Source Code

These source-code files were derived originally from the scan from MIT's Dibner Institute's now-discontinued website titled "History of Recent Science and Technology", which in turn was originally created by Gary Neff, though his high-quality scans were unfortunately reduced in legibility when presented online. The markings on the front of the printout imply that it was the original AGC developer Norm Brodeur's copy. A scan by Ron Burkey has superceded it, made from a more-legible copy from the collection of original AGC developer Fred Martin. The source code was transcribed from those images by Ron Burkey. 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:

	ASSEMBLE REVISION 249 OF AGC PROGRAM COLOSSUS BY NASA 2021111-041
	20'35 OCT. 28,1968
Note that the date is the date of the printout, not the date of the program revision.

022307,000002:                                                                                                  ## Copyright:   Public domain.
022308,000003:                                                                                                  ## Filename:    STABLE_ORBIT.agc
022309,000004:                                                                                                  ## Purpose:     Part of the source code for Colossus, build 249.
022310,000005:                                                                                                  ##              It is part of the source code for the Command Module's (CM)
022311,000006:                                                                                                  ##              Apollo Guidance Computer (AGC), possibly for Apollo 8 and 9.
022312,000007:                                                                                                  ## Assembler:   yaYUL
022313,000008:                                                                                                  ## Reference:   pp. 518-527 of 1701.pdf.
022314,000009:                                                                                                  ## Contact:     Ron Burkey <info@sandroid.org>.
022315,000010:                                                                                                  ## Website:     www.ibiblio.org/apollo.
022316,000011:                                                                                                  ## Mod history: 08/12/04 RSB.   Began transcribing.
022317,000012:                                                                                                  ##
022318,000013:                                                                                                  ## The contents of the "Colossus249" files, in general, are transcribed 
022319,000014:                                                                                                  ## from a scanned document obtained from MIT's website,
022320,000015:                                                                                                  ## http://hrst.mit.edu/hrs/apollo/public/archive/1701.pdf.  Notations on this
022321,000016:                                                                                                  ## document read, in part:
022322,000017:                                                                                                  ##
022323,000018:                                                                                                  ##      Assemble revision 249 of AGC program Colossus by NASA
022324,000019:                                                                                                  ##      2021111-041.  October 28, 1968.  
022325,000020:                                                                                                  ##
022326,000021:                                                                                                  ##      This AGC program shall also be referred to as
022327,000022:                                                                                                  ##                              Colossus 1A
022328,000023:                                                                                                  ##
022329,000024:                                                                                                  ##      Prepared by
022330,000025:                                                                                                  ##                      Massachusetts Institute of Technology
022331,000026:                                                                                                  ##                      75 Cambridge Parkway
022332,000027:                                                                                                  ##                      Cambridge, Massachusetts
022333,000028:                                                                                                  ##      under NASA contract NAS 9-4065.
022334,000029:                                                                                                  ##
022335,000030:                                                                                                  ## Refer directly to the online document mentioned above for further information.
022336,000031:                                                                                                  ## Please report any errors (relative to 1701.pdf) to info@sandroid.org.
022337,000032:                                                                                                  ##
022338,000033:                                                                                                  ## In some cases, where the source code for Luminary 131 overlaps that of 
022339,000034:                                                                                                  ## Colossus 249, this code is instead copied from the corresponding Luminary 131
022340,000035:                                                                                                  ## source file, and then is proofed to incorporate any changes.
022341,000036: 

