Source Code

These source-code files were from the printout at the MIT Museum, with many thanks to Deborah Douglas, the Museum's Curator of Science and Technology, for releasing it to us. The printout was digitally photographed by Paul Fjeld. A team of volunteers transcribed the source code manually from these images or, where appropriate, modified already-transcribed but similar source Luminary 131 (Apollo 13) source code to agree with the images from the printout. Note that the page images presented online are of reduced quality, and that higher-quality images are available. Report any conversion errors or legibility problems in page images to info@sandroid.org. Notations on the program listing read, in part:

	GAP:  ASSEMBLE REVISION 001 OF AGC PROGRAM LMY99 BY NASA 2021112-061
	16:27 JULY 14,1969
Note that the date is the date of the printout, not the date of the program revision.

031095,000002:                                                                                                  ## Copyright:   Public domain.
031096,000003:                                                                                                  ## Filename:    STABLE_ORBIT_-_P38-P39.agc
031097,000004:                                                                                                  ## Purpose:     Part of the source code for Luminary 1A build 099.
031098,000005:                                                                                                  ##              It is part of the source code for the Lunar Module's (LM)
031099,000006:                                                                                                  ##              Apollo Guidance Computer (AGC), for Apollo 11.
031100,000007:                                                                                                  ## Assembler:   yaYUL
031101,000008:                                                                                                  ## Contact:     Ron Burkey <info@sandroid.org>.
031102,000009:                                                                                                  ## Website:     www.ibiblio.org/apollo.
031103,000010:                                                                                                  ## Pages:       723-730
031104,000011:                                                                                                  ## Mod history: 2009-05-19 RSB  Adapted from the corresponding 
031105,000012:                                                                                                  ##                              Colossus249 file (there being no corresponding
031106,000013:                                                                                                  ##                              Luminary131 source-code file), using page 
031107,000014:                                                                                                  ##                              images from Luminary 1A.
031108,000015:                                                                                                  ##              2009-06-07 RSB  Eliminated an extraneous instruction.
031109,000016:                                                                                                  ##              2011-01-06 JL   Fixed pseudo-label indentation.
031110,000017:                                                                                                  ##              2016-12-13 RSB  GOTOP00H -> GOTOPOOH
031111,000018:                                                                                                  ##              2016-12-15 RSB  Proofed text comments with octopus/ProoferComments
031112,000019:                                                                                                  ##                              and corrected the errors found.
031113,000020:                                                                                                  ##              2017-01-28 RSB  Back-ported a comment-text fix from proofing
031114,000021:                                                                                                  ##                              of Luminary 69.  Also, changed the filename
031115,000022:                                                                                                  ##                              (from STABLE_ORBIT.agc) so as to agree with 
031116,000023:                                                                                                  ##                              the other AGC versions having a corresponding
031117,000024:                                                                                                  ##                              log section (making it easier to perform diffs 
031118,000025:                                                                                                  ##                              between versions), and to agree with what it 
031119,000026:                                                                                                  ##                              says in ASSEMBLY AND OPERATION INFORMATION.
031120,000027:                                                                                                  ##              2017-03-17 RSB  Comment-text fixes identified in diff'ing
031121,000028:                                                                                                  ##                              Luminary 99 vs Comanche 55.
031122,000029: 
031123,000030:                                                                                                  ## This source code has been transcribed or otherwise adapted from
031124,000031:                                                                                                  ## digitized images of a hardcopy from the MIT Museum.  The digitization
031125,000032:                                                                                                  ## was performed by Paul Fjeld, and arranged for by Deborah Douglas of
031126,000033:                                                                                                  ## the Museum.  Many thanks to both.  The images (with suitable reduction
031127,000034:                                                                                                  ## in storage size and consequent reduction in image quality as well) are
031128,000035:                                                                                                  ## available online at www.ibiblio.org/apollo.  If for some reason you
031129,000036:                                                                                                  ## find that the images are illegible, contact me at info@sandroid.org
031130,000037:                                                                                                  ## about getting access to the (much) higher-quality images which Paul
031131,000038:                                                                                                  ## actually created.
031132,000039:                                                                                                  ##
031133,000040:                                                                                                  ## Notations on the hardcopy document read, in part:
031134,000041:                                                                                                  ##
031135,000042:                                                                                                  ##      Assemble revision 001 of AGC program LMY99 by NASA 2021112-61
031136,000043:                                                                                                  ##      16:27 JULY 14, 1969 
031137,000044: 

