Source Code
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These source-code files were obtained by digitally photographing
an Artemis 72 program listing from a private collection and then
modifying pre-existing Comanche 55 (Apollo 11) source files to
incorporate changes. Note that the page images
presented online are of reduced quality, and that additional images
may be 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 072 OF AGC PROGRAM ARTEMIS BY NASA 2021114-011 11:40 FEB. 26, 1971 THIS AGC PROGRAM SHALL ALSO BE REFERRED TO AS COLOSSUS 3 THIS PROGRAM IS INTENDED FOR USE IN THE CM AS SPECIFIED IN REPORT R-577. THIS PROGRAM WAS PREPARED UNDER OSR PROJECT 55-23890, SPONSORED BY THE MANNED SPACECRAFT CENTER OF THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION THROUGH CONTRACT NAS 9-4065 WITH THE CHARLES STARK DRAPER LABORATORY, MASSACHUSETTS INSTITUTE OF TECHNOLOGY, CAMBRIDGE, MASS. |
039329,000002: # Copyright: Public domain.
039330,000003: # Filename: P37_P70.agc
039331,000004: # Purpose: Part of the source code for Artemis (i.e., Colossus 3),
039332,000005: # build 072. This is for the Command Module's (CM)
039333,000006: # Apollo Guidance Computer (AGC), we believe for
039334,000007: # Apollo 15-17.
039335,000008: # Assembler: yaYUL
039336,000009: # Contact: Steve Case <case1780@adelphia.net>
039337,000010: # Website: www.ibiblio.org/apollo/index.html
039338,000011: # Page scans: www.ibiblio.org/apollo/ScansForConversion/Artemis072/
039339,000012: # Mod history: 2009-09-01 SMC Adapted from Comanche055 files.
039340,000013: # 2009-09-03 JL Fixed symbol names, page metadata.
039341,000014: # 2009-09-04 JL Fixed typo.
039342,000015: # 2009-09-08 JL Fixed typos.
039343,000016: # 2010-02-01 JL Fixed build errors.
039344,000017: # 2010-02-13 JL Fixed error on p905.
039345,000018: # 2010-02-20 RSB Un-##'d this header.
039346,000019: # 2010-04-11 JL Add missing comment characters.
039347,000020:
039348,000021: # # Page 897
039349,000022: 36,2000 SETLOC RTE1
039350,000023: 36,2000 BANK
039351,000024:
039352,000025: 36,2476 E7,1631 EBANK= RTEDVD
039353,000026: 36,2476 COUNT* $$/P37
039354,000027:
039355,000028: # PROGRAM DESCRIPTION - P37, RETURN TO EARTH
039356,000029:
039357,000030: # DESCRIPTION
039358,000031: # A RETURN TO EARTH TRAJECTORY IS COMPUTED PROVIDED THE CSM IS OUTSIDE THE LUNAR SPHERE OF INFLUENCE AT THE
039359,000032: # TIME OF IGNITION. INITIALLY A CONIC TRAJECTORY IS DETERMINED AND RESULTING IGNITION AND REENTRY PARAMETERS ARE
039360,000033: # DISPLAYED TO THE ASTRONAUT. THEN IF THE ASTRONAUT SO DESIRES, A PRECISION TRAJECTORY IS DETERMINED WTIH THE
039361,000034: # RESULTING IGNITION AND REENTRY PARAMETERS DISPLAYED. UPON FINAL ACCEPTANCE BY THE ASTRONAUT, THE PROGRAM
039362,000035: # COMPUTES AND STORES THE TARGET PARAMETERS FOR RETURN TO EARTH FOR USE BY SPS PROGRAM (P40) OR RCS PROGRAM (P41).
039363,000036:
039364,000037: # CALLING SEQUENCE
039365,000038: # L TC P37
039366,000039:
039367,000040: # SUBROUTINES CALLED
039368,000041: # PREC100
039369,000042: # V2T100
039370,000043: # RTENCK2
039371,000044: # RTENCK3
039372,000045: # TIMERAD
039373,000046: # PARAM
039374,000047: # V2T100
039375,000048: # GAMDV10
039376,000049: # XT1LIM
039377,000050: # DVCALC
039378,000051: # RTENCK1
039379,000052: # INTSTALL
039380,000053: # INTEGRVS
039381,000054: # RTEVN
039382,000055: # RETDISP
039383,000056: # TMRAD100
039384,000057: # AUGEKUGL
039385,000058: # LAT-LONG
039386,000059: # TMRAD100
039387,000060: # TIMERAD
039388,000061: # INVC100
039389,000062: # CSMPREC
039390,000063: # GETERAD
039391,000064: # TIMETHET
039392,000065: # P370ALRM
039393,000066: # VN1645
039394,000067: # POLY
039395,000068:
039396,000069: # ERASABLE INITIALIZATION REQUIRED
039397,000070: # CSM STATE VECTOR
039398,000071: # NJETSFLG NUMBER OF JETS IF THE RCS PROPULSION SYSTEM SELECTED STATE FLAG 0=4 JETS 1=2 JETS
039399,000072:
039400,000073: # # Page 898
039401,000074: # ASTRONAUT INPUT
039402,000075: # SPRTETIG TIME OF IGNITION (OVERLAYS TIG) DP B28 CS
039403,000076: # VPRED DESIRED CHANGE IN VELOCITY AT TIG(PROGRM COMPUTED IF 0) DP B7 METERS/CS
039404,000077: # GAMMAEI DESIRED FLIGHT PATH ANGLE AT REENTRY (COMPUTED IF 0) DP B0 REVS + ABOVE HORIZ.
039405,000078: # OPTION2 PROPULSION SYSTEM OPTION SP B14 1=SPS, 2=RCS
039406,000079:
039407,000080: # OUTPUT
039408,000081: # CONIC OR PRECISION TRAJECTORY DISPLAY
039409,000082: # VPRED VELOCITY MAGNITUDE AT 400,000 FT. ENTRY ALTITUDE DP B7 METERS/CS
039410,000083: # T3TOT4 TRANSIT TIME TO 400,000 FT. ENTRY ALTITUDE DP B28 CS
039411,000084: # GAMMAEI FLIGHT PATH ANGLE AT 400,000 FT. ENTRY ALTITUDE DP B0 REVS + ABOVE HORIZON
039412,000085: # DELVLVC INITIAL VELOCITY CHANGE VECTOR IN LOCAL VERTICAL COORD. VECTOR B7 METERS/CS
039413,000086: # LAT(SPL) LATITUDE OF THE LANDING SITE DP B0 REVS
039414,000087: # LNG(SPL) LONGITUDE OF THE LANDING SITE DP B0 REVS
039415,000088: # TARGETING COMPUTATION DISPLAY
039416,000089: # TIG RECOMPUTED TIG BASED ON THRUST OPTION DP B28 CS
039417,000090: # TTOGO TIME FROM TIG DP B28 CS
039418,000091: # +MGA POSITIVE MIDDLE GIMBAL ANGLE DP B0 REVS -.02 IF REFSMFLG=0
039419,000092: # THRUST PROGRAM COMMUNICATION
039420,000093: # XDELVFLG EXTERNAL DELTA V FLAG STATE FLAG SET 0 FOR LAMBERT AIMPT
039421,000094: # NORMSW LAMBERT AIMPT ROTATION SWITCH STATE FLAG SET 0 FOR NO ROTATION
039422,000095: # ECSTEER CROSS PRODUCT STEERING CONSTANT SP B2 SET 1
039423,000096: # RTARG CONICALLY INTEGRATED REENTRY POSITION VECTOR VECTOR B29 METERS
039424,000097: # TPASS4 REENTRY TIME DP B28 CS
039425,000098:
039426,000099: 36,2476 05402 P37 TC PHASCHNG # P37 IS NOT RESTARTABLE.
039427,000100: 36,2477 00004 OCT 4
039428,000101:
039429,000102: 36,2500 06006 TC INTPRET
039430,000103: 36,2501 66170 AXT,1 SXA,1
039431,000104: 36,2502 04000 OCT 04000
039432,000105: 36,2503 03424 ECSTEER
039433,000106: 36,2504 77745 DLOAD
039434,000107: 36,2505 15336 ZEROVECS
039435,000108: 36,2506 03757 STORE VPRED
039436,000109: 36,2507 03761 STORE GAMMAEI
039437,000110: 36,2510 77776 EXIT
039438,000111: 36,2511 35026 CAF V6N33RTE # INPUT TIG STORED IN SPRTETIG
039439,000112: 36,2512 03246 TCR P370GOF # OVERLAYED WITH TIG
039440,000113: 36,2513 12511 TCF -2 # DISPLAY NEW DATA
039441,000114: 36,2514 35033 CAF V6N60RTE # INPUT REENTRY ANGLE IN GAMMAEI
039442,000115: 36,2515 03222 TCR P37GFRB1 # AND DESIRED DELTA V IN RTEDVD
039443,000116: 36,2516 12514 TCF -2 # DISPLAY NEW DATA
039444,000117: 36,2517 06006 RTE299 TC INTPRET
039445,000118: 36,2520 71331 SSP DLOAD
039446,000119: 36,2521 00122 OVFIND
039447,000120: 36,2522 00000 0
039448,000121: 36,2523 03757 VPRED
039449,000122: 36,2524 17632 STODL RTEDVD
039450,000123: 36,2525 03761 GAMMAEI
039451,000124: # # Page 899
039452,000125: 36,2526 17634 STODL RTEGAM2D
039453,000126: 36,2527 33572 1RTEB13
039454,000127: 36,2530 17551 STODL CONICX1
039455,000128: 36,2531 33662 C4RTE
039456,000129: 36,2532 37652 STCALL MAMAX1
039457,000130: 36,2533 64455 INVC100 # GET R(T1)/,V(T1)/,UR1/,UH/
039458,000131: 36,2534 71214 CLEAR DLOAD
039459,000132: 36,2535 02662 SLOWFLG
039460,000133: 36,2536 03632 RTEDVD
039461,000134: 36,2537 51444 BPL ABS
039462,000135: 36,2540 74550 RTE317
039463,000136: 36,2541 03632 STORE RTEDVD
039464,000137: 36,2542 45345 DLOAD DSU
039465,000138: 36,2543 03646 R(T1)
039466,000139: 36,2544 33664 K1RTE
039467,000140: 36,2545 43040 BMN SET
039468,000141: 36,2546 74550 RTE317
039469,000142: 36,2547 02462 SLOWFLG
039470,000143: 36,2550 77545 RTE317 DLOAD EXIT
039471,000144: 36,2551 03646 R(T1)
039472,000145: 36,2552 07171 TC POLY
039473,000146: 36,2553 00002 DEC 2 B-14
039474,000147: 36,2554 02544 35436 2DEC 181000434. B-31
039475,000148: 36,2556 14040 05066 2DEC 1.50785145 B-2
039476,000149: 36,2560 44052 60030 2DEC* -6.49993057 E-9 B27*
039477,000150: 36,2562 26415 25057 2DEC* 9.76938926 E-18 B56*
039478,000151: 36,2564 06006 TC INTPRET
039479,000152: 36,2565 77752 SL1
039480,000153: 36,2566 17654 STODL MAMAX2 # C0+C1*R+C2*R**2+C3*R**3=MAMAX2 B30
039481,000154: 36,2567 33614 M9RTEB28
039482,000155: 36,2570 17730 STODL NN1A
039483,000156: 36,2571 33666 K2RTE
039484,000157: 36,2572 17636 RTE320 STODL RCON # RCON=K2
039485,000158: 36,2573 03634 RTEGAM2D
039486,000159: 36,2574 44254 BZE BDSU
039487,000160: 36,2575 74604 RTE340 # GOTORTE340 IF REENTRY ANGLE NOT INPUT
039488,000161: 36,2576 15326 1RTEB2
039489,000162: 36,2577 71406 PUSH COS # PL02D
039490,000163: 36,2600 73525 PDDL SIN
039491,000164: 36,2601 45465 BDDV STADR # PL00D
039492,000165: 36,2602 40051 STCALL X(T2) # X(T2)=COT(GAM2D) B0
039493,000166: 36,2603 74617 RTE360
039494,000167: 36,2604 45345 RTE340 DLOAD DSU
039495,000168: 36,2605 03646 R(T1)
039496,000169: 36,2606 33664 K1RTE
039497,000170: 36,2607 71240 BMN DLOAD
039498,000171: # # Page 900
039499,000172: 36,2610 74614 RTE350
039500,000173: 36,2611 33672 K4RTE
039501,000174: 36,2612 37726 STCALL X(T2) # X(T2)=K4
039502,000175: 36,2613 74617 RTE360
039503,000176: 36,2614 77745 RTE350 DLOAD
039504,000177: 36,2615 33670 K3RTE
039505,000178: 36,2616 03726 STORE X(T2) # X(T2)=K3
039506,000179: 36,2617 77624 RTE360 CALL
039507,000180: 36,2620 65102 V2T100
039508,000181: 36,2621 52054 BZE GOTO
039509,000182: 36,2622 74624 RTE367
039510,000183: 36,2623 64272 RTEALRM
039511,000184: 36,2624 77775 RTE367 VLOAD
039512,000185: 36,2625 03640 R(T1)/
039513,000186: 36,2626 16657 STODL RVEC
039514,000187: 36,2627 03636 RCON
039515,000188: 36,2630 26760 STOVL RDESIRED
039516,000189: 36,2631 03700 V2(T1)/
039517,000190: 36,2632 36746 STCALL VVEC
039518,000191: 36,2633 64304 TMRAD100
039519,000192: 36,2634 77615 DAD
039520,000193: 36,2635 03716 T1
039521,000194: 36,2636 17552 STODL T2
039522,000195: 36,2637 03634 RTEGAM2D
039523,000196: 36,2640 52054 BZE GOTO
039524,000197: 36,2641 74643 RTE369
039525,000198: 36,2642 74665 RTE372
039526,000199: 36,2643 51575 RTE369 VLOAD ABVAL
039527,000200: 36,2644 03710 V(T2)/
