Source Code

These source-code files derive from a printout of Luminary 116 (the Apollo 12 Lunar Module guidance computer program), from the personal library of original AGC developer Don Eyles, digitally photographed at archive.org, financially sponsored by Ron Burkey, and transcribed to source code by a team of volunteers. This colorized, syntax-highlighted form was created by assembling that transcribed source code. Note that the full page images are available on the Virtual AGC project page at archive.org, while reduced-size images are presented at the VirtualAGC project website. Report or fix any transcription errors at the Virtual AGC project code repository.

Notations on the program listing read, in part:

	GAP:  ASSEMBLE REVISION 116 OF AGC PROGRAM LUMINARY BY NASA 2021112-071
	19:09 AUG. 11,1969
Note that the date is the date of the printout, not the date of the program revision.

050538,000002:                                                                                                  ## Copyright:   Public domain.
050539,000003:                                                                                                  ## Filename:    INTEGRATION_INITIALIZATION.agc
050540,000004:                                                                                                  ## Purpose:     A section of Luminary revision 116.
050541,000005:                                                                                                  ##              It is part of the source code for the Lunar Module's (LM)
050542,000006:                                                                                                  ##              Apollo Guidance Computer (AGC) for Apollo 12.
050543,000007:                                                                                                  ##              This file is intended to be a faithful transcription, except
050544,000008:                                                                                                  ##              that the code format has been changed to conform to the
050545,000009:                                                                                                  ##              requirements of the yaYUL assembler rather than the
050546,000010:                                                                                                  ##              original YUL assembler.
050547,000011:                                                                                                  ## Reference:   pp. 1196-1217
050548,000012:                                                                                                  ## Assembler:   yaYUL
050549,000013:                                                                                                  ## Contact:     Ron Burkey <info@sandroid.org>.
050550,000014:                                                                                                  ## Website:     www.ibiblio.org/apollo/index.html
050551,000015:                                                                                                  ## Mod history: 2017-01-22 MAS  Created from Luminary 99.
050552,000016:                                                                                                  ##              2017-03-01 RRB  Updated for Luminary 116.
050553,000017:                                                                                                  ##              2017-03-09 HG   Fix interpretive opcode   BCN  --> BON
050554,000018:                                                                                                  ##                                               operand POOFLAG  --> POOHFLAG
050555,000019:                                                                                                  ##              2017-03-13 RSB  Proofed comment text via 3-way diff vs
050556,000020:                                                                                                  ##                              Luminary 99 and 131.
050557,000021:                                                                                                  ##              2017-03-15 RSB  Comment-text fixes identified in 5-way
050558,000022:                                                                                                  ##                              side-by-side diff of Luminary 69/99/116/131/210.
050559,000023:                                                                                                  ##              2017-03-19 HG   Fix missing operator and operand  SET POOHFLAG
050560,000024: 

Page 1196

050562,000026:                                                                                                  #  1.0 INTRODUCTION
050563,000027:                                                                                                  #  ----------------
050564,000028: 
050565,000029:                                                                                                  #  FROM A USERS POINT OF VIEW, ORBITAL INTEGRATION IS ESSENTIALLY THE SAME AS THE 278 INTEGRATION
050566,000030:                                                                                                  #  PROGRAM. THE SAME ENTRANCES TO THE PROGRAM WILL BE MAINTAINED, THE SAME STALLING ROUTINE WILL BE USED AND
050567,000031:                                                                                                  #  OUTPUT WILL STILL BE VIA THE PUSHLIST. THE PRIMARY DIFFERENCES TO A USER INVOLVE THE ADDED CAPABILITY OF
050568,000032:                                                                                                  #  TERMINATING INTEGRATION AT A SPECIFIC FINAL RADIUS AND THE DIFFERENCE IN STATE VECTOR SCALING INSIDE AND OUT-
050569,000033:                                                                                                  #  SIDE THE LUNAR SPHERE OF INFLUENCE.
050570,000034: 
050571,000035:                                                                                                  #  IN ORDER TO MAKE THE CSM(LEM)PREC AND CSM(LEM)CONIC ENTRANCES SIMILAR TO FLIGHT 278, THE INTEGRATION PROGRAM
050572,000036:                                                                                                  #  WILL ITSELF SET THE FINAL RADIUS (RFINAL) TO 0 SO THAT REACHING THE DESIRED TIME ONLY WILL TERMINATE
050573,000037:                                                                                                  #  INTEGRATION. THE DP REGISTER RFINAL MUST BE SET BY USERS OF INTEGRVS AND INTEGRV, AND MUST BE DONE AFTER THE
050574,000038:                                                                                                  #  CALL TC INTSTALL.
050575,000039: 
050576,000040:                                                                                                  #  WHEN THE LM IS ON THE LUNAR SURFACE (INDICATED BY LUNAR SURFACE FLAG SET) CALLS TO LEMCONIC, LEMPREC, AND
050577,000041:                                                                                                  #  INTEGRV WITH VINFLAG = 0 WILL RESULT IN THE USE OF THE PLANETARY INERTIAL ORIENTATION SUBROUTINES TO PROVIDE
050578,000042:                                                                                                  #  BOTH THE LMS POSITION AND VELOCITY IN THE REFERENCE COORDINATE SYSTEM.
050579,000043:                                                                                                  #  THE PROGRAM WILL PROVIDE OUTPUT AS IF INTEGRATION WAS USED. THAT IS, THE PUSHLIST WILL BE SET AS NOTED BELOW AND
050580,000044:                                                                                                  #  THE PERMANENT STATE VECTOR UPDATED WHEN SPECIFIED BY AN INTEGRV CALL.
050581,000045: 
050582,000046:                                                                                                  #  USERS OF INTEGRVS DESIRING INTEGRATION (INTYPFLG = 0) SHOULD NOTE THAT THE OBLATENESS PERTURBATION COMPUTATION
050583,000047:                                                                                                  #  IN LUNAR ORBIT IS TIME DEPENDENT. THEREFORE, THE USER SHOULD SUPPLY AN INITIAL STATE VECTOR VALID AT SOME REAL
050584,000048:                                                                                                  #  TIME AND THE DESIRED TIME (TDEC1) ALSO AT SOME REAL TIME. FOR CONIC ,,INTEGRATION,, THE USER MAY STILL USE ZERO
050585,000049:                                                                                                  #  AS THE INITIAL TIME AND DELTA TIME AS THE DESIRED TIME.
050586,000050: 
050587,000051:                                                                                                  #  2.0 GENERAL DESCRIPTION
050588,000052:                                                                                                  #  -----------------------
050589,000053: 
050590,000054:                                                                                                  #  THE INTEGRATION PROGRAM OPERATES AS A CLOSED INTERPRETIVE SUBROUTINE AND PERFORMS THESE FUNCTIONS---
050591,000055:                                                                                                  #     1) INTEGRATES (PRECISION OR CONIC) EITHER CSM OR LM STATE VECTOR
050592,000056:                                                                                                  #     2) INTEGRATES THE W-MATRIX
050593,000057:                                                                                                  #     3) PERMANENT OR TEMPORARY UPDATE OF THE STATE VECTOR
050594,000058: 
050595,000059:                                                                                                  #  THERE ARE SIX ENTRANCES TO THE INTEGRATION PROGRAM. FOUR OF THESE (CSMPREC, LEMPREC, CSMCONIC, LEMCONIC) SET
050596,000060:                                                                                                  #  ALL THE FLAGS REQUIRED IN THE INTEGRATION PROGRAM ITSELF TO CAUSE THE PRECISION OR CONIC INTEGRATION (KEPLER) OF
050597,000061:                                                                                                  #  THE LM OR CSM STATE VECTOR, AS THE NAMES SUGGEST. ONE ENTRANCE (INTEGRVS) PERMITS THE CALLING PROGRAM TO
050598,000062:                                                                                                  #  PROVIDE A STATE VECTOR TO BE INTEGRATED. THE CALLING PROGRAM MUST SET THE FLAGS INDICATING (1) PRECISION OR
050599,000063:                                                                                                  #  CONIC INTEGRATION, (2) IN OR OUT OF LUNAR SPHERE, (3) MIDCOURSE OR NOT, AND THE INTEGRATION PROGRAM COMPLETES
050600,000064:                                                                                                  #  THE FLAG SETTING TO BYPASS W-MATRIX INTEGRATION. THE LAST ENTRANCE (INTEGRV, USED IN GENERAL BY THE
050601,000065:                                                                                                  #  NAVIGATION PROGRAMS) PERMITS THE CALLER TO SET FIVE FLAGS (NOT MOONFLAG OR MIDFLAG) BUT NOT TO INPUT A STATE
050602,000066:                                                                                                  #  VECTOR. ANY PROGRAM WHICH CALLS INTEGRVS OR INTEGRV MUST CALL INTSTALL BEFORE IT SETS THE INTEGRATION FLAGS
050603,000067:                                                                                                  #  AND/OR STATE VECTOR.
050604,000068: 
050605,000069:                                                                                                  #  THREE SETS OF 42 REGISTERS AND 2 FLAGS ARE USED FOR THE STATE VECTORS. TWO SETS, WHICH MAY NOT BE OVERLAYED, ARE
050606,000070:                                                                                                  #  USED FOR THE PERMANENT STATE VECTORS FOR THE CSM AND LM. THE THIRD SET, WHICH MAY BE OVERLAYED WHEN INTEGRATION
050607,000071:                                                                                                  #  IS NOT BEING DONE, IS USED IN THE COMPUTATIONS.
050608,000072: 
050609,000073:                                                                                                  #  THE PERMANENT STATE VECTORS WILL BE PERIODICALLY UPDATED SO THAT THE VECTORS WILL NOT BE OLDER THAN 4 TIMESTEPS.
050610,000074:                                                                                                  #  THE PERMANENT STATE VECTORS WILL ALSO BE UPDATED WHENEVER THE W-MATRIX IS INTEGRATED OR WHEN A CALLER OF INTEGRV
050611,000075:                                                                                                  #  SETS STATEFLG (THE NAVIGATION PROGRAMS P20, P22.)
050612,000076: 

