Source Code
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These source-code files were obtained by digitally photographing
an Artemis 72 program listing from a private collection and then
modifying pre-existing Comanche 55 (Apollo 11) source files to
incorporate changes. 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. |
039330,000002: ## Copyright: Public domain.
039331,000003: ## Filename: P37_P70.agc
039332,000004: ## Purpose: Part of the source code for Artemis (i.e., Colossus 3),
039333,000005: ## build 072. This is for the Command Module's (CM)
039334,000006: ## Apollo Guidance Computer (AGC), we believe for
039335,000007: ## Apollo 15-17.
039336,000008: ## Assembler: yaYUL
039337,000009: ## Contact: Steve Case <case1780@adelphia.net>
039338,000010: ## Website: www.ibiblio.org/apollo/index.html
039339,000011: ## Page Scans: www.ibiblio.org/apollo/ScansForConversion/Artemis072/
039340,000012: ## Mod history: 2009-09-01 SMC Adapted from Comanche055 files.
039341,000013: ## 2009-09-03 JL Fixed symbol names, page metadata.
039342,000014: ## 2009-09-04 JL Fixed typo.
039343,000015: ## 2009-09-08 JL Fixed typos.
039344,000016: ## 2010-02-01 JL Fixed build errors.
039345,000017: ## 2010-02-13 JL Fixed error on p905.
039346,000018: ## 2010-02-20 RSB Un-##'d this header.
039347,000019: ## 2010-04-11 JL Add missing comment characters.
039348,000020:
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Page 897 |
039350,000022: 36,2000 SETLOC RTE1
039351,000023: 36,2000 BANK
039352,000024:
039353,000025: 36,2476 E7,1631 EBANK= RTEDVD
039354,000026: 36,2476 COUNT* $$/P37
039355,000027:
039356,000028: # PROGRAM DESCRIPTION - P37, RETURN TO EARTH
039357,000029:
039358,000030: # DESCRIPTION
039359,000031: # A RETURN TO EARTH TRAJECTORY IS COMPUTED PROVIDED THE CSM IS OUTSIDE THE LUNAR SPHERE OF INFLUENCE AT THE
039360,000032: # TIME OF IGNITION. INITIALLY A CONIC TRAJECTORY IS DETERMINED AND RESULTING IGNITION AND REENTRY PARAMETERS ARE
039361,000033: # DISPLAYED TO THE ASTRONAUT. THEN IF THE ASTRONAUT SO DESIRES, A PRECISION TRAJECTORY IS DETERMINED WTIH THE
039362,000034: # RESULTING IGNITION AND REENTRY PARAMETERS DISPLAYED. UPON FINAL ACCEPTANCE BY THE ASTRONAUT, THE PROGRAM
039363,000035: # COMPUTES AND STORES THE TARGET PARAMETERS FOR RETURN TO EARTH FOR USE BY SPS PROGRAM (P40) OR RCS PROGRAM (P41).
039364,000036:
039365,000037: # CALLING SEQUENCE
039366,000038: # L TC P37
039367,000039:
039368,000040: # SUBROUTINES CALLED
039369,000041: # PREC100
039370,000042: # V2T100
039371,000043: # RTENCK2
039372,000044: # RTENCK3
039373,000045: # TIMERAD
039374,000046: # PARAM
039375,000047: # V2T100
039376,000048: # GAMDV10
039377,000049: # XT1LIM
039378,000050: # DVCALC
039379,000051: # RTENCK1
039380,000052: # INTSTALL
039381,000053: # INTEGRVS
039382,000054: # RTEVN
039383,000055: # RETDISP
039384,000056: # TMRAD100
039385,000057: # AUGEKUGL
039386,000058: # LAT-LONG
039387,000059: # TMRAD100
039388,000060: # TIMERAD
039389,000061: # INVC100
039390,000062: # CSMPREC
039391,000063: # GETERAD
039392,000064: # TIMETHET
039393,000065: # P370ALRM
039394,000066: # VN1645
039395,000067: # POLY
039396,000068:
039397,000069: # ERASABLE INITIALIZATION REQUIRED
039398,000070: # CSM STATE VECTOR
039399,000071: # NJETSFLG NUMBER OF JETS IF THE RCS PROPULSION SYSTEM SELECTED STATE FLAG 0=4 JETS 1=2 JETS
039400,000072:
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Page 898 |
039402,000074: # ASTRONAUT INPUT
039403,000075: # SPRTETIG TIME OF IGNITION (OVERLAYS TIG) DP B28 CS
039404,000076: # VPRED DESIRED CHANGE IN VELOCITY AT TIG(PROGRM COMPUTED IF 0) DP B7 METERS/CS
039405,000077: # GAMMAEI DESIRED FLIGHT PATH ANGLE AT REENTRY (COMPUTED IF 0) DP B0 REVS + ABOVE HORIZ.
039406,000078: # OPTION2 PROPULSION SYSTEM OPTION SP B14 1=SPS, 2=RCS
039407,000079:
039408,000080: # OUTPUT
039409,000081: # CONIC OR PRECISION TRAJECTORY DISPLAY
039410,000082: # VPRED VELOCITY MAGNITUDE AT 400,000 FT. ENTRY ALTITUDE DP B7 METERS/CS
039411,000083: # T3TOT4 TRANSIT TIME TO 400,000 FT. ENTRY ALTITUDE DP B28 CS
039412,000084: # GAMMAEI FLIGHT PATH ANGLE AT 400,000 FT. ENTRY ALTITUDE DP B0 REVS + ABOVE HORIZON
039413,000085: # DELVLVC INITIAL VELOCITY CHANGE VECTOR IN LOCAL VERTICAL COORD. VECTOR B7 METERS/CS
039414,000086: # LAT(SPL) LATITUDE OF THE LANDING SITE DP B0 REVS
039415,000087: # LNG(SPL) LONGITUDE OF THE LANDING SITE DP B0 REVS
039416,000088: # TARGETING COMPUTATION DISPLAY
039417,000089: # TIG RECOMPUTED TIG BASED ON THRUST OPTION DP B28 CS
039418,000090: # TTOGO TIME FROM TIG DP B28 CS
039419,000091: # +MGA POSITIVE MIDDLE GIMBAL ANGLE DP B0 REVS -.02 IF REFSMFLG=0
039420,000092: # THRUST PROGRAM COMMUNICATION
039421,000093: # XDELVFLG EXTERNAL DELTA V FLAG STATE FLAG SET 0 FOR LAMBERT AIMPT
039422,000094: # NORMSW LAMBERT AIMPT ROTATION SWITCH STATE FLAG SET 0 FOR NO ROTATION
039423,000095: # ECSTEER CROSS PRODUCT STEERING CONSTANT SP B2 SET 1
039424,000096: # RTARG CONICALLY INTEGRATED REENTRY POSITION VECTOR VECTOR B29 METERS
039425,000097: # TPASS4 REENTRY TIME DP B28 CS
039426,000098:
039427,000099: 36,2476 05402 P37 TC PHASCHNG # P37 IS NOT RESTARTABLE.
039428,000100: 36,2477 00004 OCT 4
039429,000101:
039430,000102: 36,2500 06006 TC INTPRET
039431,000103: 36,2501 66170 AXT,1 SXA,1
039432,000104: 36,2502 04000 OCT 04000
039433,000105: 36,2503 03424 ECSTEER
039434,000106: 36,2504 77745 DLOAD
039435,000107: 36,2505 15336 ZEROVECS
039436,000108: 36,2506 03757 STORE VPRED
039437,000109: 36,2507 03761 STORE GAMMAEI
039438,000110: 36,2510 77776 EXIT
039439,000111: 36,2511 35026 CAF V6N33RTE # INPUT TIG STORED IN SPRTETIG
039440,000112: 36,2512 03246 TCR P370GOF # OVERLAYED WITH TIG
039441,000113: 36,2513 12511 TCF -2 # DISPLAY NEW DATA
039442,000114: 36,2514 35033 CAF V6N60RTE # INPUT REENTRY ANGLE IN GAMMAEI
039443,000115: 36,2515 03222 TCR P37GFRB1 # AND DESIRED DELTA V IN RTEDVD
039444,000116: 36,2516 12514 TCF -2 # DISPLAY NEW DATA
039445,000117: 36,2517 06006 RTE299 TC INTPRET
039446,000118: 36,2520 71331 SSP DLOAD
039447,000119: 36,2521 00122 OVFIND
039448,000120: 36,2522 00000 0
039449,000121: 36,2523 03757 VPRED
039450,000122: 36,2524 17632 STODL RTEDVD
039451,000123: 36,2525 03761 GAMMAEI
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Page 899 |
039453,000125: 36,2526 17634 STODL RTEGAM2D
039454,000126: 36,2527 33572 1RTEB13
039455,000127: 36,2530 17551 STODL CONICX1
039456,000128: 36,2531 33662 C4RTE
039457,000129: 36,2532 37652 STCALL MAMAX1
039458,000130: 36,2533 64455 INVC100 # GET R(T1)/,V(T1)/,UR1/,UH/
039459,000131: 36,2534 71214 CLEAR DLOAD
039460,000132: 36,2535 02662 SLOWFLG
039461,000133: 36,2536 03632 RTEDVD
039462,000134: 36,2537 51444 BPL ABS
039463,000135: 36,2540 74550 RTE317
039464,000136: 36,2541 03632 STORE RTEDVD
039465,000137: 36,2542 45345 DLOAD DSU
039466,000138: 36,2543 03646 R(T1)
039467,000139: 36,2544 33664 K1RTE
039468,000140: 36,2545 43040 BMN SET
039469,000141: 36,2546 74550 RTE317
039470,000142: 36,2547 02462 SLOWFLG
039471,000143: 36,2550 77545 RTE317 DLOAD EXIT
039472,000144: 36,2551 03646 R(T1)
039473,000145: 36,2552 07171 TC POLY
039474,000146: 36,2553 00002 DEC 2 B-14
039475,000147: 36,2554 02544 35436 2DEC 181000434. B-31
039476,000148: 36,2556 14040 05066 2DEC 1.50785145 B-2
039477,000149: 36,2560 44052 60030 2DEC* -6.49993057 E-9 B27*
039478,000150: 36,2562 26415 25057 2DEC* 9.76938926 E-18 B56*
039479,000151: 36,2564 06006 TC INTPRET
039480,000152: 36,2565 77752 SL1
039481,000153: 36,2566 17654 STODL MAMAX2 # C0+C1*R+C2*R**2+C3*R**3=MAMAX2 B30
039482,000154: 36,2567 33614 M9RTEB28
039483,000155: 36,2570 17730 STODL NN1A
039484,000156: 36,2571 33666 K2RTE
039485,000157: 36,2572 17636 RTE320 STODL RCON # RCON=K2
039486,000158: 36,2573 03634 RTEGAM2D
039487,000159: 36,2574 44254 BZE BDSU
039488,000160: 36,2575 74604 RTE340 # GOTORTE340 IF REENTRY ANGLE NOT INPUT
039489,000161: 36,2576 15326 1RTEB2
039490,000162: 36,2577 71406 PUSH COS # PL02D
039491,000163: 36,2600 73525 PDDL SIN
039492,000164: 36,2601 45465 BDDV STADR # PL00D
039493,000165: 36,2602 40051 STCALL X(T2) # X(T2)=COT(GAM2D) B0
039494,000166: 36,2603 74617 RTE360
039495,000167: 36,2604 45345 RTE340 DLOAD DSU
039496,000168: 36,2605 03646 R(T1)
039497,000169: 36,2606 33664 K1RTE
039498,000170: 36,2607 71240 BMN DLOAD
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Page 900 |
039500,000172: 36,2610 74614 RTE350
039501,000173: 36,2611 33672 K4RTE
039502,000174: 36,2612 37726 STCALL X(T2) # X(T2)=K4
039503,000175: 36,2613 74617 RTE360
039504,000176: 36,2614 77745 RTE350 DLOAD
039505,000177: 36,2615 33670 K3RTE
039506,000178: 36,2616 03726 STORE X(T2) # X(T2)=K3
039507,000179: 36,2617 77624 RTE360 CALL
039508,000180: 36,2620 65102 V2T100
039509,000181: 36,2621 52054 BZE GOTO
039510,000182: 36,2622 74624 RTE367
039511,000183: 36,2623 64272 RTEALRM
039512,000184: 36,2624 77775 RTE367 VLOAD
039513,000185: 36,2625 03640 R(T1)/
039514,000186: 36,2626 16657 STODL RVEC
039515,000187: 36,2627 03636 RCON
039516,000188: 36,2630 26760 STOVL RDESIRED
039517,000189: 36,2631 03700 V2(T1)/
039518,000190: 36,2632 36746 STCALL VVEC
039519,000191: 36,2633 64304 TMRAD100
039520,000192: 36,2634 77615 DAD
039521,000193: 36,2635 03716 T1
039522,000194: 36,2636 17552 STODL T2
039523,000195: 36,2637 03634 RTEGAM2D
039524,000196: 36,2640 52054 BZE GOTO
039525,000197: 36,2641 74643 RTE369
039526,000198: 36,2642 74665 RTE372
039527,000199: 36,2643 51575 RTE369 VLOAD ABVAL
039528,000200: 36,2644 03710 V(T2)/
039529,000201: 36,2645 77776 EXIT
039530,000202: 36,2646 07171 TC POLY
039531,000203: 36,2647 00002 DEC 2 B-14
039532,000204: 36,2650 00000 00000 2DEC 0 B-28
039533,000205: 36,2652 47021 65002 2DEC -4.8760771 E-2 B4
039534,000206: 36,2654 35610 07722 2DEC 4.5419476 E-4 B11
039535,000207: 36,2656 63772 63276 2DEC -1.4317675 E-6 B18
039536,000208: 36,2660 06006 TC INTPRET
039537,000209: 36,2661 77615 DAD
039538,000210: 36,2662 01343 RTED1
