Source Code

This source code is very close to the Apollo Guidance Computer software for the Apollo 13 Lunar module. This revision of the Luminary 131 program is from December of 1969, whereas there was a later revision in January of 1970, and still another revision in February, which is the code that flew on the mission. As far as this transcription is concerned, it was originally from a copy made in 1991 of a printout from the collection of AGC developer Don Eyles for collector David Craig. It was subsequently scanned by Gary Neff, reprocessed for online presentation at the now-discontinued History of Recent Science and Technology (HRST) website of MIT's Dibner Institute (the full-quality scans being discarded in the process), and finally transcribed by Ron Burkey for the Virtual AGC Project. Although a high-quality replacement scan for a completely illegible page was later provided by Gary Neff, the reduced legibility of the reprocessed HRST posting nevertheless caused many errors to be introduced into the transcription. Accordingly, a second scan of the same physical printout was made in 2017 for the Virtual AGC Project's collection at the Internet Archive, and used to correct the transcription errors. All of the scanned materials mentioned, as well as other Luminary 131 related material, are available online. Don Eyles apprently made additional hand-written notes in printout between 1991 and 2017, so the two scans are not identical in that respect. The page-headings in the printout read, in part:
	GAP:  ASSEMBLE REVISION 131 OF AGC PROGRAM LUMINARY BY NASA 2021112-091
	17:53 DEC. 19, 1969
Note that the date is the date the printout was made, not the date on which the program revision was released, although these happen to be very close together.

050234,000002:                                                                                                  ## Copyright:   Public domain.
050235,000003:                                                                                                  ## Filename:    INTEGRATION_INITIALIZATION.agc
050236,000004:                                                                                                  ## Purpose:     A section of Luminary 1C, revision 131.
050237,000005:                                                                                                  ##              It is part of the source code for the Lunar Module's (LM)
050238,000006:                                                                                                  ##              Apollo Guidance Computer (AGC) for Apollo 13.
050239,000007:                                                                                                  ##              This file is intended to be a faithful transcription, except
050240,000008:                                                                                                  ##              that the code format has been changed to conform to the
050241,000009:                                                                                                  ##              requirements of the yaYUL assembler rather than the
050242,000010:                                                                                                  ##              original YUL assembler.
050243,000011:                                                                                                  ## Reference:   pp. 1198-1219
050244,000012:                                                                                                  ## Contact:     Ron Burkey <info@sandroid.org>.
050245,000013:                                                                                                  ## Website:     www.ibiblio.org/apollo/index.html
050246,000014:                                                                                                  ## Mod history: 06/02/03 RSB.   Began transcribing.
050247,000015:                                                                                                  ##              05/14/05 RSB.   Corrected website reference above.
050248,000016:                                                                                                  ##              2010-10-25 JL   Indentation fixes.
050249,000017:                                                                                                  ##              2017-01-06 RSB  Page numbers now agree with those on the
050250,000018:                                                                                                  ##                              original hardcopy, as opposed to the PDF page
050251,000019:                                                                                                  ##                              numbers in 1701.pdf.
050252,000020:                                                                                                  ##              2017-02-27 RSB  Proofed comment text using octopus/ProoferComments.
050253,000021:                                                                                                  ##              2017-03-01 RSB  Fixed lingering comment-text typos.
050254,000022:                                                                                                  ##              2017-03-02 RSB  P00HFLAG --> POOHFLAG.
050255,000023:                                                                                                  ##              2017-03-13 RSB  Comment-text fixes noted in proofing Luminary 116.
050256,000024:                                                                                                  ##              2017-03-15 RSB  Comment-text fixes identified in 5-way
050257,000025:                                                                                                  ##                              side-by-side diff of Luminary 69/99/116/131/210.
050258,000026: 

Page 1198

050260,000028:                                                                                                  #  1.0 INTRODUCTION
050261,000029:                                                                                                  #  ----------------
050262,000030: 
050263,000031:                                                                                                  #  FROM A USERS POINT OF VIEW, ORBITAL INTEGRATION IS ESSENTIALLY THE SAME AS THE 278 INTEGRATION
050264,000032:                                                                                                  #  PROGRAM.  THE SAME ENTRANCES TO THE PROGRAM WILL BE MAINTAINED, THE SAME STALLING ROUTINE WILL BE USED AND
050265,000033:                                                                                                  #  OUTPUT WILL STILL BE VIA THE PUSHLIST.  THE PRIMARY DIFFERENCES TO A USER INVOLVE THE ADDED CAPABILITY OF
050266,000034:                                                                                                  #  TERMINATING INTEGRATION AT A SPECIFIC FINAL RADIUS AND THE DIFFERENCE IN STATE VECTOR SCALING INSIDE AND OUT-
050267,000035:                                                                                                  #  SIDE THE LUNAR SPHERE OF INFLUENCE.
050268,000036: 
050269,000037:                                                                                                  #  IN ORDER TO MAKE THE CSM(LEM)PREC AND CSM(LEM)CONIC ENTRANCES SIMILAR TO FLIGHT 278, THE INTEGRATION PROGRAM
050270,000038:                                                                                                  #  WILL ITSELF SET THE FINAL RADIUS (RFINAL) TO 0 SO THAT REACHING THE DESIRED TIME ONLY WILL TERMINATE
050271,000039:                                                                                                  #  INTEGRATION.  THE DP REGISTER RFINAL MUST BE SET BY USERS OF INTEGRVS AND INTEGRV, AND MUST BE DONE AFTER THE
050272,000040:                                                                                                  #  CALL TC INTSTALL.
050273,000041: 
050274,000042:                                                                                                  #  WHEN THE LM IS ON THE LUNAR SURFACE (INDICATED BY LUNAR SURFACE FLAG SET) CALLS TO LEMCONIC, LEMPREC, AND
050275,000043:                                                                                                  #  INTEGRV WITH VINFLAG = 0 WILL RESULT IN THE USE OF THE PLANETARY INERTIAL ORIENTATION SUBROUTINES TO PROVIDE
050276,000044:                                                                                                  #  BOTH THE LMS POSITION AND VELOCITY IN THE REFERENCE COORDINATE SYSTEM.
050277,000045:                                                                                                  #  THE PROGRAM WILL PROVIDE OUTPUT AS IF INTEGRATION WAS USED.  THAT IS, THE PUSHLIST WILL BE SET AS NOTED BELOW AND
050278,000046:                                                                                                  #  THE PERMANENT STATE VECTOR UPDATED WHEN SPECIFIED BY AN INTEGRV CALL.
050279,000047: 
050280,000048:                                                                                                  #  USERS OF INTEGRVS DESIRING INTEGRATION (INTYPFLG = 0) SHOULD NOTE THAT THE OBLATENESS PERTURBATION COMPUTATION
050281,000049:                                                                                                  #  IN LUNAR ORBIT IS TIME DEPENDENT.  THEREFORE, THE USER SHOULD SUPPLY AN INITIAL STATE VECTOR VALID AT SOME REAL
050282,000050:                                                                                                  #  TIME AND THE DESIRED TIME (TDEC1) ALSO AT SOME REAL TIME.  FOR CONIC ,,INTEGRATION,, THE USER MAY STILL USE ZERO
050283,000051:                                                                                                  #  AS THE INITIAL TIME AND DELTA TIME AS THE DESIRED TIME.
050284,000052: 
050285,000053:                                                                                                  #  2.0 GENERAL DESCRIPTION
050286,000054:                                                                                                  #  -----------------------
050287,000055: 
050288,000056:                                                                                                  #  THE INTEGRATION PROGRAM OPERATES AS A CLOSED INTERPRETIVE SUBROUTINE AND PERFORMS THESE FUNCTIONS---
050289,000057:                                                                                                  #        1) INTEGRATES (PRECISION OR CONIC) EITHER CSM OR LM STATE VECTOR
050290,000058:                                                                                                  #        2) INTEGRATES THE W-MATRIX
050291,000059:                                                                                                  #        3) PERMANENT OR TEMPORARY UPDATE OF THE STATE VECTOR
050292,000060: 
050293,000061:                                                                                                  #  THERE ARE SIX ENTRANCES TO THE INTEGRATION PROGRAM.  FOUR OF THESE (CSMPREC, LEMPREC, CSMCONIC, LEMCONIC) SET
050294,000062:                                                                                                  #  ALL THE FLAGS REQUIRED IN THE INTEGRATION PROGRAM ITSELF TO CAUSE THE PRECISION OR CONIC INTEGRATION (KEPLER) OF
050295,000063:                                                                                                  #  THE LM OR CSM STATE VECTOR, AS THE NAMES SUGGEST.  ONE ENTRANCE (INTEGRVS) PERMITS THE CALLING PROGRAM TO
050296,000064:                                                                                                  #  PROVIDE A STATE VECTOR TO BE INTEGRATED.  THE CALLING PROGRAM MUST SET THE FLAGS INDICATING (1) PRECISION OR
050297,000065:                                                                                                  #  CONIC INTEGRATION, (2) IN OR OUT OF LUNAR SPHERE, (3) MIDCOURSE OR NOT, AND THE INTEGRATION PROGRAM COMPLETES
050298,000066:                                                                                                  #  THE FLAG SETTING TO BYPASS W-MATRIX INTEGRATION.  THE LAST ENTRANCE (INTEGRV, USED IN GENERAL BY THE
050299,000067:                                                                                                  #  NAVIGATION PROGRAMS) PERMITS THE CALLER TO SET FIVE FLAGS (NOT MOONFLAG OR MIDFLAG) BUT NOT TO INPUT A STATE
050300,000068:                                                                                                  #  VECTOR.  ANY PROGRAM WHICH CALLS INTEGRVS OR INTEGRV MUST CALL INTSTALL BEFORE IT SETS THE INTEGRATION FLAGS
050301,000069:                                                                                                  #  AND/OR STATE VECTOR.
050302,000070: 
050303,000071:                                                                                                  #  THREE SETS OF 42 REGISTERS AND 2 FLAGS ARE USED FOR THE STATE VECTORS.  TWO SETS, WHICH MAY NOT BE OVERLAYED, ARE
050304,000072:                                                                                                  #  USED FOR THE PERMANENT STATE VECTORS FOR THE CSM AND LM.  THE THIRD SET, WHICH MAY BE OVERLAYED WHEN INTEGRATION
050305,000073:                                                                                                  #  IS NOT BEING DONE, IS USED IN THE COMPUTATIONS.
050306,000074:                                                                                                  #  THE PERMANENT STATE VECTORS WILL BE PERIODICALLY UPDATED SO THAT THE VECTORS WILL NOT BE OLDER THAN 4 TIMESTEPS.
050307,000075:                                                                                                  #  THE PERMANENT STATE VECTORS WILL ALSO BE UPDATED WHENEVER THE W-MATRIX IS INTEGRATED OR WHEN A CALLER OF INTEGRV
050308,000076:                                                                                                  #  SETS STATEFLG (THE NAVIGATION PROGRAMS P20, P22.)
050309,000077: 

