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.
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. |
039508,000002: ## Copyright: Public domain.
039509,000003: ## Filename: P37_P70.agc
039510,000004: ## Purpose: Part of the source code for Artemis (i.e., Colossus 3),
039511,000005: ## build 072. This is for the Command Module's (CM)
039512,000006: ## Apollo Guidance Computer (AGC), for
039513,000007: ## Apollo 15-17.
039514,000008: ## Assembler: yaYUL
039515,000009: ## Contact: Steve Case <case1780@adelphia.net>
039516,000010: ## Website: www.ibiblio.org/apollo/index.html
039517,000011: ## Page Scans: www.ibiblio.org/apollo/ScansForConversion/Artemis072/
039518,000012: ## Mod history: 2009-09-01 SMC Adapted from Comanche055 files.
039519,000013: ## 2009-09-03 JL Fixed symbol names, page metadata.
039520,000014: ## 2009-09-04 JL Fixed typo.
039521,000015: ## 2009-09-08 JL Fixed typos.
039522,000016: ## 2010-02-01 JL Fixed build errors.
039523,000017: ## 2010-02-13 JL Fixed error on p905.
039524,000018: ## 2010-02-20 RSB Un-##'d this header.
039525,000019: ## 2010-04-11 JL Add missing comment characters.
039526,000020: ## 2017-01-28 RSB WTIH -> WITH.
039527,000021: ## 2017-02-08 RSB Proofed comment text by diff'ing vs Comanche 55
039528,000022: ## and corrected errors found.
039529,000023: ## 2021-05-30 ABS Added missing COUNT* line.
039530,000024:
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Page 897 |
039532,000026: 36,2000 SETLOC RTE1
039533,000027: 36,2000 BANK
039534,000028:
039535,000029: 36,2476 E7,1631 EBANK= RTEDVD
039536,000030: 36,2476 COUNT* $$/P37
039537,000031:
039538,000032: # PROGRAM DESCRIPTION - P37, RETURN TO EARTH
039539,000033:
039540,000034: # DESCRIPTION
039541,000035: # A RETURN TO EARTH TRAJECTORY IS COMPUTED PROVIDED THE CSM IS OUTSIDE THE LUNAR SPHERE OF INFLUENCE AT THE
039542,000036: # TIME OF IGNITION. INITIALLY A CONIC TRAJECTORY IS DETERMINED AND RESULTING IGNITION AND REENTRY PARAMETERS ARE
039543,000037: # DISPLAYED TO THE ASTRONAUT. THEN IF THE ASTRONAUT SO DESIRES, A PRECISION TRAJECTORY IS DETERMINED WITH THE
039544,000038: # RESULTING IGNITION AND REENTRY PARAMETERS DISPLAYED. UPON FINAL ACCEPTANCE BY THE ASTRONAUT, THE PROGRAM
039545,000039: # COMPUTES AND STORES THE TARGET PARAMETERS FOR RETURN TO EARTH FOR USE BY SPS PROGRAM (P40) OR RCS PROGRAM (P41).
039546,000040:
039547,000041: # CALLING SEQUENCE
039548,000042: # L TC P37
039549,000043:
039550,000044: # SUBROUTINES CALLED
039551,000045: # PREC100
039552,000046: # V2T100
039553,000047: # RTENCK2
039554,000048: # RTENCK3
039555,000049: # TIMERAD
039556,000050: # PARAM
039557,000051: # V2T100
039558,000052: # GAMDV10
039559,000053: # XT1LIM
039560,000054: # DVCALC
039561,000055: # RTENCK1
039562,000056: # INTSTALL
039563,000057: # INTEGRVS
039564,000058: # RTEVN
039565,000059: # RTEDISP
039566,000060: # TMRAD100
039567,000061: # AUGEKUGL
039568,000062: # LAT-LONG
039569,000063: # TMRAD100
039570,000064: # TIMERAD
039571,000065: # INVC100
039572,000066: # CSMPREC
039573,000067: # GETERAD
039574,000068: # TIMETHET
039575,000069: # P370ALRM
039576,000070: # VN1645
039577,000071: # POLY
039578,000072:
039579,000073: # ERASABLE INITIALIZATION REQUIRED
039580,000074: # CSM STATE VECTOR
039581,000075: # NJETSFLG NUMBER OF JETS IF THE RCS PROPULSION SYSTEM SELECTED STATE FLAG 0=4 JETS 1=2 JETS
039582,000076:
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Page 898 |
039584,000078: # ASTRONAUT INPUT
039585,000079: # SPRTETIG TIME OF IGNITION (OVERLAYS TIG) DP B28 CS
039586,000080: # VPRED DESIRED CHANGE IN VELOCITY AT TIG(PROGRM COMPUTED IF 0) DP B7 METERS/CS
039587,000081: # GAMMAEI DESIRED FLIGHT PATH ANGLE AT REENTRY (COMPUTED IF 0) DP B0 REVS + ABOVE HORIZ.
039588,000082: # OPTION2 PROPULSION SYSTEM OPTION SP B14 1=SPS, 2=RCS
039589,000083:
039590,000084: # OUTPUT
039591,000085: # CONIC OR PRECISION TRAJECTORY DISPLAY
039592,000086: # VPRED VELOCITY MAGNITUDE AT 400,000 FT. ENTRY ALTITUDE DP B7 METERS/CS
039593,000087: # T3TOT4 TRANSIT TIME TO 400,000 FT. ENTRY ALTITUDE DP B28 CS
039594,000088: # GAMMAEI FLIGHT PATH ANGLE AT 400,000 FT. ENTRY ALTITUDE DP B0 REVS + ABOVE HORIZON
039595,000089: # DELVLVC INITIAL VELOCITY CHANGE VECTOR IN LOCAL VERTICAL COORD. VECTOR B7 METERS/CS
039596,000090: # LAT(SPL) LATITUDE OF THE LANDING SITE DP B0 REVS
039597,000091: # LNG(SPL) LONGITUDE OF THE LANDING SITE DP B0 REVS
039598,000092: # TARGETING COMPUTATION DISPLAY
039599,000093: # TIG RECOMPUTED TIG BASED ON THRUST OPTION DP B28 CS
039600,000094: # TTOGO TIME FROM TIG DP B28 CS
039601,000095: # +MGA POSITIVE MIDDLE GIMBAL ANGLE DP B0 REVS -.02 IF REFSMFLG=0
039602,000096: # THRUST PROGRAM COMMUNICATION
039603,000097: # XDELVFLG EXTERNAL DELTA V FLAG STATE FLAG SET 0 FOR LAMBERT AIMPT
039604,000098: # NORMSW LAMBERT AIMPT ROTATION SWITCH STATE FLAG SET 0 FOR NO ROTATION
039605,000099: # ECSTEER CROSS PRODUCT STEERING CONSTANT SP B2 SET 1
039606,000100: # RTARG CONICALLY INTEGRATED REENTRY POSITION VECTOR VECTOR B29 METERS
039607,000101: # TPASS4 REENTRY TIME DP B28 CS
039608,000102:
039609,000103: 36,2476 05402 P37 TC PHASCHNG # P37 IS NOT RESTARTABLE.
039610,000104: 36,2477 00004 OCT 4
039611,000105:
039612,000106: 36,2500 06006 TC INTPRET
039613,000107: 36,2501 66170 AXT,1 SXA,1
039614,000108: 36,2502 04000 OCT 04000
039615,000109: 36,2503 03424 ECSTEER
039616,000110: 36,2504 77745 DLOAD
039617,000111: 36,2505 15336 ZEROVECS
039618,000112: 36,2506 03757 STORE VPRED
039619,000113: 36,2507 03761 STORE GAMMAEI
039620,000114: 36,2510 77776 EXIT
039621,000115: 36,2511 35026 CAF V6N33RTE # INPUT TIG STORED IN SPRTETIG
039622,000116: 36,2512 03246 TCR P370GOF # OVERLAYED WITH TIG
039623,000117: 36,2513 12511 TCF -2 # DESPLAY NEW DATA
039624,000118: 36,2514 35033 CAF V6N60RTE # INPUT REENTRY ANGLE IN GAMMAEI
039625,000119: 36,2515 03222 TCR P37GFRB1 # AND DESIRED DELTA V IN RTEDVD
039626,000120: 36,2516 12514 TCF -2 # DISPLAY NEW DATA
039627,000121: 36,2517 06006 RTE299 TC INTPRET
039628,000122: 36,2520 71331 SSP DLOAD
039629,000123: 36,2521 00122 OVFIND
039630,000124: 36,2522 00000 0
039631,000125: 36,2523 03757 VPRED
039632,000126: 36,2524 17632 STODL RTEDVD
039633,000127: 36,2525 03761 GAMMAEI
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Page 899 |
039635,000129: 36,2526 17634 STODL RTEGAM2D
039636,000130: 36,2527 33572 1RTEB13
039637,000131: 36,2530 17551 STODL CONICX1
039638,000132: 36,2531 33662 C4RTE
039639,000133: 36,2532 37652 STCALL MAMAX1
039640,000134: 36,2533 64455 INVC100 # GET R(T1)/,V(T1)/,UR1/,UH/
039641,000135: 36,2534 71214 CLEAR DLOAD
039642,000136: 36,2535 02662 SLOWFLG
039643,000137: 36,2536 03632 RTEDVD
039644,000138: 36,2537 51444 BPL ABS
039645,000139: 36,2540 74550 RTE317
039646,000140: 36,2541 03632 STORE RTEDVD
039647,000141: 36,2542 45345 DLOAD DSU
039648,000142: 36,2543 03646 R(T1)
039649,000143: 36,2544 33664 K1RTE
039650,000144: 36,2545 43040 BMN SET
039651,000145: 36,2546 74550 RTE317
039652,000146: 36,2547 02462 SLOWFLG
039653,000147: 36,2550 77545 RTE317 DLOAD EXIT
039654,000148: 36,2551 03646 R(T1)
039655,000149: 36,2552 07171 TC POLY
039656,000150: 36,2553 00002 DEC 2 B-14
039657,000151: 36,2554 02544 35436 2DEC 181000434. B-31
039658,000152: 36,2556 14040 05066 2DEC 1.50785145 B-2
039659,000153: 36,2560 44052 60030 2DEC* -6.49993057 E-9 B27*
039660,000154: 36,2562 26415 25057 2DEC* 9.76938926 E-18 B56*
039661,000155: 36,2564 06006 TC INTPRET
039662,000156: 36,2565 77752 SL1
039663,000157: 36,2566 17654 STODL MAMAX2 # C0+C1*R+C2*R**2+C3*R**3=MAMAX2 B30
039664,000158: 36,2567 33614 M9RTEB28
039665,000159: 36,2570 17730 STODL NN1A
039666,000160: 36,2571 33666 K2RTE
039667,000161: 36,2572 17636 RTE320 STODL RCON # RCON=K2
039668,000162: 36,2573 03634 RTEGAM2D
039669,000163: 36,2574 44254 BZE BDSU
039670,000164: 36,2575 74604 RTE340 # GOTORTE340 IF REENTRY ANGLE NOT INPUT
039671,000165: 36,2576 15326 1RTEB2
039672,000166: 36,2577 71406 PUSH COS # PL02D
039673,000167: 36,2600 73525 PDDL SIN
039674,000168: 36,2601 45465 BDDV STADR # PL00D
039675,000169: 36,2602 40051 STCALL X(T2) # X(T2)=COT(GAM2D) B0
039676,000170: 36,2603 74617 RTE360
039677,000171: 36,2604 45345 RTE340 DLOAD DSU
039678,000172: 36,2605 03646 R(T1)
039679,000173: 36,2606 33664 K1RTE
039680,000174: 36,2607 71240 BMN DLOAD
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Page 900 |
039682,000176: 36,2610 74614 RTE350
039683,000177: 36,2611 33672 K4RTE
039684,000178: 36,2612 37726 STCALL X(T2) # X(T2)=K4
039685,000179: 36,2613 74617 RTE360
039686,000180: 36,2614 77745 RTE350 DLOAD
039687,000181: 36,2615 33670 K3RTE
039688,000182: 36,2616 03726 STORE X(T2) # X(T2)=K3
039689,000183: 36,2617 77624 RTE360 CALL
039690,000184: 36,2620 65102 V2T100
039691,000185: 36,2621 52054 BZE GOTO
039692,000186: 36,2622 74624 RTE367
039693,000187: 36,2623 64272 RTEALRM
039694,000188: 36,2624 77775 RTE367 VLOAD
039695,000189: 36,2625 03640 R(T1)/
039696,000190: 36,2626 16657 STODL RVEC
039697,000191: 36,2627 03636 RCON
039698,000192: 36,2630 26760 STOVL RDESIRED
039699,000193: 36,2631 03700 V2(T1)/
039700,000194: 36,2632 36746 STCALL VVEC
039701,000195: 36,2633 64304 TMRAD100
039702,000196: 36,2634 77615 DAD
039703,000197: 36,2635 03716 T1
039704,000198: 36,2636 17552 STODL T2
039705,000199: 36,2637 03634 RTEGAM2D
039706,000200: 36,2640 52054 BZE GOTO
039707,000201: 36,2641 74643 RTE369
039708,000202: 36,2642 74665 RTE372
039709,000203: 36,2643 51575 RTE369 VLOAD ABVAL
039710,000204: 36,2644 03710 V(T2)/
039711,000205: 36,2645 77776 EXIT
039712,000206: 36,2646 07171 TC POLY
039713,000207: 36,2647 00002 DEC 2 B-14
039714,000208: 36,2650 00000 00000 2DEC 0 B-28
039715,000209: 36,2652 47021 65002 2DEC -4.8760771 E-2 B4
039716,000210: 36,2654 35610 07722 2DEC 4.5419476 E-4 B11
039717,000211: 36,2656 63772 63276 2DEC -1.4317675 E-6 B18