039528,000201: 36,2645 77776 EXIT
039529,000202: 36,2646 07171 TC POLY
039530,000203: 36,2647 00002 DEC 2 B-14
039531,000204: 36,2650 00000 00000 2DEC 0 B-28
039532,000205: 36,2652 47021 65002 2DEC -4.8760771 E-2 B4
039533,000206: 36,2654 35610 07722 2DEC 4.5419476 E-4 B11
039534,000207: 36,2656 63772 63276 2DEC -1.4317675 E-6 B18
039535,000208: 36,2660 06006 TC INTPRET
039536,000209: 36,2661 77615 DAD
039537,000210: 36,2662 01343 RTED1
039538,000211: 36,2663 52052 SL3 GOTO # X(T2),=D1+D2V2+D3V2**2+D4V2**3
039539,000212: 36,2664 74667 RTE373
039540,000213: 36,2665 77745 RTE372 DLOAD # X(T2),=X(T2)
039541,000214: 36,2666 03726 X(T2)
039542,000215: 36,2667 41425 RTE373 DSU PUSH # X(T2)ERR B0 PL02D
039543,000216: 36,2670 03726 X(T2)
039544,000217: 36,2671 53575 VLOAD UNIT
039545,000218: # # Page 901
039546,000219: 36,2672 03656 R(T2)/ # B58
039547,000220: 36,2673 36152 STCALL ALPHAV
039548,000221: 36,2674 26570 GETERAD
039549,000222: 36,2675 77615 DAD
039550,000223: 36,2676 33676 E3RTE
039551,000224: 36,2677 45206 PUSH DSU # RCON,=(E1/1+E2BETA11)**.5)+E3 B29 PL04D
039552,000225: 36,2700 03636 RCON
039553,000226: 36,2701 45246 ABS DSU
039554,000227: 36,2702 33646 EPC2RTE
039555,000228: 36,2703 52040 BMN GOTO
039556,000229: 36,2704 74706 RTE374
039557,000230: 36,2705 74713 RTE375
039558,000231: 36,2706 51545 RTE374 DLOAD ABS
039559,000232: 36,2707 00001 00D
039560,000233: 36,2710 50025 DSU BMN
039561,000234: 36,2711 33650 EPC3RTE
039562,000235: 36,2712 74763 P37E
039563,000236: 36,2713 43345 RTE375 DLOAD DAD
039564,000237: 36,2714 03730 NN1A
039565,000238: 36,2715 33600 1RTEB28
039566,000239: 36,2716 67240 BMN SLOAD
039567,000240: 36,2717 74723 RTE380
039568,000241: 36,2720 33630 OCT605
039569,000242: 36,2721 77650 GOTO
039570,000243: 36,2722 64272 RTEALRM # TOO MANY ITERATIONS
039571,000244: 36,2723 03730 RTE380 STORE NN1A
039572,000245: 36,2724 53025 DSU BZE
039573,000246: 36,2725 33616 M8RTEB28
039574,000247: 36,2726 74744 RTE385
039575,000248: 36,2727 45345 DLOAD DSU
039576,000249: 36,2730 00001 00D
039577,000250: 36,2731 03666 DRCON
039578,000251: 36,2732 65301 NORM PDDL # X(T2)ERR-X(T2)ERR,=Z1 PL06D
039579,000252: 36,2733 00047 X1
039580,000253: 36,2734 03670 RPRE,
039581,000254: 36,2735 56225 DSU DDV # X(T2)PRI-X(T2)=Z2 PL04D
039582,000255: 36,2736 03726 X(T2)
039583,000256: 36,2737 53605 DMP SL* # DX(T2)=X(T2)ERR(Z2/Z1)
039584,000257: 36,2740 00001 00D
039585,000258: 36,2741 20201 0,1
039586,000259: 36,2742 77650 GOTO
039587,000260: 36,2743 74746 RTE390
039588,000261: 36,2744 77745 RTE385 DLOAD # DX(T2)=X(T2)ERR
039589,000262: 36,2745 00001 00D
039590,000263: 36,2746 14021 RTE390 STODL 16D # DX(T2) PL02D
039591,000264: 36,2747 77626 STADR
039592,000265: 36,2750 60141 STODL RCON # RCON=RCON,
039593,000266: 36,2751 77600 BOV
039594,000267: 36,2752 74617 RTE360
039595,000268: 36,2753 17666 STODL DRCON # X(T2)ERR,=X(T2)ERR
039596,000269: # # Page 902
039597,000270: 36,2754 03726 X(T2)
039598,000271: 36,2755 17670 STODL RPRE, # X(T2)PRI=X(T2)
039599,000272: 36,2756 00021 16D
039600,000273: 36,2757 77615 DAD
039601,000274: 36,2760 03726 X(T2)
039602,000275: 36,2761 37726 STCALL X(T2) # X(T2)=X(T2)+DX(T2)
039603,000276: 36,2762 74617 RTE360 # REITERATE
039604,000277: 36,2763 77624 P37E CALL # DISPLAY CONIC SOLUTION
039605,000278: 36,2764 75007 RTEVN
039606,000279: 36,2765 41345 RTE505 DLOAD DMP
039607,000280: 36,2766 03720 PCON
039608,000281: 36,2767 03744 BETA1
039609,000282: 36,2770 53021 BDSU BZE
039610,000283: 36,2771 03636 RCON
039611,000284: 36,2772 75000 RTE510
039612,000285: 36,2773 71240 BMN DLOAD
039613,000286: 36,2774 75000 RTE510
039614,000287: 36,2775 15326 1RTEB2
039615,000288: 36,2776 77650 GOTO # ENTRY NEAR APOGEE
039616,000289: 36,2777 75002 RTE515
039617,000290: 36,3000 57545 RTE510 DLOAD DCOMP # ENTRY NEAR PERIGEE
039618,000291: 36,3001 15326 1RTEB2
039619,000292: 36,3002 37751 RTE515 STCALL PHI2
039620,000293: 36,3003 64546 PREC100 # PRECISION TRAJECTORY COMPUTATION
039621,000294: 36,3004 52054 RTE625 BZE GOTO
039622,000295: 36,3005 75035 P37G
039623,000296: 36,3006 64272 RTEALRM
039624,000297:
039625,000298: # RETURN TO EARTH DISPLAY SUBROUTINE
039626,000299:
039627,000300: 36,3007 45020 RTEVN STQ CALL
039628,000301: 36,3010 03753 VNSTORE
039629,000302: 36,3011 64323 RTEDISP # DISPLAY PREPARATION
039630,000303: 36,3012 77776 EXIT
039631,000304: 36,3013 35034 CAF V6N61RTE # LATITUDE,LONGITUDE,BLANK
039632,000305: 36,3014 03232 TCR P370GOFR # IN LAT(SPL),LNG(SPL),-
039633,000306: 36,3015 34766 CAF FOUR
039634,000307: 36,3016 03226 TCR 37BLANK +1
039635,000308: 36,3017 13024 TCF +5
039636,000309: 36,3020 12476 TCF P37 # RECYCLE
039637,000310: 36,3021 33257 CAF V6N39RTE # T21 HRS,MIN,SEC IN T3TOT4
039638,000311: 36,3022 03246 TCR P370GOF
039639,000312: 36,3023 12476 TCF P37 # RECYCLE
039640,000313: 36,3024 35033 CAF V6N60RTE # DISPLAY BLANK,V(T2),FPA2
039641,000314: 36,3025 03222 TCR P37GFRB1 # IN -,VPRED,GAMMAEI
039642,000315: 36,3026 12476 TCF P37 # RECYCLE
039643,000316: 36,3027 34535 CAF V6N81RTE # DISPLAY DELTA V (LV) IN DELVLVC
039644,000317: 36,3030 03246 TCR P370GOF
039645,000318: 36,3031 12476 TCF P37 # RECYCLE
039646,000319: 36,3032 06006 TCR INTPRET
039647,000320: # # Page 903
039648,000321: 36,3033 77650 GOTO
039649,000322: 36,3034 03753 VNSTORE
039650,000323:
039651,000324: # PRECISION DISPLAY, TARGETING COMPUTATION AND RTE END PROCESSING
039652,000325:
039653,000326: 36,3035 77624 P37G CALL
039654,000327: 36,3036 75007 RTEVN
039655,000328: 36,3037 77776 EXIT
039656,000329: 36,3040 34774 P37N CAF SEVEN
039657,000330: 36,3041 54775 TS OPTION1
039658,000331: 36,3042 34770 CAF ONE
039659,000332: 36,3043 54776 TS OPTION2
039660,000333: 36,3044 34537 CAF V4N06RTE # DISPLAY RCS OR SPS OPTION SPS ASSUMED
039661,000334: 36,3045 03246 TCR P370GOF
039662,000335: 36,3046 13044 TCF -2 # RECYCLE
039663,000336: 36,3047 06006 TC INTPRET # PROCEED
039664,000337: 36,3050 67201 SETPD SLOAD
039665,000338: 36,3051 00001 00D
039666,000339: 36,3052 00777 OPTION2
039667,000340: 36,3053 53025 DSU BZE
039668,000341: 36,3054 33572 1RTEB13
039669,000342: 36,3055 75064 P37Q
039670,000343: 36,3056 60335 SLOAD NORM # SPS
039671,000344: 36,3057 01351 EMDOT
039672,000345: 36,3060 00047 X1
039673,000346: 36,3061 52125 PDDL GOTO
039674,000347: 36,3062 33622 VCSPS
039675,000348: 36,3063 75075 P37T
039676,000349: 36,3064 43145 P37Q DLOAD BON # RCS
039677,000350: 36,3065 33626 MDOTRCS
039678,000351: 36,3066 00700 NJETSFLG
039679,000352: 36,3067 75071 P37R
039680,000353: 36,3070 77752 SL1
039681,000354: 36,3071 77752 P37R SL1
039682,000355: 36,3072 65301 NORM PDDL
039683,000356: 36,3073 00047 X1
039684,000357: 36,3074 33624 VCRCS
039685,000358: 36,3075 56325 P37T PDDL DDV # DV/VC B7 -B5 = B2 PL02D
039686,000359: 36,3076 03706 DV
039687,000360: 36,3077 77776 EXIT
039688,000361: 36,3100 07171 TC POLY
039689,000362: 36,3101 00001 DEC 1 B-14
039690,000363: 36,3102 00001 05070 2DEC 5.66240507 E-4 B-3
039691,000364: 36,3104 17527 36700 2DEC 9.79487897 E-1 B-1
039692,000365: 36,3106 47114 70670 2DEC -.388281955 B1
039693,000366: 36,3110 06006 TC INTPRET
039694,000367: 36,3111 67206 PUSH SLOAD # (1-E)**(-DV/VC)=A B3 PL04D
039695,000368: # # Page 904
039696,000369: 36,3112 03076 WEIGHT/G
039697,000370: 36,3113 56205 DMP DDV # DTB=(M0/MDOT)A B16+B3-B3=B16 PL00D
039698,000371: 36,3114 41257 SL* DMP
039699,000372: 36,3115 20165 0 -12D,1
039700,000373: 36,3116 15334 CSUBT
039701,000374: 36,3117 77621 BDSU
039702,000375: 36,3120 03716 T1
039703,000376: 36,3121 03413 STORE TIG # TIG=T1-CT*DTB B28
039704,000377: 36,3122 77776 EXIT
039705,000378: 36,3123 35026 CAF V6N33RTE # DISPLAY BIASED TIG
039706,000379: 36,3124 03246 TCR P370GOF
039707,000380: 36,3125 13123 TCF -2
039708,000381: 36,3126 34772 CAF ZERO
039709,000382: 36,3127 54771 TS VHFCNT
039710,000383: 36,3130 54772 TS TRKMKCNT
039711,000384: 36,3131 06006 TC INTPRET
039712,000385: 36,3132 77624 CALL # CONICALLY INTEGRATE FROM R1,V1 OVER T12
039713,000386: 36,3133 63624 RTENCK1
039714,000387: 36,3134 53575 VLOAD UNIT # PL00D
039715,000388: 36,3135 03656 R(T2)/
039716,000389: 36,3136 74315 PDVL VXSC # UR2 B1 PL06D
039717,000390: 36,3137 03554 UR1/
039718,000391: 36,3140 33632 MCOS7.5
039719,000392: 36,3141 74315 PDVL VXSC # -UR1(COS7.5) B1 PL12D
039720,000393: 36,3142 03562 UH/
039721,000394: 36,3143 33634 MSIN7.5
039722,000395: 36,3144 50255 VAD DOT # K/=-UR1(COS7.5)-UH(SIN7.5) B2 PL00D
039723,000396: 36,3145 50015 DAD BMN
039724,000397: 36,3146 33636 MCOS22.5
039725,000398: 36,3147 75174 P37W
039726,000399: 36,3150 50375 VLOAD DOT # K/ . UR2 GR COS22.5
039727,000400: 36,3151 03562 UH/
039728,000401: 36,3152 03656 R(T2)/
039729,000402: 36,3153 71240 BMN DLOAD
039730,000403: 36,3154 75160 P37U
039731,000404: 36,3155 33640 THETA165
039732,000405: 36,3156 52006 PUSH GOTO
039733,000406: 36,3157 75162 P37V
039734,000407: 36,3160 41545 P37U DLOAD PUSH
039735,000408: 36,3161 33642 THETA210
039736,000409: 36,3162 77756 P37V SIN
039737,000410: 36,3163 16732 STODL SNTH
039738,000411: 36,3164 43146 COS CLEAR
039739,000412: 36,3165 03666 RVSW
039740,000413: 36,3166 26734 STOVL CSTH
039741,000414: 36,3167 03640 R(T1)/
039742,000415: 36,3170 26657 STOVL RVEC
039743,000416: 36,3171 03700 V2(T1)/
039744,000417: 36,3172 36746 STCALL VVEC
039745,000418: 36,3173 25002 TIMETHET
039746,000419: # # Page 905
039747,000420: 36,3174 43014 P37W CLEAR CLEAR
039748,000421: 36,3175 01267 XDELVFLG
039749,000422: 36,3176 03665 NORMSW
039750,000423: 36,3177 77214 SET VLOAD
039751,000424: 36,3200 01071 FINALFLG
039752,000425: 36,3201 77626 STADR
039753,000426: 36,3202 60362 STODL RTARG
039754,000427: 36,3203 00037 T
039755,000428: 36,3204 77615 DAD
039756,000429: 36,3205 03716 T1
039757,000430: 36,3206 27656 STOVL TPASS4
039758,000431: 36,3207 03700 V2(T1)/
039759,000432: 36,3210 77451 VSU EXIT
039760,000433: 36,3211 03672 V(T1)/
039761,000434: 36,3212 34756 CAF EBANK4
039762,000435: 36,3213 54003 TS EBANK