Page 1197

050614,000078:                                                                                                  #  APPENDIX B OF THE USERS GUIDE LISTS THE STATE VECTOR QUANTITIES.
050615,000079: 
050616,000080:                                                                                                  #  2.1 RESTARTS
050617,000081: 
050618,000082:                                                                                                  #  PHASE CHANGES WILL BE MADE IN THE INTEGRATION PROGRAM ONLY FOR THE INTEGRV ENTRANCE (I.E., WHEN THE W-MATRIX IS
050619,000083:                                                                                                  #  INTEGRATED OR PERMANENT STATE VECTOR IS UPDATED.) THE GROUP NUMBER USED WILL BE THAT FOR THE P20-25 PROGRAMS
050620,000084:                                                                                                  #  (I.E., GROUP2) SINCE THE INTEGRV ENTRANCE WILL ONLY BE USED BY THESE PROGRAMS. IF A RESTART OCCURS DURING AN
050621,000085:                                                                                                  #  INTEGRATION OF THE STATE VECTOR ONLY, THE RECOVERY WILL BE TO THE LAST PHASE IN THE CALLING PROGRAM. CALLING
050622,000086:                                                                                                  #  PROGRAMS WHICH USE THE INTEGRV OR INTEGRVS ENTRANCE OF INTEGRATION SHOULD ENSURE THAT IF PHASE CHANGING IS DONE
050623,000087:                                                                                                  #  THAT IT IS PRIOR TO SETTING THE INTEGRATION INPUTS IN THE PUSHLIST.
050624,000088:                                                                                                  #  THIS IS BECAUSE THE PUSHLIST IS LOST DURING A RESTART.
050625,000089: 
050626,000090:                                                                                                  #  2.2 SCALING
050627,000091: 
050628,000092:                                                                                                  #  THE INTEGRATION ROUTINE WILL MAINTAIN THE PERMANENT MEMORY STATE VECTORS IN THE SCALING AND UNITS DEFINED IN
050629,000093:                                                                                                  #  APPENDIX B OF THE USERS GUIDE. THE SCALING OF THE OUTPUT POSITION VECTOR DEPENDS ON THE ORIGIN OF THE COORDINATE
050630,000094:                                                                                                  #  SYSTEM AT THE DESIRED INTEGRATION TIME. THE COORDINATE SYSTEM TRANSFORMATION WILL BE DONE AUTOMATICALLY ON
050631,000095:                                                                                                  #  MULTIPLE TIMESTEP ENCKE INTEGRATION ONLY. THUS IT IS POSSIBLE TO HAVE OUTPUT FROM SUCCESSIVE INTEGRATIONS IN
050632,000096:                                                                                                  #  DIFFERENT SCALING.
050633,000097:                                                                                                  #  HOWEVER, RATT, VATT WILL ALWAYS BE SCALED THE SAME.
050634,000098: 
050635,000099:                                                                                                  #  3.0 INPUT/OUTPUT
050636,000100:                                                                                                  #  ----------------
050637,000101: 
050638,000102:                                                                                                  #  PROGRAM INPUTS ARE THE FLAGS DESCRIBED IN APPENDIX A AND THE PERMANENT STATE VECTOR QUANTITIES DESCRIBED IN AP-
050639,000103:                                                                                                  #  PENDIX B OF THE USERS GUIDE, PLUS THE DESIRED TIME TO INTEGRATE TO IN TDEC1 (A PUSH LIST LOCATION).
050640,000104:                                                                                                  #  FOR INTEGRVS, THE RCV,VCV, TET OF THE TEMPORARY STATE VECTOR MUST BE SET, PLUS MOONFLAG AND MIDFLAG
050641,000105: 
050642,000106:                                                                                                  #  FOR SIMULATION THE FOLLOWING QUANTITIES MUST BE PRESET ---
050643,000107:                                                                                                  #                                                             EARTH   MOON
050644,000108:                                                                                                  #                                                              29      27
050645,000109:                                                                                                  #     RRECTCSM(LEM)  - RECTIFIED POSITION VECTOR      METERS  2       2
050646,000110: 
050647,000111:                                                                                                  #                                                              7       5
050648,000112:                                                                                                  #     VRECTCSM(LEM)  - RECTIFIED VELOCITY VECTOR      M/CSEC  2       2
050649,000113: 
050650,000114:                                                                                                  #                                                              28      28
050651,000115:                                                                                                  #     TETCSM(LEM)    - TIME STATE VECTOR IS VALID     CSEC    2       2
050652,000116:                                                                                                  #                      CUSTOMARILY 0, BUT NOTE LUNAR
050653,000117:                                                                                                  #                      ORBIT DEPENDENCE ON REAL TIME.
050654,000118: 
050655,000119:                                                                                                  #                                                              22      18
050656,000120:                                                                                                  #     DELTAVCSM(LEM) - POSITION DEVIATION             METERS  2       2
050657,000121:                                                                                                  #                      0 IF TCCSM(LEM) = 0
050658,000122: 
050659,000123:                                                                                                  #                                                              3       -1
050660,000124:                                                                                                  #     NUVCSM(LEM)    - VELOCITY DEVIATION             M/CSEC  2       2
050661,000125:                                                                                                  #                      0 IF TCCSM(LEM) = 0

Page 1198

050663,000127:                                                                                                  #                                                              29      27
050664,000128:                                                                                                  #     RCVCSM(LEM)    - CONIC POSITION                 METERS  2       2
050665,000129:                                                                                                  #                      EQUALS RRECTCSM(LEM) IF
050666,000130:                                                                                                  #                      TCCSM(LEM) = 0
050667,000131: 
050668,000132:                                                                                                  #                                                              7       5
050669,000133:                                                                                                  #     VCVCSM(LEM)    - CONIC VELOCITY                 M/CSEC  2       2
050670,000134:                                                                                                  #                      EQUALS VRECTCSM(LEM) IF
050671,000135:                                                                                                  #                      TCCSM(LEM) = 0
050672,000136: 
050673,000137:                                                                                                  #                                                              28      28
050674,000138:                                                                                                  #     TCCSM(LEM)     - TIME SINCE RECTIFICATION       CSECS   2       2
050675,000139:                                                                                                  #                      CUSTOMARILY 0
050676,000140: 
050677,000141:                                                                                                  #                                                       1/2    17      16
050678,000142:                                                                                                  #     XKEPCSM(LEM)   - ROOT OF KEPLERS EQUATION       M       2       2
050679,000143:                                                                                                  #                      0 IF TCCSM(LEM) = 0
050680,000144: 
050681,000145:                                                                                                  #     CMOONFLG       - PERMANENT FLAGS CORRESPONDING          0       0
050682,000146:                                                                                                  #     CMIDFLAG         TO MOONFLAG AND MIDFLAG                0,1     0,1
050683,000147:                                                                                                  #     LMOONFLG         C = CSM, L = LM                        0       0
050684,000148:                                                                                                  #     LMIDFLG                                                 0,1     0,1
050685,000149: 
050686,000150:                                                                                                  #     SURFFLAG       - LUNAR SURFACE FLAG                     0,1     0,1
050687,000151: 
050688,000152:                                                                                                  #  IN ADDITION, IF (L)CMIDFLAG IS SET, THE INITIAL INPUT VALUES FOR LUNAR
050689,000153:                                                                                                  #  SOLAR EPHEMERIDES SUBROUTINE AND PLANETARY INERTIAL ORIENTATION SUB-
050690,000154:                                                                                                  #  ROUTINE MUST BE PRESET.
050691,000155: 
050692,000156:                                                                                                  #  OUTPUT
050693,000157:                                                                                                  #  AFTER EVERY CALL TO INTEGRATION
050694,000158:                                                                                                  #                                                             EARTH   MOON
050695,000159:                                                                                                  #                                                              29      29
050696,000160:                                                                                                  #      0D   RATT   POSITION                           METERS  2       2
050697,000161: 
050698,000162:                                                                                                  #                                                              7       7
050699,000163:                                                                                                  #      6D   VATT   VELOCITY                           M/CSEC  2       2
050700,000164: 
050701,000165:                                                                                                  #                                                              28      28
050702,000166:                                                                                                  #     12D   TAT    TIME                                       2       2
050703,000167: 
050704,000168:                                                                                                  #                                                              29      27
050705,000169:                                                                                                  #     14D   RATT1  POSITION                           METERS  2       2
050706,000170: 
050707,000171:                                                                                                  #                                                              7       5
050708,000172:                                                                                                  #     20D   VATT1  VELOCITY                           M/CSEC  2       2
050709,000173: 
050710,000174:                                                                                                  #                                                      3   2   36      30
050711,000175:                                                                                                  #     26D   MU(P)  MU                                 M /CS   2       2
050712,000176: 
050713,000177:                                                                                                  #     X1           MUTABLE ENTRY                              -2      -10D
050714,000178: 
050715,000179:                                                                                                  #     X2           COORDINT
050716,000180:                                                                                                  #     X2           COORDINATE SYSTEM ORIGEN                   0       2
050717,000181:                                                                                                  #                  (THIS, NOT MOONFLAG, SHOULD BE

Page 1199

050719,000183:                                                                                                  #                  USED TO DETERMINE ORIGIN.)
050720,000184: 
050721,000185:                                                                                                  #  IN ADDITION TO THE ABOVE, THE PERMANENT STATE VECTOR IS UPDATED WHENEVER
050722,000186:                                                                                                  #  STATEFLG WAS SET AND WHENEVER A W-MATRIX IS TO BE INTEGRATED. THE PUSH
050723,000187:                                                                                                  #  COUNTER IS SET TO 0 AND OVERFLOW IS CLEARED BEFORE RETURNING TO THE
050724,000188:                                                                                                  #  CALLING PROGRAM.
050725,000189: 
050726,000190:                                                                                                  #  4.0 CALLING SEQUENCES AND SAMPLE CODE
050727,000191:                                                                                                  #  -------------------------------------
050728,000192: 
050729,000193:                                                                                                  #      A) PRECISION ORBITAL INTEGRATION. CSMPREC, LEMPREC ENTRANCES
050730,000194:                                                                                                  #            L-X    STORE TIME TO 95T5791T5 T  95 PUS   L9ST (T4531)
050731,000195:                                                                                                  #            L      CALL
050732,000196:                                                                                                  #            L+1           CSMPREC (OR LEMPREC)
050733,000197:                                                                                                  #            L+2    RETURN
050734,000198:                                                                                                  #         INPUT                                                         28
050735,000199:                                                                                                  #            TDEC1 (PD 32D) TIME TO INTEGRATE TO...CENTISECONDS SCALED 2
050736,000200:                                                                                                  #         OUTPUT
050737,000201:                                                                                                  #            THE DATA LISTED IN SECTION 3.0 PLUS
050738,000202:                                                                                                  #            RQVV   POSITION VECTOR OF VEHICLE WITH RESPECT TO SECONDARY
050739,000203:                                                                                                  #            BODY... METERS B-29 ONLY IF MIDFLAG = DIM0FLAG = 1
050740,000204:                                                                                                  #      B) CONIC INTEGRATION.  CSMCONIC, LEMCONIC ENTRANCES
050741,000205:                                                                                                  #            L-X    STORE TIME IN PUSH LIST (TDEC1)
050742,000206:                                                                                                  #            L      CALL
050743,000207:                                                                                                  #            L+1           CSMCONIC (OR LEMCONIC)
050744,000208:                                                                                                  #         INPUT/OUTPUT
050745,000209:                                                                                                  #            SAME AS PRECISION INTEGRATION, EXCEPT RQVV NOT SET
050746,000210:                                                                                                  #      C) INTEGRATE GIVEN STATE VECTOR. INTEGRVS ENTRANCE
050747,000211:                                                                                                  #                   CALL
050748,000212:                                                                                                  #                          INTSTALL
050749,000213:                                                                                                  #                   VLOAD
050750,000214:                                                                                                  #                          POSITION VECTOR
050751,000215:                                                                                                  #                   STOVL  RCV
050752,000216:                                                                                                  #                          VELOCITY VECTOR
050753,000217:                                                                                                  #                   STODL  VCV
050754,000218:                                                                                                  #                          TIME STATE VECTOR VALID
050755,000219:                                                                                                  #                   STODL  TET
050756,000220:                                                                                                  #                          FINAL RADIUS
050757,000221:                                                                                                  #                   STORE  RFINAL
050758,000222:                                                                                                  #                   SET(CLEAR)  SET(CLEAR)
050759,000223:                                                                                                  #                               INTYPFLAG
050760,000224:                                                                                                  #                               MOONFLAG
050761,000225:                                                                                                  #                   SET(CLEAR)  DLOAD
050762,000226:                                                                                                  #                               DESIRED TIME
050763,000227:                                                                                                  #                   STCALL      TDEC1
050764,000228:                                                                                                  #                               INTEGRVS
050765,000229:                                                                                                  #         INPUT
050766,000230:                                                                                                  #            RCV    POSITION VECTOR                   METERS
050767,000231:                                                                                                  #            VCV    VELOCITY VECTOR                   M/CSEC
050768,000232:                                                                                                  #            TET    TIME OF STATE VECTOR (MAY = 0)    CSEC B-28