Page 723

031139,000046:                                                                                                  #  STABLE ORBIT RENDEZVOUS PROGRAMS (P38 AND P78)
031140,000047: 
031141,000048:                                                                                                  #  MOD NO -1             LOG SECTION - STABLE ORBIT - P38-P39
031142,000049:                                                                                                  #  MOD BY RUDNICKI.S     DATE 25JAN68
031143,000050: 
031144,000051:                                                                                                  #  FUNCTIONAL DESCRIPTION
031145,000052: 
031146,000053:                                                                                                  #        P38 AND P78 CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL
031147,000054:                                                                                                  #        CONDITIONS REQUIRED BY THE AGC TO (1) PUT THE ACTIVE VEHICLE
031148,000055:                                                                                                  #        ON A TRANSFER TRAJECTORY THAT INTERCEPTS THE PASSIVE VEHICLE
031149,000056:                                                                                                  #        ORBIT A GIVEN DISTANCE, DELTA R, EITHER AHEAD OF OR BEHIND THE
031150,000057:                                                                                                  #        PASSIVE VEHICLE AND (2) ACTUALLY PLACE THE ACTIVE VEHICLE IN THE
031151,000058:                                                                                                  #        PASSIVE VEHICLE ORBIT WITH A DELTA R SEPARATION BETWEEN THE TWO
031152,000059:                                                                                                  #        VEHICLES
031153,000060: 
031154,000061:                                                                                                  #  CALLING SEQUENCE
031155,000062: 
031156,000063:                                                                                                  #        ASTRONAUT REQUEST THRU DSKY
031157,000064: 
031158,000065:                                                                                                  #        V37E38E         IF THIS VEHICLE IS ACTIVE VEHICLE
031159,000066:                                                                                                  #        V37E78E         IF OTHER VEHICLE IS ACTIVE VEHICLE
031160,000067: 
031161,000068:                                                                                                  #  INPUT
031162,000069: 
031163,000070:                                                                                                  #        (1)     SOI MANEUVER
031164,000071: 
031165,000072:                                                                                                  #                (A)  TIG        TIME OF SOI MANEUVER
031166,000073:                                                                                                  #                (B)  CENTANG    ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE
031167,000074:                                                                                                  #                                DURING TRANSFER FROM TIG TO TIME OF INTERCEPT
031168,000075:                                                                                                  #                (C)  DELTAR     THE DESIRED SEPARATION OF THE TWO VEHICLES
031169,000076:                                                                                                  #                                SPECIFIED AS A DISTANCE ALONG THE PASSIVE VEHICLE
031170,000077:                                                                                                  #                                ORBIT
031171,000078:                                                                                                  #                (D)  OPTION     EQUALS 1 FOR SOI
031172,000079: 
031173,000080:                                                                                                  #        (2)     SOR MANEUVER
031174,000081: 
031175,000082:                                                                                                  #                (A)  TIG        TIME OF SOR MANEUVER
031176,000083:                                                                                                  #                (B)  CENTANG    AN OPTIONAL RESPECIFICATION OF 1 (B) ABOVE
031177,000084:                                                                                                  #                (C)  OPTION     EQUALS 2 FOR SOR
031178,000085:                                                                                                  #                (D)  DELTTIME   THE TIME REQUIRED TO TRAVERSE DELTA R WHEN
031179,000086:                                                                                                  #                                TRAVELING AT A VELOCITY EQUAL TO THE HORIZONTAL
031180,000087:                                                                                                  #                                VELOCITY OF THE PASSIVE VEHICLE - SAVED FROM
031181,000088:                                                                                                  #                                SOI PHASE
031182,000089:                                                                                                  #                (E)  TINT       TIME OF INTERCEPT (SOI) - SAVED FROM SOI PHASE
031183,000090: 
031184,000091:                                                                                                  #  OUTPUT
031185,000092: 
031186,000093:                                                                                                  #        (1)  TRKMKCNT   NUMBER OF MARKS
031187,000094:                                                                                                  #        (2)  TTOGO      TIME TO GO
031188,000095:                                                                                                  #        (3)  +MGA       MIDDLE GIMBAL ANGLE