039718,000212: 36,2660 06006 TC INTPRET
039719,000213: 36,2661 77615 DAD
039720,000214: 36,2662 01343 RTED1
039721,000215: 36,2663 52052 SL3 GOTO # X(T2),=D1+D2V2+D3V2**2+D4V2**3
039722,000216: 36,2664 74667 RTE373
039723,000217: 36,2665 77745 RTE372 DLOAD # X(T2),=X(T2)
039724,000218: 36,2666 03726 X(T2)
039725,000219: 36,2667 41425 RTE373 DSU PUSH # X(T2)ERR B0 PL02D
039726,000220: 36,2670 03726 X(T2)
039727,000221: 36,2671 53575 VLOAD UNIT
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Page 901 |
039729,000223: 36,2672 03656 R(T2)/ # B58
039730,000224: 36,2673 36152 STCALL ALPHAV
039731,000225: 36,2674 26570 GETERAD
039732,000226: 36,2675 77615 DAD
039733,000227: 36,2676 33676 E3RTE
039734,000228: 36,2677 45206 PUSH DSU # RCON,=(E1/(1+E2BETA11)**.5)+E3 B29 PL04D
039735,000229: 36,2700 03636 RCON
039736,000230: 36,2701 45246 ABS DSU
039737,000231: 36,2702 33646 EPC2RTE
039738,000232: 36,2703 52040 BMN GOTO
039739,000233: 36,2704 74706 RTE374
039740,000234: 36,2705 74713 RTE375
039741,000235: 36,2706 51545 RTE374 DLOAD ABS
039742,000236: 36,2707 00001 00D
039743,000237: 36,2710 50025 DSU BMN
039744,000238: 36,2711 33650 EPC3RTE
039745,000239: 36,2712 74763 P37E
039746,000240: 36,2713 43345 RTE375 DLOAD DAD
039747,000241: 36,2714 03730 NN1A
039748,000242: 36,2715 33600 1RTEB28
039749,000243: 36,2716 67240 BMN SLOAD
039750,000244: 36,2717 74723 RTE380
039751,000245: 36,2720 33630 OCT605
039752,000246: 36,2721 77650 GOTO
039753,000247: 36,2722 64272 RTEALRM # TOO MANY ITERATIONS
039754,000248: 36,2723 03730 RTE380 STORE NN1A
039755,000249: 36,2724 53025 DSU BZE
039756,000250: 36,2725 33616 M8RTEB28
039757,000251: 36,2726 74744 RTE385
039758,000252: 36,2727 45345 DLOAD DSU
039759,000253: 36,2730 00001 00D
039760,000254: 36,2731 03666 DRCON
039761,000255: 36,2732 65301 NORM PDDL # X(T2)ERR-X(T2)ERR,=Z1 PL06D
039762,000256: 36,2733 00047 X1
039763,000257: 36,2734 03670 RPRE,
039764,000258: 36,2735 56225 DSU DDV # X(T2)PRI-X(T2)=Z2 PL04D
039765,000259: 36,2736 03726 X(T2)
039766,000260: 36,2737 53605 DMP SL* # DX(T2)=X(T2)ERR(Z2/Z1)
039767,000261: 36,2740 00001 00D
039768,000262: 36,2741 20201 0,1
039769,000263: 36,2742 77650 GOTO
039770,000264: 36,2743 74746 RTE390
039771,000265: 36,2744 77745 RTE385 DLOAD # DX(T2)=X(T2)ERR
039772,000266: 36,2745 00001 00D
039773,000267: 36,2746 14021 RTE390 STODL 16D # DX(T2) PL02D
039774,000268: 36,2747 77626 STADR
039775,000269: 36,2750 60141 STODL RCON # RCON=RCON,
039776,000270: 36,2751 77600 BOV
039777,000271: 36,2752 74617 RTE360
039778,000272: 36,2753 17666 STODL DRCON # X(T2)ERR,=X(T2)ERR
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Page 902 |
039780,000274: 36,2754 03726 X(T2)
039781,000275: 36,2755 17670 STODL RPRE, # X(T2)PRI=X(T2)
039782,000276: 36,2756 00021 16D
039783,000277: 36,2757 77615 DAD
039784,000278: 36,2760 03726 X(T2)
039785,000279: 36,2761 37726 STCALL X(T2) # X(T2)=X(T2)+DX(T2)
039786,000280: 36,2762 74617 RTE360 # REITERATE
039787,000281: 36,2763 77624 P37E CALL # DISPLAY CONIC SOLUTION
039788,000282: 36,2764 75007 RTEVN
039789,000283: 36,2765 41345 RTE505 DLOAD DMP
039790,000284: 36,2766 03720 PCON
039791,000285: 36,2767 03744 BETA1
039792,000286: 36,2770 53021 BDSU BZE
039793,000287: 36,2771 03636 RCON
039794,000288: 36,2772 75000 RTE510
039795,000289: 36,2773 71240 BMN DLOAD
039796,000290: 36,2774 75000 RTE510
039797,000291: 36,2775 15326 1RTEB2
039798,000292: 36,2776 77650 GOTO # ENTRY NEAR APOGEE
039799,000293: 36,2777 75002 RTE515
039800,000294: 36,3000 57545 RTE510 DLOAD DCOMP # ENTRY NEAR PERIGEE
039801,000295: 36,3001 15326 1RTEB2
039802,000296: 36,3002 37751 RTE515 STCALL PHI2
039803,000297: 36,3003 64546 PREC100 # PRECISION TRAJECTORY COMPUTATION
039804,000298: 36,3004 52054 RTE625 BZE GOTO
039805,000299: 36,3005 75035 P37G
039806,000300: 36,3006 64272 RTEALRM
039807,000301:
039808,000302: # RETURN TO EARTH DISPLAY SUBROUTINE
039809,000303:
039810,000304: 36,3007 45020 RTEVN STQ CALL
039811,000305: 36,3010 03753 VNSTORE
039812,000306: 36,3011 64323 RTEDISP # DISPLAY PREPARATION
039813,000307: 36,3012 77776 EXIT
039814,000308: 36,3013 35034 CAF V6N61RTE # LATITUDE,LONGITUDE,BLANK
039815,000309: 36,3014 03232 TCR P370GOFR # IN LAT(SPL),LNG(SPL),-
039816,000310: 36,3015 34766 CAF FOUR
039817,000311: 36,3016 03226 TCR 37BLANK +1
039818,000312: 36,3017 13024 TCF +5
039819,000313: 36,3020 12476 TCF P37 # RECYCLE
039820,000314: 36,3021 33257 CAF V6N39RTE # T21 HRS,MIN,SEC IN T3TOT4
039821,000315: 36,3022 03246 TCR P370GOF
039822,000316: 36,3023 12476 TCF P37 # RECYCLE
039823,000317: 36,3024 35033 CAF V6N60RTE # DISPLAY BLANK,V(T2),FPA2
039824,000318: 36,3025 03222 TCR P37GFRB1 # IN -,VPRED,GAMMAEI
039825,000319: 36,3026 12476 TCF P37 # RECYCLE
039826,000320: 36,3027 34535 CAF V6N81RTE # DISPLAY DELTA V (LV) IN DELVLVC
039827,000321: 36,3030 03246 TCR P370GOF
039828,000322: 36,3031 12476 TCF P37 # RECYCLE
039829,000323: 36,3032 06006 TCR INTPRET
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Page 903 |
039831,000325: 36,3033 77650 GOTO
039832,000326: 36,3034 03753 VNSTORE
039833,000327:
039834,000328: # PRECISION DISPLAY, TARGETING COMPUTATION AND RTE END PROCESSING
039835,000329:
039836,000330: 36,3035 77624 P37G CALL
039837,000331: 36,3036 75007 RTEVN
039838,000332: 36,3037 77776 EXIT
039839,000333: 36,3040 34774 P37N CAF SEVEN
039840,000334: 36,3041 54775 TS OPTION1
039841,000335: 36,3042 34770 CAF ONE
039842,000336: 36,3043 54776 TS OPTION2
039843,000337: 36,3044 34537 CAF V4N06RTE # DISPLAY RCS OR SPS OPTION SPS ASSUMED
039844,000338: 36,3045 03246 TCR P370GOF
039845,000339: 36,3046 13044 TCF -2 # RECYCLE
039846,000340: 36,3047 06006 TC INTPRET # PROCEED
039847,000341: 36,3050 67201 SETPD SLOAD
039848,000342: 36,3051 00001 00D
039849,000343: 36,3052 00777 OPTION2
039850,000344: 36,3053 53025 DSU BZE
039851,000345: 36,3054 33572 1RTEB13
039852,000346: 36,3055 75064 P37Q
039853,000347: 36,3056 60335 SLOAD NORM # SPS
039854,000348: 36,3057 01351 EMDOT
039855,000349: 36,3060 00047 X1
039856,000350: 36,3061 52125 PDDL GOTO
039857,000351: 36,3062 33622 VCSPS
039858,000352: 36,3063 75075 P37T
039859,000353: 36,3064 43145 P37Q DLOAD BON # RCS
039860,000354: 36,3065 33626 MDOTRCS
039861,000355: 36,3066 00700 NJETSFLG
039862,000356: 36,3067 75071 P37R
039863,000357: 36,3070 77752 SL1
039864,000358: 36,3071 77752 P37R SL1
039865,000359: 36,3072 65301 NORM PDDL
039866,000360: 36,3073 00047 X1
039867,000361: 36,3074 33624 VCRCS
039868,000362: 36,3075 56325 P37T PDDL DDV # DV/VC B7 -B5 = B2 PL02D
039869,000363: 36,3076 03706 DV
039870,000364: 36,3077 77776 EXIT
039871,000365: 36,3100 07171 TC POLY
039872,000366: 36,3101 00001 DEC 1 B-14
039873,000367: 36,3102 00001 05070 2DEC 5.66240507 E-4 B-3
039874,000368: 36,3104 17527 36700 2DEC 9.79487897 E-1 B-1
039875,000369: 36,3106 47114 70670 2DEC -.388281955 B1
039876,000370: 36,3110 06006 TC INTPRET
039877,000371: 36,3111 67206 PUSH SLOAD # (1-E)**(-DV/VC)=A B3 PL04D
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Page 904 |
039879,000373: 36,3112 03076 WEIGHT/G
039880,000374: 36,3113 56205 DMP DDV # DTB=(M0/MDOT)A B16+B3-B3=B16 PL00D
039881,000375: 36,3114 41257 SL* DMP
039882,000376: 36,3115 20165 0 -12D,1
039883,000377: 36,3116 15334 CSUBT
039884,000378: 36,3117 77621 BDSU
039885,000379: 36,3120 03716 T1
039886,000380: 36,3121 03413 STORE TIG # TIG=T1-CT*DTB B28
039887,000381: 36,3122 77776 EXIT
039888,000382: 36,3123 35026 CAF V6N33RTE # DISPLAY BIASED TIG
039889,000383: 36,3124 03246 TCR P370GOF
039890,000384: 36,3125 13123 TCF -2
039891,000385: 36,3126 34772 CAF ZERO
039892,000386: 36,3127 54771 TS VHFCNT
039893,000387: 36,3130 54772 TS TRKMKCNT
039894,000388: 36,3131 06006 TC INTPRET
039895,000389: 36,3132 77624 CALL # CONICALLY INTEGRATE FROM R1,V1 OVER T12
039896,000390: 36,3133 63624 RTENCK1
039897,000391: 36,3134 53575 VLOAD UNIT # PL00D
039898,000392: 36,3135 03656 R(T2)/
039899,000393: 36,3136 74315 PDVL VXSC # UR2 B1 PL06D
039900,000394: 36,3137 03554 UR1/
039901,000395: 36,3140 33632 MCOS7.5
039902,000396: 36,3141 74315 PDVL VXSC # -UR1(COS7.5) B1 PL12D
039903,000397: 36,3142 03562 UH/
039904,000398: 36,3143 33634 MSIN7.5
039905,000399: 36,3144 50255 VAD DOT # K/=-UR1(COS7.5)-UH(SIN7.5) B2 PL00D
039906,000400: 36,3145 50015 DAD BMN
039907,000401: 36,3146 33636 MCOS22.5
039908,000402: 36,3147 75174 P37W
039909,000403: 36,3150 50375 VLOAD DOT # K/ . UR2 GR COS22.5
039910,000404: 36,3151 03562 UH/
039911,000405: 36,3152 03656 R(T2)/
039912,000406: 36,3153 71240 BMN DLOAD
039913,000407: 36,3154 75160 P37U
039914,000408: 36,3155 33640 THETA165
039915,000409: 36,3156 52006 PUSH GOTO
039916,000410: 36,3157 75162 P37V
039917,000411: 36,3160 41545 P37U DLOAD PUSH
039918,000412: 36,3161 33642 THETA210
039919,000413: 36,3162 77756 P37V SIN
039920,000414: 36,3163 16732 STODL SNTH
039921,000415: 36,3164 43146 COS CLEAR
039922,000416: 36,3165 03666 RVSW
039923,000417: 36,3166 26734 STOVL CSTH
039924,000418: 36,3167 03640 R(T1)/
039925,000419: 36,3170 26657 STOVL RVEC
039926,000420: 36,3171 03700 V2(T1)/
039927,000421: 36,3172 36746 STCALL VVEC
039928,000422: 36,3173 25002 TIMETHET
|
|
Page 905 |
039930,000424: 36,3174 43014 P37W CLEAR CLEAR
039931,000425: 36,3175 01267 XDELVFLG
039932,000426: 36,3176 03665 NORMSW
039933,000427: 36,3177 77214 SET VLOAD
039934,000428: 36,3200 01071 FINALFLG
039935,000429: 36,3201 77626 STADR
039936,000430: 36,3202 60362 STODL RTARG
039937,000431: 36,3203 00037 T
039938,000432: 36,3204 77615 DAD
039939,000433: 36,3205 03716 T1
039940,000434: 36,3206 27656 STOVL TPASS4
039941,000435: 36,3207 03700 V2(T1)/
039942,000436: 36,3210 77451 VSU EXIT
039943,000437: 36,3211 03672 V(T1)/
039944,000438: 36,3212 34756 CAF EBANK4
039945,000439: 36,3213 54003 TS EBANK
039946,000440: 36,3214 06006 TC INTPRET
