Source Code

These source-code files are part of a reconstructed copy of Comanche 051, the original release of the Apollo 11 Command Module (CM) Apollo Guidance Computer (AGC) software.

The reconstruction began with source code of Comanche 055 previously transcribed from a digitized copy of that program. The code was then updated by undoing changes related to the R-2 lunar potential model, using hints from program comments and change-indicating asterisks in the Comanche 055 listing as a guide. The reconstruction was verified by matching memory-bank checksums to those listed in drawing 2021153D. Note that page numbers in the reconstructed code match those on the Comanche 055 printout, although the added code would likely have changed page numbers for a real Comanche 051 listing.

Comments from the original source code are prefixed with a single '#' symbol, whereas comments added later are prefixed by "##" or "###". Report any errors noted by creating an issue report at the Virtual AGC project's GitHub repository.

056718,000002:                                                                                                  ## Copyright:   Public domain.
056719,000003:                                                                                                  ## Filename:    ORBITAL_INTEGRATION.agc
056720,000004:                                                                                                  ## Purpose:     A section of Comanche revision 051.
056721,000005:                                                                                                  ##              It is part of the reconstructed source code for the
056722,000006:                                                                                                  ##              original release of the flight software for the Command
056723,000007:                                                                                                  ##              Module's (CM) Apollo Guidance Computer (AGC) for Apollo 11.
056724,000008:                                                                                                  ##              The code has been recreated from a copy of Comanche 055. It
056725,000009:                                                                                                  ##              has been adapted such that the resulting bugger words
056726,000010:                                                                                                  ##              exactly match those specified for Comanche 51 in NASA drawing
056727,000011:                                                                                                  ##              2021153D, which gives relatively high confidence that the
056728,000012:                                                                                                  ##              reconstruction is correct.
056729,000013:                                                                                                  ## Reference:   pp. 1334-1354
056730,000014:                                                                                                  ## Assembler:   yaYUL
056731,000015:                                                                                                  ## Contact:     Ron Burkey <info@sandroid.org>.
056732,000016:                                                                                                  ## Website:     www.ibiblio.org/apollo/index.html
056733,000017:                                                                                                  ## Mod history: 2019-07-30 MAS  Created from Comanche 55, and removed R-2
056734,000018:                                                                                                  ##                              lunar potential model code.
056735,000019: 

Page 1334

056737,000021:                                                                                                  #  DELETE
056738,000022: 13,3714                                           BANK     13                                    
056739,000023: 11,2000                                           SETLOC   ORBITAL                               
056740,000024: 11,2000                                           BANK                                           
056741,000025: 11,2372                                           COUNT    11/ORBIT                              
056742,000026: 
056743,000027:                                                                                                  #  DELETE
056744,000028: 11,2372           40354        KEPPREP            LXA,2    SETPD                                 
056745,000029: 11,2373           02150                                    PBODY                                 
056746,000030: 11,2374           00001                                    0                                     
056747,000031: 11,2375           75543                           DLOAD*   SQRT                                  #  SQRT(MU) (+18 OR +15)         0D      PL 2D
056748,000032: 11,2376           50042                                    MUEARTH,2                             
056749,000033: 11,2377           53515                           PDVL     UNIT                                  #                                        PL 8D
056750,000034: 11,2400           01535                                    RCV                                   
056751,000035: 11,2401           60325                           PDDL     NORM                                  #  NORM R (+29 OR +27 - N1)      2D      PL 4D
056752,000036: 11,2402           00045                                    36D                                   
056753,000037: 11,2403           00047                                    X1                                    
056754,000038: 11,2404           77715                           PDVL                                           
056755,000039: 11,2405           65241                           DOT      PDDL                                  #  F*SQRT(MU) (+7 OR +5)         4D      PL 6D
056756,000040: 11,2406           01543                                    VCV                                   
056757,000041: 11,2407           02312                                    TAU.                                  #  (+28)
056758,000042: 11,2410           60225                           DSU      NORM                                  
056759,000043: 11,2411           01551                                    TC                                    
056760,000044: 11,2412           00051                                    S1                                    
056761,000045: 11,2413           77742                           SR1                                            
056762,000046: 11,2414           65271                           DDV      PDDL                                  
056763,000047: 11,2415           00003                                    2D                                    
056764,000048: 11,2416           41405                           DMP      PUSH                                  #  FS (+6 +N1-N2)                6D      PL 8D
056765,000049: 11,2417           00005                                    4D                                    
056766,000050: 11,2420           65316                           DSQ      PDDL                                  #  (FS)SQ (+12 +2(N1-N2))        8D      PL 10D
056767,000051: 11,2421           00005                                    4D                                    
056768,000052: 11,2422           64716                           DSQ      PDDL*                                 #  SSQ/MU (-2 OR +2(N1-N2))      10D     PL 12D
056769,000053: 11,2423           50042                                    MUEARTH,2                             
056770,000054: 11,2424           40442                           SR3      SR4                                   
056771,000055: 11,2425           47515                           PDVL     VSQ                                   #  PREALIGN MU (+43 OR +37)      12D     PL 14D
056772,000056: 11,2426           01543                                    VCV                                   
056773,000057: 11,2427           44205                           DMP      BDSU                                  #                                        PL 12D
056774,000058: 11,2430           00045                                    36D                                   
056775,000059: 11,2431           41271                           DDV      DMP                                   #                                        PL 10D
056776,000060: 11,2432           00003                                    2D                                    #  -(1/R-ALPHA) (+12 +3N1-2N2)
056777,000061: 11,2433           53605                           DMP      SL*                                   
056778,000062: 11,2434           23774                                    DP2/3                                 
056779,000063: 11,2435           20176                                    0          -3,1                       #  10L(1/R-ALPHA) (+13 +2(N1-N2))
056780,000064: 11,2436           43260                           XSU,1    DAD                                   #  2(FS)SQ - ETCETRA                     PL 8D
056781,000065: 11,2437           00050                                    S1                                    #  X1 = N2-N1
056782,000066: 11,2440           45257                           SL*      DSU                                   #  -FS+2(FS)SQ ETC (+6 +N1-N2)           PL 6D
056783,000067: 11,2441           20211                                    8D,1                                  
056784,000068: 11,2442           41205                           DMP      DMP                                   
056785,000069: 11,2443           00001                                    0D                                    
056786,000070: 11,2444           00005                                    4D                                    
056787,000071: 11,2445           53657                           SL*      SL*                                   