Page 724

031190,000097:                                                                                                  #        (4)  DSPTEM1    TIME OF INTERCEPT OF PASSIVE VEHICLE ORBIT
031191,000098:                                                                                                  #                        (FOR SOI ONLY)
031192,000099:                                                                                                  #        (5)  POSTTPI    PERIGEE ALTITUDE OF ACTIVE VEHICLE ORBIT AFTER
031193,000100:                                                                                                  #                        THE SOI (SOR) MANEUVER
031194,000101:                                                                                                  #        (6)  DELVTPI    MAGNITUDE OF DELTA V AT SOI (SOR) TIME
031195,000102:                                                                                                  #        (7)  DELVTPF    MAGNITUDE OF DELTA V AT INTERCEPT TIME
031196,000103:                                                                                                  #        (8)  DELVLVC    DELTA VELOCITY AT SOI (AND SOR) - LOCAL VERTICAL
031197,000104:                                                                                                  #                        COORDINATES
031198,000105: 
031199,000106:                                                                                                  #  SUBROUTINES USED
031200,000107: 
031201,000108:                                                                                                  #        AVFLAGA
031202,000109:                                                                                                  #        AVFLAGP
031203,000110:                                                                                                  #        VNDSPLY
031204,000111:                                                                                                  #        BANKCALL
031205,000112:                                                                                                  #        GOFLASHR
031206,000113:                                                                                                  #        GOTOPOOH
031207,000114:                                                                                                  #        BLANKET
031208,000115:                                                                                                  #        ENDOFJOB
031209,000116:                                                                                                  #        PREC/TT
031210,000117:                                                                                                  #        SELECTMU
031211,000118:                                                                                                  #        INTRPVP
031212,000119:                                                                                                  #        MAINRTNE
031213,000120: 
031214,000121: 04,3013                                           BANK     04                                    
031215,000122: 34,2000                                           SETLOC   STBLEORB                              
031216,000123: 34,2000                                           BANK                                           
031217,000124: 
031218,000125: 34,3271  E7,1470                                  EBANK=   SUBEXIT                               
031219,000126: 34,3271                                           COUNT*   $$/P3879                              
031220,000127: 
031221,000128: 34,3271           04616        P38                TC       BANKCALL                              
031222,000129: 34,3272           72347                           CADR     AVFLAGA                               #  THIS VEHICLE ACTIVE
031223,000130: 34,3273           03276                           TC       +3                                    
031224,000131: 34,3274           04616        P78                TC       BANKCALL                              
031225,000132: 34,3275           72354                           CADR     AVFLAGP                               #  OTHER VEHICLE ACTIVE
031226,000133: 34,3276           04616                           TC       BANKCALL                              
031227,000134: 34,3277           72361                           CADR     P20FLGON                              #  SET UPDATFLG, TRACKFLG
031228,000135: 34,3300           33641                           CAF      DECTWO                                
031229,000136: 34,3301           55466                           TS       NN                                    
031230,000137: 34,3302           33632                           CAF      V06N33SR                              #  DISPLAY TIG
031231,000138: 34,3303           03621                           TC       VNDSPLY                               
031232,000139: 34,3304           33633                           CAF      V06N55SR                              #  DISPLAY CENTANG
031233,000140: 34,3305           04616                           TCR      BANKCALL                              
031234,000141: 34,3306           20635                           CADR     GOFLASHR                              
031235,000142: 34,3307           16001                           TCF      GOTOPOOH                              #  TERMINATE
031236,000143: 34,3310           13315                           TCF      +5                                    #  PROCEED
031237,000144: 34,3311           13304                           TCF      -5                                    #  RECYCLE
031238,000145: 34,3312           36245                           CAF      THREE                                 #  IMMEDIATE RETURN - BLANK R1, R2
031239,000146: 34,3313           05464                           TCR      BLANKET                               