039947,000441: 36,3215 03646 STORE DELVSIN
039948,000442: 36,3216 77624 P37WW CALL
039949,000443: 36,3217 73027 VN1645
039950,000444: 36,3220 77650 GOTO
039951,000445: 36,3221 75216 P37WW
039952,000446:
039953,000447: # SUBROUTINE TO GO TO GOFLASHR AND BLANK R1
039954,000448:
039955,000449: 36,3222 00006 P37GFRB1 EXTEND
039956,000450: 36,3223 23752 QXCH SPRTEX
039957,000451: 36,3224 03232 TCR P370GOFR
039958,000452: 36,3225 34770 37BLANK CAF ONE
039959,000453: 36,3226 05516 +1 TCR BLANKET
039960,000454: 36,3227 15205 TCF ENDOFJOB
039961,000455: 36,3230 01752 TC SPRTEX # RECYCLE
039962,000456: 36,3231 13255 TCF P37PROC # PROCEED
039963,000457:
039964,000458: # SUBROUTINE TO GO TO GOFLASHR
039965,000459:
039966,000460: 36,3232 00006 P370GOFR EXTEND
039967,000461: 36,3233 23547 QXCH RTENCKEX
039968,000462: 36,3234 04636 TCR BANKCALL
039969,000463: 36,3235 21101 CADR GOFLASHR
039970,000464: 36,3236 14103 TCF GOTOPOOH # TERMINATE
039971,000465: 36,3237 13242 TCF +3
039972,000466: 36,3240 13244 TCF +4
039973,000467: 36,3241 01547 TC RTENCKEX # IMMEDIATE RETURN
039974,000468: 36,3242 51547 INDEX RTENCKEX # PROCEED
039975,000469: 36,3243 10004 TCF 0 +4
039976,000470: 36,3244 51547 INDEX RTENCKEX # RECYCLE
039977,000471: 36,3245 10003 TCF 0 +3
039978,000472:
039979,000473: # SUBROUTINE TO GO TO GOFLASH
039980,000474:
|
|
Page 906 |
039982,000476: 36,3246 00006 P370GOF EXTEND
039983,000477: 36,3247 23752 QXCH SPRTEX
039984,000478: 36,3250 04636 TCR BANKCALL
039985,000479: 36,3251 20743 CADR GOFLASH
039986,000480: 36,3252 14103 TCF GOTOPOOH
039987,000481: 36,3253 13255 TCF +2
039988,000482: 36,3254 01752 TC SPRTEX
039989,000483: 36,3255 51752 P37PROC INDEX SPRTEX
039990,000484: 36,3256 10001 TCF 0 +1
039991,000485: 36,3257 5026 V6N33RTE = V06N33
039992,000486: 36,3257 4537 V4N06RTE = V04N06
039993,000487: 36,3257 5034 V6N61RTE = V06N61
039994,000488: 36,3257 01447 V6N39RTE VN 0639
039995,000489: 36,3260 5033 V6N60RTE = V06N60
039996,000490: 36,3260 4535 V6N81RTE = V06N81
039997,000491: 32,2000 SETLOC RTE
039998,000492: 32,2000 BANK
039999,000493: 32,2272 COUNT* $$/P37
|
|
Page 907 |
040001,000495: # ALARM DISPLAY SUBROUTINE
040002,000496: 32,2272 77776 RTEALRM EXIT
040003,000497: 32,2273 30154 CA MPAC
040004,000498: 32,2274 05770 TC VARALARM
040005,000499: 32,2275 35023 CAF V5N09RTE
040006,000500: 32,2276 04636 TC BANKCALL
040007,000501: 32,2277 20743 CADR GOFLASH
040008,000502: 32,2300 14103 TCF GOTOPOOH
040009,000503: 32,2301 12275 TCF -4
040010,000504: 32,2302 04655 TC POSTJUMP
040011,000505: 32,2303 74476 CADR P37
040012,000506: 32,2304 5023 V5N09RTE = V05N09
040013,000507:
|
|
Page 908 |
040015,000509: # TIME RADIUS CALLING SUBROUTINE
040016,000510:
040017,000511: # INPUT
040018,000512: # RVEC INITIAL POSITION VECTOR VECTOR B29 METERS
040019,000513: # VVEC INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
040020,000514: # RDESIRED FINAL RADIUS FOR WHICH TRANSFER TIME IS TO BE COMPUTED DP B29 METERS
040021,000515: # CONICX1 X1 SETTING FOR CONIC SUBROUTINES -2 = EARTH SP B14
040022,000516: # OUTPUT
040023,000517: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
040024,000518: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040025,000519: # T12 TRANSFER TIME TO FINAL RADIUS DP B28 CS
040026,000520:
040027,000521: 32,2304 43020 TMRAD100 STQ CLEAR
040028,000522: 32,2305 03547 RTENCKEX
040029,000523: 32,2306 03666 RVSW
040030,000524: 32,2307 67164 AXC,2 SXA,2
040031,000525: 32,2310 20000 OCT 20000
040032,000526: 32,2311 02756 SGNRDOT
040033,000527: 32,2312 45140 LXC,1 CALL
040034,000528: 32,2313 03550 CONICX1
040035,000529: 32,2314 25607 TIMERAD
040036,000530: 32,2315 27710 STOVL V(T2)/ # PL00D
040037,000531: 32,2316 77626 STADR
040038,000532: 32,2317 60121 STODL R(T2)/
040039,000533: 32,2320 00037 T
040040,000534: 32,2321 37724 STCALL T12
040041,000535: 32,2322 03547 RTENCKEX
040042,000536:
|
|
Page 909 |
040044,000538: # DISPLAY CALCULATION SUBROUTINE
040045,000539:
040046,000540: # DESCRIPTION
040047,000541: # OUTPUT FOR DISPLAY IS CONVERTED TO PROPER UNITS AND PLACED IN OUTPUT STORAGE REGISTERS. LANDING SITE
040048,000542: # COMPUTATION FOR DETERMINING LANDING SITE LATITUDE AND LONGITUDE IS INCLUDED IN THE ROUTINE.
040049,000543:
040050,000544: # CALLING SEQUENCE
040051,000545: # L CALL
040052,000546: # L+1 RTEDISP
040053,000547:
040054,000548: # SUBROUTINES CALLED
040055,000549: # TMRAD100
040056,000550: # AUGEKUGL
040057,000551: # LAT-LONG
040058,000552:
040059,000553: # ERASABLE INITIALIZATION REQUIRED
040060,000554: # PUSHLIST
040061,000555: # NONE
040062,000556: # MPAC
040063,000557: # NONE
040064,000558: # OTHER
040065,000559: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
040066,000560: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040067,000561: # T2 FINAL TIME DP B28 CS
040068,000562: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
040069,000563: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
040070,000564: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040071,000565: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040072,000566:
040073,000567: # OUTPUT
040074,000568: # VPRED VELOCITY MAGNITUDE AT 400,000 FT. ENTRY ALTITUDE DP B7 METERS/CS
040075,000569: # T3TOT4 TRANSIT TIME TO 400,000 FT. ENTRY ALTITUDE DP B28 CS
040076,000570: # GAMMAEI FLIGHT PATH ANGLE AT 400,000 FT. ENTRY ALTITUDE DP B0 REVS + ABOVE HORIZ
040077,000571: # DELVLVC INITIAL VELOCITY CHANGE VECTOR IN LOCAL VERTICAL COORD. VECTOR B7 METERS/CS
040078,000572: # LAT(SPL) LATITUDE OF THE LANDING SITE DP B0 REVS
040079,000573: # LNG(SPL) LONGITUDE OF THE LANDING SITE DP B0 REVS
040080,000574:
040081,000575: 32,2323 77220 RTEDISP STQ VLOAD # DISPLAY
040082,000576: 32,2324 03752 SPRTEX
040083,000577: 32,2325 03710 V(T2)/
040084,000578: 32,2326 65256 UNIT PDDL
040085,000579: 32,2327 00045 36D
040086,000580: 32,2330 17757 STODL VPRED # V(T2)
040087,000581: 32,2331 03552 T2
040088,000582: 32,2332 77625 DSU
040089,000583: 32,2333 03413 SPRTETIG
040090,000584: 32,2334 26641 STOVL T3TOT4 # T21
040091,000585: 32,2335 03656 R(T2)/
040092,000586: 32,2336 50256 UNIT DOT
040093,000587: 32,2337 77752 SL1
|
|
Page 910 |
040095,000589: 32,2340 44326 ARCCOS BDSU
040096,000590: 32,2341 15326 1RTEB2
040097,000591: 32,2342 27761 STOVL GAMMAEI # FLIGHT PATH ANGLE T2
040098,000592: 32,2343 03700 V2(T1)/
040099,000593: 32,2344 41451 VSU PUSH
040100,000594: 32,2345 03672 V(T1)/
040101,000595: 32,2346 57441 DOT DCOMP
040102,000596: 32,2347 03554 UR1/
040103,000597: 32,2350 41515 PDVL PUSH
040104,000598: 32,2351 63345 DLOAD PDVL
040105,000599: 32,2352 15330 ZERORTE
040106,000600: 32,2353 55441 DOT VDEF
040107,000601: 32,2354 03562 UH/
040108,000602: 32,2355 77772 VSL1
040109,000603: 32,2356 17405 STODL DELVLVC
040110,000604: 32,2357 03405 DELVLVC
040111,000605: 32,2360 57414 BOFF DCOMP
040112,000606: 32,2361 02741 RETROFLG
040113,000607: 32,2362 64364 RTD18
040114,000608: 32,2363 03405 STORE DELVLVC # NEGATE X COMPONENT, RETROGRADE
040115,000609: 32,2364 51575 RTD18 VLOAD ABVAL
040116,000610: 32,2365 03405 DELVLVC
040117,000611: 32,2366 27763 STOVL VGDISP
040118,000612: 32,2367 03656 R(T2)/
040119,000613: 32,2370 02657 STORE RVEC # ***** LANDING SITE COMPUTATION *****
040120,000614: 32,2371 45246 ABVAL DSU
040121,000615: 32,2372 33620 30480RTE
040122,000616: 32,2373 26760 STOVL RDESIRED
040123,000617: 32,2374 03710 V(T2)/
040124,000618: 32,2375 36746 STCALL VVEC
040125,000619: 32,2376 64304 TMRAD100 # R3,V3,T23 FROM TIMERAD
040126,000620: 32,2377 53575 VLOAD UNIT
040127,000621: 32,2400 03656 R(T2)/
040128,000622: 32,2401 53515 PDVL UNIT # UR3 PL06D
040129,000623: 32,2402 03710 V(T2)/
040130,000624: 32,2403 72441 DOT SL1 # GAMMAE=ARCSIN(UR3 . UV3) PL00D
040131,000625: 32,2404 65336 ARCSIN PDDL # V(T3) PL02D
040132,000626: 32,2405 00045 36D
040133,000627: 32,2406 51525 PDDL ABS
040134,000628: 32,2407 45006 PUSH CALL # /GAMMAE/ PL04D
040135,000629: 32,2410 64105 AUGEKUGL # PHIE PL06D
040136,000630: 32,2411 43215 DAD DAD
040137,000631: 32,2412 03724 T12 # T23
040138,000632: 32,2413 03552 T2
040139,000633: 32,2414 00003 STORE 02D # T(LS)=T2&T23&TE
040140,000634: 32,2415 53135 SLOAD BZE
040141,000635: 32,2416 03013 P37RANGE
040142,000636: 32,2417 64421 RTD22
040143,000637: 32,2420 00005 STORE 04D # OVERRIDE RANGE (PCR 261)
040144,000638: 32,2421 73545 RTD22 DLOAD SIN
|
|
Page 911 |
040146,000640: 32,2422 00005 04D
040147,000641: 32,2423 17403 STODL LNG(SPL) # LNG(SPL)=SIN(PHIE) PL04D
040148,000642: 32,2424 77746 COS
040149,000643: 32,2425 03401 STORE LAT(SPL) # LAT(SPL)=COS(PHIE)
040150,000644: 32,2426 53575 VLOAD UNIT
040151,000645: 32,2427 03656 R(T2)/
040152,000646: 32,2430 41406 PUSH PUSH
040153,000647: 32,2431 53515 PDVL UNIT # PL22D
040154,000648: 32,2432 03710 V(T2)/
040155,000649: 32,2433 47315 PDVL VXV
040156,000650: 32,2434 53435 VXV UNIT # UH3=UNIT(UR3 X UV3 X UR3) PL10D
040157,000651: 32,2435 63361 VXSC PDVL
040158,000652: 32,2436 03403 LNG(SPL)
040159,000653: 32,2437 53361 VXSC VAD # PL04D
040160,000654: 32,2440 03401 LAT(SPL)
040161,000655: 32,2441 43014 CLEAR CLEAR # T(LS) IN MPAC
040162,000656: 32,2442 00662 ERADFLAG
040163,000657: 32,2443 01663 LUNAFLAG
040164,000658: 32,2444 16152 STODL ALPHAV # ALPHAV=UR3(COSPHIE)+UH3(SINPHIE) PL02D
040165,000659: 32,2445 77624 CALL
040166,000660: 32,2446 26453 LAT-LONG
040167,000661: 32,2447 77745 DLOAD
040168,000662: 32,2450 00747 LAT
040169,000663: 32,2451 17401 STODL LAT(SPL) # LATITUDE LANDING SITE *****
040170,000664: 32,2452 00751 LONG
040171,000665: 32,2453 37403 STCALL LNG(SPL) # LONGITUDE LANDING SITE *****
040172,000666: 32,2454 03752 SPRTEX
|
|
Page 912 |
040174,000668: # INITIAL VECTOR SUBROUTINE
040175,000669:
040176,000670: # DESCRIPTION
040177,000671: # A PRECISION INTEGRATION OF THE STATE VECTOR TO THE TIME OF IGNITION IS PERFORMED. PRECOMPUTATIONS OCCUR.
