Source Code
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These source-code files were obtained by digitally photographing
an Artemis 72 (Apollo 15-17 Command Module) program listing from a private
collection and then
modifying pre-existing Comanche 55 (Apollo 11) source files to
incorporate changes. Photography was by Ron Burkey, and transcription
was performed by a team of volunteers. 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, 1971Note that the date is the date of the printout, not the date of the program revision. |
039500,000002: ## Copyright: Public domain.
039501,000003: ## Filename: P37_P70.agc
039502,000004: ## Purpose: Part of the source code for Artemis (i.e., Colossus 3),
039503,000005: ## build 072. This is for the Command Module's (CM)
039504,000006: ## Apollo Guidance Computer (AGC), for
039505,000007: ## Apollo 15-17.
039506,000008: ## Assembler: yaYUL
039507,000009: ## Contact: Steve Case <case1780@adelphia.net>
039508,000010: ## Website: www.ibiblio.org/apollo/index.html
039509,000011: ## Page Scans: www.ibiblio.org/apollo/ScansForConversion/Artemis072/
039510,000012: ## Mod history: 2009-09-01 SMC Adapted from Comanche055 files.
039511,000013: ## 2009-09-03 JL Fixed symbol names, page metadata.
039512,000014: ## 2009-09-04 JL Fixed typo.
039513,000015: ## 2009-09-08 JL Fixed typos.
039514,000016: ## 2010-02-01 JL Fixed build errors.
039515,000017: ## 2010-02-13 JL Fixed error on p905.
039516,000018: ## 2010-02-20 RSB Un-##'d this header.
039517,000019: ## 2010-04-11 JL Add missing comment characters.
039518,000020: ## 2017-01-28 RSB WTIH -> WITH.
039519,000021: ## 2017-02-08 RSB Proofed comment text by diff'ing vs Comanche 55
039520,000022: ## and corrected errors found.
039521,000023:
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Page 897 |
039523,000025: 36,2000 SETLOC RTE1
039524,000026: 36,2000 BANK
039525,000027:
039526,000028: 36,2476 E7,1631 EBANK= RTEDVD
039527,000029: 36,2476 COUNT* $$/P37
039528,000030:
039529,000031: # PROGRAM DESCRIPTION - P37, RETURN TO EARTH
039530,000032:
039531,000033: # DESCRIPTION
039532,000034: # A RETURN TO EARTH TRAJECTORY IS COMPUTED PROVIDED THE CSM IS OUTSIDE THE LUNAR SPHERE OF INFLUENCE AT THE
039533,000035: # TIME OF IGNITION. INITIALLY A CONIC TRAJECTORY IS DETERMINED AND RESULTING IGNITION AND REENTRY PARAMETERS ARE
039534,000036: # DISPLAYED TO THE ASTRONAUT. THEN IF THE ASTRONAUT SO DESIRES, A PRECISION TRAJECTORY IS DETERMINED WITH THE
039535,000037: # RESULTING IGNITION AND REENTRY PARAMETERS DISPLAYED. UPON FINAL ACCEPTANCE BY THE ASTRONAUT, THE PROGRAM
039536,000038: # COMPUTES AND STORES THE TARGET PARAMETERS FOR RETURN TO EARTH FOR USE BY SPS PROGRAM (P40) OR RCS PROGRAM (P41).
039537,000039:
039538,000040: # CALLING SEQUENCE
039539,000041: # L TC P37
039540,000042:
039541,000043: # SUBROUTINES CALLED
039542,000044: # PREC100
039543,000045: # V2T100
039544,000046: # RTENCK2
039545,000047: # RTENCK3
039546,000048: # TIMERAD
039547,000049: # PARAM
039548,000050: # V2T100
039549,000051: # GAMDV10
039550,000052: # XT1LIM
039551,000053: # DVCALC
039552,000054: # RTENCK1
039553,000055: # INTSTALL
039554,000056: # INTEGRVS
039555,000057: # RTEVN
039556,000058: # RTEDISP
039557,000059: # TMRAD100
039558,000060: # AUGEKUGL
039559,000061: # LAT-LONG
039560,000062: # TMRAD100
039561,000063: # TIMERAD
039562,000064: # INVC100
039563,000065: # CSMPREC
039564,000066: # GETERAD
039565,000067: # TIMETHET
039566,000068: # P370ALRM
039567,000069: # VN1645
039568,000070: # POLY
039569,000071:
039570,000072: # ERASABLE INITIALIZATION REQUIRED
039571,000073: # CSM STATE VECTOR
039572,000074: # NJETSFLG NUMBER OF JETS IF THE RCS PROPULSION SYSTEM SELECTED STATE FLAG 0=4 JETS 1=2 JETS
039573,000075:
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Page 898 |
039575,000077: # ASTRONAUT INPUT
039576,000078: # SPRTETIG TIME OF IGNITION (OVERLAYS TIG) DP B28 CS
039577,000079: # VPRED DESIRED CHANGE IN VELOCITY AT TIG(PROGRM COMPUTED IF 0) DP B7 METERS/CS
039578,000080: # GAMMAEI DESIRED FLIGHT PATH ANGLE AT REENTRY (COMPUTED IF 0) DP B0 REVS + ABOVE HORIZ.
039579,000081: # OPTION2 PROPULSION SYSTEM OPTION SP B14 1=SPS, 2=RCS
039580,000082:
039581,000083: # OUTPUT
039582,000084: # CONIC OR PRECISION TRAJECTORY DISPLAY
039583,000085: # VPRED VELOCITY MAGNITUDE AT 400,000 FT. ENTRY ALTITUDE DP B7 METERS/CS
039584,000086: # T3TOT4 TRANSIT TIME TO 400,000 FT. ENTRY ALTITUDE DP B28 CS
039585,000087: # GAMMAEI FLIGHT PATH ANGLE AT 400,000 FT. ENTRY ALTITUDE DP B0 REVS + ABOVE HORIZON
039586,000088: # DELVLVC INITIAL VELOCITY CHANGE VECTOR IN LOCAL VERTICAL COORD. VECTOR B7 METERS/CS
039587,000089: # LAT(SPL) LATITUDE OF THE LANDING SITE DP B0 REVS
039588,000090: # LNG(SPL) LONGITUDE OF THE LANDING SITE DP B0 REVS
039589,000091: # TARGETING COMPUTATION DISPLAY
039590,000092: # TIG RECOMPUTED TIG BASED ON THRUST OPTION DP B28 CS
039591,000093: # TTOGO TIME FROM TIG DP B28 CS
039592,000094: # +MGA POSITIVE MIDDLE GIMBAL ANGLE DP B0 REVS -.02 IF REFSMFLG=0
039593,000095: # THRUST PROGRAM COMMUNICATION
039594,000096: # XDELVFLG EXTERNAL DELTA V FLAG STATE FLAG SET 0 FOR LAMBERT AIMPT
039595,000097: # NORMSW LAMBERT AIMPT ROTATION SWITCH STATE FLAG SET 0 FOR NO ROTATION
039596,000098: # ECSTEER CROSS PRODUCT STEERING CONSTANT SP B2 SET 1
039597,000099: # RTARG CONICALLY INTEGRATED REENTRY POSITION VECTOR VECTOR B29 METERS
039598,000100: # TPASS4 REENTRY TIME DP B28 CS
039599,000101:
039600,000102: 36,2476 05402 P37 TC PHASCHNG # P37 IS NOT RESTARTABLE.
039601,000103: 36,2477 00004 OCT 4
039602,000104:
039603,000105: 36,2500 06006 TC INTPRET
039604,000106: 36,2501 66170 AXT,1 SXA,1
039605,000107: 36,2502 04000 OCT 04000
039606,000108: 36,2503 03424 ECSTEER
039607,000109: 36,2504 77745 DLOAD
039608,000110: 36,2505 15336 ZEROVECS
039609,000111: 36,2506 03757 STORE VPRED
039610,000112: 36,2507 03761 STORE GAMMAEI
039611,000113: 36,2510 77776 EXIT
039612,000114: 36,2511 35026 CAF V6N33RTE # INPUT TIG STORED IN SPRTETIG
039613,000115: 36,2512 03246 TCR P370GOF # OVERLAYED WITH TIG
039614,000116: 36,2513 12511 TCF -2 # DESPLAY NEW DATA
039615,000117: 36,2514 35033 CAF V6N60RTE # INPUT REENTRY ANGLE IN GAMMAEI
039616,000118: 36,2515 03222 TCR P37GFRB1 # AND DESIRED DELTA V IN RTEDVD
039617,000119: 36,2516 12514 TCF -2 # DISPLAY NEW DATA
039618,000120: 36,2517 06006 RTE299 TC INTPRET
039619,000121: 36,2520 71331 SSP DLOAD
039620,000122: 36,2521 00122 OVFIND
039621,000123: 36,2522 00000 0
039622,000124: 36,2523 03757 VPRED
039623,000125: 36,2524 17632 STODL RTEDVD
039624,000126: 36,2525 03761 GAMMAEI
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Page 899 |
039626,000128: 36,2526 17634 STODL RTEGAM2D
039627,000129: 36,2527 33572 1RTEB13
039628,000130: 36,2530 17551 STODL CONICX1
039629,000131: 36,2531 33662 C4RTE
039630,000132: 36,2532 37652 STCALL MAMAX1
039631,000133: 36,2533 64455 INVC100 # GET R(T1)/,V(T1)/,UR1/,UH/
039632,000134: 36,2534 71214 CLEAR DLOAD
039633,000135: 36,2535 02662 SLOWFLG
039634,000136: 36,2536 03632 RTEDVD
039635,000137: 36,2537 51444 BPL ABS
039636,000138: 36,2540 74550 RTE317
039637,000139: 36,2541 03632 STORE RTEDVD
039638,000140: 36,2542 45345 DLOAD DSU
039639,000141: 36,2543 03646 R(T1)
039640,000142: 36,2544 33664 K1RTE
039641,000143: 36,2545 43040 BMN SET
039642,000144: 36,2546 74550 RTE317
039643,000145: 36,2547 02462 SLOWFLG
039644,000146: 36,2550 77545 RTE317 DLOAD EXIT
039645,000147: 36,2551 03646 R(T1)
039646,000148: 36,2552 07171 TC POLY
039647,000149: 36,2553 00002 DEC 2 B-14
039648,000150: 36,2554 02544 35436 2DEC 181000434. B-31
039649,000151: 36,2556 14040 05066 2DEC 1.50785145 B-2
039650,000152: 36,2560 44052 60030 2DEC* -6.49993057 E-9 B27*
039651,000153: 36,2562 26415 25057 2DEC* 9.76938926 E-18 B56*
039652,000154: 36,2564 06006 TC INTPRET
039653,000155: 36,2565 77752 SL1
039654,000156: 36,2566 17654 STODL MAMAX2 # C0+C1*R+C2*R**2+C3*R**3=MAMAX2 B30
039655,000157: 36,2567 33614 M9RTEB28
039656,000158: 36,2570 17730 STODL NN1A
039657,000159: 36,2571 33666 K2RTE
039658,000160: 36,2572 17636 RTE320 STODL RCON # RCON=K2
039659,000161: 36,2573 03634 RTEGAM2D
039660,000162: 36,2574 44254 BZE BDSU
039661,000163: 36,2575 74604 RTE340 # GOTORTE340 IF REENTRY ANGLE NOT INPUT
039662,000164: 36,2576 15326 1RTEB2
039663,000165: 36,2577 71406 PUSH COS # PL02D
039664,000166: 36,2600 73525 PDDL SIN
039665,000167: 36,2601 45465 BDDV STADR # PL00D
039666,000168: 36,2602 40051 STCALL X(T2) # X(T2)=COT(GAM2D) B0
039667,000169: 36,2603 74617 RTE360
039668,000170: 36,2604 45345 RTE340 DLOAD DSU
039669,000171: 36,2605 03646 R(T1)
039670,000172: 36,2606 33664 K1RTE
039671,000173: 36,2607 71240 BMN DLOAD
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Page 900 |
039673,000175: 36,2610 74614 RTE350
039674,000176: 36,2611 33672 K4RTE
039675,000177: 36,2612 37726 STCALL X(T2) # X(T2)=K4
039676,000178: 36,2613 74617 RTE360
039677,000179: 36,2614 77745 RTE350 DLOAD
039678,000180: 36,2615 33670 K3RTE
039679,000181: 36,2616 03726 STORE X(T2) # X(T2)=K3
039680,000182: 36,2617 77624 RTE360 CALL
039681,000183: 36,2620 65102 V2T100
039682,000184: 36,2621 52054 BZE GOTO
039683,000185: 36,2622 74624 RTE367
039684,000186: 36,2623 64272 RTEALRM
039685,000187: 36,2624 77775 RTE367 VLOAD
039686,000188: 36,2625 03640 R(T1)/
039687,000189: 36,2626 16657 STODL RVEC
039688,000190: 36,2627 03636 RCON
039689,000191: 36,2630 26760 STOVL RDESIRED
039690,000192: 36,2631 03700 V2(T1)/
039691,000193: 36,2632 36746 STCALL VVEC
039692,000194: 36,2633 64304 TMRAD100
039693,000195: 36,2634 77615 DAD
039694,000196: 36,2635 03716 T1
039695,000197: 36,2636 17552 STODL T2
039696,000198: 36,2637 03634 RTEGAM2D
039697,000199: 36,2640 52054 BZE GOTO
039698,000200: 36,2641 74643 RTE369
039699,000201: 36,2642 74665 RTE372
039700,000202: 36,2643 51575 RTE369 VLOAD ABVAL
039701,000203: 36,2644 03710 V(T2)/
039702,000204: 36,2645 77776 EXIT
039703,000205: 36,2646 07171 TC POLY
039704,000206: 36,2647 00002 DEC 2 B-14
039705,000207: 36,2650 00000 00000 2DEC 0 B-28