Page 1335

056789,000073: 11,2446           20211                                    8D,1                                  
056790,000074: 11,2447           20201                                    0,1                                   #  S(-FS(1-2FS)-1/6...) (+17 OR +16)
056791,000075: 11,2450           65215                           DAD      PDDL                                  #                                        PL 6D
056792,000076: 11,2451           01553                                    XKEP                                  
056793,000077: 11,2452           53605                           DMP      SL*                                   #  S(+17 OR +16)
056794,000078: 11,2453           00001                                    0D                                    
056795,000079: 11,2454           20202                                    1,1                                   
056796,000080: 11,2455           43204                           BOVB     DAD                                   
056797,000081: 11,2456           57352                                    TCDANZIG                              
056798,000082: 11,2457           77626                           STADR                                          
056799,000083: 11,2460           75471                           STORE    XKEPNEW                               
056800,000084: 11,2461           74020                           STQ      AXC,1                                 
056801,000085: 11,2462           02270                                    KEPRTN                                
056802,000086: 11,2463           00012                           DEC      10         B-14                       
056803,000087: 11,2464           74014                           BON      AXC,1                                 
056804,000088: 11,2465           00303                                    MOONFLAG                              
056805,000089: 11,2466           24042                                    KEPLERN                               
056806,000090: 11,2467           00002                           DEC      2          B-14                       
056807,000091: 11,2470           77650                           GOTO                                           
056808,000092: 11,2471           24042                                    KEPLERN                               
056809,000093: 

Page 1336

056811,000095: 11,2472           66350        FBR3               LXA,1    SSP                                   
056812,000096: 11,2473           01500                                    DIFEQCNT                              
056813,000097: 11,2474           00051                                    S1                                    
056814,000098: 11,2475           77762                           DEC      -13        B-14                       
056815,000099: 11,2476           54345                           DLOAD    SR                                    
056816,000100: 11,2477           02314                                    DT/2                                  
056817,000101: 11,2500           20612                                    9D                                    
056818,000102: 11,2501           61500                           TIX,1    ROUND                                 
056819,000103: 11,2502           22503                                    +1                                    
056820,000104: 11,2503           43206                           PUSH     DAD                                   
056821,000105: 11,2504           01551                                    TC                                    
056822,000106: 11,2505           16312                           STODL    TAU.                                  
056823,000107: 11,2506           77615                           DAD                                            
056824,000108: 11,2507           01517                                    TET                                   
056825,000109: 11,2510           35517                           STCALL   TET                                   
056826,000110: 11,2511           22372                                    KEPPREP                               
056827,000111: 

