # VN1645
020093,000394:
020094,000395: 35,2153 COUNT 35/P3575
020095,000396: 35,2153 E4,1763 EBANK= KT
020096,000397:
020097,000398: 35,2153 03726 P35 TC AVFLAGA
020098,000399: 35,2154 00006 EXTEND
020099,000400: 35,2155 31422 DCA ATIGINC
020100,000401: 35,2156 02162 TC P35/P75A
020101,000402: 35,2157 03741 P75 TC AVFLAGP
020102,000403: 35,2160 00006 EXTEND
020103,000404: 35,2161 31424 DCA PTIGINC
020104,000405: 35,2162 53764 P35/P75A DXCH KT
020105,000406: 35,2163 03746 TC P20FLGON # SET UPDATFLG, TRACKFLG
020106,000407: 35,2164 06006 TC INTPRET
020107,000408: 35,2165 77624 CALL
020108,000409: 35,2166 10716 SELECTMU
020109,000410: 35,2167 77634 P35/P75B RTB
020110,000411: 35,2170 45505 LOADTIME
020111,000412: 35,2171 03665 STORE TSTRT
020112,000413: 35,2172 77615 DAD
020113,000414: 35,2173 02364 KT
020114,000415: 35,2174 03413 STORE TIG
020115,000416: 35,2175 03503 STORE INTIME # FOR INITVEL
020116,000417: 35,2176 34041 STCALL TDEC1
020117,000418: 35,2177 45354 PRECSET # ADVANCE BOTH VEHICLES
020118,000419: 35,2200 77624 CALL
020119,000420: 35,2201 72522 S34/35.1 # GET NORM AND LOS FOR TRANSFORM
020120,000421: 35,2202 77624 CALL
020121,000422: 35,2203 72534 S34/35.2 # GET DELTA V(LV)
020122,000423: 35,2204 77624 CALL
020123,000424: 35,2205 72742 S34/35.5
020124,000425: 35,2206 77624 CALL
020125,000426: 35,2207 73005 VN1645
020126,000427: 35,2210 77650 GOTO
020127,000428: 35,2211 72167 P35/P75B
Page 463 |
020129,000430: # ***** S33/34.1 *****
020130,000431:
020131,000432: 35,2212 66220 S33/34.1 STQ SSP
020132,000433: 35,2213 01340 NORMEX
020133,000434: 35,2214 03665 TITER
020134,000435: 35,2215 40000 OCT 40000
020135,000436: 35,2216 40345 DLOAD SETPD
020136,000437: 35,2217 33136 MAX250
020137,000438: 35,2220 00001 0D
020138,000439: 35,2221 27454 STOVL SECMAX
020139,000440: 35,2222 03540 RACT3
020140,000441: 35,2223 27576 STOVL RAPREC
020141,000442: 35,2224 03546 VACT3
020142,000443: 35,2225 27570 STOVL VAPREC
020143,000444: 35,2226 03554 RPASS3
020144,000445: 35,2227 27620 STOVL RPPREC
020145,000446: 35,2230 03562 VPASS3
020146,000447: 35,2231 03612 STORE VPPREC
020147,000448: 35,2232 77624 ELCALC CALL
020148,000449: 35,2233 72522 S34/35.1 # NORMAL AND LOS
020149,000450: 35,2234 63235 VXV PDVL
020150,000451: 35,2235 03540 RACT3 # (RA*VA)*RA 0D
020151,000452: 35,2236 53515 PDVL UNIT # ULOS AT 6D
020152,000453: 35,2237 03540 RACT3
020153,000454: 35,2240 46315 PDVL VPROJ # XCHNJ AND UP
020154,000455: 35,2241 51352 VSL2 BVSU
020155,000456: 35,2242 02625 ULOS
020156,000457: 35,2243 63256 UNIT PDVL # UP AT 0D
020157,000458: 35,2244 63241 DOT PDVL # UP.UN*RA AT 0D
020158,000459: 35,2245 00001 0D # UP IN MPAC
020159,000460: 35,2246 75241 DOT SIGN
020160,000461: 35,2247 02625 ULOS
020161,000462: 35,2250 65552 SL1 ACOS
020162,000463: 35,2251 50315 PDVL DOT # EA AT 0D
020163,000464: 35,2252 02625 ULOS
020164,000465: 35,2253 03540 RACT3
020165,000466: 35,2254 71244 BPL DLOAD
020166,000467: 35,2255 72260 TESTY
020167,000468: 35,2256 15340 DPPOSMAX
020168,000469: 35,2257 41425 DSU PUSH
020169,000470: 35,2260 71214 TESTY BOFF DLOAD
020170,000471: 35,2261 03741 ITSWICH
020171,000472: 35,2262 72507 ELEX
020172,000473: 35,2263 03452 DELEL
020173,000474: 35,2264 14033 STODL DELELO
020174,000475: 35,2265 77625 DSU
020175,000476: 35,2266 03744 ELEV
020176,000477: 35,2267 03452 STORE DELEL
020177,000478: 35,2270 45246 ABS DSU
020178,000479: 35,2271 33142 ELEPS
Page 464 |
020180,000481: 35,2272 77640 BMN
020181,000482: 35,2273 72517 TIMEX # COMMERCIALS EVERYWHERE
020182,000483: 35,2274 70535 FIGTIME SLOAD SR1
020183,000484: 35,2275 03665 TITER
020184,000485: 35,2276 72030 BHIZ LXA,1
020185,000486: 35,2277 01340 NORMEX # TOO MANY ITERATIONS
020186,000487: 35,2300 00154 MPAC
020187,000488: 35,2301 77330 SXA,1 VLOAD
020188,000489: 35,2302 03664 TITER
020189,000490: 35,2303 03554 RPASS3
020190,000491: 35,2304 65256 UNIT PDDL
020191,000492: 35,2305 00045 36D
020192,000493: 35,2306 53515 PDVL UNIT
020193,000494: 35,2307 03540 RACT3
020194,000495: 35,2310 77725 PDDL
020195,000496: 35,2311 41525 PDDL PUSH
020196,000497: 35,2312 00045 36D
020197,000498: 35,2313 77621 BDSU
020198,000499: 35,2314 00015 12D
020199,000500: 35,2315 14037 STODL 30D # RP-RA MAGNITUDES
020200,000501: 35,2316 15330 DPHALF
020201,000502: 35,2317 41425 DSU PUSH
020202,000503: 35,2320 03744 ELEV
020203,000504: 35,2321 50165 SIGN BMN
020204,000505: 35,2322 00037 30D
020205,000506: 35,2323 01340 NORMEX
020206,000507: 35,2324 71545 DLOAD COS
020207,000508: 35,2325 56205 DMP DDV
020208,000509: 35,2326 00017 14D
020209,000510: 35,2327 00015 12D
020210,000511: 35,2330 77676 DCOMP # SINCE COS(180-A)=-COS A
020211,000512: 35,2331 00035 STORE 28D
020212,000513: 35,2332 44246 ABS BDSU
020213,000514: 35,2333 15330 DPHALF
020214,000515: 35,2334 77240 BMN VLOAD
020215,000516: 35,2335 01340 NORMEX
020216,000517: 35,2336 02617 UNRM
020217,000518: 35,2337 53435 VXV UNIT
020218,000519: 35,2340 00007 6D # UN*RA
020219,000520: 35,2341 41241 DOT DMP
020220,000521: 35,2342 03546 VACT3
020221,000522: 35,2343 00015 12D
020222,000523: 35,2344 47315 PDVL VXV
020223,000524: 35,2345 00001 0D
020224,000525: 35,2346 03562 VPASS3
020225,000526: 35,2347 53435 VXV UNIT
020226,000527: 35,2350 00001 0D # (RP*VP)*RP
020227,000528: 35,2351 41241 DOT DMP
020228,000529: 35,2352 03562 VPASS3
020229,000530: 35,2353 00017 14D
Page 465 |
020231,000532: 35,2354 77621 BDSU
020232,000533: 35,2355 63301 NORM PDVL # NORMALIZED WA-WP 12D
020233,000534: 35,2356 00047 X1
020234,000535: 35,2357 00007 6D
020235,000536: 35,2360 50235 VXV DOT
020236,000537: 35,2361 00001 0D
020237,000538: 35,2362 02617 UNRM # RA*RP.UN 14D
020238,000539: 35,2363 50315 PDVL DOT
020239,000540: 35,2364 00001 0D
020240,000541: 35,2365 00007 6D
020241,000542: 35,2366 65552 SL1 ACOS
020242,000543: 35,2367 77765 SIGN
020243,000544: 35,2370 43225 DSU DAD # ALPHA PI
020244,000545: 35,2371 15330 DPHALF
020245,000546: 35,2372 03744 ELEV
020246,000547: 35,2373 65525 PDDL ACOS
020247,000548: 35,2374 00035 28D
020248,000549: 35,2375 75221 BDSU SIGN
020249,000550: 35,2376 15330 DPHALF
020250,000551: 35,2377 00037 30D # CONTAINS RP-RA