039763,000436: 36,3214 06006 TC INTPRET
039764,000437: 36,3215 03646 STORE DELVSIN
039765,000438: 36,3216 77624 P37WW CALL
039766,000439: 36,3217 73027 VN1645
039767,000440: 36,3220 77650 GOTO
039768,000441: 36,3221 75216 P37WW
039769,000442:
039770,000443: # SUBROUTINE TO GO TO GOFLASHR AND BLANK R1
039771,000444:
039772,000445: 36,3222 00006 P37GFRB1 EXTEND
039773,000446: 36,3223 23752 QXCH SPRTEX
039774,000447: 36,3224 03232 TCR P370GOFR
039775,000448: 36,3225 34770 37BLANK CAF ONE
039776,000449: 36,3226 05516 +1 TCR BLANKET
039777,000450: 36,3227 15205 TCF ENDOFJOB
039778,000451: 36,3230 01752 TC SPRTEX # RECYCLE
039779,000452: 36,3231 13255 TCF P37PROC # PROCEED
039780,000453:
039781,000454: # SUBROUTINE TO GO TO GOFLASHR
039782,000455:
039783,000456: 36,3232 00006 P370GOFR EXTEND
039784,000457: 36,3233 23547 QXCH RTENCKEX
039785,000458: 36,3234 04636 TCR BANKCALL
039786,000459: 36,3235 21101 CADR GOFLASHR
039787,000460: 36,3236 14103 TCF GOTOPOOH # TERMINATE
039788,000461: 36,3237 13242 TCF +3
039789,000462: 36,3240 13244 TCF +4
039790,000463: 36,3241 01547 TC RTENCKEX # IMMEDIATE RETURN
039791,000464: 36,3242 51547 INDEX RTENCKEX # PROCEED
039792,000465: 36,3243 10004 TCF 0 +4
039793,000466: 36,3244 51547 INDEX RTENCKEX # RECYCLE
039794,000467: 36,3245 10003 TCF 0 +3
039795,000468:
039796,000469: # SUBROUTINE TO GO TO GOFLASH
039797,000470:
039798,000471: # # Page 906
039799,000472: 36,3246 00006 P370GOF EXTEND
039800,000473: 36,3247 23752 QXCH SPRTEX
039801,000474: 36,3250 04636 TCR BANKCALL
039802,000475: 36,3251 20743 CADR GOFLASH
039803,000476: 36,3252 14103 TCF GOTOPOOH
039804,000477: 36,3253 13255 TCF +2
039805,000478: 36,3254 01752 TC SPRTEX
039806,000479: 36,3255 51752 P37PROC INDEX SPRTEX
039807,000480: 36,3256 10001 TCF 0 +1
039808,000481: 36,3257 5026 V6N33RTE = V06N33
039809,000482: 36,3257 4537 V4N06RTE = V04N06
039810,000483: 36,3257 5034 V6N61RTE = V06N61
039811,000484: 36,3257 01447 V6N39RTE VN 0639
039812,000485: 36,3260 5033 V6N60RTE = V06N60
039813,000486: 36,3260 4535 V6N81RTE = V06N81
039814,000487: 32,2000 SETLOC RTE
039815,000488: 32,2000 BANK
039816,000489: 32,2272 COUNT* $$/P37
039817,000490: # # Page 907
039818,000491: # ALARM DISPLAY SUBROUTINE
039819,000492: 32,2272 77776 RTEALRM EXIT
039820,000493: 32,2273 30154 CA MPAC
039821,000494: 32,2274 05770 TC VARALARM
039822,000495: 32,2275 35023 CAF V5N09RTE
039823,000496: 32,2276 04636 TC BANKCALL
039824,000497: 32,2277 20743 CADR GOFLASH
039825,000498: 32,2300 14103 TCF GOTOPOOH
039826,000499: 32,2301 12275 TCF -4
039827,000500: 32,2302 04655 TC POSTJUMP
039828,000501: 32,2303 74476 CADR P37
039829,000502: 32,2304 5023 V5N09RTE = V05N09
039830,000503:
039831,000504: # # Page 908
039832,000505: # TIME RADIUS CALLING SUBROUTINE
039833,000506:
039834,000507: # INPUT
039835,000508: # RVEC INITIAL POSITION VECTOR VECTOR B29 METERS
039836,000509: # VVEC INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
039837,000510: # RDESIRED FINAL RADIUS FOR WHICH TRANSFER TIME IS TO BE COMPUTED DP B29 METERS
039838,000511: # CONICX1 X1 SETTING FOR CONIC SUBROUTINES -2 = EARTH SP B14
039839,000512: # OUTPUT
039840,000513: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
039841,000514: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
039842,000515: # T12 TRANSFER TIME TO FINAL RADIUS DP B28 CS
039843,000516:
039844,000517: 32,2304 43020 TMRAD100 STQ CLEAR
039845,000518: 32,2305 03547 RTENCKEX
039846,000519: 32,2306 03666 RVSW
039847,000520: 32,2307 67164 AXC,2 SXA,2
039848,000521: 32,2310 20000 OCT 20000
039849,000522: 32,2311 02756 SGNRDOT
039850,000523: 32,2312 45140 LXC,1 CALL
039851,000524: 32,2313 03550 CONICX1
039852,000525: 32,2314 25607 TIMERAD
039853,000526: 32,2315 27710 STOVL V(T2)/ # PL00D
039854,000527: 32,2316 77626 STADR
039855,000528: 32,2317 60121 STODL R(T2)/
039856,000529: 32,2320 00037 T
039857,000530: 32,2321 37724 STCALL T12
039858,000531: 32,2322 03547 RTENCKEX
039859,000532:
039860,000533: # # Page 909
039861,000534: # DISPLAY CALCULATION SUBROUTINE
039862,000535:
039863,000536: # DESCRIPTION
039864,000537: # OUTPUT FOR DISPLAY IS CONVERTED TO PROPER UNITS AND PLACED IN OUTPUT STORAGE REGISTERS. LANDING SITE
039865,000538: # COMPUTATION FOR DETERMINING LANDING SITE LATITUDE AND LONGITUDE IS INCLUDED IN THE ROUTINE.
039866,000539:
039867,000540: # CALLING SEQUENCE
039868,000541: # L CALL
039869,000542: # L+1 RTEDISP
039870,000543:
039871,000544: # SUBROUTINES CALLED
039872,000545: # TMRAD100
039873,000546: # AUGEKUGL
039874,000547: # LAT-LONG
039875,000548:
039876,000549: # ERASABLE INITIALIZATION REQUIRED
039877,000550: # PUSHLIST
039878,000551: # NONE
039879,000552: # MPAC
039880,000553: # NONE
039881,000554: # OTHER
039882,000555: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
039883,000556: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
039884,000557: # T2 FINAL TIME DP B28 CS
039885,000558: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
039886,000559: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
039887,000560: # UR1/ UNIT INITIAL VECTOR VECTOR B1
039888,000561: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
039889,000562:
039890,000563: # OUTPUT
039891,000564: # VPRED VELOCITY MAGNITUDE AT 400,000 FT. ENTRY ALTITUDE DP B7 METERS/CS
039892,000565: # T3TOT4 TRANSIT TIME TO 400,000 FT. ENTRY ALTITUDE DP B28 CS
039893,000566: # GAMMAEI FLIGHT PATH ANGLE AT 400,000 FT. ENTRY ALTITUDE DP B0 REVS + ABOVE HORIZ
039894,000567: # DELVLVC INITIAL VELOCITY CHANGE VECTOR IN LOCAL VERTICAL COORD. VECTOR B7 METERS/CS
039895,000568: # LAT(SPL) LATITUDE OF THE LANDING SITE DP B0 REVS
039896,000569: # LNG(SPL) LONGITUDE OF THE LANDING SITE DP B0 REVS
039897,000570:
039898,000571: 32,2323 77220 RTEDISP STQ VLOAD # DISPLAY
039899,000572: 32,2324 03752 SPRTEX
039900,000573: 32,2325 03710 V(T2)/
039901,000574: 32,2326 65256 UNIT PDDL
039902,000575: 32,2327 00045 36D
039903,000576: 32,2330 17757 STODL VPRED # V(T2)
039904,000577: 32,2331 03552 T2
039905,000578: 32,2332 77625 DSU
039906,000579: 32,2333 03413 SPRTETIG
039907,000580: 32,2334 26641 STOVL T3TOT4 # T21
039908,000581: 32,2335 03656 R(T2)/
039909,000582: 32,2336 50256 UNIT DOT
039910,000583: 32,2337 77752 SL1
039911,000584: # # Page 910
039912,000585: 32,2340 44326 ARCCOS BDSU
039913,000586: 32,2341 15326 1RTEB2
039914,000587: 32,2342 27761 STOVL GAMMAEI # FLIGHT PATH ANGLE T2
039915,000588: 32,2343 03700 V2(T1)/
039916,000589: 32,2344 41451 VSU PUSH
039917,000590: 32,2345 03672 V(T1)/
039918,000591: 32,2346 57441 DOT DCOMP
039919,000592: 32,2347 03554 UR1/
039920,000593: 32,2350 41515 PDVL PUSH
039921,000594: 32,2351 63345 DLOAD PDVL
039922,000595: 32,2352 15330 ZERORTE
039923,000596: 32,2353 55441 DOT VDEF
039924,000597: 32,2354 03562 UH/
039925,000598: 32,2355 77772 VSL1
039926,000599: 32,2356 17405 STODL DELVLVC
039927,000600: 32,2357 03405 DELVLVC
039928,000601: 32,2360 57414 BOFF DCOMP
039929,000602: 32,2361 02741 RETROFLG
039930,000603: 32,2362 64364 RTD18
039931,000604: 32,2363 03405 STORE DELVLVC # NEGATE X COMPONENT, RETROGRADE
039932,000605: 32,2364 51575 RTD18 VLOAD ABVAL
039933,000606: 32,2365 03405 DELVLVC
039934,000607: 32,2366 27763 STOVL VGDISP
039935,000608: 32,2367 03656 R(T2)/
039936,000609: 32,2370 02657 STORE RVEC # ***** LANDING SITE COMPUTATION *****
039937,000610: 32,2371 45246 ABVAL DSU
039938,000611: 32,2372 33620 30480RTE
039939,000612: 32,2373 26760 STOVL RDESIRED
039940,000613: 32,2374 03710 V(T2)/
039941,000614: 32,2375 36746 STCALL VVEC
039942,000615: 32,2376 64304 TMRAD100 # R3,V3,T23 FROM TIMERAD
039943,000616: 32,2377 53575 VLOAD UNIT
039944,000617: 32,2400 03656 R(T2)/
039945,000618: 32,2401 53515 PDVL UNIT # UR3 PL06D
039946,000619: 32,2402 03710 V(T2)/
039947,000620: 32,2403 72441 DOT SL1 # GAMMAE=ARCSIN(UR3 . UV3) PL00D
039948,000621: 32,2404 65336 ARCSIN PDDL # V(T3) PL02D
039949,000622: 32,2405 00045 36D
039950,000623: 32,2406 51525 PDDL ABS
039951,000624: 32,2407 45006 PUSH CALL # /GAMMAE/ PL04D
039952,000625: 32,2410 64105 AUGEKUGL # PHIE PL06D
039953,000626: 32,2411 43215 DAD DAD
039954,000627: 32,2412 03724 T12 # T23
039955,000628: 32,2413 03552 T2
039956,000629: 32,2414 00003 STORE 02D # T(LS)=T2&T23&TE
039957,000630: 32,2415 53135 SLOAD BZE
039958,000631: 32,2416 03013 P37RANGE
039959,000632: 32,2417 64421 RTD22
039960,000633: 32,2420 00005 STORE 04D # OVERRIDE RANGE (PCR 261)
039961,000634: 32,2421 73545 RTD22 DLOAD SIN
039962,000635: # # Page 911
039963,000636: 32,2422 00005 04D
039964,000637: 32,2423 17403 STODL LNG(SPL) # LNG(SPL)=SIN(PHIE) PL04D
039965,000638: 32,2424 77746 COS
039966,000639: 32,2425 03401 STORE LAT(SPL) # LAT(SPL)=COS(PHIE)
039967,000640: 32,2426 53575 VLOAD UNIT
039968,000641: 32,2427 03656 R(T2)/
039969,000642: 32,2430 41406 PUSH PUSH
039970,000643: 32,2431 53515 PDVL UNIT # PL22D
039971,000644: 32,2432 03710 V(T2)/
039972,000645: 32,2433 47315 PDVL VXV
039973,000646: 32,2434 53435 VXV UNIT # UH3=UNIT(UR3 X UV3 X UR3) PL10D
039974,000647: 32,2435 63361 VXSC PDVL
039975,000648: 32,2436 03403 LNG(SPL)
039976,000649: 32,2437 53361 VXSC VAD # PL04D
039977,000650: 32,2440 03401 LAT(SPL)
039978,000651: 32,2441 43014 CLEAR CLEAR # T(LS) IN MPAC
039979,000652: 32,2442 00662 ERADFLAG
039980,000653: 32,2443 01663 LUNAFLAG
039981,000654: 32,2444 16152 STODL ALPHAV # ALPHAV=UR3(COSPHIE)+UH3(SINPHIE) PL02D
039982,000655: 32,2445 77624 CALL
039983,000656: 32,2446 26453 LAT-LONG
039984,000657: 32,2447 77745 DLOAD
039985,000658: 32,2450 00747 LAT
039986,000659: 32,2451 17401 STODL LAT(SPL) # LATITUDE LANDING SITE *****
039987,000660: 32,2452 00751 LONG
039988,000661: 32,2453 37403 STCALL LNG(SPL) # LONGITUDE LANDING SITE *****
039989,000662: 32,2454 03752 SPRTEX
039990,000663: # # Page 912
039991,000664: # INITIAL VECTOR SUBROUTINE
039992,000665:
039993,000666: # DESCRIPTION
039994,000667: # A PRECISION INTEGRATION OF THE STATE VECTOR TO THE TIME OF IGNITION IS PERFORMED. PRECOMPUTATIONS OCCUR.