Page 1337

056829,000113:                                                                                                  #  AGC ROUTINE TO COMPUTE ACCELERATION COMPONENTS.
056830,000114: 
056831,000115: 11,2512           73150        ACCOMP             LXA,1    LXA,2                                 
056832,000116: 11,2513           02150                                    PBODY                                 
056833,000117: 11,2514           02150                                    PBODY                                 
056834,000118: 11,2515           77775                           VLOAD                                          
056835,000119: 11,2516           11566                                    ZEROVEC                               
056836,000120: 11,2517           26202                           STOVL    FV                                    
056837,000121: 11,2520           02152                                    ALPHAV                                
056838,000122: 11,2521           53257                           VSL*     VAD                                   
056839,000123: 11,2522           57605                                    0          -7,2                       
056840,000124: 11,2523           01535                                    RCV                                   
056841,000125: 11,2524           02160                           STORE    BETAV                                 
056842,000126: 11,2525           65014                           BOF      XCHX,2                                
056843,000127: 11,2526           01756                                    DIM0FLAG                              
056844,000128: 11,2527           22534                                    +5                                    
056845,000129: 11,2530           01500                                    DIFEQCNT                              
056846,000130: 11,2531           12217                           STORE    VECTAB,2                              
056847,000131: 11,2532           77724                           XCHX,2                                         
056848,000132: 11,2533           01500                                    DIFEQCNT                              
056849,000133: 11,2534           53575                           VLOAD    UNIT                                  
056850,000134: 11,2535           02152                                    ALPHAV                                
056851,000135: 11,2536           16152                           STODL    ALPHAV                                
056852,000136: 11,2537           00045                                    36D                                   
056853,000137: 11,2540           02310                           STORE    ALPHAM                                
056854,000138: 11,2541           77624                           CALL                                           
056855,000139: 11,2542           22636                                    GAMCOMP                               
056856,000140: 11,2543           66175                           VLOAD    SXA,1                                 
056857,000141: 11,2544           02160                                    BETAV                                 
056858,000142: 11,2545           00051                                    S2                                    
056859,000143: 11,2546           16152                           STODL    ALPHAV                                
056860,000144: 11,2547           02210                                    BETAM                                 
056861,000145: 11,2550           02310                           STORE    ALPHAM                                
056862,000146: 11,2551           71214                           BOF      DLOAD                                 
056863,000147: 11,2552           00342                                    MIDFLAG                               
056864,000148: 11,2553           23010                                    OBLATE                                
056865,000149: 11,2554           01517                                    TET                                   
056866,000150: 11,2555           77624                           CALL                                           
056867,000151: 11,2556           54110                                    LSPOS                                 
056868,000152: 11,2557           72174                           AXT,2    LXA,1                                 
056869,000153: 11,2560           00002                                    2                                     
056870,000154: 11,2561           00051                                    S2                                    
056871,000155: 11,2562           77614                           BOF                                            
056872,000156: 11,2563           00343                                    MOONFLAG                              
056873,000157: 11,2564           22567                                    +3                                    
056874,000158: 11,2565           77076                           VCOMP    AXT,2                                 
056875,000159: 11,2566           00000                                    0                                     
056876,000160: 11,2567           02160                           STORE    BETAV                                 
056877,000161: 11,2570           26263                           STOVL    RPQV                                  

Page 1338

056879,000163: 11,2571           00003                                    2D                                    
056880,000164: 11,2572           02300                           STORE    RPSV                                  
056881,000165: 11,2573           77214                           BOF      VLOAD                                 
056882,000166: 11,2574           01756                                    DIM0FLAG                              
056883,000167: 11,2575           22610                                    GETRPSV                               
056884,000168: 11,2576           02152                                    ALPHAV                                
056885,000169: 11,2577           53761                           VXSC     VSR*                                  
056886,000170: 11,2600           02310                                    ALPHAM                                
056887,000171: 11,2601           57175                                    1,2                                   
056888,000172: 11,2602           65051                           VSU      XCHX,2                                
056889,000173: 11,2603           02160                                    BETAV                                 
056890,000174: 11,2604           01500                                    DIFEQCNT                              
056891,000175: 11,2605           12225                           STORE    VECTAB     +6,2                       
056892,000176: 11,2606           77724                           XCHX,2                                         
056893,000177: 11,2607           01500                                    DIFEQCNT                              
056894,000178: 11,2610           62175        GETRPSV            VLOAD    INCR,1                                
056895,000179: 11,2611           02263                                    RPQV                                  
056896,000180: 11,2612           00004                                    4                                     
056897,000181: 11,2613           43014                           CLEAR    BOF                                   
056898,000182: 11,2614           04260                                    RPQFLAG                               
056899,000183: 11,2615           00343                                    MOONFLAG                              
056900,000184: 11,2616           22623                                    +5                                    
056901,000185: 11,2617           53261                           VSR      VAD                                   
056902,000186: 11,2620           20612                                    9D                                    
056903,000187: 11,2621           02300                                    RPSV                                  
056904,000188: 11,2622           02300                           STORE    RPSV                                  
056905,000189: 11,2623           77624                           CALL                                           
056906,000190: 11,2624           22636                                    GAMCOMP                               
056907,000191: 11,2625           62174                           AXT,2    INCR,1                                
056908,000192: 11,2626           00004                                    4                                     
056909,000193: 11,2627           00004                                    4                                     
056910,000194: 11,2630           77775                           VLOAD                                          
056911,000195: 11,2631           02300                                    RPSV                                  
056912,000196: 11,2632           36160                           STCALL   BETAV                                 
056913,000197: 11,2633           22636                                    GAMCOMP                               
056914,000198: 11,2634           77650                           GOTO                                           
056915,000199: 11,2635           23010                                    OBLATE                                
056916,000200: 11,2636           74575        GAMCOMP            VLOAD    VSR1                                  
056917,000201: 11,2637           02160                                    BETAV                                 
056918,000202: 11,2640           40236                           VSQ      SETPD                                 
056919,000203: 11,2641           00001                                    0                                     
056920,000204: 11,2642           61501                           NORM     ROUND                                 
056921,000205: 11,2643           00040                                    31D                                   
056922,000206: 11,2644           60325                           PDDL     NORM                                  #  NORMED B SQUARED TO PD LIST
056923,000207: 11,2645           02310                                    ALPHAM                                #  NORMALIZE (LESS ONE) LENGTH OF ALPHA
056924,000208: 11,2646           00041                                    32D                                   #  SAVING NORM SCALE FACTOR IN X1
056925,000209: 11,2647           63342                           SR1      PDVL                                  
056926,000210: 11,2650           02160                                    BETAV                                 #  C(PDL+2) = ALMOST NORMED ALPHA
056927,000211: 11,2651           77656                           UNIT                                           
056928,000212: 11,2652           16160                           STODL    BETAV                                 