020251,000552: 35,2400 77615 DAD
020252,000553: 35,2401 56205 DMP DDV
020253,000554: 35,2402 33134 TWOPI
020254,000555: 35,2403 77605 DMP
020255,000556: 35,2404 41257 SL* DMP
020256,000557: 35,2405 20176 0 -3,1
020257,000558: 35,2406 51406 PUSH ABS
020258,000559: 35,2407 50025 DSU BMN
020259,000560: 35,2410 03454 SECMAX
020260,000561: 35,2411 72415 OKMAX
020261,000562: 35,2412 75345 DLOAD SIGN # REPLACE TIME WITH MAX TIME SIGNED
020262,000563: 35,2413 03454 SECMAX
020263,000564: 35,2414 77606 PUSH
020264,000565: 35,2415 51135 OKMAX SLOAD BPL # TEST FIRST ITERATION
020265,000566: 35,2416 03665 TITER
020266,000567: 35,2417 72425 REPETE
020267,000568: 35,2420 71331 SSP DLOAD
020268,000569: 35,2421 03665 TITER
020269,000570: 35,2422 37777 OCT 37777
020270,000571: 35,2423 77650 GOTO
020271,000572: 35,2424 72463 STORDELT
020272,000573: 35,2425 41345 REPETE DLOAD DMP
020273,000574: 35,2426 03452 DELEL
020274,000575: 35,2427 00033 DELELO
020275,000576: 35,2430 71244 BPL DLOAD
020276,000577: 35,2431 72441 NEXTES
020277,000578: 35,2432 03454 SECMAX
020278,000579: 35,2433 77605 DMP
020279,000580: 35,2434 33140 THIRD
020280,000581: 35,2435 17454 STODL SECMAX
Page 466 |
020282,000583: 35,2436 70446 ABS SR1 # CROSSED OVER SOLUTION
020283,000584: 35,2437 52076 DCOMP GOTO # DT=(-SIGN(DTO)//DT//)/2
020284,000585: 35,2440 72451 RESIGN
020285,000586: 35,2441 51545 NEXTES DLOAD ABS
020286,000587: 35,2442 03452 DELEL
020287,000588: 35,2443 51525 PDDL ABS
020288,000589: 35,2444 00033 DELELO
020289,000590: 35,2445 77625 DSU
020290,000591: 35,2446 71240 BMN DLOAD
020291,000592: 35,2447 72454 REVERS # WRONG DIRECTION
020292,000593: 35,2450 77646 ABS
020293,000594: 35,2451 52165 RESIGN SIGN GOTO
020294,000595: 35,2452 03450 DELTEEO
020295,000596: 35,2453 72463 STORDELT
020296,000597: 35,2454 57545 REVERS DLOAD DCOMP
020297,000598: 35,2455 03450 DELTEEO
020298,000599: 35,2456 70406 PUSH SR1
020299,000600: 35,2457 03450 STORE DELTEEO
020300,000601: 35,2460 77615 DAD
020301,000602: 35,2461 77650 GOTO
020302,000603: 35,2462 72464 ADTIME
020303,000604: 35,2463 03450 STORDELT STORE DELTEEO
020304,000605: 35,2464 77615 ADTIME DAD
020305,000606: 35,2465 02364 NOMTPI # SUM OF DELTA T'S
020306,000607: 35,2466 02364 STORE NOMTPI
020307,000608: 35,2467 63375 VLOAD PDVL
020308,000609: 35,2470 03570 VAPREC
020309,000610: 35,2471 03576 RAPREC
020310,000611: 35,2472 77624 CALL
020311,000612: 35,2473 72702 GOINT
020312,000613: 35,2474 77624 CALL
020313,000614: 35,2475 45376 ACTIVE # STORE NEW RACT3 VACT3
020314,000615: 35,2476 63375 VLOAD PDVL
020315,000616: 35,2477 03612 VPPREC
020316,000617: 35,2500 03620 RPPREC
020317,000618: 35,2501 77624 CALL
020318,000619: 35,2502 72702 GOINT
020319,000620: 35,2503 77624 CALL
020320,000621: 35,2504 45406 PASSIVE # STORE NEW RPASS3 VPASS3
020321,000622: 35,2505 77650 GOTO
020322,000623: 35,2506 72232 ELCALC
020323,000624: 35,2507 43345 ELEX DLOAD DAD
020324,000625: 35,2510 03663 TTPI
020325,000626: 35,2511 02364 NOMTPI
020326,000627: 35,2512 17663 STODL TTPI
020327,000628: 35,2513 77614 BON
020328,000629: 35,2514 01310 ETPIFLAG
020329,000630: 35,2515 72517 TIMEX
020330,000631: 35,2516 03744 STORE ELEV
020331,000632: 35,2517 52145 TIMEX DLOAD GOTO
Page 467 |
020333,000634: 35,2520 15332 ZEROVECS
020334,000635: 35,2521 01340 NORMEX
020335,000636:
Page 468 |
020337,000638: # ***** S34/35.1 *****
020338,000639:
020339,000640: # COMPUTE UNIT NORMAL AND LINE OF SIGHT VECTORS GIVEN THE ACTIVE AND
020340,000641: # PASSIVE POS AND VEL AT TIME T3
020341,000642:
020342,000643: 35,2522 52375 S34/35.1 VLOAD VSU
020343,000644: 35,2523 03554 RPASS3
020344,000645: 35,2524 03540 RACT3
020345,000646: 35,2525 41456 UNIT PUSH
020346,000647: 35,2526 26625 STOVL ULOS
020347,000648: 35,2527 03540 RACT3
020348,000649: 35,2530 53435 VXV UNIT
020349,000650: 35,2531 03546 VACT3
020350,000651: 35,2532 02617 STORE UNRM
020351,000652: 35,2533 77616 RVQ
020352,000653:
Page 469 |
020354,000655: # ***** S34/35.2 *****
020355,000656:
020356,000657: # ADVANCE PASSIVE VEH TO RENDEZVOUS TIME AND GET REQ VEL FROM LAMBERT
020357,000658:
020358,000659: 35,2534 77220 S34/35.2 STQ VLOAD
020359,000660: 35,2535 02370 SUBEXIT
020360,000661: 35,2536 03562 VPASS3
020361,000662: 35,2537 65315 PDVL PDDL
020362,000663: 35,2540 03554 RPASS3
020363,000664: 35,2541 03503 INTIME
020364,000665: 35,2542 65325 PDDL PDDL
020365,000666: 35,2543 03656 TPASS4
020366,000667: 35,2544 15332 ZEROVECS
020367,000668: 35,2545 45006 PUSH CALL
020368,000669: 35,2546 72706 INTINT # GET TARGET VECTOR
020369,000670: 35,2547 27415 S3435.25 STOVL RTARG
020370,000671: 35,2550 00007 VATT
020371,000672: 35,2551 27640 STOVL VPASS4
020372,000673: 35,2552 03415 RTARG
020373,000674: # COMPUTE PHI = PI + (ACC(UNIT RA.UNIT RP) - PI) SIGN(RA*RP.U)
020374,000675: 35,2553 63256 UNIT PDVL # UNIT RP
020375,000676: 35,2554 03540 RACT3
020376,000677: 35,2555 41456 UNIT PUSH # UNIT RA
020377,000678: 35,2556 50235 VXV DOT
020378,000679: 35,2557 00001 0D
020379,000680: 35,2560 02617 UNRM # RA*RP.U
020380,000681: 35,2561 77715 PDVL
020381,000682: 35,2562 72441 DOT SL1 # UNIT RA.UNIT RP
020382,000683: 35,2563 00001 0D
020383,000684: 35,2564 75326 ACOS SIGN
020384,000685: 35,2565 43244 BPL DAD
020385,000686: 35,2566 72570 NOPIE
020386,000687: 35,2567 15340 DPPOSMAX # REASONABLE TWO PI
020387,000688: 35,2570 16633 NOPIE STODL ACTCENT
020388,000689: 35,2571 03656 TPASS4
020389,000690: 35,2572 77625 DSU
020390,000691: 35,2573 03503 INTIME
020391,000692: 35,2574 03423 STORE DELLT4
020392,000693: 35,2575 40335 SLOAD SETPD
020393,000694: 35,2576 33144 DECTWO
020394,000695: 35,2577 00001 0D
020395,000696: 35,2600 63325 PDDL PDVL
020396,000697: 35,2601 33147 EPSFOUR
020397,000698: 35,2602 03540 RACT3
020398,000699: 35,2603 27570 STOVL RINIT
020399,000700: 35,2604 03546 VACT3
020400,000701: 35,2605 37576 STCALL VINIT
020401,000702: 35,2606 22000 INITVEL
020402,000703: 35,2607 77624 CALL
020403,000704: 35,2610 72667 LOMAT
020404,000705: 35,2611 64375 VLOAD MXV
Page 470 |
020406,000707: 35,2612 03646 DELVEET3
020407,000708: 35,2613 00001 0D
020408,000709: 35,2614 77772 VSL1
020409,000710: 35,2615 37405 STCALL DELVLVC