Page 518

022343,000038:                                                                                                  #  STABLE ORBIT RENDEZVOUS PROGRAMS (P38 AND P78)
022344,000039: 
022345,000040:                                                                                                  #  MOD NO -1             LOG SECTION -- STABLE ORBIT -- P38-P39
022346,000041:                                                                                                  #  MOD BY RUDNICKI.S     DATE 26JAN68
022347,000042: 
022348,000043:                                                                                                  #  FUNCTIONAL DESCRIPTION
022349,000044: 
022350,000045:                                                                                                  #        P38 AND P78 CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL
022351,000046:                                                                                                  #        CONDITIONS REQUIRED BY TEH AGC TO (1) PUT THE ACTIVE VEHICLE
022352,000047:                                                                                                  #        ON A TRANSFER TRAJECTORY THAT INTERCEPTS THE PASSIVE VEHICLE
022353,000048:                                                                                                  #        ORBIT A GIVEN DISTANCE, DELTA R, EITHER AHEAD OF OR BEHIND THE
022354,000049:                                                                                                  #        PASSIVE VEHICLE AND (2) ACTUALLY PLACE THE ACTIVE VEHICLE IN THE
022355,000050:                                                                                                  #        PASSIVE VEHICLE ORBIT WITH A DELTA R SEPARATION BETWEEN THE TWO
022356,000051:                                                                                                  #        VEHICLES
022357,000052: 
022358,000053:                                                                                                  #  CALLING SEQUENCE
022359,000054: 
022360,000055:                                                                                                  #        ASTRONAUT REQUEST THRU DSKY
022361,000056: 
022362,000057:                                                                                                  #        V37E38E         IF THIS VEHICLE IS ACTIVE VEHICLE
022363,000058:                                                                                                  #        V37E78E         IF OTHER VEHICLE IS ACTIVE VEHICLE
022364,000059: 
022365,000060:                                                                                                  #  INPUT
022366,000061: 
022367,000062:                                                                                                  #        (1)     SOI MANEUVER
022368,000063: 
022369,000064:                                                                                                  #                (A)  TIG        TIME OF SOI MANEUVER
022370,000065:                                                                                                  #                (B)  CENTANG    ORBITAL CENTRAL ANGLE OF THE PASSIVE VEHICLE
022371,000066:                                                                                                  #                                DURING THE TRANSFER FROM TIG TO TIME OF INTERCEPT
022372,000067:                                                                                                  #                (C)  DELTAR     THE DESIRED SEPARATION OF THE TWO VEHICLES
022373,000068:                                                                                                  #                                SPECIFIED AS A DISTANCE ALONG THE PASSIVE VEHICLE
022374,000069:                                                                                                  #                                ORBIT
022375,000070:                                                                                                  #                (D)  OPTION     EQUALS 1 FOR SOI
022376,000071: 
022377,000072:                                                                                                  #        (2)     SOR MANEUVER
022378,000073: 
022379,000074:                                                                                                  #                (A)  TIG        TIME OF SOR MANEUVER
022380,000075:                                                                                                  #                (B)  CENTANG    AN OPTIONAL RESPECIFICATION OF 1 (B) ABOVE
022381,000076:                                                                                                  #                (C)  OPTION     EQUALS -2 FOR SOR
022382,000077:                                                                                                  #                (D)  DELTTIME   THE TIME REQUIRED TO TRAVERSE DELTA R WHEN
022383,000078:                                                                                                  #                                TRAVELING AT A VELOCITY EQUAL TO THE HORIZONTAL
022384,000079:                                                                                                  #                                VELOCITY OF THE PASSIVE VEHICLE -- SAVED FROM
022385,000080:                                                                                                  #                                SOI PHASE
022386,000081:                                                                                                  #                (E)  TINT       TIME OF INTERCEPT (SOI) -- SAVED FROM SOI PHASE
022387,000082: 
022388,000083:                                                                                                  #  OUTPUT
022389,000084: 
022390,000085:                                                                                                  #        (1)  TRKMKCNT   NUMBER OF MARKS
022391,000086:                                                                                                  #        (2)  TTOGO      TIME TO GO
022392,000087:                                                                                                  #        (3)  +MGA       MIDDLE GIMBAL ANGLE