Page 1339

056930,000214: 11,2653           00045                                    36D                                   
056931,000215: 11,2654           02210                           STORE    BETAM                                 
056932,000216: 11,2655           55301                           NORM     BDDV                                  #  FORM NORMALIZED QUOTIENT ALPHAM/BETAM
056933,000217: 11,2656           00042                                    33D                                   
056934,000218: 11,2657           41562                           SR1R     PUSH                                  #  C(PDL+2) = ALMOST NORMALIZED RHO.
056935,000219: 11,2660           77743                           DLOAD*                                         
056936,000220: 11,2661           27727                                    ASCALE,1                              
056937,000221: 11,2662           00051                           STORE    S1                                    
056938,000222: 11,2663           57124                           XCHX,2   XAD,2                                 
056939,000223: 11,2664           00050                                    S1                                    
056940,000224: 11,2665           00040                                    32D                                   
056941,000225: 11,2666           71264                           XSU,2    DLOAD                                 
056942,000226: 11,2667           00041                                    33D                                   
056943,000227: 11,2670           00003                                    2D                                    
056944,000228: 11,2671           65057                           SR*      XCHX,2                                
056945,000229: 11,2672           57177                                    0          -1,2                       
056946,000230: 11,2673           00050                                    S1                                    
056947,000231: 11,2674           74406                           PUSH     SR1R                                  #  RHO/4 TO 4D
056948,000232: 11,2675           50315                           PDVL     DOT                                   
056949,000233: 11,2676           02152                                    ALPHAV                                
056950,000234: 11,2677           02160                                    BETAV                                 
056951,000235: 11,2700           44372                           SL1R     BDSU                                  #  (RHO/4) - 2(ALPHAV/2.BETAV/2)
056952,000236: 11,2701           57206                           PUSH     DMPR                                  #  TO PDL+6
056953,000237: 11,2702           00005                                    4                                     
056954,000238: 11,2703           77752                           SL1                                            
056955,000239: 11,2704           43206                           PUSH     DAD                                   
056956,000240: 11,2705           23756                                    DQUARTER                              
056957,000241: 11,2706           75406                           PUSH     SQRT                                  
056958,000242: 11,2707           41475                           DMPR     PUSH                                  
056959,000243: 11,2710           00013                                    10D                                   
056960,000244: 11,2711           43352                           SL1      DAD                                   
056961,000245: 11,2712           23756                                    DQUARTER                              
056962,000246: 11,2713           43325                           PDDL     DAD                                   #  (1/4)+2((Q+1)/4)      TO PD+14D
056963,000247: 11,2714           00013                                    10D                                   
056964,000248: 11,2715           11564                                    HALFDP                                
056965,000249: 11,2716           72475                           DMPR     SL1                                   
056966,000250: 11,2717           00011                                    8D                                    
056967,000251: 11,2720           56215                           DAD      DDV                                   
056968,000252: 11,2721           23750                                    THREE/8                               
056969,000253: 11,2722           00017                                    14D                                   
056970,000254: 11,2723           74275                           DMPR     VXSC                                  
056971,000255: 11,2724           00007                                    6                                     
056972,000256: 11,2725           02160                                    BETAV                                 #                -
056973,000257: 11,2726           64515                           PDVL     VSR3                                  #  (G/2)(C(PD+4))B/2 TO PD+16D
056974,000258: 11,2727           02152                                    ALPHAV                                
056975,000259: 11,2730           41455                           VAD      PUSH                                  #  A12 + C(PD+16D) TO PD+16D
056976,000260: 11,2731           41345                           DLOAD    DMP                                   
056977,000261: 11,2732           00001                                    0                                     
056978,000262: 11,2733           00015                                    12D                                   #  -
056979,000263: 11,2734           61501                           NORM     ROUND                                 