040178,000672:
040179,000673: # CALLING SEQUENCE
040180,000674: # L CALL
040181,000675: # L+1 INVC100
040182,000676:
040183,000677: # NORMAL EXIT MODE
040184,000678: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040185,000679:
040186,000680: # ALARM EXIT MODE
040187,000681: # AT L+2 OF CALLING SEQUENCE WITH MPAC = OCTAL 612 FOR STATE VECTOR IN MOONS SPHERE OF INFLUENCE
040188,000682:
040189,000683: # SUBROUTINES CALLED
040190,000684: # CSMPREC
040191,000685:
040192,000686: # ERASABLE INITIALIZATION REQUIRED
040193,000687: # PUSHLIST
040194,000688: # NONE
040195,000689: # MPAC
040196,000690: # NONE
040197,000691: # OTHER
040198,000692: # SPRTETIG TIME OF IGNITION DP B28 CS
040199,000693: # CSM STATE VECTOR
040200,000694:
040201,000695: # OUTPUT
040202,000696: # R(T1)/ INITIAL POSITION VECTOR AT TIG VECTOR B29 METERS
040203,000697: # V(T1)/ INITIAL VELOCITY VECTOR AT TIG VECTOR B7 METERS/CS
040204,000698: # T1 INITIAL VECTOR TIME (TIG) DP B28 CS
040205,000699: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040206,000700: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040207,000701: # CFPA COSINE OF INITIAL FLIGHT PATH ANGLE DP B1
040208,000702:
040209,000703: 32,2455 71220 INVC100 STQ DLOAD
040210,000704: 32,2456 03752 SPRTEX
040211,000705: 32,2457 03413 SPRTETIG
040212,000706: 32,2460 34041 STCALL TDEC1
040213,000707: 32,2461 27145 CSMPREC # PRECISION INTEGRATION R0,V0 TO R1,V1
040214,000708: 32,2462 67175 VLOAD SXA,2
040215,000709: 32,2463 00001 RATT
040216,000710: 32,2464 03745 P(T1)
040217,000711: 32,2465 27640 STOVL R(T1)/
040218,000712: 32,2466 00007 VATT
040219,000713: 32,2467 17672 STODL V(T1)/
040220,000714: 32,2470 00015 TAT
040221,000715: 32,2471 03716 STORE T1
040222,000716: 32,2472 53135 SLOAD BZE
040223,000717: 32,2473 03746 P(T1)
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|
Page 913 |
040225,000719: 32,2474 64500 INVC109
040226,000720: 32,2475 52135 INVC107 SLOAD GOTO
040227,000721: 32,2476 33631 OCT612
040228,000722: 32,2477 64272 RTEALRM # R1,V1 NOT IN PROPER SPHERE OF INFLUENCE
040229,000723: 32,2500 53575 INVC109 VLOAD UNIT
040230,000724: 32,2501 03640 R(T1)/
040231,000725: 32,2502 17554 STODL UR1/ # UR1/ B1
040232,000726: 32,2503 00045 36D
040233,000727: 32,2504 27646 STOVL R(T1) # R(T1) B29
040234,000728: 32,2505 03672 V(T1)/
040235,000729: 32,2506 77656 UNIT
040236,000730: 32,2507 03562 STORE UV1/
040237,000731: 32,2510 72441 DOT SL1
040238,000732: 32,2511 03554 UR1/
040239,000733: 32,2512 03747 STORE CFPA # CFPA B1
040240,000734: 32,2513 45246 ABS DSU
040241,000735: 32,2514 33644 EPC1RTE
040242,000736: 32,2515 71240 BMN DLOAD
040243,000737: 32,2516 64525 INVC115 # NOT NEAR RECTILINEAR
040244,000738: 32,2517 15326 1RTEB2
040245,000739: 32,2520 41525 PDDL PUSH
040246,000740: 32,2521 15330 ZERORTE
040247,000741: 32,2522 41466 VDEF PUSH # N/ = (0,0,1)
040248,000742: 32,2523 77650 GOTO
040249,000743: 32,2524 64531 INVC120
040250,000744: 32,2525 47375 INVC115 VLOAD VXV
040251,000745: 32,2526 03554 UR1/
040252,000746: 32,2527 03562 UV1/
040253,000747: 32,2530 77606 PUSH # N/ = UR X UV B2
040254,000748: 32,2531 71214 INVC120 CLEAR DLOAD
040255,000749: 32,2532 02661 RETROFLG
040256,000750: 32,2533 51006 PUSH BPL
040257,000751: 32,2534 64540 INVC125
040258,000752: 32,2535 57575 VLOAD VCOMP # RETROGRADE ORBIT
040259,000753: 32,2536 43006 PUSH SET
040260,000754: 32,2537 02461 RETROFLG
040261,000755: 32,2540 77775 INVC125 VLOAD
040262,000756: 32,2541 53435 VXV UNIT
040263,000757: 32,2542 03554 UR1/
040264,000758: 32,2543 03562 STORE UH/ # UH/ B1
040265,000759: 32,2544 77650 GOTO
040266,000760: 32,2545 03752 SPRTEX
040267,000761:
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|
Page 914 |
040269,000763: # PRECISION TRAJECTORY COMPUTATION SUBROUTINE
040270,000764:
040271,000765: # DESCRIPTION
040272,000766: # A NUMERICALLY INTEGRATED TRAJECTORY IS GENERATED WHICH FOR THE RETURN TO EARTH PROBLEM SATISFIES THE REENTRY
040273,000767: # CONSTRAINTS (RCON AND X(T2)) ACHIEVED BY THE INITIAL CONIC TRAJECTORY AND MEETS THE DVD REQUIREMENT AS CLOSELY
040274,000768: # AS POSSIBLE.
040275,000769:
040276,000770: # CALLING SEQUENCE
040277,000771: # L CALL
040278,000772: # L+1 PREC100
040279,000773:
040280,000774: # NORMAL EXIT MODE
040281,000775: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040282,000776:
040283,000777: # ALARM EXIT MODE
040284,000778: # AT L+2 OF CALLING SEQUENCE WITH MPAC =
040285,000779: # OCTAL 605 FOR EXCESS ITERATIONS
040286,000780: # OCTAL 613 FOR REENTRY ANGLE OUT OF LIMITS
040287,000781:
040288,000782: # SUBROUTINES CALLED
040289,000783: # INTSTALL
040290,000784: # RTENCK2
040291,000785: # RTENCK3
040292,000786: # TIMERAD
040293,000787: # PARAM
040294,000788: # V2T100
040295,000789:
040296,000790: # ERASABLE INITIALIZATION REQUIRED
040297,000791: # PUSHLIST
040298,000792: # NONE
040299,000793: # MPAC
040300,000794: # NONE
040301,000795: # OTHER
040302,000796: # R(T1)/ INITIAL POSITION VECTOR VECTOR B29/B27 METERS
040303,000797: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040304,000798: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040305,000799: # T1 INITIAL VECTOR TIME DP B28 CS
040306,000800: # T12 INITIAL TO FINAL POSITION TIME DP B28 CS
040307,000801: # RCON CONIC FINAL RADIUS DP B29/B27 METERS
040308,000802: # R(T1) MAGNITUDE OF INITIAL POSITION VECTOR DP B29/B27 METERS
040309,000803: # X(T2) COTANGENT OF FINAL FLIGHT PATH ANGLE DP B0
040310,000804: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE DP B5
040311,000805: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
040312,000806: # MAMAX1 MAJOR AXIS LIMIT FOR LOWER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040313,000807: # MAMAX2 MAJOR AXIS LIMIT FOR UPPER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040314,000808: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040315,000809: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040316,000810: # BETA1 1+X(T2)**2 DP B1
040317,000811: # PHI2 PERIGEE OR APOGEE INDICATOR DP B2 -1 PERIGEE, +1 APOGEE
040318,000812:
|
|
Page 915 |
040320,000814: # OUTPUT
040321,000815: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
040322,000816: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
040323,000817: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040324,000818: # T2 FINAL TIME DP B28 CENTISECONDS
040325,000819:
040326,000820: # DEBRIS
040327,000821: # RD FINAL R DESIRED DP B29/B27 METERS
040328,000822: # R/APRE R/A DP B6
040329,000823: # P/RPRE P/R DP B4
040330,000824: # RPRE MAGNITUDE OF R(T2)/ DP B29/B27 METERS
040331,000825: # X(T2)PRE COTANGENT OF GAMMA2 DP B0
040332,000826: # DT12 CORRECTION TO FINAL TIME T2 DP B28 CENTISECONDS
040333,000827: # RCON FINAL RADIUS DP B29/B27 METERS
040334,000828: # DRCON DELTA RCON DP B29/B27 METERS
040335,000829:
040336,000830: 32,2546 71220 PREC100 STQ DLOAD
040337,000831: 32,2547 03752 SPRTEX
040338,000832: 32,2550 33606 10RTE
040339,000833: 32,2551 17730 STODL NN1A
040340,000834: 32,2552 03636 RCON
040341,000835: 32,2553 03664 STORE RD
040342,000836: 32,2554 77745 PREC120 DLOAD
040343,000837: 32,2555 15344 2RTEB1
040344,000838: 32,2556 17650 STODL DT21PR # DT21PR = POSMAX
040345,000839: 32,2557 33604 M15RTE
040346,000840: 32,2560 37546 STCALL NN2
040347,000841: 32,2561 63652 RTENCK3
040348,000842: 32,2562 77624 PREC125 CALL
040349,000843: 32,2563 37727 PARAM
040350,000844: 32,2564 77745 DLOAD
040351,000845: 32,2565 02742 P
040352,000846: 32,2566 14033 STODL P/RPRE
040353,000847: 32,2567 02744 R1A
040354,000848: 32,2570 14035 STODL R/APRE
040355,000849: 32,2571 00041 R1
040356,000850: 32,2572 14031 STODL RPRE
040357,000851: 32,2573 03770 COGA
040358,000852: 32,2574 77661 SL
040359,000853: 32,2575 20206 5
040360,000854: 32,2576 03724 STORE X(T2)PRE
040361,000855: 32,2577 43276 DCOMP DAD
040362,000856: 32,2600 03726 X(T2)
040363,000857: 32,2601 45246 ABS DSU
040364,000858: 32,2602 33652 EPC4RTE
040365,000859: 32,2603 50000 BOV BMN
040366,000860: 32,2604 64606 PREC130
040367,000861: 32,2605 64775 PREC175
040368,000862:
040369,000863: # DESIRED REENTRY ANGLE NOT ACHIEVED
|
|
Page 916 |
040371,000865: 32,2606 50145 PREC130 DLOAD BMN
040372,000866: 32,2607 03546 NN2
040373,000867: 32,2610 64614 PREC140
040374,000868: 32,2611 52135 PREC132 SLOAD GOTO # TOO MANY ITERATIONS
040375,000869: 32,2612 33630 OCT605 # EXIT WITH ALARM
040376,000870: 32,2613 65100 PRECX
040377,000871:
040378,000872: # DETERMINE RADIUS AT WHICH THE DESIRED REENTRY ANGLE WILL BE ACHIEVED
040379,000873:
040380,000874: 32,2614 53145 PREC140 DLOAD BZE
040381,000875: 32,2615 03730 NN1A
040382,000876: 32,2616 64654 PREC162
040383,000877: 32,2617 62545 PREC150 DLOAD SL2 # B2
040384,000878: 32,2620 00033 P/RPRE
040385,000879: 32,2621 72405 DMP SL1 # BETA2=BETA1*P/R B2 PL02
040386,000880: 32,2622 03744 BETA1
040387,000881: 32,2623 71206 PUSH DLOAD
040388,000882: 32,2624 00035 R/APRE
040389,000883: 32,2625 41212 SL4 DMP
040390,000884: 32,2626 00001 00D
040391,000885: 32,2627 50021 BDSU BMN # BETA3=1-BETA2*R/A
040392,000886: 32,2630 31771 1RTEB4
040393,000887: 32,2631 64644 PREC160
040394,000888: 32,2632 75512 PREC155 SL2 SQRT
040395,000889: 32,2633 44205 DMP BDSU
040396,000890: 32,2634 03751 PHI2
040397,000891: 32,2635 31767 1RTEB3
040398,000892: 32,2636 65301 NORM PDDL
040399,000893: 32,2637 00047 X1
040400,000894: 32,2640 56342 SR1 DDV # BETA4=BETA2/(1-PHI2*SQRT(BETA3))
040401,000895: 32,2641 52057 SL* GOTO # B1
040402,000896: 32,2642 20200 0 -1,1
040403,000897: 32,2643 64662 PREC165
040404,000898: 32,2644 60345 PREC160 DLOAD NORM
040405,000899: 32,2645 00035 R/APRE
040406,000900: 32,2646 00047 X1
040407,000901: 32,2647 53665 BDDV SL* # B1
040408,000902: 32,2650 15334 1RTEB1
040409,000903: 32,2651 20173 0 -6,1
040410,000904: 32,2652 77650 GOTO
040411,000905: 32,2653 64662 PREC165
040412,000906: 32,2654 60345 PREC162 DLOAD NORM
040413,000907: 32,2655 00031 RPRE
040414,000908: 32,2656 00047 X1
040415,000909: 32,2657 53665 BDDV SL* # BETA4=RD/RPRE B1
040416,000910: 32,2660 03664 RD
040417,000911: 32,2661 20200 0 -1,1
040418,000912: 32,2662 41401 PREC165 SETPD PUSH
040419,000913: 32,2663 00001 0
040420,000914: 32,2664 57425 DSU DCOMP
|
|
Page 917 |
040422,000916: 32,2665 15334 1RTEB1
040423,000917: 32,2666 03755 STORE BETA12
040424,000918: 32,2667 71240 BMN DLOAD
040425,000919: 32,2670 64701 PREC168
040426,000920: 32,2671 03724 X(T2)PRE
040427,000921: 32,2672 71240 BMN DLOAD
040428,000922: 32,2673 64677 PREC167
040429,000923: 32,2674 03755 BETA12
040430,000924: 32,2675 77676 DCOMP
040431,000925: 32,2676 03755 STORE BETA12
040432,000926: 32,2677 77745 PREC167 DLOAD
040433,000927: 32,2700 03755 BETA12
040434,000928: 32,2701 45246 PREC168 ABS DSU
040435,000929: 32,2702 33654 EPC6RTE
040436,000930: 32,2703 71240 BMN DLOAD
040437,000931: 32,2704 64775 PREC175
040438,000932: 32,2705 72405 DMP SL1
040439,000933: 32,2706 00031 RPRE
040440,000934: 32,2707 77606 PUSH # RF = NEW RADIUS
040441,000935: 32,2710 43345 PREC170 DLOAD DAD
040442,000936: 32,2711 03546 NN2
040443,000937: 32,2712 33600 1RTEB28
040444,000938: 32,2713 03546 STORE NN2
040445,000939: 32,2714 43175 VLOAD SET