Page 519

022394,000089:                                                                                                  #        (4)  DSPTEM1    TIME OF INTERCEPT OF PASSIVE VEHICLE ORBIT
022395,000090:                                                                                                  #                        (FOR SOI ONLY)
022396,000091:                                                                                                  #        (5)  POSTTPI    PERIGEE ALTITUDE OF ACTIVE VEHICLE ORBIT AFTER
022397,000092:                                                                                                  #                        THE SOI (SOR) MANEUVER
022398,000093:                                                                                                  #        (6)  DELVTPI    MAGNITUDE OF DELTA V AT SOI (SOR) TIME
022399,000094:                                                                                                  #        (7)  DELVTPF    MAGNITUDE OF DELTA V AT INTERCEPT TIME
022400,000095:                                                                                                  #        (8)  DELTA      VELOCITY AT SOI (AND SOR) -- LOCAL VERTICAL
022401,000096:                                                                                                  #                        CORDINATES
022402,000097: 
022403,000098:                                                                                                  #  SUBROUTINE USED
022404,000099: 
022405,000100:                                                                                                  #        AVFLAGA
022406,000101:                                                                                                  #        AVFLAGP
022407,000102:                                                                                                  #        VNDSPLY
022408,000103:                                                                                                  #        BANKCALL
022409,000104:                                                                                                  #        GOFLASHR
022410,000105:                                                                                                  #        GOTOP00H
022411,000106:                                                                                                  #        BLANKET
022412,000107:                                                                                                  #        ENDOFJOB
022413,000108:                                                                                                  #        PREC/TT
022414,000109:                                                                                                  #        SELECTMU
022415,000110:                                                                                                  #        INTRPVP
022416,000111:                                                                                                  #        MAINRTNE
022417,000112: 
022418,000113: 04,3103                                           BANK     04                                    
022419,000114: 04,2000                                           SETLOC   STBLEORB                              
022420,000115: 04,2000                                           BANK                                           
022421,000116: 
022422,000117: 04,3103  E4,1770                                  EBANK=   SUBEXIT                               
022423,000118: 04,3103                                           COUNT*   $$/P3879                              
022424,000119: 
022425,000120: 04,3103           04555        P38                TC       BANKCALL                              
022426,000121: 04,3104           73726                           CADR     AVFLAGA                               #  THIS VEHICLE ACTIVE
022427,000122: 04,3105           03110                           TC       +3                                    
022428,000123: 04,3106           04555        P78                TC       BANKCALL                              
022429,000124: 04,3107           73741                           CADR     AVFLAGP                               #  OTHER VEHICLE ACTIVE
022430,000125: 04,3110           04555                           TC       BANKCALL                              
022431,000126: 04,3111           73746                           CADR     P20FLGON                              #  SET UPDATFLG, TRACKFLG
022432,000127: 04,3112           33440                           CAF      V06N33SR                              #  DISPLAY TIG
022433,000128: 04,3113           03427                           TC       VNDSPLY                               
022434,000129: 04,3114           33441                           CAF      V06N55SR                              #  DISPLAY CENTANG
022435,000130: 04,3115           04555                           TCR      BANKCALL                              
022436,000131: 04,3116           20763                           CADR     GOFLASHR                              
022437,000132: 04,3117           14106                           TCF      GOTOP00H                              #  TERMINATE
022438,000133: 04,3120           13125                           TCF      +5                                    #  PROCEED
022439,000134: 04,3121           13114                           TCF      -5                                    #  RECYCLE
022440,000135: 04,3122           36214                           CAF      THREE                                 #  IMMEDIATE RETURN -- BLANK R1, R2
022441,000136: 04,3123           05415                           TCR      BLANKET                               
022442,000137: 04,3124           15112                           TCF      ENDOFJOB                              
022443,000138: 04,3125           34715                           CAF      FIVE                                  

Page 520

022445,000140: 04,3126           55131                           TS       OPTION1                               
022446,000141: 04,3127           34712                           CAF      ONE                                   
022447,000142: 04,3130           55132                           TS       OPTION2                               #  OPTION CODE IS SET TO 1
022448,000143: 04,3131           33442                           CAF      V04N06SR                              #  DISPLAY OPTION CODE -1 = SOI, 2 = SOR
022449,000144: 04,3132           04555                           TCR      BANKCALL                              
022450,000145: 04,3133           20763                           CADR     GOFLASHR                              
022451,000146: 04,3134           14106                           TCF      GOTOP00H                              #  TERMINATE
022452,000147: 04,3135           13142                           TCF      +5                                    #  PROCEED
022453,000148: 04,3136           13131                           TCF      -5                                    #  RECYCLE
022454,000149: 04,3137           34710                           CAF      BIT3                                  #  IMMEDIATE RETURN -- BLANK R3
022455,000150: 04,3140           05415                           TCR      BLANKET                               
022456,000151: 04,3141           15112                           TCF      ENDOFJOB                              
022457,000152: 04,3142           06006                           TC       INTPRET                               
022458,000153: 04,3143           70535                           SLOAD    SR1                                   
022459,000154: 04,3144           01133                                    OPTION2                               
022460,000155: 04,3145           71230                           BHIZ     DLOAD                                 
022461,000156: 04,3146           11154                                    OPTN1                                 
022462,000157: 04,3147           03656                                    TINT                                  
022463,000158: 04,3150           02611                           STORE    TINTSOI                               #  STORE FOR SOR PHASE
022464,000159: 04,3151           77614                           CLRGO                                          
022465,000160: 04,3152           01230                                    OPTNSW                                #  OPTNSW