Page 1199

050311,000079:                                                                                                  #  APPENDIX B OF THE USERS GUIDE LISTS THE STATE VECTOR QUANTITIES.
050312,000080: 
050313,000081:                                                                                                  #  2.1 RESTARTS
050314,000082: 
050315,000083:                                                                                                  #  PHASE CHANGES WILL BE MADE IN THE INTEGRATION PROGRAM ONLY FOR THE INTEGRV ENTRANCE (I.E., WHEN THE W-MATRIX IS
050316,000084:                                                                                                  #  INTEGRATED OR PERMANENT STATE VECTOR IS UPDATED.)  THE GROUP NUMBER USED WILL BE THAT FOR THE P20-25 PROGRAMS
050317,000085:                                                                                                  #  (I.E., GROUP2) SINCE THE INTEGRV ENTRANCE WILL ONLY BE USED BY THESE PROGRAMS.  IF A RESTART OCCURS DURING AN
050318,000086:                                                                                                  #  INTEGRATION OF THE STATE VECTOR ONLY, THE RECOVERY WILL BE TO THE LAST PHASE IN THE CALLING PROGRAM.  CALLING
050319,000087:                                                                                                  #  PROGRAMS WHICH USE THE INTEGRV OR INTEGRVS ENTRANCE OF INTEGRATION SHOULD ENSURE THAT IF PHASE CHANGING IS DONE
050320,000088:                                                                                                  #  THAT IT IS PRIOR TO SETTING THE INTEGRATION INPUTS IN THE PUSHLIST.
050321,000089: 
050322,000090:                                                                                                  #  THIS IS BECAUSE THE PUSHLIST IS LOST DURING A RESTART.
050323,000091: 
050324,000092:                                                                                                  #  2.2 SCALING
050325,000093: 
050326,000094:                                                                                                  #  THE INTEGRATION ROUTINE WILL MAINTAIN THE PERMANENT MEMORY STATE VECTORS IN THE SCALING AND UNITS DEFINED IN
050327,000095:                                                                                                  #  APPENDIX B OF THE USERS GUIDE.  THE SCALING OF THE OUTPUT POSITION VECTOR DEPENDS ON THE ORIGIN OF THE COORDINATE
050328,000096:                                                                                                  #  SYSTEM AT THE DESIRED INTEGRATION TIME.  THE COORDINATE SYSTEM TRANSFORMATION WILL BE DONE AUTOMATICALLY ON
050329,000097:                                                                                                  #  MULTIPLE TIMESTEP ENCKE INTEGRATION ONLY.  THUS IT IS POSSIBLE TO HAVE OUTPUT FROM SUCCESSIVE INTEGRATIONS IN
050330,000098:                                                                                                  #  DIFFERENT SCALING.
050331,000099: 
050332,000100:                                                                                                  #  HOWEVER, RATT, VATT WILL ALWAYS BE SCALED THE SAME.
050333,000101: 
050334,000102:                                                                                                  #  3.0 INPUT/OUTPUT
050335,000103:                                                                                                  #  ----------------
050336,000104: 
050337,000105:                                                                                                  #  PROGRAM INPUTS ARE THE FLAGS DESCRIBED IN APPENDIX A AND THE PERMANENT STATE VECTOR QUANTITIES DESCRIBED IN AP-
050338,000106:                                                                                                  #  PENDIX B OF THE USERS GUIDE, PLUS THE DESIRED TIME TO INTEGRATE TO IN TDEC1 (A PUSH LIST LOCATION).
050339,000107:                                                                                                  #  FOR INTEGRVS, THE RCV,VCV,TET OF THE TEMPORARY STATE VECTOR MUST BE SET, PLUS MOONFLAG AND MIDFLAG
050340,000108: 
050341,000109:                                                                                                  #  FOR SIMULATION THE FOLLOWING QUANTITIES MUST BE PRESET ---
050342,000110:                                                                                                  #                                                                                EARTH   MOON
050343,000111:                                                                                                  #                                                                                 29      27
050344,000112:                                                                                                  #        RRECTCSM(LEM)   -       RECTIFIED POSITION VECTOR       METERS          2       2
050345,000113: 
050346,000114:                                                                                                  #                                                                                 7       5
050347,000115:                                                                                                  #        VRECTCSM(LEM)   -       RECTIFIED VELOCITY VECTOR       M/CSEC          2       2
050348,000116: 
050349,000117:                                                                                                  #                                                                                 28      28
050350,000118:                                                                                                  #        TETCSM(LEM)     -       TIME STATE VECTOR IS VALID      CSEC            2       2
050351,000119:                                                                                                  #                                CUSTOMARILY 0, BUT NOTE LUNAR
050352,000120:                                                                                                  #                                ORBIT DEPENDENCE ON REAL TIME.
050353,000121: 
050354,000122:                                                                                                  #                                                                                 22      18
050355,000123:                                                                                                  #        DELTAVCSM(LEM)  -       POSITION DEVIATION              METERS          2       2
050356,000124:                                                                                                  #                                0 IF TCCSM(LEM) = 0
050357,000125: 
050358,000126:                                                                                                  #                                                                                 3       -1
050359,000127:                                                                                                  #        NUVCSM(LEM)     -       VELOCITY DEVIATION              M/CSEC          2       2
050360,000128:                                                                                                  #                                0 IF TCCSM(LEM) = 0

Page 1200

050362,000130:                                                                                                  #                                                                                 29      27
050363,000131:                                                                                                  #        RCVCSM(LEM)     -       CONIC POSITION                  METERS          2       2
050364,000132:                                                                                                  #                                EQUALS RRECTCSM(LEM) IF
050365,000133:                                                                                                  #                                TCCSM(LEM) = 0
050366,000134: 
050367,000135:                                                                                                  #                                                                                 7       5
050368,000136:                                                                                                  #        VCVCSM(LEM)     -       CONIC VELOCITY                  M/CSEC          2       2
050369,000137:                                                                                                  #                                EQUALS VRECTCSM(LEM) IF
050370,000138:                                                                                                  #                                TCCSM(LEM) = 0
050371,000139: 
050372,000140:                                                                                                  #                                                                                 28      28
050373,000141:                                                                                                  #        TCCSM(LEM)      -       TIME SINCE RECTIFICATION        CSECS           2       2
050374,000142:                                                                                                  #                                CUSTOMARILY 0
050375,000143: 
050376,000144:                                                                                                  #                                                                 1/2             17      16
050377,000145:                                                                                                  #        XKEPCSM(LEM)    -       ROOT OF KEPLERS EQUATION        M               2       2
050378,000146:                                                                                                  #                                0 IF TCCSM(LEM) = 0
050379,000147: 
050380,000148:                                                                                                  #        CMOONFLG        -       PERMANENT FLAGS CORRESPONDING                   0       0
050381,000149:                                                                                                  #        CMIDFLAG                TO MOONFLAG AND MIDFLAG                         0,1     0,1
050382,000150:                                                                                                  #        LMOONFLG                C = CSM, L = LM                                 0       0
050383,000151:                                                                                                  #        LMIDFLG                                                                 0,1     0,1
050384,000152: 
050385,000153:                                                                                                  #        SURFFLAG        -       LUNAR SURFACE FLAG                              0,1     0,1
050386,000154: 
050387,000155:                                                                                                  #  IN ADDITION, IF (L)CMIDFLAG IS SET, THE INITIAL INPUT VALUES FOR LUNAR
050388,000156:                                                                                                  #  SOLAR EPHEMERIDES SUBROUTINE AND PLANETARY INERTIAL ORIENTATION SUB-
050389,000157:                                                                                                  #  ROUTINE MUST BE PRESET.
050390,000158: 
050391,000159:                                                                                                  #  OUTPUT
050392,000160:                                                                                                  #        AFTER EVERY CALL TO INTEGRATION
050393,000161:                                                                                                  #                                                                        EARTH   MOON
050394,000162:                                                                                                  #                                                                         29      29
050395,000163:                                                                                                  #        0D      RATT    POSITION                        METERS          2       2
050396,000164: 
050397,000165:                                                                                                  #                                                                         7       7
050398,000166:                                                                                                  #        6D      VATT    VELOCITY                        M/CSEC          2       2
050399,000167: 
050400,000168:                                                                                                  #                                                                         28      28
050401,000169:                                                                                                  #        12D     TAT     TIME                                            2       2
050402,000170: 
050403,000171:                                                                                                  #                                                                         29      27
050404,000172:                                                                                                  #        14D     RATT1   POSITION                        METERS          2       2
050405,000173: 
050406,000174:                                                                                                  #                                                                         7       5
050407,000175:                                                                                                  #        20D     VATT1   VELOCITY                        M/CSEC          2       2
050408,000176: 
050409,000177:                                                                                                  #                                                         3   2           36      30
050410,000178:                                                                                                  #        26D     MU(P)   MU                              M /CS           2       2
050411,000179: 
050412,000180:                                                                                                  #        X1              MUTABLE ENTRY                                   -2      -10D
050413,000181: 
050414,000182:                                                                                                  #        X2              COORDINT
050415,000183:                                                                                                  #        X2              COORDINATE SYSTEM ORIGEN                        0       2
050416,000184:                                                                                                  #                        (THIS, NOT MOONFLAG, SHOULD BE