040446,000940: 32,2715 03656 R(T2)/
040447,000941: 32,2716 03466 RVSW
040448,000942: 32,2717 26657 STOVL RVEC
040449,000943: 32,2720 03710 V(T2)/
040450,000944: 32,2721 77765 SIGN
040451,000945: 32,2722 03755 BETA12
040452,000946: 32,2723 16746 STODL VVEC
040453,000947: 32,2724 15334 1RTEB1
040454,000948: 32,2725 57565 SIGN DCOMP
040455,000949: 32,2726 03755 BETA12
040456,000950: 32,2727 71354 LXA,2 DLOAD
040457,000951: 32,2730 00154 MPAC
040458,000952: 32,2731 67140 LXC,1 SXA,2
040459,000953: 32,2732 03550 CONICX1
040460,000954: 32,2733 02756 SGNRDOT
040461,000955: 32,2734 36760 STCALL RDESIRED # COMPUTE DT12 (CORRECTION TO TIME OF
040462,000956: 32,2735 25607 TIMERAD # NEW RADIUS)
040463,000957: 32,2736 75345 DLOAD SIGN
040464,000958: 32,2737 00037 T
040465,000959: 32,2740 03755 BETA12
040466,000960: 32,2741 60325 PDDL NORM # DT21=(PHI4)DT21 PL02D
040467,000961: 32,2742 03650 DT21PR
040468,000962: 32,2743 00047 X1
040469,000963: 32,2744 53665 BDDV SL*
040470,000964: 32,2745 00001 00D
040471,000965: 32,2746 20176 0 -3,1
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|
Page 918 |
040473,000967: 32,2747 50006 PUSH BMN # BETA13=(DT21)/(DT21PR) B3 PL04D
040474,000968: 32,2750 64755 PREC172
040475,000969: 32,2751 65345 DLOAD PDDL # BETA14=1 B0 PL04D
040476,000970: 32,2752 15344 2RTEB1
040477,000971: 32,2753 77650 GOTO
040478,000972: 32,2754 64757 PREC173
040479,000973: 32,2755 65345 PREC172 DLOAD PDDL # BETA14=.6 B0 PL04D
040480,000974: 32,2756 33610 M.6RTE
040481,000975: 32,2757 45271 PREC173 DDV DSU
040482,000976: 32,2760 00003 02D
040483,000977: 32,2761 31767 1RTEB3
040484,000978: 32,2762 71240 BMN DLOAD
040485,000979: 32,2763 64767 PREC174
040486,000980: 32,2764 77605 DMP
040487,000981: 32,2765 03650 DT21PR
040488,000982: 32,2766 00001 STORE 00D # DT21=(BETA14)DT21PR B28
040489,000983: 32,2767 41545 PREC174 DLOAD PUSH
040490,000984: 32,2770 00001 00D
040491,000985: 32,2771 37650 STCALL DT21PR
040492,000986: 32,2772 63634 RTENCK2
040493,000987: 32,2773 77650 GOTO
040494,000988: 32,2774 64562 PREC125
040495,000989: 32,2775 45345 PREC175 DLOAD DSU
040496,000990: 32,2776 00031 RPRE
040497,000991: 32,2777 03664 RD
040498,000992: 32,3000 51406 PUSH ABS # RPRE-RD = RERR
040499,000993: 32,3001 50025 DSU BMN
040500,000994: 32,3002 33656 EPC7RTE
040501,000995: 32,3003 35022 PREC220
040502,000996:
040503,000997: # DESIRED RADIUS HAS NOT BEEN ACHIEVED
040504,000998:
040505,000999: 32,3004 53145 DLOAD BZE
040506,001000: 32,3005 03730 NN1A
040507,001001: 32,3006 64611 PREC132 # TOO MANY ITERATIONS
040508,001002: 32,3007 53025 DSU BZE
040509,001003: 32,3010 33606 10RTE
040510,001004: 32,3011 65044 PREC207
040511,001005: 32,3012 45345 PREC205 DLOAD DSU # NOT FIRST PASS OF ITERATION
040512,001006: 32,3013 03670 RPRE,
040513,001007: 32,3014 00031 RPRE # RPRE,-RPRE B29/B27
040514,001008: 32,3015 55301 NORM BDDV
040515,001009: 32,3016 00050 X2
040516,001010: 32,3017 03666 DRCON
040517,001011: 32,3020 41457 SL* PUSH # DRCON/(RPRE,-RPRE)=S B2
040518,001012: 32,3021 57600 0 -2,2
040519,001013: 32,3022 40015 DAD BOV # S GR +4 OR LS -4
040520,001014: 32,3023 15334 1RTEB1
040521,001015: 32,3024 65031 PREC205M
040522,001016: 32,3025 45246 ABS DSU
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|
Page 919 |
040524,001018: 32,3026 15334 1RTEB1
040525,001019: 32,3027 77640 BMN
040526,001020: 32,3030 65034 PREC206
040527,001021: 32,3031 57545 PREC205M DLOAD DCOMP # S GR 0 OR LS -4
040528,001022: 32,3032 15344 2RTEB1
040529,001023: 32,3033 77725 PDDL # S=-4 B2
040530,001024: 32,3034 41345 PREC206 DLOAD DMP
040531,001025: 32,3035 77712 SL2
040532,001026: 32,3036 03666 STORE DRCON # DRCON=S(RERR) B29
040533,001027: 32,3037 77615 DAD
040534,001028: 32,3040 03636 RCON
040535,001029: 32,3041 03636 STORE RCON # RCON+DRCON=RCON
040536,001030: 32,3042 77650 GOTO
040537,001031: 32,3043 65063 PREC210
040538,001032: 32,3044 63545 PREC207 DLOAD DSQ # FIRST PASS OF ITERATION
040539,001033: 32,3045 03664 RD
040540,001034: 32,3046 70501 NORM SR1
040541,001035: 32,3047 00047 X1
040542,001036: 32,3050 60325 PDDL NORM
040543,001037: 32,3051 00031 RPRE
040544,001038: 32,3052 00050 X2
040545,001039: 32,3053 55260 XSU,1 BDDV
040546,001040: 32,3054 00047 X2
040547,001041: 32,3055 77657 SR*
040548,001042: 32,3056 20600 0 -1,1
040549,001043: 32,3057 03636 STORE RCON # RD**2/RPRE=RCON
040550,001044: 32,3060 77625 DSU
040551,001045: 32,3061 03664 RD
040552,001046: 32,3062 03666 STORE DRCON # RCON-RD=DRCON
040553,001047: 32,3063 77745 PREC210 DLOAD # PREPARE FOR NEXT ITERATION
040554,001048: 32,3064 00031 RPRE
040555,001049: 32,3065 17670 STODL RPRE,
040556,001050: 32,3066 03730 NN1A
040557,001051: 32,3067 77625 DSU
040558,001052: 32,3070 33600 1RTEB28
040559,001053: 32,3071 37730 STCALL NN1A
040560,001054: 32,3072 65102 V2T100
040561,001055: 32,3073 52030 BHIZ GOTO
040562,001056: 32,3074 64554 PREC120
040563,001057: 32,3075 65100 PRECX
040564,001058:
040565,001059: # DESIRED RADIUS ACHIEVED
040566,001060:
040567,001061: 16,2000 SETLOC RTE2
040568,001062: 16,2000 BANK
040569,001063: 16,3022 COUNT* $$/P37
040570,001064: 16,3022 45345 PREC220 DLOAD DSU
040571,001065: 16,3023 03726 X(T2)
040572,001066: 16,3024 03724 X(T2)PRE
040573,001067: 16,3025 45246 ABS DSU
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|
Page 920 |
040575,001069: 16,3026 35035 EPC8RTE
040576,001070: 16,3027 67240 BMN SLOAD
040577,001071: 16,3030 65076 PREC225
040578,001072: 16,3031 35037 OCT613
040579,001073: 16,3032 77650 GOTO
040580,001074: 16,3033 65100 PRECX # IF REENTRY ANGLE OUT OF LIMITS
040581,001075:
040582,001076: 16,3034 00040 30447 EPC8RTE 2DEC .002
040583,001077: 16,3036 00613 OCT613 OCT 613
040584,001078:
040585,001079: # DESIRED FINAL ANGLE HAS BEEN REACHED
040586,001080:
040587,001081: 32,2000 SETLOC RTE
040588,001082: 32,2000 BANK
040589,001083: 32,3076 COUNT* $$/P37
040590,001084: 32,3076 77745 PREC225 DLOAD
040591,001085: 32,3077 15330 ZERORTE
040592,001086: 32,3100 77650 PRECX GOTO
040593,001087: 32,3101 03752 SPRTEX
040594,001088:
|
|
Page 921 |
040596,001090: # INTEGRATION CALLING SUBROUTINE
040597,001091:
040598,001092: # DESCRIPTION
040599,001093: # PERFORMS CONIC AND PRECISION INTEGRATIONS USING SUBROUTINE INTEGRVS. THERE ARE THREE ENTRANCES (RTENCK1,
040600,001094: # RTENCK2 AND RTENCK3) FOR DIFFERENT SOURCES OF INPUT AND DIFFERENT OPTIONS. THERE IS A COMMON SET OF OUTPUT
040601,001095: # WHICH INCLUDES SET UP OF INPUT FOR THE PARAM SUBROUTINE
040602,001096:
040603,001097: # RTENCK1 (CONIC INTEGRATION)
040604,001098:
040605,001099: # CALLING SEQUENCE
040606,001100: # L CALL
040607,001101: # L+1 RTENCK1
040608,001102:
040609,001103: # ERASABLE INITIALIZATION REQUIRED
040610,001104: # SAME AS FOR THE RTENCK3 ENTRANCE
040611,001105:
040612,001106: # RTENCK2 (PRECISION INTEGRATION)
040613,001107:
040614,001108: # CALLING SEQUENCE
040615,001109: # L CALL
040616,001110: # L+1 RTENCK2
040617,001111:
040618,001112: # ERASABLE INITIALIZATION REQUIRED
040619,001113: # PUSHLIST
040620,001114: # PUSHLOC-2 INTEGRATION TIME DT12 (CORRECTION TO T2) DP B28 CS
040621,001115: # OTHER
040622,001116: # R(T2)/ FINAL POSITION VECTOR VECTOR .B29 METERS
040623,001117: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040624,001118: # T2 FINAL TIME DP B28 CS
040625,001119:
040626,001120: # RTENCK3 (PRECISION INTEGRATION)
040627,001121:
040628,001122: # CALLING SEQUENCE
040629,001123: # L CALL
040630,001124: # L+1 RTENCK3
040631,001125:
040632,001126: # ERASABLE INITIALIZATION REQUIRED
040633,001127: # R(T1)/ INITIAL POSITION VECTOR VECTOR B29 METERS
040634,001128: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 M/CS
040635,001129: # T1 INITIAL VECTOR TIME DP B28 CS
040636,001130: # T2 FINAL TIME DP B28 CS
040637,001131:
040638,001132: # EXIT MODE
040639,001133: # AT L+2 OF CALLING SEQUENCE
040640,001134: # SUBROUTINES CALLED
040641,001135: # INTSTALL
040642,001136: # INTEGRVS
040643,001137:
040644,001138: # OUTPUT
040645,001139: # PUSHLIST
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|
Page 922 |
040647,001141: # PUSHLOC-6 FINAL POSITION VECTOR R(T2)/ VECTOR B29 METERS
040648,001142: # X1 CONICS MUTABLE ENTRY FOR EARTH (-2) SP B14
040649,001143: # MPAC
040650,001144: # FINAL VELOCITY VECTOR V(T2)/ VECTOR B7 M/CS
040651,001145: # OTHER
040652,001146: # R(T2)/ AS IN PUSHLIST
040653,001147: # V(T2)/ AS IN MPAC
040654,001148: # T2 FINAL TIME DP B28 CS
040655,001149:
040656,001150: 31,2000 SETLOC RTE3
040657,001151: 31,2000 BANK
040658,001152: 31,3624 COUNT* $$/P37
040659,001153: 31,3624 45020 RTENCK1 STQ CALL
040660,001154: 31,3625 03547 RTENCKEX
040661,001155: 31,3626 27516 INTSTALL
040662,001156: 31,3627 43175 VLOAD SET
040663,001157: 31,3630 03640 R(T1)/
040664,001158: 31,3631 01473 INTYPFLG
040665,001159: 31,3632 77650 GOTO
040666,001160: 31,3633 63660 RTENCK3B
040667,001161:
040668,001162: 31,3634 45020 RTENCK2 STQ CALL
040669,001163: 31,3635 03547 RTENCKEX
040670,001164: 31,3636 27516 INTSTALL
040671,001165: 31,3637 77214 CLEAR VLOAD
040672,001166: 31,3640 01673 INTYPFLG
040673,001167: 31,3641 03656 R(T2)/
040674,001168: 31,3642 25535 STOVL RCV
040675,001169: 31,3643 03710 V(T2)/
040676,001170: 31,3644 15543 STODL VCV
040677,001171: 31,3645 03552 T2
040678,001172: 31,3646 01517 STORE TET
040679,001173: 31,3647 77615 DAD
040680,001174: 31,3650 77650 GOTO
040681,001175: 31,3651 63666 RTENCK3D
040682,001176:
040683,001177: 31,3652 45020 RTENCK3 STQ CALL
040684,001178: 31,3653 03547 RTENCKEX
040685,001179: 31,3654 27516 INTSTALL
040686,001180: 31,3655 43175 RTENCK3A VLOAD CLEAR
040687,001181: 31,3656 03640 R(T1)/
040688,001182: 31,3657 01673 INTYPFLG
040689,001183: 31,3660 25535 RTENCK3B STOVL RCV
040690,001184: 31,3661 03700 V2(T1)/
040691,001185: 31,3662 15543 STODL VCV
040692,001186: 31,3663 03716 T1
040693,001187: 31,3664 15517 STODL TET
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|
Page 923 |
040695,001189: 31,3665 03552 T2
040696,001190: 31,3666 00041 RTENCK3D STORE TDEC1
040697,001191: 31,3667 45014 CLEAR CALL
040698,001192: 31,3670 00263 MOONFLAG
040699,001193: 31,3671 27211 INTEGRVS
040700,001194: 31,3672 77775 VLOAD
040701,001195: 31,3673 00001 RATT
040702,001196: 31,3674 03656 STORE R(T2)/
040703,001197: 31,3675 70125 PDDL LXC,1
040704,001198: 31,3676 00015 TAT
040705,001199: 31,3677 03550 CONICX1
040706,001200: 31,3700 27552 STOVL T2
040707,001201: 31,3701 00007 VATT
040708,001202: 31,3702 03710 STORE V(T2)/
040709,001203: 31,3703 77650 GOTO
040710,001204: 31,3704 03547 RTENCKEX
040711,001205: 32,2000 SETLOC RTE
040712,001206: 32,2000 BANK
040713,001207: 32,3102 COUNT* $$/P37
040714,001208:
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|
Page 924 |
040716,001210: # V2(T1) COMPUTATION SUBROUTINE
040717,001211:
040718,001212: # DESCRIPTION
040719,001213: # A POST IMPULSE VELOCITY VECTOR (V2(T1)) IS COMPUTED WHICH EITHER
040720,001214: # (1) MEETS THE INPUT VELOCITY CHANGE DESIRED (RTEDVD) IN A MINIMUM TIME OR
040721,001215: # (2) IF A VELOCITY CHANGE ISN:T SPECIFIED (RTEDVD) = 0), A V2(T1) IS COMPUTED WHICH MINIMIZES THE IMPULSE (DV)
040722,001216: # AND CONSEQUENTLY FUEL.