Page 521

022467,000162: 04,3153           11203                                    JUNCTN1                               
022468,000163: 04,3154           43014        OPTN1              SET      CLEAR                                 #  SOI
022469,000164: 04,3155           01070                                    OPTNSW                                
022470,000165: 04,3156           00670                                    UPDATFLG                              
022471,000166: 04,3157           77624                           CALL                                           
022472,000167: 04,3160           11362                                    PREC/TT                               
022473,000168: 04,3161           43214                           SET      DAD                                   
022474,000169: 04,3162           00470                                    UPDATFLG                              
022475,000170: 04,3163           03413                                    TIG                                   
022476,000171: 04,3164           03656                           STORE    TINT                                  #  TI = TIG + TF
022477,000172: 04,3165           01046                           STORE    DSPTEM1                               #  FOR DISPLAY
022478,000173: 04,3166           77776                           EXIT                                           
022479,000174: 04,3167           33443                           CAF      V06N57SR                              #  DISPLAY DELTA R
022480,000175: 04,3170           04555                           TCR      BANKCALL                              
022481,000176: 04,3171           20763                           CADR     GOFLASHR                              
022482,000177: 04,3172           14106                           TCF      GOTOP00H                              #  TERMINATE
022483,000178: 04,3173           13200                           TCF      +5                                    #  PROCEED
022484,000179: 04,3174           13167                           TCF      -5                                    #  RECYCLE
022485,000180: 04,3175           36211                           CAF      SIX                                   #  IMMEDIATE RETURN -- BLANK R2, R3
022486,000181: 04,3176           05415                           TCR      BLANKET                               
022487,000182: 04,3177           15112                           TCF      ENDOFJOB                              
022488,000183: 04,3200           33444                           CAF      V06N34SR                              #  DISPLAY TIME OF INTERCEPT
022489,000184: 04,3201           03427                           TC       VNDSPLY                               
022490,000185: 04,3202           06006                           TC       INTPRET                               
022491,000186: 04,3203           45014        JUNCTN1            CLEAR    CALL                                  
022492,000187: 04,3204           04266                                    P39/79SW                              
022493,000188: 04,3205           10716                                    SELECTMU                              #  SELECT MU, CLEAR FINALFLG, GO TO VN1645
022494,000189: 04,3206           77624        RECYCLE            CALL                                           
022495,000190: 04,3207           11362                                    PREC/TT                               

Page 522

022497,000192:                                                                                                  #  This page of 1701.pdf is blank --- RSB 2004
022498,000193: 