Page 1201

050418,000186:                                                                                                  #                        USED TO DETERMINE ORIGIN.)
050419,000187: 
050420,000188:                                                                                                  #  IN ADDITION TO THE ABOVE, THE PERMANENT STATE VECTOR IS UPDATED WHENEVER
050421,000189:                                                                                                  #  STATEFLG WAS SET AND WHENEVER A W-MATRIX IS TO BE INTEGRATED.  THE PUSH
050422,000190:                                                                                                  #  COUNTER IS SET TO 0 AND OVERFLOW IS CLEARED BEFORE RETURNING TO THE
050423,000191:                                                                                                  #  CALLING PROGRAM.
050424,000192: 
050425,000193:                                                                                                  #  4.0 CALLING SEQUENCES AND SAMPLE CODE
050426,000194:                                                                                                  #  -------------------------------------
050427,000195: 
050428,000196:                                                                                                  #        A) PRECISION ORBITAL INTEGRATION.  CSMPREC, LEMPREC ENTRANCES
050429,000197:                                                                                                  #                L-X     STORE TIME TO 95T5791T5 T 95 PUS L9ST (T4531)
050430,000198:                                                                                                  #                L       CALL
050431,000199:                                                                                                  #                L+1             CSMPREC (OR LEMPREC)
050432,000200:                                                                                                  #                L+2     RETURN
050433,000201:                                                                                                  #           INPUT                                                           28
050434,000202:                                                                                                  #                TDEC1 (PD 32D) TIME TO INTEGRATE TO...CENTISECONDS SCALED 2
050435,000203:                                                                                                  #           OUTPUT
050436,000204:                                                                                                  #                THE DATA LISTED IN SECTION 3.0 PLUS
050437,000205:                                                                                                  #                RQVV    POSITION VECTOR OF VEHICLE WITH RESPECT TO SECONDARY
050438,000206:                                                                                                  #                BODY... METERS B-29 ONLY IF MIDFLAG = DIM0FLAG = 1
050439,000207:                                                                                                  #        B) CONIC INTEGRATION.  CSMCONIC, LEMCONIC ENTRANCES
050440,000208:                                                                                                  #                L-X     STORE TIME IN PUSH LIST (TDEC1)
050441,000209:                                                                                                  #                L       CALL
050442,000210:                                                                                                  #                L+1             CSMCONIC (OR LEMCONIC)
050443,000211:                                                                                                  #           INPUT/OUTPUT
050444,000212:                                                                                                  #                SAME AS PRECISION INTEGRATION, EXCEPT RQVV NOT SET
050445,000213:                                                                                                  #        C) INTEGRATE GIVEN STATE VECTOR.  INTEGRVS ENTRANCE
050446,000214:                                                                                                  #                CALL
050447,000215:                                                                                                  #                                INTSTALL
050448,000216:                                                                                                  #                VLOAD
050449,000217:                                                                                                  #                                POSITION VECTOR
050450,000218:                                                                                                  #                STOVL           RCV
050451,000219:                                                                                                  #                                VELOCITY VECTOR
050452,000220:                                                                                                  #                STODL           VCV
050453,000221:                                                                                                  #                                TIME STATE VECTOR VALID
050454,000222:                                                                                                  #                STODL           TET
050455,000223:                                                                                                  #                                FINAL RADIUS
050456,000224:                                                                                                  #                STORE           RFINAL
050457,000225:                                                                                                  #                SET(CLEAR)      SET(CLEAR)
050458,000226:                                                                                                  #                                INTYPFLAG
050459,000227:                                                                                                  #                                MOONFLAG
050460,000228:                                                                                                  #                SET(CLEAR)      DLOAD
050461,000229:                                                                                                  #                                DESIRED TIME
050462,000230:                                                                                                  #                STCALL          TDEC1
050463,000231:                                                                                                  #                                INTEGRVS
050464,000232:                                                                                                  #          INPUT
050465,000233:                                                                                                  #                RCV     POSITION VECTOR                 METERS
050466,000234:                                                                                                  #                VCV     VELOCITY VECTOR                 M/CSEC
050467,000235:                                                                                                  #                TET     TIME OF STATE VECTOR (MAY = 0)  CSEC B-28

Page 1202

050469,000237:                                                                                                  #                TDEC1   TIME TO INTEGRATE TO            CSEC B-28 (PD 32D)
050470,000238:                                                                                                  #                        (MAY BE INCREMENT IF TET=0)
050471,000239:                                                                                                  #          OUTPUT
050472,000240:                                                                                                  #                SAME AS FOR PRECISION OR CONIC INTEGRATION,
050473,000241:                                                                                                  #                DEPENDING ON INTYPFLG.
050474,000242:                                                                                                  #        D) INTEGRATE STATE VECTOR.  INTGRV ENTRANCE
050475,000243:                                                                                                  #                L-X     STORE TIME IN PUSH LIST (TDEC1) (MAY BE DONE AFTER CALL TO INTSTALL)
050476,000244:                                                                                                  #                L-8     CALL
050477,000245:                                                                                                  #                L-7
050478,000246:                                                                                                  #                L-6     SET(CLEAR)      SET(CLEAR)
050479,000247:                                                                                                  #                L-5                     VINTFLAG        1=CSM, 0=LM
050480,000248:                                                                                                  #                L-4                     INTYPFLAG       1=CONIC, 0=PRECISION
050481,000249:                                                                                                  #                L-3     SET(CLEAR)      SET(CLEAR)
050482,000250:                                                                                                  #                L-2                     DIM0FLAG        1=W-MATRIX, 0=NO W-MATRIX
050483,000251:                                                                                                  #                L-1                     D6OR9FLG        1=9X9, 0=6X6
050484,000252:                                                                                                  #                L       SET             DLOAD
050485,000253:                                                                                                  #                L+1                     STATEFLG        DESIRE PERMANENT UPDATE
050486,000254:                                                                                                  #                L+2                     FINAL RAD.      OF STATE VECTOR
050487,000255:                                                                                                  #                L+3     STCALL          RFINAL
050488,000256:                                                                                                  #                L+4                     INTEGRV
050489,000257:                                                                                                  #                L       CALL                            NORMAL USE -- WILL UPDATE STATE
050490,000258:                                                                                                  #                L+1                     INTEGRV         VECTOR IF DIM0FLAG=1. (STATEFLG IS
050491,000259:                                                                                                  #                L+2     RETURN                          ALWAYS RESET IN INTEGRATION AFTER
050492,000260:                                                                                                  #                                                        IT IS USED.)
050493,000261:                                                                                                  #          INPUT
050494,000262:                                                                                                  #                TDEC1 (PD 32D) TIME TO INTEGRATE TO     CSEC B-28
050495,000263:                                                                                                  #          OUTPUT
050496,000264:                                                                                                  #                SAME AS FOR PRECISION OR CONIC INTEGRATION
050497,000265:                                                                                                  #          THE PROGRAM WILL SET MOONFLAG, MIDFLAG DEPENDING ON
050498,000266:                                                                                                  #          THE PERMANENT STATE VECTOR REPRESENTATION.
050499,000267: 
050500,000268: 11,2404                                           BANK     11                                    
050501,000269: 13,2000                                           SETLOC   INTINIT                               
050502,000270: 13,2000                                           BANK                                           
050503,000271: 13,2602  E3,1554                                  EBANK=   RRECTCSM                              
050504,000272: 13,2602                                           COUNT*   $$/INTIN                              
050505,000273: 13,2602           05353        STATEINT           TC       PHASCHNG                              
050506,000274: 13,2603           00052                           OCT      00052                                 
050507,000275: 13,2604           35017                           CAF      PRIO5                                 
050508,000276: 13,2605           05105                           TC       FINDVAC                               
050509,000277: 13,2606  E3,1554                                  EBANK=   RRECTCSM                              
050510,000278: 13,2606           02611 26063                     2CADR    STATINT1                              
050511,000279: 
050512,000280: 13,2610           05261                           TC       TASKOVER                              
050513,000281: 13,2611           06042        STATINT1           TC       INTPRET                               
050514,000282: 13,2612           47014                           BON      RTB                                   
050515,000283: 13,2613           04712                                    QUITFLAG                              #  KILL INTEGRATION UNTIL NEXT POO.
050516,000284: 13,2614           26652                                    NOINT                                 
050517,000285: 13,2615           21574                                    LOADTIME                              
050518,000286: 13,2616           00041                           STORE    TDEC1                                 

Page 1203

050520,000288: 13,2617           77624                           CALL                                           
050521,000289: 13,2620           27410                                    INTSTALL                              
050522,000290: 13,2621           45014                           SET      CALL                                  
050523,000291: 13,2622           01076                                    NODOFLAG                              
050524,000292: 13,2623           26643                                    SETIFLGS                              
050525,000293: 13,2624           52014                           SET      GOTO                                  
050526,000294: 13,2625           01460                                    POOHFLAG                              
050527,000295: 13,2626           26026                                    STATEUP                               
050528,000296: 13,2627           00003 25140  600SECS            2DEC     60000      B-28                       
050529,000297: 
050530,000298: 13,2631           77414        ENDINT             CLEAR    EXIT                                  
050531,000299: 13,2632           01672                                    STATEFLG                              
050532,000300: 13,2633           05353                           TC       PHASCHNG                              
050533,000301: 13,2634           20032                           OCT      20032                                 
050534,000302: 13,2635           00006                           EXTEND                                         
050535,000303: 13,2636           32630                           DCA      600SECS                               
050536,000304: 13,2637           05277                           TC       LONGCALL                              
050537,000305: 13,2640  E3,1626                                  EBANK=   RRECTHIS                              
050538,000306: 13,2640           02602 26063                     2CADR    STATEINT                              
050539,000307: 
050540,000308: 13,2642           05155                           TC       ENDOFJOB                              
050541,000309: 13,2643           43014        SETIFLGS           SET      CLEAR                                 
050542,000310: 13,2644           01472                                    STATEFLG                              
050543,000311: 13,2645           01673                                    INTYPFLG                              
050544,000312: 13,2646           43014                           CLEAR    CLEAR                                 
050545,000313: 13,2647           01676                                    DIM0FLAG                              
050546,000314: 13,2650           01675                                    D6OR9FLG                              
050547,000315: 13,2651           77616                           RVQ                                            
050548,000316: 13,2652           77776        NOINT              EXIT                                           
050549,000317: 13,2653           05353                           TC       PHASCHNG                              
050550,000318: 13,2654           00002                           OCT      00002                                 
050551,000319: 
050552,000320: 13,2655           05516                           TC       DOWNFLAG                              
050553,000321: 13,2656           00221                           ADRES    QUITFLAG                              
050554,000322: 13,2657           05155                           TC       ENDOFJOB                              
050555,000323: 
050556,000324:                                                                                                  #  ATOPCSM TRANSFERS RRECT TO RRECT +41 TO RRECTCSM TO RRECTCSM +41
050557,000325: 
050558,000326:                                                                                                  #  CALLING SEQUENCE
050559,000327:                                                                                                  #        L       CALL
050560,000328:                                                                                                  #        L+1             ATOPCSM
050561,000329: 
050562,000330:                                                                                                  #  NORMAL EXIT AT L+2
050563,000331: 
050564,000332: 13,2660           47020        ATOPCSM            STQ      RTB                                   
050565,000333: 13,2661           00051                                    S2                                    
050566,000334: 13,2662           26673                                    MOVEACSM                              
050567,000335: 13,2663           45014                           SET      CALL                                  
050568,000336: 13,2664           04063                                    CMOONFLG                              
050569,000337: 13,2665           26114                                    SVDWN1                                