Page 1200

050770,000234:                                                                                                  #            TDEC1  TIME TO INTEGRATE TO             CSEC B-28 (PD 32D)
050771,000235:                                                                                                  #                   (MAY BE INCREMENT IF TET=0)
050772,000236:                                                                                                  #         OUTPUT
050773,000237:                                                                                                  #            SAME AS FOR PRECISION OR CONIC INTEGRATION,
050774,000238:                                                                                                  #            DEPENDING ON INTYPFLG.
050775,000239:                                                                                                  #     D) INTEGRATE STATE VECTOR.  INTGRV ENTRANCE
050776,000240:                                                                                                  #           L-X    STORE TIME IN PUSH LIST (TDEC1) (MAY BE DONE AFTER CALL TO INTSTALL)
050777,000241:                                                                                                  #           L-8    CALL
050778,000242:                                                                                                  #           L-7
050779,000243:                                                                                                  #           L-6    SET(CLEAR) SET(CLEAR)
050780,000244:                                                                                                  #           L-5               VINTFLAG   1=CSM, 0=LM
050781,000245:                                                                                                  #           L-4               INTYPFLAG  1=CONIC, 0=PRECISION
050782,000246:                                                                                                  #           L-3    SET(CLEAR) SET(CLEAR)
050783,000247:                                                                                                  #           L-2               DIM0FLAG   1=W-MATRIX, 0=NO W-MATRIX
050784,000248:                                                                                                  #           L-1               D6OR9FLG   1=9X9, 0=6X6
050785,000249:                                                                                                  #           L      SET        DLOAD
050786,000250:                                                                                                  #           L+1               STATEFLG   DESIRE PERMANENT UPDATE
050787,000251:                                                                                                  #           L+2               FINAL RAD. OF STATE VECTOR
050788,000252:                                                                                                  #           L+3    STCALL     RFINAL
050789,000253:                                                                                                  #           L+4               INTEGRV
050790,000254:                                                                                                  #           L      CALL                  NORMAL USE-- WILL UPDATE STATE
050791,000255:                                                                                                  #           L+1               INTEGRV    VECTOR IF DIM0FLAG=1.(STATEFLG IS
050792,000256:                                                                                                  #           L+2    RETURN                ALWAYS RESET IN INTEGRATION AFTER
050793,000257:                                                                                                  #                                        IT IS USED.)
050794,000258:                                                                                                  #        INPUT
050795,000259:                                                                                                  #           TDEC1 (PD 32D) TIME TO INTEGRATE TO    CSEC B-28
050796,000260:                                                                                                  #        OUTPUT
050797,000261:                                                                                                  #           SAME AS FOR PRECISION OR CONIC INTEGRATION
050798,000262:                                                                                                  #        THE PROGRAM WILL SET MOONFLAG, MIDFLAG DEPENDING ON
050799,000263:                                                                                                  #        THE PERMANENT STATE VECTOR REPRESENTATION.
050800,000264: 
050801,000265: 11,2404                                           BANK     11                                    
050802,000266: 13,2000                                           SETLOC   INTINIT                               
050803,000267: 13,2000                                           BANK                                           
050804,000268: 13,2604  E3,1554                                  EBANK=   RRECTCSM                              
050805,000269: 13,2604                                           COUNT*   $$/INTIN                              
050806,000270: 13,2604           05353        STATEINT           TC       PHASCHNG                              
050807,000271: 13,2605           00052                           OCT      00052                                 
050808,000272: 13,2606           35017                           CAF      PRIO5                                 
050809,000273: 13,2607           05105                           TC       FINDVAC                               
050810,000274: 13,2610  E3,1554                                  EBANK=   RRECTCSM                              
050811,000275: 13,2610           02613 26063                     2CADR    STATINT1                              
050812,000276: 
050813,000277: 13,2612           05261                           TC       TASKOVER                              
050814,000278: 13,2613           06042        STATINT1           TC       INTPRET                               
050815,000279: 13,2614           47014                           BON      RTB                                   
050816,000280: 13,2615           04712                                    QUITFLAG                              #  KILL INTEGRATION UNTIL NEXT POO.
050817,000281: 13,2616           26654                                    NOINT                                 
050818,000282: 13,2617           21574                                    LOADTIME                              
050819,000283: 13,2620           00041                           STORE    TDEC1                                 

Page 1201

050821,000285: 13,2621           77624                           CALL                                           
050822,000286: 13,2622           27412                                    INTSTALL                              
050823,000287: 13,2623           45014                           SET      CALL                                  
050824,000288: 13,2624           01076                                    NODOFLAG                              
050825,000289: 13,2625           26645                                    SETIFLGS                              
050826,000290: 13,2626           52014                           SET      GOTO                                  
050827,000291: 13,2627           01460                                    POOHFLAG                              
050828,000292: 13,2630           26026                                    STATEUP                               
050829,000293: 13,2631           00003 25140  600SECS            2DEC     60000      B-28                       
050830,000294: 
050831,000295: 13,2633           77414        ENDINT             CLEAR    EXIT                                  
050832,000296: 13,2634           01672                                    STATEFLG                              
050833,000297: 13,2635           05353                           TC       PHASCHNG                              
050834,000298: 13,2636           20032                           OCT      20032                                 
050835,000299: 13,2637           00006                           EXTEND                                         
050836,000300: 13,2640           32632                           DCA      600SECS                               
050837,000301: 13,2641           05277                           TC       LONGCALL                              
050838,000302: 13,2642  E3,1626                                  EBANK=   RRECTHIS                              
050839,000303: 13,2642           02604 26063                     2CADR    STATEINT                              
050840,000304: 
050841,000305: 13,2644           05155                           TC       ENDOFJOB                              
050842,000306: 13,2645           43014        SETIFLGS           SET      CLEAR                                 
050843,000307: 13,2646           01472                                    STATEFLG                              
050844,000308: 13,2647           01673                                    INTYPFLG                              
050845,000309: 13,2650           43014                           CLEAR    CLEAR                                 
050846,000310: 13,2651           01676                                    DIM0FLAG                              
050847,000311: 13,2652           01675                                    D6OR9FLG                              
050848,000312: 13,2653           77616                           RVQ                                            
050849,000313: 13,2654           77776        NOINT              EXIT                                           
050850,000314: 13,2655           05353                           TC       PHASCHNG                              
050851,000315: 13,2656           00002                           OCT      00002                                 
050852,000316: 
050853,000317: 13,2657           05516                           TC       DOWNFLAG                              
050854,000318: 13,2660           00221                           ADRES    QUITFLAG                              
050855,000319: 13,2661           05155                           TC       ENDOFJOB                              
050856,000320: 
050857,000321:                                                                                                  #  ATOPCSM TRANSFERS RRECT TO RRECT +41 TO RRECTCSM TO RRECTCSM +41
050858,000322: 
050859,000323:                                                                                                  #  CALLING SEQUENCE
050860,000324:                                                                                                  #     L   CALL
050861,000325:                                                                                                  #     L+1       ATOPCSM
050862,000326: 
050863,000327:                                                                                                  #  NORMAL EXIT AT L+2
050864,000328: 
050865,000329: 13,2662           47020        ATOPCSM            STQ      RTB                                   
050866,000330: 13,2663           00051                                    S2                                    
050867,000331: 13,2664           26675                                    MOVEACSM                              
050868,000332: 13,2665           45014                           SET      CALL                                  
050869,000333: 13,2666           04063                                    CMOONFLG                              
050870,000334: 13,2667           26114                                    SVDWN1                                