Page 523

022500,000195: 04,3210           71214                           BOFF     DLOAD                                 
022501,000196: 04,3211           01350                                    OPTNSW                                
022502,000197: 04,3212           11232                                    OPTN2                                 
022503,000198: 04,3213           03656                                    TINT                                  
022504,000199: 04,3214           34041                           STCALL   TDEC1                                 #  PRECISION UPDATE PASSIVE VEHICLE TO
022505,000200: 04,3215           11413                                    INTRPVP                               #  INTERCEPT TIME
022506,000201: 04,3216           53575                           VLOAD    UNIT                                  
022507,000202: 04,3217           00001                                    RATT                                  #  RP/(RP)
022508,000203: 04,3220           47315                           PDVL     VXV                                   
022509,000204: 04,3221           00007                                    VATT                                  
022510,000205: 04,3222           60246                           ABVAL    NORM                                  #  (VP X RP/(RP))
022511,000206: 04,3223           00047                                    X1                                    
022512,000207: 04,3224           56325                           PDDL     DDV                                   
022513,000208: 04,3225           02611                                    DELTAR                                
022514,000209: 04,3226           77657                           SL*                                            #  DELTA R / (VP X RP/RP)
022515,000210: 04,3227           20172                                    0          -7,1                       
022516,000211: 04,3230           36613                           STCALL   DELTTIME                              #  DELTA T = (RP) DELTA R / (VP X RP)
022517,000212: 04,3231           11236                                    JUNCTN2                               
022518,000213: 04,3232           43345        OPTN2              DLOAD    DAD                                   
022519,000214: 04,3233           02611                                    TINTSOI                               
022520,000215: 04,3234           00037                                    T                                     
022521,000216: 04,3235           03656                           STORE    TINT                                  #  TI = TI + TF
022522,000217: 04,3236           45345        JUNCTN2            DLOAD    DSU                                   
022523,000218: 04,3237           03656                                    TINT                                  
022524,000219: 04,3240           02613                                    DELTTIME                              
022525,000220: 04,3241           02615                           STORE    TARGTIME                              #  TT = TI - DELTA T
022526,000221: 
022527,000222:                                                                                                  #  .... MAINRTNE ....
022528,000223: 
022529,000224:                                                                                                  #  SUBROUTINES USED:
022530,000225: 
022531,000226:                                                                                                  #        S3435.25
022532,000227:                                                                                                  #        PERIAPO1
022533,000228:                                                                                                  #        SHIFTR1
022534,000229:                                                                                                  #        VNDSPLY
022535,000230:                                                                                                  #        BANKCALL
022536,000231:                                                                                                  #        GOFLASH
022537,000232:                                                                                                  #        GOTOP00H
022538,000233:                                                                                                  #        VN1645
022539,000234: 
022540,000235: 04,3242           34041        MAINRTNE           STCALL   TDEC1                                 #  PRECISION UPDATE PASSIVE VEHICLE TO
022541,000236: 04,3243           11413                                    INTRPVP                               #        TARGET TIME
022542,000237: 04,3244           77745                           DLOAD                                          
022543,000238: 04,3245           03413                                    TIG                                   
022544,000239: 04,3246           03503                           STORE    INTIME                                
022545,000240: 04,3247           77331                           SSP      VLOAD                                 
022546,000241: 04,3250           02371                                    SUBEXIT                               
022547,000242: 04,3251           11255                                    TEST3979                              
022548,000243: 04,3252           00001                                    RATT                                  
022549,000244: 04,3253           77624                           CALL                                           
022550,000245: 04,3254           72547                                    S3435.25                              
022551,000246: 04,3255           43014        TEST3979           BOFF     BON                                   
022552,000247: 