Page 1204

050571,000339: 13,2666           43014                           BON      CLRGO                                 
050572,000340: 13,2667           00303                                    MOONFLAG                              
050573,000341: 13,2670           00051                                    S2                                    
050574,000342: 13,2671           04223                                    CMOONFLG                              
050575,000343: 13,2672           00051                                    S2                                    
050576,000344: 13,2673           03035        MOVEACSM           TC       SETBANK                               
050577,000345: 13,2674           55500                           TS       DIFEQCNT                              #  INITIALIZE INDEX
050578,000346: 13,2675           51500                           INDEX    DIFEQCNT                              
050579,000347: 13,2676           31502                           CA       RRECT                                 
050580,000348: 13,2677           51500                           INDEX    DIFEQCNT                              
050581,000349: 13,2700           55554                           TS       RRECTCSM                              
050582,000350: 13,2701           11500                           CCS      DIFEQCNT                              #  IS TRANSFER COMPLETE
050583,000351: 13,2702           12674                           TCF      MOVEACSM   +1                         #  NO-LOOP
050584,000352: 13,2703           06064                           TC       DANZIG                                #  COMPLETE - RETURN
050585,000353: 
050586,000354:                                                                                                  #  PTOACSM TRANSFERS RRECTCSM TO RRECTCSM +41 TO RRECT TO RRECT +41
050587,000355: 
050588,000356:                                                                                                  #  CALLING SEQUENCE
050589,000357:                                                                                                  #        L       CALL
050590,000358:                                                                                                  #                        PTOACSM
050591,000359: 
050592,000360:                                                                                                  #  NORMAL EXIT AT L+2
050593,000361: 
050594,000362: 13,2704           43034        PTOACSM            RTB      BON                                   
050595,000363: 13,2705           26722                                    MOVEPCSM                              
050596,000364: 13,2706           04303                                    CMOONFLG                              
050597,000365: 13,2707           26715                                    SETMOON                               
050598,000366: 13,2710           66214        CLRMOON            CLEAR    SSP                                   
050599,000367: 13,2711           00263                                    MOONFLAG                              
050600,000368: 13,2712           02031                                    PBODY                                 
050601,000369: 13,2713           00000                                    0                                     
050602,000370: 13,2714           77616                           RVQ                                            
050603,000371: 13,2715           66214        SETMOON            SET      SSP                                   
050604,000372: 13,2716           00063                                    MOONFLAG                              
050605,000373: 13,2717           02031                                    PBODY                                 
050606,000374: 13,2720           00002                                    2                                     
050607,000375: 13,2721           77616                           RVQ                                            
050608,000376: 13,2722           03035        MOVEPCSM           TC       SETBANK                               
050609,000377: 13,2723           55500                           TS       DIFEQCNT                              
050610,000378: 13,2724           51500                           INDEX    DIFEQCNT                              
050611,000379: 13,2725           31554                           CA       RRECTCSM                              
050612,000380: 13,2726           51500                           INDEX    DIFEQCNT                              
050613,000381: 13,2727           55502                           TS       RRECT                                 
050614,000382: 13,2730           11500                           CCS      DIFEQCNT                              
050615,000383: 13,2731           12723                           TCF      MOVEPCSM   +1                         
050616,000384: 13,2732           06064                           TC       DANZIG                                
050617,000385: 
050618,000386:                                                                                                  #  ATOPLEM TRANSFERS RRECT TO RRECT +41 TO RRECTLEM TO RRECTLEM +41

Page 1205

050620,000388: 13,2733           47020        ATOPLEM            STQ      RTB                                   
050621,000389: 13,2734           00051                                    S2                                    
050622,000390: 13,2735           26746                                    MOVEALEM                              
050623,000391: 13,2736           45014                           SET      CALL                                  
050624,000392: 13,2737           04064                                    LMOONFLG                              
050625,000393: 13,2740           26070                                    SVDWN2                                
050626,000394: 13,2741           43014                           BON      CLRGO                                 
050627,000395: 13,2742           00303                                    MOONFLAG                              
050628,000396: 13,2743           00051                                    S2                                    
050629,000397: 13,2744           04224                                    LMOONFLG                              
050630,000398: 13,2745           00051                                    S2                                    
050631,000399: 13,2746           03035        MOVEALEM           TC       SETBANK                               
050632,000400: 13,2747           55500                           TS       DIFEQCNT                              
050633,000401: 13,2750           51500                           INDEX    DIFEQCNT                              
050634,000402: 13,2751           31502                           CA       RRECT                                 
050635,000403: 13,2752           51500                           INDEX    DIFEQCNT                              
050636,000404: 13,2753           55626                           TS       RRECTLEM                              
050637,000405: 13,2754           11500                           CCS      DIFEQCNT                              
050638,000406: 13,2755           12747                           TCF      MOVEALEM   +1                         
050639,000407: 13,2756           06064                           TC       DANZIG                                
050640,000408: 
050641,000409:                                                                                                  #  PTOALEM TRANSFERS RRECTLEM TO RRECTLEM +41 TO RRECT TO RRECT +41
050642,000410: 
050643,000411: 13,2757           47014        PTOALEM            BON      RTB                                   
050644,000412: 13,2760           04307                                    SURFFLAG                              
050645,000413: 13,2761           27000                                    USEPIOS                               
050646,000414: 13,2762           26767                                    MOVEPLEM                              
050647,000415: 13,2763           52014                           BON      GOTO                                  
050648,000416: 13,2764           04304                                    LMOONFLG                              
050649,000417: 13,2765           26715                                    SETMOON                               
050650,000418: 13,2766           26710                                    CLRMOON                               
050651,000419: 13,2767           03035        MOVEPLEM           TC       SETBANK                               
050652,000420: 13,2770           55500                           TS       DIFEQCNT                              
050653,000421: 13,2771           51500                           INDEX    DIFEQCNT                              
050654,000422: 13,2772           31626                           CA       RRECTLEM                              
050655,000423: 13,2773           51500                           INDEX    DIFEQCNT                              
050656,000424: 13,2774           55502                           TS       RRECT                                 
050657,000425: 13,2775           11500                           CCS      DIFEQCNT                              
050658,000426: 13,2776           12770                           TCF      MOVEPLEM   +1                         
050659,000427: 13,2777           06064                           TC       DANZIG                                
050660,000428: 
050661,000429: 13,3000           77201        USEPIOS            SETPD    VLOAD                                 
050662,000430: 13,3001           00001                                    0                                     
050663,000431: 13,3002           02023                                    RLS                                   
050664,000432: 13,3003           41525                           PDDL     PUSH                                  
050665,000433: 13,3004           00041                                    TDEC1                                 
050666,000434: 13,3005           15517                           STODL    TET                                   
050667,000435: 13,3006           27733                                    5/8                                   

Page 1206

050669,000437: 13,3007           77624                           CALL                                           
050670,000438: 13,3010           55716                                    RP-TO-R                               
050671,000439: 13,3011           25535                           STOVL    RCV                                   
050672,000440: 13,3012           24001                                    ZUNIT                                 
050673,000441: 13,3013           14001                           STODL    0D                                    
050674,000442: 13,3014           01517                                    TET                                   
050675,000443: 13,3015           14007                           STODL    6D                                    
050676,000444: 13,3016           27733                                    5/8                                   
050677,000445: 13,3017           45014                           SET      CALL                                  #  NEEDED FOR SETTING X1 ON EXIT
050678,000446: 13,3020           00063                                    MOONFLAG                              
050679,000447: 13,3021           55716                                    RP-TO-R                               
050680,000448: 13,3022           74235                           VXV      VXSC                                  
050681,000449: 13,3023           01535                                    RCV                                   
050682,000450: 13,3024           26001                                    OMEGMOON                              
050683,000451: 13,3025           25543                           STOVL    VCV                                   
050684,000452: 13,3026           24007                                    ZEROVEC                               
050685,000453: 13,3027           01521                           STORE    TDELTAV                               
050686,000454: 13,3030           67174                           AXT,2    SXA,2                                 
050687,000455: 13,3031           00002                                    2                                     
050688,000456: 13,3032           02030                                    PBODY                                 
050689,000457: 13,3033           35527                           STCALL   TNUV                                  
050690,000458: 13,3034           27156                                    A-PCHK                                
050691,000459: 13,3035           33041        SETBANK            CAF      INTBANK                               
050692,000460: 13,3036           54006                           TS       BBANK                                 
050693,000461: 13,3037           33446                           CAF      FORTYONE                              
050694,000462: 13,3040           00002                           TC       Q                                     
050695,000463: 13,3041  E3,1554                                  EBANK=   RRECTCSM                              
050696,000464: 13,3041           26063        INTBANK            BBCON    INTEGRV                               
050697,000465: 
050698,000466:                                                                                                  #  SPECIAL PURPOSE ENTRIES TO ORBITAL INTEGRATION.  THESE ROUTINES PROVIDE ENTRANCES TO INTEGRATION WITH
050699,000467:                                                                                                  #  APPROPRIATE SWITCHES SET OR CLEARED FOR THE DESIRED INTEGRATION.
050700,000468: 
050701,000469:                                                                                                  #  CSMPREC AND LEMPREC PERFORM ORBIT INTEGRATION BY THE ENCKE METHOD TO THE TIME INDICATED IN TDEC1
050702,000470:                                                                                                  #  ACCELERATIONS DUE TO OBLATENESS ARE INCLUDED.  NO W-MATRIX INT. IS DONE.
050703,000471:                                                                                                  #  THE PERMANENT STATE VECTOR IS NOT UPDATED.
050704,000472: 
050705,000473:                                                                                                  #  CSMCONIC AND LEMCONIC PERFORM ORBIT INTEG. BY KEPLERS METHOD TO THE TIME INDICATED IN TDEC1
050706,000474:                                                                                                  #  NO DISTURBING ACCELERATIONS ARE INCLUDED.  IN THE PROGRAM FLOW THE GIVEN
050707,000475:                                                                                                  #  STATE VECTOR IS RECTIFIED BEFORE SOLUTION OF KEPLERS EQUATION
050708,000476: 
050709,000477:                                                                                                  #  THE ROUTINES ASSUME THAT THE CSM (LEM) STATE VECTOR IN P-MEM IS VALID.
050710,000478:                                                                                                  #  SWITCHES SET PRIOR TO ENTRY TO THE MAIN INTEG. PROG ARE AS FOLLOWS
050711,000479:                                                                                                  #                        CSMPREC         CSMCONIC        LEMPREC         LEMCONIC
050712,000480:                                                                                                  #        VINTFLAG        SET             SET             CLEAR           CLEAR
050713,000481:                                                                                                  #        INTYPFLG        CLEAR           SET             CLEAR           SET
050714,000482:                                                                                                  #        DIM0FLAG        CLEAR           CLEAR           CLEAR           CLEAR
050715,000483: 
050716,000484:                                                                                                  #  CALLING SEQUENCE
050717,000485:                                                                                                  #        L-X     STORE   TDEC1