039995,000668:
039996,000669: # CALLING SEQUENCE
039997,000670: # L CALL
039998,000671: # L+1 INVC100
039999,000672:
040000,000673: # NORMAL EXIT MODE
040001,000674: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040002,000675:
040003,000676: # ALARM EXIT MODE
040004,000677: # AT L+2 OF CALLING SEQUENCE WITH MPAC = OCTAL 612 FOR STATE VECTOR IN MOONS SPHERE OF INFLUENCE
040005,000678:
040006,000679: # SUBROUTINES CALLED
040007,000680: # CSMPREC
040008,000681:
040009,000682: # ERASABLE INITIALIZATION REQUIRED
040010,000683: # PUSHLIST
040011,000684: # NONE
040012,000685: # MPAC
040013,000686: # NONE
040014,000687: # OTHER
040015,000688: # SPRTETIG TIME OF IGNITION DP B28 CS
040016,000689: # CSM STATE VECTOR
040017,000690:
040018,000691: # OUTPUT
040019,000692: # R(T1)/ INITIAL POSITION VECTOR AT TIG VECTOR B29 METERS
040020,000693: # V(T1)/ INITIAL VELOCITY VECTOR AT TIG VECTOR B7 METERS/CS
040021,000694: # T1 INITIAL VECTOR TIME (TIG) DP B28 CS
040022,000695: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040023,000696: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040024,000697: # CFPA COSINE OF INITIAL FLIGHT PATH ANGLE DP B1
040025,000698:
040026,000699: 32,2455 71220 INVC100 STQ DLOAD
040027,000700: 32,2456 03752 SPRTEX
040028,000701: 32,2457 03413 SPRTETIG
040029,000702: 32,2460 34041 STCALL TDEC1
040030,000703: 32,2461 27145 CSMPREC # PRECISION INTEGRATION R0,V0 TO R1,V1
040031,000704: 32,2462 67175 VLOAD SXA,2
040032,000705: 32,2463 00001 RATT
040033,000706: 32,2464 03745 P(T1)
040034,000707: 32,2465 27640 STOVL R(T1)/
040035,000708: 32,2466 00007 VATT
040036,000709: 32,2467 17672 STODL V(T1)/
040037,000710: 32,2470 00015 TAT
040038,000711: 32,2471 03716 STORE T1
040039,000712: 32,2472 53135 SLOAD BZE
040040,000713: 32,2473 03746 P(T1)
040041,000714: # # Page 913
040042,000715: 32,2474 64500 INVC109
040043,000716: 32,2475 52135 INVC107 SLOAD GOTO
040044,000717: 32,2476 33631 OCT612
040045,000718: 32,2477 64272 RTEALRM # R1,V1 NOT IN PROPER SPHERE OF INFLUENCE
040046,000719: 32,2500 53575 INVC109 VLOAD UNIT
040047,000720: 32,2501 03640 R(T1)/
040048,000721: 32,2502 17554 STODL UR1/ # UR1/ B1
040049,000722: 32,2503 00045 36D
040050,000723: 32,2504 27646 STOVL R(T1) # R(T1) B29
040051,000724: 32,2505 03672 V(T1)/
040052,000725: 32,2506 77656 UNIT
040053,000726: 32,2507 03562 STORE UV1/
040054,000727: 32,2510 72441 DOT SL1
040055,000728: 32,2511 03554 UR1/
040056,000729: 32,2512 03747 STORE CFPA # CFPA B1
040057,000730: 32,2513 45246 ABS DSU
040058,000731: 32,2514 33644 EPC1RTE
040059,000732: 32,2515 71240 BMN DLOAD
040060,000733: 32,2516 64525 INVC115 # NOT NEAR RECTILINEAR
040061,000734: 32,2517 15326 1RTEB2
040062,000735: 32,2520 41525 PDDL PUSH
040063,000736: 32,2521 15330 ZERORTE
040064,000737: 32,2522 41466 VDEF PUSH # N/ = (0,0,1)
040065,000738: 32,2523 77650 GOTO
040066,000739: 32,2524 64531 INVC120
040067,000740: 32,2525 47375 INVC115 VLOAD VXV
040068,000741: 32,2526 03554 UR1/
040069,000742: 32,2527 03562 UV1/
040070,000743: 32,2530 77606 PUSH # N/ = UR X UV B2
040071,000744: 32,2531 71214 INVC120 CLEAR DLOAD
040072,000745: 32,2532 02661 RETROFLG
040073,000746: 32,2533 51006 PUSH BPL
040074,000747: 32,2534 64540 INVC125
040075,000748: 32,2535 57575 VLOAD VCOMP # RETROGRADE ORBIT
040076,000749: 32,2536 43006 PUSH SET
040077,000750: 32,2537 02461 RETROFLG
040078,000751: 32,2540 77775 INVC125 VLOAD
040079,000752: 32,2541 53435 VXV UNIT
040080,000753: 32,2542 03554 UR1/
040081,000754: 32,2543 03562 STORE UH/ # UH/ B1
040082,000755: 32,2544 77650 GOTO
040083,000756: 32,2545 03752 SPRTEX
040084,000757:
040085,000758: # # Page 914
040086,000759: # PRECISION TRAJECTORY COMPUTATION SUBROUTINE
040087,000760:
040088,000761: # DESCRIPTION
040089,000762: # A NUMERICALLY INTEGRATED TRAJECTORY IS GENERATED WHICH FOR THE RETURN TO EARTH PROBLEM SATISFIES THE REENTRY
040090,000763: # CONSTRAINTS (RCON AND X(T2)) ACHIEVED BY THE INITIAL CONIC TRAJECTORY AND MEETS THE DVD REQUIREMENT AS CLOSELY
040091,000764: # AS POSSIBLE.
040092,000765:
040093,000766: # CALLING SEQUENCE
040094,000767: # L CALL
040095,000768: # L+1 PREC100
040096,000769:
040097,000770: # NORMAL EXIT MODE
040098,000771: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040099,000772:
040100,000773: # ALARM EXIT MODE
040101,000774: # AT L+2 OF CALLING SEQUENCE WITH MPAC =
040102,000775: # OCTAL 605 FOR EXCESS ITERATIONS
040103,000776: # OCTAL 613 FOR REENTRY ANGLE OUT OF LIMITS
040104,000777:
040105,000778: # SUBROUTINES CALLED
040106,000779: # INTSTALL
040107,000780: # RTENCK2
040108,000781: # RTENCK3
040109,000782: # TIMERAD
040110,000783: # PARAM
040111,000784: # V2T100
040112,000785:
040113,000786: # ERASABLE INITIALIZATION REQUIRED
040114,000787: # PUSHLIST
040115,000788: # NONE
040116,000789: # MPAC
040117,000790: # NONE
040118,000791: # OTHER
040119,000792: # R(T1)/ INITIAL POSITION VECTOR VECTOR B29/B27 METERS
040120,000793: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040121,000794: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040122,000795: # T1 INITIAL VECTOR TIME DP B28 CS
040123,000796: # T12 INITIAL TO FINAL POSITION TIME DP B28 CS
040124,000797: # RCON CONIC FINAL RADIUS DP B29/B27 METERS
040125,000798: # R(T1) MAGNITUDE OF INITIAL POSITION VECTOR DP B29/B27 METERS
040126,000799: # X(T2) COTANGENT OF FINAL FLIGHT PATH ANGLE DP B0
040127,000800: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE DP B5
040128,000801: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
040129,000802: # MAMAX1 MAJOR AXIS LIMIT FOR LOWER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040130,000803: # MAMAX2 MAJOR AXIS LIMIT FOR UPPER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040131,000804: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040132,000805: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040133,000806: # BETA1 1+X(T2)**2 DP B1
040134,000807: # PHI2 PERIGEE OR APOGEE INDICATOR DP B2 -1 PERIGEE, +1 APOGEE
040135,000808:
040136,000809: # # Page 915
040137,000810: # OUTPUT
040138,000811: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
040139,000812: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
040140,000813: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040141,000814: # T2 FINAL TIME DP B28 CENTISECONDS
040142,000815:
040143,000816: # DEBRIS
040144,000817: # RD FINAL R DESIRED DP B29/B27 METERS
040145,000818: # R/APRE R/A DP B6
040146,000819: # P/RPRE P/R DP B4
040147,000820: # RPRE MAGNITUDE OF R(T2)/ DP B29/B27 METERS
040148,000821: # X(T2)PRE COTANGENT OF GAMMA2 DP B0
040149,000822: # DT12 CORRECTION TO FINAL TIME T2 DP B28 CENTISECONDS
040150,000823: # RCON FINAL RADIUS DP B29/B27 METERS
040151,000824: # DRCON DELTA RCON DP B29/B27 METERS
040152,000825:
040153,000826: 32,2546 71220 PREC100 STQ DLOAD
040154,000827: 32,2547 03752 SPRTEX
040155,000828: 32,2550 33606 10RTE
040156,000829: 32,2551 17730 STODL NN1A
040157,000830: 32,2552 03636 RCON
040158,000831: 32,2553 03664 STORE RD
040159,000832: 32,2554 77745 PREC120 DLOAD
040160,000833: 32,2555 15344 2RTEB1
040161,000834: 32,2556 17650 STODL DT21PR # DT21PR = POSMAX
040162,000835: 32,2557 33604 M15RTE
040163,000836: 32,2560 37546 STCALL NN2
040164,000837: 32,2561 63652 RTENCK3
040165,000838: 32,2562 77624 PREC125 CALL
040166,000839: 32,2563 37727 PARAM
040167,000840: 32,2564 77745 DLOAD
040168,000841: 32,2565 02742 P
040169,000842: 32,2566 14033 STODL P/RPRE
040170,000843: 32,2567 02744 R1A
040171,000844: 32,2570 14035 STODL R/APRE
040172,000845: 32,2571 00041 R1
040173,000846: 32,2572 14031 STODL RPRE
040174,000847: 32,2573 03770 COGA
040175,000848: 32,2574 77661 SL
040176,000849: 32,2575 20206 5
040177,000850: 32,2576 03724 STORE X(T2)PRE
040178,000851: 32,2577 43276 DCOMP DAD
040179,000852: 32,2600 03726 X(T2)
040180,000853: 32,2601 45246 ABS DSU
040181,000854: 32,2602 33652 EPC4RTE
040182,000855: 32,2603 50000 BOV BMN
040183,000856: 32,2604 64606 PREC130
040184,000857: 32,2605 64775 PREC175
040185,000858:
040186,000859: # DESIRED REENTRY ANGLE NOT ACHIEVED
040187,000860: # # Page 916
040188,000861: 32,2606 50145 PREC130 DLOAD BMN
040189,000862: 32,2607 03546 NN2
040190,000863: 32,2610 64614 PREC140
040191,000864: 32,2611 52135 PREC132 SLOAD GOTO # TOO MANY ITERATIONS
040192,000865: 32,2612 33630 OCT605 # EXIT WITH ALARM
040193,000866: 32,2613 65100 PRECX
040194,000867:
040195,000868: # DETERMINE RADIUS AT WHICH THE DESIRED REENTRY ANGLE WILL BE ACHIEVED
040196,000869:
040197,000870: 32,2614 53145 PREC140 DLOAD BZE
040198,000871: 32,2615 03730 NN1A
040199,000872: 32,2616 64654 PREC162
040200,000873: 32,2617 62545 PREC150 DLOAD SL2 # B2
040201,000874: 32,2620 00033 P/RPRE
040202,000875: 32,2621 72405 DMP SL1 # BETA2=BETA1*P/R B2 PL02
040203,000876: 32,2622 03744 BETA1
040204,000877: 32,2623 71206 PUSH DLOAD
040205,000878: 32,2624 00035 R/APRE
040206,000879: 32,2625 41212 SL4 DMP
040207,000880: 32,2626 00001 00D
040208,000881: 32,2627 50021 BDSU BMN # BETA3=1-BETA2*R/A
040209,000882: 32,2630 31771 1RTEB4
040210,000883: 32,2631 64644 PREC160
040211,000884: 32,2632 75512 PREC155 SL2 SQRT
040212,000885: 32,2633 44205 DMP BDSU
040213,000886: 32,2634 03751 PHI2
040214,000887: 32,2635 31767 1RTEB3
040215,000888: 32,2636 65301 NORM PDDL
040216,000889: 32,2637 00047 X1
040217,000890: 32,2640 56342 SR1 DDV # BETA4=BETA2/(1-PHI2*SQRT(BETA3))
040218,000891: 32,2641 52057 SL* GOTO # B1
040219,000892: 32,2642 20200 0 -1,1
040220,000893: 32,2643 64662 PREC165
040221,000894: 32,2644 60345 PREC160 DLOAD NORM
040222,000895: 32,2645 00035 R/APRE
040223,000896: 32,2646 00047 X1
040224,000897: 32,2647 53665 BDDV SL* # B1
040225,000898: 32,2650 15334 1RTEB1
040226,000899: 32,2651 20173 0 -6,1
040227,000900: 32,2652 77650 GOTO
040228,000901: 32,2653 64662 PREC165
040229,000902: 32,2654 60345 PREC162 DLOAD NORM
040230,000903: 32,2655 00031 RPRE
040231,000904: 32,2656 00047 X1
040232,000905: 32,2657 53665 BDDV SL* # BETA4=RD/RPRE B1
040233,000906: 32,2660 03664 RD
040234,000907: 32,2661 20200 0 -1,1
040235,000908: 32,2662 41401 PREC165 SETPD PUSH
040236,000909: 32,2663 00001 0
040237,000910: 32,2664 57425 DSU DCOMP
040238,000911: # # Page 917
040239,000912: 32,2665 15334 1RTEB1
040240,000913: 32,2666 03755 STORE BETA12
040241,000914: 32,2667 71240 BMN DLOAD
040242,000915: 32,2670 64701 PREC168
040243,000916: 32,2671 03724 X(T2)PRE
040244,000917: 32,2672 71240 BMN DLOAD
040245,000918: 32,2673 64677 PREC167
040246,000919: 32,2674 03755 BETA12
040247,000920: 32,2675 77676 DCOMP
040248,000921: 32,2676 03755 STORE BETA12
040249,000922: 32,2677 77745 PREC167 DLOAD
040250,000923: 32,2700 03755 BETA12
040251,000924: 32,2701 45246 PREC168 ABS DSU
040252,000925: 32,2702 33654 EPC6RTE
040253,000926: 32,2703 71240 BMN DLOAD
040254,000927: 32,2704 64775 PREC175
040255,000928: 32,2705 72405 DMP SL1
040256,000929: 32,2706 00031 RPRE
040257,000930: 32,2707 77606 PUSH # RF = NEW RADIUS
040258,000931: 32,2710 43345 PREC170 DLOAD DAD
040259,000932: 32,2711 03546 NN2