Page 524

022554,000249: 04,3256           04346                                    P39/79SW                              
022555,000250: 04,3257           11266                                    MAINRTN1                              
022556,000251: 04,3260           01311                                    FINALFLG                              
022557,000252: 04,3261           11264                                    P39P79                                
022558,000253: 04,3262           77614                           SET                                            
022559,000254: 04,3263           00470                                    UPDATFLG                              
022560,000255: 04,3264           77776        P39P79             EXIT                                           
022561,000256: 04,3265           03313                           TC       DSPLY81                               #  FOR P39 AND P79
022562,000257: 04,3266           51575        MAINRTN1           VLOAD    ABVAL                                 
022563,000258: 04,3267           03646                                    DELVEET3                              
022564,000259: 04,3270           26635                           STOVL    DELVTPI                               #  DELTA V
022565,000260: 04,3271           03640                                    VPASS4                                
022566,000261: 04,3272           51451                           VSU      ABVAL                                 
022567,000262: 04,3273           03620                                    VTPRIME                               
022568,000263: 04,3274           26637                           STOVL    DELVTPF                               #  DELTA V (FINAL) = V-T - VT
022569,000264: 04,3275           03540                                    RACT3                                 
022570,000265: 04,3276           45115                           PDVL     CALL                                  
022571,000266: 04,3277           03612                                    VIPRIME                               
022572,000267: 04,3300           45312                                    PERIAPO1                              #  GET PERIGEE ALTITUDE
022573,000268: 04,3301           77624                           CALL                                           
022574,000269: 04,3302           45422                                    SHIFTR1                               
022575,000270: 04,3303           02641                           STORE    POSTTPI                               
022576,000271: 04,3304           43014                           BON      SET                                   
022577,000272: 04,3305           01311                                    FINALFLG                              
022578,000273: 04,3306           11310                                    DSPLY58                               
022579,000274: 04,3307           00470                                    UPDATFLG                              
022580,000275: 04,3310           77776        DSPLY58            EXIT                                           
022581,000276: 04,3311           33445                           CAF      V06N58SR                              #  DISPLAY HP, DELTA V, DELTA V (FINAL)
022582,000277: 04,3312           03427                           TC       VNDSPLY                               
022583,000278: 04,3313           33446        DSPLY81            CAF      V06N81SR                              #  DISPLAY DELTA V (LV)
022584,000279: 04,3314           03427                           TC       VNDSPLY                               
022585,000280: 04,3315           06006                           TC       INTPRET                               
022586,000281: 04,3316           77214                           CLEAR    VLOAD                                 
022587,000282: 04,3317           01267                                    XDELVFLG                              
022588,000283: 04,3320           03646                                    DELVEET3                              
022589,000284: 04,3321           37646                           STCALL   DELVSIN                               
022590,000285: 04,3322           73005                                    VN1645                                #  DISPLAY TRKMKCNT, TTOGO, +MGA
022591,000286: 04,3323           52014                           BON      GOTO                                  
022592,000287: 04,3324           04306                                    P39/79SW                              
022593,000288: 04,3325           11347                                    P39/P79B                              
022594,000289: 04,3326           11206                                    RECYCLE                               
022595,000290: 
022596,000291:                                                                                                  #  STABLE ORBIT MIDCOURSE PROGRAM (P39 AND P79)
022597,000292: 
022598,000293:                                                                                                  #  MOD NO -1             LOG SECTION -- STABLE ORBIT -- P38-P39
022599,000294:                                                                                                  #  MOD BY RUDNICKI, S    DATE 25JAN68
022600,000295: 
022601,000296:                                                                                                  #  FUNCTIONAL DESCRIPTION
022602,000297: 
022603,000298:                                                                                                  #        P39 AND P79 CALCULATE THE REQUIRED DELTA V AND OTHER INITIAL
022604,000299:                                                                                                  #        CONDITIONS REQUIRED BY TEH AGC TO MAKE A MIDCOURSE CORRECTION