Page 1207

050719,000487:                                                                                                  #        L       CALL                    (STCALL TDEC1)
050720,000488:                                                                                                  #        L+1             CSMPREC         (CSMCONIC, LEMPREC, LEMCONIC)
050721,000489: 
050722,000490:                                                                                                  #  NORMAL EXIT TO L+2
050723,000491: 
050724,000492:                                                                                                  #  SUBROUTINES CALLED
050725,000493:                                                                                                  #        INTEGRV1
050726,000494:                                                                                                  #        PRECOUT FOR CSMPREC AND LEMPREC
050727,000495:                                                                                                  #        CONICOUT FOR CSMCONIC AND LEMCONIC
050728,000496: 
050729,000497:                                                                                                  #  OUTPUT - SEE PAGE 2 OF THIS LOG SECTION
050730,000498: 
050731,000499:                                                                                                  #  INPUT
050732,000500:                                                                                                  #        TDEC1           TIME TO INTEGRATE TO.  CSECS B-28
050733,000501: 
050734,000502: 13,3042           45020        CSMPREC            STQ      CALL                                  
050735,000503: 13,3043           00046                                    X1                                    
050736,000504: 13,3044           27410                                    INTSTALL                              
050737,000505: 13,3045           43130                           SXA,1    SET                                   
050738,000506: 13,3046           02102                                    IRETURN                               
050739,000507: 13,3047           01474                                    VINTFLAG                              
050740,000508: 
050741,000509: 13,3050           43014        IFLAGP             SET      CLEAR                                 
050742,000510: 13,3051           01467                                    PRECIFLG                              
050743,000511: 13,3052           01676                                    DIM0FLAG                              
050744,000512: 13,3053           77614                           CLRGO                                          
050745,000513: 13,3054           01633                                    INTYPFLG                              
050746,000514: 13,3055           27135                                    INTEGRV1                              
050747,000515: 13,3056           45020        LEMPREC            STQ      CALL                                  
050748,000516: 13,3057           00046                                    X1                                    
050749,000517: 13,3060           27410                                    INTSTALL                              
050750,000518: 13,3061           43130                           SXA,1    CLRGO                                 
050751,000519: 13,3062           02102                                    IRETURN                               
050752,000520: 13,3063           01634                                    VINTFLAG                              
050753,000521: 13,3064           27050                                    IFLAGP                                
050754,000522: 
050755,000523: 13,3065           45020        CSMCONIC           STQ      CALL                                  
050756,000524: 13,3066           00046                                    X1                                    
050757,000525: 13,3067           27410                                    INTSTALL                              
050758,000526: 13,3070           43130                           SXA,1    SET                                   
050759,000527: 13,3071           02102                                    IRETURN                               
050760,000528: 13,3072           01474                                    VINTFLAG                              
050761,000529: 13,3073           43014        IFLAGC             CLEAR    SETGO                                 
050762,000530: 13,3074           01676                                    DIM0FLAG                              
050763,000531: 13,3075           01433                                    INTYPFLG                              
050764,000532: 13,3076           27135                                    INTEGRV1                              
050765,000533: 13,3077           45020        LEMCONIC           STQ      CALL                                  
050766,000534: 13,3100           00046                                    X1                                    
050767,000535: 13,3101           27410                                    INTSTALL                              
050768,000536: 13,3102           43130                           SXA,1    CLRGO                                 

Page 1208

050770,000538: 13,3103           02102                                    IRETURN                               
050771,000539: 13,3104           01634                                    VINTFLAG                              
050772,000540: 13,3105           27073                                    IFLAGC                                
050773,000541: 
050774,000542: 13,3106           66214        INTEGRVS           SET      SSP                                   
050775,000543: 13,3107           01467                                    PRECIFLG                              
050776,000544: 13,3110           02031                                    PBODY                                 
050777,000545: 13,3111           00000                                    0                                     
050778,000546: 13,3112           66214                           BOF      SSP                                   
050779,000547: 13,3113           00343                                    MOONFLAG                              
050780,000548: 13,3114           27117                                    +3                                    
050781,000549: 13,3115           02031                                    PBODY                                 
050782,000550: 13,3116           00002                                    2                                     
050783,000551: 13,3117           77220                           STQ      VLOAD                                 
050784,000552: 13,3120           02102                                    IRETURN                               
050785,000553: 13,3121           24007                                    ZEROVEC                               
050786,000554: 13,3122           01521                           STORE    TDELTAV                               
050787,000555: 13,3123           35527                           STCALL   TNUV                                  
050788,000556: 13,3124           27671                                    RECTIFY                               
050789,000557: 13,3125           43014                           CLEAR    SET                                   
050790,000558: 13,3126           01676                                    DIM0FLAG                              
050791,000559: 13,3127           04062                                    NEWIFLG                               
050792,000560: 13,3130           77614                           SETGO                                          
050793,000561: 13,3131           04020                                    RPQFLAG                               
050794,000562: 13,3132           27147                                    ALOADED                               
050795,000563: 
050796,000564:                                                                                                  #  INTEGRV IS AN ENTRY TO ORBIT INTEGRATION WHICH PERMITS THE CALLER,
050797,000565:                                                                                                  #  NORMALLY THE NAVIGATION PROGRAM, TO SET THE INTEG. FLAGS.  THE ROUTINE
050798,000566:                                                                                                  #  IS ENTERED AT INTEGRV1 BY CSMPREC ET. AL. AND AT ALOADED BY INTEGRVS.
050799,000567:                                                                                                  #  THE ROUTINE SETS UP A-MEMORY IF ENTERED AT INTEGRV,1 AND SETS THE INTEG.
050800,000568:                                                                                                  #  PROGRAM FOR PRECISION OR CONIC
050801,000569: 
050802,000570:                                                                                                  #  THE CALLER MUST FIRST CALL INTSTALL TO CHECK IF INTEG. IS IN USE BEFORE
050803,000571:                                                                                                  #  SETTING ANY FLAGS.
050804,000572: 
050805,000573:                                                                                                  #  THE FLAGS WHICH SHOULD BE SET OR CLEARED ARE
050806,000574:                                                                                                  #        VINTFLAG        (IGNORED WHEN ENTERED FROM INTEGRVS)
050807,000575:                                                                                                  #        INTYPFLG
050808,000576:                                                                                                  #        DIM0FLAG
050809,000577:                                                                                                  #        D6OR9FLG
050810,000578: 
050811,000579:                                                                                                  #  CALLING SEQUENCE
050812,000580:                                                                                                  #        L-X     CALL
050813,000581:                                                                                                  #        L-Y             INTSTALL
050814,000582:                                                                                                  #        L-1     SET OR CLEAR ALL FOUR FLAGS.  ALSO CAN SET STATEFLG IF DESIRED
050815,000583:                                                                                                  #                AND DIM0FLAG IS CLEAR.
050816,000584:                                                                                                  #        L       CALL
050817,000585:                                                                                                  #        L+1             INTEGRV
050818,000586: 
050819,000587:                                                                                                  #  INITIALIZATION
050820,000588:                                                                                                  #        FLAGS AS ABOVE
050821,000589:                                                                                                  #        STORE TIME TO INTEGRATE TO IN TDEC1
050822,000590: 
050823,000591:                                                                                                  #  OUTPUT
050824,000592:                                                                                                  #        RATT    AS

Page 1209

050826,000594:                                                                                                  #        VATT          DEFINED
050827,000595:                                                                                                  #        TAT                     BEFORE
050828,000596: 
050829,000597: 13,3133           77620        INTEGRV            STQ                                            
050830,000598: 13,3134           02102                                    IRETURN                               
050831,000599: 13,3135           43014        INTEGRV1           SET      SET                                   
050832,000600: 13,3136           04060                                    RPQFLAG                               
050833,000601: 13,3137           04062                                    NEWIFLG                               
050834,000602: 13,3140           77731        INTEGRV2           SSP                                            
050835,000603: 13,3141           00053                                    QPRET                                 
050836,000604: 13,3142           27147                                    ALOADED                               
050837,000605: 13,3143           52014                           BON      GOTO                                  
050838,000606: 13,3144           01714                                    VINTFLAG                              
050839,000607: 13,3145           26704                                    PTOACSM                               
050840,000608: 13,3146           26757                                    PTOALEM                               
050841,000609: 13,3147           77745        ALOADED            DLOAD                                          
050842,000610: 13,3150           00041                                    TDEC1                                 
050843,000611: 13,3151           01115                           STORE    TDEC                                  
050844,000612: 13,3152           52014                           BOFF     GOTO                                  
050845,000613: 13,3153           01753                                    INTYPFLG                              
050846,000614: 13,3154           27256                                    TESTLOOP                              
050847,000615: 13,3155           27242                                    RVCON                                 
050848,000616: 13,3156           77414        A-PCHK             BOF      EXIT                                  
050849,000617: 13,3157           01752                                    STATEFLG                              
050850,000618: 13,3160           27177                                    RECTOUT                               
050851,000619: 13,3161           05353                           TC       PHASCHNG                              
050852,000620: 13,3162           04022                           OCT      04022                                 
050853,000621: 13,3163           05504                           TC       UPFLAG                                #  PHASE CHANGE HAS OCCURRED BETWEEN
050854,000622: 13,3164           00236                           ADRES    REINTFLG                              #  INTSTALL AND INTWAKE
050855,000623: 13,3165           06042                           TC       INTPRET                               
050856,000624: 13,3166           77731                           SSP                                            
050857,000625: 13,3167           00053                                    QPRET                                 
050858,000626: 13,3170           27175                                    PHEXIT                                
050859,000627: 13,3171           52014                           BON      GOTO                                  
050860,000628: 13,3172           01714                                    VINTFLAG                              
050861,000629: 13,3173           26660                                    ATOPCSM                               
050862,000630: 13,3174           26733                                    ATOPLEM                               
050863,000631: 13,3175           77624        PHEXIT             CALL                                           
050864,000632: 13,3176           11210                                    GRP2PC                                
050865,000633: 13,3177           45001        RECTOUT            SETPD    CALL                                  
050866,000634: 13,3200           00001                                    0                                     
050867,000635: 13,3201           27671                                    RECTIFY                               
050868,000636: 13,3202           53775                           VLOAD    VSL*                                  
050869,000637: 13,3203           01503                                    RRECT                                 
050870,000638: 13,3204           57576                                    0,2                                   
050871,000639: 13,3205           53715                           PDVL     VSL*                                  #  RATT TO PD0
050872,000640: 13,3206           01511                                    VRECT                                 
050873,000641: 13,3207           57576                                    0,2                                   
050874,000642: 13,3210           63325                           PDDL     PDVL                                  #  VATT TO PD6   TAT TO PD12