Page 1340

056981,000265: 11,2735           00037                                    30D                                   
056982,000266: 11,2736           40665                           BDDV     DMP*                                  
056983,000267: 11,2737           00003                                    2                                     
056984,000268: 11,2740           50042                                    MUEARTH,2                             
056985,000269: 11,2741           74276                           DCOMP    VXSC                                  
056986,000270: 11,2742           57124                           XCHX,2   XAD,2                                 
056987,000271: 11,2743           00050                                    S1                                    
056988,000272: 11,2744           00051                                    S2                                    
056989,000273: 11,2745           55064                           XSU,2    XSU,2                                 
056990,000274: 11,2746           00036                                    30D                                   
056991,000275: 11,2747           00037                                    31D                                   
056992,000276: 11,2750           77600                           BOV                                            #  CLEAR OVIND
056993,000277: 11,2751           22752                                    +1                                    
056994,000278: 11,2752           65057                           VSR*     XCHX,2                                
056995,000279: 11,2753           57177                                    0          -1,2                       
056996,000280: 11,2754           00050                                    S1                                    
056997,000281: 11,2755           77655                           VAD                                            
056998,000282: 11,2756           02202                                    FV                                    
056999,000283: 11,2757           02202                           STORE    FV                                    
057000,000284: 11,2760           43400                           BOV      RVQ                                   #  RETURN IF NO OVERFLOW
057001,000285: 11,2761           22762                                    +1                                    
057002,000286: 11,2762           51575        GOBAQUE            VLOAD    ABVAL                                 
057003,000287: 11,2763           01521                                    TDELTAV                               
057004,000288: 11,2764           77654                           BZE                                            
057005,000289: 11,2765           23005                                    INT-ABRT                              
057006,000290: 11,2766           54345                           DLOAD    SR                                    
057007,000291: 11,2767           02212                                    H                                     
057008,000292: 11,2770           20612                                    9D                                    
057009,000293: 11,2771           44206                           PUSH     BDSU                                  
057010,000294: 11,2772           01551                                    TC                                    
057011,000295: 11,2773           16312                           STODL    TAU.                                  
057012,000296: 11,2774           01517                                    TET                                   
057013,000297: 11,2775           45425                           DSU      STADR                                 
057014,000298: 11,2776           42260                           STCALL   TET                                   
057015,000299: 11,2777           22372                                    KEPPREP                               
057016,000300: 11,3000           77624                           CALL                                           
057017,000301: 11,3001           23421                                    RECTIFY                               
057018,000302: 11,3002           77614                           SETGO                                          
057019,000303: 11,3003           04020                                    RPQFLAG                               
057020,000304: 11,3004           27305                                    TESTLOOP                              
057021,000305: 
057022,000306: 11,3005           77776        INT-ABRT           EXIT                                           
057023,000307: 11,3006           05721                           TC       POODOO                                
057024,000308: 11,3007           00430                           OCT      00430                                 
057025,000309: 