Page 725

031241,000148: 34,3314           15155                           TCF      ENDOFJOB                              
031242,000149: 34,3315           34756                           CAF      FIVE                                  
031243,000150: 34,3316           55144                           TS       OPTION1                               
031244,000151: 34,3317           34753                           CAF      ONE                                   
031245,000152: 34,3320           55145                           TS       OPTION2                               #  OPTION CODE IS SET TO 1
031246,000153: 34,3321           33634                           CAF      V04N06SR                              #  DISPLAY OPTION CODE - 1 = SOI, 2 = SOR
031247,000154: 34,3322           04616                           TCR      BANKCALL                              
031248,000155: 34,3323           20635                           CADR     GOFLASHR                              
031249,000156: 34,3324           16001                           TCF      GOTOPOOH                              #  TERMINATE
031250,000157: 34,3325           13332                           TCF      +5                                    #  PROCEED
031251,000158: 34,3326           13321                           TCF      -5                                    #  RECYCLE
031252,000159: 34,3327           34751                           CAF      BIT3                                  #  IMMEDIATE RETURN - BLANK R3
031253,000160: 34,3330           05464                           TCR      BLANKET                               
031254,000161: 34,3331           15155                           TCF      ENDOFJOB                              
031255,000162: 34,3332           06037                           TC       INTPRET                               
031256,000163: 34,3333           70535                           SLOAD    SR1                                   
031257,000164: 34,3334           01146                                    OPTION2                               
031258,000165: 34,3335           71230                           BHIZ     DLOAD                                 
031259,000166: 34,3336           71344                                    OPTN1                                 
031260,000167: 34,3337           03631                                    TINT                                  
031261,000168: 34,3340           02303                           STORE    TINTSOI                               #  STORE FOR SOR PHASE
031262,000169: 34,3341           77614                           CLRGO                                          
031263,000170: 34,3342           01230                                    OPTNSW                                #  OPTNSW; ON = SOI, OFF = SOR
031264,000171: 34,3343           71375                                    JUNCTN1                               
031265,000172: 34,3344           43014        OPTN1              SET      CLEAR                                 #  SOI
031266,000173: 34,3345           01070                                    OPTNSW                                
031267,000174: 34,3346           00670                                    UPDATFLG                              
031268,000175: 34,3347           77624                           CALL                                           
031269,000176: 34,3350           71554                                    PREC/TT                               
031270,000177: 34,3351           43015                           DAD      SET                                   
031271,000178: 34,3352           03442                                    TIG                                   
031272,000179: 34,3353           00470                                    UPDATFLG                              
031273,000180: 34,3354           03631                           STORE    TINT                                  #  TI = TIG + TF
031274,000181: 34,3355           77776                           EXIT                                           
031275,000182: 34,3356           33635                           CAF      V06N57SR                              #  DISPLAY DELTA R
031276,000183: 34,3357           04616                           TCR      BANKCALL                              
031277,000184: 34,3360           20635                           CADR     GOFLASHR                              
031278,000185: 34,3361           16001                           TCF      GOTOPOOH                              #  TERMINATE
031279,000186: 34,3362           13367                           TCF      +5                                    #  PROCEED
031280,000187: 34,3363           13356                           TCF      -5                                    #  RECYCLE
031281,000188: 34,3364           36242                           CAF      SIX                                   #  IMMEDIATE RETURN - BLANK R2, R3
031282,000189: 34,3365           05464                           TCR      BLANKET                               
031283,000190: 34,3366           15155                           TCF      ENDOFJOB                              
031284,000191: 34,3367           00006                 +5        EXTEND                                         
031285,000192: 34,3370           31631                           DCA      TINT                                  
031286,000193: 34,3371           53046                           DXCH     DSPTEM1                               #  FOR DISPLAY
031287,000194: 34,3372           33636                           CAF      V06N34SR                              #  DISPLAY TIME OF INTERCEPT
031288,000195: 34,3373           03621                           TC       VNDSPLY                               
031289,000196: 34,3374           06037                           TC       INTPRET                               
031290,000197: 34,3375           45014        JUNCTN1            CLEAR    CALL                                  