039539,000211: 36,2663 52052 SL3 GOTO # X(T2),=D1+D2V2+D3V2**2+D4V2**3
039540,000212: 36,2664 74667 RTE373
039541,000213: 36,2665 77745 RTE372 DLOAD # X(T2),=X(T2)
039542,000214: 36,2666 03726 X(T2)
039543,000215: 36,2667 41425 RTE373 DSU PUSH # X(T2)ERR B0 PL02D
039544,000216: 36,2670 03726 X(T2)
039545,000217: 36,2671 53575 VLOAD UNIT
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Page 901 |
039547,000219: 36,2672 03656 R(T2)/ # B58
039548,000220: 36,2673 36152 STCALL ALPHAV
039549,000221: 36,2674 26570 GETERAD
039550,000222: 36,2675 77615 DAD
039551,000223: 36,2676 33676 E3RTE
039552,000224: 36,2677 45206 PUSH DSU # RCON,=(E1/1+E2BETA11)**.5)+E3 B29 PL04D
039553,000225: 36,2700 03636 RCON
039554,000226: 36,2701 45246 ABS DSU
039555,000227: 36,2702 33646 EPC2RTE
039556,000228: 36,2703 52040 BMN GOTO
039557,000229: 36,2704 74706 RTE374
039558,000230: 36,2705 74713 RTE375
039559,000231: 36,2706 51545 RTE374 DLOAD ABS
039560,000232: 36,2707 00001 00D
039561,000233: 36,2710 50025 DSU BMN
039562,000234: 36,2711 33650 EPC3RTE
039563,000235: 36,2712 74763 P37E
039564,000236: 36,2713 43345 RTE375 DLOAD DAD
039565,000237: 36,2714 03730 NN1A
039566,000238: 36,2715 33600 1RTEB28
039567,000239: 36,2716 67240 BMN SLOAD
039568,000240: 36,2717 74723 RTE380
039569,000241: 36,2720 33630 OCT605
039570,000242: 36,2721 77650 GOTO
039571,000243: 36,2722 64272 RTEALRM # TOO MANY ITERATIONS
039572,000244: 36,2723 03730 RTE380 STORE NN1A
039573,000245: 36,2724 53025 DSU BZE
039574,000246: 36,2725 33616 M8RTEB28
039575,000247: 36,2726 74744 RTE385
039576,000248: 36,2727 45345 DLOAD DSU
039577,000249: 36,2730 00001 00D
039578,000250: 36,2731 03666 DRCON
039579,000251: 36,2732 65301 NORM PDDL # X(T2)ERR-X(T2)ERR,=Z1 PL06D
039580,000252: 36,2733 00047 X1
039581,000253: 36,2734 03670 RPRE,
039582,000254: 36,2735 56225 DSU DDV # X(T2)PRI-X(T2)=Z2 PL04D
039583,000255: 36,2736 03726 X(T2)
039584,000256: 36,2737 53605 DMP SL* # DX(T2)=X(T2)ERR(Z2/Z1)
039585,000257: 36,2740 00001 00D
039586,000258: 36,2741 20201 0,1
039587,000259: 36,2742 77650 GOTO
039588,000260: 36,2743 74746 RTE390
039589,000261: 36,2744 77745 RTE385 DLOAD # DX(T2)=X(T2)ERR
039590,000262: 36,2745 00001 00D
039591,000263: 36,2746 14021 RTE390 STODL 16D # DX(T2) PL02D
039592,000264: 36,2747 77626 STADR
039593,000265: 36,2750 60141 STODL RCON # RCON=RCON,
039594,000266: 36,2751 77600 BOV
039595,000267: 36,2752 74617 RTE360
039596,000268: 36,2753 17666 STODL DRCON # X(T2)ERR,=X(T2)ERR
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Page 902 |
039598,000270: 36,2754 03726 X(T2)
039599,000271: 36,2755 17670 STODL RPRE, # X(T2)PRI=X(T2)
039600,000272: 36,2756 00021 16D
039601,000273: 36,2757 77615 DAD
039602,000274: 36,2760 03726 X(T2)
039603,000275: 36,2761 37726 STCALL X(T2) # X(T2)=X(T2)+DX(T2)
039604,000276: 36,2762 74617 RTE360 # REITERATE
039605,000277: 36,2763 77624 P37E CALL # DISPLAY CONIC SOLUTION
039606,000278: 36,2764 75007 RTEVN
039607,000279: 36,2765 41345 RTE505 DLOAD DMP
039608,000280: 36,2766 03720 PCON
039609,000281: 36,2767 03744 BETA1
039610,000282: 36,2770 53021 BDSU BZE
039611,000283: 36,2771 03636 RCON
039612,000284: 36,2772 75000 RTE510
039613,000285: 36,2773 71240 BMN DLOAD
039614,000286: 36,2774 75000 RTE510
039615,000287: 36,2775 15326 1RTEB2
039616,000288: 36,2776 77650 GOTO # ENTRY NEAR APOGEE
039617,000289: 36,2777 75002 RTE515
039618,000290: 36,3000 57545 RTE510 DLOAD DCOMP # ENTRY NEAR PERIGEE
039619,000291: 36,3001 15326 1RTEB2
039620,000292: 36,3002 37751 RTE515 STCALL PHI2
039621,000293: 36,3003 64546 PREC100 # PRECISION TRAJECTORY COMPUTATION
039622,000294: 36,3004 52054 RTE625 BZE GOTO
039623,000295: 36,3005 75035 P37G
039624,000296: 36,3006 64272 RTEALRM
039625,000297:
039626,000298: # RETURN TO EARTH DISPLAY SUBROUTINE
039627,000299:
039628,000300: 36,3007 45020 RTEVN STQ CALL
039629,000301: 36,3010 03753 VNSTORE
039630,000302: 36,3011 64323 RTEDISP # DISPLAY PREPARATION
039631,000303: 36,3012 77776 EXIT
039632,000304: 36,3013 35034 CAF V6N61RTE # LATITUDE,LONGITUDE,BLANK
039633,000305: 36,3014 03232 TCR P370GOFR # IN LAT(SPL),LNG(SPL),-
039634,000306: 36,3015 34766 CAF FOUR
039635,000307: 36,3016 03226 TCR 37BLANK +1
039636,000308: 36,3017 13024 TCF +5
039637,000309: 36,3020 12476 TCF P37 # RECYCLE
039638,000310: 36,3021 33257 CAF V6N39RTE # T21 HRS,MIN,SEC IN T3TOT4
039639,000311: 36,3022 03246 TCR P370GOF
039640,000312: 36,3023 12476 TCF P37 # RECYCLE
039641,000313: 36,3024 35033 CAF V6N60RTE # DISPLAY BLANK,V(T2),FPA2
039642,000314: 36,3025 03222 TCR P37GFRB1 # IN -,VPRED,GAMMAEI
039643,000315: 36,3026 12476 TCF P37 # RECYCLE
039644,000316: 36,3027 34535 CAF V6N81RTE # DISPLAY DELTA V (LV) IN DELVLVC
039645,000317: 36,3030 03246 TCR P370GOF
039646,000318: 36,3031 12476 TCF P37 # RECYCLE
039647,000319: 36,3032 06006 TCR INTPRET
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Page 903 |
039649,000321: 36,3033 77650 GOTO
039650,000322: 36,3034 03753 VNSTORE
039651,000323:
039652,000324: # PRECISION DISPLAY, TARGETING COMPUTATION AND RTE END PROCESSING
039653,000325:
039654,000326: 36,3035 77624 P37G CALL
039655,000327: 36,3036 75007 RTEVN
039656,000328: 36,3037 77776 EXIT
039657,000329: 36,3040 34774 P37N CAF SEVEN
039658,000330: 36,3041 54775 TS OPTION1
039659,000331: 36,3042 34770 CAF ONE
039660,000332: 36,3043 54776 TS OPTION2
039661,000333: 36,3044 34537 CAF V4N06RTE # DISPLAY RCS OR SPS OPTION SPS ASSUMED
039662,000334: 36,3045 03246 TCR P370GOF
039663,000335: 36,3046 13044 TCF -2 # RECYCLE
039664,000336: 36,3047 06006 TC INTPRET # PROCEED
039665,000337: 36,3050 67201 SETPD SLOAD
039666,000338: 36,3051 00001 00D
039667,000339: 36,3052 00777 OPTION2
039668,000340: 36,3053 53025 DSU BZE
039669,000341: 36,3054 33572 1RTEB13
039670,000342: 36,3055 75064 P37Q
039671,000343: 36,3056 60335 SLOAD NORM # SPS
039672,000344: 36,3057 01351 EMDOT
039673,000345: 36,3060 00047 X1
039674,000346: 36,3061 52125 PDDL GOTO
039675,000347: 36,3062 33622 VCSPS
039676,000348: 36,3063 75075 P37T
039677,000349: 36,3064 43145 P37Q DLOAD BON # RCS
039678,000350: 36,3065 33626 MDOTRCS
039679,000351: 36,3066 00700 NJETSFLG
039680,000352: 36,3067 75071 P37R
039681,000353: 36,3070 77752 SL1
039682,000354: 36,3071 77752 P37R SL1
039683,000355: 36,3072 65301 NORM PDDL
039684,000356: 36,3073 00047 X1
039685,000357: 36,3074 33624 VCRCS
039686,000358: 36,3075 56325 P37T PDDL DDV # DV/VC B7 -B5 = B2 PL02D
039687,000359: 36,3076 03706 DV
039688,000360: 36,3077 77776 EXIT
039689,000361: 36,3100 07171 TC POLY
039690,000362: 36,3101 00001 DEC 1 B-14
039691,000363: 36,3102 00001 05070 2DEC 5.66240507 E-4 B-3
039692,000364: 36,3104 17527 36700 2DEC 9.79487897 E-1 B-1
039693,000365: 36,3106 47114 70670 2DEC -.388281955 B1
039694,000366: 36,3110 06006 TC INTPRET
039695,000367: 36,3111 67206 PUSH SLOAD # (1-E)**(-DV/VC)=A B3 PL04D
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Page 904 |
039697,000369: 36,3112 03076 WEIGHT/G
039698,000370: 36,3113 56205 DMP DDV # DTB=(M0/MDOT)A B16+B3-B3=B16 PL00D
039699,000371: 36,3114 41257 SL* DMP
039700,000372: 36,3115 20165 0 -12D,1
039701,000373: 36,3116 15334 CSUBT
039702,000374: 36,3117 77621 BDSU
039703,000375: 36,3120 03716 T1
039704,000376: 36,3121 03413 STORE TIG # TIG=T1-CT*DTB B28
039705,000377: 36,3122 77776 EXIT
039706,000378: 36,3123 35026 CAF V6N33RTE # DISPLAY BIASED TIG
039707,000379: 36,3124 03246 TCR P370GOF
039708,000380: 36,3125 13123 TCF -2
039709,000381: 36,3126 34772 CAF ZERO
039710,000382: 36,3127 54771 TS VHFCNT
039711,000383: 36,3130 54772 TS TRKMKCNT
039712,000384: 36,3131 06006 TC INTPRET
039713,000385: 36,3132 77624 CALL # CONICALLY INTEGRATE FROM R1,V1 OVER T12
039714,000386: 36,3133 63624 RTENCK1
039715,000387: 36,3134 53575 VLOAD UNIT # PL00D
039716,000388: 36,3135 03656 R(T2)/
039717,000389: 36,3136 74315 PDVL VXSC # UR2 B1 PL06D
039718,000390: 36,3137 03554 UR1/
039719,000391: 36,3140 33632 MCOS7.5
039720,000392: 36,3141 74315 PDVL VXSC # -UR1(COS7.5) B1 PL12D
039721,000393: 36,3142 03562 UH/
039722,000394: 36,3143 33634 MSIN7.5
039723,000395: 36,3144 50255 VAD DOT # K/=-UR1(COS7.5)-UH(SIN7.5) B2 PL00D
039724,000396: 36,3145 50015 DAD BMN
039725,000397: 36,3146 33636 MCOS22.5
039726,000398: 36,3147 75174 P37W
039727,000399: 36,3150 50375 VLOAD DOT # K/ . UR2 GR COS22.5
039728,000400: 36,3151 03562 UH/
039729,000401: 36,3152 03656 R(T2)/
039730,000402: 36,3153 71240 BMN DLOAD
039731,000403: 36,3154 75160 P37U
039732,000404: 36,3155 33640 THETA165
039733,000405: 36,3156 52006 PUSH GOTO
039734,000406: 36,3157 75162 P37V
039735,000407: 36,3160 41545 P37U DLOAD PUSH
039736,000408: 36,3161 33642 THETA210
039737,000409: 36,3162 77756 P37V SIN
039738,000410: 36,3163 16732 STODL SNTH
039739,000411: 36,3164 43146 COS CLEAR
039740,000412: 36,3165 03666 RVSW
039741,000413: 36,3166 26734 STOVL CSTH
039742,000414: 36,3167 03640 R(T1)/
039743,000415: 36,3170 26657 STOVL RVEC
039744,000416: 36,3171 03700 V2(T1)/
039745,000417: 36,3172 36746 STCALL VVEC
039746,000418: 36,3173 25002 TIMETHET
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Page 905 |
039748,000420: 36,3174 43014 P37W CLEAR CLEAR
039749,000421: 36,3175 01267 XDELVFLG
039750,000422: 36,3176 03665 NORMSW
039751,000423: 36,3177 77214 SET VLOAD
039752,000424: 36,3200 01071 FINALFLG
039753,000425: 36,3201 77626 STADR
039754,000426: 36,3202 60362 STODL RTARG
039755,000427: 36,3203 00037 T
039756,000428: 36,3204 77615 DAD
039757,000429: 36,3205 03716 T1
039758,000430: 36,3206 27656 STOVL TPASS4
039759,000431: 36,3207 03700 V2(T1)/
039760,000432: 36,3210 77451 VSU EXIT
039761,000433: 36,3211 03672 V(T1)/
039762,000434: 36,3212 34756 CAF EBANK4
039763,000435: 36,3213 54003 TS EBANK
039764,000436: 36,3214 06006 TC INTPRET
039765,000437: 36,3215 03646 STORE DELVSIN
039766,000438: 36,3216 77624 P37WW CALL
039767,000439: 36,3217 73027 VN1645
039768,000440: 36,3220 77650 GOTO
039769,000441: 36,3221 75216 P37WW
039770,000442:
039771,000443: # SUBROUTINE TO GO TO GOFLASHR AND BLANK R1
039772,000444:
039773,000445: 36,3222 00006 P37GFRB1 EXTEND
039774,000446: 36,3223 23752 QXCH SPRTEX
039775,000447: 36,3224 03232 TCR P370GOFR
039776,000448: 36,3225 34770 37BLANK CAF ONE
039777,000449: 36,3226 05516 +1 TCR BLANKET
039778,000450: 36,3227 15205 TCF ENDOFJOB
039779,000451: 36,3230 01752 TC SPRTEX # RECYCLE
039780,000452: 36,3231 13255 TCF P37PROC # PROCEED
039781,000453:
039782,000454: # SUBROUTINE TO GO TO GOFLASHR
039783,000455:
039784,000456: 36,3232 00006 P370GOFR EXTEND
039785,000457: 36,3233 23547 QXCH RTENCKEX
039786,000458: 36,3234 04636 TCR BANKCALL
039787,000459: 36,3235 21101 CADR GOFLASHR
039788,000460: 36,3236 14103 TCF GOTOPOOH # TERMINATE
039789,000461: 36,3237 13242 TCF +3
039790,000462: 36,3240 13244 TCF +4
039791,000463: 36,3241 01547 TC RTENCKEX # IMMEDIATE RETURN
039792,000464: 36,3242 51547 INDEX RTENCKEX # PROCEED
039793,000465: 36,3243 10004 TCF 0 +4
039794,000466: 36,3244 51547 INDEX RTENCKEX # RECYCLE
039795,000467: 36,3245 10003 TCF 0 +3
039796,000468:
039797,000469: # SUBROUTINE TO GO TO GOFLASH
039798,000470:
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Page 906 |
039800,000472: 36,3246 00006 P370GOF EXTEND
039801,000473: 36,3247 23752 QXCH SPRTEX
039802,000474: 36,3250 04636 TCR BANKCALL
039803,000475: 36,3251 20743 CADR GOFLASH
039804,000476: 36,3252 14103 TCF GOTOPOOH
039805,000477: 36,3253 13255 TCF +2
039806,000478: 36,3254 01752 TC SPRTEX
039807,000479: 36,3255 51752 P37PROC INDEX SPRTEX
039808,000480: 36,3256 10001 TCF 0 +1
039809,000481: 36,3257 5026 V6N33RTE = V06N33
039810,000482: 36,3257 4537 V4N06RTE = V04N06
039811,000483: 36,3257 5034 V6N61RTE = V06N61
039812,000484: 36,3257 01447 V6N39RTE VN 0639
039813,000485: 36,3260 5033 V6N60RTE = V06N60
039814,000486: 36,3260 4535 V6N81RTE = V06N81
039815,000487: 32,2000 SETLOC RTE
039816,000488: 32,2000 BANK
039817,000489: 32,2272 COUNT* $$/P37
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Page 907 |
039819,000491: # ALARM DISPLAY SUBROUTINE
039820,000492: 32,2272 77776 RTEALRM EXIT
039821,000493: 32,2273 30154 CA MPAC
039822,000494: 32,2274 05770 TC VARALARM
039823,000495: 32,2275 35023 CAF V5N09RTE
039824,000496: 32,2276 04636 TC BANKCALL
039825,000497: 32,2277 20743 CADR GOFLASH
039826,000498: 32,2300 14103 TCF GOTOPOOH
039827,000499: 32,2301 12275 TCF -4
039828,000500: 32,2302 04655 TC POSTJUMP
039829,000501: 32,2303 74476 CADR P37
039830,000502: 32,2304 5023 V5N09RTE = V05N09
039831,000503:
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Page 908 |
039833,000505: # TIME RADIUS CALLING SUBROUTINE
039834,000506:
039835,000507: # INPUT
039836,000508: # RVEC INITIAL POSITION VECTOR VECTOR B29 METERS
039837,000509: # VVEC INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
039838,000510: # RDESIRED FINAL RADIUS FOR WHICH TRANSFER TIME IS TO BE COMPUTED DP B29 METERS
039839,000511: # CONICX1 X1 SETTING FOR CONIC SUBROUTINES -2 = EARTH SP B14
039840,000512: # OUTPUT
039841,000513: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
039842,000514: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
039843,000515: # T12 TRANSFER TIME TO FINAL RADIUS DP B28 CS
039844,000516:
039845,000517: 32,2304 43020 TMRAD100 STQ CLEAR
039846,000518: 32,2305 03547 RTENCKEX
039847,000519: 32,2306 03666 RVSW
039848,000520: 32,2307 67164 AXC,2 SXA,2
039849,000521: 32,2310 20000 OCT 20000
039850,000522: 32,2311 02756 SGNRDOT
039851,000523: 32,2312 45140 LXC,1 CALL
039852,000524: 32,2313 03550 CONICX1
039853,000525: 32,2314 25607 TIMERAD
039854,000526: 32,2315 27710 STOVL V(T2)/ # PL00D
039855,000527: 32,2316 77626 STADR
039856,000528: 32,2317 60121 STODL R(T2)/
039857,000529: 32,2320 00037 T
039858,000530: 32,2321 37724 STCALL T12
039859,000531: 32,2322 03547 RTENCKEX
039860,000532:
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Page 909 |
039862,000534: # DISPLAY CALCULATION SUBROUTINE
039863,000535:
039864,000536: # DESCRIPTION
039865,000537: # OUTPUT FOR DISPLAY IS CONVERTED TO PROPER UNITS AND PLACED IN OUTPUT STORAGE REGISTERS. LANDING SITE
039866,000538: # COMPUTATION FOR DETERMINING LANDING SITE LATITUDE AND LONGITUDE IS INCLUDED IN THE ROUTINE.
039867,000539:
039868,000540: # CALLING SEQUENCE
039869,000541: # L CALL
039870,000542: # L+1 RTEDISP
039871,000543:
039872,000544: # SUBROUTINES CALLED
039873,000545: # TMRAD100
039874,000546: # AUGEKUGL
039875,000547: # LAT-LONG
039876,000548:
039877,000549: # ERASABLE INITIALIZATION REQUIRED
039878,000550: # PUSHLIST
039879,000551: # NONE
039880,000552: # MPAC
039881,000553: # NONE
039882,000554: # OTHER
039883,000555: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
039884,000556: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
039885,000557: # T2 FINAL TIME DP B28 CS
039886,000558: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
039887,000559: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
039888,000560: # UR1/ UNIT INITIAL VECTOR VECTOR B1
039889,000561: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
039890,000562:
039891,000563: # OUTPUT
039892,000564: # VPRED VELOCITY MAGNITUDE AT 400,000 FT. ENTRY ALTITUDE DP B7 METERS/CS
039893,000565: # T3TOT4 TRANSIT TIME TO 400,000 FT. ENTRY ALTITUDE DP B28 CS
039894,000566: # GAMMAEI FLIGHT PATH ANGLE AT 400,000 FT. ENTRY ALTITUDE DP B0 REVS + ABOVE HORIZ
039895,000567: # DELVLVC INITIAL VELOCITY CHANGE VECTOR IN LOCAL VERTICAL COORD. VECTOR B7 METERS/CS
039896,000568: # LAT(SPL) LATITUDE OF THE LANDING SITE DP B0 REVS
039897,000569: # LNG(SPL) LONGITUDE OF THE LANDING SITE DP B0 REVS
039898,000570:
039899,000571: 32,2323 77220 RTEDISP STQ VLOAD # DISPLAY
039900,000572: 32,2324 03752 SPRTEX
039901,000573: 32,2325 03710 V(T2)/
039902,000574: 32,2326 65256 UNIT PDDL
039903,000575: 32,2327 00045 36D
039904,000576: 32,2330 17757 STODL VPRED # V(T2)
039905,000577: 32,2331 03552 T2
039906,000578: 32,2332 77625 DSU
039907,000579: 32,2333 03413 SPRTETIG
039908,000580: 32,2334 26641 STOVL T3TOT4 # T21
039909,000581: 32,2335 03656 R(T2)/
039910,000582: 32,2336 50256 UNIT DOT
039911,000583: 32,2337 77752 SL1
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Page 910 |
039913,000585: 32,2340 44326 ARCCOS BDSU
039914,000586: 32,2341 15326 1RTEB2
039915,000587: 32,2342 27761 STOVL GAMMAEI # FLIGHT PATH ANGLE T2
039916,000588: 32,2343 03700 V2(T1)/
039917,000589: 32,2344 41451 VSU PUSH
039918,000590: 32,2345 03672 V(T1)/
039919,000591: 32,2346 57441 DOT DCOMP
039920,000592: 32,2347 03554 UR1/
039921,000593: 32,2350 41515 PDVL PUSH
039922,000594: 32,2351 63345 DLOAD PDVL
039923,000595: 32,2352 15330 ZERORTE
039924,000596: 32,2353 55441 DOT VDEF
039925,000597: 32,2354 03562 UH/
039926,000598: 32,2355 77772 VSL1
039927,000599: 32,2356 17405 STODL DELVLVC
039928,000600: 32,2357 03405 DELVLVC
039929,000601: 32,2360 57414 BOFF DCOMP
039930,000602: 32,2361 02741 RETROFLG
039931,000603: 32,2362 64364 RTD18
039932,000604: 32,2363 03405 STORE DELVLVC # NEGATE X COMPONENT, RETROGRADE
039933,000605: 32,2364 51575 RTD18 VLOAD ABVAL
039934,000606: 32,2365 03405 DELVLVC
039935,000607: 32,2366 27763 STOVL VGDISP
039936,000608: 32,2367 03656 R(T2)/
039937,000609: 32,2370 02657 STORE RVEC # ***** LANDING SITE COMPUTATION *****
039938,000610: 32,2371 45246 ABVAL DSU
039939,000611: 32,2372 33620 30480RTE
039940,000612: 32,2373 26760 STOVL RDESIRED
039941,000613: 32,2374 03710 V(T2)/
039942,000614: 32,2375 36746 STCALL VVEC
039943,000615: 32,2376 64304 TMRAD100 # R3,V3,T23 FROM TIMERAD
039944,000616: 32,2377 53575 VLOAD UNIT
039945,000617: 32,2400 03656 R(T2)/
039946,000618: 32,2401 53515 PDVL UNIT # UR3 PL06D
039947,000619: 32,2402 03710 V(T2)/
039948,000620: 32,2403 72441 DOT SL1 # GAMMAE=ARCSIN(UR3 . UV3) PL00D
039949,000621: 32,2404 65336 ARCSIN PDDL # V(T3) PL02D
039950,000622: 32,2405 00045 36D
039951,000623: 32,2406 51525 PDDL ABS
039952,000624: 32,2407 45006 PUSH CALL # /GAMMAE/ PL04D
039953,000625: 32,2410 64105 AUGEKUGL # PHIE PL06D
039954,000626: 32,2411 43215 DAD DAD
039955,000627: 32,2412 03724 T12 # T23
039956,000628: 32,2413 03552 T2
039957,000629: 32,2414 00003 STORE 02D # T(LS)=T2&T23&TE
039958,000630: 32,2415 53135 SLOAD BZE
039959,000631: 32,2416 03013 P37RANGE
039960,000632: 32,2417 64421 RTD22
039961,000633: 32,2420 00005 STORE 04D # OVERRIDE RANGE (PCR 261)
039962,000634: 32,2421 73545 RTD22 DLOAD SIN
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Page 911 |
039964,000636: 32,2422 00005 04D
039965,000637: 32,2423 17403 STODL LNG(SPL) # LNG(SPL)=SIN(PHIE) PL04D
039966,000638: 32,2424 77746 COS
039967,000639: 32,2425 03401 STORE LAT(SPL) # LAT(SPL)=COS(PHIE)
039968,000640: 32,2426 53575 VLOAD UNIT
039969,000641: 32,2427 03656 R(T2)/
039970,000642: 32,2430 41406 PUSH PUSH
039971,000643: 32,2431 53515 PDVL UNIT # PL22D
039972,000644: 32,2432 03710 V(T2)/
039973,000645: 32,2433 47315 PDVL VXV
039974,000646: 32,2434 53435 VXV UNIT # UH3=UNIT(UR3 X UV3 X UR3) PL10D
039975,000647: 32,2435 63361 VXSC PDVL
039976,000648: 32,2436 03403 LNG(SPL)
039977,000649: 32,2437 53361 VXSC VAD # PL04D
039978,000650: 32,2440 03401 LAT(SPL)
039979,000651: 32,2441 43014 CLEAR CLEAR # T(LS) IN MPAC
039980,000652: 32,2442 00662 ERADFLAG
039981,000653: 32,2443 01663 LUNAFLAG
039982,000654: 32,2444 16152 STODL ALPHAV # ALPHAV=UR3(COSPHIE)+UH3(SINPHIE) PL02D
039983,000655: 32,2445 77624 CALL
039984,000656: 32,2446 26453 LAT-LONG
039985,000657: 32,2447 77745 DLOAD
039986,000658: 32,2450 00747 LAT
039987,000659: 32,2451 17401 STODL LAT(SPL) # LATITUDE LANDING SITE *****
039988,000660: 32,2452 00751 LONG
039989,000661: 32,2453 37403 STCALL LNG(SPL) # LONGITUDE LANDING SITE *****
039990,000662: 32,2454 03752 SPRTEX
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Page 912 |
039992,000664: # INITIAL VECTOR SUBROUTINE
039993,000665:
039994,000666: # DESCRIPTION
039995,000667: # A PRECISION INTEGRATION OF THE STATE VECTOR TO THE TIME OF IGNITION IS PERFORMED. PRECOMPUTATIONS OCCUR.