039706,000208: 36,2652 47021 65002 2DEC -4.8760771 E-2 B4
039707,000209: 36,2654 35610 07722 2DEC 4.5419476 E-4 B11
039708,000210: 36,2656 63772 63276 2DEC -1.4317675 E-6 B18
039709,000211: 36,2660 06006 TC INTPRET
039710,000212: 36,2661 77615 DAD
039711,000213: 36,2662 01343 RTED1
039712,000214: 36,2663 52052 SL3 GOTO # X(T2),=D1+D2V2+D3V2**2+D4V2**3
039713,000215: 36,2664 74667 RTE373
039714,000216: 36,2665 77745 RTE372 DLOAD # X(T2),=X(T2)
039715,000217: 36,2666 03726 X(T2)
039716,000218: 36,2667 41425 RTE373 DSU PUSH # X(T2)ERR B0 PL02D
039717,000219: 36,2670 03726 X(T2)
039718,000220: 36,2671 53575 VLOAD UNIT
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Page 901 |
039720,000222: 36,2672 03656 R(T2)/ # B58
039721,000223: 36,2673 36152 STCALL ALPHAV
039722,000224: 36,2674 26570 GETERAD
039723,000225: 36,2675 77615 DAD
039724,000226: 36,2676 33676 E3RTE
039725,000227: 36,2677 45206 PUSH DSU # RCON,=(E1/(1+E2BETA11)**.5)+E3 B29 PL04D
039726,000228: 36,2700 03636 RCON
039727,000229: 36,2701 45246 ABS DSU
039728,000230: 36,2702 33646 EPC2RTE
039729,000231: 36,2703 52040 BMN GOTO
039730,000232: 36,2704 74706 RTE374
039731,000233: 36,2705 74713 RTE375
039732,000234: 36,2706 51545 RTE374 DLOAD ABS
039733,000235: 36,2707 00001 00D
039734,000236: 36,2710 50025 DSU BMN
039735,000237: 36,2711 33650 EPC3RTE
039736,000238: 36,2712 74763 P37E
039737,000239: 36,2713 43345 RTE375 DLOAD DAD
039738,000240: 36,2714 03730 NN1A
039739,000241: 36,2715 33600 1RTEB28
039740,000242: 36,2716 67240 BMN SLOAD
039741,000243: 36,2717 74723 RTE380
039742,000244: 36,2720 33630 OCT605
039743,000245: 36,2721 77650 GOTO
039744,000246: 36,2722 64272 RTEALRM # TOO MANY ITERATIONS
039745,000247: 36,2723 03730 RTE380 STORE NN1A
039746,000248: 36,2724 53025 DSU BZE
039747,000249: 36,2725 33616 M8RTEB28
039748,000250: 36,2726 74744 RTE385
039749,000251: 36,2727 45345 DLOAD DSU
039750,000252: 36,2730 00001 00D
039751,000253: 36,2731 03666 DRCON
039752,000254: 36,2732 65301 NORM PDDL # X(T2)ERR-X(T2)ERR,=Z1 PL06D
039753,000255: 36,2733 00047 X1
039754,000256: 36,2734 03670 RPRE,
039755,000257: 36,2735 56225 DSU DDV # X(T2)PRI-X(T2)=Z2 PL04D
039756,000258: 36,2736 03726 X(T2)
039757,000259: 36,2737 53605 DMP SL* # DX(T2)=X(T2)ERR(Z2/Z1)
039758,000260: 36,2740 00001 00D
039759,000261: 36,2741 20201 0,1
039760,000262: 36,2742 77650 GOTO
039761,000263: 36,2743 74746 RTE390
039762,000264: 36,2744 77745 RTE385 DLOAD # DX(T2)=X(T2)ERR
039763,000265: 36,2745 00001 00D
039764,000266: 36,2746 14021 RTE390 STODL 16D # DX(T2) PL02D
039765,000267: 36,2747 77626 STADR
039766,000268: 36,2750 60141 STODL RCON # RCON=RCON,
039767,000269: 36,2751 77600 BOV
039768,000270: 36,2752 74617 RTE360
039769,000271: 36,2753 17666 STODL DRCON # X(T2)ERR,=X(T2)ERR
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Page 902 |
039771,000273: 36,2754 03726 X(T2)
039772,000274: 36,2755 17670 STODL RPRE, # X(T2)PRI=X(T2)
039773,000275: 36,2756 00021 16D
039774,000276: 36,2757 77615 DAD
039775,000277: 36,2760 03726 X(T2)
039776,000278: 36,2761 37726 STCALL X(T2) # X(T2)=X(T2)+DX(T2)
039777,000279: 36,2762 74617 RTE360 # REITERATE
039778,000280: 36,2763 77624 P37E CALL # DISPLAY CONIC SOLUTION
039779,000281: 36,2764 75007 RTEVN
039780,000282: 36,2765 41345 RTE505 DLOAD DMP
039781,000283: 36,2766 03720 PCON
039782,000284: 36,2767 03744 BETA1
039783,000285: 36,2770 53021 BDSU BZE
039784,000286: 36,2771 03636 RCON
039785,000287: 36,2772 75000 RTE510
039786,000288: 36,2773 71240 BMN DLOAD
039787,000289: 36,2774 75000 RTE510
039788,000290: 36,2775 15326 1RTEB2
039789,000291: 36,2776 77650 GOTO # ENTRY NEAR APOGEE
039790,000292: 36,2777 75002 RTE515
039791,000293: 36,3000 57545 RTE510 DLOAD DCOMP # ENTRY NEAR PERIGEE
039792,000294: 36,3001 15326 1RTEB2
039793,000295: 36,3002 37751 RTE515 STCALL PHI2
039794,000296: 36,3003 64546 PREC100 # PRECISION TRAJECTORY COMPUTATION
039795,000297: 36,3004 52054 RTE625 BZE GOTO
039796,000298: 36,3005 75035 P37G
039797,000299: 36,3006 64272 RTEALRM
039798,000300:
039799,000301: # RETURN TO EARTH DISPLAY SUBROUTINE
039800,000302:
039801,000303: 36,3007 45020 RTEVN STQ CALL
039802,000304: 36,3010 03753 VNSTORE
039803,000305: 36,3011 64323 RTEDISP # DISPLAY PREPARATION
039804,000306: 36,3012 77776 EXIT
039805,000307: 36,3013 35034 CAF V6N61RTE # LATITUDE,LONGITUDE,BLANK
039806,000308: 36,3014 03232 TCR P370GOFR # IN LAT(SPL),LNG(SPL),-
039807,000309: 36,3015 34766 CAF FOUR
039808,000310: 36,3016 03226 TCR 37BLANK +1
039809,000311: 36,3017 13024 TCF +5
039810,000312: 36,3020 12476 TCF P37 # RECYCLE
039811,000313: 36,3021 33257 CAF V6N39RTE # T21 HRS,MIN,SEC IN T3TOT4
039812,000314: 36,3022 03246 TCR P370GOF
039813,000315: 36,3023 12476 TCF P37 # RECYCLE
039814,000316: 36,3024 35033 CAF V6N60RTE # DISPLAY BLANK,V(T2),FPA2
039815,000317: 36,3025 03222 TCR P37GFRB1 # IN -,VPRED,GAMMAEI
039816,000318: 36,3026 12476 TCF P37 # RECYCLE
039817,000319: 36,3027 34535 CAF V6N81RTE # DISPLAY DELTA V (LV) IN DELVLVC
039818,000320: 36,3030 03246 TCR P370GOF
039819,000321: 36,3031 12476 TCF P37 # RECYCLE
039820,000322: 36,3032 06006 TCR INTPRET
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Page 903 |
039822,000324: 36,3033 77650 GOTO
039823,000325: 36,3034 03753 VNSTORE
039824,000326:
039825,000327: # PRECISION DISPLAY, TARGETING COMPUTATION AND RTE END PROCESSING
039826,000328:
039827,000329: 36,3035 77624 P37G CALL
039828,000330: 36,3036 75007 RTEVN
039829,000331: 36,3037 77776 EXIT
039830,000332: 36,3040 34774 P37N CAF SEVEN
039831,000333: 36,3041 54775 TS OPTION1
039832,000334: 36,3042 34770 CAF ONE
039833,000335: 36,3043 54776 TS OPTION2
039834,000336: 36,3044 34537 CAF V4N06RTE # DISPLAY RCS OR SPS OPTION SPS ASSUMED
039835,000337: 36,3045 03246 TCR P370GOF
039836,000338: 36,3046 13044 TCF -2 # RECYCLE
039837,000339: 36,3047 06006 TC INTPRET # PROCEED
039838,000340: 36,3050 67201 SETPD SLOAD
039839,000341: 36,3051 00001 00D
039840,000342: 36,3052 00777 OPTION2
039841,000343: 36,3053 53025 DSU BZE
039842,000344: 36,3054 33572 1RTEB13
039843,000345: 36,3055 75064 P37Q
039844,000346: 36,3056 60335 SLOAD NORM # SPS
039845,000347: 36,3057 01351 EMDOT
039846,000348: 36,3060 00047 X1
039847,000349: 36,3061 52125 PDDL GOTO
039848,000350: 36,3062 33622 VCSPS
039849,000351: 36,3063 75075 P37T
039850,000352: 36,3064 43145 P37Q DLOAD BON # RCS
039851,000353: 36,3065 33626 MDOTRCS
039852,000354: 36,3066 00700 NJETSFLG
039853,000355: 36,3067 75071 P37R
039854,000356: 36,3070 77752 SL1
039855,000357: 36,3071 77752 P37R SL1
039856,000358: 36,3072 65301 NORM PDDL
039857,000359: 36,3073 00047 X1
039858,000360: 36,3074 33624 VCRCS
039859,000361: 36,3075 56325 P37T PDDL DDV # DV/VC B7 -B5 = B2 PL02D
039860,000362: 36,3076 03706 DV
039861,000363: 36,3077 77776 EXIT
039862,000364: 36,3100 07171 TC POLY
039863,000365: 36,3101 00001 DEC 1 B-14
039864,000366: 36,3102 00001 05070 2DEC 5.66240507 E-4 B-3
039865,000367: 36,3104 17527 36700 2DEC 9.79487897 E-1 B-1
039866,000368: 36,3106 47114 70670 2DEC -.388281955 B1
039867,000369: 36,3110 06006 TC INTPRET
039868,000370: 36,3111 67206 PUSH SLOAD # (1-E)**(-DV/VC)=A B3 PL04D
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Page 904 |
039870,000372: 36,3112 03076 WEIGHT/G
039871,000373: 36,3113 56205 DMP DDV # DTB=(M0/MDOT)A B16+B3-B3=B16 PL00D
039872,000374: 36,3114 41257 SL* DMP
039873,000375: 36,3115 20165 0 -12D,1
039874,000376: 36,3116 15334 CSUBT
039875,000377: 36,3117 77621 BDSU
039876,000378: 36,3120 03716 T1
039877,000379: 36,3121 03413 STORE TIG # TIG=T1-CT*DTB B28
039878,000380: 36,3122 77776 EXIT
039879,000381: 36,3123 35026 CAF V6N33RTE # DISPLAY BIASED TIG
039880,000382: 36,3124 03246 TCR P370GOF
039881,000383: 36,3125 13123 TCF -2
039882,000384: 36,3126 34772 CAF ZERO
039883,000385: 36,3127 54771 TS VHFCNT
039884,000386: 36,3130 54772 TS TRKMKCNT
039885,000387: 36,3131 06006 TC INTPRET
039886,000388: 36,3132 77624 CALL # CONICALLY INTEGRATE FROM R1,V1 OVER T12
039887,000389: 36,3133 63624 RTENCK1
039888,000390: 36,3134 53575 VLOAD UNIT # PL00D
039889,000391: 36,3135 03656 R(T2)/
039890,000392: 36,3136 74315 PDVL VXSC # UR2 B1 PL06D
039891,000393: 36,3137 03554 UR1/
039892,000394: 36,3140 33632 MCOS7.5
039893,000395: 36,3141 74315 PDVL VXSC # -UR1(COS7.5) B1 PL12D
039894,000396: 36,3142 03562 UH/
039895,000397: 36,3143 33634 MSIN7.5
039896,000398: 36,3144 50255 VAD DOT # K/=-UR1(COS7.5)-UH(SIN7.5) B2 PL00D
039897,000399: 36,3145 50015 DAD BMN
039898,000400: 36,3146 33636 MCOS22.5
039899,000401: 36,3147 75174 P37W
039900,000402: 36,3150 50375 VLOAD DOT # K/ . UR2 GR COS22.5
039901,000403: 36,3151 03562 UH/
039902,000404: 36,3152 03656 R(T2)/
039903,000405: 36,3153 71240 BMN DLOAD
039904,000406: 36,3154 75160 P37U
039905,000407: 36,3155 33640 THETA165
039906,000408: 36,3156 52006 PUSH GOTO
039907,000409: 36,3157 75162 P37V
039908,000410: 36,3160 41545 P37U DLOAD PUSH
039909,000411: 36,3161 33642 THETA210
039910,000412: 36,3162 77756 P37V SIN
039911,000413: 36,3163 16732 STODL SNTH
039912,000414: 36,3164 43146 COS CLEAR
039913,000415: 36,3165 03666 RVSW
039914,000416: 36,3166 26734 STOVL CSTH
039915,000417: 36,3167 03640 R(T1)/
039916,000418: 36,3170 26657 STOVL RVEC
039917,000419: 36,3171 03700 V2(T1)/
039918,000420: 36,3172 36746 STCALL VVEC
039919,000421: 36,3173 25002 TIMETHET
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Page 905 |
039921,000423: 36,3174 43014 P37W CLEAR CLEAR
039922,000424: 36,3175 01267 XDELVFLG
039923,000425: 36,3176 03665 NORMSW
039924,000426: 36,3177 77214 SET VLOAD
039925,000427: 36,3200 01071 FINALFLG
039926,000428: 36,3201 77626 STADR
039927,000429: 36,3202 60362 STODL RTARG
039928,000430: 36,3203 00037 T
039929,000431: 36,3204 77615 DAD
039930,000432: 36,3205 03716 T1
039931,000433: 36,3206 27656 STOVL TPASS4
039932,000434: 36,3207 03700 V2(T1)/
039933,000435: 36,3210 77451 VSU EXIT
039934,000436: 36,3211 03672 V(T1)/
039935,000437: 36,3212 34756 CAF EBANK4
039936,000438: 36,3213 54003 TS EBANK
039937,000439: 36,3214 06006 TC INTPRET
039938,000440: 36,3215 03646 STORE DELVSIN