Page 1341

057027,000311:                                                                                                  #  THE OBLATE ROUTINE COMPUTES THE ACCELERATION DUE TO OBLATENESS.  IT USES THE UNIT OF THE VEHICLE
057028,000312:                                                                                                  #  POSITION VECTOR FOUND IN ALPHAV AND THE DISTANCE TO THE CENTER IN ALPHAM.  THIS IS ADDED TO THE SUM OF THE
057029,000313:                                                                                                  #  DISTURBING ACCELERATIONS IN FV AND THE PROPER DIFEQ STAGE IS CALLED VIA X1.
057030,000314: 
057031,000315: 11,3010           71354        OBLATE             LXA,2    DLOAD                                 
057032,000316: 11,3011           02150                                    PBODY                                 
057033,000317: 11,3012           02310                                    ALPHAM                                
057034,000318: 11,3013           44601                           SETPD    DSU*                                  
057035,000319: 11,3014           00001                                    0                                     
057036,000320: 11,3015           50010                                    RDE,2                                 
057037,000321: 11,3016           43044                           BPL      BOF                                   #  GET URPV
057038,000322: 11,3017           23220                                    NBRANCH                               
057039,000323: 11,3020           00343                                    MOONFLAG                              
057040,000324: 11,3021           23227                                    COSPHIE                               
057041,000325: 11,3022           65375                           VLOAD    PDDL                                  
057042,000326: 11,3023           02152                                    ALPHAV                                
057043,000327: 11,3024           01517                                    TET                                   
057044,000328: 11,3025           45125                           PDDL     CALL                                  
057045,000329: 11,3026           23746                                    3/5                                   
057046,000330: 11,3027           55371                                    R-TO-RP                               
057047,000331: 11,3030           00017                           STORE    URPV                                  
057048,000332: 11,3031           47375                           VLOAD    VXV                                   
057049,000333: 11,3032           02012                                    504LM                                 
057050,000334: 11,3033           11560                                    ZUNIT                                 
057051,000335: 11,3034           61255                           VAD      VXM                                   
057052,000336: 11,3035           11560                                    ZUNIT                                 
057053,000337: 11,3036           00025                                    MMATRIX                               
057054,000338: 11,3037           77656                           UNIT                                           #  POSSIBLY UNNECESSARY
057055,000339: 11,3040           00025        COMTERM            STORE    UZ                                    
057056,000340: 11,3041           57345                           DLOAD    DMPR                                  
057057,000341: 11,3042           00023                                    COSPHI/2                              
057058,000342: 11,3043           23760                                    3/32                                  
057059,000343: 11,3044           63525                           PDDL     DSQ                                   #  P2/64 TO PD0
057060,000344: 11,3045           00023                                    COSPHI/2                              
057061,000345: 11,3046           45275                           DMPR     DSU                                   
057062,000346: 11,3047           23762                                    15/16                                 
057063,000347: 11,3050           23754                                    3/64                                  
057064,000348: 11,3051           57206                           PUSH     DMPR                                  #  P3/32 TO PD2
057065,000349: 11,3052           00023                                    COSPHI/2                              
057066,000350: 11,3053           76405                           DMP      SL1R                                  
057067,000351: 11,3054           23766                                    7/12                                  
057068,000352: 11,3055           57325                           PDDL     DMPR                                  
057069,000353: 11,3056           00001                                    0                                     
057070,000354: 11,3057           23774                                    2/3                                   
057071,000355: 11,3060           41421                           BDSU     PUSH                                  #  P4/128 TO PD4
057072,000356: 11,3061           57275                           DMPR     DMPR                                  
057073,000357: 11,3062           00023                                    COSPHI/2                              #  BEGIN COMPUTING P5/1024
057074,000358: 11,3063           23770                                    9/16                                  
057075,000359: 11,3064           57325                           PDDL     DMPR                                  
057076,000360: 11,3065           00003                                    2                                     
057077,000361: 11,3066           23772                                    5/128                                 
057078,000362: 11,3067           77621                           BDSU                                           
057079,000363: 11,3070           77603                           DMP*                                           
057080,000364: 11,3071           50036                                    J4REQ/J3,2                            
057081,000365: 11,3072           43271                           DDV      DAD                                   #               -3
057082,000366: 11,3073           02310                                    ALPHAM                                #  (((P5/256)B 2  /R+P4/32)  /R+P3/8)ALPHAV
057083,000367: 11,3074           00005                                    4                                     #             4             3
057084,000368: 11,3075           56273                           DMPR*    DDV                                   
057085,000369: 11,3076           50032                                    2J3RE/J2,2                            
057086,000370: 11,3077           02310                                    ALPHAM                                
057087,000371: 11,3100           74215                           DAD      VXSC                                  
057088,000372: 11,3101           00003                                    2                                     
057089,000373: 11,3102           02152                                    ALPHAV                                
057090,000374: 11,3103           14033                           STODL    TVEC                                  
057091,000375: 11,3104           70403                           DMP*     SR1                                   
057092,000376: 11,3105           50036                                    J4REQ/J3,2                            
057093,000377: 11,3106           43271                           DDV      DAD                                   
057094,000378: 11,3107           02310                                    ALPHAM                                #                 -3
057095,000379: 11,3110           50473                           DMPR*    SR3                                   
057096,000380: 11,3111           50032                                    2J3RE/J2,2                            #   3           4
057097,000381: 11,3112           43271                           DDV      DAD                                   
057098,000382: 11,3113           02310                                    ALPHAM                                
057099,000383: 11,3114           76561                           VXSC     VSL1                                  
057100,000384: 11,3115           00025                                    UZ                                    
057101,000385: 11,3116           77645                           BVSU                                           
057102,000386: 11,3117           00033                                    TVEC                                  
057103,000387: 11,3120           14033                           STODL    TVEC                                  
057104,000388: 11,3121           02310                                    ALPHAM                                
057105,000389: 11,3122           63501                           NORM     DSQ                                   
057106,000390: 11,3123           00047                                    X1                                    
057107,000391: 11,3124           60316                           DSQ      NORM                                  
057108,000392: 11,3125           00051                                    S1                                    #          4
057109,000393: 11,3126           54606                           PUSH     BDDV*                                 #  NORMED R  TO 0D
057110,000394: 11,3127           50026                                    J2REQSQ,2                             
057111,000395: 11,3130           77761                           VXSC                                           
057112,000396: 11,3131           00033                                    TVEC                                  
057113,000397: 11,3132           00033                           STORE    TVEC                                  
057114,000398: 11,3133           56070                           XAD,1    XAD,1                                 
057115,000399: 11,3134           00046                                    X1                                    
057116,000400: 11,3135           00046                                    X1                                    
057117,000401: 11,3136           43070                           XAD,1    BOF                                   
057118,000402: 11,3137           00050                                    S1                                    
057119,000403: 11,3140           00343                                    MOONFLAG                              
057120,000404: 11,3141           23210                                    NBRANCH1                              
057121,000405: 11,3142           63545                           DLOAD    DSQ                                   #   2
057122,000406: 11,3143           00017                                    URPV                                  #  X  B-2 TO 2D
057123,000407: 11,3144           63525                           PDDL     DSQ                                   
057124,000408: 11,3145           00021                                    URPV       +2                         #   2  2
057125,000409: 11,3146           65215                           DAD      PDDL                                  #  Y +X  B-2 TO 2D
057126,000410: 11,3147           00003                                    2D                                    
057127,000411: 11,3150           45352                           SL1      DSU                                   
057128,000412: 