020410,000711: 35,2616 02370 SUBEXIT
020411,000712:
Page 471 |
020413,000714: # ***** S34/35.3 *****
020414,000715:
020415,000716: 35,2617 45020 S34/35.3 STQ CALL
020416,000717: 35,2620 01340 NORMEX
020417,000718: 35,2621 72667 LOMAT # GET MATRIX IN PUSH LIST
020418,000719: 35,2622 61375 VLOAD VXM
020419,000720: 35,2623 03405 DELVLVC # NEW DEL V TPI
020420,000721: 35,2624 00001 0D
020421,000722: 35,2625 77772 VSL1
020422,000723: 35,2626 03646 STORE DELVEET3 # SAVE FOR TRANSFORM
020423,000724: 35,2627 63255 VAD PDVL
020424,000725: 35,2630 03546 VACT3 # NEW V REQ
020425,000726: 35,2631 03540 RACT3
020426,000727: 35,2632 65325 PDDL PDDL
020427,000728: 35,2633 03413 TIG
020428,000729: 35,2634 03656 TPASS4
020429,000730: 35,2635 41525 PDDL PUSH
020430,000731: 35,2636 15340 DPPOSMAX
020431,000732: 35,2637 77624 CALL # INTEG. FOR NEW TARGET VEC
020432,000733: 35,2640 72706 INTINT
020433,000734: 35,2641 77775 VLOAD
020434,000735: 35,2642 00001 RATT
020435,000736: 35,2643 03415 STORE RTARG
020436,000737: 35,2644 41575 NOVRWRT VLOAD PUSH
020437,000738: 35,2645 02625 ULOS
020438,000739: 35,2646 57435 VXV VCOMP
020439,000740: 35,2647 02617 UNRM
020440,000741: 35,2650 41456 UNIT PUSH
020441,000742: 35,2651 76435 VXV VSL1
020442,000743: 35,2652 02625 ULOS
020443,000744: 35,2653 77715 PDVL
020444,000745: 35,2654 64315 PDVL MXV
020445,000746: 35,2655 03646 DELVEET3
020446,000747: 35,2656 00001 0D
020447,000748: 35,2657 77772 VSL1
020448,000749: 35,2660 36611 STCALL DVLOS
020449,000750: 35,2661 01340 NORMEX
020450,000751:
Page 472 |
020452,000753: # ***** S34/35.4 *****
020453,000754:
020454,000755: 35,2662 40220 S34/35.4 STQ SETPD # NO ASTRONAUT OVERWRITE
020455,000756: 35,2663 01340 NORMEX
020456,000757: 35,2664 00001 0D
020457,000758: 35,2665 77650 GOTO
020458,000759: 35,2666 72644 NOVRWRT
020459,000760:
Page 473 |
020461,000762: # ***** LOMAT *****
020462,000763:
020463,000764: 35,2667 57575 LOMAT VLOAD VCOMP
020464,000765: 35,2670 02617 UNRM
020465,000766: 35,2671 24007 STOVL 6D # Y
020466,000767: 35,2672 03540 RACT3
020467,000768: 35,2673 57456 UNIT VCOMP
020468,000769: 35,2674 00015 STORE 12D
020469,000770: 35,2675 76435 VXV VSL1
020470,000771: 35,2676 02617 UNRM # Z*-Y
020471,000772: 35,2677 00001 STORE 0D
020472,000773: 35,2700 43401 SETPD RVQ
020473,000774: 35,2701 00023 18D
020474,000775: 35,2702 65325 GOINT PDDL PDDL # DO
020475,000776: 35,2703 15332 ZEROVECS # NOT
020476,000777: 35,2704 02364 NOMTPI
020477,000778: 35,2705 41406 PUSH PUSH # ORDER OR INSERT BEFORE INTINT
020478,000779: 35,2706 45020 INTINT STQ CALL
020479,000780: 35,2707 02367 RTRN
020480,000781: 35,2710 27371 INTSTALL
020481,000782: 35,2711 71214 CLEAR DLOAD
020482,000783: 35,2712 01673 INTYPFLG
020483,000784: 35,2713 43054 BZE SET
020484,000785: 35,2714 72716 +2
020485,000786: 35,2715 01473 INTYPFLG
020486,000787: 35,2716 45545 DLOAD STADR
020487,000788: 35,2717 63736 STODL TDEC1
020488,000789: 35,2720 73014 SET LXA,2
020489,000790: 35,2721 00063 MOONFLAG
020490,000791: 35,2722 03746 RTX2
020491,000792: 35,2723 43014 BON CLEAR
020492,000793: 35,2724 04303 CMOONFLG
020493,000794: 35,2725 72727 ALLSET
020494,000795: 35,2726 00263 MOONFLAG
020495,000796: 35,2727 25517 ALLSET STOVL TET
020496,000797: 35,2730 77657 VSR*
020497,000798: 35,2731 57176 0,2
020498,000799: 35,2732 25535 STOVL RCV
020499,000800: 35,2733 77657 VSR*
020500,000801: 35,2734 57176 0,2
020501,000802: 35,2735 35543 STCALL VCV
020502,000803: 35,2736 27066 INTEGRVS
020503,000804: 35,2737 52175 VLOAD GOTO
020504,000805: 35,2740 00001 RATT
020505,000806: 35,2741 02367 RTRN
020506,000807:
Page 474 |
020508,000809: # ***** S34/35.5 *****
020509,000810:
020510,000811: # SUBROUTINES USED
020511,000812: # BANKCALL
020512,000813: # GOFLASH
020513,000814: # GOTOP00H
020514,000815: # S34/35.3
020515,000816: # S34.35.4
020516,000817: # VNP00H
020517,000818:
020518,000819: 35,2742 43020 S34/35.5 STQ BON
020519,000820: 35,2743 02370 SUBEXIT
020520,000821: 35,2744 01311 FINALFLG
020521,000822: 35,2745 72751 FLAGON
020522,000823: 35,2746 52014 SET GOTO
020523,000824: 35,2747 00470 UPDATFLG
020524,000825: 35,2750 72775 FLAGOFF
020525,000826: 35,2751 77414 FLAGON CLEAR EXIT
020526,000827: 35,2752 03274 NTARGFLG
020527,000828: 35,2753 33131 CAF V06N81
020528,000829: 35,2754 04555 TC BANKCALL
020529,000830: 35,2755 20624 CADR GOFLASH
020530,000831: 35,2756 04106 TC GOTOP00H
020531,000832: 35,2757 02764 TC +5
020532,000833: 35,2760 06006 TC INTPRET
020533,000834: 35,2761 77414 SET EXIT
020534,000835: 35,2762 03074 NTARGFLG
020535,000836: 35,2763 02753 TC FLAGON +2
020536,000837: 35,2764 06006 TC INTPRET
020537,000838: 35,2765 45014 BOFF CALL
020538,000839: 35,2766 03354 NTARGFLG
020539,000840: 35,2767 72771 NOCHG
020540,000841: 35,2770 72617 S34/35.3
020541,000842: 35,2771 77214 NOCHG CLEAR VLOAD
020542,000843: 35,2772 01267 XDELVFLG
020543,000844: 35,2773 03646 DELVEET3
020544,000845: 35,2774 03646 STORE DELVSIN
020545,000846: 35,2775 77624 FLAGOFF CALL
020546,000847: 35,2776 72662 S34/35.4
020547,000848: 35,2777 77776 EXIT
020548,000849: 35,3000 33130 CAF V06N59
020549,000850: 35,3001 03114 TC VNP00H
020550,000851: 35,3002 06006 TC INTPRET
020551,000852: 35,3003 77650 GOTO
020552,000853: 35,3004 02370 SUBEXIT
020553,000854:
Page 475 |
020555,000856: # ***** VN1645 *****
020556,000857:
020557,000858: # SUBROUTINES USED
020558,000859: # P3XORP7X
020559,000860: # GET+MGA
020560,000861: # BANKCALL
020561,000862: # DELAYJOB
020562,000863: # COMPTGO
020563,000864: # GOFLASHR
020564,000865: # GOTOP00H
020565,000866: # FLAGUP
020566,000867:
020567,000868: 35,3005 71220 VN1645 STQ DLOAD
020568,000869: 35,3006 02370 SUBEXIT
020569,000870: 35,3007 33145 DP-.01
020570,000871: 35,3010 03626 STORE +MGA # MGA = -.01
020571,000872: 35,3011 71214 BOFF DLOAD
020572,000873: 35,3012 01351 FINALFLG
020573,000874: 35,3013 73033 GET45
020574,000875: 35,3014 33145 DP-.01
020575,000876: 35,3015 77615 DAD
020576,000877: 35,3016 33145 DP-.01
020577,000878: 35,3017 03626 STORE +MGA # MGA = -.02
020578,000879: 35,3020 77414 BOFF EXIT
020579,000880: 35,3021 01742 REFSMFLG
020580,000881: 35,3022 73033 GET45