Page 525

022606,000301:                                                                                                  #        MANEUVER AFTER COMPLETING THE SOI MANEUVER BUT BEFORE MAKING
022607,000302:                                                                                                  #        THE SOR MANEUVER.
022608,000303: 
022609,000304:                                                                                                  #  CALLING SEQUENCE
022610,000305: 
022611,000306:                                                                                                  #        ASTRONAUT REQUEST THRU DSKY
022612,000307: 
022613,000308:                                                                                                  #        V37E39E         IF THIS VEHICLE IS ACTIVE VEHICLE
022614,000309:                                                                                                  #        V37E79E         IF OTHER VEHICLE IS ACTIVE VEHICLE
022615,000310: 
022616,000311:                                                                                                  #  INPUT
022617,000312: 
022618,000313:                                                                                                  #        (1)  TPASS4     TIME OF INTERCEPT -- SAVED FROM P38/P78
022619,000314:                                                                                                  #        (2)  TARGTIME   TIME THAT PASSIVE VEHICLE IS AT INTERCEPT POINT --
022620,000315:                                                                                                  #                        SAED FROM P38/P78
022621,000316: 
022622,000317:                                                                                                  #  OUTPUT
022623,000318: 
022624,000319:                                                                                                  #        (1)  TRKMKCNT   NUMBER OF MARKS.
022625,000320:                                                                                                  #        (2)  TTOGO      TIME TO GO
022626,000321:                                                                                                  #        (3)  +MGA       MIDDLE GIMBAL ANGLE
022627,000322:                                                                                                  #        (4)  DELVLVC    DELTA VELOCITY AT MID -- LOCAL VERTICAL COORDINATES
022628,000323: 
022629,000324:                                                                                                  #  SUBROUTINES USED
022630,000325: 
022631,000326:                                                                                                  #        AVFLAGA
022632,000327:                                                                                                  #        AVFLAGP
022633,000328:                                                                                                  #        LOADTIME
022634,000329:                                                                                                  #        SELECTMU
022635,000330:                                                                                                  #        PRECSET
022636,000331:                                                                                                  #        S34/35.1
022637,000332:                                                                                                  #        MAINRTNE
022638,000333: 
022639,000334: 04,3327           04555        P39                TC       BANKCALL                              
022640,000335: 04,3330           73726                           CADR     AVFLAGA                               #  THIS VEHICLE ACTIVE
022641,000336: 04,3331           00006                           EXTEND                                         
022642,000337: 04,3332           31422                           DCA      ATIGINC                               
022643,000338: 04,3333           03340                           TC       P39/P79A                              
022644,000339: 04,3334           04555        P79                TC       BANKCALL                              
022645,000340: 04,3335           73741                           CADR     AVFLAGP                               #  OTHER VEHICLE ACTIVE
022646,000341: 04,3336           00006                           EXTEND                                         
022647,000342: 04,3337           31424                           DCA      PTIGINC                               
022648,000343: 04,3340           53764        P39/P79A           DXCH     KT                                    #  TIME TO PREPARE FOR BURN
022649,000344: 04,3341           04555                           TC       BANKCALL                              
022650,000345: 04,3342           73746                           CADR     P20FLGON                              #  SET UPDATFLG, TRACKFLG
022651,000346: 04,3343           06006                           TC       INTPRET                               
022652,000347: 04,3344           45014                           SET      CALL                                  
022653,000348: 04,3345           04066                                    P39/79SW                              
022654,000349: 04,3346           10716                                    SELECTMU                              #  SELECT MU, CLEAR FINALFLG, GO TO VN1645
022655,000350: 04,3347           43234        P39/P79B           RTB      DAD                                   

Page 526

022657,000352: 04,3350           45505                                    LOADTIME                              
022658,000353: 04,3351           02364                                    KT                                    
022659,000354: 04,3352           03413                           STORE    TIG                                   #  TIG = T (PRESENT) + PREPARATION TIME
022660,000355: 04,3353           34041                           STCALL   TDEC1                                 #  PRECISION UPDATE ACTIVE AND PASSIVE
022661,000356: 04,3354           45354                                    PRECSET                               #        VEHICLES TO TIG
022662,000357: 04,3355           77624                           CALL                                           
022663,000358: 04,3356           72522                                    S34/35.1                              #  GET UNIT NORMAL
022664,000359: 04,3357           52145                           DLOAD    GOTO                                  
022665,000360: 04,3360           02615                                    TARGTIME                              
022666,000361: 04,3361           11242                                    MAINRTNE                              #  CALCULATE DELTA V AND DELTA V (LV)
022667,000362: 
022668,000363:                                                                                                  #  .... PREC/TT ....
022669,000364: 
022670,000365:                                                                                                  #  SUBROUTINES USED
022671,000366: 
022672,000367:                                                                                                  #        PRECSET
022673,000368:                                                                                                  #        TIMETHET
022674,000369:                                                                                                  #        S34/35.1
022675,000370: 
022676,000371: 04,3362           71220        PREC/TT            STQ      DLOAD                                 
022677,000372: 04,3363           02367                                    RTRN                                  
022678,000373: 04,3364           03413                                    TIG                                   
022679,000374: 04,3365           34041                           STCALL   TDEC1                                 #  PRECISION UPDATE ACTIVE AND PASSIVE
022680,000375: 04,3366           45354                                    PRECSET                               #        VEHICLES TO TIG
022681,000376: 04,3367           53775                           VLOAD    VSR*                                  
022682,000377: 04,3370           03554                                    RPASS3                                
022683,000378: 04,3371           57176                                    0,2                                   
022684,000379: 04,3372           16657                           STODL    RVEC                                  
022685,000380: 04,3373           03754                                    CENTANG                               
022686,000381: 04,3374           71406                           PUSH     COS                                   
022687,000382: 04,3375           16734                           STODL    CSTH                                  
022688,000383: 04,3376           43156                           SIN      SET                                   
022689,000384: 04,3377           03466                                    RVSW                                  
022690,000385: 04,3400           26732                           STOVL    SNTH                                  
022691,000386: 
022692,000387: 04,3401           03562                                    VPASS3                                
022693,000388: 04,3402           77657                           VSR*                                           
022694,000389: 04,3403           57176                                    0,2                                   
022695,000390: 04,3404           36746                           STCALL   VVEC                                  #  GET TRANSFER TIME BASED ON CENTANG OF
022696,000391: 04,3405           24737                                    TIMETHET                              #        PASSIVE VEHICLE
022697,000392: 04,3406           77624                           CALL                                           
022698,000393: 04,3407           72522                                    S34/35.1                              #  GET UNIT NORMAL
022699,000394: 04,3410           52145                           DLOAD    GOTO                                  
022700,000395: 04,3411           00037                                    T                                     
022701,000396: 04,3412           02367                                    RTRN                                  
022702,000397: 
022703,000398:                                                                                                  #  .... INTRPVP ....
022704,000399: 
022705,000400:                                                                                                  #  SUBROUTINES USED
022706,000401: 
022707,000402:                                                                                                  #        CSMPREC
022708,000403:                                                                                                  #        LEMPREC
022709,000404: 
022710,000405: 04,3413           43020        INTRPVP            STQ      BOFF                                  #  PRECISION UPDATE PASSIVE VEHICLE TO
022711,000406: 04,3414           02367                                    RTRN                                  #        TDEC1