040260,000933: 32,2712 33600 1RTEB28
040261,000934: 32,2713 03546 STORE NN2
040262,000935: 32,2714 43175 VLOAD SET
040263,000936: 32,2715 03656 R(T2)/
040264,000937: 32,2716 03466 RVSW
040265,000938: 32,2717 26657 STOVL RVEC
040266,000939: 32,2720 03710 V(T2)/
040267,000940: 32,2721 77765 SIGN
040268,000941: 32,2722 03755 BETA12
040269,000942: 32,2723 16746 STODL VVEC
040270,000943: 32,2724 15334 1RTEB1
040271,000944: 32,2725 57565 SIGN DCOMP
040272,000945: 32,2726 03755 BETA12
040273,000946: 32,2727 71354 LXA,2 DLOAD
040274,000947: 32,2730 00154 MPAC
040275,000948: 32,2731 67140 LXC,1 SXA,2
040276,000949: 32,2732 03550 CONICX1
040277,000950: 32,2733 02756 SGNRDOT
040278,000951: 32,2734 36760 STCALL RDESIRED # COMPUTED DT12 (CORRECTION TO TIME OF
040279,000952: 32,2735 25607 TIMERAD # NEW RADIUS)
040280,000953: 32,2736 75345 DLOAD SIGN
040281,000954: 32,2737 00037 T
040282,000955: 32,2740 03755 BETA12
040283,000956: 32,2741 60325 PDDL NORM # DT21=(PHI4)DT21 PL02D
040284,000957: 32,2742 03650 DT21PR
040285,000958: 32,2743 00047 X1
040286,000959: 32,2744 53665 BDDV SL*
040287,000960: 32,2745 00001 00D
040288,000961: 32,2746 20176 0 -3,1
040289,000962: # # Page 918
040290,000963: 32,2747 50006 PUSH BMN # BETA13=(DT21)/(DT21PR) B3 PL04D
040291,000964: 32,2750 64755 PREC172
040292,000965: 32,2751 65345 DLOAD PDDL # BETA14=1 B0 PL04D
040293,000966: 32,2752 15344 2RTEB1
040294,000967: 32,2753 77650 GOTO
040295,000968: 32,2754 64757 PREC173
040296,000969: 32,2755 65345 PREC172 DLOAD PDDL # BETA14=.6 B0 PL04D
040297,000970: 32,2756 33610 M.6RTE
040298,000971: 32,2757 45271 PREC173 DDV DSU
040299,000972: 32,2760 00003 02D
040300,000973: 32,2761 31767 1RTEB3
040301,000974: 32,2762 71240 BMN DLOAD
040302,000975: 32,2763 64767 PREC174
040303,000976: 32,2764 77605 DMP
040304,000977: 32,2765 03650 DT21PR
040305,000978: 32,2766 00001 STORE 00D # DT21=(BETA14)DT21PR B28
040306,000979: 32,2767 41545 PREC174 DLOAD PUSH
040307,000980: 32,2770 00001 00D
040308,000981: 32,2771 37650 STCALL DT21PR
040309,000982: 32,2772 63634 RTENCK2
040310,000983: 32,2773 77650 GOTO
040311,000984: 32,2774 64562 PREC125
040312,000985: 32,2775 45345 PREC175 DLOAD DSU
040313,000986: 32,2776 00031 RPRE
040314,000987: 32,2777 03664 RD
040315,000988: 32,3000 51406 PUSH ABS # RPRE-RD = RERR
040316,000989: 32,3001 50025 DSU BMN
040317,000990: 32,3002 33656 EPC7RTE
040318,000991: 32,3003 35022 PREC220
040319,000992:
040320,000993: # DESIRED RADIUS HAS NOT BEEN ACHIEVED
040321,000994:
040322,000995: 32,3004 53145 DLOAD BZE
040323,000996: 32,3005 03730 NN1A
040324,000997: 32,3006 64611 PREC132 # TOO MANY ITERATIONS
040325,000998: 32,3007 53025 DSU BZE
040326,000999: 32,3010 33606 10RTE
040327,001000: 32,3011 65044 PREC207
040328,001001: 32,3012 45345 PREC205 DLOAD DSU # NOT FIRST PASS OF ITERATION
040329,001002: 32,3013 03670 RPRE,
040330,001003: 32,3014 00031 RPRE # RPRE,-RPRE B29/B27
040331,001004: 32,3015 55301 NORM BDDV
040332,001005: 32,3016 00050 X2
040333,001006: 32,3017 03666 DRCON
040334,001007: 32,3020 41457 SL* PUSH # DRCON/(RPRE,-RPRE)=S B2
040335,001008: 32,3021 57600 0 -2,2
040336,001009: 32,3022 40015 DAD BOV # S GR +4 OR LS -4
040337,001010: 32,3023 15334 1RTEB1
040338,001011: 32,3024 65031 PREC205M
040339,001012: 32,3025 45246 ABS DSU
040340,001013: # # Page 919
040341,001014: 32,3026 15334 1RTEB1
040342,001015: 32,3027 77640 BMN
040343,001016: 32,3030 65034 PREC206
040344,001017: 32,3031 57545 PREC205M DLOAD DCOMP # S GR 0 OR LS -4
040345,001018: 32,3032 15344 2RTEB1
040346,001019: 32,3033 77725 PDDL # S=-4 B2
040347,001020: 32,3034 41345 PREC206 DLOAD DMP
040348,001021: 32,3035 77712 SL2
040349,001022: 32,3036 03666 STORE DRCON # DRCON=S(RERR) B29
040350,001023: 32,3037 77615 DAD
040351,001024: 32,3040 03636 RCON
040352,001025: 32,3041 03636 STORE RCON # RCON+DRCON=RCON
040353,001026: 32,3042 77650 GOTO
040354,001027: 32,3043 65063 PREC210
040355,001028: 32,3044 63545 PREC207 DLOAD DSQ # FIRST PASS OF ITERATION
040356,001029: 32,3045 03664 RD
040357,001030: 32,3046 70501 NORM SR1
040358,001031: 32,3047 00047 X1
040359,001032: 32,3050 60325 PDDL NORM
040360,001033: 32,3051 00031 RPRE
040361,001034: 32,3052 00050 X2
040362,001035: 32,3053 55260 XSU,1 BDDV
040363,001036: 32,3054 00047 X2
040364,001037: 32,3055 77657 SR*
040365,001038: 32,3056 20600 0 -1,1
040366,001039: 32,3057 03636 STORE RCON # RD**2/RPRE=RCON
040367,001040: 32,3060 77625 DSU
040368,001041: 32,3061 03664 RD
040369,001042: 32,3062 03666 STORE DRCON # RCON-RD=DRCON
040370,001043: 32,3063 77745 PREC210 DLOAD # PREPARE FOR NEXT ITERATION
040371,001044: 32,3064 00031 RPRE
040372,001045: 32,3065 17670 STODL RPRE,
040373,001046: 32,3066 03730 NN1A
040374,001047: 32,3067 77625 DSU
040375,001048: 32,3070 33600 1RTEB28
040376,001049: 32,3071 37730 STCALL NN1A
040377,001050: 32,3072 65102 V2T100
040378,001051: 32,3073 52030 BHIZ GOTO
040379,001052: 32,3074 64554 PREC120
040380,001053: 32,3075 65100 PRECX
040381,001054:
040382,001055: # DESIRED RADIUS ACHIEVED
040383,001056:
040384,001057: 16,2000 SETLOC RTE2
040385,001058: 16,2000 BANK
040386,001059: 16,3022 45345 PREC220 DLOAD DSU
040387,001060: 16,3023 03726 X(T2)
040388,001061: 16,3024 03724 X(T2)PRE
040389,001062: 16,3025 45246 ABS DSU
040390,001063: # # Page 920
040391,001064: 16,3026 35035 EPC8RTE
040392,001065: 16,3027 67240 BMN SLOAD
040393,001066: 16,3030 65076 PREC225
040394,001067: 16,3031 35037 OCT613
040395,001068: 16,3032 77650 GOTO
040396,001069: 16,3033 65100 PRECX # IF REENTRY ANGLE OUT OF LIMITS
040397,001070:
040398,001071: 16,3034 00040 30447 EPC8RTE 2DEC .002
040399,001072: 16,3036 00613 OCT613 OCT 613
040400,001073:
040401,001074: # DESIRED FINAL ANGLE HAS BEEN REACHED.
040402,001075:
040403,001076: 32,2000 SETLOC RTE
040404,001077: 32,2000 BANK
040405,001078: 32,3076 COUNT* $$/P37
040406,001079: 32,3076 77745 PREC225 DLOAD
040407,001080: 32,3077 15330 ZERORTE
040408,001081: 32,3100 77650 PRECX GOTO
040409,001082: 32,3101 03752 SPRTEX
040410,001083:
040411,001084: # # Page 921
040412,001085: # INTEGRATION CALLING SUBROUTINE
040413,001086:
040414,001087: # DESCRIPTION
040415,001088: # PERFORMS CONIC AND PRECISION INTEGRATIONS USING SUBROUTINE INTEGRVS. THERE ARE THREE ENTRANCES (RTENCK1,
040416,001089: # RTENCK2 AND RTENCK3) FOR DIFFERENT SOURCES OF INPUT AND DIFFERENT OPTIONS. THERE IS A COMMON SET OF OUTPUT
040417,001090: # WHICH INCLUDES SET UP OF INPUT FOR THE PARAM SUBROUTINE
040418,001091:
040419,001092: # RTENCK1 (CONIC INTEGRATION)
040420,001093:
040421,001094: # CALLING SEQUENCE
040422,001095: # L CALL
040423,001096: # L+1 RTENCK1
040424,001097:
040425,001098: # ERASABLE INITIALIZATION REQUIRED
040426,001099: # SAME AS FOR THE RTENCK3 ENTRANCE
040427,001100:
040428,001101: # RTENCK2 (PRECISION INTEGRATION)
040429,001102:
040430,001103: # CALLING SEQUENCE
040431,001104: # L CALL
040432,001105: # L+1 RTENCK2
040433,001106:
040434,001107: # ERASABLE INITIALIZATION REQUIRED
040435,001108: # PUSHLIST
040436,001109: # PUSHLOC-2 INTEGRATION TIME DT12 (CORRECTION TO T2) DP B28 CS
040437,001110: # OTHER
040438,001111: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
040439,001112: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040440,001113: # T2 FINAL TIME DP B28 CS
040441,001114:
040442,001115: # RTENCK3 (PRECISION INTEGRATION)
040443,001116:
040444,001117: # CALLING SEQUENCE
040445,001118: # L CALL
040446,001119: # L+1 RTENCK3
040447,001120:
040448,001121: # ERASABLE INITIALIZATION REQUIRED
040449,001122: # R(T1)/ INITIAL POSITION VECTOR VECTOR B29 METERS
040450,001123: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 M/CS
040451,001124: # T1 INITIAL VECTOR TIME DP B28 CS
040452,001125: # T2 FINAL TIME DP B28 CS
040453,001126:
040454,001127: # EXIT MODE
040455,001128: # AT L+2 OF CALLING SEQUENCE
040456,001129: # SUBROUTINES CALLED
040457,001130: # INTSTALL
040458,001131: # INTEGRVS
040459,001132:
040460,001133: # OUTPUT
040461,001134: # PUSHLIST
040462,001135: # # Page 922
040463,001136: # PUSHLOC-6 FINAL POSITION VECTOR R(T2)/ VECTOR B29 METERS
040464,001137: # X1 CONICS MUTABLE ENTRY FOR EARTH (-2) SP B14
040465,001138: # MPAC
040466,001139: # FINAL VELOCITY VECTOR V(T2)/ VECTOR B7 M/CS
040467,001140: # OTHER
040468,001141: # R(T2)/ AS IN PUSHLIST
040469,001142: # V(T2)/ AS IN MPAC
040470,001143: # T2 FINAL TIME DP B28 CS
040471,001144:
040472,001145: 31,2000 SETLOC RTE3
040473,001146: 31,2000 BANK
040474,001147: 31,3624 COUNT* $$/P37
040475,001148: 31,3624 45020 RTENCK1 STQ CALL
040476,001149: 31,3625 03547 RTENCKEX
040477,001150: 31,3626 27516 INTSTALL
040478,001151: 31,3627 43175 VLOAD SET
040479,001152: 31,3630 03640 R(T1)/
040480,001153: 31,3631 01473 INTYPFLG
040481,001154: 31,3632 77650 GOTO
040482,001155: 31,3633 63660 RTENCK3B
040483,001156:
040484,001157: 31,3634 45020 RTENCK2 STQ CALL
040485,001158: 31,3635 03547 RTENCKEX
040486,001159: 31,3636 27516 INTSTALL
040487,001160: 31,3637 77214 CLEAR VLOAD
040488,001161: 31,3640 01673 INTYPFLG
040489,001162: 31,3641 03656 R(T2)/
040490,001163: 31,3642 25535 STOVL RCV
040491,001164: 31,3643 03710 V(T2)/
040492,001165: 31,3644 15543 STODL VCV
040493,001166: 31,3645 03552 T2
040494,001167: 31,3646 01517 STORE TET
040495,001168: 31,3647 77615 DAD
040496,001169: 31,3650 77650 GOTO
040497,001170: 31,3651 63666 RTENCK3D
040498,001171:
040499,001172: 31,3652 45020 RTENCK3 STQ CALL
040500,001173: 31,3653 03547 RTENCKEX
040501,001174: 31,3654 27516 INTSTALL
040502,001175: 31,3655 43175 RTENCK3A VLOAD CLEAR
040503,001176: 31,3656 03640 R(T1)/
040504,001177: 31,3657 01673 INTYPFLG
040505,001178: 31,3660 25535 RTENCK3B STOVL RCV
040506,001179: 31,3661 03700 V2(T1)/
040507,001180: 31,3662 15543 STODL VCV
040508,001181: 31,3663 03716 T1
040509,001182: 31,3664 15517 STODL TET
040510,001183: # # Page 923
040511,001184: 31,3665 03552 T2
040512,001185: 31,3666 00041 RTENCK3D STORE TDEC1
040513,001186: 31,3667 45014 CLEAR CALL
040514,001187: 31,3670 00263 MOONFLAG
040515,001188: 31,3671 27211 INTEGRVS
040516,001189: 31,3672 77775 VLOAD
040517,001190: 31,3673 00001 RATT
040518,001191: 31,3674 03656 STORE R(T2)/
040519,001192: 31,3675 70125 PDDL LXC,1
040520,001193: 31,3676 00015 TAT
040521,001194: 31,3677 03550 CONICX1
040522,001195: 31,3700 27552 STOVL T2
040523,001196: 31,3701 00007 VATT
040524,001197: 31,3702 03710 STORE V(T2)/
040525,001198: 31,3703 77650 GOTO
040526,001199: 31,3704 03547 RTENCKEX
040527,001200: 32,2000 SETLOC RTE
040528,001201: 32,2000 BANK
040529,001202: 32,3102 COUNT* $$/P37
040530,001203:
040531,001204: # # Page 924
040532,001205: # V2(T1) COMPUTATION SUBROUTINE
040533,001206:
040534,001207: # DESCRIPTION
040535,001208: # A POST IMPULSE VELOCITY VECTOR (V2(T1)) IS COMPUTED WHICH EITHER
040536,001209: # (1) MEETS THE INPUT VELOCITY CHANGE DESIRED (RTEDVD) IN A MINIMUM TIME OR
040537,001210: # (2) IF A VELOCITY CHANGE ISN'T SPECIFIED (RTEDVD = 0), A V2(T1) IS COMPUTED WHICH MINIMIZES THE IMPULSE (DV)
040538,001211: # AND CONSEQUENTLY FUEL.