020581,000882: 35,3023 03106 TC P3XORP7X
020582,000883: 35,3024 03026 TC +2 # P3X
020583,000884: 35,3025 03034 TC GET45 +1 # P7X
020584,000885: 35,3026 06006 TC INTPRET
020585,000886: 35,3027 41575 VLOAD PUSH
020586,000887: 35,3030 03646 DELVSIN
020587,000888: 35,3031 77624 CALL # COMPUTE MGA
020588,000889: 35,3032 10660 GET+MGA
020589,000890: 35,3033 77776 GET45 EXIT
020590,000891: 35,3034 03564 TC COMPTGO # INITIATE TASK TO UPDATE TTOGO
020591,000892: 35,3035 31770 CA SUBEXIT
020592,000893: 35,3036 55766 TS QSAVED
020593,000894: 35,3037 34734 CAF 1SEC
020594,000895: 35,3040 04555 TC BANKCALL
020595,000896: 35,3041 01732 CADR DELAYJOB
020596,000897: 35,3042 33132 CAF V16N45 # TRKMKCNT, TTOGO, +MGA
020597,000898: 35,3043 04555 TC BANKCALL
020598,000899: 35,3044 20624 CADR GOFLASH
020599,000900: 35,3045 03050 TC KILCLOCK # TERMINATE
020600,000901: 35,3046 03053 TC N45PROC # PROCEED
020601,000902: 35,3047 03063 TC CLUPDATE # RECYCLE -- RETURN FOR INITIAL COMPUTATION
020602,000903: 35,3050 30005 KILCLOCK CA Z
020603,000904: 35,3051 54000 TS DISPDEX
Page 476 |
020605,000906: 35,3052 04106 TC GOTOP00H
020606,000907: 35,3053 40076 N45PROC CS FLAGWRD2
020607,000908: 35,3054 74705 MASK BIT6
020608,000909: 35,3055 00006 EXTEND
020609,000910: 35,3056 13050 BZF KILCLOCK # FINALFLG IS SET -- FLASH V37 -- AWAIT NEW PGM
020610,000911: 35,3057 05301 TC PHASCHNG
020611,000912: 35,3060 04024 OCT 04024
020612,000913: 35,3061 05435 TC UPFLAG # SET
020613,000914: 35,3062 00047 ADRES FINALFLG # FINALFLG
020614,000915: 35,3063 30005 CLUPDATE CA Z
020615,000916: 35,3064 54000 TS DISPDEX
020616,000917: 35,3065 05301 TC PHASCHNG
020617,000918: 35,3066 04024 OCT 04024
020618,000919: 35,3067 06006 TC INTPRET
020619,000920: 35,3070 52014 CLEAR GOTO
020620,000921: 35,3071 00670 UPDATFLG
020621,000922: 35,3072 02366 QSAVED
020622,000923:
Page 477 |
020624,000925: # ***** DISPLAYE *****
020625,000926:
020626,000927: # SUBROUTINES USED
020627,000928: # BANKCALL
020628,000929: # GOFLASHR
020629,000930: # GOTOP00H
020630,000931: # BLANKET
020631,000932: # ENDOFJOB
020632,000933:
020633,000934: 35,3073 00006 DISPLAYE EXTEND
020634,000935: 35,3074 23340 QXCH NORMEX
020635,000936: 35,3075 33126 CAF V06N55
020636,000937: 35,3076 04555 TCR BANKCALL
020637,000938: 35,3077 20763 CADR GOFLASHR
020638,000939: 35,3100 14106 TCF GOTOP00H
020639,000940: 35,3101 01340 TC NORMEX
020640,000941: 35,3102 13075 TCF -5
020641,000942: 35,3103 34712 CAF BIT1 # BLANK R1
020642,000943: 35,3104 05415 TCR BLANKET
020643,000944: 35,3105 15112 TCF ENDOFJOB
020644,000945:
Page 478 |
020646,000947: # ***** P3XORP7X *****
020647,000948:
020648,000949: 35,3106 37713 P3XORP7X CAF HIGH9
020649,000950: 35,3107 71011 MASK MODREG
020650,000951: 35,3110 00006 EXTEND
020651,000952: 35,3111 13113 BZF +2
020652,000953: 35,3112 24002 INCR Q
020653,000954: 35,3113 00002 RETURN
020654,000955:
020655,000956: # ***** VNP00H *****
020656,000957:
020657,000958: # SUBROUTINES USED
020658,000959: # BANKCALL
020659,000960: # GOFLASH
020660,000961: # GOTOP00H
020661,000962:
020662,000963: 35,3114 00006 VNP00H EXTEND
020663,000964: 35,3115 23767 QXCH RTRN
020664,000965: 35,3116 55765 TS VERBNOUN
020665,000966: 35,3117 31765 CA VERBNOUN
020666,000967: 35,3120 04555 TCR BANKCALL
020667,000968: 35,3121 20624 CADR GOFLASH
020668,000969: 35,3122 14106 TCF GOTOP00H
020669,000970: 35,3123 01767 TC RTRN
020670,000971: 35,3124 13117 TCF -5
020671,000972:
Page 479 |
020673,000974: # ***** CONSTANTS *****
020674,000975:
020675,000976: 35,3125 01445 V06N37 VN 0637
020676,000977: 35,3126 01467 V06N55 VN 0655
020677,000978: 35,3127 01472 V06N58 VN 0658
020678,000979: 35,3130 01473 V06N59 VN 0659
020679,000980: 35,3131 01521 V06N81 VN 0681
020680,000981: 35,3132 04055 V16N45 VN 1645
020681,000982: 35,3133 14441 37325 TWOPI 2DEC 6.283185307 B-4
020682,000983: 35,3135 00001 20650 MAX250 2DEC 25 E3
020683,000984: 35,3137 12525 12525 THIRD 2DEC .333333333
020684,000985: 35,3141 00004 21505 ELEPS 2DEC .27777777 E-3
020685,000986: 35,3143 00002 DECTWO OCT 2
020686,000987: 35,3144 77777 DP-.01 OCT 77777 # CONSTANTS
020687,000988: 35,3145 61337 OCT 61337 # ADJACENT -.01 FOR MGA DSP
020688,000989: 35,3146 01252 25253 EPSFOUR 2DEC .0416666666
020689,000990:
Page 480 |
020691,000992: # ***** INITVEL *****
020692,000993: # MOD NO -1 LOG SECTION -- P34-P35, P74-P75
020693,000994: # MOD BY WHITE, P. DATE: 21 NOV 67
020694,000995:
020695,000996: # FUNCTIONAL
020696,000997: # THIS SUBROUTINE COMPUTES THE REQUIRED INITIAL VELOCITY VECTOR FOR
020697,000998: # A TRAJECTORY OF SPECIFIC TRANSFER TIME BETWEEN SPECIFIED INITIAL
020698,000999: # AND TARGET POSITIONS. THE TRAJECTORY MAY BE EITHER CONIC OR
020699,001000: # PRECISION DEPENDING ON AN INPUT PARAMETER (NAMELY, NUMBER OF
020700,001001: # OFFSETS). IN ADDITION, IN TH EPRECISION TRAJECTORY CASE, THE
020701,001002: # SUBROUTINE ALSO COMPUTES AN OFFSET TARGET VECTOR, TO BE USED
020702,001003: # DURING PURE-CONIC CROSS-PRODUCT STEERING. THE OFFSET TARGET
020703,001004: # VECTOR IS THE TERMINAL POSITION VECTOR OF A CONIC TRAJECTORY WHICH
020704,001005: # HAS THE SAME INITIAL STATE AS A PRECISION TRAJECTORY WHOSE
020705,001006: # TERMINAL POSITION VECTOR IS THE SPECIFIED TARGET VECTOR.
020706,001007:
020707,001008: # IN ORDER TO AVOID THE INHERENT SINGULARITIES IN THE 180 DEGREE
020708,001009: # TRANSFER CASE WHEN THE (TRUE OR OFFSET) TARGET VECTOR MAY BE
020709,001010: # SLIGHTLYOUT OF THE ORBITAL PLANE, THIS SUBROUTINE ROTATES THIS
020710,001011: # VECTOR INTO A PLANE DEFINED BY THE INPUT INITIAL POSITION VECTOR
020711,001012: # AND ANOTHER INPUT VECTOR (USUALLY THE INITIAL VELOCITY VECTOR),
020712,001013: # WHENEVER THE INPUT TARGET VECTOR LIES INSIDE A CONE WHOSE VERTEX
020713,001014: # IS THE ORIGIN OF COORDINATES, WHOSE AXIS IS THE 180 DEGREE
020714,001015: # TRANSFER DIRECTION, AND WHOSE CONE ANGLE IS SPECIFIED BY THE USER.
020715,001016:
020716,001017: # THE LAMBERT SUBROUTINE IS UTILIZED FOR THE CONIC COMUTATIONS AND
020717,001018: # THE COASTING INTEGRATION SUBROUTINE IS UTILIZED FOR THE PRECISION
020718,001019: # TRAJECTORY COMPUTATIONS.