039939,000441: 36,3216 77624 P37WW CALL
039940,000442: 36,3217 73027 VN1645
039941,000443: 36,3220 77650 GOTO
039942,000444: 36,3221 75216 P37WW
039943,000445:
039944,000446: # SUBROUTINE TO GO TO GOFLASHR AND BLANK R1
039945,000447:
039946,000448: 36,3222 00006 P37GFRB1 EXTEND
039947,000449: 36,3223 23752 QXCH SPRTEX
039948,000450: 36,3224 03232 TCR P370GOFR
039949,000451: 36,3225 34770 37BLANK CAF ONE
039950,000452: 36,3226 05516 +1 TCR BLANKET
039951,000453: 36,3227 15205 TCF ENDOFJOB
039952,000454: 36,3230 01752 TC SPRTEX # RECYCLE
039953,000455: 36,3231 13255 TCF P37PROC # PROCEED
039954,000456:
039955,000457: # SUBROUTINE TO GO TO GOFLASHR
039956,000458:
039957,000459: 36,3232 00006 P370GOFR EXTEND
039958,000460: 36,3233 23547 QXCH RTENCKEX
039959,000461: 36,3234 04636 TCR BANKCALL
039960,000462: 36,3235 21101 CADR GOFLASHR
039961,000463: 36,3236 14103 TCF GOTOPOOH # TERMINATE
039962,000464: 36,3237 13242 TCF +3
039963,000465: 36,3240 13244 TCF +4
039964,000466: 36,3241 01547 TC RTENCKEX # IMMEDIATE RETURN
039965,000467: 36,3242 51547 INDEX RTENCKEX # PROCEED
039966,000468: 36,3243 10004 TCF 0 +4
039967,000469: 36,3244 51547 INDEX RTENCKEX # RECYCLE
039968,000470: 36,3245 10003 TCF 0 +3
039969,000471:
039970,000472: # SUBROUTINE TO GO TO GOFLASH
039971,000473:
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Page 906 |
039973,000475: 36,3246 00006 P370GOF EXTEND
039974,000476: 36,3247 23752 QXCH SPRTEX
039975,000477: 36,3250 04636 TCR BANKCALL
039976,000478: 36,3251 20743 CADR GOFLASH
039977,000479: 36,3252 14103 TCF GOTOPOOH
039978,000480: 36,3253 13255 TCF +2
039979,000481: 36,3254 01752 TC SPRTEX
039980,000482: 36,3255 51752 P37PROC INDEX SPRTEX
039981,000483: 36,3256 10001 TCF 0 +1
039982,000484: 36,3257 5026 V6N33RTE = V06N33
039983,000485: 36,3257 4537 V4N06RTE = V04N06
039984,000486: 36,3257 5034 V6N61RTE = V06N61
039985,000487: 36,3257 01447 V6N39RTE VN 0639
039986,000488: 36,3260 5033 V6N60RTE = V06N60
039987,000489: 36,3260 4535 V6N81RTE = V06N81
039988,000490: 32,2000 SETLOC RTE
039989,000491: 32,2000 BANK
039990,000492: 32,2272 COUNT* $$/P37
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Page 907 |
039992,000494: # ALARM DISPLAY SUBROUTINE
039993,000495: 32,2272 77776 RTEALRM EXIT
039994,000496: 32,2273 30154 CA MPAC
039995,000497: 32,2274 05770 TC VARALARM
039996,000498: 32,2275 35023 CAF V5N09RTE
039997,000499: 32,2276 04636 TC BANKCALL
039998,000500: 32,2277 20743 CADR GOFLASH
039999,000501: 32,2300 14103 TCF GOTOPOOH
040000,000502: 32,2301 12275 TCF -4
040001,000503: 32,2302 04655 TC POSTJUMP
040002,000504: 32,2303 74476 CADR P37
040003,000505: 32,2304 5023 V5N09RTE = V05N09
040004,000506:
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Page 908 |
040006,000508: # TIME RADIUS CALLING SUBROUTINE
040007,000509:
040008,000510: # INPUT
040009,000511: # RVEC INITIAL POSITION VECTOR VECTOR B29 METERS
040010,000512: # VVEC INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
040011,000513: # RDESIRED FINAL RADIUS FOR WHICH TRANSFER TIME IS TO BE COMPUTED DP B29 METERS
040012,000514: # CONICX1 X1 SETTING FOR CONIC SUBROUTINES -2 = EARTH SP B14
040013,000515: # OUTPUT
040014,000516: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
040015,000517: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040016,000518: # T12 TRANSFER TIME TO FINAL RADIUS DP B28 CS
040017,000519:
040018,000520: 32,2304 43020 TMRAD100 STQ CLEAR
040019,000521: 32,2305 03547 RTENCKEX
040020,000522: 32,2306 03666 RVSW
040021,000523: 32,2307 67164 AXC,2 SXA,2
040022,000524: 32,2310 20000 OCT 20000
040023,000525: 32,2311 02756 SGNRDOT
040024,000526: 32,2312 45140 LXC,1 CALL
040025,000527: 32,2313 03550 CONICX1
040026,000528: 32,2314 25607 TIMERAD
040027,000529: 32,2315 27710 STOVL V(T2)/ # PL00D
040028,000530: 32,2316 77626 STADR
040029,000531: 32,2317 60121 STODL R(T2)/
040030,000532: 32,2320 00037 T
040031,000533: 32,2321 37724 STCALL T12
040032,000534: 32,2322 03547 RTENCKEX
040033,000535:
![]() |
Page 909 |
040035,000537: # DISPLAY CALCULATION SUBROUTINE
040036,000538:
040037,000539: # DESCRIPTION
040038,000540: # OUTPUT FOR DISPLAY IS CONVERTED TO PROPER UNITS AND PLACED IN OUTPUT STORAGE REGISTERS. LANDING SITE
040039,000541: # COMPUTATION FOR DETERMINING LANDING SITE LATITUDE AND LONGITUDE IS INCLUDED IN THE ROUTINE.
040040,000542:
040041,000543: # CALLING SEQUENCE
040042,000544: # L CALL
040043,000545: # L+1 RTEDISP
040044,000546:
040045,000547: # SUBROUTINES CALLED
040046,000548: # TMRAD100
040047,000549: # AUGEKUGL
040048,000550: # LAT-LONG
040049,000551:
040050,000552: # ERASABLE INITIALIZATION REQUIRED
040051,000553: # PUSHLIST
040052,000554: # NONE
040053,000555: # MPAC
040054,000556: # NONE
040055,000557: # OTHER
040056,000558: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
040057,000559: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040058,000560: # T2 FINAL TIME DP B28 CS
040059,000561: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
040060,000562: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
040061,000563: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040062,000564: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040063,000565:
040064,000566: # OUTPUT
040065,000567: # VPRED VELOCITY MAGNITUDE AT 400,000 FT. ENTRY ALTITUDE DP B7 METERS/CS
040066,000568: # T3TOT4 TRANSIT TIME TO 400,000 FT. ENTRY ALTITUDE DP B28 CS
040067,000569: # GAMMAEI FLIGHT PATH ANGLE AT 400,000 FT. ENTRY ALTITUDE DP B0 REVS + ABOVE HORIZ
040068,000570: # DELVLVC INITIAL VELOCITY CHANGE VECTOR IN LOCAL VERTICAL COORD. VECTOR B7 METERS/CS
040069,000571: # LAT(SPL) LATITUDE OF THE LANDING SITE DP B0 REVS
040070,000572: # LNG(SPL) LONGITUDE OF THE LANDING SITE DP B0 REVS
040071,000573:
040072,000574: 32,2323 77220 RTEDISP STQ VLOAD # DISPLAY
040073,000575: 32,2324 03752 SPRTEX
040074,000576: 32,2325 03710 V(T2)/
040075,000577: 32,2326 65256 UNIT PDDL
040076,000578: 32,2327 00045 36D
040077,000579: 32,2330 17757 STODL VPRED # V(T2)
040078,000580: 32,2331 03552 T2
040079,000581: 32,2332 77625 DSU
040080,000582: 32,2333 03413 SPRTETIG
040081,000583: 32,2334 26641 STOVL T3TOT4 # T21
040082,000584: 32,2335 03656 R(T2)/
040083,000585: 32,2336 50256 UNIT DOT
040084,000586: 32,2337 77752 SL1
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Page 910 |
040086,000588: 32,2340 44326 ARCCOS BDSU
040087,000589: 32,2341 15326 1RTEB2
040088,000590: 32,2342 27761 STOVL GAMMAEI # FLIGHT PATH ANGLE T2
040089,000591: 32,2343 03700 V2(T1)/
040090,000592: 32,2344 41451 VSU PUSH
040091,000593: 32,2345 03672 V(T1)/
040092,000594: 32,2346 57441 DOT DCOMP
040093,000595: 32,2347 03554 UR1/
040094,000596: 32,2350 41515 PDVL PUSH
040095,000597: 32,2351 63345 DLOAD PDVL
040096,000598: 32,2352 15330 ZERORTE
040097,000599: 32,2353 55441 DOT VDEF
040098,000600: 32,2354 03562 UH/
040099,000601: 32,2355 77772 VSL1
040100,000602: 32,2356 17405 STODL DELVLVC
040101,000603: 32,2357 03405 DELVLVC
040102,000604: 32,2360 57414 BOFF DCOMP
040103,000605: 32,2361 02741 RETROFLG
040104,000606: 32,2362 64364 RTD18
040105,000607: 32,2363 03405 STORE DELVLVC # NEGATE X COMPONENT, RETROGRADE
040106,000608: 32,2364 51575 RTD18 VLOAD ABVAL
040107,000609: 32,2365 03405 DELVLVC
040108,000610: 32,2366 27763 STOVL VGDISP
040109,000611: 32,2367 03656 R(T2)/
040110,000612: 32,2370 02657 STORE RVEC # ***** LANDING SITE COMPUTATION *****
040111,000613: 32,2371 45246 ABVAL DSU
040112,000614: 32,2372 33620 30480RTE
040113,000615: 32,2373 26760 STOVL RDESIRED
040114,000616: 32,2374 03710 V(T2)/
040115,000617: 32,2375 36746 STCALL VVEC
040116,000618: 32,2376 64304 TMRAD100 # R3,V3,T23 FROM TIMERAD
040117,000619: 32,2377 53575 VLOAD UNIT
040118,000620: 32,2400 03656 R(T2)/
040119,000621: 32,2401 53515 PDVL UNIT # UR3 PL06D
040120,000622: 32,2402 03710 V(T2)/
040121,000623: 32,2403 72441 DOT SL1 # GAMMAE=ARCSIN(UR3 . UV3) PL00D
040122,000624: 32,2404 65336 ARCSIN PDDL # V(T3) PL02D
040123,000625: 32,2405 00045 36D
040124,000626: 32,2406 51525 PDDL ABS
040125,000627: 32,2407 45006 PUSH CALL # /GAMMAE/ PL04D
040126,000628: 32,2410 64105 AUGEKUGL # PHIE PL06D
040127,000629: 32,2411 43215 DAD DAD
040128,000630: 32,2412 03724 T12 # T23
040129,000631: 32,2413 03552 T2
040130,000632: 32,2414 00003 STORE 02D # T(LS)=T2&T23&TE
040131,000633: 32,2415 53135 SLOAD BZE
040132,000634: 32,2416 03013 P37RANGE
040133,000635: 32,2417 64421 RTD22
040134,000636: 32,2420 00005 STORE 04D # OVERRIDE RANGE (PCR 261)
040135,000637: 32,2421 73545 RTD22 DLOAD SIN
![]() |
Page 911 |
040137,000639: 32,2422 00005 04D
040138,000640: 32,2423 17403 STODL LNG(SPL) # LNG(SPL)=SIN(PHIE) PL04D
040139,000641: 32,2424 77746 COS
040140,000642: 32,2425 03401 STORE LAT(SPL) # LAT(SPL)=COS(PHIE)
040141,000643: 32,2426 53575 VLOAD UNIT
040142,000644: 32,2427 03656 R(T2)/
040143,000645: 32,2430 41406 PUSH PUSH
040144,000646: 32,2431 53515 PDVL UNIT # PL22D
040145,000647: 32,2432 03710 V(T2)/
040146,000648: 32,2433 47315 PDVL VXV
040147,000649: 32,2434 53435 VXV UNIT # UH3=UNIT(UR3 X UV3 X UR3) PL10D
040148,000650: 32,2435 63361 VXSC PDVL
040149,000651: 32,2436 03403 LNG(SPL)
040150,000652: 32,2437 53361 VXSC VAD # PL04D
040151,000653: 32,2440 03401 LAT(SPL)
040152,000654: 32,2441 43014 CLEAR CLEAR # T(LS) IN MPAC
040153,000655: 32,2442 00662 ERADFLAG
040154,000656: 32,2443 01663 LUNAFLAG
040155,000657: 32,2444 16152 STODL ALPHAV # ALPHAV=UR3(COSPHIE)+UH3(SINPHIE) PL02D
040156,000658: 32,2445 77624 CALL
040157,000659: 32,2446 26453 LAT-LONG
040158,000660: 32,2447 77745 DLOAD
040159,000661: 32,2450 00747 LAT
040160,000662: 32,2451 17401 STODL LAT(SPL) # LATITUDE LANDING SITE *****
040161,000663: 32,2452 00751 LONG
040162,000664: 32,2453 37403 STCALL LNG(SPL) # LONGITUDE LANDING SITE *****
040163,000665: 32,2454 03752 SPRTEX
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Page 912 |
040165,000667: # INITIAL VECTOR SUBROUTINE
040166,000668:
040167,000669: # DESCRIPTION
040168,000670: # A PRECISION INTEGRATION OF THE STATE VECTOR TO THE TIME OF IGNITION IS PERFORMED. PRECOMPUTATIONS OCCUR.