Page 1202

050872,000336: 13,2670           43014                           BON      CLRGO                                 
050873,000337: 13,2671           00303                                    MOONFLAG                              
050874,000338: 13,2672           00051                                    S2                                    
050875,000339: 13,2673           04223                                    CMOONFLG                              
050876,000340: 13,2674           00051                                    S2                                    
050877,000341: 13,2675           03037        MOVEACSM           TC       SETBANK                               
050878,000342: 13,2676           55500                           TS       DIFEQCNT                              #  INITIALIZE INDEX
050879,000343: 13,2677           51500                           INDEX    DIFEQCNT                              
050880,000344: 13,2700           31502                           CA       RRECT                                 
050881,000345: 13,2701           51500                           INDEX    DIFEQCNT                              
050882,000346: 13,2702           55554                           TS       RRECTCSM                              
050883,000347: 13,2703           11500                           CCS      DIFEQCNT                              #  IS TRANSFER COMPLETE
050884,000348: 13,2704           12676                           TCF      MOVEACSM   +1                         #  NO-LOOP
050885,000349: 13,2705           06064                           TC       DANZIG                                #  COMPLETE - RETURN
050886,000350: 
050887,000351:                                                                                                  #  PTOACSM TRANSFERS RRECTCSM TO RRECTCSM +41 TO RRECT TO RRECT +41
050888,000352: 
050889,000353:                                                                                                  #  CALLING SEQUENCE
050890,000354:                                                                                                  #     L   CALL
050891,000355:                                                                                                  #              PTOACSM
050892,000356: 
050893,000357:                                                                                                  #  NORMAL EXIT AT L+2
050894,000358: 
050895,000359: 13,2706           43034        PTOACSM            RTB      BON                                   
050896,000360: 13,2707           26724                                    MOVEPCSM                              
050897,000361: 13,2710           04303                                    CMOONFLG                              
050898,000362: 13,2711           26717                                    SETMOON                               
050899,000363: 13,2712           66214        CLRMOON            CLEAR    SSP                                   
050900,000364: 13,2713           00263                                    MOONFLAG                              
050901,000365: 13,2714           02031                                    PBODY                                 
050902,000366: 13,2715           00000                                    0                                     
050903,000367: 13,2716           77616                           RVQ                                            
050904,000368: 13,2717           66214        SETMOON            SET      SSP                                   
050905,000369: 13,2720           00063                                    MOONFLAG                              
050906,000370: 13,2721           02031                                    PBODY                                 
050907,000371: 13,2722           00002                                    2                                     
050908,000372: 13,2723           77616                           RVQ                                            
050909,000373: 13,2724           03037        MOVEPCSM           TC       SETBANK                               
050910,000374: 13,2725           55500                           TS       DIFEQCNT                              
050911,000375: 13,2726           51500                           INDEX    DIFEQCNT                              
050912,000376: 13,2727           31554                           CA       RRECTCSM                              
050913,000377: 13,2730           51500                           INDEX    DIFEQCNT                              
050914,000378: 13,2731           55502                           TS       RRECT                                 
050915,000379: 13,2732           11500                           CCS      DIFEQCNT                              
050916,000380: 13,2733           12725                           TCF      MOVEPCSM   +1                         
050917,000381: 13,2734           06064                           TC       DANZIG                                
050918,000382: 
050919,000383:                                                                                                  #  ATOPLEM TRANSFERS RRECT TO RRECT +41 TO RRECTLEM TO RRECTLEM +41

Page 1203

050921,000385: 13,2735           47020        ATOPLEM            STQ      RTB                                   
050922,000386: 13,2736           00051                                    S2                                    
050923,000387: 13,2737           26750                                    MOVEALEM                              
050924,000388: 13,2740           45014                           SET      CALL                                  
050925,000389: 13,2741           04064                                    LMOONFLG                              
050926,000390: 13,2742           26070                                    SVDWN2                                
050927,000391: 13,2743           43014                           BON      CLRGO                                 
050928,000392: 13,2744           00303                                    MOONFLAG                              
050929,000393: 13,2745           00051                                    S2                                    
050930,000394: 13,2746           04224                                    LMOONFLG                              
050931,000395: 13,2747           00051                                    S2                                    
050932,000396: 13,2750           03037        MOVEALEM           TC       SETBANK                               
050933,000397: 13,2751           55500                           TS       DIFEQCNT                              
050934,000398: 13,2752           51500                           INDEX    DIFEQCNT                              
050935,000399: 13,2753           31502                           CA       RRECT                                 
050936,000400: 13,2754           51500                           INDEX    DIFEQCNT                              
050937,000401: 13,2755           55626                           TS       RRECTLEM                              
050938,000402: 13,2756           11500                           CCS      DIFEQCNT                              
050939,000403: 13,2757           12751                           TCF      MOVEALEM   +1                         
050940,000404: 13,2760           06064                           TC       DANZIG                                
050941,000405: 
050942,000406:                                                                                                  #  PTOALEM TRANSFERS RRECTLEM TO RRECTLEM +41 TO RRECT TO RRECT +41
050943,000407: 
050944,000408: 13,2761           47014        PTOALEM            BON      RTB                                   
050945,000409: 13,2762           04307                                    SURFFLAG                              
050946,000410: 13,2763           27002                                    USEPIOS                               
050947,000411: 13,2764           26771                                    MOVEPLEM                              
050948,000412: 13,2765           52014                           BON      GOTO                                  
050949,000413: 13,2766           04304                                    LMOONFLG                              
050950,000414: 13,2767           26717                                    SETMOON                               
050951,000415: 13,2770           26712                                    CLRMOON                               
050952,000416: 13,2771           03037        MOVEPLEM           TC       SETBANK                               
050953,000417: 13,2772           55500                           TS       DIFEQCNT                              
050954,000418: 13,2773           51500                           INDEX    DIFEQCNT                              
050955,000419: 13,2774           31626                           CA       RRECTLEM                              
050956,000420: 13,2775           51500                           INDEX    DIFEQCNT                              
050957,000421: 13,2776           55502                           TS       RRECT                                 
050958,000422: 13,2777           11500                           CCS      DIFEQCNT                              
050959,000423: 13,3000           12772                           TCF      MOVEPLEM   +1                         
050960,000424: 13,3001           06064                           TC       DANZIG                                
050961,000425: 
050962,000426: 13,3002           77201        USEPIOS            SETPD    VLOAD                                 
050963,000427: 13,3003           00001                                    0                                     
050964,000428: 13,3004           02023                                    RLS                                   
050965,000429: 13,3005           41525                           PDDL     PUSH                                  
050966,000430: 13,3006           00041                                    TDEC1                                 
050967,000431: 13,3007           15517                           STODL    TET                                   
050968,000432: 13,3010           27735                                    5/8                                   

Page 1204

050970,000434: 13,3011           77624                           CALL                                           
050971,000435: 13,3012           55716                                    RP-TO-R                               
050972,000436: 13,3013           25535                           STOVL    RCV                                   
050973,000437: 13,3014           24001                                    ZUNIT                                 
050974,000438: 13,3015           14001                           STODL    0D                                    
050975,000439: 13,3016           01517                                    TET                                   
050976,000440: 13,3017           14007                           STODL    6D                                    
050977,000441: 13,3020           27735                                    5/8                                   
050978,000442: 13,3021           45014                           SET      CALL                                  #  NEEDED FOR SETTING X1 ON EXIT
050979,000443: 13,3022           00063                                    MOONFLAG                              
050980,000444: 13,3023           55716                                    RP-TO-R                               
050981,000445: 13,3024           74235                           VXV      VXSC                                  
050982,000446: 13,3025           01535                                    RCV                                   
050983,000447: 13,3026           26001                                    OMEGMOON                              
050984,000448: 13,3027           25543                           STOVL    VCV                                   
050985,000449: 13,3030           24007                                    ZEROVEC                               
050986,000450: 13,3031           01521                           STORE    TDELTAV                               
050987,000451: 13,3032           67174                           AXT,2    SXA,2                                 
050988,000452: 13,3033           00002                                    2                                     
050989,000453: 13,3034           02030                                    PBODY                                 
050990,000454: 13,3035           35527                           STCALL   TNUV                                  
050991,000455: 13,3036           27160                                    A-PCHK                                
050992,000456: 13,3037           33043        SETBANK            CAF      INTBANK                               
050993,000457: 13,3040           54006                           TS       BBANK                                 
050994,000458: 13,3041           33450                           CAF      FORTYONE                              
050995,000459: 13,3042           00002                           TC       Q                                     
050996,000460: 13,3043  E3,1554                                  EBANK=   RRECTCSM                              
050997,000461: 13,3043           26063        INTBANK            BBCON    INTEGRV                               
050998,000462: 
050999,000463:                                                                                                  #  SPECIAL PURPOSE ENTRIES TO ORBITAL INTEGRATION. THESE ROUTINES PROVIDE ENTRANCES TO INTEGRATION WITH
051000,000464:                                                                                                  #  APPROPRIATE SWITCHES SET OR CLEARED FOR THE DESIRED INTEGRATION.
051001,000465: 
051002,000466:                                                                                                  #  CSMPREC AND LEMPREC PERFORM ORBIT INTEGRATION BY THE ENCKE METHOD TO THE TIME INDICATED IN TDEC1
051003,000467:                                                                                                  #  ACCELERATIONS DUE TO OBLATENESS ARE INCLUDED. NO W-MATRIX INT. IS DONE.
051004,000468:                                                                                                  #  THE PERMANENT STATE VECTOR IS NOT UPDATED.
051005,000469:                                                                                                  #  CSMCONIC AND LEMCONIC PERFORM ORBIT INTEG. BY KEPLERS METHOD TO THE TIME INDICATED IN TDEC1
051006,000470:                                                                                                  #  NO DISTURBING ACCELERATIONS ARE INCLUDED. IN THE PROGRAM FLOW THE GIVEN
051007,000471:                                                                                                  #  STATE VECTOR IS RECTIFIED BEFORE SOLUTION OF KEPLERS EQUATION
051008,000472: 
051009,000473:                                                                                                  #  THE ROUTINES ASSUME THAT THE CSM (LEM) STATE VECTOR IN P-MEM IS VALID.
051010,000474:                                                                                                  #  SWITCHES SET PRIOR TO ENTRY TO THE MAIN INTEG. PROG ARE AS FOLLOWS
051011,000475:                                                                                                  #              CSMPREC  CSMCONIC   LEMPREC  LEMCONIC
051012,000476:                                                                                                  #  VINTFLAG     SET       SET       CLEAR    CLEAR
051013,000477:                                                                                                  #  INTYPFLG     CLEAR     SET       CLEAR    SET
051014,000478:                                                                                                  #  DIM0FLAG     CLEAR     CLEAR     CLEAR    CLEAR
051015,000479: 
051016,000480:                                                                                                  #  CALLING SEQUENCE
051017,000481:                                                                                                  #     L-X  STORE TDEC1