020719,001020:
020720,001021: # CALLING SEQUENCE
020721,001022: # L CALL
020722,001023: # L+1 INITVEL
020723,001024: # L+2 (RETURN -- ALWAYS)
020724,001025:
020725,001026: # INPUT
020726,001027: # (1) RINIT INITIAL POSITION RADIUS VECTOR
020727,001028: # (2) VINIT INITIAL POSITION VELOCITY VECTOR
020728,001029: # (3) RTARG TARGET POSITION RADIUS VECTOR
020729,001030: # (4) DELLT4 DESIRED TIME OF FLIGHT FROM RINIT TO RTARG
020730,001031: # (5) INTIME TIME OF RINIT
020731,001032: # (6) 0D NUMBER OF ITERATIONS OF LAMBERT/INTEGRVS
020732,001033: # (7) 2D ANGLE TO 180 DEGREES WHEN ROTATION STARTS
020733,001034: # (8) RTX1 -2 FOR EARTH, -10D FOR LUNAR
020734,001035: # (9) RTX2 COORDINATE SYSTEM ORIGIN -- 0 FOR EARTH, 2 FOR LUNAR
020735,001036: # PUSHLOC SET AT 4D
020736,001037:
Page 481 |
020738,001039: # OUTPUT
020739,001040: # (1) RTARG OFFSET TARGET POSITION VECTOR
020740,001041: # (2) VIPRIME MANEUVER VELOCITY REQUIRED
020741,001042: # (3) VTPRIME VELOCITY AT TARGET AFTER MANEUVER
020742,001043: # (4) DELVEET3 DELTA VELOCITY REQUIRED FOR MANEUVER
020743,001044:
020744,001045: # SUBROUTINES USED
020745,001046: # LAMBERT
020746,001047: # INTSTALL
020747,001048: # INTEGRVS
020748,001049:
020749,001050: 11,2000 SETLOC INTVEL
020750,001051: 11,2000 BANK
020751,001052:
020752,001053: 11,2000 COUNT 11/INITV
020753,001054: 11,2000 77614 INITVEL SET # COGA GUESS NOT AVAILABLE
020754,001055: 11,2001 00475 GUESSW
020755,001056: 11,2002 44175 HAVEGUES VLOAD STQ
020756,001057: 11,2003 03415 RTARG
020757,001058: 11,2004 01340 NORMEX
020758,001059: 11,2005 03604 STORE RTARG1
020759,001060: 11,2006 46135 SLOAD BHIZ
020760,001061: 11,2007 03747 RTX2
020761,001062: 11,2010 22022 INITVEL1
020762,001063: 11,2011 72575 VLOAD VSL2
020763,001064: 11,2012 03570 RINIT # B29
020764,001065: 11,2013 27570 STOVL RINIT # B27
020765,001066: 11,2014 03576 VINIT # B7
020766,001067: 11,2015 77752 VSL2
020767,001068: 11,2016 27576 STOVL VINIT # B5
020768,001069: 11,2017 03604 RTARG1
020769,001070: 11,2020 77752 VSL2
020770,001071: 11,2021 03604 STORE RTARG1
020771,001072:
020772,001073: # INITIALIZATION
020773,001074:
020774,001075: 11,2022 71331 INITVEL1 SSP DLOAD # SET ITCTR TO -1,LOAD MPAC WITH E4 (PL 2D)
020775,001076: 11,2023 03505 ITCTR
020776,001077: 11,2024 77776 0 -1
020777,001078: 11,2025 70546 COSINE SR1 # CALCULATE COSINE (E4) (+2)
020778,001079: 11,2026 17630 STODL COZY4 # SET COZY4 TO COSINE (E4) (PL 0D)
020779,001080: 11,2027 67154 LXA,2 SXA,2
020780,001081: 11,2030 00154 MPAC
020781,001082: 11,2031 02703 VTARGTAG # SET VTARGTAG TO 0D (SP)
020782,001083: 11,2032 77775 VLOAD
020783,001084: 11,2033 03570 RINIT
020784,001085: 11,2034 26657 STOVL R1VEC # R1VEC EQ RINIT
020785,001086: 11,2035 03604 RTARG1
Page 482 |
020787,001088: 11,2036 16665 STODL R2VEC # R2VEC EQ RTARG
020788,001089: 11,2037 03423 DELLT4
020789,001090: 11,2040 02673 STORE TDESIRED # TDESIRED EQ DELLT4
020790,001091: 11,2041 77201 SETPD VLOAD
020791,001092: 11,2042 00001 0D # INITIALIZE PL TO 0D
020792,001093: 11,2043 03570 RINIT # MPAC EQ RINIT (+29)
020793,001094: 11,2044 41456 UNIT PUSH # UNIT(RI) (+1) (PL 6D)
020794,001095: 11,2045 53435 VXV UNIT
020795,001096: 11,2046 03576 VINIT # MPAC EQ UNIT(RI) X VI (+8)
020796,001097: 11,2047 26676 STOVL UN
020797,001098: 11,2050 03604 RTARG1
020798,001099: 11,2051 50256 UNIT DOT # TEMP*RT.URI (+2) (PL 0D)
020799,001100: 11,2052 43015 DAD CLEAR
020800,001101: 11,2053 03630 COZY4
020801,001102: 11,2054 03665 NORMSW
020802,001103: 11,2055 03630 STORE COZY4
020803,001104: 11,2056 43044 INITVEL2 BPL SET
020804,001105: 11,2057 22101 INITVEL3 # UN CALCULATED IN LAMBERT
020805,001106: 11,2060 03465 NORMSW
020806,001107:
020807,001108: # ROTATE RC INTO YC PLANE -- SET UNIT NORMAL TO YC
020808,001109:
020809,001110: 11,2061 41575 VLOAD PUSH # (PL 6D)
020810,001111: 11,2062 02665 R2VEC # RC TO 6D (+29)
020811,001112: 11,2063 63246 ABVAL PDVL # RC TO MPAC, ABVAL(RC) (+29) TO OD(PL 2D)
020812,001113: 11,2064 46206 PUSH VPROJ # (PL 8D)
020813,001114: 11,2065 02676 UN
020814,001115: 11,2066 51352 VSL2 BVSU
020815,001116: 11,2067 74256 UNIT VXSC # (PL 0D)
020816,001117: 11,2070 77772 VSL1
020817,001118: 11,2071 02665 STORE R2VEC
020818,001119: 11,2072 67351 TLOAD SLOAD
020819,001120: 11,2073 11456 ZEROVEC
020820,001121: 11,2074 03505 ITCTR
020821,001122: 11,2075 77244 BPL VLOAD
020822,001123: 11,2076 22101 INITVEL3
020823,001124: 11,2077 02665 R2VEC
020824,001125: 11,2100 03604 STORE RTARG1
020825,001126: 11,2101 63345 INITVEL3 DLOAD PDVL # (PL 2D)
020826,001127: 11,2102 27736 MUEARTH # POSITIVE VALUE
020827,001128: 11,2103 02665 R2VEC
020828,001129: 11,2104 63256 UNIT PDVL # 2D = UNIT(R2VEC) (PL 8D)
020829,001130: 11,2105 02657 R1VEC
020830,001131: 11,2106 41456 UNIT PUSH # 8D = UNIT(R1VEC) (PL 14D)
020831,001132: 11,2107 57435 VXV VCOMP # -N = UNIT(R2VEC) X UNIT(R1VEC)
020832,001133: 11,2110 00003 2D
020833,001134: 11,2111 77606 PUSH # (PL 20D)
020834,001135: 11,2112 71350 LXA,1 DLOAD
020835,001136: 11,2113 03745 RTX1
020836,001137: 11,2114 00023 18D
020837,001138: 11,2115 62040 BMN INCR,1
Page 483 |
020839,001140: 11,2116 22120 +2
020840,001141: 11,2117 77767 DEC -8 B-14
020841,001142: 11,2120 67310 INCR,1 SLOAD
020842,001143: 11,2121 00012 10D
020843,001144: 11,2122 00047 X1
020844,001145: 11,2123 77230 BHIZ VLOAD # (PL 14D)
020845,001146: 11,2124 22126 +2
020846,001147: 11,2125 41476 VCOMP PUSH # (PL 20 D)
020847,001148: 11,2126 77775 VLOAD # (PL 14D)
020848,001149: 11,2127 50235 VXV DOT # (PL 2D)
020849,001150: 11,2130 71244 BPL DLOAD # (PL 0D)
020850,001151: 11,2131 22133 INITVEL4
020851,001152: 11,2132 41476 DCOMP PUSH # (PL 2D)
020852,001153: 11,2133 67154 INITVEL4 LXA,2 SXA,2
020853,001154: 11,2134 00000 0D
020854,001155: 11,2135 02674 GEOMSGN
020855,001156:
020856,001157: # SET INPUTS UP FOR LAMBERT
020857,001158:
020858,001159: 11,2136 45150 LXA,1 CALL
020859,001160: 11,2137 03745 RTX1
020860,001161: # OPERATE THE LAMBERT CONIC ROUTINE (COASTFLT SUBROUTINE)
020861,001162: 11,2140 25215 LAMBERT
020862,001163:
020863,001164: # ARRIVED AT SOLUTION IS GOOD ENOUGH ACCORDING TO SLIGHTLY WIDER BOUNDS.
020864,001165:
020865,001166: 11,2141 77214 CLEAR VLOAD
020866,001167: 11,2142 00675 GUESSW
020867,001168: 11,2143 02746 VVEC
020868,001169:
020869,001170: # STORE CALCULATED INITIAL VELOCITY REQUIRED IN VIPRIME
020870,001171:
020871,001172: 11,2144 17612 STODL VIPRIME # INITIAL VELOCITY REQUIRED (+7)
020872,001173:
020873,001174: # IF NUMIT IS ZERO, CONTINUE AT INITVELB, OTHERWISE
020874,001175: # SET UP INPUTS FOR ENCKE INTEGRATION (INTEGRVS).