Page 726

031292,000199: 34,3376           04266                                    P39/79SW                              
031293,000200: 34,3377           20000                                    SELECTMU                              #  SELECT MU, CLEAR FINALFLG, GO TO VN1645
031294,000201: 34,3400           77624        RECYCLE            CALL                                           
031295,000202: 34,3401           71554                                    PREC/TT                               
031296,000203: 34,3402           71214                           BOFF     DLOAD                                 
031297,000204: 34,3403           01350                                    OPTNSW                                
031298,000205: 34,3404           71424                                    OPTN2                                 
031299,000206: 34,3405           03631                                    TINT                                  
031300,000207: 34,3406           34041                           STCALL   TDEC1                                 #  PRECISION UPDATE PASSIVE VEHICLE TO
031301,000208: 34,3407           71605                                    INTRPVP                               #        INTERCEPT TIME
031302,000209: 34,3410           53575                           VLOAD    UNIT                                  
031303,000210: 34,3411           00001                                    RATT                                  #  RP/(RP)
031304,000211: 34,3412           47315                           PDVL     VXV                                   
031305,000212: 34,3413           00007                                    VATT                                  
031306,000213: 34,3414           60246                           ABVAL    NORM                                  #  (VP X RP/(RP))
031307,000214: 34,3415           00047                                    X1                                    
031308,000215: 34,3416           56325                           PDDL     DDV                                   
031309,000216: 34,3417           02303                                    DELTAR                                
031310,000217: 34,3420           77657                           SL*                                            #  DELTA R / (VP X RP/RP)
031311,000218: 34,3421           20172                                    0          -7,1                       
031312,000219: 34,3422           36305                           STCALL   DELTTIME                              #  DELTA T = (RP) DELTA R / (VP X RP)
031313,000220: 34,3423           71430                                    JUNCTN2                               
031314,000221: 34,3424           43345        OPTN2              DLOAD    DAD                                   
031315,000222: 34,3425           02303                                    TINTSOI                               
031316,000223: 34,3426           00037                                    T                                     
031317,000224: 34,3427           03631                           STORE    TINT                                  #  TI = TI + TF
031318,000225: 34,3430           45345        JUNCTN2            DLOAD    DSU                                   
031319,000226: 34,3431           03631                                    TINT                                  
031320,000227: 34,3432           02305                                    DELTTIME                              
031321,000228: 34,3433           02307                           STORE    TARGTIME                              #  TT = TI - DELTA T
031322,000229: 
031323,000230:                                                                                                  #  .... MAINRTNE ....
031324,000231: 
031325,000232:                                                                                                  #  SUBROUTINES USED
031326,000233: 
031327,000234:                                                                                                  #        S3435.25
031328,000235:                                                                                                  #        PERIAPO1
031329,000236:                                                                                                  #        SHIFTR1
031330,000237:                                                                                                  #        VNDSPLY
031331,000238:                                                                                                  #        BANKCALL
031332,000239:                                                                                                  #        GOFLASH
031333,000240:                                                                                                  #        GOTOPOOH
031334,000241:                                                                                                  #        VN1645
031335,000242: 
031336,000243: 34,3434           34041        MAINRTNE           STCALL   TDEC1                                 #  PRECISION UPDATE PASSIVE VEHICLE TO
031337,000244: 34,3435           71605                                    INTRPVP                               #        TARGET TIME
031338,000245: 34,3436           77745                           DLOAD                                          
031339,000246: 34,3437           03442                                    TIG                                   
031340,000247: 34,3440           03610                           STORE    INTIME                                
031341,000248: 34,3441           77331                           SSP      VLOAD                                 
031342,000249: 34,3442           03471                                    SUBEXIT                               
031343,000250: 34,3443           71447                                    TEST3979                              