040539,001212:
040540,001213: # CALLING SEQUENCE
040541,001214: # L CALL
040542,001215: # L+1 V2T100
040543,001216:
040544,001217: # NORMAL EXIT MODE
040545,001218: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040546,001219:
040547,001220: # ALARM EXIT MODE
040548,001221: # AT L+2 OF CALLING SEQUENCE WITH MPAC = OCTAL 605 FOR EXCESS ITERATIONS.
040549,001222:
040550,001223: # SUBROUTINES CALLED
040551,001224: # GAMDV10
040552,001225: # XT1LIM
040553,001226: # DVCALC
040554,001227:
040555,001228: # ERASABLE INITIALIZATION REQUIRED
040556,001229: # PUSHLIST
040557,001230: # NONE
040558,001231: # MPAC
040559,001232: # NONE
040560,001233: # OTHER
040561,001234: # R(T1) MAGNITUDE OF INITIAL POSITION VECTOR DP B29/B27 METERS
040562,001235: # RCON MAGNITUDE OF FINAL POSITION VECTOR DP B29/B27 METERS
040563,001236: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040564,001237: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
040565,001238: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040566,001239: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040567,001240: # X(T2) COTANGENT OF FINAL FLIGHT PATH ANGLE DP B0
040568,001241: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE(INPUT FOR PREC) DP B5
040569,001242: # CFPA COSINE OF INITIAL FLIGHT PATH ANGLE DP B1
040570,001243: # MAMAX1 MAJOR AXIS LIMIT FOR LOWER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040571,001244: # MAMAX2 MAJOR AXIS LIMIT FOR UPPER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040572,001245: # PHI2 REENTRY NEAR PERIGEE OR APOGEE INDICATE (RTE ONLY) DP B2 -1 PERIGEE, +1 APOGEE
040573,001246: # N1 CONIC OR PRECISION ITERATION OPERATOR DP B28 NEGATIVE CONIC, PLUS PREC
040574,001247:
040575,001248: # OUTPUT
040576,001249: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040577,001250: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
040578,001251: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE (POST IMPULSE) DP B5
040579,001252: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
040580,001253: # BETA1 1+X(T2)**2 DP B1
040581,001254:
040582,001255: # # Page 925
040583,001256: # DEBRIS
040584,001257: # PUSHLIST
040585,001258: # 00D X(T1),,=PREVIOUS PRECISION X(T1) DP B5
040586,001259: # 02D THETA1=BETA5*LAMBDA-1 TP B17
040587,001260: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
040588,001261: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
040589,001262: # 10D X(T1)MIN=LOWER BOUND ON X(T1) IN GAMDV ITERATOR DP B5
040590,001263: # 12D DX(T1)MAX=MAXIMUM DELTA X(T1) DP B5
040591,001264: # 14D X(T1)MAX=UPPER BOUND ON X(T1) IN GAMDV ITERATOR DP B5
040592,001265: # 16D DX(T1)=ITERATOR INCREMENT DP B5
040593,001266: # 31D GAMDV10 SUBROUTINE RETURN ADDRESS
040594,001267: # 32D DVCALC SUBROUTINE RETURN ADDRESS
040595,001268: # 33D V2T100 SUBROUTINE RETURN ADDRESS
040596,001269:
040597,001270: 32,3102 71220 V2T100 STQ DLOAD
040598,001271: 32,3103 00041 33D
040599,001272: 32,3104 03636 RCON
040600,001273: 32,3105 45240 BMN DSU # ABORT IF RCON NEGATIVE
040601,001274: 32,3106 65112 V2TERROR
040602,001275: 32,3107 03646 R(T1)
040603,001276: 32,3110 77640 BMN
040604,001277: 32,3111 65115 V2T101
040605,001278: 32,3112 77776 V2TERROR EXIT # OR IF LAMBDA LESS THAN ONE
040606,001279: 32,3113 05726 TC POODOO # NO SOLUTION IF LAMBDA LESS THAN 1
040607,001280: 32,3114 20610 OCT 20610 # different that comanche55...smc
040608,001281:
040609,001282: 32,3115 43001 V2T101 SETPD CLEAR
040610,001283: 32,3116 00001 0 # PL00D
040611,001284: 32,3117 00272 F2RTE
040612,001285: 32,3120 60345 DLOAD NORM
040613,001286: 32,3121 03636 RCON
040614,001287: 32,3122 00047 X1
040615,001288: 32,3123 60325 PDDL NORM
040616,001289: 32,3124 03646 R(T1)
040617,001290: 32,3125 00051 S1
040618,001291: 32,3126 00013 STORE 10D
040619,001292: 32,3127 56342 SR1 DDV # R1/RCON = LAMBDA B1
040620,001293: 32,3130 65260 XSU,1 PDDL # PL02D
040621,001294: 32,3131 00050 S1
040622,001295: 32,3132 03726 X(T2)
040623,001296: 32,3133 77716 DSQ
040624,001297: 32,3134 43342 SR1 DAD
040625,001298: 32,3135 15334 1RTEB1
040626,001299: 32,3136 03744 STORE BETA1 # 1+X(T2)**2 = BETA1 B1
040627,001300: 32,3137 77605 DMP
040628,001301: 32,3140 00001 00D
040629,001302: 32,3141 00035 STORE 28D # BETAI*LAMBDA = BETA5
040630,001303: 32,3142 53605 DMP SL*
040631,001304: 32,3143 00001 00D
040632,001305: 32,3144 20172 0 -7,1
040633,001306: # # Page 926
040634,001307: 32,3145 45257 SL* DSU
040635,001308: 32,3146 20172 0 -7,1
040636,001309: 32,3147 33574 1RTEB17
040637,001310: 32,3150 65234 RTB PDDL # BETA5*LAMBDA-1 = THETA1 B17 PL05D
040638,001311: 32,3151 45657 TPMODE
040639,001312: 32,3152 15334 1RTEB1
040640,001313: 32,3153 57457 SR* DCOMP
040641,001314: 32,3154 20601 0,1
040642,001315: 32,3155 41215 DAD DMP
040643,001316: 32,3156 00001 00D
040644,001317: 32,3157 03646 R(T1)
040645,001318: 32,3160 47057 SL* RTB
040646,001319: 32,3161 20172 0 -7D,1
040647,001320: 32,3162 45657 TPMODE
040648,001321: 32,3163 77725 PDDL # 2*R(T1)*(LAMBDA-1)=THETA2 B38/B36 PL08D
040649,001322: 32,3164 33674 RTMURTE
040650,001323: 32,3165 70501 NORM SR1
040651,001324: 32,3166 00050 X2
040652,001325: 32,3167 56264 XSU,2 DDV
040653,001326: 32,3170 00050 S1
040654,001327: 32,3171 00013 10D
040655,001328: 32,3172 65257 SR* PDDL # MU**.5/R(T1)=THETA3 B-4/B-5 PL10D
040656,001329: 32,3173 57170 6,2
040657,001330: 32,3174 03652 MAMAX1
040658,001331: 32,3175 41406 PUSH PUSH # MAMAX1=MA
040659,001332: 32,3176 77624 CALL
040660,001333: 32,3177 65741 XT1LIM
040661,001334: 32,3200 41476 DCOMP PUSH # X(T1)MIN B5 PL12D
040662,001335: 32,3201 40476 DCOMP SR4
040663,001336: 32,3202 41525 PDDL PUSH # DX(T1)MAX B5 PL14D
040664,001337: 32,3203 03654 MAMAX2
040665,001338: 32,3204 45006 PUSH CALL
040666,001339: 32,3205 65741 XT1LIM
040667,001340: 32,3206 50125 PDDL BMN # X(T1)MAX B5 PL16D
040668,001341: 32,3207 03730 NN1A
040669,001342: 32,3210 65213 V2T102
040670,001343: 32,3211 77650 GOTO
040671,001344: 32,3212 65225 V2T110
040672,001345:
040673,001346: # PROCEED HERE IF NOT PRECISION COMPUTATION
040674,001347:
040675,001348: 32,3213 77745 V2T102 DLOAD
040676,001349: 32,3214 03632 RTEDVD
040677,001350: 32,3215 52054 BZE GOTO
040678,001351: 32,3216 65220 V2T105
040679,001352: 32,3217 65321 V2T140
040680,001353: 32,3220 50145 V2T105 DLOAD BMN
040681,001354: 32,3221 03747 CFPA
040682,001355: 32,3222 65321 V2T140
040683,001356: 32,3223 77650 GOTO
040684,001357: # # Page 927
040685,001358: 32,3224 65327 V2T145
040686,001359:
040687,001360: # DURING A PRECISION TRAJECTORY ITERATION CONSTRAIN THE INDEPENDENT
040688,001361: # VARIABLE TO INSURE THAT ALL CONICS PASS THROUGH RCON ON THE SAME PASS
040689,001362: # THROUGH X(T2)
040690,001363:
040691,001364: 32,3225 47145 V2T110 DLOAD RTB
040692,001365: 32,3226 33574 1RTEB17
040693,001366: 32,3227 45657 TPMODE
040694,001367: 32,3230 65276 DCOMP PDDL # -1 B17 PL19D
040695,001368: 32,3231 15344 2RTEB1
040696,001369: 32,3232 45257 SR* DSU
040697,001370: 32,3233 20601 0,1
040698,001371: 32,3234 00001 00D
040699,001372: 32,3235 53605 DMP SL*
040700,001373: 32,3236 00035 28D
040701,001374: 32,3237 20172 0 -7,1
040702,001375: 32,3240 76257 SL* TAD
040703,001376: 32,3241 20172 0 -7,1
040704,001377: 32,3242 65234 RTB PDDL # BETA5(2-LAMBDA)-1=BETA6 B17 PL19D
040705,001378: 32,3243 45657 TPMODE
040706,001379: 32,3244 03722 X(T1)
040707,001380: 32,3245 00001 STORE 00D # X(T1),, B5
040708,001381: 32,3246 77751 TLOAD # PL16D
040709,001382: 32,3247 53040 BMN BZE
040710,001383: 32,3250 65255 V2T115
040711,001384: 32,3251 65255 V2T115
040712,001385: 32,3252 52061 SL GOTO
040713,001386: 32,3253 20210 7
040714,001387: 32,3254 65266 V2T120
040715,001388: 32,3255 50145 V2T115 DLOAD BMN
040716,001389: 32,3256 03751 PHI2
040717,001390: 32,3257 65277 V2T125
040718,001391: 32,3260 77676 DCOMP
040719,001392: 32,3261 17751 STODL PHI2
040720,001393: 32,3262 33606 10RTE
040721,001394: 32,3263 03730 STORE NN1A
040722,001395: 32,3264 77650 GOTO
040723,001396: 32,3265 65277 V2T125
040724,001397: 32,3266 47166 V2T120 SQRT RTB
040725,001398: 32,3267 45765 DPMODE
040726,001399: 32,3270 50125 PDDL BMN # BETA6**.5=X(T1)LIM B5 PL18D
040727,001400: 32,3271 03751 PHI2
040728,001401: 32,3272 65305 V2T130
040729,001402: 32,3273 45545 DLOAD STADR # PL16D
040730,001403: 32,3274 77760 STORE 14D # X(T1)LIM = X(T1)MAX
040731,001404: 32,3275 77676 DCOMP
040732,001405: 32,3276 00013 STORE 10D # -X(T1)LIM = X(T1)MIN
040733,001406: 32,3277 53145 V2T125 DLOAD BZE
040734,001407: 32,3300 03722 X(T1)
040735,001408: # # Page 928
040736,001409: 32,3301 65321 V2T140
040737,001410: 32,3302 52040 BMN GOTO
040738,001411: 32,3303 65321 V2T140
040739,001412: 32,3304 65327 V2T145
040740,001413: 32,3305 53145 V2T130 DLOAD BZE
040741,001414: 32,3306 03722 X(T1)
040742,001415: 32,3307 65316 V2T135
040743,001416: 32,3310 71240 BMN DLOAD # PL16D
040744,001417: 32,3311 65316 V2T135
040745,001418: 32,3312 77626 STADR
040746,001419: 32,3313 77764 STORE 10D # X(T1)LIM = X(T1)MIN
040747,001420: 32,3314 77650 GOTO
040748,001421: 32,3315 65327 V2T145
040749,001422: 32,3316 57545 V2T135 DLOAD DCOMP # PL16D
040750,001423: 32,3317 77626 STADR
040751,001424: 32,3320 77760 STORE 14D # -X(T1)LIM = X(T1)MAX
040752,001425: 32,3321 77745 V2T140 DLOAD
040753,001426: 32,3322 00013 10D
040754,001427: 32,3323 17722 STODL X(T1) # X(T1)MIN = X(T1)
040755,001428: 32,3324 00015 12D
040756,001429: 32,3325 52006 PUSH GOTO # DX(T1)MAX = DX(T1) PL18D
040757,001430: 32,3326 65334 V2T150
040758,001431: 32,3327 77745 V2T145 DLOAD
040759,001432: 32,3330 00017 14D
040760,001433: 32,3331 17722 STODL X(T1) # X(T1)MAX = X(T1)
040761,001434: 32,3332 00015 12D
040762,001435: 32,3333 41476 DCOMP PUSH # -DX(T1)MAX = DX(T1) PL18D
040763,001436: 32,3334 77624 V2T150 CALL # GOTO X(T1)-DV ITERATOR
040764,001437: 32,3335 65464 GAMDV10
040765,001438: 32,3336 53145 DLOAD BZE # EXIT IF MINIMUM FUEL MODE
040766,001439: 32,3337 03632 RTEDVD
040767,001440: 32,3340 65462 V2T1X
040768,001441:
040769,001442: # CONTINUE IF TIME CRITICAL MODE