020875,001176:
020876,001177: 11,2145 02704 VTARGTAG
020877,001178: 11,2146 45030 BHIZ CALL
020878,001179: 11,2147 22224 INITVEL7
020879,001180: 11,2150 27371 INTSTALL
020880,001181: 11,2151 43135 SLOAD CLEAR
020881,001182: 11,2152 03747 RTX2
020882,001183: 11,2153 00263 MOONFLAG
020883,001184: 11,2154 43030 BHIZ SET
020884,001185: 11,2155 22157 INITVEL5
020885,001186: 11,2156 00063 MOONFLAG
020886,001187: 11,2157 77775 INITVEL5 VLOAD
020887,001188: 11,2160 03570 RINIT
020888,001189: 11,2161 02657 STORE R1VEC
Page 484 |
020890,001191: 11,2162 25535 STOVL RCV
020891,001192: 11,2163 03612 VIPRIME
020892,001193: 11,2164 15543 STODL VCV
020893,001194: 11,2165 03503 INTIME
020894,001195: 11,2166 01517 STORE TET
020895,001196: 11,2167 43015 DAD CLEAR
020896,001197: 11,2170 03423 DELLT4
020897,001198: 11,2171 01673 INTYPFLG
020898,001199: 11,2172 34041 STCALL TDEC1
020899,001200: 11,2173 27066 INTEGRVS
020900,001201: 11,2174 77775 VLOAD
020901,001202: 11,2175 00025 VATT1
020902,001203: 11,2176 02705 STORE VTARGET
020903,001204:
020904,001205: # IF ITERATION COUNTER (ITCTR) EQ NO. ITERATIONS (NUMIT), CONTINUE AT
020905,001206: # INITVELC, OTHERWISE REITERATE LAMBERT AND ENCKE
020906,001207:
020907,001208: 11,2177 63154 LXA,2 INCR,2
020908,001209: 11,2200 03504 ITCTR
020909,001210: 11,2201 00001 1D # INCREMENT ITCTR
020910,001211: 11,2202 55134 SXA,2 XSU,2
020911,001212: 11,2203 03504 ITCTR
020912,001213: 11,2204 02703 VTARGTAG
020913,001214: 11,2205 46135 SLOAD BHIZ # IF SP(MPAC) EQ 0, CONTINUE AT INITVELC
020914,001215: 11,2206 00050 X2
020915,001216: 11,2207 22221 INITVEL6
020916,001217:
020917,001218: # OFFSET CONIC TARGET VECTGOR
020918,001219:
020919,001220: 11,2210 52375 VLOAD VSU
020920,001221: 11,2211 03604 RTARG1
020921,001222: 11,2212 00017 RATT1
020922,001223: 11,2213 77655 VAD
020923,001224: 11,2214 02665 R2VEC
020924,001225: 11,2215 16665 STODL R2VEC
020925,001226: 11,2216 03630 COZY4
020926,001227: 11,2217 77650 GOTO
020927,001228: 11,2220 22056 INITVEL2 # CONTINUE ITERATING AT INITVEL2
020928,001229:
020929,001230: # COMPUTE THE DELTA VELOCITY
020930,001231:
020931,001232: 11,2221 77775 INITVEL6 VLOAD
020932,001233: 11,2222 02665 R2VEC
020933,001234: 11,2223 03604 STORE RTARG1
020934,001235: 11,2224 52375 INITVEL7 VLOAD VSU
020935,001236: 11,2225 03612 VIPRIME
020936,001237: 11,2226 03576 VINIT
020937,001238: 11,2227 27646 STOVL DELVEET3 # DELVEET3 = VIPRIME-VINIT (+7)
020938,001239: 11,2230 02705 VTARGET
020939,001240: 11,2231 03620 STORE VTPRIME
020940,001241: 11,2232 46135 SLOAD BHIZ
020941,001242: 11,2233 03747 RTX2
Page 485 |
020943,001244: 11,2234 22251 INITVELX
020944,001245: 11,2235 70575 VLOAD VSR2
020945,001246: 11,2236 03620 VTPRIME
020946,001247: 11,2237 27620 STOVL VTPRIME
020947,001248: 11,2240 03612 VIPRIME
020948,001249: 11,2241 77742 VSR2
020949,001250: 11,2242 27612 STOVL VIPRIME
020950,001251: 11,2243 03604 RTARG1
020951,001252: 11,2244 77742 VSR2
020952,001253: 11,2245 27604 STOVL RTARG1
020953,001254: 11,2246 03646 DELVEET3
020954,001255: 11,2247 77742 VSR2
020955,001256: 11,2250 03646 STORE DELVEET3
020956,001257: 11,2251 77201 INITVELX SETPD VLOAD
020957,001258: 11,2252 00001 0D
020958,001259: 11,2253 03604 RTARG1
020959,001260: 11,2254 37415 STCALL RTARG
020960,001261: 11,2255 01340 NORMEX
020961,001262:
020962,001263: # ***** END OF INITVEL ROUTINE *****
020963,001264:
Page 486 |
020965,001266: # ***** MIDGIM *****
020966,001267: # MOD NO. 0, BY WILLMAN, SUBROUTINE RENDGUID, LOG P34-P35, P74-P75
020967,001268: # REVISION 03, 17 FEB 67
020968,001269:
020969,001270: # IF THE ACTIVE VEHICLE IS DOING THE COMPUTATION, MIDGIM COMPUTES
020970,001271: # THE POSITIVE MIDDLE GIMBAL ANGLE OF THE ACTIVE VEHICLE TO THE INPUT
020971,001272: # DELTA VELOCITY VECTOR (0D IN PUSY LIST), OTHERWISE
020972,001273: # MIDGIM CONVERTS THE INPUT DELTA VELOCITY VECTOR FROM INERTIAL COORDIN-
020973,001274: # ATES TO LOCAL VERTICAL COORDINATES OF THE ACTIVE VEHICLE.
020974,001275:
020975,001276: # ** INPUTS **
020976,001277: # NAME MEANING UNITS/SCALING/MODE
020977,001278: # AVFLAG INT FLAG -- 0 IS CSM ACTIVE, 1 IS LEM ACTIVE BIT
020978,001279: # RINIT ACTIVE VEHICLE RADIUS VECTOR METERS/CSEC (+7) VT
020979,001280: # VINIT ACTIVE VEHICLE VELOCITY VECTOR METERS/CSEC (+7) VT
020980,001281: # 0D(PL) ACTIVE VEHICLE DELTA VELOCITY VECTOR METERS/CSEC (+7) VT
020981,001282:
020982,001283: # ** OUTPUTS **
020983,001284: # NAME MEANING UNITS/SCALING/MODE
020984,001285: # +MGA + MIDDLE GIMBAL ANGLE REVOLUTIONS (+0) DP
020985,001286: # DELVLVC DELTA VELOCITY VECTOR IN LV COORD. METERS/CSEC (+7) VT
020986,001287: # MGLVFLAG INT FLAG: 0 IS +MGA COMUTED, 1 IS DELVLVC COMP. BIT
020987,001288:
020988,001289: # ** CALLING SEQUENCE **
020989,001290: # L CALL
020990,001291: # L+1 MIDGIM
020991,001292: # L+2 (RETURN -- ALWAYS)
020992,001293:
020993,001294: # ** NO SUBROUTINES CALLED **
020994,001295:
020995,001296: # ** DEBRIS -- ERASABLE TEMPORARY USAGE **
020996,001297: # A,Q,L, PUSH LIST, MPAC.
020997,001298:
020998,001299: # ** ALARMS -- NONE **
020999,001300:
Page 487 |
021001,001302: # MIDDLE GIMBAL ANGLE COMPUTATION
021002,001303: 04,2000 SETLOC MIDDGIM
021003,001304: 04,2000 BANK
021004,001305:
021005,001306: 04,2651 COUNT* $$/MIDG
021006,001307:
021007,001308: 04,2651 20000 00000 HALFREV 2DEC 1 B-1
021008,001309:
021009,001310: 04,2653 43014 MIDGIM BON BOFF
021010,001311: 04,2654 01312 AVFLAG
021011,001312: 04,2655 10673 MIDGIM1
021012,001313: 04,2656 02747 COMPUTER
021013,001314: 04,2657 10676 GET.LVC
021014,001315:
021015,001316: # COMPUTE +MGA IF AVFLAG AND COMPUTER HAVE OPPOSITE VALUES.
021016,001317:
021017,001318: 04,2660 53575 GET+MGA VLOAD UNIT # PL 0D) V (+7) TO MPAC UNITIZE UV (+1)
021018,001319: 04,2661 72441 DOT SL1 # DOT UV WITH Y(STABLE MEMBER) AND RESCALE
021019,001320: 04,2662 01744 REFSMMAT +6 # FROM +2 TO +1 FOR ASIN ROUTINE
021020,001321: 04,2663 51136 ARCSIN BPL
021021,001322: 04,2664 10670 SETMGA
021022,001323: 04,2665 43215 DAD DAD # CONVERT -MGA TO +MGA BY
021023,001324: 04,2666 10652 HALFREV # ADDING ONE REVOLUTION
021024,001325: 04,2667 10652 HALFREV
021025,001326: 04,2670 03626 SETMGA STORE +MGA
021026,001327: 04,2671 43414 CLR RVQ # CLEAR MGLVFLAG TO INDICATE +MGA CALC
021027,001328: 04,2672 02675 MGLVFLAG # AND EXIT
021028,001329:
021029,001330: 04,2673 77614 MIDGIM1 BOFF
021030,001331: 04,2674 02747 COMPUTER
021031,001332: 04,2675 10660 GET+MGA
021032,001333:
021033,001334: # COMPUTE DELVLVC IF AVFLAG AND COMPUTER HAVE SAME VALUES
021034,001335:
021035,001336: 04,2676 53575 GET.LVC VLOAD UNIT # (PL 6D) R (+29) IN MPAC UNITZE UR
021036,001337: 04,2677 03570 RINIT
021037,001338: 04,2700 77676 VCOMP # U(-R)
021038,001339: 04,2701 00023 STORE 18D # U(-R) TO 18D
021039,001340: 04,2702 53435 VXV UNIT # U(-R)*V EQ V*U(R), U(V*R)
021040,001341: 04,2703 03576 VINIT
021041,001342: 04,2704 00015 STORE 12D # U(V*R) TO 12D
021042,001343: 04,2705 53435 VXV UNIT # U(V*R)*U(-R), U((V*R)*(-R))
021043,001344: 04,2706 00023 18D
021044,001345: 04,2707 24007 STOVL 6D # TRANSFORMATION MATRIX IS IN 6D (+1)
021045,001346: 04,2710 00001 0D # DELTA V (+7) IN 0D
021046,001347: 04,2711 76521 MXV VSL1 # CONVERT FROM INER COOR TO LV COOR (+8)
021047,001348: 04,2712 00007 6D # AND SCALE +7 IN MPAC
021048,001349: 04,2713 03405 STORE DELVLVC # STORE IN DELVLVC (+7(
021049,001350: 04,2714 43414 SET RVQ # SET MGLVFLAG TO INDICATE LVC CALC
021050,001351: 04,2715 02475 MGLVFLAG # AND EXIT
021051,001352:
021052,001353: # ***** END OF MIDGIM ROUTINE *****
021053,001354:
Page 488 |
021055,001356: 04,2716 77160 SELECTMU AXC,1 AXT,2
021056,001357: 04,2717 00002 2D
021057,001358: 04,2720 00000 0D
021058,001359: 04,2721 77614 BOFF
021059,001360: 04,2722 04343 CMOONFLG
021060,001361: 04,2723 10727 SETMUER
021061,001362: 04,2724 77160 AXC,1 AXT,2
021062,001363: 04,2725 00012 10D
021063,001364: 04,2726 00002 2D
021064,001365: 04,2727 66143 SETMUER DLOAD* SXA,1
021065,001366: 04,2730 11635 MUTABLE +4,1
021066,001367: 04,2731 03745 RTX1
021067,001368: 04,2732 23752 STODL* RTSR1/MU
021068,001369: 04,2733 11627 MUTABLE -2,1
021069,001370: 04,2734 54214 BOFF SR
021070,001371: 04,2735 04343 CMOONFLG
021071,001372: 04,2736 10740 RTRNMU
021072,001373: 04,2737 20607 6D
021073,001374: 04,2740 03750 RTRNMU STORE RTMU
021074,001375: 04,2741 43134 SXA,2 CLEAR
021075,001376: 04,2742 03746 RTX2
021076,001377: 04,2743 01271 FINALFLG
021077,001378: 04,2744 77650 GOTO
021078,001379: 04,2745 73005 VN1645
021079,001380:
Page 489 |
021081,001382: # ***** PERIAPO *****
021082,001383: # MOD NO -1 LOG SECTION -- P34-P35, P74-P75
021083,001384: # MOD BY WHITE, P. DATE 18 JAN 68
021084,001385:
021085,001386: # FUNCTIONAL DESCRIPTION
021086,001387: # THIS SUBROUTINE COMPUTES THE TWO BODY APOCENTER AND PERICENTER
021087,001388: # ALTITUDES GIVEN THE POSITION AND VELOCITY VECTORS FOR A POINT ON
021088,001389: # THE TRAJECTORY AND THE PRIMARY BODY.