Page 727

031345,000252: 34,3444           00001                                    RATT                                  
031346,000253: 34,3445           77624                           CALL                                           
031347,000254: 34,3446           73327                                    S3435.25                              
031348,000255: 34,3447           43014        TEST3979           BOFF     BON                                   
031349,000256: 34,3450           04346                                    P39/79SW                              
031350,000257: 34,3451           71460                                    MAINRTN1                              
031351,000258: 34,3452           01311                                    FINALFLG                              
031352,000259: 34,3453           71456                                    P39P79                                
031353,000260: 34,3454           77614                           SET                                            
031354,000261: 34,3455           00470                                    UPDATFLG                              
031355,000262: 34,3456           77776        P39P79             EXIT                                           
031356,000263: 34,3457           03505                           TC       DSPLY81                               #  FOR P39 AND P79
031357,000264: 34,3460           51575        MAINRTN1           VLOAD    ABVAL                                 
031358,000265: 34,3461           02366                                    DELVEET3                              
031359,000266: 34,3462           27576                           STOVL    DELVTPI                               #  DELTA V
031360,000267: 34,3463           03506                                    VPASS4                                
031361,000268: 34,3464           51451                           VSU      ABVAL                                 
031362,000269: 34,3465           03566                                    VTPRIME                               
031363,000270: 34,3466           26350                           STOVL    DELVTPF                               #  DELTA V (FINAL) = V'T - VT
031364,000271: 34,3467           03536                                    RACT3                                 
031365,000272: 34,3470           45115                           PDVL     CALL                                  
031366,000273: 34,3471           02337                                    VIPRIME                               
031367,000274: 34,3472           46316                                    PERIAPO1                              #  GET PERIGEE ALTITUDE
031368,000275: 34,3473           77624                           CALL                                           
031369,000276: 34,3474           46426                                    SHIFTR1                               
031370,000277: 34,3475           03606                           STORE    POSTTPI                               
031371,000278: 34,3476           43014                           BON      SET                                   
031372,000279: 34,3477           01311                                    FINALFLG                              
031373,000280: 34,3500           71502                                    DSPLY58                               
031374,000281: 34,3501           00470                                    UPDATFLG                              
031375,000282: 34,3502           77776        DSPLY58            EXIT                                           
031376,000283: 34,3503           33637                           CAF      V06N58SR                              #  DISPLAY HP, DELTA V, DELTA V (FINAL)
031377,000284: 34,3504           03621                           TC       VNDSPLY                               
031378,000285: 34,3505           33640        DSPLY81            CAF      V06N81SR                              #  DISPLAY DELTA V (LV)
031379,000286: 34,3506           03621                           TC       VNDSPLY                               
031380,000287: 34,3507           06037                           TC       INTPRET                               
031381,000288: 34,3510           77214                           CLEAR    VLOAD                                 
031382,000289: 34,3511           01267                                    XDELVFLG                              
031383,000290: 34,3512           02366                                    DELVEET3                              
031384,000291: 34,3513           37656                           STCALL   DELVSIN                               
031385,000292: 34,3514           73606                                    VN1645                                #  DISPLAY TRKMKCNT, TTOGO, +MGA
031386,000293: 34,3515           52014                           BON      GOTO                                  
031387,000294: 34,3516           04306                                    P39/79SW                              
031388,000295: 34,3517           71541                                    P39/P79B                              
031389,000296: 34,3520           71400                                    RECYCLE                               
031390,000297: 
031391,000298:                                                                                                  #  STABLE ORBIT MIDCOURSE PROGRAM (P39 AND P79)
031392,000299: 
031393,000300:                                                                                                  #  MOD NO -1             LOG SECTION - STABLE ORBIT - P38-P39
031394,000301:                                                                                                  #  MOD BY RUDNICKI.S     DATE 25JAN68
031395,000302: 