039996,000668:
039997,000669: # CALLING SEQUENCE
039998,000670: # L CALL
039999,000671: # L+1 INVC100
040000,000672:
040001,000673: # NORMAL EXIT MODE
040002,000674: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040003,000675:
040004,000676: # ALARM EXIT MODE
040005,000677: # AT L+2 OF CALLING SEQUENCE WITH MPAC = OCTAL 612 FOR STATE VECTOR IN MOONS SPHERE OF INFLUENCE
040006,000678:
040007,000679: # SUBROUTINES CALLED
040008,000680: # CSMPREC
040009,000681:
040010,000682: # ERASABLE INITIALIZATION REQUIRED
040011,000683: # PUSHLIST
040012,000684: # NONE
040013,000685: # MPAC
040014,000686: # NONE
040015,000687: # OTHER
040016,000688: # SPRTETIG TIME OF IGNITION DP B28 CS
040017,000689: # CSM STATE VECTOR
040018,000690:
040019,000691: # OUTPUT
040020,000692: # R(T1)/ INITIAL POSITION VECTOR AT TIG VECTOR B29 METERS
040021,000693: # V(T1)/ INITIAL VELOCITY VECTOR AT TIG VECTOR B7 METERS/CS
040022,000694: # T1 INITIAL VECTOR TIME (TIG) DP B28 CS
040023,000695: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040024,000696: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040025,000697: # CFPA COSINE OF INITIAL FLIGHT PATH ANGLE DP B1
040026,000698:
040027,000699: 32,2455 71220 INVC100 STQ DLOAD
040028,000700: 32,2456 03752 SPRTEX
040029,000701: 32,2457 03413 SPRTETIG
040030,000702: 32,2460 34041 STCALL TDEC1
040031,000703: 32,2461 27145 CSMPREC # PRECISION INTEGRATION R0,V0 TO R1,V1
040032,000704: 32,2462 67175 VLOAD SXA,2
040033,000705: 32,2463 00001 RATT
040034,000706: 32,2464 03745 P(T1)
040035,000707: 32,2465 27640 STOVL R(T1)/
040036,000708: 32,2466 00007 VATT
040037,000709: 32,2467 17672 STODL V(T1)/
040038,000710: 32,2470 00015 TAT
040039,000711: 32,2471 03716 STORE T1
040040,000712: 32,2472 53135 SLOAD BZE
040041,000713: 32,2473 03746 P(T1)
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Page 913 |
040043,000715: 32,2474 64500 INVC109
040044,000716: 32,2475 52135 INVC107 SLOAD GOTO
040045,000717: 32,2476 33631 OCT612
040046,000718: 32,2477 64272 RTEALRM # R1,V1 NOT IN PROPER SPHERE OF INFLUENCE
040047,000719: 32,2500 53575 INVC109 VLOAD UNIT
040048,000720: 32,2501 03640 R(T1)/
040049,000721: 32,2502 17554 STODL UR1/ # UR1/ B1
040050,000722: 32,2503 00045 36D
040051,000723: 32,2504 27646 STOVL R(T1) # R(T1) B29
040052,000724: 32,2505 03672 V(T1)/
040053,000725: 32,2506 77656 UNIT
040054,000726: 32,2507 03562 STORE UV1/
040055,000727: 32,2510 72441 DOT SL1
040056,000728: 32,2511 03554 UR1/
040057,000729: 32,2512 03747 STORE CFPA # CFPA B1
040058,000730: 32,2513 45246 ABS DSU
040059,000731: 32,2514 33644 EPC1RTE
040060,000732: 32,2515 71240 BMN DLOAD
040061,000733: 32,2516 64525 INVC115 # NOT NEAR RECTILINEAR
040062,000734: 32,2517 15326 1RTEB2
040063,000735: 32,2520 41525 PDDL PUSH
040064,000736: 32,2521 15330 ZERORTE
040065,000737: 32,2522 41466 VDEF PUSH # N/ = (0,0,1)
040066,000738: 32,2523 77650 GOTO
040067,000739: 32,2524 64531 INVC120
040068,000740: 32,2525 47375 INVC115 VLOAD VXV
040069,000741: 32,2526 03554 UR1/
040070,000742: 32,2527 03562 UV1/
040071,000743: 32,2530 77606 PUSH # N/ = UR X UV B2
040072,000744: 32,2531 71214 INVC120 CLEAR DLOAD
040073,000745: 32,2532 02661 RETROFLG
040074,000746: 32,2533 51006 PUSH BPL
040075,000747: 32,2534 64540 INVC125
040076,000748: 32,2535 57575 VLOAD VCOMP # RETROGRADE ORBIT
040077,000749: 32,2536 43006 PUSH SET
040078,000750: 32,2537 02461 RETROFLG
040079,000751: 32,2540 77775 INVC125 VLOAD
040080,000752: 32,2541 53435 VXV UNIT
040081,000753: 32,2542 03554 UR1/
040082,000754: 32,2543 03562 STORE UH/ # UH/ B1
040083,000755: 32,2544 77650 GOTO
040084,000756: 32,2545 03752 SPRTEX
040085,000757:
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Page 914 |
040087,000759: # PRECISION TRAJECTORY COMPUTATION SUBROUTINE
040088,000760:
040089,000761: # DESCRIPTION
040090,000762: # A NUMERICALLY INTEGRATED TRAJECTORY IS GENERATED WHICH FOR THE RETURN TO EARTH PROBLEM SATISFIES THE REENTRY
040091,000763: # CONSTRAINTS (RCON AND X(T2)) ACHIEVED BY THE INITIAL CONIC TRAJECTORY AND MEETS THE DVD REQUIREMENT AS CLOSELY
040092,000764: # AS POSSIBLE.
040093,000765:
040094,000766: # CALLING SEQUENCE
040095,000767: # L CALL
040096,000768: # L+1 PREC100
040097,000769:
040098,000770: # NORMAL EXIT MODE
040099,000771: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040100,000772:
040101,000773: # ALARM EXIT MODE
040102,000774: # AT L+2 OF CALLING SEQUENCE WITH MPAC =
040103,000775: # OCTAL 605 FOR EXCESS ITERATIONS
040104,000776: # OCTAL 613 FOR REENTRY ANGLE OUT OF LIMITS
040105,000777:
040106,000778: # SUBROUTINES CALLED
040107,000779: # INTSTALL
040108,000780: # RTENCK2
040109,000781: # RTENCK3
040110,000782: # TIMERAD
040111,000783: # PARAM
040112,000784: # V2T100
040113,000785:
040114,000786: # ERASABLE INITIALIZATION REQUIRED
040115,000787: # PUSHLIST
040116,000788: # NONE
040117,000789: # MPAC
040118,000790: # NONE
040119,000791: # OTHER
040120,000792: # R(T1)/ INITIAL POSITION VECTOR VECTOR B29/B27 METERS
040121,000793: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040122,000794: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040123,000795: # T1 INITIAL VECTOR TIME DP B28 CS
040124,000796: # T12 INITIAL TO FINAL POSITION TIME DP B28 CS
040125,000797: # RCON CONIC FINAL RADIUS DP B29/B27 METERS
040126,000798: # R(T1) MAGNITUDE OF INITIAL POSITION VECTOR DP B29/B27 METERS
040127,000799: # X(T2) COTANGENT OF FINAL FLIGHT PATH ANGLE DP B0
040128,000800: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE DP B5
040129,000801: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
040130,000802: # MAMAX1 MAJOR AXIS LIMIT FOR LOWER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040131,000803: # MAMAX2 MAJOR AXIS LIMIT FOR UPPER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040132,000804: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040133,000805: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040134,000806: # BETA1 1+X(T2)**2 DP B1
040135,000807: # PHI2 PERIGEE OR APOGEE INDICATOR DP B2 -1 PERIGEE, +1 APOGEE
040136,000808:
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Page 915 |
040138,000810: # OUTPUT
040139,000811: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 METERS/CS
040140,000812: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
040141,000813: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040142,000814: # T2 FINAL TIME DP B28 CENTISECONDS
040143,000815:
040144,000816: # DEBRIS
040145,000817: # RD FINAL R DESIRED DP B29/B27 METERS
040146,000818: # R/APRE R/A DP B6
040147,000819: # P/RPRE P/R DP B4
040148,000820: # RPRE MAGNITUDE OF R(T2)/ DP B29/B27 METERS
040149,000821: # X(T2)PRE COTANGENT OF GAMMA2 DP B0
040150,000822: # DT12 CORRECTION TO FINAL TIME T2 DP B28 CENTISECONDS
040151,000823: # RCON FINAL RADIUS DP B29/B27 METERS
040152,000824: # DRCON DELTA RCON DP B29/B27 METERS
040153,000825:
040154,000826: 32,2546 71220 PREC100 STQ DLOAD
040155,000827: 32,2547 03752 SPRTEX
040156,000828: 32,2550 33606 10RTE
040157,000829: 32,2551 17730 STODL NN1A
040158,000830: 32,2552 03636 RCON
040159,000831: 32,2553 03664 STORE RD
040160,000832: 32,2554 77745 PREC120 DLOAD
040161,000833: 32,2555 15344 2RTEB1
040162,000834: 32,2556 17650 STODL DT21PR # DT21PR = POSMAX
040163,000835: 32,2557 33604 M15RTE
040164,000836: 32,2560 37546 STCALL NN2
040165,000837: 32,2561 63652 RTENCK3
040166,000838: 32,2562 77624 PREC125 CALL
040167,000839: 32,2563 37727 PARAM
040168,000840: 32,2564 77745 DLOAD
040169,000841: 32,2565 02742 P
040170,000842: 32,2566 14033 STODL P/RPRE
040171,000843: 32,2567 02744 R1A
040172,000844: 32,2570 14035 STODL R/APRE
040173,000845: 32,2571 00041 R1
040174,000846: 32,2572 14031 STODL RPRE
040175,000847: 32,2573 03770 COGA
040176,000848: 32,2574 77661 SL
040177,000849: 32,2575 20206 5
040178,000850: 32,2576 03724 STORE X(T2)PRE
040179,000851: 32,2577 43276 DCOMP DAD
040180,000852: 32,2600 03726 X(T2)
040181,000853: 32,2601 45246 ABS DSU
040182,000854: 32,2602 33652 EPC4RTE
040183,000855: 32,2603 50000 BOV BMN
040184,000856: 32,2604 64606 PREC130
040185,000857: 32,2605 64775 PREC175
040186,000858:
040187,000859: # DESIRED REENTRY ANGLE NOT ACHIEVED
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Page 916 |
040189,000861: 32,2606 50145 PREC130 DLOAD BMN
040190,000862: 32,2607 03546 NN2
040191,000863: 32,2610 64614 PREC140
040192,000864: 32,2611 52135 PREC132 SLOAD GOTO # TOO MANY ITERATIONS
040193,000865: 32,2612 33630 OCT605 # EXIT WITH ALARM
040194,000866: 32,2613 65100 PRECX
040195,000867:
040196,000868: # DETERMINE RADIUS AT WHICH THE DESIRED REENTRY ANGLE WILL BE ACHIEVED
040197,000869:
040198,000870: 32,2614 53145 PREC140 DLOAD BZE
040199,000871: 32,2615 03730 NN1A
040200,000872: 32,2616 64654 PREC162
040201,000873: 32,2617 62545 PREC150 DLOAD SL2 # B2
040202,000874: 32,2620 00033 P/RPRE
040203,000875: 32,2621 72405 DMP SL1 # BETA2=BETA1*P/R B2 PL02
040204,000876: 32,2622 03744 BETA1
040205,000877: 32,2623 71206 PUSH DLOAD
040206,000878: 32,2624 00035 R/APRE
040207,000879: 32,2625 41212 SL4 DMP
040208,000880: 32,2626 00001 00D
040209,000881: 32,2627 50021 BDSU BMN # BETA3=1-BETA2*R/A
040210,000882: 32,2630 31771 1RTEB4
040211,000883: 32,2631 64644 PREC160
040212,000884: 32,2632 75512 PREC155 SL2 SQRT
040213,000885: 32,2633 44205 DMP BDSU
040214,000886: 32,2634 03751 PHI2
040215,000887: 32,2635 31767 1RTEB3
040216,000888: 32,2636 65301 NORM PDDL
040217,000889: 32,2637 00047 X1
040218,000890: 32,2640 56342 SR1 DDV # BETA4=BETA2/(1-PHI2*SQRT(BETA3))
040219,000891: 32,2641 52057 SL* GOTO # B1
040220,000892: 32,2642 20200 0 -1,1
040221,000893: 32,2643 64662 PREC165
040222,000894: 32,2644 60345 PREC160 DLOAD NORM
040223,000895: 32,2645 00035 R/APRE
040224,000896: 32,2646 00047 X1
040225,000897: 32,2647 53665 BDDV SL* # B1
040226,000898: 32,2650 15334 1RTEB1
040227,000899: 32,2651 20173 0 -6,1
040228,000900: 32,2652 77650 GOTO
040229,000901: 32,2653 64662 PREC165
040230,000902: 32,2654 60345 PREC162 DLOAD NORM
040231,000903: 32,2655 00031 RPRE
040232,000904: 32,2656 00047 X1
040233,000905: 32,2657 53665 BDDV SL* # BETA4=RD/RPRE B1
040234,000906: 32,2660 03664 RD
040235,000907: 32,2661 20200 0 -1,1
040236,000908: 32,2662 41401 PREC165 SETPD PUSH
040237,000909: 32,2663 00001 0
040238,000910: 32,2664 57425 DSU DCOMP
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Page 917 |
040240,000912: 32,2665 15334 1RTEB1
040241,000913: 32,2666 03755 STORE BETA12
040242,000914: 32,2667 71240 BMN DLOAD
040243,000915: 32,2670 64701 PREC168
040244,000916: 32,2671 03724 X(T2)PRE
040245,000917: 32,2672 71240 BMN DLOAD
040246,000918: 32,2673 64677 PREC167
040247,000919: 32,2674 03755 BETA12
040248,000920: 32,2675 77676 DCOMP
040249,000921: 32,2676 03755 STORE BETA12
040250,000922: 32,2677 77745 PREC167 DLOAD
040251,000923: 32,2700 03755 BETA12
040252,000924: 32,2701 45246 PREC168 ABS DSU
040253,000925: 32,2702 33654 EPC6RTE
040254,000926: 32,2703 71240 BMN DLOAD
040255,000927: 32,2704 64775 PREC175
040256,000928: 32,2705 72405 DMP SL1
040257,000929: 32,2706 00031 RPRE
040258,000930: 32,2707 77606 PUSH # RF = NEW RADIUS
040259,000931: 32,2710 43345 PREC170 DLOAD DAD
040260,000932: 32,2711 03546 NN2
040261,000933: 32,2712 33600 1RTEB28