021089,001390:
021090,001391: # SETRAD IS CALLED TO DETERMINE THE RADIUS OF THE PRIMARY BODY.
021091,001392:
021092,001393: # APSIDES IS CALLED TO SOVE FOR THE TWO BODY RADII OF APOCENTER AND
021093,001394: # PERICENTER AND THE ECCENTRICITY OF THE TRAJECTORY.
021094,001395:
021095,001396: # CALLING SEQUENCE
021096,001397: # L CALL
021097,001398: # L+1 PERIAPO
021098,001399: # L+2 (RETURN -- ALWAYS)
021099,001400:
021100,001401: # INPUT
021101,001402: # (1) RVEC POSITION VECTOR IN METERS
021102,001403: # SCALE FACTOR -- EARTH +29, MOON +27
021103,001404: # (2) VVEC VELOCITY VECTORY IN METERS/CENTISECOND
021104,001405: # SCALE FACTOR -- EARTH +7, MOON +5
021105,001406: # (3) X1 PRIMARY BODY INDICATOR
021106,001407: # EARTH -2, MOON -10
021107,001408:
021108,001409: # OUTPUT
021109,001410: # (1) 2D APOCENTER RADIUS IN METERS
021110,001411: # SCALE FACTOR -- EARTH +29, MOON +27
021111,001412: # (2) 4D APOCENTER ALTITUDE IN METERS
021112,001413: # SCALE FACTOR -- EARTH +29, MOON +27
021113,001414: # (3) 6D PERICENTER RADIUS IN METERS
021114,001415: # SCALE FACTOR -- EARTH +29, MOON +27
021115,001416: # (4) 8D PERICENTER ALTITUDE IN METERS
021116,001417: # SCALE FACTOR -- EARTH +29, MOON +27
021117,001418: # (5) ECC ECCENTRICITY OF CONIC TRAJECTORY
021118,001419: # SCALE FACTOR -- +3
021119,001420: # (6) XXXALT RADIUS OF THE PRIMARY BODY IN METERS
021120,001421: # SCALE FACTOR -- EARTH +29, MOON +27
021121,001422: # (7) PUSHLOC EQUALS 10D
021122,001423:
021123,001424: # SUBROUTINES USED
021124,001425: # SETRAD
Page 490 |
021126,001427: # APSIDES
021127,001428:
021128,001429: 22,2000 SETLOC APOPERI
021129,001430: 22,2000 BANK
021130,001431:
021131,001432: 22,3310 COUNT* $$/PERAP
021132,001433:
021133,001434: 22,3310 00302 17755 RPAD 2DEC 6373338 B-29 # STANDARD RADIUS OF PAD 37-B.
021134,001435: # = 20 909 901.57 FT
021135,001436:
021136,001437: 22,3312 53754 PERIAPO1 LXA,2 VSR*
021137,001438: 22,3313 03746 RTX2
021138,001439: 22,3314 57176 0,2
021139,001440: 22,3315 26746 STOVL VVEC
021140,001441: 22,3316 53750 LXA,1 VSR*
021141,001442: 22,3317 03745 RTX1
021142,001443: 22,3320 57176 0,2
021143,001444: 22,3321 02657 STORE RVEC
021144,001445: 22,3322 45020 PERIAPO STQ CALL
021145,001446: 22,3323 01340 NORMEX
021146,001447: 22,3324 45340 SETRAD
021147,001448: 22,3325 37456 STCALL XXXALT
021148,001449: 22,3326 25671 APSIDES
021149,001450: 22,3327 41401 SETPD PUSH # 2D = APOCENTER RADIUS B29 OR B27
021150,001451: 22,3330 00003 2D
021151,001452: 22,3331 65225 DSU PDDL # 4D = APOGEE ALTITUDE B29 OR B27
021152,001453: 22,3332 03456 XXXALT
021153,001454: 22,3333 00001 0D
021154,001455: 22,3334 45206 PUSH DSU # 6D = PERICENTER RADIUS B29 OR B27
021155,001456: 22,3335 03456 XXXALT
021156,001457: 22,3336 52006 PUSH GOTO # 8D = PERIGEE ALTITUDE B29 OR B27
021157,001458: 22,3337 01340 NORMEX
Page 491 |
021159,001460: 22,3340 41545 SETRAD DLOAD PUSH
021160,001461: 22,3341 05311 RPAD
021161,001462: 22,3342 63130 SXA,1 INCR,2
021162,001463: 22,3343 00047 X2
021163,001464: 22,3344 00002 2D
021164,001465: 22,3345 46135 SLOAD BHIZ
021165,001466: 22,3346 00050 X2
021166,001467: 22,3347 45353 SETRADX
021167,001468: 22,3350 51575 VLOAD ABVAL
021168,001469: 22,3351 02026 RLS
021169,001470: 22,3352 77725 PDDL
021170,001471: 22,3353 43545 SETRADX DLOAD RVQ
021171,001472:
Page 492 |
021173,001474: 22,3354 77620 PRECSET STQ
021174,001475: 22,3355 01340 NORMEX
021175,001476: 22,3356 36635 STCALL TDEC2
021176,001477: 22,3357 27036 LEMPREC
021177,001478: 22,3360 77624 CALL
021178,001479: 22,3361 45372 LEMSTORE
021179,001480: 22,3362 77745 DLOAD
021180,001481: 22,3363 02635 TDEC2
021181,001482: 22,3364 34041 STCALL TDEC1
021182,001483: 22,3365 27022 CSMPREC
021183,001484: 22,3366 77624 CALL
021184,001485: 22,3367 45402 CSMSTORE
021185,001486: 22,3370 77650 GOTO
021186,001487: 22,3371 01340 NORMEX
021187,001488: 22,3372 43175 LEMSTORE VLOAD BOFF
021188,001489: 22,3373 00001 RATT
021189,001490: 22,3374 01352 AVFLAG
021190,001491: 22,3375 45406 PASSIVE
021191,001492: 22,3376 27540 ACTIVE STOVL RACT3
021192,001493: 22,3377 00007 VATT
021193,001494: 22,3400 03546 STORE VACT3
021194,001495: 22,3401 77616 RVQ
021195,001496: 22,3402 43175 CSMSTORE VLOAD BOFF
021196,001497: 22,3403 00001 RATT
021197,001498: 22,3404 01352 AVFLAG
021198,001499: 22,3405 45376 ACTIVE
021199,001500: 22,3406 27554 PASSIVE STOVL RPASS3
021200,001501: 22,3407 00007 VATT
021201,001502: 22,3410 03562 STORE VPASS3
021202,001503: 22,3411 77616 RVQ
021203,001504:
Page 493 |
021205,001506: 22,3412 53754 VECSHIFT LXA,2 VSR*
021206,001507: 22,3413 03746 RTX2
021207,001508: 22,3414 57176 0,2
021208,001509: 22,3415 63350 LXA,1 PDVL
021209,001510: 22,3416 03745 RTX1
021210,001511: 22,3417 63257 VSR* PDVL
021211,001512: 22,3420 57176 0,2
021212,001513: 22,3421 77616 RVQ
021213,001514:
Page 494 |
021215,001516: 22,3422 53754 SHIFTR1 LXA,2 SL*
021216,001517: 22,3423 03746 RTX2
021217,001518: 22,3424 57576 0,2
021218,001519: 22,3425 77616 RVQ
021219,001520:
Page 495 |
021221,001522: # PROGRAM DESCRIPTION
021222,001523:
021223,001524: # SUBROUTINE NAME R36 OUT-OF-PLANE RENDEZVOUS ROUTINE
021224,001525: # MOD NO. 0 DATE 22 DECEMBER 67
021225,001526: # MOD BY N.M.NEVILLE LOG SECTION EXTENDED VERBS
021226,001527:
021227,001528: # FUNCTIONAL DESCRIPTION
021228,001529:
021229,001530: # TO DISPLAY AT ASTRONAUT REQUEST LGC CALCULATED RENDEZVOUS
021230,001531: # OUT-OF-PLANE PARAMETERS (Y, YDOT, PSI). (REQUESTED BY DSKY).