Page 1205

051019,000483:                                                                                                  #     L    CALL        (STCALL TDEC1)
051020,000484:                                                                                                  #     L+1          CSMPREC (CSMCONIC, LEMPREC, LEMCONIC)
051021,000485: 
051022,000486:                                                                                                  #   NORMAL EXIT TO L+2
051023,000487: 
051024,000488:                                                                                                  #  SUBROUTINES CALLED
051025,000489:                                                                                                  #    INTEGRV1
051026,000490:                                                                                                  #    PRECOUT FOR CSMPREC AND LEMPREC
051027,000491:                                                                                                  #    CONICOUT FOR CSMCONIC AND LEMCONIC
051028,000492: 
051029,000493:                                                                                                  #  OUTPUT - SEE PAGE 2 OF THIS LOG SECTION
051030,000494:                                                                                                  #  INPUT
051031,000495:                                                                                                  #   TDEC1   TIME TO INTEGRATE TO.  CSECS B-28
051032,000496: 
051033,000497: 13,3044           45020        CSMPREC            STQ      CALL                                  
051034,000498: 13,3045           00046                                    X1                                    
051035,000499: 13,3046           27412                                    INTSTALL                              
051036,000500: 13,3047           43130                           SXA,1    SET                                   
051037,000501: 13,3050           02102                                    IRETURN                               
051038,000502: 13,3051           01474                                    VINTFLAG                              
051039,000503: 
051040,000504: 13,3052           43014        IFLAGP             SET      CLEAR                                 
051041,000505: 13,3053           01467                                    PRECIFLG                              
051042,000506: 13,3054           01676                                    DIM0FLAG                              
051043,000507: 13,3055           77614                           CLRGO                                          
051044,000508: 13,3056           01633                                    INTYPFLG                              
051045,000509: 13,3057           27137                                    INTEGRV1                              
051046,000510: 13,3060           45020        LEMPREC            STQ      CALL                                  
051047,000511: 13,3061           00046                                    X1                                    
051048,000512: 13,3062           27412                                    INTSTALL                              
051049,000513: 13,3063           43130                           SXA,1    CLRGO                                 
051050,000514: 13,3064           02102                                    IRETURN                               
051051,000515: 13,3065           01634                                    VINTFLAG                              
051052,000516: 13,3066           27052                                    IFLAGP                                
051053,000517: 
051054,000518: 13,3067           45020        CSMCONIC           STQ      CALL                                  
051055,000519: 13,3070           00046                                    X1                                    
051056,000520: 13,3071           27412                                    INTSTALL                              
051057,000521: 13,3072           43130                           SXA,1    SET                                   
051058,000522: 13,3073           02102                                    IRETURN                               
051059,000523: 13,3074           01474                                    VINTFLAG                              
051060,000524: 13,3075           43014        IFLAGC             CLEAR    SETGO                                 
051061,000525: 13,3076           01676                                    DIM0FLAG                              
051062,000526: 13,3077           01433                                    INTYPFLG                              
051063,000527: 13,3100           27137                                    INTEGRV1                              
051064,000528: 13,3101           45020        LEMCONIC           STQ      CALL                                  
051065,000529: 13,3102           00046                                    X1                                    
051066,000530: 13,3103           27412                                    INTSTALL                              
051067,000531: 13,3104           43130                           SXA,1    CLRGO                                 

Page 1215

051069,000533: 13,3105           02102                                    IRETURN                               
051070,000534: 13,3106           01634                                    VINTFLAG                              
051071,000535: 13,3107           27075                                    IFLAGC                                
051072,000536: 
051073,000537: 13,3110           66214        INTEGRVS           SET      SSP                                   
051074,000538: 13,3111           01467                                    PRECIFLG                              
051075,000539: 13,3112           02031                                    PBODY                                 
051076,000540: 13,3113           00000                                    0                                     
051077,000541: 13,3114           66214                           BOF      SSP                                   
051078,000542: 13,3115           00343                                    MOONFLAG                              
051079,000543: 13,3116           27121                                    +3                                    
051080,000544: 13,3117           02031                                    PBODY                                 
051081,000545: 13,3120           00002                                    2                                     
051082,000546: 13,3121           77220                           STQ      VLOAD                                 
051083,000547: 13,3122           02102                                    IRETURN                               
051084,000548: 13,3123           24007                                    ZEROVEC                               
051085,000549: 13,3124           01521                           STORE    TDELTAV                               
051086,000550: 13,3125           35527                           STCALL   TNUV                                  
051087,000551: 13,3126           27673                                    RECTIFY                               
051088,000552: 13,3127           43014                           CLEAR    SET                                   
051089,000553: 13,3130           01676                                    DIM0FLAG                              
051090,000554: 13,3131           04062                                    NEWIFLG                               
051091,000555: 13,3132           77614                           SETGO                                          
051092,000556: 13,3133           04020                                    RPQFLAG                               
051093,000557: 13,3134           27151                                    ALOADED                               
051094,000558: 
051095,000559:                                                                                                  #  INTEGRV IS AN ENTRY TO ORBIT INTEGRATION WHICH PERMITS THE CALLER,
051096,000560:                                                                                                  #  NORMALLY THE NAVIGATION PROGRAM, TO SET THE INTEG. FLAGS. THE ROUTINE
051097,000561:                                                                                                  #  IS ENTERED AT INTEGRV1 BY CSMPREC ET.AL. AND AT ALOADED BY INTEGRVS.
051098,000562:                                                                                                  #  THE ROUTINE SETS UP A-MEMORY IF ENTERED AT INTEGRV,1 AND SETS THE INTEG.
051099,000563:                                                                                                  #  PROGRAM FOR PRECISION OR CONIC
051100,000564: 
051101,000565:                                                                                                  #  THE CALLER MUST FIRST CALL INTSTALL TO CHECK IF INTEG. IS IN USE BEFORE
051102,000566:                                                                                                  #  SETTING ANY FLAGS.
051103,000567:                                                                                                  #  THE FLAGS WHICH SHOULD BE SET OR CLEARED ARE
051104,000568:                                                                                                  #    VINTFLAG    (IGNORED WHEN ENTERED FROM INTEGRVS)
051105,000569:                                                                                                  #    INTYPFLG
051106,000570:                                                                                                  #    DIM0FLAG
051107,000571:                                                                                                  #    D6OR9FLG
051108,000572: 
051109,000573:                                                                                                  #  CALLING SEQUENCE
051110,000574:                                                                                                  #    L-X    CALL
051111,000575:                                                                                                  #    L-Y          INTSTALL
051112,000576:                                                                                                  #    L-1    SET OR CLEAR ALL FOUR FLAGS. ALSO CAN SET STATEFLG IF DESIRED
051113,000577:                                                                                                  #           AND DIM0FLAG IS CLEAR.
051114,000578:                                                                                                  #    L      CALL
051115,000579:                                                                                                  #    L+1           INTEGRV
051116,000580: 
051117,000581:                                                                                                  #  INITIALIZATION
051118,000582:                                                                                                  #    FLAGS AS ABOVE
051119,000583:                                                                                                  #    STORE TIME TO INTEGRATE TO IN TDEC1
051120,000584: 
051121,000585:                                                                                                  #  OUTPUT
051122,000586:                                                                                                  #    RATT   AS

Page 1216

051124,000588:                                                                                                  #    VATT   DEFINED
051125,000589:                                                                                                  #    TAT            BEFORE
051126,000590: 
051127,000591: 13,3135           77620        INTEGRV            STQ                                            
051128,000592: 13,3136           02102                                    IRETURN                               
051129,000593: 13,3137           43014        INTEGRV1           SET      SET                                   
051130,000594: 13,3140           04060                                    RPQFLAG                               
051131,000595: 13,3141           04062                                    NEWIFLG                               
051132,000596: 13,3142           77731        INTEGRV2           SSP                                            
051133,000597: 13,3143           00053                                    QPRET                                 
051134,000598: 13,3144           27151                                    ALOADED                               
051135,000599: 13,3145           52014                           BON      GOTO                                  
051136,000600: 13,3146           01714                                    VINTFLAG                              
051137,000601: 13,3147           26706                                    PTOACSM                               
051138,000602: 13,3150           26761                                    PTOALEM                               
051139,000603: 13,3151           77745        ALOADED            DLOAD                                          
051140,000604: 13,3152           00041                                    TDEC1                                 
051141,000605: 13,3153           01115                           STORE    TDEC                                  
051142,000606: 13,3154           52014                           BOFF     GOTO                                  
051143,000607: 13,3155           01753                                    INTYPFLG                              
051144,000608: 13,3156           27260                                    TESTLOOP                              
051145,000609: 13,3157           27244                                    RVCON                                 
051146,000610: 13,3160           77414        A-PCHK             BOF      EXIT                                  
051147,000611: 13,3161           01752                                    STATEFLG                              
051148,000612: 13,3162           27201                                    RECTOUT                               
051149,000613: 13,3163           05353                           TC       PHASCHNG                              
051150,000614: 13,3164           04022                           OCT      04022                                 
051151,000615: 13,3165           05504                           TC       UPFLAG                                #  PHASE CHANGE HAS OCCURRED BETWEEN
051152,000616: 13,3166           00236                           ADRES    REINTFLG                              #  INTSTALL AND INTWAKE
051153,000617: 13,3167           06042                           TC       INTPRET                               
051154,000618: 13,3170           77731                           SSP                                            
051155,000619: 13,3171           00053                                    QPRET                                 
051156,000620: 13,3172           27177                                    PHEXIT                                
051157,000621: 13,3173           52014                           BON      GOTO                                  
051158,000622: 13,3174           01714                                    VINTFLAG                              
051159,000623: 13,3175           26662                                    ATOPCSM                               
051160,000624: 13,3176           26735                                    ATOPLEM                               
051161,000625: 13,3177           77624        PHEXIT             CALL                                           
051162,000626: 13,3200           11226                                    GRP2PC                                
051163,000627: 13,3201           45001        RECTOUT            SETPD    CALL                                  
051164,000628: 13,3202           00001                                    0                                     
051165,000629: 13,3203           27673                                    RECTIFY                               
051166,000630: 13,3204           53775                           VLOAD    VSL*                                  
051167,000631: 13,3205           01503                                    RRECT                                 
051168,000632: 13,3206           57576                                    0,2                                   
051169,000633: 13,3207           53715                           PDVL     VSL*                                  #  RATT TO PD0
051170,000634: 13,3210           01511                                    VRECT                                 
051171,000635: 13,3211           57576                                    0,2                                   
051172,000636: 13,3212           63325                           PDDL     PDVL                                  #  VATT TO PD6   TAT TO PD12