040169,000671:
040170,000672: # CALLING SEQUENCE
040171,000673: # L CALL
040172,000674: # L+1 INVC100
040173,000675:
040174,000676: # NORMAL EXIT MODE
040175,000677: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040176,000678:
040177,000679: # ALARM EXIT MODE
040178,000680: # AT L+2 OF CALLING SEQUENCE WITH MPAC = OCTAL 612 FOR STATE VECTOR IN MOONS SPHERE OF INFLUENCE
040179,000681:
040180,000682: # SUBROUTINES CALLED
040181,000683: # CSMPREC
040182,000684:
040183,000685: # ERASABLE INITIALIZATION REQUIRED
040184,000686: # PUSHLIST
040185,000687: # NONE
040186,000688: # MPAC
040187,000689: # NONE
040188,000690: # OTHER
040189,000691: # SPRTETIG TIME OF IGNITION DP B28 CS
040190,000692: # CSM STATE VECTOR
040191,000693:
040192,000694: # OUTPUT
040193,000695: # R(T1)/ INITIAL POSITION VECTOR AT TIG VECTOR B29 METERS
040194,000696: # V(T1)/ INITIAL VELOCITY VECTOR AT TIG VECTOR B7 METERS/CS
040195,000697: # T1 INITIAL VECTOR TIME (TIG) DP B28 CS
040196,000698: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040197,000699: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040198,000700: # CFPA COSINE OF INITIAL FLIGHT PATH ANGLE DP B1
040199,000701:
040200,000702: 32,2455 71220 INVC100 STQ DLOAD
040201,000703: 32,2456 03752 SPRTEX
040202,000704: 32,2457 03413 SPRTETIG
040203,000705: 32,2460 34041 STCALL TDEC1
040204,000706: 32,2461 27145 CSMPREC # PRECISION INTEGRATION R0,V0 TO R1,V1
040205,000707: 32,2462 67175 VLOAD SXA,2
040206,000708: 32,2463 00001 RATT
040207,000709: 32,2464 03745 P(T1)
040208,000710: 32,2465 27640 STOVL R(T1)/
040209,000711: 32,2466 00007 VATT
040210,000712: 32,2467 17672 STODL V(T1)/
040211,000713: 32,2470 00015 TAT
040212,000714: 32,2471 03716 STORE T1
040213,000715: 32,2472 53135 SLOAD BZE
040214,000716: 32,2473 03746 P(T1)
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Page 913 |
040216,000718: 32,2474 64500 INVC109
040217,000719: 32,2475 52135 INVC107 SLOAD GOTO
040218,000720: 32,2476 33631 OCT612
040219,000721: 32,2477 64272 RTEALRM # R1,V1 NOT IN PROPER SPHERE OF INFLUENCE
040220,000722: 32,2500 53575 INVC109 VLOAD UNIT
040221,000723: 32,2501 03640 R(T1)/
040222,000724: 32,2502 17554 STODL UR1/ # UR1/ B1
040223,000725: 32,2503 00045 36D
040224,000726: 32,2504 27646 STOVL R(T1) # R(T1) B29
040225,000727: 32,2505 03672 V(T1)/
040226,000728: 32,2506 77656 UNIT
040227,000729: 32,2507 03562 STORE UV1/
040228,000730: 32,2510 72441 DOT SL1
040229,000731: 32,2511 03554 UR1/
040230,000732: 32,2512 03747 STORE CFPA # CFPA B1
040231,000733: 32,2513 45246 ABS DSU
040232,000734: 32,2514 33644 EPC1RTE
040233,000735: 32,2515 71240 BMN DLOAD
040234,000736: 32,2516 64525 INVC115 # NOT NEAR RECTILINEAR
040235,000737: 32,2517 15326 1RTEB2
040236,000738: 32,2520 41525 PDDL PUSH
040237,000739: 32,2521 15330 ZERORTE
040238,000740: 32,2522 41466 VDEF PUSH # N/ = (0,0,1)
040239,000741: 32,2523 77650 GOTO
040240,000742: 32,2524 64531 INVC120
040241,000743: 32,2525 47375 INVC115 VLOAD VXV
040242,000744: 32,2526 03554 UR1/
040243,000745: 32,2527 03562 UV1/
040244,000746: 32,2530 77606 PUSH # N/ = UR X UV B2
040245,000747: 32,2531 71214 INVC120 CLEAR DLOAD
040246,000748: 32,2532 02661 RETROFLG
040247,000749: 32,2533 51006 PUSH BPL
040248,000750: 32,2534 64540 INVC125
040249,000751: 32,2535 57575 VLOAD VCOMP # RETROGRADE ORBIT
040250,000752: 32,2536 43006 PUSH SET
040251,000753: 32,2537 02461 RETROFLG
040252,000754: 32,2540 77775 INVC125 VLOAD
040253,000755: 32,2541 53435 VXV UNIT
040254,000756: 32,2542 03554 UR1/
040255,000757: 32,2543 03562 STORE UH/ # UH/ B1
040256,000758: 32,2544 77650 GOTO
040257,000759: 32,2545 03752 SPRTEX
040258,000760:
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Page 914 |
040260,000762: # PRECISION TRAJECTORY COMPUTATION SUBROUTINE
040261,000763:
040262,000764: # DESCRIPTION
040263,000765: # A NUMERICALLY INTEGRATED TRAJECTORY IS GENERATED WHICH FOR THE RETURN TO EARTH PROBLEM SATISFIES THE REENTRY
040264,000766: # CONSTRAINTS (RCON AND X(T2)) ACHIEVED BY THE INITIAL CONIC TRAJECTORY AND MEETS THE DVD REQUIREMENT AS CLOSELY
040265,000767: # AS POSSIBLE.
040266,000768:
040267,000769: # CALLING SEQUENCE
040268,000770: # L CALL
040269,000771: # L+1 PREC100
040270,000772:
040271,000773: # NORMAL EXIT MODE
040272,000774: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040273,000775:
040274,000776: # ALARM EXIT MODE
040275,000777: # AT L+2 OF CALLING SEQUENCE WITH MPAC =
040276,000778: # OCTAL 605 FOR EXCESS ITERATIONS
040277,000779: # OCTAL 613 FOR REENTRY ANGLE OUT OF LIMITS
040278,000780:
040279,000781: # SUBROUTINES CALLED
040280,000782: # INTSTALL
040281,000783: # RTENCK2
040282,000784: # RTENCK3
040283,000785: # TIMERAD
040284,000786: # PARAM
040285,000787: # V2T100
040286,000788:
040287,000789: # ERASABLE INITIALIZATION REQUIRED
040288,000790: # PUSHLIST
040289,000791: # NONE
040290,000792: # MPAC
040291,000793: # NONE
040292,000794: # OTHER
040293,000795: # R(T1)/ INITIAL POSITION VECTOR VECTOR B29/B27 METERS
040294,000796: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040295,000797: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040296,000798: # T1 INITIAL VECTOR TIME DP B28 CS
040297,000799: # T12 INITIAL TO FINAL POSITION TIME DP B28 CS
040298,000800: # RCON CONIC FINAL RADIUS DP B29/B27 METERS
040299,000801: # R(T1) MAGNITUDE OF INITIAL POSITION VECTOR DP B29/B27 METERS
040300,000802: # X(T2) COTANGENT OF FINAL FLIGHT PATH ANGLE DP B0
040301,000803: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE DP B5
040302,000804: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
040303,000805: # MAMAX1 MAJOR AXIS LIMIT FOR LOWER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040304,000806: # MAMAX2 MAJOR AXIS LIMIT FOR UPPER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040305,000807: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040306,000808: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040307,000809: # BETA1 1+X(T2)**2 DP B1
040308,000810: # PHI2 PERIGEE OR APOGEE INDICATOR DP B2 -1 PERIGEE, +1 APOGEE
040309,000811:
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Page 915 |
040311,000813: # OUTPUT
040312,000814: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
040313,000815: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
040314,000816: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040315,000817: # T2 FINAL TIME DP B28 CENTISECONDS
040316,000818:
040317,000819: # DEBRIS
040318,000820: # RD FINAL R DESIRED DP B29/B27 METERS
040319,000821: # R/APRE R/A DP B6
040320,000822: # P/RPRE P/R DP B4
040321,000823: # RPRE MAGNITUDE OF R(T2)/ DP B29/B27 METERS
040322,000824: # X(T2)PRE COTANGENT OF GAMMA2 DP B0
040323,000825: # DT12 CORRECTION TO FINAL TIME T2 DP B28 CENTISECONDS
040324,000826: # RCON FINAL RADIUS DP B29/B27 METERS
040325,000827: # DRCON DELTA RCON DP B29/B27 METERS
040326,000828:
040327,000829: 32,2546 71220 PREC100 STQ DLOAD
040328,000830: 32,2547 03752 SPRTEX
040329,000831: 32,2550 33606 10RTE
040330,000832: 32,2551 17730 STODL NN1A
040331,000833: 32,2552 03636 RCON
040332,000834: 32,2553 03664 STORE RD
040333,000835: 32,2554 77745 PREC120 DLOAD
040334,000836: 32,2555 15344 2RTEB1
040335,000837: 32,2556 17650 STODL DT21PR # DT21PR = POSMAX
040336,000838: 32,2557 33604 M15RTE
040337,000839: 32,2560 37546 STCALL NN2
040338,000840: 32,2561 63652 RTENCK3
040339,000841: 32,2562 77624 PREC125 CALL
040340,000842: 32,2563 37727 PARAM
040341,000843: 32,2564 77745 DLOAD
040342,000844: 32,2565 02742 P
040343,000845: 32,2566 14033 STODL P/RPRE
040344,000846: 32,2567 02744 R1A
040345,000847: 32,2570 14035 STODL R/APRE
040346,000848: 32,2571 00041 R1
040347,000849: 32,2572 14031 STODL RPRE
040348,000850: 32,2573 03770 COGA
040349,000851: 32,2574 77661 SL
040350,000852: 32,2575 20206 5
040351,000853: 32,2576 03724 STORE X(T2)PRE
040352,000854: 32,2577 43276 DCOMP DAD
040353,000855: 32,2600 03726 X(T2)
040354,000856: 32,2601 45246 ABS DSU
040355,000857: 32,2602 33652 EPC4RTE
040356,000858: 32,2603 50000 BOV BMN
040357,000859: 32,2604 64606 PREC130
040358,000860: 32,2605 64775 PREC175
040359,000861:
040360,000862: # DESIRED REENTRY ANGLE NOT ACHIEVED
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Page 916 |
040362,000864: 32,2606 50145 PREC130 DLOAD BMN
040363,000865: 32,2607 03546 NN2
040364,000866: 32,2610 64614 PREC140
040365,000867: 32,2611 52135 PREC132 SLOAD GOTO # TOO MANY ITERATIONS
040366,000868: 32,2612 33630 OCT605 # EXIT WITH ALARM
040367,000869: 32,2613 65100 PRECX
040368,000870:
040369,000871: # DETERMINE RADIUS AT WHICH THE DESIRED REENTRY ANGLE WILL BE ACHIEVED
040370,000872:
040371,000873: 32,2614 53145 PREC140 DLOAD BZE
040372,000874: 32,2615 03730 NN1A
040373,000875: 32,2616 64654 PREC162
040374,000876: 32,2617 62545 PREC150 DLOAD SL2 # B2
040375,000877: 32,2620 00033 P/RPRE
040376,000878: 32,2621 72405 DMP SL1 # BETA2=BETA1*P/R B2 PL02
040377,000879: 32,2622 03744 BETA1
040378,000880: 32,2623 71206 PUSH DLOAD
040379,000881: 32,2624 00035 R/APRE
040380,000882: 32,2625 41212 SL4 DMP
040381,000883: 32,2626 00001 00D
040382,000884: 32,2627 50021 BDSU BMN # BETA3=1-BETA2*R/A
040383,000885: 32,2630 31771 1RTEB4
040384,000886: 32,2631 64644 PREC160
040385,000887: 32,2632 75512 PREC155 SL2 SQRT
040386,000888: 32,2633 44205 DMP BDSU
040387,000889: 32,2634 03751 PHI2
040388,000890: 32,2635 31767 1RTEB3
040389,000891: 32,2636 65301 NORM PDDL
040390,000892: 32,2637 00047 X1
040391,000893: 32,2640 56342 SR1 DDV # BETA4=BETA2/(1-PHI2*SQRT(BETA3))
040392,000894: 32,2641 52057 SL* GOTO # B1
040393,000895: 32,2642 20200 0 -1,1
040394,000896: 32,2643 64662 PREC165
040395,000897: 32,2644 60345 PREC160 DLOAD NORM
040396,000898: 32,2645 00035 R/APRE
040397,000899: 32,2646 00047 X1
040398,000900: 32,2647 53665 BDDV SL* # B1
040399,000901: 32,2650 15334 1RTEB1
040400,000902: 32,2651 20173 0 -6,1
040401,000903: 32,2652 77650 GOTO
040402,000904: 32,2653 64662 PREC165
040403,000905: 32,2654 60345 PREC162 DLOAD NORM
040404,000906: 32,2655 00031 RPRE
040405,000907: 32,2656 00047 X1
040406,000908: 32,2657 53665 BDDV SL* # BETA4=RD/RPRE B1
040407,000909: 32,2660 03664 RD
040408,000910: 32,2661 20200 0 -1,1
040409,000911: 32,2662 41401 PREC165 SETPD PUSH
040410,000912: 32,2663 00001 0
040411,000913: 32,2664 57425 DSU DCOMP
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Page 917 |
040413,000915: 32,2665 15334 1RTEB1
040414,000916: 32,2666 03755 STORE BETA12
040415,000917: 32,2667 71240 BMN DLOAD
040416,000918: 32,2670 64701 PREC168
040417,000919: 32,2671 03724 X(T2)PRE
040418,000920: 32,2672 71240 BMN DLOAD
040419,000921: 32,2673 64677 PREC167
040420,000922: 32,2674 03755 BETA12
040421,000923: 32,2675 77676 DCOMP
040422,000924: 32,2676 03755 STORE BETA12
040423,000925: 32,2677 77745 PREC167 DLOAD
040424,000926: 32,2700 03755 BETA12
040425,000927: 32,2701 45246 PREC168 ABS DSU
040426,000928: 32,2702 33654 EPC6RTE
040427,000929: 32,2703 71240 BMN DLOAD
040428,000930: 32,2704 64775 PREC175
040429,000931: 32,2705 72405 DMP SL1
040430,000932: 32,2706 00031 RPRE
040431,000933: 32,2707 77606 PUSH # RF = NEW RADIUS
040432,000934: 32,2710 43345 PREC170 DLOAD DAD
040433,000935: 32,2711 03546 NN2
040434,000936: 32,2712 33600 1RTEB28