Page 1210

050876,000644: 13,3211           01517                                    TET                                   
050877,000645: 13,3212           01503                                    RRECT                                 
050878,000646: 13,3213           64715                           PDVL     PDDL*                                 
050879,000647: 13,3214           01511                                    VRECT                                 
050880,000648: 13,3215           51770                                    MUEARTH,2                             
050881,000649: 13,3216           76006                           PUSH     AXT,1                                 
050882,000650: 13,3217           77765                           DEC      -10        B-14                       
050883,000651: 13,3220           76014                           BON      AXT,1                                 
050884,000652: 13,3221           00303                                    MOONFLAG                              
050885,000653: 13,3222           27224                                    +2                                    
050886,000654: 13,3223           77775                           DEC      -2         B-14                       
050887,000655: 13,3224           40001        INTEXIT            SETPD    BOV                                   
050888,000656: 13,3225           00001                                    0                                     
050889,000657: 13,3226           27227                                    +1                                    
050890,000658: 13,3227           43014                           CLEAR    CLEAR                                 
050891,000659: 13,3230           04676                                    AVEMIDSW                              #  ALLOW UPDATE OF DOWNLINK STATE VECTOR
050892,000660: 13,3231           01667                                    PRECIFLG                              
050893,000661: 13,3232           77614                           CLEAR                                          
050894,000662: 13,3233           01672                                    STATEFLG                              
050895,000663: 13,3234           77535                           SLOAD    EXIT                                  
050896,000664: 13,3235           02103                                    IRETURN                               
050897,000665: 13,3236           30154                           CA       MPAC                                  
050898,000666: 13,3237           50120                           INDEX    FIXLOC                                
050899,000667: 13,3240           54052                           TS       QPRET                                 
050900,000668: 13,3241           03421                           TC       INTWAKE                               
050901,000669: 
050902,000670:                                                                                                  #  RVCON SETS UP ORBIT INTEGRATION TO DO A CONIC SOLUTION FOR POSITION AND
050903,000671:                                                                                                  #  VELOCITY FOR THE INTERVAL (TET-TDEC)
050904,000672: 
050905,000673: 13,3242           45345        RVCON              DLOAD    DSU                                   
050906,000674: 13,3243           01115                                    TDEC                                  
050907,000675: 13,3244           01517                                    TET                                   
050908,000676: 13,3245           36074                           STCALL   TAU.                                  
050909,000677: 13,3246           27671                                    RECTIFY                               
050910,000678: 13,3247           77624                           CALL                                           
050911,000679: 13,3250           22404                                    KEPPREP                               
050912,000680: 13,3251           43345                           DLOAD    DAD                                   
050913,000681: 13,3252           01551                                    TC                                    
050914,000682: 13,3253           01517                                    TET                                   
050915,000683: 13,3254           35517                           STCALL   TET                                   
050916,000684: 13,3255           27177                                    RECTOUT                               
050917,000685: 

Page 1211

050919,000687:                                                                                                  #  TESTLOOP
050920,000688: 
050921,000689: 13,3256           43014        TESTLOOP           BOF      CLRGO                                 
050922,000690: 13,3257           04752                                    QUITFLAG                              
050923,000691: 13,3260           27263                                    +3                                    
050924,000692: 13,3261           01632                                    STATEFLG                              
050925,000693: 13,3262           27224                                    INTEXIT                               #  STOP INTEGRATION
050926,000694: 13,3263           73001                 +3        SETPD    LXA,2                                 
050927,000695: 13,3264           00013                                    10D                                   
050928,000696: 13,3265           02030                                    PBODY                                 
050929,000697: 13,3266           51575                           VLOAD    ABVAL                                 
050930,000698: 13,3267           01535                                    RCV                                   
050931,000699: 13,3270           43006                           PUSH     CLEAR                                 #  RC TO 10D
050932,000700: 13,3271           00262                                    MIDFLAG                               
050933,000701: 13,3272           50023                           DSU*     BMN                                   #  MIDFLAG=0 IF R G.T. RMP
050934,000702: 13,3273           53755                                    RME,2                                 
050935,000703: 13,3274           27277                                    +3                                    
050936,000704: 13,3275           77614                           SET                                            
050937,000705: 13,3276           00062                                    MIDFLAG                               
050938,000706: 13,3277           41345        NORFINAL           DLOAD    DMP                                   
050939,000707: 13,3300           00013                                    10D                                   
050940,000708: 13,3301           00043                                    34D                                   
050941,000709: 13,3302           55762                           SR1R     DDV*                                  
050942,000710: 13,3303           51770                                    MUEARTH,2                             
050943,000711: 13,3304           41366                           SQRT     DMP                                   
050944,000712: 13,3305           25762                                    .3D                                   
050945,000713: 13,3306           40442                           SR3      SR4                                   #  DT IS TRUNCATED TO A MULTIPLE
050946,000714: 13,3307           54345                           DLOAD    SL                                    
050947,000715: 13,3310           00155                                    MPAC                                  
050948,000716: 13,3311           20220                                    15D                                   #        OF 128 CSECS.
050949,000717: 13,3312           40006                           PUSH     BOV                                   
050950,000718: 13,3313           27340                                    MAXDT                                 
050951,000719: 13,3314           50021                           BDSU     BMN                                   
050952,000720: 13,3315           27407                                    DT/2MAX                               
050953,000721: 13,3316           27340                                    MAXDT                                 
050954,000722: 13,3317           45345        DT/2COMP           DLOAD    DSU                                   
050955,000723: 13,3320           01115                                    TDEC                                  
050956,000724: 13,3321           01517                                    TET                                   
050957,000725: 13,3322           54234                           RTB      SL                                    
050958,000726: 13,3323           21613                                    SGNAGREE                              
050959,000727: 13,3324           20211                                    8D                                    
050960,000728: 13,3325           02076                           STORE    DT/2                                  #  B-19
050961,000729: 13,3326           51400                           BOV      ABS                                   
050962,000730: 13,3327           27344                                    GETMAXDT                              
050963,000731: 13,3330           50025                           DSU      BMN                                   #  IS TIME TO INTEG. TO GR THAN MAXTIME
050964,000732: 13,3331           00015                                    12D                                   
050965,000733: 13,3332           27350                                    P00HCHK                               
050966,000734: 13,3333           75345        USEMAXDT           DLOAD    SIGN                                  
050967,000735: 13,3334           00015                                    12D                                   
050968,000736: 13,3335           02076                                    DT/2                                  

Page 1212

050970,000738: 13,3336           36076                           STCALL   DT/2                                  
050971,000739: 13,3337           27350                                    P00HCHK                               
050972,000740: 13,3340           65345        MAXDT              DLOAD    PDDL                                  #  EXCHANGE DT/2MAX WITH COMPUTED MAX.
050973,000741: 13,3341           27407                                    DT/2MAX                               
050974,000742: 13,3342           77650                           GOTO                                           
050975,000743: 13,3343           27317                                    DT/2COMP                              
050976,000744: 13,3344           77634        GETMAXDT           RTB                                            
050977,000745: 13,3345           21713                                    SIGNMPAC                              
050978,000746: 13,3346           36076                           STCALL   DT/2                                  
050979,000747: 13,3347           27333                                    USEMAXDT                              
050980,000748: 13,3350           51545        P00HCHK            DLOAD    ABS                                   
050981,000749: 13,3351           02076                                    DT/2                                  
050982,000750: 13,3352           50025                           DSU      BMN                                   
050983,000751: 13,3353           27405                                    DT/2MIN                               
050984,000752: 13,3354           27156                                    A-PCHK                                
050985,000753: 13,3355           43014                           BOFF     BON                                   #  NO BACKWARDS INTEGRATION
050986,000754: 13,3356           01740                                    POOHFLAG                              #  WHEN IN POO
050987,000755: 13,3357           23311                                    TIMESTEP                              
050988,000756: 13,3360           01707                                    PRECIFLG                              
050989,000757: 13,3361           23311                                    TIMESTEP                              
050990,000758: 13,3362           45345                           DLOAD    DSU                                   
050991,000759: 13,3363           02076                                    DT/2                                  
050992,000760: 13,3364           00015                                    12D                                   
050993,000761: 13,3365           43040                           BMN      BOFCLR                                
050994,000762: 13,3366           27156                                    A-PCHK                                
050995,000763: 13,3367           04242                                    NEWIFLG                               
050996,000764: 13,3370           23311                                    TIMESTEP                              
050997,000765: 13,3371           45345                           DLOAD    DSU                                   
050998,000766: 13,3372           01115                                    TDEC                                  
050999,000767: 13,3373           01517                                    TET                                   
051000,000768: 13,3374           77640                           BMN                                            #  NO BACKWARD INTEGRATION
051001,000769: 13,3375           27224                                    INTEXIT                               
051002,000770: 13,3376           40525                           PDDL     SR4                                   
051003,000771: 13,3377           02076                                    DT/2                                  #  IS 4(DT) LS (TDEC - TET)
051004,000772: 13,3400           44322                           SR2R     BDSU                                  #  NO
051005,000773: 13,3401           52040                           BMN      GOTO                                  
051006,000774: 13,3402           27224                                    INTEXIT                               
051007,000775: 13,3403           23311                                    TIMESTEP                              
051008,000776: 13,3404           00000 01400  DT/2MIN            2DEC     3          B-20                       
051009,000777: 13,3406           14152 00000  DT/2MAX            2DEC     4000       E2         B-20            
051010,000778: 
051011,000779: 13,3410           77776        INTSTALL           EXIT                                           
051012,000780: 13,3411           30106                           CA       RASFLAG                               
051013,000781: 13,3412           73462                           MASK     INTBITAB                              #  IS THIS STALL AREA FREE
051014,000782: 13,3413           00006                           EXTEND                                         
051015,000783: 13,3414           13454                           BZF      OKTOGRAB                              #  YES
051016,000784: 13,3415           33461                           CAF      WAKESTAL                              
051017,000785: 13,3416           05133                           TC       JOBSLEEP                              
051018,000786: 13,3417           77776        INTWAKE0           EXIT                                           