021231,001532:
021232,001533: # CALLING SEQUENCE
021233,001534: # ASTRONAUT REQUEST THROUGH DSKY V 90 E
021234,001535:
021235,001536: # SUBROUTINES CALLED
021236,001537: # EXDSPRET
021237,001538: # GOMARKF
021238,001539: # CSMPREC
021239,001540: # LEMPREC
021240,001541: # SGNAGREE
021241,001542: # LOADTIME
021242,001543:
021243,001544: # NORMAL EXIT MODES
021244,001545: # ASTRONAUT REQUEST THROUGH DSKY TO TERMINATE PROGRAM V 34 E
021245,001546:
021246,001547: # ALARM OR ABORT EXIT MODES
021247,001548: # NONE
021248,001549:
021249,001550: # OUTPUT
021250,001551: # DECIMAL DISPLAY OF TIME, Y, YDOT AND PSI
021251,001552:
021252,001553: # DISPLAYED VALUES Y, YDOT, AND PSI, ARE STORED IN ERASABLE
021253,001554: # REGISTERS RANGE, RRATE, AND RTHETA RESPECTIVELY.
021254,001555:
021255,001556: # ERASABLE INITIALIZATION REQUIRED
021256,001557: # CSM AND LEM STATE VECTORS
021257,001558:
021258,001559: # DEBRIS
021259,001560: # CENTRALS A,Q,L
021260,001561: # OTHER: THOSE USED BY THE ABOVE LISTED SUBROUTINES
021261,001562:
021262,001563: 20,2000 BANK 20
021263,001564: 04,2000 SETLOC R36LM
021264,001565: 04,2000 BANK
Page 496 |
021266,001567: 04,2746 E4,1726 EBANK= RPASS36
021267,001568: 04,2746 COUNT* $$/R36
021268,001569:
021269,001570: 04,2746 22007 R36 ZL
021270,001571: 04,2747 34714 CAF ZERO # SET TIME OF EVENT TO ZERO FOR FIRST
021271,001572: 04,2750 53052 DXCH DSPTEMX # DISPLAY
021272,001573: 04,2751 33101 CAF V06N16N
021273,001574: 04,2752 04555 TC BANKCALL
021274,001575: 04,2753 20465 CADR GOMARKF
021275,001576: 04,2754 15423 TCF ENDEXT # TERMINATE
021276,001577: 04,2755 12757 TCF +2 # PROCEED
021277,001578: 04,2756 12751 TCF -5 # RECYCLE FOR ASTRONAUT INPUT TIME
021278,001579: 04,2757 53052 DXCH DSPTEMX
021279,001580: 04,2760 00006 EXTEND
021280,001581: 04,2761 13070 BZF LREGCHK # A-REG ZERO GOTO CHECK L-REG FOR ZERO
021281,001582: 04,2762 52155 ASTROTIM DXCH MPAC # A-REG NON-ZERO, TIME = ASTRO INPUT TIME
021282,001583: 04,2763 06006 TC INTPRET
021283,001584: 04,2764 77634 RTB
021284,001585: 04,2765 45713 DPMODE
021285,001586: 04,2766 34041 R36INT STCALL TDEC1
021286,001587: 04,2767 27036 OTHPREC
021287,001588: 04,2770 63375 VLOAD PDVL
021288,001589: 04,2771 00007 VATT
021289,001590: 04,2772 00001 RATT # -
021290,001591: 04,2773 02327 STORE RPASS36 # R
021291,001592: 04,2774 63256 UNIT PDVL # P
021292,001593: 04,2775 53435 VXV UNIT # -
021293,001594: 04,2776 77626 STADR
021294,001595: 04,2777 61442 STODL UNP36 # U
021295,001596: 04,3000 00015 TAT
021296,001597: 04,3001 34041 STCALL TDEC1
021297,001598: 04,3002 27022 THISPREC
021298,001599: 04,3003 63375 VLOAD PDVL # -
021299,001600: 04,3004 00007 VATT # VELOCITY VECTOR V 00D
021300,001601: 04,3005 00001 RATT # A
021301,001602: 04,3006 77725 PDDL
021302,001603: 04,3007 00015 TAT # SAVE TIME IN LOCATION 30D FOR REDISPLAY
021303,001604: 04,3010 24037 STOVL 30D # _
021304,001605: 04,3011 41406 PUSH PUSH # POSITION VECTOR R IN 06D AND 12D
021305,001606: 04,3012 63245 BVSU PDVL # _A _
021306,001607: 04,3013 02327 RPASS36 # LINE OF SIGHT VECTOR R - R 12D
021307,001608: 04,3014 72441 DOT SL1 # P A
021308,001609: 04,3015 02335 UNP36 # _ _
021309,001610: 04,3016 26321 STOVL RANGE # Y = U . R
021310,001611: 04,3017 00001 00D # A
021311,001612: 04,3020 72441 DOT SL1
021312,001613: 04,3021 02335 UNP36 # . _ _
021313,001614: 04,3022 26323 STOVL RRATE # Y = U . V
021314,001615: 04,3023 00007 06D # _ A
Page 497 |
021316,001617: 04,3024 41456 UNIT PUSH # U = UNIT ( R ) 18D
021317,001618: 04,3025 47235 VXV VXV # RA A
021318,001619: 04,3026 00001 00D # _ _ _ _
021319,001620: 04,3027 00023 18D # (U X V ) X U = U
021320,001621: 04,3030 53552 VSL2 UNIT # RA A RA A
021321,001622: 04,3031 77656 UNIT
021322,001623: 04,3032 24001 STOVL 00D # UNIT HORIZONTAL IN FORWARD DIR. 00D
021323,001624: 04,3033 00023 18D
021324,001625: 04,3034 74241 DOT VXSC # _
021325,001626: 04,3035 00015 12D # U
021326,001627: 04,3036 77752 VSL2 # L
021327,001628: 04,3037 53445 BVSU UNIT
021328,001629: 04,3040 77656 UNIT
021329,001630: 04,3041 50206 PUSH DOT # LOS PROJECTED INTO HORIZONTAL 12D
021330,001631: 04,3042 00001 00D # PLANE
021331,001632: 04,3043 65552 SL1 ARCCOS # _ _
021332,001633: 04,3044 26325 STOVL RTHETA # PSI = ARCCOS(U . U )
021333,001634: 04,3045 50235 VXV DOT # A L
021334,001635: 04,3046 00001 00D
021335,001636: 04,3047 71244 BPL DLOAD
021336,001637: 04,3050 11055 R36TAG2
021337,001638: 04,3051 11467 LODPMAX
021338,001639: 04,3052 77625 DSU
021339,001640: 04,3053 02325 RTHETA
021340,001641: 04,3054 02325 STORE RTHETA
021341,001642: 04,3055 47145 R36TAG2 DLOAD RTB
021342,001643: 04,3056 00037 30D
021343,001644: 04,3057 45541 SGNAGREE
021344,001645: 04,3060 01052 STORE DSPTEMX
021345,001646: 04,3061 77776 EXIT
021346,001647: 04,3062 33102 CAF V06N90N # DISPLAY Y, YDOT, AND PSI.
021347,001648: 04,3063 04555 TC BANKCALL
021348,001649: 04,3064 20465 CADR GOMARKF
021349,001650: 04,3065 15423 TCF ENDEXT # TERMINATE
021350,001651: 04,3066 15423 TCF ENDEXT # PROCEED, END OF PROGRAM
021351,001652: 04,3067 12751 TCF R36 +3 # REDISPLAY OUTPUT
021352,001653: 04,3070 56001 LREGCHK XCH L
021353,001654: 04,3071 00006 EXTEND
021354,001655: 04,3072 13075 BZF ENTTIM2 # L-REG ZERO, SET TIME = PRESENT TIME
021355,001656: 04,3073 56001 XCH L # L-REG NON ZERO, TIME = ASTRO INPUT TIME
021356,001657: 04,3074 12762 TCF ASTROTIM
021357,001658: 04,3075 06006 ENTTIM2 TC INTPRET
021358,001659: 04,3076 52034 RTB GOTO # ASTRO-SELECTED PRESENT TIME
021359,001660: 04,3077 45505 LOADTIME
021360,001661: 04,3100 10766 R36INT
021361,001662: 04,3101 01420 V06N16N VN 00616
021362,001663: 04,3102 01532 V06N90N VN 00690
End of include-file P34-35_P74-75.agc. Parent file is MAIN.agc