Page 1232

057130,000414: 11,3151           00003                                    2D                                    
057131,000415: 11,3152           41525                           PDDL     PUSH                                  #  X -Y  B-2 TO 4D  COSPHI2 TO 6D
057132,000416: 11,3153           00023                                    COSPHI/2                              
057133,000417: 11,3154           65361                           VXSC     PDDL                                  #  2COSPHI(UZ) B-3 TO 6D
057134,000418: 11,3155           00025                                    UZ                                    
057135,000419: 11,3156           45316                           DSQ      DSU                                   
057136,000420: 11,3157           23746                                    3/5                                   #    2   2      2
057137,000421: 11,3160           52405                           DMP      SL3                                   #  (X -Y)((5COS (PHI)-3)UR 2COS(PHI)UZ)
057138,000422: 11,3161           27755                                    5/8                                   
057139,000423: 11,3162           52361                           VXSC     VSU                                   #       B-3 TO 4D
057140,000424: 11,3163           02152                                    ALPHAV                                
057141,000425: 11,3164           72561                           VXSC     VSL2                                  
057142,000426: 11,3165           77725                           PDDL                                           
057143,000427: 11,3166           00017                                    URPV                                  
057144,000428: 11,3167           63205                           DMP      PDVL                                  #  XY B-2 TO 10D
057145,000429: 11,3170           00021                                    URPV       +2                         
057146,000430: 11,3171           02152                                    ALPHAV                                
057147,000431: 11,3172           74235                           VXV      VXSC                                  
057148,000432: 11,3173           00025                                    UZ                                    
057149,000433: 11,3174           53332                           VSL3     VAD                                   #  4XY(UR X UZ) +D( 4D) B-3
057150,000434: 11,3175           77725                           PDDL                                           
057151,000435: 11,3176           41301                           NORM     DMP                                   
057152,000436: 11,3177           00050                                    X2                                    
057153,000437: 11,3200           00001                                    0D                                    #  3J22R2MU/(X +Y )R
057154,000438: 11,3201           74265                           BDDV     VXSC                                  
057155,000439: 11,3202           27753                                    3J22R2MU                              
057156,000440: 11,3203           53257                           VSL*     VAD                                   
057157,000441: 11,3204           57605                                    0          -7,2                       
057158,000442: 11,3205           00033                                    TVEC                                  
057159,000443: 11,3206           77754                           LXA,2                                          
057160,000444: 11,3207           02150                                    PBODY                                 
057161,000445: 11,3210           77600        NBRANCH1           BOV                                            
057162,000446: 11,3211           23212                                    +1                                    
057163,000447: 11,3212           53257                           VSL*     VAD                                   
057164,000448: 11,3213           20153                                    0          -22D,1                     
057165,000449: 11,3214           02202                                    FV                                    
057166,000450: 11,3215           02202                           STORE    FV                                    
057167,000451: 11,3216           77600                           BOV                                            
057168,000452: 11,3217           22762                                    GOBAQUE                               

Page 1344

057170,000454: 11,3220           72135        NBRANCH            SLOAD    LXA,1                                 
057171,000455: 11,3221           01501                                    DIFEQCNT                              
057172,000456: 11,3222           00154                                    MPAC                                  
057173,000457: 11,3223           73205                           DMP      CGOTO                                 
057174,000458: 11,3224           27757                                    -1/12                                 
057175,000459: 11,3225           00155                                    MPAC                                  
057176,000460: 11,3226           23235                                    DIFEQTAB                              
057177,000461: 11,3227           77745        COSPHIE            DLOAD                                          
057178,000462: 11,3230           02156                                    ALPHAV     +4                         
057179,000463: 11,3231           24023                           STOVL    COSPHI/2                              
057180,000464: 11,3232           11560                                    ZUNIT                                 
057181,000465: 11,3233           77650                           GOTO                                           
057182,000466: 11,3234           23040                                    COMTERM                               
057183,000467: 11,3235           23446        DIFEQTAB           CADR     DIFEQ+0                               
057184,000468: 11,3236           23452                           CADR     DIFEQ+1                               
057185,000469: 11,3237           23463                           CADR     DIFEQ+2                               
057186,000470: 
057187,000471: 11,3240           45014        TIMESTEP           BOF      CALL                                  
057188,000472: 11,3241           00342                                    MIDFLAG                               
057189,000473: 11,3242           23246                                    RECTEST                               #  SKIP ORIGIN CHANGE LOGIC
057190,000474: 11,3243           23320                                    CHKSWTCH                              
057191,000475: 11,3244           77640                           BMN                                            
057192,000476: 11,3245           23355                                    DOSWITCH                              
057193,000477: 
057194,000478: 11,3246           51575        RECTEST            VLOAD    ABVAL                                 #  RECTIFY IF
057195,000479: 11,3247           01521                                    TDELTAV                               
057196,000480: 11,3250           77600                           BOV                                            
057197,000481: 11,3251           23274                                    CALLRECT                              
057198,000482: 11,3252           51025                           DSU      BPL                                   #        1) EITHER TDELTAV OR TNUV EQUALS OR
057199,000483: 11,3253           23764                                    3/4                                   #           EXCEEDS 3/4 IN MAGNITUDE
057200,000484: 11,3254           23274                                    CALLRECT                              
057201,000485: 11,3255           53615                           DAD      SL*                                   #                        OR
057202,000486: 11,3256           23764                                    3/4                                   
057203,000487: 11,3257           57605                                    0          -7,2                       #        2) ABVAL(TDELTAV) EQUALS OR EXCEEDS
057204,000488: 11,3260           45271                           DDV      DSU                                   #           .01(ABVAL(RCV))
057205,000489: 11,3261           00013                                    10D                                   
057206,000490: 11,3262           27761                                    RECRATIO                              
057207,000491: 11,3263           77244                           BPL      VLOAD                                 
057208,000492: 11,3264           23274                                    CALLRECT                              
057209,000493: 11,3265           01527                                    TNUV                                  
057210,000494: 11,3266           45246                           ABVAL    DSU                                   
057211,000495: 11,3267           23764                                    3/4                                   
057212,000496: 11,3270           77600                           BOV                                            
057213,000497: 11,3271           23274                                    CALLRECT                              
057214,000498: 11,3272           77640                           BMN                                            
057215,000499: 11,3273           23276                                    INTGRATE                              
057216,000500: 11,3274           77624        CALLRECT           CALL                                           
057217,000501: 11,3275           23421                                    RECTIFY                               
057218,000502: 11,3276           77775        INTGRATE           VLOAD                                          
057219,000503: 11,3277           01527                                    TNUV                                  