Page 728

031397,000304:                                                                                                  #  FUNCTIONAL DESCRIPTION
031398,000305: 
031399,000306:                                                                                                  #        P39 AND P79 CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL
031400,000307:                                                                                                  #        CONDITIONS REQUIRED BY THE AGC TO MAKE A MIDCOURSE CORRECTION
031401,000308:                                                                                                  #        MANEUVER AFTER COMPLETING THE SOI MANEUVER BUT BEFORE MAKING
031402,000309:                                                                                                  #        THE SOR MANEUVER
031403,000310: 
031404,000311:                                                                                                  #  CALLING SEQUENCE
031405,000312: 
031406,000313:                                                                                                  #        ASTRONAUT REQUEST THRU DSKY
031407,000314: 
031408,000315:                                                                                                  #        V37E39E         IF THIS VEHICLE IS ACTIVE VEHICLE
031409,000316:                                                                                                  #        V37E79E         IF OTHER VEHICLE IS ACTIVE VEHICLE
031410,000317: 
031411,000318:                                                                                                  #  INPUT
031412,000319: 
031413,000320:                                                                                                  #        (1)  TPASS4     TIME OF INTERCEPT - SAVED FROM P38/P78
031414,000321:                                                                                                  #        (2)  TARGTIME   TIME THAT PASSIVE VEHICLE IS AT INTERCEPT POINT -
031415,000322:                                                                                                  #                        SAVED FROM P38/P78
031416,000323: 
031417,000324:                                                                                                  #  OUTPUT
031418,000325: 
031419,000326:                                                                                                  #        (1)  TRKMKCNT   NUMBER OF MARKS
031420,000327:                                                                                                  #        (2)  TTOGO      TIME TO GO
031421,000328:                                                                                                  #        (3)  +MGA       MIDDLE GIMBAL ANGLE
031422,000329:                                                                                                  #        (4)  DELVLVC    DELTA VELOCITY AT MID - LOCAL VERTICAL COORDINATES
031423,000330: 
031424,000331:                                                                                                  #  SUBROUTINES USED
031425,000332: 
031426,000333:                                                                                                  #        AVFLAGA
031427,000334:                                                                                                  #        AVFLAGP
031428,000335:                                                                                                  #        LOADTIME
031429,000336:                                                                                                  #        SELECTMU
031430,000337:                                                                                                  #        PRECSET
031431,000338:                                                                                                  #        S34/35.1
031432,000339:                                                                                                  #        MAINRTNE
031433,000340: 
031434,000341: 34,3521           04616        P39                TC       BANKCALL                              
031435,000342: 34,3522           72347                           CADR     AVFLAGA                               #  THIS VEHICLE ACTIVE
031436,000343: 34,3523           00006                           EXTEND                                         
031437,000344: 34,3524           31401                           DCA      ATIGINC                               
031438,000345: 34,3525           03532                           TC       P39/P79A                              
031439,000346: 34,3526           04616        P79                TC       BANKCALL                              
031440,000347: 34,3527           72354                           CADR     AVFLAGP                               #  OTHER VEHICLE ACTIVE
031441,000348: 34,3530           00006                           EXTEND                                         
031442,000349: 34,3531           31403                           DCA      PTIGINC                               
031443,000350: 34,3532           53576        P39/P79A           DXCH     KT                                    #  TIME TO PREPARE FOR BURN
031444,000351: 34,3533           04616                           TC       BANKCALL                              
031445,000352: 34,3534           72361                           CADR     P20FLGON                              #  SET UPDATFLG, TRACKFLG
031446,000353: 34,3535           06037                           TC       INTPRET                               

Page 729

031448,000355: 34,3536           45014                           SET      CALL                                  
031449,000356: 34,3537           04066                                    P39/79SW                              
031450,000357: 34,3540           20000                                    SELECTMU                              #  SELECT MU, CLEAR FINALFLG, GO TO VN1645
031451,000358: 34,3541           43234        P39/P79B           RTB      DAD                                   
031452,000359: 34,3542           21573                                    LOADTIME                              
031453,000360: 34,3543           03576                                    KT                                    
031454,000361: 34,3544           03442                           STORE    TIG                                   #  TIG = T (PRESENT) + PREPARATION TIME
031455,000362: 34,3545           34041                           STCALL   TDEC1                                 #  PRECISION UPDATE ACTIVE AND PASSIVE
031456,000363: 34,3546           46360                                    PRECSET                               #        VEHICLES TO TIG
031457,000364: 34,3547           77624                           CALL                                           
031458,000365: 34,3550           73274                                    S34/35.1                              #  GET UNIT NORMAL
031459,000366: 34,3551           52145                           DLOAD    GOTO                                  
031460,000367: 34,3552           02307                                    TARGTIME                              
031461,000368: 34,3553           71434                                    MAINRTNE                              #  CALCULATE DELTA V AND DELTA V (LV)
031462,000369: 
031463,000370:                                                                                                  #  .... PREC/TT ....
031464,000371: 
031465,000372:                                                                                                  #  SUBROUTINES USED
031466,000373: 
031467,000374:                                                                                                  #        PRECSET
031468,000375:                                                                                                  #        TIMETHET
031469,000376:                                                                                                  #        S34/35.1
031470,000377: 
031471,000378: 34,3554           71220        PREC/TT            STQ      DLOAD                                 
031472,000379: 34,3555           03465                                    RTRN                                  
031473,000380: 34,3556           03442                                    TIG                                   
031474,000381: 34,3557           34041                           STCALL   TDEC1                                 #  PRECISION UPDATE ACTIVE AND PASSIVE
031475,000382: 34,3560           46360                                    PRECSET                               #        VEHICLES TO TIG
031476,000383: 34,3561           53775                           VLOAD    VSR*                                  
031477,000384: 34,3562           03552                                    RPASS3                                
031478,000385: 34,3563           57176                                    0,2                                   
031479,000386: 34,3564           16655                           STODL    RVEC                                  
031480,000387: 34,3565           03621                                    CENTANG                               
031481,000388: 34,3566           71406                           PUSH     COS                                   
031482,000389: 34,3567           16732                           STODL    CSTH                                  
031483,000390: 34,3570           43156                           SIN      SET                                   
031484,000391: 34,3571           03466                                    RVSW                                  
031485,000392: 34,3572           26730                           STOVL    SNTH                                  
031486,000393: 34,3573           03560                                    VPASS3                                
031487,000394: 34,3574           77657                           VSR*                                           
031488,000395: 34,3575           57176                                    0,2                                   
031489,000396: 34,3576           36744                           STCALL   VVEC                                  #  GET TRANSFER TIME BASED ON CENTANG OF
031490,000397: 34,3577           24732                                    TIMETHET                              #        PASSIVE VEHICLE
031491,000398: 34,3600           77624                           CALL                                           
031492,000399: 34,3601           73274                                    S34/35.1                              #  GET UNIT NORMAL
031493,000400: 34,3602           52145                           DLOAD    GOTO                                  
031494,000401: 34,3603           00037                                    T                                     
031495,000402: 34,3604           03465                                    RTRN                                  
031496,000403: 
031497,000404:                                                                                                  #  .... INTRPVP ....
031498,000405: 
031499,000406:                                                                                                  #  SUBROUTINES USED
031500,000407: 
031501,000408:                                                                                                  #        CSMPREC