040262,000934: 32,2713 03546 STORE NN2
040263,000935: 32,2714 43175 VLOAD SET
040264,000936: 32,2715 03656 R(T2)/
040265,000937: 32,2716 03466 RVSW
040266,000938: 32,2717 26657 STOVL RVEC
040267,000939: 32,2720 03710 V(T2)/
040268,000940: 32,2721 77765 SIGN
040269,000941: 32,2722 03755 BETA12
040270,000942: 32,2723 16746 STODL VVEC
040271,000943: 32,2724 15334 1RTEB1
040272,000944: 32,2725 57565 SIGN DCOMP
040273,000945: 32,2726 03755 BETA12
040274,000946: 32,2727 71354 LXA,2 DLOAD
040275,000947: 32,2730 00154 MPAC
040276,000948: 32,2731 67140 LXC,1 SXA,2
040277,000949: 32,2732 03550 CONICX1
040278,000950: 32,2733 02756 SGNRDOT
040279,000951: 32,2734 36760 STCALL RDESIRED # COMPUTED DT12 (CORRECTION TO TIME OF
040280,000952: 32,2735 25607 TIMERAD # NEW RADIUS)
040281,000953: 32,2736 75345 DLOAD SIGN
040282,000954: 32,2737 00037 T
040283,000955: 32,2740 03755 BETA12
040284,000956: 32,2741 60325 PDDL NORM # DT21=(PHI4)DT21 PL02D
040285,000957: 32,2742 03650 DT21PR
040286,000958: 32,2743 00047 X1
040287,000959: 32,2744 53665 BDDV SL*
040288,000960: 32,2745 00001 00D
040289,000961: 32,2746 20176 0 -3,1
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Page 918 |
040291,000963: 32,2747 50006 PUSH BMN # BETA13=(DT21)/(DT21PR) B3 PL04D
040292,000964: 32,2750 64755 PREC172
040293,000965: 32,2751 65345 DLOAD PDDL # BETA14=1 B0 PL04D
040294,000966: 32,2752 15344 2RTEB1
040295,000967: 32,2753 77650 GOTO
040296,000968: 32,2754 64757 PREC173
040297,000969: 32,2755 65345 PREC172 DLOAD PDDL # BETA14=.6 B0 PL04D
040298,000970: 32,2756 33610 M.6RTE
040299,000971: 32,2757 45271 PREC173 DDV DSU
040300,000972: 32,2760 00003 02D
040301,000973: 32,2761 31767 1RTEB3
040302,000974: 32,2762 71240 BMN DLOAD
040303,000975: 32,2763 64767 PREC174
040304,000976: 32,2764 77605 DMP
040305,000977: 32,2765 03650 DT21PR
040306,000978: 32,2766 00001 STORE 00D # DT21=(BETA14)DT21PR B28
040307,000979: 32,2767 41545 PREC174 DLOAD PUSH
040308,000980: 32,2770 00001 00D
040309,000981: 32,2771 37650 STCALL DT21PR
040310,000982: 32,2772 63634 RTENCK2
040311,000983: 32,2773 77650 GOTO
040312,000984: 32,2774 64562 PREC125
040313,000985: 32,2775 45345 PREC175 DLOAD DSU
040314,000986: 32,2776 00031 RPRE
040315,000987: 32,2777 03664 RD
040316,000988: 32,3000 51406 PUSH ABS # RPRE-RD = RERR
040317,000989: 32,3001 50025 DSU BMN
040318,000990: 32,3002 33656 EPC7RTE
040319,000991: 32,3003 35022 PREC220
040320,000992:
040321,000993: # DESIRED RADIUS HAS NOT BEEN ACHIEVED
040322,000994:
040323,000995: 32,3004 53145 DLOAD BZE
040324,000996: 32,3005 03730 NN1A
040325,000997: 32,3006 64611 PREC132 # TOO MANY ITERATIONS
040326,000998: 32,3007 53025 DSU BZE
040327,000999: 32,3010 33606 10RTE
040328,001000: 32,3011 65044 PREC207
040329,001001: 32,3012 45345 PREC205 DLOAD DSU # NOT FIRST PASS OF ITERATION
040330,001002: 32,3013 03670 RPRE,
040331,001003: 32,3014 00031 RPRE # RPRE,-RPRE B29/B27
040332,001004: 32,3015 55301 NORM BDDV
040333,001005: 32,3016 00050 X2
040334,001006: 32,3017 03666 DRCON
040335,001007: 32,3020 41457 SL* PUSH # DRCON/(RPRE,-RPRE)=S B2
040336,001008: 32,3021 57600 0 -2,2
040337,001009: 32,3022 40015 DAD BOV # S GR +4 OR LS -4
040338,001010: 32,3023 15334 1RTEB1
040339,001011: 32,3024 65031 PREC205M
040340,001012: 32,3025 45246 ABS DSU
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Page 919 |
040342,001014: 32,3026 15334 1RTEB1
040343,001015: 32,3027 77640 BMN
040344,001016: 32,3030 65034 PREC206
040345,001017: 32,3031 57545 PREC205M DLOAD DCOMP # S GR 0 OR LS -4
040346,001018: 32,3032 15344 2RTEB1
040347,001019: 32,3033 77725 PDDL # S=-4 B2
040348,001020: 32,3034 41345 PREC206 DLOAD DMP
040349,001021: 32,3035 77712 SL2
040350,001022: 32,3036 03666 STORE DRCON # DRCON=S(RERR) B29
040351,001023: 32,3037 77615 DAD
040352,001024: 32,3040 03636 RCON
040353,001025: 32,3041 03636 STORE RCON # RCON+DRCON=RCON
040354,001026: 32,3042 77650 GOTO
040355,001027: 32,3043 65063 PREC210
040356,001028: 32,3044 63545 PREC207 DLOAD DSQ # FIRST PASS OF ITERATION
040357,001029: 32,3045 03664 RD
040358,001030: 32,3046 70501 NORM SR1
040359,001031: 32,3047 00047 X1
040360,001032: 32,3050 60325 PDDL NORM
040361,001033: 32,3051 00031 RPRE
040362,001034: 32,3052 00050 X2
040363,001035: 32,3053 55260 XSU,1 BDDV
040364,001036: 32,3054 00047 X2
040365,001037: 32,3055 77657 SR*
040366,001038: 32,3056 20600 0 -1,1
040367,001039: 32,3057 03636 STORE RCON # RD**2/RPRE=RCON
040368,001040: 32,3060 77625 DSU
040369,001041: 32,3061 03664 RD
040370,001042: 32,3062 03666 STORE DRCON # RCON-RD=DRCON
040371,001043: 32,3063 77745 PREC210 DLOAD # PREPARE FOR NEXT ITERATION
040372,001044: 32,3064 00031 RPRE
040373,001045: 32,3065 17670 STODL RPRE,
040374,001046: 32,3066 03730 NN1A
040375,001047: 32,3067 77625 DSU
040376,001048: 32,3070 33600 1RTEB28
040377,001049: 32,3071 37730 STCALL NN1A
040378,001050: 32,3072 65102 V2T100
040379,001051: 32,3073 52030 BHIZ GOTO
040380,001052: 32,3074 64554 PREC120
040381,001053: 32,3075 65100 PRECX
040382,001054:
040383,001055: # DESIRED RADIUS ACHIEVED
040384,001056:
040385,001057: 16,2000 SETLOC RTE2
040386,001058: 16,2000 BANK
040387,001059: 16,3022 45345 PREC220 DLOAD DSU
040388,001060: 16,3023 03726 X(T2)
040389,001061: 16,3024 03724 X(T2)PRE
040390,001062: 16,3025 45246 ABS DSU
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Page 920 |
040392,001064: 16,3026 35035 EPC8RTE
040393,001065: 16,3027 67240 BMN SLOAD
040394,001066: 16,3030 65076 PREC225
040395,001067: 16,3031 35037 OCT613
040396,001068: 16,3032 77650 GOTO
040397,001069: 16,3033 65100 PRECX # IF REENTRY ANGLE OUT OF LIMITS
040398,001070:
040399,001071: 16,3034 00040 30447 EPC8RTE 2DEC .002
040400,001072: 16,3036 00613 OCT613 OCT 613
040401,001073:
040402,001074: # DESIRED FINAL ANGLE HAS BEEN REACHED.
040403,001075:
040404,001076: 32,2000 SETLOC RTE
040405,001077: 32,2000 BANK
040406,001078: 32,3076 COUNT* $$/P37
040407,001079: 32,3076 77745 PREC225 DLOAD
040408,001080: 32,3077 15330 ZERORTE
040409,001081: 32,3100 77650 PRECX GOTO
040410,001082: 32,3101 03752 SPRTEX
040411,001083:
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Page 921 |
040413,001085: # INTEGRATION CALLING SUBROUTINE
040414,001086:
040415,001087: # DESCRIPTION
040416,001088: # PERFORMS CONIC AND PRECISION INTEGRATIONS USING SUBROUTINE INTEGRVS. THERE ARE THREE ENTRANCES (RTENCK1,
040417,001089: # RTENCK2 AND RTENCK3) FOR DIFFERENT SOURCES OF INPUT AND DIFFERENT OPTIONS. THERE IS A COMMON SET OF OUTPUT
040418,001090: # WHICH INCLUDES SET UP OF INPUT FOR THE PARAM SUBROUTINE
040419,001091:
040420,001092: # RTENCK1 (CONIC INTEGRATION)
040421,001093:
040422,001094: # CALLING SEQUENCE
040423,001095: # L CALL
040424,001096: # L+1 RTENCK1
040425,001097:
040426,001098: # ERASABLE INITIALIZATION REQUIRED
040427,001099: # SAME AS FOR THE RTENCK3 ENTRANCE
040428,001100:
040429,001101: # RTENCK2 (PRECISION INTEGRATION)
040430,001102:
040431,001103: # CALLING SEQUENCE
040432,001104: # L CALL
040433,001105: # L+1 RTENCK2
040434,001106:
040435,001107: # ERASABLE INITIALIZATION REQUIRED
040436,001108: # PUSHLIST
040437,001109: # PUSHLOC-2 INTEGRATION TIME DT12 (CORRECTION TO T2) DP B28 CS
040438,001110: # OTHER
040439,001111: # R(T2)/ FINAL POSITION VECTOR VECTOR B29 METERS
040440,001112: # V(T2)/ FINAL VELOCITY VECTOR VECTOR B7 METERS/CS
040441,001113: # T2 FINAL TIME DP B28 CS
040442,001114:
040443,001115: # RTENCK3 (PRECISION INTEGRATION)
040444,001116:
040445,001117: # CALLING SEQUENCE
040446,001118: # L CALL
040447,001119: # L+1 RTENCK3
040448,001120:
040449,001121: # ERASABLE INITIALIZATION REQUIRED
040450,001122: # R(T1)/ INITIAL POSITION VECTOR VECTOR B29 METERS
040451,001123: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7 M/CS
040452,001124: # T1 INITIAL VECTOR TIME DP B28 CS
040453,001125: # T2 FINAL TIME DP B28 CS
040454,001126:
040455,001127: # EXIT MODE
040456,001128: # AT L+2 OF CALLING SEQUENCE
040457,001129: # SUBROUTINES CALLED
040458,001130: # INTSTALL
040459,001131: # INTEGRVS
040460,001132:
040461,001133: # OUTPUT
040462,001134: # PUSHLIST
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Page 922 |
040464,001136: # PUSHLOC-6 FINAL POSITION VECTOR R(T2)/ VECTOR B29 METERS
040465,001137: # X1 CONICS MUTABLE ENTRY FOR EARTH (-2) SP B14
040466,001138: # MPAC
040467,001139: # FINAL VELOCITY VECTOR V(T2)/ VECTOR B7 M/CS
040468,001140: # OTHER
040469,001141: # R(T2)/ AS IN PUSHLIST
040470,001142: # V(T2)/ AS IN MPAC
040471,001143: # T2 FINAL TIME DP B28 CS
040472,001144:
040473,001145: 31,2000 SETLOC RTE3
040474,001146: 31,2000 BANK
040475,001147: 31,3624 COUNT* $$/P37
040476,001148: 31,3624 45020 RTENCK1 STQ CALL
040477,001149: 31,3625 03547 RTENCKEX
040478,001150: 31,3626 27516 INTSTALL
040479,001151: 31,3627 43175 VLOAD SET
040480,001152: 31,3630 03640 R(T1)/
040481,001153: 31,3631 01473 INTYPFLG
040482,001154: 31,3632 77650 GOTO
040483,001155: 31,3633 63660 RTENCK3B
040484,001156:
040485,001157: 31,3634 45020 RTENCK2 STQ CALL
040486,001158: 31,3635 03547 RTENCKEX
040487,001159: 31,3636 27516 INTSTALL
040488,001160: 31,3637 77214 CLEAR VLOAD
040489,001161: 31,3640 01673 INTYPFLG
040490,001162: 31,3641 03656 R(T2)/
040491,001163: 31,3642 25535 STOVL RCV
040492,001164: 31,3643 03710 V(T2)/
040493,001165: 31,3644 15543 STODL VCV
040494,001166: 31,3645 03552 T2
040495,001167: 31,3646 01517 STORE TET
040496,001168: 31,3647 77615 DAD
040497,001169: 31,3650 77650 GOTO
040498,001170: 31,3651 63666 RTENCK3D
040499,001171:
040500,001172: 31,3652 45020 RTENCK3 STQ CALL
040501,001173: 31,3653 03547 RTENCKEX
040502,001174: 31,3654 27516 INTSTALL
040503,001175: 31,3655 43175 RTENCK3A VLOAD CLEAR
040504,001176: 31,3656 03640 R(T1)/
040505,001177: 31,3657 01673 INTYPFLG
040506,001178: 31,3660 25535 RTENCK3B STOVL RCV
040507,001179: 31,3661 03700 V2(T1)/
040508,001180: 31,3662 15543 STODL VCV
040509,001181: 31,3663 03716 T1
040510,001182: 31,3664 15517 STODL TET
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Page 923 |
040512,001184: 31,3665 03552 T2
040513,001185: 31,3666 00041 RTENCK3D STORE TDEC1
040514,001186: 31,3667 45014 CLEAR CALL
040515,001187: 31,3670 00263 MOONFLAG
040516,001188: 31,3671 27211 INTEGRVS
040517,001189: 31,3672 77775 VLOAD
040518,001190: 31,3673 00001 RATT
040519,001191: 31,3674 03656 STORE R(T2)/
040520,001192: 31,3675 70125 PDDL LXC,1
040521,001193: 31,3676 00015 TAT
040522,001194: 31,3677 03550 CONICX1
040523,001195: 31,3700 27552 STOVL T2
040524,001196: 31,3701 00007 VATT
040525,001197: 31,3702 03710 STORE V(T2)/
040526,001198: 31,3703 77650 GOTO
040527,001199: 31,3704 03547 RTENCKEX
040528,001200: 32,2000 SETLOC RTE
040529,001201: 32,2000 BANK
040530,001202: 32,3102 COUNT* $$/P37
040531,001203:
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Page 924 |
040533,001205: # V2(T1) COMPUTATION SUBROUTINE
040534,001206:
040535,001207: # DESCRIPTION
040536,001208: # A POST IMPULSE VELOCITY VECTOR (V2(T1)) IS COMPUTED WHICH EITHER
040537,001209: # (1) MEETS THE INPUT VELOCITY CHANGE DESIRED (RTEDVD) IN A MINIMUM TIME OR
040538,001210: # (2) IF A VELOCITY CHANGE ISN'T SPECIFIED (RTEDVD = 0), A V2(T1) IS COMPUTED WHICH MINIMIZES THE IMPULSE (DV)
040539,001211: # AND CONSEQUENTLY FUEL.