040723,001217:
040724,001218: # CALLING SEQUENCE
040725,001219: # L CALL
040726,001220: # L+1 V2T100
040727,001221:
040728,001222: # NORMAL EXIT MODE
040729,001223: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040730,001224:
040731,001225: # ALARM EXIT MODE
040732,001226: # AT L+2 OF CALLING SEQUENCE WITH MPAC = OCTAL 605 FOR EXCESS ITERATIONS
040733,001227:
040734,001228: # SUBROUTINES CALLED
040735,001229: # GAMDV10
040736,001230: # XT1LIM
040737,001231: # DVCALC
040738,001232:
040739,001233: # ERASABLE INITIALIZATION REQUIRED
040740,001234: # PUSHLIST
040741,001235: # NONE
040742,001236: # MPAC
040743,001237: # NONE
040744,001238: # OTHER
040745,001239: # R(T1) MAGNITUDE OF INITIAL POSITION VECTOR DP B29/B27 METERS
040746,001240: # RCON MAGNITUDE OF FINAL POSITION VECTOR DP B29/B27 METERS
040747,001241: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040748,001242: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
040749,001243: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040750,001244: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040751,001245: # X(T2) COTANGENT OF FINAL FLIGHT PATH ANGLE DP B0
040752,001246: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE(INPUT FOR PREC) DP B5
040753,001247: # CFPA COSINE OF INITIAL FLIGHT PATH ANGLE DP B1
040754,001248: # MAMAX1 MAJOR AXIS LIMIT FOR LOWER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040755,001249: # MAMAX2 MAJOR AXIS LIMIT FOR UPPER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040756,001250: # PHI2 REENTRY NEAR PERIGEE OR APOGEE INDICATE (RTE ONLY) DP B2 -1 PERIGEE, +1 APOGEE
040757,001251: # N1 CONIC OR PRECISION ITERATION COUNTER DP B28 NEGATIVE CONIC, PLUS PREC
040758,001252:
040759,001253: # OUTPUT
040760,001254: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040761,001255: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
040762,001256: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE (POST IMPULSE) DP B5
040763,001257: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
040764,001258: # BETA1 1+X(T2)**2 DP B1
040765,001259:
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Page 925 |
040767,001261: # DEBRIS
040768,001262: # PUSHLIST
040769,001263: # 00D X(T1),,=PREVIOUS PRECISION X(T1) DP B5
040770,001264: # 02D THETA1=BETA5*LAMBDA-1 TP B17
040771,001265: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
040772,001266: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
040773,001267: # 10D X(T1)MIN=LOWER BOUND ON X(T1) IN GAMDV ITERATOR DP B5
040774,001268: # 12D DX(T1)MAX=MAXIMUM DELTA X(T1) DP B5
040775,001269: # 14D X(T1)MAX=UPPER BOUND ON X(T1) IN GAMDV ITERATOR DP B5
040776,001270: # 16D DX(T1)=ITERATOR INCREMENT DP B5
040777,001271: # 31D GAMDV10 SUBROUTINE RETURN ADDRESS
040778,001272: # 32D DVCALC SUBROUTINE RETURN ADDRESS
040779,001273: # 33D V2T100 SUBROUTINE RETURN ADDRESS
040780,001274:
040781,001275: 32,3102 71220 V2T100 STQ DLOAD
040782,001276: 32,3103 00041 33D
040783,001277: 32,3104 03636 RCON
040784,001278: 32,3105 45240 BMN DSU # ABORT IF RCON NEGATIVE
040785,001279: 32,3106 65112 V2TERROR
040786,001280: 32,3107 03646 R(T1)
040787,001281: 32,3110 77640 BMN
040788,001282: 32,3111 65115 V2T101
040789,001283: 32,3112 77776 V2TERROR EXIT # OR IF LAMBDA LESS THAN ONE
040790,001284: 32,3113 05726 TC POODOO # NO SOLUTION IF LAMBDA LESS THAN 1
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Different than comanche55 ... smc |
040792,001286: 32,3114 20610 OCT 20610
040793,001287:
040794,001288: 32,3115 43001 V2T101 SETPD CLEAR
040795,001289: 32,3116 00001 0 # PL00D
040796,001290: 32,3117 00272 F2RTE
040797,001291: 32,3120 60345 DLOAD NORM
040798,001292: 32,3121 03636 RCON
040799,001293: 32,3122 00047 X1
040800,001294: 32,3123 60325 PDDL NORM
040801,001295: 32,3124 03646 R(T1)
040802,001296: 32,3125 00051 S1
040803,001297: 32,3126 00013 STORE 10D
040804,001298: 32,3127 56342 SR1 DDV # R1/RCON = LAMBDA B1
040805,001299: 32,3130 65260 XSU,1 PDDL # PL02D
040806,001300: 32,3131 00050 S1
040807,001301: 32,3132 03726 X(T2)
040808,001302: 32,3133 77716 DSQ
040809,001303: 32,3134 43342 SR1 DAD
040810,001304: 32,3135 15334 1RTEB1
040811,001305: 32,3136 03744 STORE BETA1 # 1+X(T2)**2 = BETA1 B1
040812,001306: 32,3137 77605 DMP
040813,001307: 32,3140 00001 00D
040814,001308: 32,3141 00035 STORE 28D # BETAI*LAMBDA = BETA5
040815,001309: 32,3142 53605 DMP SL*
040816,001310: 32,3143 00001 00D
040817,001311: 32,3144 20172 0 -7,1
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|
Page 926 |
040819,001313: 32,3145 45257 SL* DSU
040820,001314: 32,3146 20172 0 -7,1
040821,001315: 32,3147 33574 1RTEB17
040822,001316: 32,3150 65234 RTB PDDL # BETA5*LAMBDA-1 = THETA1 B17 PL05D
040823,001317: 32,3151 45657 TPMODE
040824,001318: 32,3152 15334 1RTEB1
040825,001319: 32,3153 57457 SR* DCOMP
040826,001320: 32,3154 20601 0,1
040827,001321: 32,3155 41215 DAD DMP
040828,001322: 32,3156 00001 00D
040829,001323: 32,3157 03646 R(T1)
040830,001324: 32,3160 47057 SL* RTB
040831,001325: 32,3161 20172 0 -7D,1
040832,001326: 32,3162 45657 TPMODE
040833,001327: 32,3163 77725 PDDL # 2*R(T1)*(LAMBDA-1)=THETA2 B38/B36 PL08D
040834,001328: 32,3164 33674 RTMURTE
040835,001329: 32,3165 70501 NORM SR1
040836,001330: 32,3166 00050 X2
040837,001331: 32,3167 56264 XSU,2 DDV
040838,001332: 32,3170 00050 S1
040839,001333: 32,3171 00013 10D
040840,001334: 32,3172 65257 SR* PDDL # MU**.5/R(T1)=THETA3 B-4/B-5 PL10D
040841,001335: 32,3173 57170 6,2
040842,001336: 32,3174 03652 MAMAX1
040843,001337: 32,3175 41406 PUSH PUSH # MAMAX1=MA
040844,001338: 32,3176 77624 CALL
040845,001339: 32,3177 65741 XT1LIM
040846,001340: 32,3200 41476 DCOMP PUSH # X(T1)MIN B5 PL12D
040847,001341: 32,3201 40476 DCOMP SR4
040848,001342: 32,3202 41525 PDDL PUSH # DX(T1)MAX B5 PL14D
040849,001343: 32,3203 03654 MAMAX2
040850,001344: 32,3204 45006 PUSH CALL
040851,001345: 32,3205 65741 XT1LIM
040852,001346: 32,3206 50125 PDDL BMN # X(T1)MAX B5 PL16D
040853,001347: 32,3207 03730 NN1A
040854,001348: 32,3210 65213 V2T102
040855,001349: 32,3211 77650 GOTO
040856,001350: 32,3212 65225 V2T110
040857,001351:
040858,001352: # PROCEED HERE IF NOT PRECISION COMPUTATION
040859,001353:
040860,001354: 32,3213 77745 V2T102 DLOAD
040861,001355: 32,3214 03632 RTEDVD
040862,001356: 32,3215 52054 BZE GOTO
040863,001357: 32,3216 65220 V2T105
040864,001358: 32,3217 65321 V2T140
040865,001359: 32,3220 50145 V2T105 DLOAD BMN
040866,001360: 32,3221 03747 CFPA
040867,001361: 32,3222 65321 V2T140
040868,001362: 32,3223 77650 GOTO
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Page 927 |
040870,001364: 32,3224 65327 V2T145
040871,001365:
040872,001366: # DURING A PRECISION TRAJECTORY ITERATION CONSTRAIN THE INDEPENDENT
040873,001367: # VARIABLE TO INSURE THAT ALL CONICS PASS THROUGH RCON ON THE SAME PASS
040874,001368: # THROUGH X(T2)
040875,001369:
040876,001370: 32,3225 47145 V2T110 DLOAD RTB
040877,001371: 32,3226 33574 1RTEB17
040878,001372: 32,3227 45657 TPMODE
040879,001373: 32,3230 65276 DCOMP PDDL # -1 B17 PL19D
040880,001374: 32,3231 15344 2RTEB1
040881,001375: 32,3232 45257 SR* DSU
040882,001376: 32,3233 20601 0,1
040883,001377: 32,3234 00001 00D
040884,001378: 32,3235 53605 DMP SL*
040885,001379: 32,3236 00035 28D
040886,001380: 32,3237 20172 0 -7,1
040887,001381: 32,3240 76257 SL* TAD
040888,001382: 32,3241 20172 0 -7,1
040889,001383: 32,3242 65234 RTB PDDL # BETA5(2-LAMBDA)-1=BETA6 B17 PL19D
040890,001384: 32,3243 45657 TPMODE
040891,001385: 32,3244 03722 X(T1)
040892,001386: 32,3245 00001 STORE 00D # X(T1),, B5
040893,001387: 32,3246 77751 TLOAD # PL16D
040894,001388: 32,3247 53040 BMN BZE
040895,001389: 32,3250 65255 V2T115
040896,001390: 32,3251 65255 V2T115
040897,001391: 32,3252 52061 SL GOTO
040898,001392: 32,3253 20210 7
040899,001393: 32,3254 65266 V2T120
040900,001394: 32,3255 50145 V2T115 DLOAD BMN
040901,001395: 32,3256 03751 PHI2
040902,001396: 32,3257 65277 V2T125
040903,001397: 32,3260 77676 DCOMP
040904,001398: 32,3261 17751 STODL PHI2
040905,001399: 32,3262 33606 10RTE
040906,001400: 32,3263 03730 STORE NN1A
040907,001401: 32,3264 77650 GOTO
040908,001402: 32,3265 65277 V2T125
040909,001403: 32,3266 47166 V2T120 SQRT RTB
040910,001404: 32,3267 45765 DPMODE
040911,001405: 32,3270 50125 PDDL BMN # BETA6**.5=X(T1)LIM B5 PL18D
040912,001406: 32,3271 03751 PHI2
040913,001407: 32,3272 65305 V2T130
040914,001408: 32,3273 45545 DLOAD STADR # PL16D
040915,001409: 32,3274 77760 STORE 14D # X(T1)LIM = X(T1)MAX
040916,001410: 32,3275 77676 DCOMP
040917,001411: 32,3276 00013 STORE 10D # -X(T1)LIM = X(T1)MIN
040918,001412: 32,3277 53145 V2T125 DLOAD BZE
040919,001413: 32,3300 03722 X(T1)
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Page 928 |
040921,001415: 32,3301 65321 V2T140
040922,001416: 32,3302 52040 BMN GOTO
040923,001417: 32,3303 65321 V2T140
040924,001418: 32,3304 65327 V2T145
040925,001419: 32,3305 53145 V2T130 DLOAD BZE
040926,001420: 32,3306 03722 X(T1)
040927,001421: 32,3307 65316 V2T135
040928,001422: 32,3310 71240 BMN DLOAD # PL16D
040929,001423: 32,3311 65316 V2T135
040930,001424: 32,3312 77626 STADR
040931,001425: 32,3313 77764 STORE 10D # X(T1)LIM = X(T1)MIN
040932,001426: 32,3314 77650 GOTO
040933,001427: 32,3315 65327 V2T145
040934,001428: 32,3316 57545 V2T135 DLOAD DCOMP # PL16D
040935,001429: 32,3317 77626 STADR
040936,001430: 32,3320 77760 STORE 14D # -X(T1)LIM = X(T1)MAX
040937,001431: 32,3321 77745 V2T140 DLOAD
040938,001432: 32,3322 00013 10D
040939,001433: 32,3323 17722 STODL X(T1) # X(T1)MIN = X(T1)
040940,001434: 32,3324 00015 12D
040941,001435: 32,3325 52006 PUSH GOTO # DX(T1)MAX = DX(T1) PL18D
040942,001436: 32,3326 65334 V2T150
040943,001437: 32,3327 77745 V2T145 DLOAD
040944,001438: 32,3330 00017 14D
040945,001439: 32,3331 17722 STODL X(T1) # X(T1)MAX = X(T1)
040946,001440: 32,3332 00015 12D
040947,001441: 32,3333 41476 DCOMP PUSH # -DX(T1)MAX = DX(T1) PL18D
040948,001442: 32,3334 77624 V2T150 CALL # GOTO X(T1)-DV ITERATOR
040949,001443: 32,3335 65464 GAMDV10
040950,001444: 32,3336 53145 DLOAD BZE # EXIT IF MINIMUM FUEL MODE
040951,001445: 32,3337 03632 RTEDVD
040952,001446: 32,3340 65462 V2T1X
040953,001447:
040954,001448: # CONTINUE IF TIME CRITICAL MODE
040955,001449:
040956,001450: 32,3341 50025 DSU BMN
040957,001451: 32,3342 03706 DV
040958,001452: 32,3343 65346 V2T155
040959,001453: 32,3344 77650 GOTO
040960,001454: 32,3345 65401 V2T175
040961,001455: 32,3346 50145 V2T155 DLOAD BMN
040962,001456: 32,3347 03730 NN1A
040963,001457: 32,3350 65353 V2T160
040964,001458: 32,3351 77650 GOTO
040965,001459: 32,3352 65423 V2T185
040966,001460:
040967,001461: # CONIC TRAJECTORY COMPUTATION
040968,001462:
040969,001463: 32,3353 53145 V2T160 DLOAD BZE
040970,001464: 32,3354 03722 X(T1)
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Page 929 |
040972,001466: 32,3355 65361 V2T165
040973,001467: 32,3356 52040 BMN GOTO
040974,001468: 32,3357 65361 V2T165
040975,001469: 32,3360 65460 V2T300
040976,001470: 32,3361 53145 V2T165 DLOAD BZE
040977,001471: 32,3362 03747 CFPA
040978,001472: 32,3363 65460 V2T300
040979,001473: 32,3364 71240 BMN DLOAD
040980,001474: 32,3365 65460 V2T300
040981,001475: 32,3366 00017 14D
040982,001476: 32,3367 17722 STODL X(T1) # X(T1)MAX=X(T1)
040983,001477: 32,3370 00015 12D
040984,001478: 32,3371 77676 DCOMP
040985,001479: 32,3372 34021 STCALL 16D # -DX(T1)MAX=DX(T1)
040986,001480: 32,3373 65464 GAMDV10
040987,001481: 32,3374 45345 DLOAD DSU
040988,001482: 32,3375 03632 RTEDVD
040989,001483: 32,3376 03706 DV
040990,001484: 32,3377 77640 BMN
040991,001485: 32,3400 65460 V2T300
040992,001486: 32,3401 71214 V2T175 SET DLOAD
040993,001487: 32,3402 00072 F2RTE
040994,001488: 32,3403 03722 X(T1)
040995,001489: 32,3404 77614 BOFF
040996,001490: 32,3405 02742 SLOWFLG
040997,001491: 32,3406 65413 V2T177
040998,001492: 32,3407 14013 STODL 10D # X(T1)MIN
040999,001493: 32,3410 00015 12D # DX(T1)MAX
041000,001494: 32,3411 77650 GOTO
041001,001495: 32,3412 65416 V2T179
041002,001496: 32,3413 14017 V2T177 STODL 14D
041003,001497: 32,3414 00015 12D
041004,001498: 32,3415 77676 DCOMP
041005,001499: 32,3416 34021 V2T179 STCALL 16D # DX(T1)
041006,001500: 32,3417 65464 GAMDV10
041007,001501: 32,3420 50145 DLOAD BMN
041008,001502: 32,3421 03730 NN1A
041009,001503: 32,3422 65460 V2T300
041010,001504:
041011,001505: # PREVENT A LARGE CHANGE IN INDEPENDENT VARIABLE DURING AN ITERATION FOR A
041012,001506: # PRECISION TRAJECTORY
041013,001507:
041014,001508: 32,3423 45345 V2T185 DLOAD DSU
041015,001509: 32,3424 03722 X(T1)
041016,001510: 32,3425 00001 00D
041017,001511: 32,3426 65246 ABS PDDL # /X(T1)-X(T1),,/ = BETA7
041018,001512: 32,3427 00015 12D
041019,001513: 32,3430 44352 SL1 BDSU
041020,001514: 32,3431 71240 BMN DLOAD
041021,001515: 32,3432 65460 V2T300
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Page 930 |
041023,001517: 32,3433 00001 00D # CONTINUE IF BETA7 LARGER THAN 2DX(T1)MAX
041024,001518: 32,3434 03722 STORE X(T1) # X(T1),, = X(T1)
041025,001519: 32,3435 50025 DSU BMN
041026,001520: 32,3436 00017 14D
041027,001521: 32,3437 65445 V2T195
041028,001522: 32,3440 77745 DLOAD
041029,001523: 32,3441 00017 14D
041030,001524: 32,3442 03722 STORE X(T1) # X(T1)MAX = X(T1)
041031,001525: 32,3443 77650 GOTO
041032,001526: 32,3444 65456 V2T205
041033,001527: 32,3445 45345 V2T195 DLOAD DSU
041034,001528: 32,3446 03722 X(T1)
041035,001529: 32,3447 00013 10D
041036,001530: 32,3450 52040 BMN GOTO
041037,001531: 32,3451 65453 V2T200
041038,001532: 32,3452 65456 V2T205
041039,001533: 32,3453 77745 V2T200 DLOAD
041040,001534: 32,3454 00013 10D
041041,001535: 32,3455 03722 STORE X(T1) # X(T1)MIN = X(T1)
041042,001536: 32,3456 77624 V2T205 CALL
041043,001537: 32,3457 65665 DVCALC
041044,001538: 32,3460 77745 V2T300 DLOAD
041045,001539: 32,3461 15330 ZERORTE
041046,001540: 32,3462 77650 V2T1X GOTO
041047,001541: 32,3463 00041 33D
041048,001542:
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Page 931 |
041050,001544: # X(T1)-DV ITERATOR SUBROUTINE
041051,001545:
041052,001546: # DESCRIPTION
041053,001547: # COMPUTES A POST IMPULSE VELOCITY VECTOR (V2(T1)) WHICH REQUIRES A MINIMUM DV.
041054,001548:
041055,001549: # CALLING SEQUENCE
041056,001550: # L CALL
041057,001551: # L+1 GAMDV10
041058,001552:
041059,001553: # NORMAL EXIT MODE
041060,001554: # AT L+2 OF CALLING SEQUENCE
041061,001555:
041062,001556: # ALARM EXIT MODE
041063,001557: # AT V2T1X WITH MPAC = OCTAL 605 FOR EXCESS ITERATIONS
041064,001558:
041065,001559: # SUBROUTINES CALLED
041066,001560: # DVCALC
041067,001561:
041068,001562: # ERASABLE INITIALIZATION REQUIRED
041069,001563: # PUSHLIST
041070,001564: # 02D THETA1=BETA5*LAMBDA-1 TP B17
041071,001565: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
041072,001566: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
041073,001567: # 10D X(T1)MIN=LOWER BOUND ON INDEPENDENT VARIABLE X(T1) DP B5
041074,001568: # 12D DX(T1)MAX=MAXIMUM DX(T1) DP B5
041075,001569: # 14D X(T1)MAX=UPPER BOUND ON INDEPENDENT VARIABLE X(T1) DP B5
041076,001570: # 16D DX(T1)=ITERATOR INCREMENT DP B5
041077,001571: # MPAC
041078,001572: # NONE
041079,001573: # OTHER
041080,001574: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
041081,001575: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
041082,001576: # UR1/ UNIT INITIAL VECTOR VECTOR B1
041083,001577: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
041084,001578: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE (FROM VERTICAL) DP B5
041085,001579: # F2RTE TIME CRITICAL OR MINIMUM FUEL MODE INDICATOR STATE AREA 0 MIN. FUEL, 1 MIN. TIME
041086,001580:
041087,001581: # OUTPUT
041088,001582: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
041089,001583: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
041090,001584: # X(T1) COTANGENT OF INITIAL FPA MEASURED FROM VERTICAL DP B5
041091,001585: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
041092,001586:
041093,001587: # DEBRIS
041094,001588: # PUSHLIST
041095,001589: # 00D X(T1),,
041096,001590: # 02D THETA1
041097,001591: # 05D THETA2
041098,001592: # 08D THETA3
041099,001593: # 10D X(T1)MIN
041100,001594: # 12D DX(T1)MAX
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Page 932 |
041102,001596: # 14D X(T1)MAX
041103,001597: # 16D DX(T1)
041104,001598: # 22D DV,=PREVIOUS DV DP B7/B5
041105,001599: # 24D BETA9=X(T1)+1.1DX(T1) DP B5
041106,001600: # 31D GAMDV10 SUBROUTINE RETURN ADDRESS
041107,001601: # 32D DVCALC SUBROUTINE RETURN ADDRESS
041108,001602: # 33D V2T100 SUBROUTINE RETURN ADDRESS
041109,001603:
041110,001604: 32,3464 77620 GAMDV10 STQ
041111,001605: 32,3465 00037 31D
041112,001606: 32,3466 45001 SETPD CALL
041113,001607: 32,3467 00023 18D # PL18D
041114,001608: 32,3470 65665 DVCALC
041115,001609: 32,3471 45345 DLOAD DSU
041116,001610: 32,3472 00017 14D
041117,001611: 32,3473 00013 10D
041118,001612: 32,3474 77600 BOV
041119,001613: 32,3475 65515 GAMDV20
041120,001614: 32,3476 45206 PUSH DSU # X(T1)MAX-X(T1)MIN=BETA8 B5 PL20D
041121,001615: 32,3477 33576 EPC9RTE
041122,001616: 32,3500 71240 BMN DLOAD
041123,001617: 32,3501 65663 GAMDVX # BOUNDS CLOSE TOGETHER
041124,001618: 32,3502 00023 18D
041125,001619: 32,3503 50025 DSU BMN # BETA8-DX(T1)MAX
041126,001620: 32,3504 00015 12D
041127,001621: 32,3505 65511 GAMDV15
041128,001622: 32,3506 52001 SETPD GOTO # PL18D
041129,001623: 32,3507 00023 18D
041130,001624: 32,3510 65515 GAMDV20
041131,001625: 32,3511 77745 GAMDV15 DLOAD # PL18D
041132,001626: 32,3512 70565 SIGN SR1
041133,001627: 32,3513 00021 16D
041134,001628: 32,3514 00021 STORE 16D # BETA8(SIGNDX(T1))/2=DX(T1)
041135,001629: 32,3515 77745 GAMDV20 DLOAD
041136,001630: 32,3516 33602 M144RTE
041137,001631: 32,3517 03546 STORE NN2
041138,001632: 32,3520 43345 GAMDV25 DLOAD DAD
041139,001633: 32,3521 03546 NN2
041140,001634: 32,3522 33600 1RTEB28
041141,001635: 32,3523 67240 BMN SLOAD
041142,001636: 32,3524 65530 GAMDV30
041143,001637: 32,3525 33630 OCT605
041144,001638: 32,3526 77650 GOTO
041145,001639: 32,3527 65462 V2T1X
041146,001640: 32,3530 03546 GAMDV30 STORE NN2 # NN2=NN2+1
041147,001641: 32,3531 65345 DLOAD PDDL # X(T1)=X(T1), B5 PL20D
041148,001642: 32,3532 03722 X(T1)
041149,001643: 32,3533 03706 DV
041150,001644: 32,3534 43325 PDDL DAD # DV=DV, B7/B5 PL22D
041151,001645: 32,3535 03722 X(T1)
041152,001646: 32,3536 00021 16D
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|
Page 933 |
041154,001648: 32,3537 37722 STCALL X(T1) # X(T1)+DX(T1)=X(T1) B5
041155,001649: 32,3540 65665 DVCALC
041156,001650: 32,3541 71214 BON DLOAD
041157,001651: 32,3542 00312 F2RTE
041158,001652: 32,3543 65557 GAMDV35
041159,001653: 32,3544 03706 DV
041160,001654: 32,3545 50025 DSU BMN # CONTINUE IF FUEL CRITICAL MODE
041161,001655: 32,3546 00025 20D
041162,001656: 32,3547 65554 GAMDV33
041163,001657: 32,3550 57545 GAMDV32 DLOAD DCOMP
041164,001658: 32,3551 00021 16D
041165,001659: 32,3552 77742 SR1
041166,001660: 32,3553 00021 STORE 16D
041167,001661: 32,3554 52001 GAMDV33 SETPD GOTO
041168,001662: 32,3555 00023 18D # PL18D
041169,001663: 32,3556 65622 GAMDV50
041170,001664:
041171,001665: # TIME CRITICAL MODE
041172,001666:
041173,001667: 32,3557 45345 GAMDV35 DLOAD DSU
041174,001668: 32,3560 03632 RTEDVD
041175,001669: 32,3561 03706 DV
041176,001670: 32,3562 41525 PDDL PUSH # DVD-DV=DVERR B7/B5 PL22D
041177,001671: 32,3563 51545 GAMDV40 DLOAD ABS # DV, PL24D
041178,001672: 32,3564 00025 20D
041179,001673: 32,3565 50025 DSU BMN
041180,001674: 32,3566 33660 EPC10RTE
041181,001675: 32,3567 65663 GAMDVX
041182,001676: 32,3570 71204 GAMDV45 BOVB DLOAD
041183,001677: 32,3571 57544 TCDANZIG # ASSURE OVFIND IS 0
041184,001678: 32,3572 60221 BDSU NORM
041185,001679: 32,3573 03706 DV
041186,001680: 32,3574 00050 X2
041187,001681: 32,3575 77725 PDDL # DV-DV, B7/B5-N2 PL22D
041188,001682: 32,3576 70501 NORM SR1 # DVERR B8/B6-N1
041189,001683: 32,3577 00047 X1
041190,001684: 32,3600 65271 DDV PDDL # DVERR/ DV - DV
041191,001685: 32,3601 41221 BDSU DMP # PL18D
041192,001686: 32,3602 03722 X(T1)
041193,001687: 32,3603 77660 XSU,1
041194,001688: 32,3604 00047 X2
041195,001689: 32,3605 00021 STORE 16D # PRESERVE SIGN IF OVERFLOW
041196,001690: 32,3606 40057 SR* BOV
041197,001691: 32,3607 20600 0 -1,1
041198,001692: 32,3610 65616 GAMDV47
041199,001693: 32,3611 00021 STORE 16D # (X(T1)-X(T1),)DVERR/(DV-DV,)=DX(T1)