Page 730

031503,000410:                                                                                                  #        LEMPREC
031504,000411: 
031505,000412: 34,3605           43020        INTRPVP            STQ      BOFF                                  #  PRECISION UPDATE PASSIVE VEHICLE TO
031506,000413: 34,3606           03465                                    RTRN                                  #        TDEC1
031507,000414: 34,3607           01352                                    AVFLAG                                
031508,000415: 34,3610           71615                                    OTHERV                                
031509,000416: 34,3611           77624                           CALL                                           
031510,000417: 34,3612           27043                                    CSMPREC                               
031511,000418: 34,3613           77650                           GOTO                                           
031512,000419: 34,3614           03465                                    RTRN                                  
031513,000420: 34,3615           77624        OTHERV             CALL                                           
031514,000421: 34,3616           27057                                    LEMPREC                               
031515,000422: 34,3617           77650                           GOTO                                           
031516,000423: 34,3620           03465                                    RTRN                                  
031517,000424: 
031518,000425:                                                                                                  #  .... VNDSPLY ....
031519,000426: 
031520,000427:                                                                                                  #  SUBROUTINES USED
031521,000428: 
031522,000429:                                                                                                  #        BANKCALL
031523,000430:                                                                                                  #        GOFLASH
031524,000431:                                                                                                  #        GOTOPOOH
031525,000432: 
031526,000433: 34,3621           00006        VNDSPLY            EXTEND                                         #  FLASH DISPLAY
031527,000434: 34,3622           23465                           QXCH     RTRN                                  
031528,000435: 34,3623           55615                           TS       VERBNOUN                              
031529,000436: 34,3624           31615                           CA       VERBNOUN                              
031530,000437: 34,3625           04616                           TCR      BANKCALL                              
031531,000438: 34,3626           20476                           CADR     GOFLASH                               
031532,000439: 34,3627           16001                           TCF      GOTOPOOH                              #  TERMINATE
031533,000440: 34,3630           01465                           TC       RTRN                                  #  PROCEED
031534,000441: 34,3631           13624                           TCF      -5                                    #  RECYCLE
031535,000442: 34,3632           01441        V06N33SR           VN       0633                                  
031536,000443: 34,3633           01467        V06N55SR           VN       0655                                  
031537,000444: 34,3634           01006        V04N06SR           VN       0406                                  
031538,000445: 34,3635           01471        V06N57SR           VN       0657                                  
031539,000446: 34,3636           01442        V06N34SR           VN       0634                                  
031540,000447: 34,3637           01472        V06N58SR           VN       0658                                  
031541,000448: 34,3640           01521        V06N81SR           VN       0681                                  
031542,000449: 34,3641           00002        DECTWO             OCT      2                                     
031543,000450: 
031544,000451: 
031545,000452: 
031546,000453: 
031547,000454: 

End of include-file STABLE_ORBIT_-_P38-P39.agc.  Parent file is MAIN.agc