040540,001212:
040541,001213: # CALLING SEQUENCE
040542,001214: # L CALL
040543,001215: # L+1 V2T100
040544,001216:
040545,001217: # NORMAL EXIT MODE
040546,001218: # AT L+2 OF CALLING SEQUENCE WITH MPAC = 0
040547,001219:
040548,001220: # ALARM EXIT MODE
040549,001221: # AT L+2 OF CALLING SEQUENCE WITH MPAC = OCTAL 605 FOR EXCESS ITERATIONS.
040550,001222:
040551,001223: # SUBROUTINES CALLED
040552,001224: # GAMDV10
040553,001225: # XT1LIM
040554,001226: # DVCALC
040555,001227:
040556,001228: # ERASABLE INITIALIZATION REQUIRED
040557,001229: # PUSHLIST
040558,001230: # NONE
040559,001231: # MPAC
040560,001232: # NONE
040561,001233: # OTHER
040562,001234: # R(T1) MAGNITUDE OF INITIAL POSITION VECTOR DP B29/B27 METERS
040563,001235: # RCON MAGNITUDE OF FINAL POSITION VECTOR DP B29/B27 METERS
040564,001236: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040565,001237: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
040566,001238: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040567,001239: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040568,001240: # X(T2) COTANGENT OF FINAL FLIGHT PATH ANGLE DP B0
040569,001241: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE(INPUT FOR PREC) DP B5
040570,001242: # CFPA COSINE OF INITIAL FLIGHT PATH ANGLE DP B1
040571,001243: # MAMAX1 MAJOR AXIS LIMIT FOR LOWER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040572,001244: # MAMAX2 MAJOR AXIS LIMIT FOR UPPER BOUND ON GAMDV ITERATOR DP B30/B28 METERS
040573,001245: # PHI2 REENTRY NEAR PERIGEE OR APOGEE INDICATE (RTE ONLY) DP B2 -1 PERIGEE, +1 APOGEE
040574,001246: # N1 CONIC OR PRECISION ITERATION OPERATOR DP B28 NEGATIVE CONIC, PLUS PREC
040575,001247:
040576,001248: # OUTPUT
040577,001249: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040578,001250: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
040579,001251: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE (POST IMPULSE) DP B5
040580,001252: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
040581,001253: # BETA1 1+X(T2)**2 DP B1
040582,001254:
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Page 925 |
040584,001256: # DEBRIS
040585,001257: # PUSHLIST
040586,001258: # 00D X(T1),,=PREVIOUS PRECISION X(T1) DP B5
040587,001259: # 02D THETA1=BETA5*LAMBDA-1 TP B17
040588,001260: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
040589,001261: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
040590,001262: # 10D X(T1)MIN=LOWER BOUND ON X(T1) IN GAMDV ITERATOR DP B5
040591,001263: # 12D DX(T1)MAX=MAXIMUM DELTA X(T1) DP B5
040592,001264: # 14D X(T1)MAX=UPPER BOUND ON X(T1) IN GAMDV ITERATOR DP B5
040593,001265: # 16D DX(T1)=ITERATOR INCREMENT DP B5
040594,001266: # 31D GAMDV10 SUBROUTINE RETURN ADDRESS
040595,001267: # 32D DVCALC SUBROUTINE RETURN ADDRESS
040596,001268: # 33D V2T100 SUBROUTINE RETURN ADDRESS
040597,001269:
040598,001270: 32,3102 71220 V2T100 STQ DLOAD
040599,001271: 32,3103 00041 33D
040600,001272: 32,3104 03636 RCON
040601,001273: 32,3105 45240 BMN DSU # ABORT IF RCON NEGATIVE
040602,001274: 32,3106 65112 V2TERROR
040603,001275: 32,3107 03646 R(T1)
040604,001276: 32,3110 77640 BMN
040605,001277: 32,3111 65115 V2T101
040606,001278: 32,3112 77776 V2TERROR EXIT # OR IF LAMBDA LESS THAN ONE
040607,001279: 32,3113 05726 TC POODOO # NO SOLUTION IF LAMBDA LESS THAN 1
040608,001280: 32,3114 20610 OCT 20610 # different that comanche55...smc
040609,001281:
040610,001282: 32,3115 43001 V2T101 SETPD CLEAR
040611,001283: 32,3116 00001 0 # PL00D
040612,001284: 32,3117 00272 F2RTE
040613,001285: 32,3120 60345 DLOAD NORM
040614,001286: 32,3121 03636 RCON
040615,001287: 32,3122 00047 X1
040616,001288: 32,3123 60325 PDDL NORM
040617,001289: 32,3124 03646 R(T1)
040618,001290: 32,3125 00051 S1
040619,001291: 32,3126 00013 STORE 10D
040620,001292: 32,3127 56342 SR1 DDV # R1/RCON = LAMBDA B1
040621,001293: 32,3130 65260 XSU,1 PDDL # PL02D
040622,001294: 32,3131 00050 S1
040623,001295: 32,3132 03726 X(T2)
040624,001296: 32,3133 77716 DSQ
040625,001297: 32,3134 43342 SR1 DAD
040626,001298: 32,3135 15334 1RTEB1
040627,001299: 32,3136 03744 STORE BETA1 # 1+X(T2)**2 = BETA1 B1
040628,001300: 32,3137 77605 DMP
040629,001301: 32,3140 00001 00D
040630,001302: 32,3141 00035 STORE 28D # BETAI*LAMBDA = BETA5
040631,001303: 32,3142 53605 DMP SL*
040632,001304: 32,3143 00001 00D
040633,001305: 32,3144 20172 0 -7,1
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Page 926 |
040635,001307: 32,3145 45257 SL* DSU
040636,001308: 32,3146 20172 0 -7,1
040637,001309: 32,3147 33574 1RTEB17
040638,001310: 32,3150 65234 RTB PDDL # BETA5*LAMBDA-1 = THETA1 B17 PL05D
040639,001311: 32,3151 45657 TPMODE
040640,001312: 32,3152 15334 1RTEB1
040641,001313: 32,3153 57457 SR* DCOMP
040642,001314: 32,3154 20601 0,1
040643,001315: 32,3155 41215 DAD DMP
040644,001316: 32,3156 00001 00D
040645,001317: 32,3157 03646 R(T1)
040646,001318: 32,3160 47057 SL* RTB
040647,001319: 32,3161 20172 0 -7D,1
040648,001320: 32,3162 45657 TPMODE
040649,001321: 32,3163 77725 PDDL # 2*R(T1)*(LAMBDA-1)=THETA2 B38/B36 PL08D
040650,001322: 32,3164 33674 RTMURTE
040651,001323: 32,3165 70501 NORM SR1
040652,001324: 32,3166 00050 X2
040653,001325: 32,3167 56264 XSU,2 DDV
040654,001326: 32,3170 00050 S1
040655,001327: 32,3171 00013 10D
040656,001328: 32,3172 65257 SR* PDDL # MU**.5/R(T1)=THETA3 B-4/B-5 PL10D
040657,001329: 32,3173 57170 6,2
040658,001330: 32,3174 03652 MAMAX1
040659,001331: 32,3175 41406 PUSH PUSH # MAMAX1=MA
040660,001332: 32,3176 77624 CALL
040661,001333: 32,3177 65741 XT1LIM
040662,001334: 32,3200 41476 DCOMP PUSH # X(T1)MIN B5 PL12D
040663,001335: 32,3201 40476 DCOMP SR4
040664,001336: 32,3202 41525 PDDL PUSH # DX(T1)MAX B5 PL14D
040665,001337: 32,3203 03654 MAMAX2
040666,001338: 32,3204 45006 PUSH CALL
040667,001339: 32,3205 65741 XT1LIM
040668,001340: 32,3206 50125 PDDL BMN # X(T1)MAX B5 PL16D
040669,001341: 32,3207 03730 NN1A
040670,001342: 32,3210 65213 V2T102
040671,001343: 32,3211 77650 GOTO
040672,001344: 32,3212 65225 V2T110
040673,001345:
040674,001346: # PROCEED HERE IF NOT PRECISION COMPUTATION
040675,001347:
040676,001348: 32,3213 77745 V2T102 DLOAD
040677,001349: 32,3214 03632 RTEDVD
040678,001350: 32,3215 52054 BZE GOTO
040679,001351: 32,3216 65220 V2T105
040680,001352: 32,3217 65321 V2T140
040681,001353: 32,3220 50145 V2T105 DLOAD BMN
040682,001354: 32,3221 03747 CFPA
040683,001355: 32,3222 65321 V2T140
040684,001356: 32,3223 77650 GOTO
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Page 927 |
040686,001358: 32,3224 65327 V2T145
040687,001359:
040688,001360: # DURING A PRECISION TRAJECTORY ITERATION CONSTRAIN THE INDEPENDENT
040689,001361: # VARIABLE TO INSURE THAT ALL CONICS PASS THROUGH RCON ON THE SAME PASS
040690,001362: # THROUGH X(T2)
040691,001363:
040692,001364: 32,3225 47145 V2T110 DLOAD RTB
040693,001365: 32,3226 33574 1RTEB17
040694,001366: 32,3227 45657 TPMODE
040695,001367: 32,3230 65276 DCOMP PDDL # -1 B17 PL19D
040696,001368: 32,3231 15344 2RTEB1
040697,001369: 32,3232 45257 SR* DSU
040698,001370: 32,3233 20601 0,1
040699,001371: 32,3234 00001 00D
040700,001372: 32,3235 53605 DMP SL*
040701,001373: 32,3236 00035 28D
040702,001374: 32,3237 20172 0 -7,1
040703,001375: 32,3240 76257 SL* TAD
040704,001376: 32,3241 20172 0 -7,1
040705,001377: 32,3242 65234 RTB PDDL # BETA5(2-LAMBDA)-1=BETA6 B17 PL19D
040706,001378: 32,3243 45657 TPMODE
040707,001379: 32,3244 03722 X(T1)
040708,001380: 32,3245 00001 STORE 00D # X(T1),, B5
040709,001381: 32,3246 77751 TLOAD # PL16D
040710,001382: 32,3247 53040 BMN BZE
040711,001383: 32,3250 65255 V2T115
040712,001384: 32,3251 65255 V2T115
040713,001385: 32,3252 52061 SL GOTO
040714,001386: 32,3253 20210 7
040715,001387: 32,3254 65266 V2T120
040716,001388: 32,3255 50145 V2T115 DLOAD BMN
040717,001389: 32,3256 03751 PHI2
040718,001390: 32,3257 65277 V2T125
040719,001391: 32,3260 77676 DCOMP
040720,001392: 32,3261 17751 STODL PHI2
040721,001393: 32,3262 33606 10RTE
040722,001394: 32,3263 03730 STORE NN1A
040723,001395: 32,3264 77650 GOTO
040724,001396: 32,3265 65277 V2T125
040725,001397: 32,3266 47166 V2T120 SQRT RTB
040726,001398: 32,3267 45765 DPMODE
040727,001399: 32,3270 50125 PDDL BMN # BETA6**.5=X(T1)LIM B5 PL18D
040728,001400: 32,3271 03751 PHI2
040729,001401: 32,3272 65305 V2T130
040730,001402: 32,3273 45545 DLOAD STADR # PL16D
040731,001403: 32,3274 77760 STORE 14D # X(T1)LIM = X(T1)MAX
040732,001404: 32,3275 77676 DCOMP
040733,001405: 32,3276 00013 STORE 10D # -X(T1)LIM = X(T1)MIN
040734,001406: 32,3277 53145 V2T125 DLOAD BZE
040735,001407: 32,3300 03722 X(T1)
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Page 928 |
040737,001409: 32,3301 65321 V2T140
040738,001410: 32,3302 52040 BMN GOTO
040739,001411: 32,3303 65321 V2T140
040740,001412: 32,3304 65327 V2T145
040741,001413: 32,3305 53145 V2T130 DLOAD BZE
040742,001414: 32,3306 03722 X(T1)
040743,001415: 32,3307 65316 V2T135
040744,001416: 32,3310 71240 BMN DLOAD # PL16D
040745,001417: 32,3311 65316 V2T135
040746,001418: 32,3312 77626 STADR
040747,001419: 32,3313 77764 STORE 10D # X(T1)LIM = X(T1)MIN
040748,001420: 32,3314 77650 GOTO
040749,001421: 32,3315 65327 V2T145
040750,001422: 32,3316 57545 V2T135 DLOAD DCOMP # PL16D
040751,001423: 32,3317 77626 STADR
040752,001424: 32,3320 77760 STORE 14D # -X(T1)LIM = X(T1)MAX
040753,001425: 32,3321 77745 V2T140 DLOAD
040754,001426: 32,3322 00013 10D
040755,001427: 32,3323 17722 STODL X(T1) # X(T1)MIN = X(T1)
040756,001428: 32,3324 00015 12D
040757,001429: 32,3325 52006 PUSH GOTO # DX(T1)MAX = DX(T1) PL18D
040758,001430: 32,3326 65334 V2T150
040759,001431: 32,3327 77745 V2T145 DLOAD
040760,001432: 32,3330 00017 14D
040761,001433: 32,3331 17722 STODL X(T1) # X(T1)MAX = X(T1)
040762,001434: 32,3332 00015 12D
040763,001435: 32,3333 41476 DCOMP PUSH # -DX(T1)MAX = DX(T1) PL18D
040764,001436: 32,3334 77624 V2T150 CALL # GOTO X(T1)-DV ITERATOR
040765,001437: 32,3335 65464 GAMDV10
040766,001438: 32,3336 53145 DLOAD BZE # EXIT IF MINIMUM FUEL MODE
040767,001439: 32,3337 03632 RTEDVD
040768,001440: 32,3340 65462 V2T1X
040769,001441:
040770,001442: # CONTINUE IF TIME CRITICAL MODE
040771,001443:
040772,001444: 32,3341 50025 DSU BMN