Page 1208

051174,000638: 13,3213           01517                                    TET                                   
051175,000639: 13,3214           01503                                    RRECT                                 
051176,000640: 13,3215           64715                           PDVL     PDDL*                                 
051177,000641: 13,3216           01511                                    VRECT                                 
051178,000642: 13,3217           51770                                    MUEARTH,2                             
051179,000643: 13,3220           76006                           PUSH     AXT,1                                 
051180,000644: 13,3221           77765                           DEC      -10        B-14                       
051181,000645: 13,3222           76014                           BON      AXT,1                                 
051182,000646: 13,3223           00303                                    MOONFLAG                              
051183,000647: 13,3224           27226                                    +2                                    
051184,000648: 13,3225           77775                           DEC      -2         B-14                       
051185,000649: 13,3226           40001        INTEXIT            SETPD    BOV                                   
051186,000650: 13,3227           00001                                    0                                     
051187,000651: 13,3230           27231                                    +1                                    
051188,000652: 13,3231           43014                           CLEAR    CLEAR                                 
051189,000653: 13,3232           04676                                    AVEMIDSW                              #  ALLOW UPDATE OF DOWNLINK STATE VECTOR
051190,000654: 13,3233           01667                                    PRECIFLG                              
051191,000655: 13,3234           77614                           CLEAR                                          
051192,000656: 13,3235           01672                                    STATEFLG                              
051193,000657: 13,3236           77535                           SLOAD    EXIT                                  
051194,000658: 13,3237           02103                                    IRETURN                               
051195,000659: 13,3240           30154                           CA       MPAC                                  
051196,000660: 13,3241           50120                           INDEX    FIXLOC                                
051197,000661: 13,3242           54052                           TS       QPRET                                 
051198,000662: 13,3243           03423                           TC       INTWAKE                               
051199,000663: 
051200,000664:                                                                                                  #  RVCON SETS UP ORBIT INTEGRATION TO DO A CONIC SOLUTION FOR POSITION AND
051201,000665:                                                                                                  #  VELOCITY FOR THE INTERVAL (TET-TDEC)
051202,000666: 
051203,000667: 13,3244           45345        RVCON              DLOAD    DSU                                   
051204,000668: 13,3245           01115                                    TDEC                                  
051205,000669: 13,3246           01517                                    TET                                   
051206,000670: 13,3247           36074                           STCALL   TAU.                                  
051207,000671: 13,3250           27673                                    RECTIFY                               
051208,000672: 13,3251           77624                           CALL                                           
051209,000673: 13,3252           22404                                    KEPPREP                               
051210,000674: 13,3253           43345                           DLOAD    DAD                                   
051211,000675: 13,3254           01551                                    TC                                    
051212,000676: 13,3255           01517                                    TET                                   
051213,000677: 13,3256           35517                           STCALL   TET                                   
051214,000678: 13,3257           27201                                    RECTOUT                               
051215,000679: 

Page 1209

051217,000681:                                                                                                  #  TESTLOOP
051218,000682: 
051219,000683: 13,3260           43014        TESTLOOP           BOF      CLRGO                                 
051220,000684: 13,3261           04752                                    QUITFLAG                              
051221,000685: 13,3262           27265                                    +3                                    
051222,000686: 13,3263           01632                                    STATEFLG                              
051223,000687: 13,3264           27226                                    INTEXIT                               #  STOP INTEGRATION
051224,000688: 13,3265           73001                 +3        SETPD    LXA,2                                 
051225,000689: 13,3266           00013                                    10D                                   
051226,000690: 13,3267           02030                                    PBODY                                 
051227,000691: 13,3270           51575                           VLOAD    ABVAL                                 
051228,000692: 13,3271           01535                                    RCV                                   
051229,000693: 13,3272           43006                           PUSH     CLEAR                                 #  RC TO 10D
051230,000694: 13,3273           00262                                    MIDFLAG                               
051231,000695: 13,3274           50023                           DSU*     BMN                                   #  MIDFLAG=0 IF R G.T. RMP
051232,000696: 13,3275           53755                                    RME,2                                 
051233,000697: 13,3276           27301                                    +3                                    
051234,000698: 13,3277           77614                           SET                                            
051235,000699: 13,3300           00062                                    MIDFLAG                               
051236,000700: 13,3301           41345        NORFINAL           DLOAD    DMP                                   
051237,000701: 13,3302           00013                                    10D                                   
051238,000702: 13,3303           00043                                    34D                                   
051239,000703: 13,3304           55762                           SR1R     DDV*                                  
051240,000704: 13,3305           51770                                    MUEARTH,2                             
051241,000705: 13,3306           41366                           SQRT     DMP                                   
051242,000706: 13,3307           25762                                    .3D                                   
051243,000707: 13,3310           40442                           SR3      SR4                                   #  DT   IS TRUNCATED TO A MULTIPLE
051244,000708: 13,3311           54345                           DLOAD    SL                                    
051245,000709: 13,3312           00155                                    MPAC                                  
051246,000710: 13,3313           20220                                    15D                                   #       OF 128 CSECS.
051247,000711: 13,3314           40006                           PUSH     BOV                                   
051248,000712: 13,3315           27342                                    MAXDT                                 
051249,000713: 13,3316           50021                           BDSU     BMN                                   
051250,000714: 13,3317           27411                                    DT/2MAX                               
051251,000715: 13,3320           27342                                    MAXDT                                 
051252,000716: 13,3321           45345        DT/2COMP           DLOAD    DSU                                   
051253,000717: 13,3322           01115                                    TDEC                                  
051254,000718: 13,3323           01517                                    TET                                   
051255,000719: 13,3324           54234                           RTB      SL                                    
051256,000720: 13,3325           21613                                    SGNAGREE                              
051257,000721: 13,3326           20211                                    8D                                    
051258,000722: 13,3327           02076                           STORE    DT/2                                  #  B-19
051259,000723: 13,3330           51400                           BOV      ABS                                   
051260,000724: 13,3331           27346                                    GETMAXDT                              
051261,000725: 13,3332           50025                           DSU      BMN                                   #  IS TIME TO INTEG. TO GR THAN MAXTIME
051262,000726: 13,3333           00015                                    12D                                   
051263,000727: 13,3334           27352                                    P00HCHK                               
051264,000728: 13,3335           75345        USEMAXDT           DLOAD    SIGN                                  
051265,000729: 13,3336           00015                                    12D                                   
051266,000730: 13,3337           02076                                    DT/2                                  

Page 1210

051268,000732: 13,3340           36076                           STCALL   DT/2                                  
051269,000733: 13,3341           27352                                    P00HCHK                               
051270,000734: 13,3342           65345        MAXDT              DLOAD    PDDL                                  #  EXCHANGE DT/2MAX WITH COMPUTED MAX.
051271,000735: 13,3343           27411                                    DT/2MAX                               
051272,000736: 13,3344           77650                           GOTO                                           
051273,000737: 13,3345           27321                                    DT/2COMP                              
051274,000738: 13,3346           77634        GETMAXDT           RTB                                            
051275,000739: 13,3347           21713                                    SIGNMPAC                              
051276,000740: 13,3350           36076                           STCALL   DT/2                                  
051277,000741: 13,3351           27335                                    USEMAXDT                              
051278,000742: 13,3352           51545        P00HCHK            DLOAD    ABS                                   
051279,000743: 13,3353           02076                                    DT/2                                  
051280,000744: 13,3354           50025                           DSU      BMN                                   
051281,000745: 13,3355           27407                                    DT/2MIN                               
051282,000746: 13,3356           27160                                    A-PCHK                                
051283,000747: 13,3357           43014                           BOFF     BON                                   #  NO BACKWARDS INTEGRATION
051284,000748: 13,3360           01740                                    POOHFLAG                              #  WHEN IN POO
051285,000749: 13,3361           23311                                    TIMESTEP                              
051286,000750: 13,3362           01707                                    PRECIFLG                              
051287,000751: 13,3363           23311                                    TIMESTEP                              
051288,000752: 13,3364           45345                           DLOAD    DSU                                   
051289,000753: 13,3365           02076                                    DT/2                                  
051290,000754: 13,3366           00015                                    12D                                   
051291,000755: 13,3367           43040                           BMN      BOFCLR                                
051292,000756: 13,3370           27160                                    A-PCHK                                
051293,000757: 13,3371           04242                                    NEWIFLG                               
051294,000758: 13,3372           23311                                    TIMESTEP                              
051295,000759: 13,3373           45345                           DLOAD    DSU                                   
051296,000760: 13,3374           01115                                    TDEC                                  
051297,000761: 13,3375           01517                                    TET                                   
051298,000762: 13,3376           77640                           BMN                                            #  NO BACKWARD INTEGRATION
051299,000763: 13,3377           27226                                    INTEXIT                               
051300,000764: 13,3400           40525                           PDDL     SR4                                   
051301,000765: 13,3401           02076                                    DT/2                                  #  IS 4(DT) LS (TDEC - TET)
051302,000766: 13,3402           44322                           SR2R     BDSU                                  #  NO
051303,000767: 13,3403           52040                           BMN      GOTO                                  
051304,000768: 13,3404           27226                                    INTEXIT                               
051305,000769: 13,3405           23311                                    TIMESTEP                              
051306,000770: 13,3406           00000 01400  DT/2MIN            2DEC     3          B-20                       
051307,000771: 
051308,000772: 13,3410           14152 00000  DT/2MAX            2DEC     4000       E2         B-20            
051309,000773: 
051310,000774: 13,3412           77776        INTSTALL           EXIT                                           
051311,000775: 13,3413           30106                           CA       RASFLAG                               
051312,000776: 13,3414           73464                           MASK     INTBITAB                              #  IS THIS STALL AREA FREE
051313,000777: 13,3415           00006                           EXTEND                                         
051314,000778: 13,3416           13456                           BZF      OKTOGRAB                              #  YES
051315,000779: 13,3417           33463                           CAF      WAKESTAL                              
051316,000780: 13,3420           05133                           TC       JOBSLEEP                              
051317,000781: 13,3421           77776        INTWAKE0           EXIT                                           

Page 1211

051319,000783: 13,3422           13443                           TCF      INTWAKE1                              
051320,000784: 
051321,000785: 13,3423           40106        INTWAKE            CS       RASFLAG                               #  IS THIS INTSTALLED ROUTINE TO BE
051322,000786: 13,3424           74745                           MASK     REINTBIT                              #       RESTARTED
051323,000787: 13,3425           10000                           CCS      A                                     
051324,000788: 13,3426           03443                           TC       INTWAKE1                              #  NO
051325,000789: 
051326,000790: 13,3427           50120                           INDEX    FIXLOC                                
051327,000791: 13,3430           30052                           CA       QPRET                                 
051328,000792: 13,3431           55054                           TS       TBASE2                                #  YES, DONT RESTART WITH SOMEONE ELSES Q
051329,000793: 
051330,000794: 13,3432           05353                           TC       PHASCHNG                              
051331,000795: 13,3433           04022                           OCT      04022                                 
051332,000796: 
051333,000797: 13,3434           31054                           CA       TBASE2                                
051334,000798: 13,3435           50120                           INDEX    FIXLOC                                
051335,000799: 13,3436           54052                           TS       QPRET                                 
051336,000800: 
051337,000801: 13,3437           34745                           CAF      REINTBIT                              
051338,000802: 13,3440           70106                           MASK     RASFLAG                               
051339,000803: 13,3441           00006                           EXTEND                                         
051340,000804: 13,3442           13461                           BZF      GOBAC                                 #  DONT INTWAKE IF WE CAME HERE VIA RESTART
051341,000805: 
051342,000806: 13,3443           33463        INTWAKE1           CAF      WAKESTAL                              
051343,000807: 13,3444           00004                           INHINT                                         
051344,000808: 13,3445           05137                           TC       JOBWAKE                               
051345,000809: 13,3446           10064                           CCS      LOCCTR                                
051346,000810: 13,3447           13443                           TCF      INTWAKE1                              
051347,000811: 13,3450           00051        FORTYONE           DEC      41         B-14                       
051348,000812: 13,3451           43464                           CS       INTBITAB                              
051349,000813: 13,3452           70106                           MASK     RASFLAG                               
051350,000814: 13,3453           54106                           TS       RASFLAG                               #  RELEASE STALL AREA
051351,000815: 13,3454           00003                           RELINT                                         
051352,000816: 13,3455           13461                           TCF      GOBAC                                 
051353,000817: 13,3456           34736        OKTOGRAB           CAF      INTFLBIT                              
051354,000818: 13,3457           00004                           INHINT                                         
051355,000819: 13,3460           26106                           ADS      RASFLAG                               
051356,000820: 13,3461           06042        GOBAC              TC       INTPRET                               
051357,000821: 13,3462           77616                           RVQ                                            
051358,000822: 13,3463           27413        WAKESTAL           CADR     INTSTALL   +1                         
051359,000823: 13,3464           20100        INTBITAB           OCT      20100                                 
051360,000824: 