Page 527

022713,000408: 04,3415           01352                                    AVFLAG                                
022714,000409: 04,3416           11423                                    OTHERV                                
022715,000410: 04,3417           77624                           CALL                                           
022716,000411: 04,3420           27022                                    CSMPREC                               
022717,000412: 04,3421           77650                           GOTO                                           
022718,000413: 04,3422           02367                                    RTRN                                  
022719,000414: 04,3423           77624        OTHERV             CALL                                           
022720,000415: 04,3424           27036                                    LEMPREC                               
022721,000416: 04,3425           77650                           GOTO                                           
022722,000417: 04,3426           02367                                    RTRN                                  
022723,000418: 
022724,000419:                                                                                                  #  .... VNDSPLY ....
022725,000420: 
022726,000421:                                                                                                  #  SUBROUTINES USED
022727,000422: 
022728,000423:                                                                                                  #        BANKCALL
022729,000424:                                                                                                  #        GOFLASH
022730,000425:                                                                                                  #        GOTOP00H
022731,000426: 
022732,000427: 04,3427           00006        VNDSPLY            EXTEND                                         #  FLASH DISPLAY
022733,000428: 04,3430           23767                           QXCH     RTRN                                  
022734,000429: 04,3431           55765                           TS       VERBNOUN                              
022735,000430: 04,3432           31765                           CA       VERBNOUN                              
022736,000431: 04,3433           04555                           TCR      BANKCALL                              
022737,000432: 04,3434           20624                           CADR     GOFLASH                               
022738,000433: 04,3435           14106                           TCF      GOTOP00H                              #  TERMINATE
022739,000434: 04,3436           01767                           TC       RTRN                                  #  PROCEED
022740,000435: 04,3437           13432                           TCF      -5                                    #  RECYCLE
022741,000436: 04,3440           01441        V06N33SR           VN       0633                                  
022742,000437: 04,3441           01467        V06N55SR           VN       0655                                  
022743,000438: 04,3442           01006        V04N06SR           VN       0406                                  
022744,000439: 04,3443           01471        V06N57SR           VN       0657                                  
022745,000440: 04,3444           01442        V06N34SR           VN       0634                                  
022746,000441: 04,3445           01472        V06N58SR           VN       0658                                  
022747,000442: 04,3446           01521        V06N81SR           VN       0681                                  
022748,000443: 
022749,000444:                                                                                                  #  *** END OF SMOOCH  .007 ***
022750,000445: 
022751,000446: 
022752,000447: 

End of include-file STABLE_ORBIT.agc.  Parent file is MAIN.agc