Page 1213

051020,000788: 13,3420           13441                           TCF      INTWAKE1                              
051021,000789: 
051022,000790: 13,3421           40106        INTWAKE            CS       RASFLAG                               #  IS THIS INTSTALLED ROUTINE TO BE
051023,000791: 13,3422           74745                           MASK     REINTBIT                              #        RESTARTED
051024,000792: 13,3423           10000                           CCS      A                                     
051025,000793: 13,3424           03441                           TC       INTWAKE1                              #  NO
051026,000794: 
051027,000795: 13,3425           50120                           INDEX    FIXLOC                                
051028,000796: 13,3426           30052                           CA       QPRET                                 
051029,000797: 13,3427           55054                           TS       TBASE2                                #  YES, DONT RESTART WITH SOMEONE ELSES Q
051030,000798: 
051031,000799: 13,3430           05353                           TC       PHASCHNG                              
051032,000800: 13,3431           04022                           OCT      04022                                 
051033,000801: 
051034,000802: 13,3432           31054                           CA       TBASE2                                
051035,000803: 13,3433           50120                           INDEX    FIXLOC                                
051036,000804: 13,3434           54052                           TS       QPRET                                 
051037,000805: 
051038,000806: 13,3435           34745                           CAF      REINTBIT                              
051039,000807: 13,3436           70106                           MASK     RASFLAG                               
051040,000808: 13,3437           00006                           EXTEND                                         
051041,000809: 13,3440           13457                           BZF      GOBAC                                 #  DONT INTWAKE IF WE CAME HERE VIA RESTART
051042,000810: 
051043,000811: 13,3441           33461        INTWAKE1           CAF      WAKESTAL                              
051044,000812: 13,3442           00004                           INHINT                                         
051045,000813: 13,3443           05137                           TC       JOBWAKE                               
051046,000814: 13,3444           10064                           CCS      LOCCTR                                
051047,000815: 13,3445           13441                           TCF      INTWAKE1                              
051048,000816: 13,3446           00051        FORTYONE           DEC      41         B-14                       
051049,000817: 13,3447           43462                           CS       INTBITAB                              
051050,000818: 13,3450           70106                           MASK     RASFLAG                               
051051,000819: 13,3451           54106                           TS       RASFLAG                               #  RELEASE STALL AREA
051052,000820: 13,3452           00003                           RELINT                                         
051053,000821: 13,3453           13457                           TCF      GOBAC                                 
051054,000822: 13,3454           34736        OKTOGRAB           CAF      INTFLBIT                              
051055,000823: 13,3455           00004                           INHINT                                         
051056,000824: 13,3456           26106                           ADS      RASFLAG                               
051057,000825: 13,3457           06042        GOBAC              TC       INTPRET                               
051058,000826: 13,3460           77616                           RVQ                                            
051059,000827: 13,3461           27411        WAKESTAL           CADR     INTSTALL   +1                         
051060,000828: 13,3462           20100        INTBITAB           OCT      20100                                 
051061,000829: 

Page 1214

051063,000831:                                                                                                  #  AVETOMID
051064,000832: 
051065,000833:                                                                                                  #  THIS ROUTINE PERFORMS THE TRANSITION FROM A THRUSTING PHASE TO THE COAST
051066,000834:                                                                                                  #  PHASE BY INITIALIZING THIS VEHICLES PERMANENT STATE VECTOR WITH THE
051067,000835:                                                                                                  #  VALUES LEFT BY THE AVERAGEG ROUTINE IN RN,VN,PIPTIME.
051068,000836: 
051069,000837:                                                                                                  #  BEFORE THIS IS DONE THE W-MATRIX, IF ITS VALID (OR WFLAG OR RENDWFLG IS
051070,000838:                                                                                                  #  SET) IS INTEGRATED FORWARD TO PIPTIME WITH THE PRE-THRUST STATE VECTOR.
051071,000839: 
051072,000840:                                                                                                  #  IN ADDITION, THE OTHER VEHICLE IS INTEGRATED (PERMANENT) TO PIPTIME.
051073,000841: 
051074,000842:                                                                                                  #  FINALLY TRKMKCNT IS ZEROED
051075,000843: 
051076,000844: 13,2000                                           SETLOC   INTINIT                               
051077,000845: 13,2000                                           BANK                                           
051078,000846: 
051079,000847: 13,3463                                           COUNT*   $$/INTIN                              
051080,000848: 13,3463           43020        AVETOMID           STQ      BON                                   
051081,000849: 13,3464           02772                                    EGRESS                                
051082,000850: 13,3465           02716                                    RENDWFLG                              
051083,000851: 13,3466           27532                                    INT/W                                 #  W-MATRIX VALID, GO INTEGRATE IT
051084,000852: 13,3467           77614                           BON                                            
051085,000853: 13,3470           01711                                    ORBWFLAG                              
051086,000854: 13,3471           27532                                    INT/W                                 #  W-MATRIX VALID, GO INTEGRATE IT
051087,000855: 
051088,000856: 13,3472           45145        OTHERS             DLOAD    CALL                                  #  GET SET FOR OTHER VEHICLE INTEGRATION
051089,000857: 13,3473           01234                                    PIPTIME                               #  DESIRED TIME
051090,000858: 13,3474           27410                                    INTSTALL                              
051091,000859: 13,3475           45014                           SET      CALL                                  
051092,000860: 13,3476           01474                                    VINTFLAG                              #  CM
051093,000861: 13,3477           26643                                    SETIFLGS                              #  SETS UP NONE W-MAT. PERMANENT INTEG.
051094,000862: 13,3500           34041                           STCALL   TDEC1                                 
051095,000863: 13,3501           27133                                    INTEGRV                               
051096,000864: 
051097,000865: 13,3502           45174                           AXT,2    CALL                                  #  NOW MOVE PROPERLY SCALE RN,UN AS WELL AS
051098,000866: 13,3503           00002                                    2                                     #  PIPTIME TO INTEGRATION ERASABLES.
051099,000867: 13,3504           27410                                    INTSTALL                              
051100,000868: 13,3505           77014                           BON      AXT,2                                 
051101,000869: 13,3506           04304                                    MOONTHIS                              
051102,000870: 13,3507           27511                                    +2                                    
051103,000871: 13,3510           00000                                    0                                     
051104,000872: 13,3511           53775                           VLOAD    VSR*                                  
051105,000873: 13,3512           01220                                    RN                                    
051106,000874: 13,3513           57176                                    0,2                                   
051107,000875: 13,3514           01503                           STORE    RRECT                                 
051108,000876: 13,3515           15535                           STODL    RCV                                   
051109,000877: 13,3516           01234                                    PIPTIME                               
051110,000878: 13,3517           25517                           STOVL    TET                                   
051111,000879: 13,3520           01226                                    VN                                    

Page 1215

051113,000881: 13,3521           45057                           VSR*     CALL                                  
051114,000882: 13,3522           57176                                    0,2                                   
051115,000883: 13,3523           27705                                    MINIRECT                              #  FINISH SETTING UP STATE VECTOR
051116,000884: 13,3524           66234                           RTB      SSP                                   
051117,000885: 13,3525           26746                                    MOVATHIS                              #  PUT TEMP STATE VECTOR INTO PERMANENT
051118,000886: 13,3526           03463                                    TRKMKCNT                              
051119,000887: 13,3527           00000                                    0                                     
051120,000888: 13,3530           77650                           GOTO                                           
051121,000889: 13,3531           47230                                    FAZAB5                                
051122,000890: 
051123,000891: 13,3532           45145        INT/W              DLOAD    CALL                                  
051124,000892: 13,3533           01234                                    PIPTIME                               #  INTEGRATE W THRU BURN
051125,000893: 13,3534           27410                                    INTSTALL                              
051126,000894: 13,3535           43014                           SET      SET                                   
051127,000895: 13,3536           01476                                    DIM0FLAG                              #  DO W-MATRIX
051128,000896: 13,3537           04476                                    AVEMIDSW                              #  SO WONT CLOBBER RN,VN,PIPTIME
051129,000897: 13,3540           43014                           SET      CLEAR                                 
051130,000898: 13,3541           01475                                    D6OR9FLG                              #  9X9 FOR LM
051131,000899: 13,3542           01674                                    VINTFLAG                              #  LM
051132,000900: 13,3543           34041                           STCALL   TDEC1                                 
051133,000901: 13,3544           27133                                    INTEGRV                               
051134,000902: 13,3545           77650                           GOTO                                           
051135,000903: 13,3546           27472                                    OTHERS                                #  NOW GO DO THE OTHER VEHICLE
051136,000904: 

Page 1216

051138,000906:                                                                                                  #  MIDTOAV1
051139,000907: 
051140,000908:                                                                                                  #  THIS ROUTINE INTEGRATES (PRECISION) TO THE TIME SPECIFIED IN TDEC1.
051141,000909:                                                                                                  #  IF, AT THE END OF AN INTEGRATION TIME STEP, CURRENT TIME PLUS A DELTA
051142,000910:                                                                                                  #  TIME (SEE TIMEDELT.....BASED ON THE COMPUTATUON TIME FOR ONE TIME STEP)
051143,000911:                                                                                                  #  IS GREATER THAN THE DESIRED TIME, ALARM 1703 IS SET AND THE INTEGRATION
051144,000912:                                                                                                  #  IS DONE TO THE CURRENT TIME.
051145,000913:                                                                                                  #  RETURN IS IN BASIC TO THE RETURN ADDRESS PLUS ONE.
051146,000914: 
051147,000915:                                                                                                  #  IF THE INTEGRATION IS FINISHED TO THE DESIRED TIME, RETURN IS IN BASIC
051148,000916:                                                                                                  #  TO THE RETURN ADDRESS
051149,000917: 
051150,000918:                                                                                                  #  IN EITHER CASE , BEFORE RETURNING, THE EXTRAPOLATED STATE VECTOR IS TRAN
051151,000919:                                                                                                  #  FERRED FROM R,VATT TO R,VN1-PIPTIME1 IS SET TO THE FINISHING INTEGRA-
051152,000920:                                                                                                  #  TION TIME AND MPAC IS SET TO THE DELTA TIME---
051153,000921:                                                                                                  #                        TAT MINUS CURRENT TIME.
051154,000922: 
051155,000923:                                                                                                  #  MIDTOAV2
051156,000924: 
051157,000925:                                                                                                  #  THIS ROUTINE INTEGRATES THIS VEHICLES STATE VECTOR TO THE CURRENT TIME.
051158,000926:                                                                                                  #  NO INPUTS ARE REQUIRED OF THE CALLER.  RETURN IS IN BASIC TO THE RETURN
051159,000927:                                                                                                  #  ADDRESS WITH THE ABOVE TRANSFERS TO R,VN1-PIPTIME1-AND MPAC DONE
051160,000928: 
051161,000929: 13,3547  E7,1744                                  EBANK=   IRETURN1                              
051162,000930: 13,3547           43020        MIDTOAV2           STQ      CLRGO                                 #  INTEGRATE TO PRESENT TIME PLUS TIMEDELT
051163,000931: 13,3550           03744                                    IRETURN1                              
051164,000932: 13,3551           04634                                    MID1FLAG                              
051165,000933: 13,3552           27566                                    ENTMID2                               
051166,000934: 
051167,000935: 13,3553           43020        MIDTOAV1           STQ      SET                                   #  INTEGRATE TO TDEC1
051168,000936: 13,3554           03744                                    IRETURN1                              
051169,000937: 13,3555           04474                                    MID1FLAG                              
051170,000938: 13,3556           43234                           RTB      DAD                                   #  INITIAL CHECK, IS TDEC1 IN THE FUTURE
051171,000939: 13,3557           21574                                    LOADTIME                              
051172,000940: 13,3560           27670                                    TIMEDELT                              
051173,000941: 13,3561           51021                           BDSU     BPL                                   
051174,000942: 13,3562           00041                                    TDEC1                                 
051175,000943: 13,3563           27572                                    ENTMID1                               #  Y5S
051176,000944: 13,3564           77624                           CALL                                           
051177,000945: 13,3565           27656                                    NOTIME                                #  NO, SET ALARM, SWITCH TO MIDTOAV2
051178,000946: 
051179,000947: 13,3566           43234        ENTMID2            RTB      DAD                                   
051180,000948: 13,3567           21574                                    LOADTIME                              
051181,000949: 13,3570           27670                                    TIMEDELT                              
051182,000950: 13,3571           00041                           STORE    TDEC1                                 
051183,000951: 
051184,000952: 13,3572           77624        ENTMID1            CALL                                           
051185,000953: 13,3573           27410                                    INTSTALL                              
051186,000954: 13,3574           45014                           CLEAR    CALL                                  