Page 1212

051362,000826:                                                                                                  #  AVETOMID
051363,000827: 
051364,000828:                                                                                                  #  THIS ROUTINE PERFORMS THE TRANSITION FROM A THRUSTING PHASE TO THE COAST
051365,000829:                                                                                                  #  PHASE BY INITIALIZING THIS VEHICLES PERMANENT STATE VECTOR WITH THE
051366,000830:                                                                                                  #  VALUES LEFT BY THE AVERAGEG ROUTINE IN RN,VN,PIPTIME.
051367,000831: 
051368,000832:                                                                                                  #  BEFORE THIS IS DONE THE W-MATRIX, IF ITS  VALID (OR WFLAG OR RENDWFLG IS
051369,000833:                                                                                                  #  SET) IS INTEGRATED FORWARD TO PIPTIME WITH THE PRE-THRUST STATE VECTOR.
051370,000834: 
051371,000835:                                                                                                  #  IN ADDITION, THE OTHER VEHICLE IS INTEGRATED (PERMANENT) TO PIPTIME.
051372,000836: 
051373,000837:                                                                                                  #  FINALLY TRKMKCNT IS ZEROED
051374,000838: 
051375,000839: 13,2000                                           SETLOC   INTINIT                               
051376,000840: 13,2000                                           BANK                                           
051377,000841: 
051378,000842: 13,3465                                           COUNT*   $$/INTIN                              
051379,000843: 13,3465           43020        AVETOMID           STQ      BON                                   
051380,000844: 13,3466           02772                                    EGRESS                                
051381,000845: 13,3467           02716                                    RENDWFLG                              
051382,000846: 13,3470           27534                                    INT/W                                 #  W-MATRIX VALID, GO INTEGRATE IT
051383,000847: 13,3471           77614                           BON                                            
051384,000848: 13,3472           01711                                    ORBWFLAG                              
051385,000849: 13,3473           27534                                    INT/W                                 #  W-MATRIX VALID, GO INTEGRATE IT
051386,000850: 
051387,000851: 13,3474           45145        OTHERS             DLOAD    CALL                                  #  GET SET FOR OTHER VEHICLE INTEGRATION
051388,000852: 13,3475           01234                                    PIPTIME                               #  DESIRED TIME
051389,000853: 13,3476           27412                                    INTSTALL                              
051390,000854: 13,3477           45014                           SET      CALL                                  
051391,000855: 13,3500           01474                                    VINTFLAG                              #  CM
051392,000856: 13,3501           26645                                    SETIFLGS                              #  SETS UP NONE W-MAT. PERMANENT INTEG.
051393,000857: 13,3502           34041                           STCALL   TDEC1                                 
051394,000858: 13,3503           27135                                    INTEGRV                               
051395,000859: 
051396,000860: 13,3504           45174                           AXT,2    CALL                                  #  NOW MOVE PROPERLY SCALE RN,UN AS WELL AS
051397,000861: 13,3505           00002                                    2                                     #  PIPTIME TO INTEGRATION ERASABLES.
051398,000862: 13,3506           27412                                    INTSTALL                              
051399,000863: 13,3507           77014                           BON      AXT,2                                 
051400,000864: 13,3510           04304                                    MOONTHIS                              
051401,000865: 13,3511           27513                                    +2                                    
051402,000866: 13,3512           00000                                    0                                     
051403,000867: 13,3513           53775                           VLOAD    VSR*                                  
051404,000868: 13,3514           01220                                    RN                                    
051405,000869: 13,3515           57176                                    0,2                                   
051406,000870: 13,3516           01503                           STORE    RRECT                                 
051407,000871: 13,3517           15535                           STODL    RCV                                   
051408,000872: 13,3520           01234                                    PIPTIME                               
051409,000873: 13,3521           25517                           STOVL    TET                                   
051410,000874: 13,3522           01226                                    VN                                    

Page 1213

051412,000876: 13,3523           45057                           VSR*     CALL                                  
051413,000877: 13,3524           57176                                    0,2                                   
051414,000878: 13,3525           27707                                    MINIRECT                              #  FINISH SETTING UP STATE VECTOR
051415,000879: 13,3526           66234                           RTB      SSP                                   
051416,000880: 13,3527           26750                                    MOVATHIS                              #  PUT TEMP STATE VECTOR INTO PERMANENT
051417,000881: 13,3530           03463                                    TRKMKCNT                              
051418,000882: 13,3531           00000                                    0                                     
051419,000883: 13,3532           77650                           GOTO                                           
051420,000884: 13,3533           47230                                    FAZAB5                                
051421,000885: 
051422,000886: 13,3534           45145        INT/W              DLOAD    CALL                                  
051423,000887: 13,3535           01234                                    PIPTIME                               #  INTEGRATE W THRU BURN
051424,000888: 13,3536           27412                                    INTSTALL                              
051425,000889: 13,3537           43014                           SET      SET                                   
051426,000890: 13,3540           01476                                    DIM0FLAG                              #  DO W-MATRIX
051427,000891: 13,3541           04476                                    AVEMIDSW                              #  SO WONT CLOBBER RN,VN,PIPTIME
051428,000892: 13,3542           43014                           SET      CLEAR                                 
051429,000893: 13,3543           01475                                    D6OR9FLG                              #  9X9 FOR LM
051430,000894: 13,3544           01674                                    VINTFLAG                              #  LM
051431,000895: 13,3545           34041                           STCALL   TDEC1                                 
051432,000896: 13,3546           27135                                    INTEGRV                               
051433,000897: 13,3547           77650                           GOTO                                           
051434,000898: 13,3550           27474                                    OTHERS                                #  NOW GO DO THE OTHER VEHICLE
051435,000899: 

Page 1214

051437,000901:                                                                                                  #  MIDTOAV1
051438,000902: 
051439,000903:                                                                                                  #  THIS ROUTINE INTEGRATES (PRECISION) TO THE TIME SPECIFIED IN TDEC1.
051440,000904:                                                                                                  #  IF, AT THE END OF AN INTEGRATION TIME STEP, CURRENT TIME PLUS A DELTA
051441,000905:                                                                                                  #  TIME (SEE TIMEDELT.....BASED ON THE COMPUTATUON TIME FOR ONE TIME STEP)
051442,000906:                                                                                                  #  IS GREATER THAN THE DESIRED TIME, ALARM 1703 IS SET AND THE INTEGRATION
051443,000907:                                                                                                  #  IS DONE TO THE CURRENT TIME.
051444,000908:                                                                                                  #  RETURN IS IN BASIC TO THE RETURN ADDRESS PLUS ONE.
051445,000909: 
051446,000910:                                                                                                  #  IF THE INTEGRATION IS FINISHED TO THE DESIRED TIME, RETURN IS IN BASIC
051447,000911:                                                                                                  #  TO THE RETURN ADDRESS
051448,000912: 
051449,000913:                                                                                                  #  IN EITHER CASE , BEFORE RETURNING, THE EXTRAPOLATED STATE VECTOR IS TRAN
051450,000914:                                                                                                  #  FERRED FROM R,VATT TO R,VN1-PIPTIME1 IS SET TO THE FINISHING INTEGRA-
051451,000915:                                                                                                  #  TION TIME AND MPAC IS SET TO THE DELTA TIME---
051452,000916:                                                                                                  #                                    TAT MINUS CURRENT TIME.
051453,000917: 
051454,000918:                                                                                                  #  MIDTOAV2
051455,000919: 
051456,000920:                                                                                                  #  THIS ROUTINE INTEGRATES THIS VEHICLES STATE VECTOR TO THE CURRENT TIME.
051457,000921:                                                                                                  #  NO INPUTS ARE REQUIRED OF THE CALLER. RETURN IS IN BASIC TO THE RETURN
051458,000922:                                                                                                  #  ADDRESS WITH THE ABOVE TRANSFERS TO R,VN1-PIPTIME1-AND MPAC DONE
051459,000923: 
051460,000924: 13,3551  E7,1744                                  EBANK=   IRETURN1                              
051461,000925: 13,3551           43020        MIDTOAV2           STQ      CLRGO                                 #  INTEGRATE TO PRESENT TIME PLUS TIMEDELT
051462,000926: 13,3552           03744                                    IRETURN1                              
051463,000927: 13,3553           04634                                    MID1FLAG                              
051464,000928: 13,3554           27570                                    ENTMID2                               
051465,000929: 
051466,000930: 13,3555           43020        MIDTOAV1           STQ      SET                                   #  INTEGRATE TO TDEC1
051467,000931: 13,3556           03744                                    IRETURN1                              
051468,000932: 13,3557           04474                                    MID1FLAG                              
051469,000933: 13,3560           43234                           RTB      DAD                                   #  INITIAL CHECK, IS TDEC1 IN THE FUTURE
051470,000934: 13,3561           21574                                    LOADTIME                              
051471,000935: 13,3562           27672                                    TIMEDELT                              
051472,000936: 13,3563           51021                           BDSU     BPL                                   
051473,000937: 13,3564           00041                                    TDEC1                                 
051474,000938: 13,3565           27574                                    ENTMID1                               #  Y5S
051475,000939: 13,3566           77624                           CALL                                           
051476,000940: 13,3567           27660                                    NOTIME                                #  NO, SET ALARM, SWITCH TO MIDTOAV2
051477,000941: 
051478,000942: 13,3570           43234        ENTMID2            RTB      DAD                                   
051479,000943: 13,3571           21574                                    LOADTIME                              
051480,000944: 13,3572           27672                                    TIMEDELT                              
051481,000945: 13,3573           00041                           STORE    TDEC1                                 
051482,000946: 
051483,000947: 13,3574           77624        ENTMID1            CALL                                           
051484,000948: 13,3575           27412                                    INTSTALL                              
051485,000949: 13,3576           45014                           CLEAR    CALL                                  