040435,000937: 32,2713 03546 STORE NN2
040436,000938: 32,2714 43175 VLOAD SET
040437,000939: 32,2715 03656 R(T2)/
040438,000940: 32,2716 03466 RVSW
040439,000941: 32,2717 26657 STOVL RVEC
040440,000942: 32,2720 03710 V(T2)/
040441,000943: 32,2721 77765 SIGN
040442,000944: 32,2722 03755 BETA12
040443,000945: 32,2723 16746 STODL VVEC
040444,000946: 32,2724 15334 1RTEB1
040445,000947: 32,2725 57565 SIGN DCOMP
040446,000948: 32,2726 03755 BETA12
040447,000949: 32,2727 71354 LXA,2 DLOAD
040448,000950: 32,2730 00154 MPAC
040449,000951: 32,2731 67140 LXC,1 SXA,2
040450,000952: 32,2732 03550 CONICX1
040451,000953: 32,2733 02756 SGNRDOT
040452,000954: 32,2734 36760 STCALL RDESIRED # COMPUTE DT12 (CORRECTION TO TIME OF
040453,000955: 32,2735 25607 TIMERAD # NEW RADIUS)
040454,000956: 32,2736 75345 DLOAD SIGN
040455,000957: 32,2737 00037 T
040456,000958: 32,2740 03755 BETA12
040457,000959: 32,2741 60325 PDDL NORM # DT21=(PHI4)DT21 PL02D
040458,000960: 32,2742 03650 DT21PR
040459,000961: 32,2743 00047 X1
040460,000962: 32,2744 53665 BDDV SL*
040461,000963: 32,2745 00001 00D
040462,000964: 32,2746 20176 0 -3,1
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Page 918 |
040464,000966: 32,2747 50006 PUSH BMN # BETA13=(DT21)/(DT21PR) B3 PL04D
040465,000967: 32,2750 64755 PREC172
040466,000968: 32,2751 65345 DLOAD PDDL # BETA14=1 B0 PL04D
040467,000969: 32,2752 15344 2RTEB1
040468,000970: 32,2753 77650 GOTO
040469,000971: 32,2754 64757 PREC173
040470,000972: 32,2755 65345 PREC172 DLOAD PDDL # BETA14=.6 B0 PL04D
040471,000973: 32,2756 33610 M.6RTE
040472,000974: 32,2757 45271 PREC173 DDV DSU
040473,000975: 32,2760 00003 02D
040474,000976: 32,2761 31767 1RTEB3
040475,000977: 32,2762 71240 BMN DLOAD
040476,000978: 32,2763 64767 PREC174
040477,000979: 32,2764 77605 DMP
040478,000980: 32,2765 03650 DT21PR
040479,000981: 32,2766 00001 STORE 00D # DT21=(BETA14)DT21PR B28
040480,000982: 32,2767 41545 PREC174 DLOAD PUSH
040481,000983: 32,2770 00001 00D
040482,000984: 32,2771 37650 STCALL DT21PR
040483,000985: 32,2772 63634 RTENCK2
040484,000986: 32,2773 77650 GOTO
040485,000987: 32,2774 64562 PREC125
040486,000988: 32,2775 45345 PREC175 DLOAD DSU
040487,000989: 32,2776 00031 RPRE
040488,000990: 32,2777 03664 RD
040489,000991: 32,3000 51406 PUSH ABS # RPRE-RD = RERR
040490,000992: 32,3001 50025 DSU BMN
040491,000993: 32,3002 33656 EPC7RTE
040492,000994: 32,3003 35022 PREC220
040493,000995:
040494,000996: # DESIRED RADIUS HAS NOT BEEN ACHIEVED
040495,000997:
040496,000998: 32,3004 53145 DLOAD BZE
040497,000999: 32,3005 03730 NN1A
040498,001000: 32,3006 64611 PREC132 # TOO MANY ITERATIONS
040499,001001: 32,3007 53025 DSU BZE
040500,001002: 32,3010 33606 10RTE
040501,001003: 32,3011 65044 PREC207
040502,001004: 32,3012 45345 PREC205 DLOAD DSU # NOT FIRST PASS OF ITERATION
040503,001005: 32,3013 03670 RPRE,
040504,001006: 32,3014 00031 RPRE # RPRE,-RPRE B29/B27
040505,001007: 32,3015 55301 NORM BDDV
040506,001008: 32,3016 00050 X2
040507,001009: 32,3017 03666 DRCON
040508,001010: 32,3020 41457 SL* PUSH # DRCON/(RPRE,-RPRE)=S B2
040509,001011: 32,3021 57600 0 -2,2
040510,001012: 32,3022 40015 DAD BOV # S GR +4 OR LS -4
040511,001013: 32,3023 15334 1RTEB1
040512,001014: 32,3024 65031 PREC205M
040513,001015: 32,3025 45246 ABS DSU
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Page 919 |
040515,001017: 32,3026 15334 1RTEB1
040516,001018: 32,3027 77640 BMN
040517,001019: 32,3030 65034 PREC206
040518,001020: 32,3031 57545 PREC205M DLOAD DCOMP # S GR 0 OR LS -4
040519,001021: 32,3032 15344 2RTEB1
040520,001022: 32,3033 77725 PDDL # S=-4 B2
040521,001023: 32,3034 41345 PREC206 DLOAD DMP
040522,001024: 32,3035 77712 SL2
040523,001025: 32,3036 03666 STORE DRCON # DRCON=S(RERR) B29
040524,001026: 32,3037 77615 DAD
040525,001027: 32,3040 03636 RCON
040526,001028: 32,3041 03636 STORE RCON # RCON+DRCON=RCON
040527,001029: 32,3042 77650 GOTO
040528,001030: 32,3043 65063 PREC210
040529,001031: 32,3044 63545 PREC207 DLOAD DSQ # FIRST PASS OF ITERATION
040530,001032: 32,3045 03664 RD
040531,001033: 32,3046 70501 NORM SR1
040532,001034: 32,3047 00047 X1
040533,001035: 32,3050 60325 PDDL NORM
040534,001036: 32,3051 00031 RPRE
040535,001037: 32,3052 00050 X2
040536,001038: 32,3053 55260 XSU,1 BDDV
040537,001039: 32,3054 00047 X2
040538,001040: 32,3055 77657 SR*
040539,001041: 32,3056 20600 0 -1,1
040540,001042: 32,3057 03636 STORE RCON # RD**2/RPRE=RCON
040541,001043: 32,3060 77625 DSU
040542,001044: 32,3061 03664 RD
040543,001045: 32,3062 03666 STORE DRCON # RCON-RD=DRCON
040544,001046: 32,3063 77745 PREC210 DLOAD # PREPARE FOR NEXT ITERATION
040545,001047: 32,3064 00031 RPRE
040546,001048: 32,3065 17670 STODL RPRE,
040547,001049: 32,3066 03730 NN1A
040548,001050: 32,3067 77625 DSU
040549,001051: 32,3070 33600 1RTEB28
040550,001052: 32,3071 37730 STCALL NN1A
040551,001053: 32,3072 65102 V2T100
040552,001054: 32,3073 52030 BHIZ GOTO
040553,001055: 32,3074 64554 PREC120
040554,001056: 32,3075 65100 PRECX
040555,001057:
040556,001058: # DESIRED RADIUS ACHIEVED
040557,001059:
040558,001060: 16,2000 SETLOC RTE2
040559,001061: 16,2000 BANK
040560,001062: 16,3022 45345 PREC220 DLOAD DSU
040561,001063: 16,3023 03726 X(T2)
040562,001064: 16,3024 03724 X(T2)PRE
040563,001065: 16,3025 45246 ABS DSU
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Page 920 |
040565,001067: 16,3026 35035 EPC8RTE
040566,001068: 16,3027 67240 BMN SLOAD
040567,001069: 16,3030 65076 PREC225
040568,001070: 16,3031 35037 OCT613
040569,001071: 16,3032 77650 GOTO
040570,001072: 16,3033 65100 PRECX # IF REENTRY ANGLE OUT OF LIMITS
040571,001073:
040572,001074: 16,3034 00040 30447 EPC8RTE 2DEC .002
040573,001075: 16,3036 00613 OCT613 OCT 613
040574,001076:
040575,001077: # DESIRED FINAL ANGLE HAS BEEN REACHED
040576,001078:
040577,001079: 32,2000 SETLOC RTE
040578,001080: 32,2000 BANK
040579,001081: 32,3076 COUNT* $$/P37
040580,001082: 32,3076 77745 PREC225 DLOAD
040581,001083: 32,3077 15330 ZERORTE
040582,001084: 32,3100 77650 PRECX GOTO
040583,001085: 32,3101 03752 SPRTEX
040584,001086:
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Page 921 |
040586,001088: # INTEGRATION CALLING SUBROUTINE
040587,001089:
040588,001090: # DESCRIPTION
040589,001091: # PERFORMS CONIC AND PRECISION INTEGRATIONS USING SUBROUTINE INTEGRVS. THERE ARE THREE ENTRANCES (RTENCK1,
040590,001092: # RTENCK2 AND RTENCK3) FOR DIFFERENT SOURCES OF INPUT AND DIFFERENT OPTIONS. THERE IS A COMMON SET OF OUTPUT
040591,001093: # WHICH INCLUDES SET UP OF INPUT FOR THE PARAM SUBROUTINE
040592,001094:
040593,001095: # RTENCK1 (CONIC INTEGRATION)
040594,001096:
040595,001097: # CALLING SEQUENCE
040596,001098: # L CALL
040597,001099: # L+1 RTENCK1
040598,001100:
040599,001101: # ERASABLE INITIALIZATION REQUIRED
040600,001102: # SAME AS FOR THE RTENCK3 ENTRANCE
040601,001103:
040602,001104: # RTENCK2 (PRECISION INTEGRATION)
040603,001105:
040604,001106: # CALLING SEQUENCE
040605,001107: # L CALL
040606,001108: # L+1 RTENCK2
040607,001109:
040608,001110: # ERASABLE INITIALIZATION REQUIRED
040609,001111: # PUSHLIST
040610,001112: # PUSHLOC-2 INTEGRATION TIME DT12 (CORRECTION TO T2) DP B28 CS
040611,001113: # OTHER
040612,001114: # R(T2)/ FINAL POSITION VECTOR VECTOR .B29 METERS
040613,001115: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040614,001116: # T2 FINAL TIME DP B28 CS
040615,001117:
040616,001118: # RTENCK3 (PRECISION INTEGRATION)
040617,001119:
040618,001120: # CALLING SEQUENCE
040619,001121: # L CALL
040620,001122: # L+1 RTENCK3
040621,001123:
040622,001124: # ERASABLE INITIALIZATION REQUIRED
040623,001125: # R(T1)/ INITIAL POSITION VECTOR VECTOR B29 METERS
040624,001126: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 M/CS
040625,001127: # T1 INITIAL VECTOR TIME DP B28 CS
040626,001128: # T2 FINAL TIME DP B28 CS
040627,001129:
040628,001130: # EXIT MODE
040629,001131: # AT L+2 OF CALLING SEQUENCE
040630,001132: # SUBROUTINES CALLED
040631,001133: # INTSTALL
040632,001134: # INTEGRVS
040633,001135:
040634,001136: # OUTPUT
040635,001137: # PUSHLIST
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Page 922 |
040637,001139: # PUSHLOC-6 FINAL POSITION VECTOR R(T2)/ VECTOR B29 METERS
040638,001140: # X1 CONICS MUTABLE ENTRY FOR EARTH (-2) SP B14
040639,001141: # MPAC
040640,001142: # FINAL VELOCITY VECTOR V(T2)/ VECTOR B7 M/CS
040641,001143: # OTHER
040642,001144: # R(T2)/ AS IN PUSHLIST
040643,001145: # V(T2)/ AS IN MPAC
040644,001146: # T2 FINAL TIME DP B28 CS
040645,001147:
040646,001148: 31,2000 SETLOC RTE3
040647,001149: 31,2000 BANK
040648,001150: 31,3624 COUNT* $$/P37
040649,001151: 31,3624 45020 RTENCK1 STQ CALL
040650,001152: 31,3625 03547 RTENCKEX
040651,001153: 31,3626 27516 INTSTALL
040652,001154: 31,3627 43175 VLOAD SET
040653,001155: 31,3630 03640 R(T1)/
040654,001156: 31,3631 01473 INTYPFLG
040655,001157: 31,3632 77650 GOTO
040656,001158: 31,3633 63660 RTENCK3B
040657,001159:
040658,001160: 31,3634 45020 RTENCK2 STQ CALL
040659,001161: 31,3635 03547 RTENCKEX
040660,001162: 31,3636 27516 INTSTALL
040661,001163: 31,3637 77214 CLEAR VLOAD
040662,001164: 31,3640 01673 INTYPFLG
040663,001165: 31,3641 03656 R(T2)/
040664,001166: 31,3642 25535 STOVL RCV
040665,001167: 31,3643 03710 V(T2)/
040666,001168: 31,3644 15543 STODL VCV
040667,001169: 31,3645 03552 T2
040668,001170: 31,3646 01517 STORE TET
040669,001171: 31,3647 77615 DAD
040670,001172: 31,3650 77650 GOTO
040671,001173: 31,3651 63666 RTENCK3D
040672,001174:
040673,001175: 31,3652 45020 RTENCK3 STQ CALL
040674,001176: 31,3653 03547 RTENCKEX
040675,001177: 31,3654 27516 INTSTALL
040676,001178: 31,3655 43175 RTENCK3A VLOAD CLEAR
040677,001179: 31,3656 03640 R(T1)/
040678,001180: 31,3657 01673 INTYPFLG
040679,001181: 31,3660 25535 RTENCK3B STOVL RCV
040680,001182: 31,3661 03700 V2(T1)/
040681,001183: 31,3662 15543 STODL VCV
040682,001184: 31,3663 03716 T1
040683,001185: 31,3664 15517 STODL TET
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Page 923 |
040685,001187: 31,3665 03552 T2
040686,001188: 31,3666 00041 RTENCK3D STORE TDEC1
040687,001189: 31,3667 45014 CLEAR CALL
040688,001190: 31,3670 00263 MOONFLAG
040689,001191: 31,3671 27211 INTEGRVS
040690,001192: 31,3672 77775 VLOAD
040691,001193: 31,3673 00001 RATT
040692,001194: 31,3674 03656 STORE R(T2)/
040693,001195: 31,3675 70125 PDDL LXC,1
040694,001196: 31,3676 00015 TAT
040695,001197: 31,3677 03550 CONICX1
040696,001198: 31,3700 27552 STOVL T2
040697,001199: 31,3701 00007 VATT
040698,001200: 31,3702 03710 STORE V(T2)/
040699,001201: 31,3703 77650 GOTO
040700,001202: 31,3704 03547 RTENCKEX
040701,001203: 32,2000 SETLOC RTE
040702,001204: 32,2000 BANK
040703,001205: 32,3102 COUNT* $$/P37
040704,001206:
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Page 924 |
040706,001208: # V2(T1) COMPUTATION SUBROUTINE
040707,001209:
040708,001210: # DESCRIPTION
040709,001211: # A POST IMPULSE VELOCITY VECTOR (V2(T1)) IS COMPUTED WHICH EITHER
040710,001212: # (1) MEETS THE INPUT VELOCITY CHANGE DESIRED (RTEDVD) IN A MINIMUM TIME OR
040711,001213: # (2) IF A VELOCITY CHANGE ISN:T SPECIFIED (RTEDVD) = 0), A V2(T1) IS COMPUTED WHICH MINIMIZES THE IMPULSE (DV)
040712,001214: # AND CONSEQUENTLY FUEL.