040773,001445: 32,3342 03706 DV
040774,001446: 32,3343 65346 V2T155
040775,001447: 32,3344 77650 GOTO
040776,001448: 32,3345 65401 V2T175
040777,001449: 32,3346 50145 V2T155 DLOAD BMN
040778,001450: 32,3347 03730 NN1A
040779,001451: 32,3350 65353 V2T160
040780,001452: 32,3351 77650 GOTO
040781,001453: 32,3352 65423 V2T185
040782,001454:
040783,001455: # CONIC TRAJECTORY COMPUTATION
040784,001456:
040785,001457: 32,3353 53145 V2T160 DLOAD BZE
040786,001458: 32,3354 03722 X(T1)
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Page 929 |
040788,001460: 32,3355 65361 V2T165
040789,001461: 32,3356 52040 BMN GOTO
040790,001462: 32,3357 65361 V2T165
040791,001463: 32,3360 65460 V2T300
040792,001464: 32,3361 53145 V2T165 DLOAD BZE
040793,001465: 32,3362 03747 CFPA
040794,001466: 32,3363 65460 V2T300
040795,001467: 32,3364 71240 BMN DLOAD
040796,001468: 32,3365 65460 V2T300
040797,001469: 32,3366 00017 14D
040798,001470: 32,3367 17722 STODL X(T1) # X(T1)MAX=X(T1)
040799,001471: 32,3370 00015 12D
040800,001472: 32,3371 77676 DCOMP
040801,001473: 32,3372 34021 STCALL 16D # -DX(T1)MAX=DX(T1)
040802,001474: 32,3373 65464 GAMDV10
040803,001475: 32,3374 45345 DLOAD DSU
040804,001476: 32,3375 03632 RTEDVD
040805,001477: 32,3376 03706 DV
040806,001478: 32,3377 77640 BMN
040807,001479: 32,3400 65460 V2T300
040808,001480: 32,3401 71214 V2T175 SET DLOAD
040809,001481: 32,3402 00072 F2RTE
040810,001482: 32,3403 03722 X(T1)
040811,001483: 32,3404 77614 BOFF
040812,001484: 32,3405 02742 SLOWFLG
040813,001485: 32,3406 65413 V2T177
040814,001486: 32,3407 14013 STODL 10D # X(T1)MIN
040815,001487: 32,3410 00015 12D # DX(T1)MAX
040816,001488: 32,3411 77650 GOTO
040817,001489: 32,3412 65416 V2T179
040818,001490: 32,3413 14017 V2T177 STODL 14D
040819,001491: 32,3414 00015 12D
040820,001492: 32,3415 77676 DCOMP
040821,001493: 32,3416 34021 V2T179 STCALL 16D # DX(T1)
040822,001494: 32,3417 65464 GAMDV10
040823,001495: 32,3420 50145 DLOAD BMN
040824,001496: 32,3421 03730 NN1A
040825,001497: 32,3422 65460 V2T300
040826,001498:
040827,001499: # PREVENT A LARGE CHANGE IN INDEPENDENT VARIABLE DURING AN ITERATION FOR A
040828,001500: # PRECISION TRAJECTORY
040829,001501:
040830,001502: 32,3423 45345 V2T185 DLOAD DSU
040831,001503: 32,3424 03722 X(T1)
040832,001504: 32,3425 00001 00D
040833,001505: 32,3426 65246 ABS PDDL # /X(T1)-X(T1),,/ = BETA7
040834,001506: 32,3427 00015 12D
040835,001507: 32,3430 44352 SL1 BDSU
040836,001508: 32,3431 71240 BMN DLOAD
040837,001509: 32,3432 65460 V2T300
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Page 930 |
040839,001511: 32,3433 00001 00D # CONTINUE IF BETA7 LARGER THAN 2DX(T1)MAX
040840,001512: 32,3434 03722 STORE X(T1) # X(T1),, = X(T1)
040841,001513: 32,3435 50025 DSU BMN
040842,001514: 32,3436 00017 14D
040843,001515: 32,3437 65445 V2T195
040844,001516: 32,3440 77745 DLOAD
040845,001517: 32,3441 00017 14D
040846,001518: 32,3442 03722 STORE X(T1) # X(T1)MAX = X(T1)
040847,001519: 32,3443 77650 GOTO
040848,001520: 32,3444 65456 V2T205
040849,001521: 32,3445 45345 V2T195 DLOAD DSU
040850,001522: 32,3446 03722 X(T1)
040851,001523: 32,3447 00013 10D
040852,001524: 32,3450 52040 BMN GOTO
040853,001525: 32,3451 65453 V2T200
040854,001526: 32,3452 65456 V2T205
040855,001527: 32,3453 77745 V2T200 DLOAD
040856,001528: 32,3454 00013 10D
040857,001529: 32,3455 03722 STORE X(T1) # X(T1)MIN = X(T1)
040858,001530: 32,3456 77624 V2T205 CALL
040859,001531: 32,3457 65665 DVCALC
040860,001532: 32,3460 77745 V2T300 DLOAD
040861,001533: 32,3461 15330 ZERORTE
040862,001534: 32,3462 77650 V2T1X GOTO
040863,001535: 32,3463 00041 33D
040864,001536:
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Page 931 |
040866,001538: # X(T1)-DV ITERATOR SUBROUTINE
040867,001539:
040868,001540: # DESCRIPTION
040869,001541: # COMPUTES A POST IMPULSE VELOCITY VECTOR (V2(T1)) WHICH REQUIRES A MINIMUM DV.
040870,001542:
040871,001543: # CALLING SEQUENCE
040872,001544: # L CALL
040873,001545: # L+1 GAMDV10
040874,001546:
040875,001547: # NORMAL EXIT MODE
040876,001548: # AT L+2 OF CALLING SEQUENCE
040877,001549:
040878,001550: # ALARM EXIT MODE
040879,001551: # AT V2T1X WITH MPAC = OCTAL 605 FOR EXCESS ITERATIONS
040880,001552:
040881,001553: # SUBROUTINES CALLED
040882,001554: # DVCALC
040883,001555:
040884,001556: # ERASABLE INITIALIZATION REQUIRED
040885,001557: # PUSHLIST
040886,001558: # 02D THETA1=BETA5*LAMBDA-1 TP B17
040887,001559: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
040888,001560: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
040889,001561: # 10D X(T1)MIN=LOWER BOUND ON INDEPENDENT VARIABLE X(T1) DP B5
040890,001562: # 12D DX(T1)MAX=MAXIMUM DX(T1) DP B5
040891,001563: # 14D X(T1)MAX=UPPER BOUND ON INDEPENDENT VARIABLE X(T1) DP B5
040892,001564: # 16D DX(T1)=ITERATOR INCREMENT DP B5
040893,001565: # MPAC
040894,001566: # NONE
040895,001567: # OTHER
040896,001568: # V(T1)/ INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040897,001569: # RTEDVD DELTA VELOCITY DESIRED DP B7/B5 METERS/CS
040898,001570: # UR1/ UNIT INITIAL VECTOR VECTOR B1
040899,001571: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
040900,001572: # X(T1) COTANGENT OF INITIAL FLIGHT PATH ANGLE (FROM VERTICAL) DP B5
040901,001573: # F2RTE TIME CRITICAL OR MINIMUM FUEL MODE INDICATOR STATE AREA 0 MIN. FUEL, 1 MIN. TIME
040902,001574:
040903,001575: # OUTPUT
040904,001576: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
040905,001577: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
040906,001578: # X(T1) COTANGENT OF INITIAL FPA MEASURED FROM VERTICAL DP B5
040907,001579: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
040908,001580:
040909,001581: # DEBRIS
040910,001582: # PUSHLIST
040911,001583: # 00D X(T1),,
040912,001584: # 02D THETA1
040913,001585: # 05D THETA2
040914,001586: # 08D THETA3
040915,001587: # 10D X(T1)MIN
040916,001588: # 12D DX(T1)MAX
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Page 932 |
040918,001590: # 14D X(T1)MAX
040919,001591: # 16D DX(T1)
040920,001592: # 22D DV,=PREVIOUS DV DP B7/B5
040921,001593: # 24D BETA9=X(T1)+1.1DX(T1) DP B5
040922,001594: # 31D GAMDV10 SUBROUTINE RETURN ADDRESS
040923,001595: # 32D DVCALC SUBROUTINE RETURN ADDRESS
040924,001596: # 33D V2T100 SUBROUTINE RETURN ADDRESS
040925,001597:
040926,001598: 32,3464 77620 GAMDV10 STQ
040927,001599: 32,3465 00037 31D
040928,001600: 32,3466 45001 SETPD CALL
040929,001601: 32,3467 00023 18D # PL18D
040930,001602: 32,3470 65665 DVCALC
040931,001603: 32,3471 45345 DLOAD DSU
040932,001604: 32,3472 00017 14D
040933,001605: 32,3473 00013 10D
040934,001606: 32,3474 77600 BOV
040935,001607: 32,3475 65515 GAMDV20
040936,001608: 32,3476 45206 PUSH DSU # X(T1)MAX-X(T1)MIN=BETA8 B5 PL20D
040937,001609: 32,3477 33576 EPC9RTE
040938,001610: 32,3500 71240 BMN DLOAD
040939,001611: 32,3501 65663 GAMDVX # BOUNDS CLOSE TOGETHER
040940,001612: 32,3502 00023 18D
040941,001613: 32,3503 50025 DSU BMN # BETA8-DX(T1)MAX
040942,001614: 32,3504 00015 12D
040943,001615: 32,3505 65511 GAMDV15
040944,001616: 32,3506 52001 SETPD GOTO # PL18D
040945,001617: 32,3507 00023 18D
040946,001618: 32,3510 65515 GAMDV20
040947,001619: 32,3511 77745 GAMDV15 DLOAD # PL18D
040948,001620: 32,3512 70565 SIGN SR1
040949,001621: 32,3513 00021 16D
040950,001622: 32,3514 00021 STORE 16D # BETA8(SIGNDX(T1))/2=DX(T1)
040951,001623: 32,3515 77745 GAMDV20 DLOAD
040952,001624: 32,3516 33602 M144RTE
040953,001625: 32,3517 03546 STORE NN2
040954,001626: 32,3520 43345 GAMDV25 DLOAD DAD
040955,001627: 32,3521 03546 NN2
040956,001628: 32,3522 33600 1RTEB28
040957,001629: 32,3523 67240 BMN SLOAD
040958,001630: 32,3524 65530 GAMDV30
040959,001631: 32,3525 33630 OCT605
040960,001632: 32,3526 77650 GOTO
040961,001633: 32,3527 65462 V2T1X
040962,001634: 32,3530 03546 GAMDV30 STORE NN2 # NN2=NN2+1
040963,001635: 32,3531 65345 DLOAD PDDL # X(T1)=X(T1), B5 PL20D
040964,001636: 32,3532 03722 X(T1)
040965,001637: 32,3533 03706 DV
040966,001638: 32,3534 43325 PDDL DAD # DV=DV, B7/B5 PL22D
040967,001639: 32,3535 03722 X(T1)
040968,001640: 32,3536 00021 16D
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Page 933 |
040970,001642: 32,3537 37722 STCALL X(T1) # X(T1)+DX(T1)=X(T1) B5
040971,001643: 32,3540 65665 DVCALC
040972,001644: 32,3541 71214 BON DLOAD
040973,001645: 32,3542 00312 F2RTE
040974,001646: 32,3543 65557 GAMDV35
040975,001647: 32,3544 03706 DV
040976,001648: 32,3545 50025 DSU BMN # CONTINUE IF FUEL CRITICAL MODE
040977,001649: 32,3546 00025 20D
040978,001650: 32,3547 65554 GAMDV33
040979,001651: 32,3550 57545 GAMDV32 DLOAD DCOMP
040980,001652: 32,3551 00021 16D
040981,001653: 32,3552 77742 SR1
040982,001654: 32,3553 00021 STORE 16D
040983,001655: 32,3554 52001 GAMDV33 SETPD GOTO
040984,001656: 32,3555 00023 18D # PL18D
040985,001657: 32,3556 65622 GAMDV50
040986,001658:
040987,001659: # TIME CRITICAL MODE
040988,001660:
040989,001661: 32,3557 45345 GAMDV35 DLOAD DSU
040990,001662: 32,3560 03632 RTEDVD
040991,001663: 32,3561 03706 DV
040992,001664: 32,3562 41525 PDDL PUSH # DVD-DV=DVERR B7/B5 PL22D
040993,001665: 32,3563 51545 GAMDV40 DLOAD ABS # DV, PL24D
040994,001666: 32,3564 00025 20D
040995,001667: 32,3565 50025 DSU BMN
040996,001668: 32,3566 33660 EPC10RTE
040997,001669: 32,3567 65663 GAMDVX
040998,001670: 32,3570 71204 GAMDV45 BOVB DLOAD
040999,001671: 32,3571 57544 TCDANZIG # ASSURE OVFIND IS 0
041000,001672: 32,3572 60221 BDSU NORM
041001,001673: 32,3573 03706 DV
041002,001674: 32,3574 00050 X2
041003,001675: 32,3575 77725 PDDL # DV-DV, B7/B5-N2 PL22D
041004,001676: 32,3576 70501 NORM SR1 # DVERR B8/B6-N1
041005,001677: 32,3577 00047 X1
041006,001678: 32,3600 65271 DDV PDDL # DVERR/ DV - DV
041007,001679: 32,3601 41221 BDSU DMP # PL18D
041008,001680: 32,3602 03722 X(T1)
041009,001681: 32,3603 77660 XSU,1
041010,001682: 32,3604 00047 X2
041011,001683: 32,3605 00021 STORE 16D # PRESERVE SIGN IF OVERFLOW
041012,001684: 32,3606 40057 SR* BOV
041013,001685: 32,3607 20600 0 -1,1
041014,001686: 32,3610 65616 GAMDV47
041015,001687: 32,3611 00021 STORE 16D # (X(T1)-X(T1),)DVERR/(DV-DV,)=DX(T1)
041016,001688: 32,3612 45246 ABS DSU
041017,001689: 32,3613 00015 12D