Page 1215

051487,000951: 13,3577           01676                                    DIM0FLAG                              #  NO W-MATRIX
051488,000952: 13,3600           26066                                    THISVINT                              
051489,000953: 13,3601           43014                           CLEAR    SET                                   
051490,000954: 13,3602           01673                                    INTYPFLG                              
051491,000955: 13,3603           04475                                    MIDAVFLG                              #  LET INTEG. KNOW THE CALL IS FOR MIDTOAV.
051492,000956: 13,3604           77624                           CALL                                           
051493,000957: 13,3605           27135                                    INTEGRV                               #   GO INTEGRATE
051494,000958: 13,3606           77214                           CLEAR    VLOAD                                 
051495,000959: 13,3607           04675                                    MIDAVFLG                              
051496,000960: 13,3610           00001                                    RATT                                  
051497,000961: 13,3611           27545                           STOVL    RN1                                   
051498,000962: 13,3612           00007                                    VATT                                  
051499,000963: 13,3613           17553                           STODL    VN1                                   
051500,000964: 13,3614           00015                                    TAT                                   
051501,000965: 13,3615           03561                           STORE    PIPTIME1                              
051502,000966: 13,3616           66134                           SXA,2    SXA,1                                 
051503,000967: 13,3617           02777                                    RTX2                                  
051504,000968: 13,3620           02776                                    RTX1                                  
051505,000969: 13,3621           77776                           EXIT                                           
051506,000970: 
051507,000971: 13,3622           00004                           INHINT                                         
051508,000972: 13,3623           00006                           EXTEND                                         
051509,000973: 13,3624           40025                           DCS      TIME2                                 
051510,000974: 13,3625           20155                           DAS      MPAC                                  
051511,000975: 13,3626           07262                           TC       TPAGREE                               
051512,000976: 
051513,000977: 13,3627           31744                           CA       IRETURN1                              
051514,000978: 13,3630           04640                           TC       BANKJUMP                              
051515,000979: 13,3631           47014        CKMID2             BOF      RTB                                   
051516,000980: 13,3632           04754                                    MID1FLAG                              
051517,000981: 13,3633           27650                                    MID2                                  
051518,000982: 13,3634           21574                                    LOADTIME                              
051519,000983: 13,3635           44215                           DAD      BDSU                                  
051520,000984: 13,3636           27672                                    TIMEDELT                              
051521,000985: 13,3637           01115                                    TDEC                                  
051522,000986: 13,3640           45044                           BPL      CALL                                  
051523,000987: 13,3641           27260                                    TESTLOOP                              #  YES
051524,000988: 13,3642           27660                                    NOTIME                                
051525,000989: 
051526,000990: 13,3643           43234        TIMEINC            RTB      DAD                                   
051527,000991: 13,3644           21574                                    LOADTIME                              
051528,000992: 13,3645           27672                                    TIMEDELT                              
051529,000993: 13,3646           35115                           STCALL   TDEC                                  
051530,000994: 13,3647           27260                                    TESTLOOP                              
051531,000995: 
051532,000996: 13,3650           45345        MID2               DLOAD    DSU                                   
051533,000997: 13,3651           01115                                    TDEC                                  
051534,000998: 13,3652           01517                                    TET                                   
051535,000999: 13,3653           45246                           ABS      DSU                                   
051536,001000: 13,3654           27670                                    3CSECS                                
051537,001001: 

Page 1216

051539,001003: 13,3655           52040                           BMN      GOTO                                  
051540,001004: 13,3656           27160                                    A-PCHK                                
051541,001005: 13,3657           27643                                    TIMEINC                               
051542,001006: 
051543,001007: 13,3660           77414        NOTIME             CLEAR    EXIT                                  #  TOO LATE
051544,001008: 13,3661           04674                                    MID1FLAG                              
051545,001009: 13,3662           25744                           INCR     IRETURN1                              #  SET ERROR EXIT (CALLOC +2)
051546,001010: 13,3663           05567                           TC       ALARM                                 #  INSUFFICIENT TIME FOR INTEGRATION --
051547,001011: 13,3664           01703                           OCT      1703                                  #     TIG WILL BE SLIPPED...
051548,001012: 13,3665           06042                           TC       INTPRET                               
051549,001013: 13,3666           77616                           RVQ                                            
051550,001014: 
051551,001015: 13,3667           00000 00003  3CSECS             2DEC     3          B-28                       
051552,001016: 
051553,001017: 13,3671           00000 03720  TIMEDELT           2DEC     2000       B-28                       
051554,001018: 
051555,001019: 27,3360                                           BANK     27                                    
051556,001020: 04,2000                                           SETLOC   UPDATE2                               
051557,001021: 04,2000                                           BANK                                           
051558,001022: 04,3147     1166                                  EBANK=   INTWAKUQ                              
051559,001023: 
051560,001024: 04,3147                                           COUNT*   $$/INTIN                              
051561,001025: 
051562,001026: 04,3147     1166               INTWAKUQ           =        INTWAK1Q                              #  TEMPORARY UNTIL NAME OF INTWAK1Q IS CHNG
051563,001027: 
051564,001028: 04,3147           00003        INTWAKEU           RELINT                                         
051565,001029: 04,3150           00006                           EXTEND                                         
051566,001030: 04,3151           23166                           QXCH     INTWAKUQ                              #  SAVE Q FOR RETURN
051567,001031: 
051568,001032: 04,3152           06042                           TC       INTPRET                               
051569,001033: 
051570,001034: 04,3153           53135                           SLOAD    BZE                                   #  IS THIS A CSM/LEM STATE VECTOR UPDATE
051571,001035: 04,3154           01502                                    UPSVFLAG                              #  REQUEST. IF NOT GO TO INTWAKUP.
051572,001036: 04,3155           11214                                    INTWAKUP                              
051573,001037: 
051574,001038: 04,3156           77775                           VLOAD                                          #  MOVE RRECT(6) AND VRECT(6) INTO
051575,001039: 04,3157           01503                                    RRECT                                 #       RCV(6)   AND VCV(6) RESPECTIVELY.
051576,001040: 04,3160           25535                           STOVL    RCV                                   
051577,001041: 04,3161           01511                                    VRECT                                 #  NOW GO TO 'RECTIFY +13D' TO
051578,001042: 04,3162           77624                           CALL                                           #  STORE VRECT INTO VCV  AND ZERO OUT
051579,001043: 04,3163           27710                                    RECTIFY    +13D                       #  TDELTAV(6),TNUV(6),TC(2) AND XKEP(2)
051580,001044: 04,3164           51535                           SLOAD    ABS                                   #  COMPARE ABSOLUTE VALUE OF 'UPSVFLAG'
051581,001045: 04,3165           01502                                    UPSVFLAG                              #  TO 'UPDATE MOON STATE VECTOR CODE'
051582,001046: 04,3166           53025                           DSU      BZE                                   #  TO DETERMINE WHETHER THE STATE VECTOR TO
051583,001047: 04,3167           11225                                    UPMNSVCD                              #  BE UPDATED IS IN THE EARTH OR LUNAR
051584,001048: 04,3170           11175                                    INTWAKEM                              #  SPHERE OF INFLUENCE.........
051585,001049: 04,3171           43174                           AXT,2    CLRGO                                 #  EARTH SPHERE OF INFLUENCE.
051586,001050: 04,3172           00000                           DEC      0          B-14                       
051587,001051: 04,3173           00223                                    MOONFLAG                              

Page 1217

051589,001053: 04,3174           11200                                    INTWAKEC                              
051590,001054: 04,3175           43174        INTWAKEM           AXT,2    SET                                   #  LUNAR SPHERE OF INFLUENCE.
051591,001055: 04,3176           00002                           DEC      2          B-14                       
051592,001056: 04,3177           00063                                    MOONFLAG                              
051593,001057: 04,3200           50135        INTWAKEC           SLOAD    BMN                                   #  COMMON CODING AFTER X2 INITIALIZED AND
051594,001058:                                                                                                  #  MOONFLAG SET (OR CLEARED).
051595,001059: 04,3201           01502                                    UPSVFLAG                              #  IS THIS A REQUEST FOR A LEM OR CSM
051596,001060: 04,3202           11210                                    INTWAKLM                              #   STATE VECTOR UPDATE......
051597,001061: 04,3203           77624                           CALL                                           #  UPDATE CSM STATE VECTOR
051598,001062: 04,3204           26662                                    ATOPCSM                               
051599,001063: 
051600,001064: 04,3205           52014                           CLEAR    GOTO                                  
051601,001065: 04,3206           01671                                    ORBWFLAG                              
051602,001066: 04,3207           11212                                    INTWAKEX                              
051603,001067: 
051604,001068: 04,3210           77624        INTWAKLM           CALL                                           #  UPDATE LM STATE VECTOR
051605,001069: 04,3211           26735                                    ATOPLEM                               
051606,001070: 
051607,001071: 04,3212           77614        INTWAKEX           CLEAR                                          
051608,001072: 04,3213           02676                                    RENDWFLG                              
051609,001073: 
051610,001074: 04,3214           45131        INTWAKUP           SSP      CALL                                  #  REMOVE :UPDATE STATE VECTOR INDICATOR:
051611,001075: 04,3215           01502                                    UPSVFLAG                              
051612,001076: 04,3216           00000                                    0                                     
051613,001077: 04,3217           27421                                    INTWAKE0                              #  RELEASE :GRAB: OF ORBIT INTEG
051614,001078: 04,3220           77776                           EXIT                                           
051615,001079: 
051616,001080: 04,3221           05353                           TC       PHASCHNG                              
051617,001081: 04,3222           04026                           OCT      04026                                 
051618,001082: 04,3223           01166                           TC       INTWAKUQ                              
051619,001083: 
051620,001084: 04,3224           00002        UPMNSVCD           OCT      2                                     
051621,001085: 04,3225           00000                           OCT      0                                     
051622,001086: 
051623,001087: 04,3226           77420        GRP2PC             STQ      EXIT                                  
051624,001088: 04,3227           02711                                    GRP2SVQ                               
051625,001089: 04,3230           05353                           TC       PHASCHNG                              
051626,001090: 04,3231           04022                           OCT      04022                                 
051627,001091: 04,3232           06042                           TC       INTPRET                               
051628,001092: 04,3233           77650                           GOTO                                           
051629,001093: 04,3234           02711                                    GRP2SVQ                               
051630,001094: 

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