040713,001215:
040714,001216: # CALLING SEQUENCE
040715,001217: # L CALL
040716,001218: # L+1 V2T100
040717,001219:
040718,001220: # NORMAL EXIT MODE
040719,001221: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040720,001222:
040721,001223: # ALARM EXIT MODE
040722,001224: # AT L+2 OF CALLING SEQUENCE WITH MPAC = OCTAL 605 FOR EXCESS ITERATIONS
040723,001225:
040724,001226: # SUBROUTINES CALLED
040725,001227: # GAMDV10
040726,001228: # XT1LIM
040727,001229: # DVCALC
040728,001230:
040729,001231: # ERASABLE INITIALIZATION REQUIRED
040730,001232: # PUSHLIST
040731,001233: # NONE
040732,001234: # MPAC
040733,001235: # NONE
040734,001236: # OTHER
040735,001237: # R(T1) MAGNITUDE OF INITIAL POSITION VECTOR DP B29/B27 METERS
040736,001238: # RCON MAGNITUDE OF FINAL POSITION VECTOR DP B29/B27 METERS
040737,001239: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040738,001240: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
040739,001241: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040740,001242: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040741,001243: # X(T2) COTANGENT OF FINAL FLIGHT PATH ANGLE DP B0
040742,001244: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE(INPUT FOR PREC) DP B5
040743,001245: # CFPA COSINE OF INITIAL FLIGHT PATH ANGLE DP B1
040744,001246: # MAMAX1 MAJOR AXIS LIMIT FOR LOWER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040745,001247: # MAMAX2 MAJOR AXIS LIMIT FOR UPPER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040746,001248: # PHI2 REENTRY NEAR PERIGEE OR APOGEE INDICATE (RTE ONLY) DP B2 -1 PERIGEE, +1 APOGEE
040747,001249: # N1 CONIC OR PRECISION ITERATION COUNTER DP B28 NEGATIVE CONIC, PLUS PREC
040748,001250:
040749,001251: # OUTPUT
040750,001252: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040751,001253: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
040752,001254: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE (POST IMPULSE) DP B5
040753,001255: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
040754,001256: # BETA1 1+X(T2)**2 DP B1
040755,001257:
![]() |
Page 925 |
040757,001259: # DEBRIS
040758,001260: # PUSHLIST
040759,001261: # 00D X(T1),,=PREVIOUS PRECISION X(T1) DP B5
040760,001262: # 02D THETA1=BETA5*LAMBDA-1 TP B17
040761,001263: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
040762,001264: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
040763,001265: # 10D X(T1)MIN=LOWER BOUND ON X(T1) IN GAMDV ITERATOR DP B5
040764,001266: # 12D DX(T1)MAX=MAXIMUM DELTA X(T1) DP B5
040765,001267: # 14D X(T1)MAX=UPPER BOUND ON X(T1) IN GAMDV ITERATOR DP B5
040766,001268: # 16D DX(T1)=ITERATOR INCREMENT DP B5
040767,001269: # 31D GAMDV10 SUBROUTINE RETURN ADDRESS
040768,001270: # 32D DVCALC SUBROUTINE RETURN ADDRESS
040769,001271: # 33D V2T100 SUBROUTINE RETURN ADDRESS
040770,001272:
040771,001273: 32,3102 71220 V2T100 STQ DLOAD
040772,001274: 32,3103 00041 33D
040773,001275: 32,3104 03636 RCON
040774,001276: 32,3105 45240 BMN DSU # ABORT IF RCON NEGATIVE
040775,001277: 32,3106 65112 V2TERROR
040776,001278: 32,3107 03646 R(T1)
040777,001279: 32,3110 77640 BMN
040778,001280: 32,3111 65115 V2T101
040779,001281: 32,3112 77776 V2TERROR EXIT # OR IF LAMBDA LESS THAN ONE
040780,001282: 32,3113 05726 TC POODOO # NO SOLUTION IF LAMBDA LESS THAN 1
![]() |
Different than comanche55 ... smc |
040782,001284: 32,3114 20610 OCT 20610
040783,001285:
040784,001286: 32,3115 43001 V2T101 SETPD CLEAR
040785,001287: 32,3116 00001 0 # PL00D
040786,001288: 32,3117 00272 F2RTE
040787,001289: 32,3120 60345 DLOAD NORM
040788,001290: 32,3121 03636 RCON
040789,001291: 32,3122 00047 X1
040790,001292: 32,3123 60325 PDDL NORM
040791,001293: 32,3124 03646 R(T1)
040792,001294: 32,3125 00051 S1
040793,001295: 32,3126 00013 STORE 10D
040794,001296: 32,3127 56342 SR1 DDV # R1/RCON = LAMBDA B1
040795,001297: 32,3130 65260 XSU,1 PDDL # PL02D
040796,001298: 32,3131 00050 S1
040797,001299: 32,3132 03726 X(T2)
040798,001300: 32,3133 77716 DSQ
040799,001301: 32,3134 43342 SR1 DAD
040800,001302: 32,3135 15334 1RTEB1
040801,001303: 32,3136 03744 STORE BETA1 # 1+X(T2)**2 = BETA1 B1
040802,001304: 32,3137 77605 DMP
040803,001305: 32,3140 00001 00D
040804,001306: 32,3141 00035 STORE 28D # BETAI*LAMBDA = BETA5
040805,001307: 32,3142 53605 DMP SL*
040806,001308: 32,3143 00001 00D
040807,001309: 32,3144 20172 0 -7,1
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Page 926 |
040809,001311: 32,3145 45257 SL* DSU
040810,001312: 32,3146 20172 0 -7,1
040811,001313: 32,3147 33574 1RTEB17
040812,001314: 32,3150 65234 RTB PDDL # BETA5*LAMBDA-1 = THETA1 B17 PL05D
040813,001315: 32,3151 45657 TPMODE
040814,001316: 32,3152 15334 1RTEB1
040815,001317: 32,3153 57457 SR* DCOMP
040816,001318: 32,3154 20601 0,1
040817,001319: 32,3155 41215 DAD DMP
040818,001320: 32,3156 00001 00D
040819,001321: 32,3157 03646 R(T1)
040820,001322: 32,3160 47057 SL* RTB
040821,001323: 32,3161 20172 0 -7D,1
040822,001324: 32,3162 45657 TPMODE
040823,001325: 32,3163 77725 PDDL # 2*R(T1)*(LAMBDA-1)=THETA2 B38/B36 PL08D
040824,001326: 32,3164 33674 RTMURTE
040825,001327: 32,3165 70501 NORM SR1
040826,001328: 32,3166 00050 X2
040827,001329: 32,3167 56264 XSU,2 DDV
040828,001330: 32,3170 00050 S1
040829,001331: 32,3171 00013 10D
040830,001332: 32,3172 65257 SR* PDDL # MU**.5/R(T1)=THETA3 B-4/B-5 PL10D
040831,001333: 32,3173 57170 6,2
040832,001334: 32,3174 03652 MAMAX1
040833,001335: 32,3175 41406 PUSH PUSH # MAMAX1=MA
040834,001336: 32,3176 77624 CALL
040835,001337: 32,3177 65741 XT1LIM
040836,001338: 32,3200 41476 DCOMP PUSH # X(T1)MIN B5 PL12D
040837,001339: 32,3201 40476 DCOMP SR4
040838,001340: 32,3202 41525 PDDL PUSH # DX(T1)MAX B5 PL14D
040839,001341: 32,3203 03654 MAMAX2
040840,001342: 32,3204 45006 PUSH CALL
040841,001343: 32,3205 65741 XT1LIM
040842,001344: 32,3206 50125 PDDL BMN # X(T1)MAX B5 PL16D
040843,001345: 32,3207 03730 NN1A
040844,001346: 32,3210 65213 V2T102
040845,001347: 32,3211 77650 GOTO
040846,001348: 32,3212 65225 V2T110
040847,001349:
040848,001350: # PROCEED HERE IF NOT PRECISION COMPUTATION
040849,001351:
040850,001352: 32,3213 77745 V2T102 DLOAD
040851,001353: 32,3214 03632 RTEDVD
040852,001354: 32,3215 52054 BZE GOTO
040853,001355: 32,3216 65220 V2T105
040854,001356: 32,3217 65321 V2T140
040855,001357: 32,3220 50145 V2T105 DLOAD BMN
040856,001358: 32,3221 03747 CFPA
040857,001359: 32,3222 65321 V2T140
040858,001360: 32,3223 77650 GOTO
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Page 927 |
040860,001362: 32,3224 65327 V2T145
040861,001363:
040862,001364: # DURING A PRECISION TRAJECTORY ITERATION CONSTRAIN THE INDEPENDENT
040863,001365: # VARIABLE TO INSURE THAT ALL CONICS PASS THROUGH RCON ON THE SAME PASS
040864,001366: # THROUGH X(T2)
040865,001367:
040866,001368: 32,3225 47145 V2T110 DLOAD RTB
040867,001369: 32,3226 33574 1RTEB17
040868,001370: 32,3227 45657 TPMODE
040869,001371: 32,3230 65276 DCOMP PDDL # -1 B17 PL19D
040870,001372: 32,3231 15344 2RTEB1
040871,001373: 32,3232 45257 SR* DSU
040872,001374: 32,3233 20601 0,1
040873,001375: 32,3234 00001 00D
040874,001376: 32,3235 53605 DMP SL*
040875,001377: 32,3236 00035 28D
040876,001378: 32,3237 20172 0 -7,1
040877,001379: 32,3240 76257 SL* TAD
040878,001380: 32,3241 20172 0 -7,1
040879,001381: 32,3242 65234 RTB PDDL # BETA5(2-LAMBDA)-1=BETA6 B17 PL19D
040880,001382: 32,3243 45657 TPMODE
040881,001383: 32,3244 03722 X(T1)
040882,001384: 32,3245 00001 STORE 00D # X(T1),, B5
040883,001385: 32,3246 77751 TLOAD # PL16D
040884,001386: 32,3247 53040 BMN BZE
040885,001387: 32,3250 65255 V2T115
040886,001388: 32,3251 65255 V2T115
040887,001389: 32,3252 52061 SL GOTO
040888,001390: 32,3253 20210 7
040889,001391: 32,3254 65266 V2T120
040890,001392: 32,3255 50145 V2T115 DLOAD BMN
040891,001393: 32,3256 03751 PHI2
040892,001394: 32,3257 65277 V2T125
040893,001395: 32,3260 77676 DCOMP
040894,001396: 32,3261 17751 STODL PHI2
040895,001397: 32,3262 33606 10RTE
040896,001398: 32,3263 03730 STORE NN1A
040897,001399: 32,3264 77650 GOTO
040898,001400: 32,3265 65277 V2T125
040899,001401: 32,3266 47166 V2T120 SQRT RTB
040900,001402: 32,3267 45765 DPMODE
040901,001403: 32,3270 50125 PDDL BMN # BETA6**.5=X(T1)LIM B5 PL18D
040902,001404: 32,3271 03751 PHI2
040903,001405: 32,3272 65305 V2T130
040904,001406: 32,3273 45545 DLOAD STADR # PL16D
040905,001407: 32,3274 77760 STORE 14D # X(T1)LIM = X(T1)MAX
040906,001408: 32,3275 77676 DCOMP
040907,001409: 32,3276 00013 STORE 10D # -X(T1)LIM = X(T1)MIN
040908,001410: 32,3277 53145 V2T125 DLOAD BZE
040909,001411: 32,3300 03722 X(T1)
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Page 928 |
040911,001413: 32,3301 65321 V2T140
040912,001414: 32,3302 52040 BMN GOTO
040913,001415: 32,3303 65321 V2T140
040914,001416: 32,3304 65327 V2T145
040915,001417: 32,3305 53145 V2T130 DLOAD BZE
040916,001418: 32,3306 03722 X(T1)
040917,001419: 32,3307 65316 V2T135
040918,001420: 32,3310 71240 BMN DLOAD # PL16D
040919,001421: 32,3311 65316 V2T135
040920,001422: 32,3312 77626 STADR
040921,001423: 32,3313 77764 STORE 10D # X(T1)LIM = X(T1)MIN
040922,001424: 32,3314 77650 GOTO
040923,001425: 32,3315 65327 V2T145
040924,001426: 32,3316 57545 V2T135 DLOAD DCOMP # PL16D
040925,001427: 32,3317 77626 STADR
040926,001428: 32,3320 77760 STORE 14D # -X(T1)LIM = X(T1)MAX
040927,001429: 32,3321 77745 V2T140 DLOAD
040928,001430: 32,3322 00013 10D
040929,001431: 32,3323 17722 STODL X(T1) # X(T1)MIN = X(T1)
040930,001432: 32,3324 00015 12D
040931,001433: 32,3325 52006 PUSH GOTO # DX(T1)MAX = DX(T1) PL18D
040932,001434: 32,3326 65334 V2T150
040933,001435: 32,3327 77745 V2T145 DLOAD
040934,001436: 32,3330 00017 14D
040935,001437: 32,3331 17722 STODL X(T1) # X(T1)MAX = X(T1)
040936,001438: 32,3332 00015 12D
040937,001439: 32,3333 41476 DCOMP PUSH # -DX(T1)MAX = DX(T1) PL18D
040938,001440: 32,3334 77624 V2T150 CALL # GOTO X(T1)-DV ITERATOR
040939,001441: 32,3335 65464 GAMDV10
040940,001442: 32,3336 53145 DLOAD BZE # EXIT IF MINIMUM FUEL MODE
040941,001443: 32,3337 03632 RTEDVD
040942,001444: 32,3340 65462 V2T1X
040943,001445:
040944,001446: # CONTINUE IF TIME CRITICAL MODE
040945,001447:
040946,001448: 32,3341 50025 DSU BMN
040947,001449: 32,3342 03706 DV
040948,001450: 32,3343 65346 V2T155
040949,001451: 32,3344 77650 GOTO
040950,001452: 32,3345 65401 V2T175
040951,001453: 32,3346 50145 V2T155 DLOAD BMN
040952,001454: 32,3347 03730 NN1A
040953,001455: 32,3350 65353 V2T160
040954,001456: 32,3351 77650 GOTO
040955,001457: 32,3352 65423 V2T185
040956,001458:
040957,001459: # CONIC TRAJECTORY COMPUTATION
040958,001460:
040959,001461: 32,3353 53145 V2T160 DLOAD BZE
040960,001462: 32,3354 03722 X(T1)
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Page 929 |
040962,001464: 32,3355 65361 V2T165
040963,001465: 32,3356 52040 BMN GOTO
040964,001466: 32,3357 65361 V2T165
040965,001467: 32,3360 65460 V2T300
040966,001468: 32,3361 53145 V2T165 DLOAD BZE
040967,001469: 32,3362 03747 CFPA
040968,001470: 32,3363 65460 V2T300
040969,001471: 32,3364 71240 BMN DLOAD
040970,001472: 32,3365 65460 V2T300
040971,001473: 32,3366 00017 14D
040972,001474: 32,3367 17722 STODL X(T1) # X(T1)MAX=X(T1)
040973,001475: 32,3370 00015 12D
040974,001476: 32,3371 77676 DCOMP
040975,001477: 32,3372 34021 STCALL 16D # -DX(T1)MAX=DX(T1)
040976,001478: 32,3373 65464 GAMDV10
040977,001479: 32,3374 45345 DLOAD DSU
040978,001480: 32,3375 03632 RTEDVD
040979,001481: 32,3376 03706 DV
040980,001482: 32,3377 77640 BMN
040981,001483: 32,3400 65460 V2T300
040982,001484: 32,3401 71214 V2T175 SET DLOAD
040983,001485: 32,3402 00072 F2RTE
040984,001486: 32,3403 03722 X(T1)
040985,001487: 32,3404 77614 BOFF
040986,001488: 32,3405 02742 SLOWFLG
040987,001489: 32,3406 65413 V2T177
040988,001490: 32,3407 14013 STODL 10D # X(T1)MIN
040989,001491: 32,3410 00015 12D # DX(T1)MAX
040990,001492: 32,3411 77650 GOTO
040991,001493: 32,3412 65416 V2T179
040992,001494: 32,3413 14017 V2T177 STODL 14D
040993,001495: 32,3414 00015 12D
040994,001496: 32,3415 77676 DCOMP
040995,001497: 32,3416 34021 V2T179 STCALL 16D # DX(T1)
040996,001498: 32,3417 65464 GAMDV10
040997,001499: 32,3420 50145 DLOAD BMN
040998,001500: 32,3421 03730 NN1A
040999,001501: 32,3422 65460 V2T300
041000,001502:
041001,001503: # PREVENT A LARGE CHANGE IN INDEPENDENT VARIABLE DURING AN ITERATION FOR A
041002,001504: # PRECISION TRAJECTORY
041003,001505:
041004,001506: 32,3423 45345 V2T185 DLOAD DSU
041005,001507: 32,3424 03722 X(T1)
041006,001508: 32,3425 00001 00D
041007,001509: 32,3426 65246 ABS PDDL # /X(T1)-X(T1),,/ = BETA7
041008,001510: 32,3427 00015 12D
041009,001511: 32,3430 44352 SL1 BDSU
041010,001512: 32,3431 71240 BMN DLOAD
041011,001513: 32,3432 65460 V2T300
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Page 930 |
041013,001515: 32,3433 00001 00D # CONTINUE IF BETA7 LARGER THAN 2DX(T1)MAX
041014,001516: 32,3434 03722 STORE X(T1) # X(T1),, = X(T1)
041015,001517: 32,3435 50025 DSU BMN
041016,001518: 32,3436 00017 14D
041017,001519: 32,3437 65445 V2T195
041018,001520: 32,3440 77745 DLOAD
041019,001521: 32,3441 00017 14D
041020,001522: 32,3442 03722 STORE X(T1) # X(T1)MAX = X(T1)
041021,001523: 32,3443 77650 GOTO
041022,001524: 32,3444 65456 V2T205
041023,001525: 32,3445 45345 V2T195 DLOAD DSU
041024,001526: 32,3446 03722 X(T1)
041025,001527: 32,3447 00013 10D
041026,001528: 32,3450 52040 BMN GOTO
041027,001529: 32,3451 65453 V2T200
041028,001530: 32,3452 65456 V2T205
041029,001531: 32,3453 77745 V2T200 DLOAD
041030,001532: 32,3454 00013 10D
041031,001533: 32,3455 03722 STORE X(T1) # X(T1)MIN = X(T1)
041032,001534: 32,3456 77624 V2T205 CALL
041033,001535: 32,3457 65665 DVCALC
041034,001536: 32,3460 77745 V2T300 DLOAD
041035,001537: 32,3461 15330 ZERORTE
041036,001538: 32,3462 77650 V2T1X GOTO
041037,001539: 32,3463 00041 33D
041038,001540:
![]() |
Page 931 |
041040,001542: # X(T1)-DV ITERATOR SUBROUTINE
041041,001543:
041042,001544: # DESCRIPTION
041043,001545: # COMPUTES A POST IMPULSE VELOCITY VECTOR (V2(T1)) WHICH REQUIRES A MINIMUM DV.
041044,001546:
041045,001547: # CALLING SEQUENCE
041046,001548: # L CALL
041047,001549: # L+1 GAMDV10
041048,001550:
041049,001551: # NORMAL EXIT MODE
041050,001552: # AT L+2 OF CALLING SEQUENCE
041051,001553:
041052,001554: # ALARM EXIT MODE
041053,001555: # AT V2T1X WITH MPAC = OCTAL 605 FOR EXCESS ITERATIONS
041054,001556:
041055,001557: # SUBROUTINES CALLED
041056,001558: # DVCALC
041057,001559:
041058,001560: # ERASABLE INITIALIZATION REQUIRED
041059,001561: # PUSHLIST
041060,001562: # 02D THETA1=BETA5*LAMBDA-1 TP B17
041061,001563: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
041062,001564: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
041063,001565: # 10D X(T1)MIN=LOWER BOUND ON INDEPENDENT VARIABLE X(T1) DP B5
041064,001566: # 12D DX(T1)MAX=MAXIMUM DX(T1) DP B5
041065,001567: # 14D X(T1)MAX=UPPER BOUND ON INDEPENDENT VARIABLE X(T1) DP B5
041066,001568: # 16D DX(T1)=ITERATOR INCREMENT DP B5
041067,001569: # MPAC
041068,001570: # NONE
041069,001571: # OTHER
041070,001572: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
041071,001573: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
041072,001574: # UR1/ UNIT INITIAL VECTOR VECTOR B1
041073,001575: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
041074,001576: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE (FROM VERTICAL) DP B5
041075,001577: # F2RTE TIME CRITICAL OR MINIMUM FUEL MODE INDICATOR STATE AREA 0 MIN. FUEL, 1 MIN. TIME
041076,001578:
041077,001579: # OUTPUT
041078,001580: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
041079,001581: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
041080,001582: # X(T1) COTANGENT OF INITIAL FPA MEASURED FROM VERTICAL DP B5
041081,001583: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
041082,001584:
041083,001585: # DEBRIS
041084,001586: # PUSHLIST
041085,001587: # 00D X(T1),,
041086,001588: # 02D THETA1
041087,001589: # 05D THETA2
041088,001590: # 08D THETA3
041089,001591: # 10D X(T1)MIN
041090,001592: # 12D DX(T1)MAX
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Page 932 |
041092,001594: # 14D X(T1)MAX
041093,001595: # 16D DX(T1)
041094,001596: # 22D DV,=PREVIOUS DV DP B7/B5
041095,001597: # 24D BETA9=X(T1)+1.1DX(T1) DP B5
041096,001598: # 31D GAMDV10 SUBROUTINE RETURN ADDRESS
041097,001599: # 32D DVCALC SUBROUTINE RETURN ADDRESS
041098,001600: # 33D V2T100 SUBROUTINE RETURN ADDRESS
041099,001601:
041100,001602: 32,3464 77620 GAMDV10 STQ
041101,001603: 32,3465 00037 31D
041102,001604: 32,3466 45001 SETPD CALL
041103,001605: 32,3467 00023 18D # PL18D
041104,001606: 32,3470 65665 DVCALC
041105,001607: 32,3471 45345 DLOAD DSU
041106,001608: 32,3472 00017 14D
041107,001609: 32,3473 00013 10D
041108,001610: 32,3474 77600 BOV
041109,001611: 32,3475 65515 GAMDV20
041110,001612: 32,3476 45206 PUSH DSU # X(T1)MAX-X(T1)MIN=BETA8 B5 PL20D
041111,001613: 32,3477 33576 EPC9RTE
041112,001614: 32,3500 71240 BMN DLOAD
041113,001615: 32,3501 65663 GAMDVX # BOUNDS CLOSE TOGETHER
041114,001616: 32,3502 00023 18D
041115,001617: 32,3503 50025 DSU BMN # BETA8-DX(T1)MAX
041116,001618: 32,3504 00015 12D
041117,001619: 32,3505 65511 GAMDV15
041118,001620: 32,3506 52001 SETPD GOTO # PL18D
041119,001621: 32,3507 00023 18D
041120,001622: 32,3510 65515 GAMDV20
041121,001623: 32,3511 77745 GAMDV15 DLOAD # PL18D
041122,001624: 32,3512 70565 SIGN SR1
041123,001625: 32,3513 00021 16D
041124,001626: 32,3514 00021 STORE 16D # BETA8(SIGNDX(T1))/2=DX(T1)
041125,001627: 32,3515 77745 GAMDV20 DLOAD
041126,001628: 32,3516 33602 M144RTE
041127,001629: 32,3517 03546 STORE NN2
041128,001630: 32,3520 43345 GAMDV25 DLOAD DAD
041129,001631: 32,3521 03546 NN2
041130,001632: 32,3522 33600 1RTEB28
041131,001633: 32,3523 67240 BMN SLOAD
041132,001634: 32,3524 65530 GAMDV30
041133,001635: 32,3525 33630 OCT605
041134,001636: 32,3526 77650 GOTO
041135,001637: 32,3527 65462 V2T1X
041136,001638: 32,3530 03546 GAMDV30 STORE NN2 # NN2=NN2+1
041137,001639: 32,3531 65345 DLOAD PDDL # X(T1)=X(T1), B5 PL20D
041138,001640: 32,3532 03722 X(T1)
041139,001641: 32,3533 03706 DV
041140,001642: 32,3534 43325 PDDL DAD # DV=DV, B7/B5 PL22D
041141,001643: 32,3535 03722 X(T1)
041142,001644: 32,3536 00021 16D
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Page 933 |
041144,001646: 32,3537 37722 STCALL X(T1) # X(T1)+DX(T1)=X(T1) B5
041145,001647: 32,3540 65665 DVCALC
041146,001648: 32,3541 71214 BON DLOAD
041147,001649: 32,3542 00312 F2RTE
041148,001650: 32,3543 65557 GAMDV35
041149,001651: 32,3544 03706 DV
041150,001652: 32,3545 50025 DSU BMN # CONTINUE IF FUEL CRITICAL MODE
041151,001653: 32,3546 00025 20D
041152,001654: 32,3547 65554 GAMDV33
041153,001655: 32,3550 57545 GAMDV32 DLOAD DCOMP
041154,001656: 32,3551 00021 16D
041155,001657: 32,3552 77742 SR1
041156,001658: 32,3553 00021 STORE 16D
041157,001659: 32,3554 52001 GAMDV33 SETPD GOTO
041158,001660: 32,3555 00023 18D # PL18D
041159,001661: 32,3556 65622 GAMDV50
041160,001662:
041161,001663: # TIME CRITICAL MODE
041162,001664:
041163,001665: 32,3557 45345 GAMDV35 DLOAD DSU
041164,001666: 32,3560 03632 RTEDVD
041165,001667: 32,3561 03706 DV
041166,001668: 32,3562 41525 PDDL PUSH # DVD-DV=DVERR B7/B5 PL22D
041167,001669: 32,3563 51545 GAMDV40 DLOAD ABS # DV, PL24D
041168,001670: 32,3564 00025 20D
041169,001671: 32,3565 50025 DSU BMN
041170,001672: 32,3566 33660 EPC10RTE
041171,001673: 32,3567 65663 GAMDVX
041172,001674: 32,3570 71204 GAMDV45 BOVB DLOAD
041173,001675: 32,3571 57544 TCDANZIG # ASSURE OVFIND IS 0
041174,001676: 32,3572 60221 BDSU NORM
041175,001677: 32,3573 03706 DV
041176,001678: 32,3574 00050 X2
041177,001679: 32,3575 77725 PDDL # DV-DV, B7/B5-N2 PL22D
041178,001680: 32,3576 70501 NORM SR1 # DVERR B8/B6-N1
041179,001681: 32,3577 00047 X1
041180,001682: 32,3600 65271 DDV PDDL # DVERR/ DV - DV
041181,001683: 32,3601 41221 BDSU DMP # PL18D
041182,001684: 32,3602 03722 X(T1)
041183,001685: 32,3603 77660 XSU,1
041184,001686: 32,3604 00047 X2
041185,001687: 32,3605 00021 STORE 16D # PRESERVE SIGN IF OVERFLOW
041186,001688: 32,3606 40057 SR* BOV
041187,001689: 32,3607 20600 0 -1,1
041188,001690: 32,3610 65616 GAMDV47
041189,001691: 32,3611 00021 STORE 16D # (X(T1)-X(T1),)DVERR/(DV-DV,)=DX(T1)
041190,001692: 32,3612 45246 ABS DSU
041191,001693: 32,3613 00015 12D