040770,001443:
040771,001444: 32,3341 50025 DSU BMN
040772,001445: 32,3342 03706 DV
040773,001446: 32,3343 65346 V2T155
040774,001447: 32,3344 77650 GOTO
040775,001448: 32,3345 65401 V2T175
040776,001449: 32,3346 50145 V2T155 DLOAD BMN
040777,001450: 32,3347 03730 NN1A
040778,001451: 32,3350 65353 V2T160
040779,001452: 32,3351 77650 GOTO
040780,001453: 32,3352 65423 V2T185
040781,001454:
040782,001455: # CONIC TRAJECTORY COMPUTATION
040783,001456:
040784,001457: 32,3353 53145 V2T160 DLOAD BZE
040785,001458: 32,3354 03722 X(T1)
040786,001459: # # Page 929
040787,001460: 32,3355 65361 V2T165
040788,001461: 32,3356 52040 BMN GOTO
040789,001462: 32,3357 65361 V2T165
040790,001463: 32,3360 65460 V2T300
040791,001464: 32,3361 53145 V2T165 DLOAD BZE
040792,001465: 32,3362 03747 CFPA
040793,001466: 32,3363 65460 V2T300
040794,001467: 32,3364 71240 BMN DLOAD
040795,001468: 32,3365 65460 V2T300
040796,001469: 32,3366 00017 14D
040797,001470: 32,3367 17722 STODL X(T1) # X(T1)MAX=X(T1)
040798,001471: 32,3370 00015 12D
040799,001472: 32,3371 77676 DCOMP
040800,001473: 32,3372 34021 STCALL 16D # -DX(T1)MAX=DX(T1)
040801,001474: 32,3373 65464 GAMDV10
040802,001475: 32,3374 45345 DLOAD DSU
040803,001476: 32,3375 03632 RTEDVD
040804,001477: 32,3376 03706 DV
040805,001478: 32,3377 77640 BMN
040806,001479: 32,3400 65460 V2T300
040807,001480: 32,3401 71214 V2T175 SET DLOAD
040808,001481: 32,3402 00072 F2RTE
040809,001482: 32,3403 03722 X(T1)
040810,001483: 32,3404 77614 BOFF
040811,001484: 32,3405 02742 SLOWFLG
040812,001485: 32,3406 65413 V2T177
040813,001486: 32,3407 14013 STODL 10D # X(T1)MIN
040814,001487: 32,3410 00015 12D # DX(T1)MAX
040815,001488: 32,3411 77650 GOTO
040816,001489: 32,3412 65416 V2T179
040817,001490: 32,3413 14017 V2T177 STODL 14D
040818,001491: 32,3414 00015 12D
040819,001492: 32,3415 77676 DCOMP
040820,001493: 32,3416 34021 V2T179 STCALL 16D # DX(T1)
040821,001494: 32,3417 65464 GAMDV10
040822,001495: 32,3420 50145 DLOAD BMN
040823,001496: 32,3421 03730 NN1A
040824,001497: 32,3422 65460 V2T300
040825,001498:
040826,001499: # PREVENT A LARGE CHANGE IN INDEPENDENT VARIABLE DURING AN ITERATION FOR A
040827,001500: # PRECISION TRAJECTORY
040828,001501:
040829,001502: 32,3423 45345 V2T185 DLOAD DSU
040830,001503: 32,3424 03722 X(T1)
040831,001504: 32,3425 00001 00D
040832,001505: 32,3426 65246 ABS PDDL # /X(T1)-X(T1),,/ = BETA7
040833,001506: 32,3427 00015 12D
040834,001507: 32,3430 44352 SL1 BDSU
040835,001508: 32,3431 71240 BMN DLOAD
040836,001509: 32,3432 65460 V2T300
040837,001510: # # Page 930
040838,001511: 32,3433 00001 00D # CONTINUE IF BETA7 LARGER THAN 2DX(T1)MAX
040839,001512: 32,3434 03722 STORE X(T1) # X(T1),, = X(T1)
040840,001513: 32,3435 50025 DSU BMN
040841,001514: 32,3436 00017 14D
040842,001515: 32,3437 65445 V2T195
040843,001516: 32,3440 77745 DLOAD
040844,001517: 32,3441 00017 14D
040845,001518: 32,3442 03722 STORE X(T1) # X(T1)MAX = X(T1)
040846,001519: 32,3443 77650 GOTO
040847,001520: 32,3444 65456 V2T205
040848,001521: 32,3445 45345 V2T195 DLOAD DSU
040849,001522: 32,3446 03722 X(T1)
040850,001523: 32,3447 00013 10D
040851,001524: 32,3450 52040 BMN GOTO
040852,001525: 32,3451 65453 V2T200
040853,001526: 32,3452 65456 V2T205
040854,001527: 32,3453 77745 V2T200 DLOAD
040855,001528: 32,3454 00013 10D
040856,001529: 32,3455 03722 STORE X(T1) # X(T1)MIN = X(T1)
040857,001530: 32,3456 77624 V2T205 CALL
040858,001531: 32,3457 65665 DVCALC
040859,001532: 32,3460 77745 V2T300 DLOAD
040860,001533: 32,3461 15330 ZERORTE
040861,001534: 32,3462 77650 V2T1X GOTO
040862,001535: 32,3463 00041 33D
040863,001536:
040864,001537: # # Page 931
040865,001538: # X(T1)-DV ITERATOR SUBROUTINE
040866,001539:
040867,001540: # DESCRIPTION
040868,001541: # COMPUTES A POST IMPULSE VELOCITY VECTOR (V2(T1)) WHICH REQUIRES A MINIMUM DV.
040869,001542:
040870,001543: # CALLING SEQUENCE
040871,001544: # L CALL
040872,001545: # L+1 GAMDV10
040873,001546:
040874,001547: # NORMAL EXIT MODE
040875,001548: # AT L+2 OF CALLING SEQUENCE
040876,001549:
040877,001550: # ALARM EXIT MODE
040878,001551: # AT V2T1X WITH MPAC = OCTAL 605 FOR EXCESS ITERATIONS
040879,001552:
040880,001553: # SUBROUTINES CALLED
040881,001554: # DVCALC
040882,001555:
040883,001556: # ERASABLE INITIALIZATION REQUIRED
040884,001557: # PUSHLIST
040885,001558: # 02D THETA1=BETA5*LAMBDA-1 TP B17
040886,001559: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
040887,001560: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
040888,001561: # 10D X(T1)MIN=LOWER BOUND ON INDEPENDENT VARIABLE X(T1) DP B5
040889,001562: # 12D DX(T1)MAX=MAXIMUM DX(T1) DP B5
040890,001563: # 14D X(T1)MAX=UPPER BOUND ON INDEPENDENT VARIABLE X(T1) DP B5
040891,001564: # 16D DX(T1)=ITERATOR INCREMENT DP B5
040892,001565: # MPAC
040893,001566: # NONE
040894,001567: # OTHER
040895,001568: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040896,001569: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
040897,001570: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040898,001571: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040899,001572: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE (FROM VERTICAL) DP B5
040900,001573: # F2RTE TIME CRITICAL OR MINIMUM FUEL MODE INDICATOR STATE AREA 0 MIN. FUEL, 1 MIN. TIME
040901,001574:
040902,001575: # OUTPUT
040903,001576: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040904,001577: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
040905,001578: # X(T1) COTANGENT OF INITIAL FPA MEASURED FROM VERTICAL DP B5
040906,001579: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
040907,001580:
040908,001581: # DEBRIS
040909,001582: # PUSHLIST
040910,001583: # 00D X(T1),,
040911,001584: # 02D THETA1
040912,001585: # 05D THETA2
040913,001586: # 08D THETA3
040914,001587: # 10D X(T1)MIN
040915,001588: # 12D DX(T1)MAX
040916,001589: # # Page 932
040917,001590: # 14D X(T1)MAX
040918,001591: # 16D DX(T1)
040919,001592: # 22D DV,=PREVIOUS DV DP B7/B5
040920,001593: # 24D BETA9=X(T1)+1.1DX(T1) DP B5
040921,001594: # 31D GAMDV10 SUBROUTINE RETURN ADDRESS
040922,001595: # 32D DVCALC SUBROUTINE RETURN ADDRESS
040923,001596: # 33D V2T100 SUBROUTINE RETURN ADDRESS
040924,001597:
040925,001598: 32,3464 77620 GAMDV10 STQ
040926,001599: 32,3465 00037 31D
040927,001600: 32,3466 45001 SETPD CALL
040928,001601: 32,3467 00023 18D # PL18D
040929,001602: 32,3470 65665 DVCALC
040930,001603: 32,3471 45345 DLOAD DSU
040931,001604: 32,3472 00017 14D
040932,001605: 32,3473 00013 10D
040933,001606: 32,3474 77600 BOV
040934,001607: 32,3475 65515 GAMDV20
040935,001608: 32,3476 45206 PUSH DSU # X(T1)MAX-X(T1)MIN=BETA8 B5 PL20D
040936,001609: 32,3477 33576 EPC9RTE
040937,001610: 32,3500 71240 BMN DLOAD
040938,001611: 32,3501 65663 GAMDVX # BOUNDS CLOSE TOGETHER
040939,001612: 32,3502 00023 18D
040940,001613: 32,3503 50025 DSU BMN # BETA8-DX(T1)MAX
040941,001614: 32,3504 00015 12D
040942,001615: 32,3505 65511 GAMDV15
040943,001616: 32,3506 52001 SETPD GOTO # PL18D
040944,001617: 32,3507 00023 18D
040945,001618: 32,3510 65515 GAMDV20
040946,001619: 32,3511 77745 GAMDV15 DLOAD # PL18D
040947,001620: 32,3512 70565 SIGN SR1
040948,001621: 32,3513 00021 16D
040949,001622: 32,3514 00021 STORE 16D # BETA8(SIGNDX(T1))/2=DX(T1)
040950,001623: 32,3515 77745 GAMDV20 DLOAD
040951,001624: 32,3516 33602 M144RTE
040952,001625: 32,3517 03546 STORE NN2
040953,001626: 32,3520 43345 GAMDV25 DLOAD DAD
040954,001627: 32,3521 03546 NN2
040955,001628: 32,3522 33600 1RTEB28
040956,001629: 32,3523 67240 BMN SLOAD
040957,001630: 32,3524 65530 GAMDV30
040958,001631: 32,3525 33630 OCT605
040959,001632: 32,3526 77650 GOTO
040960,001633: 32,3527 65462 V2T1X
040961,001634: 32,3530 03546 GAMDV30 STORE NN2 # NN2=NN2+1
040962,001635: 32,3531 65345 DLOAD PDDL # X(T1)=X(T1), B5 PL20D
040963,001636: 32,3532 03722 X(T1)
040964,001637: 32,3533 03706 DV
040965,001638: 32,3534 43325 PDDL DAD # DV=DV, B7/B5 PL22D
040966,001639: 32,3535 03722 X(T1)
040967,001640: 32,3536 00021 16D
040968,001641: # # Page 933
040969,001642: 32,3537 37722 STCALL X(T1) # X(T1)+DX(T1)=X(T1) B5
040970,001643: 32,3540 65665 DVCALC
040971,001644: 32,3541 71214 BON DLOAD
040972,001645: 32,3542 00312 F2RTE
040973,001646: 32,3543 65557 GAMDV35
040974,001647: 32,3544 03706 DV
040975,001648: 32,3545 50025 DSU BMN # CONTINUE IF FUEL CRITICAL MODE
040976,001649: 32,3546 00025 20D
040977,001650: 32,3547 65554 GAMDV33
040978,001651: 32,3550 57545 GAMDV32 DLOAD DCOMP
040979,001652: 32,3551 00021 16D
040980,001653: 32,3552 77742 SR1
040981,001654: 32,3553 00021 STORE 16D
040982,001655: 32,3554 52001 GAMDV33 SETPD GOTO
040983,001656: 32,3555 00023 18D # PL18D
040984,001657: 32,3556 65622 GAMDV50
040985,001658:
040986,001659: # TIME CRITICAL MODE
040987,001660:
040988,001661: 32,3557 45345 GAMDV35 DLOAD DSU
040989,001662: 32,3560 03632 RTEDVD
040990,001663: 32,3561 03706 DV
040991,001664: 32,3562 41525 PDDL PUSH # DVD-DV=DVERR B7/B5 PL22D
040992,001665: 32,3563 51545 GAMDV40 DLOAD ABS # DV, PL24D
040993,001666: 32,3564 00025 20D
040994,001667: 32,3565 50025 DSU BMN
040995,001668: 32,3566 33660 EPC10RTE
040996,001669: 32,3567 65663 GAMDVX
040997,001670: 32,3570 71204 GAMDV45 BOVB DLOAD
040998,001671: 32,3571 57544 TCDANZIG # ASSURE OVFIND IS 0
040999,001672: 32,3572 60221 BDSU NORM
041000,001673: 32,3573 03706 DV
041001,001674: 32,3574 00050 X2
041002,001675: 32,3575 77725 PDDL # DV-DV, B7/B5-N2 PL22D
041003,001676: 32,3576 70501 NORM SR1 # DVERR B8/B6-N1
041004,001677: 32,3577 00047 X1
041005,001678: 32,3600 65271 DDV PDDL # DVERR/ DV - DV
041006,001679: 32,3601 41221 BDSU DMP # PL18D
041007,001680: 32,3602 03722 X(T1)
041008,001681: 32,3603 77660 XSU,1
041009,001682: 32,3604 00047 X2
041010,001683: 32,3605 00021 STORE 16D # PRESERVE SIGN IF OVERFLOW
041011,001684: 32,3606 40057 SR* BOV
041012,001685: 32,3607 20600 0 -1,1
041013,001686: 32,3610 65616 GAMDV47
041014,001687: 32,3611 00021 STORE 16D # (X(T1)-X(T1),)DVERR/(DV-DV,)=DX(T1)
041015,001688: 32,3612 45246 ABS DSU
041016,001689: 32,3613 00015 12D