041200,001694: 32,3612 45246 ABS DSU
041201,001695: 32,3613 00015 12D
041202,001696: 32,3614 77640 BMN
041203,001697: 32,3615 65622 GAMDV50
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|
Page 934 |
041205,001699: 32,3616 75345 GAMDV47 DLOAD SIGN
041206,001700: 32,3617 00015 12D
041207,001701: 32,3620 00021 16D
041208,001702: 32,3621 00021 STORE 16D # DX(T1)MAX(SIGNDX(T1))=DX(T1)
041209,001703:
041210,001704: # CHECK TO KEEP INDEPENDENT VARIABLE IN BOUNDS
041211,001705:
041212,001706: 32,3622 41345 GAMDV50 DLOAD DMP
041213,001707: 32,3623 00021 16D
041214,001708: 32,3624 33612 1.1RTEB1
041215,001709: 32,3625 43352 SL1 DAD
041216,001710: 32,3626 03722 X(T1)
041217,001711: 32,3627 00031 STORE 24D # X(T1)+1.1DX(T1)=BETA9 B5
041218,001712: 32,3630 50025 DSU BMN
041219,001713: 32,3631 00017 14D
041220,001714: 32,3632 65641 GAMDV55
041221,001715: 32,3633 45345 DLOAD DSU
041222,001716: 32,3634 00017 14D
041223,001717: 32,3635 03722 X(T1)
041224,001718: 32,3636 77742 SR1
041225,001719: 32,3637 34021 STCALL 16D # (X(T1)MAX-X(T1))/2=DX(T1) B5
041226,001720: 32,3640 65654 GAMDV65
041227,001721: 32,3641 45345 GAMDV55 DLOAD DSU
041228,001722: 32,3642 00031 24D
041229,001723: 32,3643 00013 10D
041230,001724: 32,3644 52040 BMN GOTO
041231,001725: 32,3645 65647 GAMDV60
041232,001726: 32,3646 65654 GAMDV65
041233,001727: 32,3647 45345 GAMDV60 DLOAD DSU
041234,001728: 32,3650 00013 10D
041235,001729: 32,3651 03722 X(T1)
041236,001730: 32,3652 77742 SR1
041237,001731: 32,3653 00021 STORE 16D # (X(T1)MIN-X(T1))/2=DX(T1) B5
041238,001732: 32,3654 51545 GAMDV65 DLOAD ABS
041239,001733: 32,3655 00021 16D
041240,001734: 32,3656 50025 DSU BMN
041241,001735: 32,3657 33576 EPC9RTE
041242,001736: 32,3660 65663 GAMDVX
041243,001737: 32,3661 77650 GOTO
041244,001738: 32,3662 65520 GAMDV25
041245,001739: 32,3663 77650 GAMDVX GOTO
041246,001740: 32,3664 00037 31D
041247,001741:
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|
Page 935 |
041249,001743: # DV CALCULATION SUBROUTINE
041250,001744:
041251,001745: # INPUT
041252,001746: # PUSHLIST
041253,001747: # 02D THETA1=BETA5*LAMBDA-1 TP B17
041254,001748: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
041255,001749: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
041256,001750: # OTHER
041257,001751: # X(T1) COTANGENT OF POST IMPULSE INITIAL FLIGHT PATH ANGLE DP B5
041258,001752: # V(T1)/ INITIAL VELOCITY VECTOR (PRE IMPULSE) VECTOR B7/B5 METERS/CS
041259,001753: # UR1/ UNIT INITIAL VECTOR VECTOR B1
041260,001754: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
041261,001755:
041262,001756: # OUTPUT
041263,001757: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
041264,001758: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
041265,001759: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
041266,001760:
041267,001761: # DEBRIS
041268,001762: # 28D THETA3*PCON**.5 DP B10/B8-N1
041269,001763: # C(PUSLOC) THETA3(PCON**.5)*X(T1)*UR1/ VECTOR B7/B5
041270,001764: # 32D DVCALC SUBROUTINE RETURN ADDRESS
041271,001765: # X1 NORMALIZATION FACTOR FOR VALUE IN 28D
041272,001766:
041273,001767: # PUSHLOC IS RESTORED TO ITS ENTRANCE VALUE UPON EXITING DVCALC
041274,001768:
041275,001769: 32,3665 71220 DVCALC STQ DLOAD
041276,001770: 32,3666 00040 32D
041277,001771: 32,3667 03722 X(T1)
041278,001772: 32,3670 54316 DSQ SR
041279,001773: 32,3671 20610 7
041280,001774: 32,3672 76276 DCOMP TAD
041281,001775: 32,3673 00003 02D
041282,001776: 32,3674 41501 NORM PUSH
041283,001777: 32,3675 00047 X1
041284,001778: 32,3676 60351 TLOAD NORM
041285,001779: 32,3677 00006 05D
041286,001780: 32,3700 00050 X2
041287,001781: 32,3701 70434 RTB SR1
041288,001782: 32,3702 45765 DPMODE
041289,001783: 32,3703 56264 XSU,2 DDV
041290,001784: 32,3704 00046 X1
041291,001785: 32,3705 77657 SR*
041292,001786: 32,3706 57170 6,2
041293,001787: 32,3707 03720 STORE PCON # THETA2/(THETA1-X(T1)**2)=PCON B28/26
041294,001788: 32,3710 41366 SQRT DMP
041295,001789: 32,3711 00011 08D
041296,001790: 32,3712 77701 NORM
041297,001791: 32,3713 00047 X1
041298,001792: 32,3714 14035 STODL 28D # THETA3*PCON**.5 B10/B8 -N1
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|
Page 936 |
041300,001794: 32,3715 03722 X(T1)
041301,001795: 32,3716 74301 NORM VXSC
041302,001796: 32,3717 00050 X2
041303,001797: 32,3720 03554 UR1/ # X(T1)*UR1/ B5+B1 -N2
041304,001798: 32,3721 74274 XAD,2 VXSC
041305,001799: 32,3722 00046 X1
041306,001800: 32,3723 00035 28D
041307,001801: 32,3724 63257 VSR* PDVL # THETA3(PCON**.5)X(T1)*UR1/ B7/B5
041308,001802: 32,3725 57207 0 -9D,2 # +
041309,001803: 32,3726 03562 UH/
041310,001804: 32,3727 53761 VXSC VSR* # THETA3(PCON**.5)UH/ B7/B5
041311,001805: 32,3730 00035 28D
041312,001806: 32,3731 20575 0 -4,1 # =
041313,001807: 32,3732 45455 VAD STADR
041314,001808: 32,3733 74077 STORE V2(T1)/ # V2(T1)/ B7/B5
041315,001809: 32,3734 51451 VSU ABVAL
041316,001810: 32,3735 03672 V(T1)/
041317,001811: 32,3736 03706 STORE DV # ABVAL(V2(T1)/-V1(T)/)=DV B7/B5
041318,001812: 32,3737 77650 GOTO
041319,001813: 32,3740 00040 32D
041320,001814:
|
|
Page 937 |
041322,001816: # SUBROUTINE TO COMPUTE BOUNDS ON INDEPENDENT VARIABLE X(T1)
041323,001817:
041324,001818: # INPUT
041325,001819: # PUSHLIST
041326,001820: # PUSHLOC -4 MAJOR AXIS (MA) DP B30/B28
041327,001821: # PUSHLOC -2 MAJOR AXIS (MA) AGAIN DP B30/B28
041328,001822: # 28D BETA5=LAMBDA*BETA1 DP B9
041329,001823: # OTHER
041330,001824: # RCON DP B29/B27
041331,001825: # R(T1) DP B29/B27
041332,001826:
041333,001827: # OUTPUT
041334,001828: # MPAC
041335,001829: # X(T1)LIM LIMIT ON INDEPENDENT VARIABLE X(T1) DP B5
041336,001830:
041337,001831: # DEBRIS
041338,001832: # PUSHLIST
041339,001833: # C(PUSHLOC) MA-RCON DP (B30/28)-N1
041340,001834: # C(PSHLOC)+2 MA DP B30/B28
041341,001835: # X1 NORMALIZATION FACTOR FOR MA-RCON
041342,001836: # 20D XT1LIM SUBROUTINE RETURN ADDRESS
041343,001837: # PUSHLOC IS RESTORED TO ITS ENTRANCE VALUE UPON EXITING XT1LIM
041344,001838:
041345,001839: 32,3741 71220 XT1LIM STQ DLOAD
041346,001840: 32,3742 00024 20D
041347,001841: 32,3743 03636 RCON
041348,001842: 32,3744 44342 SR1 BDSU
041349,001843: 32,3745 65301 NORM PDDL # MA-RCON B30-N1
041350,001844: 32,3746 00050 X2
041351,001845: 32,3747 70525 PDDL SR1
041352,001846: 32,3750 03646 R(T1)
041353,001847: 32,3751 56221 BDSU DDV
041354,001848: 32,3752 41257 SL* DMP
041355,001849: 32,3753 57601 0 -3,2
041356,001850: 32,3754 00035 28D
041357,001851: 32,3755 45257 SL* DSU # BETA10=BETA5(MA-RT)/(MA-RC)-1 B11
041358,001852: 32,3756 20173 0 -6,1
041359,001853: 32,3757 33577 1RTEB25 +1 # 1.0 B-11
041360,001854: 32,3760 40152 SL1 BOV # B10
041361,001855: 32,3761 65765 XT1LIM2
041362,001856: 32,3762 52040 BMN GOTO
041363,001857: 32,3763 65771 XT1LIM5
041364,001858: 32,3764 65767 XT1LIM3
041365,001859: 32,3765 77745 XT1LIM2 DLOAD # BETA10=POSMAX IF OVERFLOW
041366,001860: 32,3766 15344 2RTEB1
041367,001861: 32,3767 52166 XT1LIM3 SQRT GOTO # X(T1)=SQRT(BETA10) B5
041368,001862: 32,3770 65773 XT1LIMX
041369,001863: 32,3771 77745 XT1LIM5 DLOAD
041370,001864: 32,3772 15330 ZERORTE
041371,001865: 32,3773 77650 XT1LIMX GOTO
041372,001866: 32,3774 00024 20D
041373,001867:
|
|
Page 938 |
041375,001869: # CONSTANTS FOR THE P37 AND P70 PROGRAMS AND SUBROUTINES
041376,001870:
041377,001871: 35,2000 SETLOC RTECON1
041378,001872: 35,2000 BANK
041379,001873:
041380,001874: 35,3571 COUNT* $$/P37
041381,001875: 35,3571 26,3333 1RTEB1 = UNITX
041382,001876: 35,3571 26,3325 1RTEB2 = DP1/4TH
041383,001877: 35,3571 34,3766 1RTEB3 = DP2(-3)
041384,001878: 35,3571 34,3770 1RTEB4 = DP2(-4)
041385,001879: 35,3571 00002 00000 1RTEB13 2DEC 1. B-13
041386,001880: 35,3573 00000 04000 1RTEB17 2DEC 1. B-17
041387,001881: 35,3575 00000 00010 1RTEB25 2DEC 1. B-25
041388,001882: # * * B25 AND B28 MUST BE CONSECUTIVE * *
041389,001883: 35,3577 00000 00001 1RTEB28 2DEC 1. B-28
041390,001884: 35,3601 26,3327 ZERORTE = UNITZ
041391,001885: 35,3601 77777 77557 M144RTE 2DEC -144. B-28
041392,001886: 35,3603 77777 77760 M15RTE 2DEC -15 B-28
041393,001887: 35,3605 00000 00012 10RTE 2DEC 10 B-28
041394,001888: 35,3607 54631 63145 M.6RTE 2DEC -.6
041395,001889: 35,3611 21463 06315 1.1RTEB1 2DEC 1.1 B-1
041396,001890: 35,3613 26,3343 2RTEB1 = DPPOSMAX
041397,001891: 35,3613 77777 77766 M9RTEB28 2DEC -9 B-28
041398,001892: 35,3615 77777 77767 M8RTEB28 2DEC -8 B-28
041399,001893: 35,3617 00000 35610 30480RTE 2DEC 30480. B-29
041400,001894: 35,3621 37405 12250 VCSPS 2DEC 31.510396 B-5 # (SEE 2VEXHUST)
041401,001895: 35,3623 33041 37714 VCRCS 2DEC 27.0664 B-5
041402,001896: 35,3625 00003 13241 MDOTRCS 2DEC .0016375 B-3
041403,001897: 35,3627 26,3333 CSUBT = UNITX
041404,001898: 35,3627 00605 OCT605 OCT 00605
041405,001899: 35,3630 00612 OCT612 OCT 00612
041406,001900: 35,3631 40214 45266 MCOS7.5 2DEC -.99144486
041407,001901: 35,3633 73645 56536 MSIN7.5 2DEC -.13052619
|
|
Page 939 |
041409,001903: 35,3635 70467 71205 MCOS22.5 2DEC -.92387953 B-2
041410,001904: 35,3637 16525 12525 THETA165 2DEC .458333333
041411,001905: 35,3641 22525 12525 THETA210 2DEC .583333333
041412,001906: 35,3643 17775 06676 EPC1RTE 2DEC .99966 B-1
041413,001907: 35,3645 00000 00062 EPC2RTE 2DEC 100. B-29
041414,001908: 35,3647 00020 14223 EPC3RTE 2DEC .001
041415,001909: 35,3651 00000 05174 EPC4RTE 2DEC .00001
041416,001910: 35,3653 00000 01654 EPC6RTE 2DEC .000007 B-1
041417,001911: 35,3655 00000 00764 EPC7RTE 2DEC 1000. B-29
041418,001912: 35,3657 35,3575 EPC9RTE = 1RTEB25
041419,001913: 35,3657 00000 00322 EPC10RTE 2DEC .0001 B-7
041420,001914:
041421,001915: 35,3661 BANK 35
041422,001916: 35,2000 SETLOC RTECON1
041423,001917: 35,2000 BANK
041424,001918: 35,3661 COUNT* $$/P37
041425,001919: 35,3661 75725 75417 C4RTE 2DEC -6.986643 E7 B-30
041426,001920: 35,3663 00325 23740 K1RTE 2DEC 7. E6 B-29
041427,001921: 35,3665 00306 06614 K2RTE 2DEC 6495000. B-29
041428,001922: 35,3667 76027 70156 K3RTE 2DEC -.06105
041429,001923: 35,3671 74517 54131 K4RTE 2DEC -.10453
041430,001924: 35,3673 30276 05001 RTMURTE 2DEC 199650.501 B-18
041431,001925: 35,3675 00003 27040 E3RTE 2DEC 121920. B-29
End of include-file P37,P70.agc. Parent file is MAIN.agc