041018,001690: 32,3614 77640 BMN
041019,001691: 32,3615 65622 GAMDV50
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Page 934 |
041021,001693: 32,3616 75345 GAMDV47 DLOAD SIGN
041022,001694: 32,3617 00015 12D
041023,001695: 32,3620 00021 16D
041024,001696: 32,3621 00021 STORE 16D # DX(T1)MAX(SIGNDX(T1))=DX(T1)
041025,001697:
041026,001698: # CHECK TO KEEP INDEPENDENT VARIABLE IN BOUNDS
041027,001699:
041028,001700: 32,3622 41345 GAMDV50 DLOAD DMP
041029,001701: 32,3623 00021 16D
041030,001702: 32,3624 33612 1.1RTEB1
041031,001703: 32,3625 43352 SL1 DAD
041032,001704: 32,3626 03722 X(T1)
041033,001705: 32,3627 00031 STORE 24D # X(T1)+1.1DX(T1)=BETA9 B5
041034,001706: 32,3630 50025 DSU BMN
041035,001707: 32,3631 00017 14D
041036,001708: 32,3632 65641 GAMDV55
041037,001709: 32,3633 45345 DLOAD DSU
041038,001710: 32,3634 00017 14D
041039,001711: 32,3635 03722 X(T1)
041040,001712: 32,3636 77742 SR1
041041,001713: 32,3637 34021 STCALL 16D # (X(T1)MAX-X(T1))/2=DX(T1) B5
041042,001714: 32,3640 65654 GAMDV65
041043,001715: 32,3641 45345 GAMDV55 DLOAD DSU
041044,001716: 32,3642 00031 24D
041045,001717: 32,3643 00013 10D
041046,001718: 32,3644 52040 BMN GOTO
041047,001719: 32,3645 65647 GAMDV60
041048,001720: 32,3646 65654 GAMDV65
041049,001721: 32,3647 45345 GAMDV60 DLOAD DSU
041050,001722: 32,3650 00013 10D
041051,001723: 32,3651 03722 X(T1)
041052,001724: 32,3652 77742 SR1
041053,001725: 32,3653 00021 STORE 16D # (X(T1)MIN-X(T1))/2=DX(T1) B5
041054,001726: 32,3654 51545 GAMDV65 DLOAD ABS
041055,001727: 32,3655 00021 16D
041056,001728: 32,3656 50025 DSU BMN
041057,001729: 32,3657 33576 EPC9RTE
041058,001730: 32,3660 65663 GAMDVX
041059,001731: 32,3661 77650 GOTO
041060,001732: 32,3662 65520 GAMDV25
041061,001733: 32,3663 77650 GAMDVX GOTO
041062,001734: 32,3664 00037 31D
041063,001735:
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Page 935 |
041065,001737: # DV CALCULATION SUBROUTINE
041066,001738:
041067,001739: # INPUT
041068,001740: # PUSHLIST
041069,001741: # 02D THETA1=BETA5*LAMBDA-1 TP B17
041070,001742: # 05D THETA2=2*R(T1)*(LAMBDA-1) TP B38/B36
041071,001743: # 08D THETA3=MU**.5/R(T1) DP B-4/B-5
041072,001744: # OTHER
041073,001745: # X(T1) COTANGENT OF POST IMPULSE INITIAL FLIGHT PATH ANGLE DP B5
041074,001746: # V(T1)/ INITIAL VELOCITY VECTOR (PRE IMPULSE) VECTOR B7/B5 METERS/CS
041075,001747: # UR1/ UNIT INITIAL VECTOR VECTOR B1
041076,001748: # UH/ UNIT HORIZONTAL VECTOR VECTOR B1
041077,001749:
041078,001750: # OUTPUT
041079,001751: # V2(T1)/ POST IMPULSE INITIAL VELOCITY VECTOR VECTOR B7/B5 METERS/CS
041080,001752: # DV INITIAL VELOCITY CHANGE DP B7/B5 METERS/CS
041081,001753: # PCON SEMI-LATUS RECTUM DP B28/B26 METERS
041082,001754:
041083,001755: # DEBRIS
041084,001756: # 28D THETA3*PCON**.5 DP B10/B8-N1
041085,001757: # C(PUSHLOC) THETA3(PCON**.5)*X(T1)*UR1/ VECTOR B7/B5
041086,001758: # 32D DVCALC SUBROUTINE RETURN ADDRESS
041087,001759: # X1 NORMALIZATION FACTOR FOR VALUE IN 28D
041088,001760:
041089,001761: # PUSHLOC IS RESTORED TO ITS ENTRANCE VALUE UPON EXITING DVCALC
041090,001762:
041091,001763: 32,3665 71220 DVCALC STQ DLOAD
041092,001764: 32,3666 00040 32D
041093,001765: 32,3667 03722 X(T1)
041094,001766: 32,3670 54316 DSQ SR
041095,001767: 32,3671 20610 7
041096,001768: 32,3672 76276 DCOMP TAD
041097,001769: 32,3673 00003 02D
041098,001770: 32,3674 41501 NORM PUSH
041099,001771: 32,3675 00047 X1
041100,001772: 32,3676 60351 TLOAD NORM
041101,001773: 32,3677 00006 05D
041102,001774: 32,3700 00050 X2
041103,001775: 32,3701 70434 RTB SR1
041104,001776: 32,3702 45765 DPMODE
041105,001777: 32,3703 56264 XSU,2 DDV
041106,001778: 32,3704 00046 X1
041107,001779: 32,3705 77657 SR*
041108,001780: 32,3706 57170 6,2
041109,001781: 32,3707 03720 STORE PCON # THETA2/(THETA1-X(T1)**2)=PCON B28/26
041110,001782: 32,3710 41366 SQRT DMP
041111,001783: 32,3711 00011 08D
041112,001784: 32,3712 77701 NORM
041113,001785: 32,3713 00047 X1
041114,001786: 32,3714 14035 STODL 28D # THETA3*PCON**.5 B10/B8 -N1
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Page 936 |
041116,001788: 32,3715 03722 X(T1)
041117,001789: 32,3716 74301 NORM VXSC
041118,001790: 32,3717 00050 X2
041119,001791: 32,3720 03554 UR1/ # X(T1)*UR1/ B5+B1 -N2
041120,001792: 32,3721 74274 XAD,2 VXSC
041121,001793: 32,3722 00046 X1
041122,001794: 32,3723 00035 28D
041123,001795: 32,3724 63257 VSR* PDVL # THETA3(PCON**.5)X(T1)*UR1/ B7/B5
041124,001796: 32,3725 57207 0 -9D,2 # +
041125,001797: 32,3726 03562 UH/
041126,001798: 32,3727 53761 VXSC VSR* # THETA3(PCON**.5)UH/ B7/B5
041127,001799: 32,3730 00035 28D
041128,001800: 32,3731 20575 0 -4,1 # =
041129,001801: 32,3732 45455 VAD STADR
041130,001802: 32,3733 74077 STORE V2(T1)/ # V2(T1)/ B7/B5
041131,001803: 32,3734 51451 VSU ABVAL
041132,001804: 32,3735 03672 V(T1)/
041133,001805: 32,3736 03706 STORE DV # ABVAL(V2(T1)/-V1(T)/)=DV B7/B5
041134,001806: 32,3737 77650 GOTO
041135,001807: 32,3740 00040 32D
041136,001808:
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Page 937 |
041138,001810: # SUBROUTINE TO COMPUTE BOUNDS ON INDEPENDENT VARIABLE X(T1)
041139,001811:
041140,001812: # INPUT
041141,001813: # PUSHLIST
041142,001814: # PUSHLOC -4 MAJOR AXIS (MA) DP B30/B28
041143,001815: # PUSHLOC -2 MAJOR AXIS (MA) AGAIN DP B30/B28
041144,001816: # 28D BETA5=LAMBDA*BETA1 DP B9
041145,001817: # OTHER
041146,001818: # RCON DP B29/B27
041147,001819: # R(T1) DP B29/B27
041148,001820:
041149,001821: # OUTPUT
041150,001822: # MPAC
041151,001823: # X(T1)LIM LIMIT ON INDEPENDENT VARIABLE X(T1) DP B5
041152,001824:
041153,001825: # DEBRIS
041154,001826: # PUSHLIST
041155,001827: # C(PUSHLOC) MA-RCON DP (B30/28)-N1
041156,001828: # C(PUSHLOC)+2 MA DP B30/B28
041157,001829: # X1 NORMALIZATION FACTOR FOR MA-RCON
041158,001830: # 20D XT1LIM SUBROUTINE RETURN ADDRESS
041159,001831: # PUSHLOC IS RESTORED TO ITS ENTRANCE VALUE UPON EXITING XT1LIM
041160,001832:
041161,001833: 32,3741 71220 XT1LIM STQ DLOAD
041162,001834: 32,3742 00024 20D
041163,001835: 32,3743 03636 RCON
041164,001836: 32,3744 44342 SR1 BDSU
041165,001837: 32,3745 65301 NORM PDDL # MA-RCON B30-N1
041166,001838: 32,3746 00050 X2
041167,001839: 32,3747 70525 PDDL SR1
041168,001840: 32,3750 03646 R(T1)
041169,001841: 32,3751 56221 BDSU DDV
041170,001842: 32,3752 41257 SL* DMP
041171,001843: 32,3753 57601 0 -3,2
041172,001844: 32,3754 00035 28D
041173,001845: 32,3755 45257 SL* DSU # BETA10=BETA5(MA-RT)/(MA-RC)-1 B11
041174,001846: 32,3756 20173 0 -6,1
041175,001847: 32,3757 33577 1RTEB25 +1 # 1.0 B-11
041176,001848: 32,3760 40152 SL1 BOV # B10
041177,001849: 32,3761 65765 XT1LIM2
041178,001850: 32,3762 52040 BMN GOTO
041179,001851: 32,3763 65771 XT1LIM5
041180,001852: 32,3764 65767 XT1LIM3
041181,001853: 32,3765 77745 XT1LIM2 DLOAD # BETA10=POSMAX IF OVERFLOW
041182,001854: 32,3766 15344 2RTEB1
041183,001855: 32,3767 52166 XT1LIM3 SQRT GOTO # X(T1)=SQRT(BETA10) B5
041184,001856: 32,3770 65773 XT1LIMX
041185,001857: 32,3771 77745 XT1LIM5 DLOAD
041186,001858: 32,3772 15330 ZERORTE
041187,001859: 32,3773 77650 XT1LIMX GOTO
041188,001860: 32,3774 00024 20D
041189,001861:
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Page 938 |
041191,001863: # CONSTANTS FOR THE P37 AND P70 PROGRAMS AND SUBROUTINES
041192,001864:
041193,001865: 35,2000 SETLOC RTECON1
041194,001866: 35,2000 BANK
041195,001867:
041196,001868: 35,3571 COUNT* $$/P37
041197,001869: 35,3571 26,3333 1RTEB1 = UNITX
041198,001870: 35,3571 26,3325 1RTEB2 = DP1/4TH
041199,001871: 35,3571 34,3766 1RTEB3 = DP2(-3)
041200,001872: 35,3571 34,3770 1RTEB4 = DP2(-4)
041201,001873: 35,3571 00002 00000 1RTEB13 2DEC 1. B-13
041202,001874: 35,3573 00000 04000 1RTEB17 2DEC 1. B-17
041203,001875: 35,3575 00000 00010 1RTEB25 2DEC 1. B-25
041204,001876: # * * B25 AND B28 MUST BE CONSECUTIVE * *
041205,001877: 35,3577 00000 00001 1RTEB28 2DEC 1. B-28
041206,001878: 35,3601 26,3327 ZERORTE = UNITZ
041207,001879: 35,3601 77777 77557 M144RTE 2DEC -144. B-28
041208,001880: 35,3603 77777 77760 M15RTE 2DEC -15 B-28
041209,001881: 35,3605 00000 00012 10RTE 2DEC 10 B-28
041210,001882: 35,3607 54631 63145 M.6RTE 2DEC -.6
041211,001883: 35,3611 21463 06315 1.1RTEB1 2DEC 1.1 B-1
041212,001884: 35,3613 26,3343 2RTEB1 = DPPOSMAX
041213,001885: 35,3613 77777 77766 M9RTEB28 2DEC -9 B-28
041214,001886: 35,3615 77777 77767 M8RTEB28 2DEC -8 B-28
041215,001887: 35,3617 00000 35610 30480RTE 2DEC 30480. B-29
041216,001888: 35,3621 37405 12250 VCSPS 2DEC 31.510396 B-5 # (SEE 2VEXHUST)
041217,001889: 35,3623 33041 37714 VCRCS 2DEC 27.0664 B-5
041218,001890: 35,3625 00003 13241 MDOTRCS 2DEC .0016375 B-3
041219,001891: 35,3627 26,3333 CSUBT = UNITX
041220,001892: 35,3627 00605 OCT605 OCT 00605
041221,001893: 35,3630 00612 OCT612 OCT 00612
041222,001894: 35,3631 40214 45266 MCOS7.5 2DEC -.99144486
041223,001895: 35,3633 73645 56536 MSIN7.5 2DEC -.13052619
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Page 939 |
041225,001897: 35,3635 70467 71205 MCOS22.5 2DEC -.92387953 B-2
041226,001898: 35,3637 16525 12525 THETA165 2DEC .458333333
041227,001899: 35,3641 22525 12525 THETA210 2DEC .583333333
041228,001900: 35,3643 17775 06676 EPC1RTE 2DEC .99966 B-1
041229,001901: 35,3645 00000 00062 EPC2RTE 2DEC 100. B-29
041230,001902: 35,3647 00020 14223 EPC3RTE 2DEC .001
041231,001903: 35,3651 00000 05174 EPC4RTE 2DEC .00001
041232,001904: 35,3653 00000 01654 EPC6RTE 2DEC .000007 B-1
041233,001905: 35,3655 00000 00764 EPC7RTE 2DEC 1000. B-29
041234,001906: 35,3657 35,3575 EPC9RTE = 1RTEB25
041235,001907: 35,3657 00000 00322 EPC10RTE 2DEC .0001 B-7
041236,001908:
041237,001909: 35,3661 BANK 35
041238,001910: 35,2000 SETLOC RTECON1
041239,001911: 35,2000 BANK
041240,001912: 35,3661 COUNT* $$/P37
041241,001913: 35,3661 75725 75417 C4RTE 2DEC -6.986643 E7 B-30
041242,001914: 35,3663 00325 23740 K1RTE 2DEC 7. E6 B-29
041243,001915: 35,3665 00306 06614 K2RTE 2DEC 6495000. B-29
041244,001916: 35,3667 76027 70156 K3RTE 2DEC -.06105
041245,001917: 35,3671 74517 54131 K4RTE 2DEC -.10453
041246,001918: 35,3673 30276 05001 RTMURTE 2DEC 199650.501 B-18
041247,001919: 35,3675 00003 27040 E3RTE 2DEC 121920. B-29
End of include-file P37_P70.agc. Parent file is MAIN.agc