Page 1217

051188,000956: 13,3575           01676                                    DIM0FLAG                              #  NO W-MATRIX
051189,000957: 13,3576           26066                                    THISVINT                              
051190,000958: 13,3577           43014                           CLEAR    SET                                   
051191,000959: 13,3600           01673                                    INTYPFLG                              
051192,000960: 13,3601           04475                                    MIDAVFLG                              #  LET INTEG. KNOW THE CALL IS FOR MIDTOAV.
051193,000961: 13,3602           77624                           CALL                                           
051194,000962: 13,3603           27133                                    INTEGRV                               #  GO INTEGRATE
051195,000963: 13,3604           77214                           CLEAR    VLOAD                                 
051196,000964: 13,3605           04675                                    MIDAVFLG                              
051197,000965: 13,3606           00001                                    RATT                                  
051198,000966: 13,3607           27545                           STOVL    RN1                                   
051199,000967: 13,3610           00007                                    VATT                                  
051200,000968: 13,3611           17553                           STODL    VN1                                   
051201,000969: 13,3612           00015                                    TAT                                   
051202,000970: 13,3613           03561                           STORE    PIPTIME1                              
051203,000971: 13,3614           66134                           SXA,2    SXA,1                                 
051204,000972: 13,3615           02777                                    RTX2                                  
051205,000973: 13,3616           02776                                    RTX1                                  
051206,000974: 13,3617           77776                           EXIT                                           
051207,000975: 
051208,000976: 13,3620           00004                           INHINT                                         
051209,000977: 13,3621           00006                           EXTEND                                         
051210,000978: 13,3622           40025                           DCS      TIME2                                 
051211,000979: 13,3623           20155                           DAS      MPAC                                  
051212,000980: 13,3624           07262                           TC       TPAGREE                               
051213,000981: 
051214,000982: 13,3625           31744                           CA       IRETURN1                              
051215,000983: 13,3626           04640                           TC       BANKJUMP                              
051216,000984: 13,3627           47014        CKMID2             BOF      RTB                                   
051217,000985: 13,3630           04754                                    MID1FLAG                              
051218,000986: 13,3631           27646                                    MID2                                  
051219,000987: 13,3632           21574                                    LOADTIME                              
051220,000988: 13,3633           44215                           DAD      BDSU                                  
051221,000989: 13,3634           27670                                    TIMEDELT                              
051222,000990: 13,3635           01115                                    TDEC                                  
051223,000991: 13,3636           45044                           BPL      CALL                                  
051224,000992: 13,3637           27256                                    TESTLOOP                              #  YES
051225,000993: 13,3640           27656                                    NOTIME                                
051226,000994: 
051227,000995: 13,3641           43234        TIMEINC            RTB      DAD                                   
051228,000996: 13,3642           21574                                    LOADTIME                              
051229,000997: 13,3643           27670                                    TIMEDELT                              
051230,000998: 13,3644           35115                           STCALL   TDEC                                  
051231,000999: 13,3645           27256                                    TESTLOOP                              
051232,001000: 
051233,001001: 13,3646           45345        MID2               DLOAD    DSU                                   
051234,001002: 13,3647           01115                                    TDEC                                  
051235,001003: 13,3650           01517                                    TET                                   
051236,001004: 13,3651           45246                           ABS      DSU                                   
051237,001005: 13,3652           27666                                    3CSECS                                
051238,001006: 

Page 1218

051240,001008: 13,3653           52040                           BMN      GOTO                                  
051241,001009: 13,3654           27156                                    A-PCHK                                
051242,001010: 13,3655           27641                                    TIMEINC                               
051243,001011: 
051244,001012: 13,3656           77414        NOTIME             CLEAR    EXIT                                  #  TOO LATE
051245,001013: 13,3657           04674                                    MID1FLAG                              
051246,001014: 13,3660           25744                           INCR     IRETURN1                              #  SET ERROR EXIT (CALLOC +2)
051247,001015: 13,3661           05567                           TC       ALARM                                 #  INSUFFICIENT TIME FOR INTEGRATION --
051248,001016: 13,3662           01703                           OCT      1703                                  #        TIG WILL BE SLIPPED...
051249,001017: 13,3663           06042                           TC       INTPRET                               
051250,001018: 13,3664           77616                           RVQ                                            
051251,001019: 
051252,001020: 13,3665           00000 00003  3CSECS             2DEC     3          B-28                       
051253,001021: 13,3667           00000 03720  TIMEDELT           2DEC     2000       B-28                       
051254,001022: 
051255,001023: 27,3361                                           BANK     27                                    
051256,001024: 04,2000                                           SETLOC   UPDATE2                               
051257,001025: 04,2000                                           BANK                                           
051258,001026: 04,3131     1166                                  EBANK=   INTWAKUQ                              
051259,001027: 
051260,001028: 04,3131                                           COUNT*   $$/INTIN                              
051261,001029: 
051262,001030: 04,3131     1166               INTWAKUQ           =        INTWAK1Q                              #  TEMPORARY UNTIL NAME OF INTWAK1Q IS CHNG
051263,001031: 
051264,001032: 04,3131           00003        INTWAKEU           RELINT                                         
051265,001033: 04,3132           00006                           EXTEND                                         
051266,001034: 04,3133           23166                           QXCH     INTWAKUQ                              #  SAVE Q FOR RETURN
051267,001035: 
051268,001036: 04,3134           06042                           TC       INTPRET                               
051269,001037: 
051270,001038: 04,3135           53135                           SLOAD    BZE                                   #  IS THIS A CSM/LEM STATE VECTOR UPDATE
051271,001039: 04,3136           01502                                    UPSVFLAG                              #  REQUEST.  IF NOT GO TO INTWAKUP.
051272,001040: 04,3137           11176                                    INTWAKUP                              
051273,001041: 
051274,001042: 04,3140           77775                           VLOAD                                          #  MOVE RRECT(6) AND VRECT(6) INTO
051275,001043: 04,3141           01503                                    RRECT                                 #        RCV(6) AND VCV(6) RESPECTIVELY.
051276,001044: 04,3142           25535                           STOVL    RCV                                   
051277,001045: 04,3143           01511                                    VRECT                                 #  NOW GO TO 'RECTIFY +13D' TO
051278,001046: 04,3144           77624                           CALL                                           #  STORE VRECT INTO VCV AND ZERO OUT
051279,001047: 04,3145           27706                                    RECTIFY    +13D                       #  TDELTAV(6),TNUV(6),TC(2) AND XKEP(2)
051280,001048: 04,3146           51535                           SLOAD    ABS                                   #  COMPARE ABSOLUTE VALUE OF 'UPSVFLAG'
051281,001049: 04,3147           01502                                    UPSVFLAG                              #  TO 'UPDATE MOON STATE VECTOR CODE'
051282,001050: 04,3150           53025                           DSU      BZE                                   #  TO DETERMINE WHETHER THE STATE VECTOR TO
051283,001051: 04,3151           11207                                    UPMNSVCD                              #  BE UPDATED IS IN THE EARTH OR LUNAR
051284,001052: 04,3152           11157                                    INTWAKEM                              #  SPHERE OF INFLUENCE.........
051285,001053: 04,3153           43174                           AXT,2    CLRGO                                 #  EARTH SPHERE OF INFLUENCE.
051286,001054: 04,3154           00000                           DEC      0          B-14                       
051287,001055: 04,3155           00223                                    MOONFLAG                              

Page 1219

051289,001057: 04,3156           11162                                    INTWAKEC                              
051290,001058: 04,3157           43174        INTWAKEM           AXT,2    SET                                   #  LUNAR SPHERE OF INFLUENCE.
051291,001059: 04,3160           00002                           DEC      2          B-14                       
051292,001060: 04,3161           00063                                    MOONFLAG                              
051293,001061: 04,3162           50135        INTWAKEC           SLOAD    BMN                                   #  COMMON CODING AFTER X2 INITIALIZED AND
051294,001062:                                                                                                  #  MOONFLAG SET (OR CLEARED).
051295,001063: 04,3163           01502                                    UPSVFLAG                              #  IS THIS A REQUEST FOR A LEM OR CSM
051296,001064: 04,3164           11172                                    INTWAKLM                              #        STATE VECTOR UPDATE......
051297,001065: 04,3165           77624                           CALL                                           #  UPDATE CSM STATE VECTOR
051298,001066: 04,3166           26660                                    ATOPCSM                               
051299,001067: 
051300,001068: 04,3167           52014                           CLEAR    GOTO                                  
051301,001069: 04,3170           01671                                    ORBWFLAG                              
051302,001070: 04,3171           11174                                    INTWAKEX                              
051303,001071: 
051304,001072: 04,3172           77624        INTWAKLM           CALL                                           #  UPDATE LM STATE VECTOR
051305,001073: 04,3173           26733                                    ATOPLEM                               
051306,001074: 
051307,001075: 04,3174           77614        INTWAKEX           CLEAR                                          
051308,001076: 04,3175           02676                                    RENDWFLG                              
051309,001077: 
051310,001078: 04,3176           45131        INTWAKUP           SSP      CALL                                  #  REMOVE :UPDATE STATE VECTOR INDICATOR:
051311,001079: 04,3177           01502                                    UPSVFLAG                              
051312,001080: 04,3200           00000                                    0                                     
051313,001081: 04,3201           27417                                    INTWAKE0                              #  RELEASE :GRAB: OF ORBIT INTEG
051314,001082: 04,3202           77776                           EXIT                                           
051315,001083: 
051316,001084: 04,3203           05353                           TC       PHASCHNG                              
051317,001085: 04,3204           04026                           OCT      04026                                 
051318,001086: 04,3205           01166                           TC       INTWAKUQ                              
051319,001087: 
051320,001088: 04,3206           00002        UPMNSVCD           OCT      2                                     
051321,001089: 04,3207           00000                           OCT      0                                     
051322,001090: 
051323,001091: 04,3210           77420        GRP2PC             STQ      EXIT                                  
051324,001092: 04,3211           02711                                    GRP2SVQ                               
051325,001093: 04,3212           05353                           TC       PHASCHNG                              
051326,001094: 04,3213           04022                           OCT      04022                                 
051327,001095: 04,3214           06042                           TC       INTPRET                               
051328,001096: 04,3215           77650                           GOTO                                           
051329,001097: 04,3216           02711                                    GRP2SVQ                               
051330,001098: 

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