041192,001694: 32,3614 77640 BMN
041193,001695: 32,3615 65622 GAMDV50
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Page 934 |
041195,001697: 32,3616 75345 GAMDV47 DLOAD SIGN
041196,001698: 32,3617 00015 12D
041197,001699: 32,3620 00021 16D
041198,001700: 32,3621 00021 STORE 16D # DX(T1)MAX(SIGNDX(T1))=DX(T1)
041199,001701:
041200,001702: # CHECK TO KEEP INDEPENDENT VARIABLE IN BOUNDS
041201,001703:
041202,001704: 32,3622 41345 GAMDV50 DLOAD DMP
041203,001705: 32,3623 00021 16D
041204,001706: 32,3624 33612 1.1RTEB1
041205,001707: 32,3625 43352 SL1 DAD
041206,001708: 32,3626 03722 X(T1)
041207,001709: 32,3627 00031 STORE 24D # X(T1)+1.1DX(T1)=BETA9 B5
041208,001710: 32,3630 50025 DSU BMN
041209,001711: 32,3631 00017 14D
041210,001712: 32,3632 65641 GAMDV55
041211,001713: 32,3633 45345 DLOAD DSU
041212,001714: 32,3634 00017 14D
041213,001715: 32,3635 03722 X(T1)
041214,001716: 32,3636 77742 SR1
041215,001717: 32,3637 34021 STCALL 16D # (X(T1)MAX-X(T1))/2=DX(T1) B5
041216,001718: 32,3640 65654 GAMDV65
041217,001719: 32,3641 45345 GAMDV55 DLOAD DSU
041218,001720: 32,3642 00031 24D
041219,001721: 32,3643 00013 10D
041220,001722: 32,3644 52040 BMN GOTO
041221,001723: 32,3645 65647 GAMDV60
041222,001724: 32,3646 65654 GAMDV65
041223,001725: 32,3647 45345 GAMDV60 DLOAD DSU
041224,001726: 32,3650 00013 10D
041225,001727: 32,3651 03722 X(T1)
041226,001728: 32,3652 77742 SR1
041227,001729: 32,3653 00021 STORE 16D # (X(T1)MIN-X(T1))/2=DX(T1) B5
041228,001730: 32,3654 51545 GAMDV65 DLOAD ABS
041229,001731: 32,3655 00021 16D
041230,001732: 32,3656 50025 DSU BMN
041231,001733: 32,3657 33576 EPC9RTE
041232,001734: 32,3660 65663 GAMDVX
041233,001735: 32,3661 77650 GOTO
041234,001736: 32,3662 65520 GAMDV25
041235,001737: 32,3663 77650 GAMDVX GOTO
041236,001738: 32,3664 00037 31D
041237,001739:
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Page 935 |
041239,001741: # DV CALCULATION SUBROUTINE
041240,001742:
041241,001743: # INPUT
041242,001744: # PUSHLIST
041243,001745: # 02D THETA1=BETA5*LAMBDA-1 TP B17
041244,001746: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
041245,001747: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
041246,001748: # OTHER
041247,001749: # X(T1) COTANGENT OF POST IMPULSE INITIAL FLIGHT PATH ANGLE DP B5
041248,001750: # V(T1)/ INITIAL VELOCITY VECTOR (PRE IMPULSE) VECTOR B7/B5 METERS/CS
041249,001751: # UR1/ UNIT INITIAL VECTOR VECTOR B1
041250,001752: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
041251,001753:
041252,001754: # OUTPUT
041253,001755: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
041254,001756: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
041255,001757: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
041256,001758:
041257,001759: # DEBRIS
041258,001760: # 28D THETA3*PCON**.5 DP B10/B8-N1
041259,001761: # C(PUSLOC) THETA3(PCON**.5)*X(T1)*UR1/ VECTOR B7/B5
041260,001762: # 32D DVCALC SUBROUTINE RETURN ADDRESS
041261,001763: # X1 NORMALIZATION FACTOR FOR VALUE IN 28D
041262,001764:
041263,001765: # PUSHLOC IS RESTORED TO ITS ENTRANCE VALUE UPON EXITING DVCALC
041264,001766:
041265,001767: 32,3665 71220 DVCALC STQ DLOAD
041266,001768: 32,3666 00040 32D
041267,001769: 32,3667 03722 X(T1)
041268,001770: 32,3670 54316 DSQ SR
041269,001771: 32,3671 20610 7
041270,001772: 32,3672 76276 DCOMP TAD
041271,001773: 32,3673 00003 02D
041272,001774: 32,3674 41501 NORM PUSH
041273,001775: 32,3675 00047 X1
041274,001776: 32,3676 60351 TLOAD NORM
041275,001777: 32,3677 00006 05D
041276,001778: 32,3700 00050 X2
041277,001779: 32,3701 70434 RTB SR1
041278,001780: 32,3702 45765 DPMODE
041279,001781: 32,3703 56264 XSU,2 DDV
041280,001782: 32,3704 00046 X1
041281,001783: 32,3705 77657 SR*
041282,001784: 32,3706 57170 6,2
041283,001785: 32,3707 03720 STORE PCON # THETA2/(THETA1-X(T1)**2)=PCON B28/26
041284,001786: 32,3710 41366 SQRT DMP
041285,001787: 32,3711 00011 08D
041286,001788: 32,3712 77701 NORM
041287,001789: 32,3713 00047 X1
041288,001790: 32,3714 14035 STODL 28D # THETA3*PCON**.5 B10/B8 -N1
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Page 936 |
041290,001792: 32,3715 03722 X(T1)
041291,001793: 32,3716 74301 NORM VXSC
041292,001794: 32,3717 00050 X2
041293,001795: 32,3720 03554 UR1/ # X(T1)*UR1/ B5+B1 -N2
041294,001796: 32,3721 74274 XAD,2 VXSC
041295,001797: 32,3722 00046 X1
041296,001798: 32,3723 00035 28D
041297,001799: 32,3724 63257 VSR* PDVL # THETA3(PCON**.5)X(T1)*UR1/ B7/B5
041298,001800: 32,3725 57207 0 -9D,2 # +
041299,001801: 32,3726 03562 UH/
041300,001802: 32,3727 53761 VXSC VSR* # THETA3(PCON**.5)UH/ B7/B5
041301,001803: 32,3730 00035 28D
041302,001804: 32,3731 20575 0 -4,1 # =
041303,001805: 32,3732 45455 VAD STADR
041304,001806: 32,3733 74077 STORE V2(T1)/ # V2(T1)/ B7/B5
041305,001807: 32,3734 51451 VSU ABVAL
041306,001808: 32,3735 03672 V(T1)/
041307,001809: 32,3736 03706 STORE DV # ABVAL(V2(T1)/-V1(T)/)=DV B7/B5
041308,001810: 32,3737 77650 GOTO
041309,001811: 32,3740 00040 32D
041310,001812:
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Page 937 |
041312,001814: # SUBROUTINE TO COMPUTE BOUNDS ON INDEPENDENT VARIABLE X(T1)
041313,001815:
041314,001816: # INPUT
041315,001817: # PUSHLIST
041316,001818: # PUSHLOC -4 MAJOR AXIS (MA) DP B30/B28
041317,001819: # PUSHLOC -2 MAJOR AXIS (MA) AGAIN DP B30/B28
041318,001820: # 28D BETA5=LAMBDA*BETA1 DP B9
041319,001821: # OTHER
041320,001822: # RCON DP B29/B27
041321,001823: # R(T1) DP B29/B27
041322,001824:
041323,001825: # OUTPUT
041324,001826: # MPAC
041325,001827: # X(T1)LIM LIMIT ON INDEPENDENT VARIABLE X(T1) DP B5
041326,001828:
041327,001829: # DEBRIS
041328,001830: # PUSHLIST
041329,001831: # C(PUSHLOC) MA-RCON DP (B30/28)-N1
041330,001832: # C(PSHLOC)+2 MA DP B30/B28
041331,001833: # X1 NORMALIZATION FACTOR FOR MA-RCON
041332,001834: # 20D XT1LIM SUBROUTINE RETURN ADDRESS
041333,001835: # PUSHLOC IS RESTORED TO ITS ENTRANCE VALUE UPON EXITING XT1LIM
041334,001836:
041335,001837: 32,3741 71220 XT1LIM STQ DLOAD
041336,001838: 32,3742 00024 20D
041337,001839: 32,3743 03636 RCON
041338,001840: 32,3744 44342 SR1 BDSU
041339,001841: 32,3745 65301 NORM PDDL # MA-RCON B30-N1
041340,001842: 32,3746 00050 X2
041341,001843: 32,3747 70525 PDDL SR1
041342,001844: 32,3750 03646 R(T1)
041343,001845: 32,3751 56221 BDSU DDV
041344,001846: 32,3752 41257 SL* DMP
041345,001847: 32,3753 57601 0 -3,2
041346,001848: 32,3754 00035 28D
041347,001849: 32,3755 45257 SL* DSU # BETA10=BETA5(MA-RT)/(MA-RC)-1 B11
041348,001850: 32,3756 20173 0 -6,1
041349,001851: 32,3757 33577 1RTEB25 +1 # 1.0 B-11
041350,001852: 32,3760 40152 SL1 BOV # B10
041351,001853: 32,3761 65765 XT1LIM2
041352,001854: 32,3762 52040 BMN GOTO
041353,001855: 32,3763 65771 XT1LIM5
041354,001856: 32,3764 65767 XT1LIM3
041355,001857: 32,3765 77745 XT1LIM2 DLOAD # BETA10=POSMAX IF OVERFLOW
041356,001858: 32,3766 15344 2RTEB1
041357,001859: 32,3767 52166 XT1LIM3 SQRT GOTO # X(T1)=SQRT(BETA10) B5
041358,001860: 32,3770 65773 XT1LIMX
041359,001861: 32,3771 77745 XT1LIM5 DLOAD
041360,001862: 32,3772 15330 ZERORTE
041361,001863: 32,3773 77650 XT1LIMX GOTO
041362,001864: 32,3774 00024 20D
041363,001865:
![]() |
Page 938 |
041365,001867: # CONSTANTS FOR THE P37 AND P70 PROGRAMS AND SUBROUTINES
041366,001868:
041367,001869: 35,2000 SETLOC RTECON1
041368,001870: 35,2000 BANK
041369,001871:
041370,001872: 35,3571 COUNT* $$/P37
041371,001873: 35,3571 26,3333 1RTEB1 = UNITX
041372,001874: 35,3571 26,3325 1RTEB2 = DP1/4TH
041373,001875: 35,3571 34,3766 1RTEB3 = DP2(-3)
041374,001876: 35,3571 34,3770 1RTEB4 = DP2(-4)
041375,001877: 35,3571 00002 00000 1RTEB13 2DEC 1. B-13
041376,001878: 35,3573 00000 04000 1RTEB17 2DEC 1. B-17
041377,001879: 35,3575 00000 00010 1RTEB25 2DEC 1. B-25
041378,001880: # * * B25 AND B28 MUST BE CONSECUTIVE * *
041379,001881: 35,3577 00000 00001 1RTEB28 2DEC 1. B-28
041380,001882: 35,3601 26,3327 ZERORTE = UNITZ
041381,001883: 35,3601 77777 77557 M144RTE 2DEC -144. B-28
041382,001884: 35,3603 77777 77760 M15RTE 2DEC -15 B-28
041383,001885: 35,3605 00000 00012 10RTE 2DEC 10 B-28
041384,001886: 35,3607 54631 63145 M.6RTE 2DEC -.6
041385,001887: 35,3611 21463 06315 1.1RTEB1 2DEC 1.1 B-1
041386,001888: 35,3613 26,3343 2RTEB1 = DPPOSMAX
041387,001889: 35,3613 77777 77766 M9RTEB28 2DEC -9 B-28
041388,001890: 35,3615 77777 77767 M8RTEB28 2DEC -8 B-28
041389,001891: 35,3617 00000 35610 30480RTE 2DEC 30480. B-29
041390,001892: 35,3621 37405 12250 VCSPS 2DEC 31.510396 B-5 # (SEE 2VEXHUST)
041391,001893: 35,3623 33041 37714 VCRCS 2DEC 27.0664 B-5
041392,001894: 35,3625 00003 13241 MDOTRCS 2DEC .0016375 B-3
041393,001895: 35,3627 26,3333 CSUBT = UNITX
041394,001896: 35,3627 00605 OCT605 OCT 00605
041395,001897: 35,3630 00612 OCT612 OCT 00612
041396,001898: 35,3631 40214 45266 MCOS7.5 2DEC -.99144486
041397,001899: 35,3633 73645 56536 MSIN7.5 2DEC -.13052619
![]() |
Page 939 |
041399,001901: 35,3635 70467 71205 MCOS22.5 2DEC -.92387953 B-2
041400,001902: 35,3637 16525 12525 THETA165 2DEC .458333333
041401,001903: 35,3641 22525 12525 THETA210 2DEC .583333333
041402,001904: 35,3643 17775 06676 EPC1RTE 2DEC .99966 B-1
041403,001905: 35,3645 00000 00062 EPC2RTE 2DEC 100. B-29
041404,001906: 35,3647 00020 14223 EPC3RTE 2DEC .001
041405,001907: 35,3651 00000 05174 EPC4RTE 2DEC .00001
041406,001908: 35,3653 00000 01654 EPC6RTE 2DEC .000007 B-1
041407,001909: 35,3655 00000 00764 EPC7RTE 2DEC 1000. B-29
041408,001910: 35,3657 35,3575 EPC9RTE = 1RTEB25
041409,001911: 35,3657 00000 00322 EPC10RTE 2DEC .0001 B-7
041410,001912:
041411,001913: 35,3661 BANK 35
041412,001914: 35,2000 SETLOC RTECON1
041413,001915: 35,2000 BANK
041414,001916: 35,3661 COUNT* $$/P37
041415,001917: 35,3661 75725 75417 C4RTE 2DEC -6.986643 E7 B-30
041416,001918: 35,3663 00325 23740 K1RTE 2DEC 7. E6 B-29
041417,001919: 35,3665 00306 06614 K2RTE 2DEC 6495000. B-29
041418,001920: 35,3667 76027 70156 K3RTE 2DEC -.06105
041419,001921: 35,3671 74517 54131 K4RTE 2DEC -.10453
041420,001922: 35,3673 30276 05001 RTMURTE 2DEC 199650.501 B-18
041421,001923: 35,3675 00003 27040 E3RTE 2DEC 121920. B-29
End of include-file P37,P70.agc. Parent file is MAIN.agc