041017,001690: 32,3614 77640 BMN
041018,001691: 32,3615 65622 GAMDV50
041019,001692: # # Page 934
041020,001693: 32,3616 75345 GAMDV47 DLOAD SIGN
041021,001694: 32,3617 00015 12D
041022,001695: 32,3620 00021 16D
041023,001696: 32,3621 00021 STORE 16D # DX(T1)MAX(SIGNDX(T1))=DX(T1)
041024,001697:
041025,001698: # CHECK TO KEEP INDEPENDENT VARIABLE IN BOUNDS
041026,001699:
041027,001700: 32,3622 41345 GAMDV50 DLOAD DMP
041028,001701: 32,3623 00021 16D
041029,001702: 32,3624 33612 1.1RTEB1
041030,001703: 32,3625 43352 SL1 DAD
041031,001704: 32,3626 03722 X(T1)
041032,001705: 32,3627 00031 STORE 24D # X(T1)+1.1DX(T1)=BETA9 B5
041033,001706: 32,3630 50025 DSU BMN
041034,001707: 32,3631 00017 14D
041035,001708: 32,3632 65641 GAMDV55
041036,001709: 32,3633 45345 DLOAD DSU
041037,001710: 32,3634 00017 14D
041038,001711: 32,3635 03722 X(T1)
041039,001712: 32,3636 77742 SR1
041040,001713: 32,3637 34021 STCALL 16D # (X(T1)MAX-X(T1))/2=DX(T1) B5
041041,001714: 32,3640 65654 GAMDV65
041042,001715: 32,3641 45345 GAMDV55 DLOAD DSU
041043,001716: 32,3642 00031 24D
041044,001717: 32,3643 00013 10D
041045,001718: 32,3644 52040 BMN GOTO
041046,001719: 32,3645 65647 GAMDV60
041047,001720: 32,3646 65654 GAMDV65
041048,001721: 32,3647 45345 GAMDV60 DLOAD DSU
041049,001722: 32,3650 00013 10D
041050,001723: 32,3651 03722 X(T1)
041051,001724: 32,3652 77742 SR1
041052,001725: 32,3653 00021 STORE 16D # (X(T1)MIN-X(T1))/2=DX(T1) B5
041053,001726: 32,3654 51545 GAMDV65 DLOAD ABS
041054,001727: 32,3655 00021 16D
041055,001728: 32,3656 50025 DSU BMN
041056,001729: 32,3657 33576 EPC9RTE
041057,001730: 32,3660 65663 GAMDVX
041058,001731: 32,3661 77650 GOTO
041059,001732: 32,3662 65520 GAMDV25
041060,001733: 32,3663 77650 GAMDVX GOTO
041061,001734: 32,3664 00037 31D
041062,001735:
041063,001736: # # Page 935
041064,001737: # DV CALCULATION SUBROUTINE
041065,001738:
041066,001739: # INPUT
041067,001740: # PUSHLIST
041068,001741: # 02D THETA1=BETA5*LAMBDA-1 TP B17
041069,001742: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
041070,001743: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
041071,001744: # OTHER
041072,001745: # X(T1) COTANGENT OF POST IMPULSE INITIAL FLIGHT PATH ANGLE DP B5
041073,001746: # V(T1)/ INITIAL VELOCITY VECTOR (PRE IMPULSE) VECTOR B7/B5 METERS/CS
041074,001747: # UR1/ UNIT INITIAL VECTOR VECTOR B1
041075,001748: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
041076,001749:
041077,001750: # OUTPUT
041078,001751: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
041079,001752: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
041080,001753: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
041081,001754:
041082,001755: # DEBRIS
041083,001756: # 28D THETA3*PCON**.5 DP B10/B8-N1
041084,001757: # C(PUSHLOC) THETA3(PCON**.5)*X(T1)*UR1/ VECTOR B7/B5
041085,001758: # 32D DVCALC SUBROUTINE RETURN ADDRESS
041086,001759: # X1 NORMALIZATION FACTOR FOR VALUE IN 28D
041087,001760:
041088,001761: # PUSHLOC IS RESTORED TO ITS ENTRANCE VALUE UPON EXITING DVCALC
041089,001762:
041090,001763: 32,3665 71220 DVCALC STQ DLOAD
041091,001764: 32,3666 00040 32D
041092,001765: 32,3667 03722 X(T1)
041093,001766: 32,3670 54316 DSQ SR
041094,001767: 32,3671 20610 7
041095,001768: 32,3672 76276 DCOMP TAD
041096,001769: 32,3673 00003 02D
041097,001770: 32,3674 41501 NORM PUSH
041098,001771: 32,3675 00047 X1
041099,001772: 32,3676 60351 TLOAD NORM
041100,001773: 32,3677 00006 05D
041101,001774: 32,3700 00050 X2
041102,001775: 32,3701 70434 RTB SR1
041103,001776: 32,3702 45765 DPMODE
041104,001777: 32,3703 56264 XSU,2 DDV
041105,001778: 32,3704 00046 X1
041106,001779: 32,3705 77657 SR*
041107,001780: 32,3706 57170 6,2
041108,001781: 32,3707 03720 STORE PCON # THETA2/(THETA1-X(T1)**2)=PCON B28/26
041109,001782: 32,3710 41366 SQRT DMP
041110,001783: 32,3711 00011 08D
041111,001784: 32,3712 77701 NORM
041112,001785: 32,3713 00047 X1
041113,001786: 32,3714 14035 STODL 28D # THETA3*PCON**.5 B10/B8 -N1
041114,001787: # # Page 936
041115,001788: 32,3715 03722 X(T1)
041116,001789: 32,3716 74301 NORM VXSC
041117,001790: 32,3717 00050 X2
041118,001791: 32,3720 03554 UR1/ # X(T1)*UR1/ B5+B1 -N2
041119,001792: 32,3721 74274 XAD,2 VXSC
041120,001793: 32,3722 00046 X1
041121,001794: 32,3723 00035 28D
041122,001795: 32,3724 63257 VSR* PDVL # THETA3(PCON**.5)X(T1)*UR1/ B7/B5
041123,001796: 32,3725 57207 0 -9D,2 # +
041124,001797: 32,3726 03562 UH/
041125,001798: 32,3727 53761 VXSC VSR* # THETA3(PCON**.5)UH/ B7/B5
041126,001799: 32,3730 00035 28D
041127,001800: 32,3731 20575 0 -4,1 # =
041128,001801: 32,3732 45455 VAD STADR
041129,001802: 32,3733 74077 STORE V2(T1)/ # V2(T1)/ B7/B5
041130,001803: 32,3734 51451 VSU ABVAL
041131,001804: 32,3735 03672 V(T1)/
041132,001805: 32,3736 03706 STORE DV # ABVAL(V2(T1)/-V1(T)/)=DV B7/B5
041133,001806: 32,3737 77650 GOTO
041134,001807: 32,3740 00040 32D
041135,001808:
041136,001809: # # Page 937
041137,001810: # SUBROUTINE TO COMPUTE BOUNDS ON INDEPENDENT VARIABLE X(T1)
041138,001811:
041139,001812: # INPUT
041140,001813: # PUSHLIST
041141,001814: # PUSHLOC -4 MAJOR AXIS (MA) DP B30/B28
041142,001815: # PUSHLOC -2 MAJOR AXIS (MA) AGAIN DP B30/B28
041143,001816: # 28D BETA5=LAMBDA*BETA1 DP B9
041144,001817: # OTHER
041145,001818: # RCON DP B29/B27
041146,001819: # R(T1) DP B29/B27
041147,001820:
041148,001821: # OUTPUT
041149,001822: # MPAC
041150,001823: # X(T1)LIM LIMIT ON INDEPENDENT VARIABLE X(T1) DP B5
041151,001824:
041152,001825: # DEBRIS
041153,001826: # PUSHLIST
041154,001827: # C(PUSHLOC) MA-RCON DP (B30/28)-N1
041155,001828: # C(PUSHLOC)+2 MA DP B30/B28
041156,001829: # X1 NORMALIZATION FACTOR FOR MA-RCON
041157,001830: # 20D XT1LIM SUBROUTINE RETURN ADDRESS
041158,001831: # PUSHLOC IS RESTORED TO ITS ENTRANCE VALUE UPON EXITING XT1LIM
041159,001832:
041160,001833: 32,3741 71220 XT1LIM STQ DLOAD
041161,001834: 32,3742 00024 20D
041162,001835: 32,3743 03636 RCON
041163,001836: 32,3744 44342 SR1 BDSU
041164,001837: 32,3745 65301 NORM PDDL # MA-RCON B30-N1
041165,001838: 32,3746 00050 X2
041166,001839: 32,3747 70525 PDDL SR1
041167,001840: 32,3750 03646 R(T1)
041168,001841: 32,3751 56221 BDSU DDV
041169,001842: 32,3752 41257 SL* DMP
041170,001843: 32,3753 57601 0 -3,2
041171,001844: 32,3754 00035 28D
041172,001845: 32,3755 45257 SL* DSU # BETA10=BETA5(MA-RT)/(MA-RC)-1 B11
041173,001846: 32,3756 20173 0 -6,1
041174,001847: 32,3757 33577 1RTEB25 +1 # 1.0 B-11
041175,001848: 32,3760 40152 SL1 BOV # B10
041176,001849: 32,3761 65765 XT1LIM2
041177,001850: 32,3762 52040 BMN GOTO
041178,001851: 32,3763 65771 XT1LIM5
041179,001852: 32,3764 65767 XT1LIM3
041180,001853: 32,3765 77745 XT1LIM2 DLOAD # BETA10=POSMAX IF OVERFLOW
041181,001854: 32,3766 15344 2RTEB1
041182,001855: 32,3767 52166 XT1LIM3 SQRT GOTO # X(T1)=SQRT(BETA10) B5
041183,001856: 32,3770 65773 XT1LIMX
041184,001857: 32,3771 77745 XT1LIM5 DLOAD
041185,001858: 32,3772 15330 ZERORTE
041186,001859: 32,3773 77650 XT1LIMX GOTO
041187,001860: 32,3774 00024 20D
041188,001861:
041189,001862: # # Page 938
041190,001863: # CONSTANTS FOR THE P37 AND P70 PROGRAMS AND SUBROUTINES
041191,001864:
041192,001865: 35,2000 SETLOC RTECON1
041193,001866: 35,2000 BANK
041194,001867:
041195,001868: 35,3571 COUNT* $$/P37
041196,001869: 35,3571 26,3333 1RTEB1 = UNITX
041197,001870: 35,3571 26,3325 1RTEB2 = DP1/4TH
041198,001871: 35,3571 34,3766 1RTEB3 = DP2(-3)
041199,001872: 35,3571 34,3770 1RTEB4 = DP2(-4)
041200,001873: 35,3571 00002 00000 1RTEB13 2DEC 1. B-13
041201,001874: 35,3573 00000 04000 1RTEB17 2DEC 1. B-17
041202,001875: 35,3575 00000 00010 1RTEB25 2DEC 1. B-25
041203,001876: # * * B25 AND B28 MUST BE CONSECUTIVE * *
041204,001877: 35,3577 00000 00001 1RTEB28 2DEC 1. B-28
041205,001878: 35,3601 26,3327 ZERORTE = UNITZ
041206,001879: 35,3601 77777 77557 M144RTE 2DEC -144. B-28
041207,001880: 35,3603 77777 77760 M15RTE 2DEC -15 B-28
041208,001881: 35,3605 00000 00012 10RTE 2DEC 10 B-28
041209,001882: 35,3607 54631 63145 M.6RTE 2DEC -.6
041210,001883: 35,3611 21463 06315 1.1RTEB1 2DEC 1.1 B-1
041211,001884: 35,3613 26,3343 2RTEB1 = DPPOSMAX
041212,001885: 35,3613 77777 77766 M9RTEB28 2DEC -9 B-28
041213,001886: 35,3615 77777 77767 M8RTEB28 2DEC -8 B-28
041214,001887: 35,3617 00000 35610 30480RTE 2DEC 30480. B-29
041215,001888: 35,3621 37405 12250 VCSPS 2DEC 31.510396 B-5 # (SEE 2VEXHUST)
041216,001889: 35,3623 33041 37714 VCRCS 2DEC 27.0664 B-5
041217,001890: 35,3625 00003 13241 MDOTRCS 2DEC .0016375 B-3
041218,001891: 35,3627 26,3333 CSUBT = UNITX
041219,001892: 35,3627 00605 OCT605 OCT 00605
041220,001893: 35,3630 00612 OCT612 OCT 00612
041221,001894: 35,3631 40214 45266 MCOS7.5 2DEC -.99144486
041222,001895: 35,3633 73645 56536 MSIN7.5 2DEC -.13052619
041223,001896: # # Page 939
041224,001897: 35,3635 70467 71205 MCOS22.5 2DEC -.92387953 B-2
041225,001898: 35,3637 16525 12525 THETA165 2DEC .458333333
041226,001899: 35,3641 22525 12525 THETA210 2DEC .583333333
041227,001900: 35,3643 17775 06676 EPC1RTE 2DEC .99966 B-1
041228,001901: 35,3645 00000 00062 EPC2RTE 2DEC 100. B-29
041229,001902: 35,3647 00020 14223 EPC3RTE 2DEC .001
041230,001903: 35,3651 00000 05174 EPC4RTE 2DEC .00001
041231,001904: 35,3653 00000 01654 EPC6RTE 2DEC .000007 B-1
041232,001905: 35,3655 00000 00764 EPC7RTE 2DEC 1000. B-29
041233,001906: 35,3657 35,3575 EPC9RTE = 1RTEB25
041234,001907: 35,3657 00000 00322 EPC10RTE 2DEC .0001 B-7
041235,001908:
041236,001909: 35,3661 BANK 35
041237,001910: 35,2000 SETLOC RTECON1
041238,001911: 35,2000 BANK
041239,001912: 35,3661 COUNT* $$/P37
041240,001913: 35,3661 75725 75417 C4RTE 2DEC -6.986643 E7 B-30
041241,001914: 35,3663 00325 23740 K1RTE 2DEC 7. E6 B-29
041242,001915: 35,3665 00306 06614 K2RTE 2DEC 6495000. B-29
041243,001916: 35,3667 76027 70156 K3RTE 2DEC -.06105
041244,001917: 35,3671 74517 54131 K4RTE 2DEC -.10453
041245,001918: 35,3673 30276 05001 RTMURTE 2DEC 199650.501 B-18
041246,001919: 35,3675 00003 27040 E3RTE 2DEC 121920. B-29
End of include-file P37_P70.agc. Parent file is MAIN.agc