Page 1345

057221,000505: 11,3300           25120                           STOVL    ZV                                    
057222,000506: 11,3301           01521                                    TDELTAV                               
057223,000507: 11,3302           01112                           STORE    YV                                    
057224,000508: 11,3303           77614                           CLEAR                                          
057225,000509: 11,3304           00261                                    JSWITCH                               
057226,000510: 11,3305           66375        DIFEQ0             VLOAD    SSP                                   
057227,000511: 11,3306           01112                                    YV                                    
057228,000512: 11,3307           01501                                    DIFEQCNT                              
057229,000513: 11,3310           00000                                    0                                     
057230,000514: 11,3311           16152                           STODL    ALPHAV                                
057231,000515: 11,3312           11566                                    DPZERO                                
057232,000516: 11,3313           02212                           STORE    H                                     #  START H AT ZERO.  GOES 0(DELT/2)DELT.
057233,000517: 11,3314           52014                           BON      GOTO                                  
057234,000518: 11,3315           00301                                    JSWITCH                               
057235,000519: 11,3316           23665                                    DOW..                                 
057236,000520: 11,3317           22512                                    ACCOMP                                
057237,000521: 
057238,000522: 11,3320           43020        CHKSWTCH           STQ      BOF                                   
057239,000523: 11,3321           02270                                    ORIGEX                                
057240,000524: 11,3322           04340                                    RPQFLAG                               
057241,000525: 11,3323           23333                                    RPQOK                                 #  MOON POSITION IS AVAILABLE
057242,000526: 11,3324           45145                           DLOAD    CALL                                  
057243,000527: 11,3325           01517                                    TET                                   
057244,000528: 11,3326           54115                                    LUNPOS                                #  GET MOON POSITION
057245,000529: 11,3327           57414                           BOF      VCOMP                                 
057246,000530: 11,3330           00343                                    MOONFLAG                              
057247,000531: 11,3331           23332                                    +1                                    
057248,000532: 11,3332           02263                           STORE    RPQV                                  
057249,000533: 
057250,000534: 11,3333           77354        RPQOK              LXA,2    VLOAD                                 #  RESTORE X2 AFTER USING LUNPOS
057251,000535: 11,3334           02150                                    PBODY                                 
057252,000536: 11,3335           01521                                    TDELTAV                               #   -
057253,000537: 11,3336           53257                           VSL*     VAD                                   #  |RQC|-RSPHERE WHEN OUTSIDE THE SPHERE.
057254,000538: 11,3337           57605                                    0          -7,2                       #  -   -            -
057255,000539: 11,3340           01535                                    RCV                                   #  R = RDEVIATION + RCONIC
057256,000540: 11,3341           51414                           BOF      ABVAL                                 
057257,000541: 11,3342           00343                                    MOONFLAG                              
057258,000542: 11,3343           23350                                    EARSPH                                
057259,000543: 11,3344           44302                           SR2      BDSU                                  #  INSIDE
057260,000544: 11,3345           27763                                    RSPHERE                               
057261,000545: 11,3346           77650                           GOTO                                           
057262,000546: 11,3347           02270                                    ORIGEX                                
057263,000547: 11,3350           51451        EARSPH             VSU      ABVAL                                 #  OUTSIDE
057264,000548: 11,3351           02263                                    RPQV                                  
057265,000549: 11,3352           52025                           DSU      GOTO                                  
057266,000550: 11,3353           27763                                    RSPHERE                               
057267,000551: 11,3354           02270                                    ORIGEX                                
057268,000552: 
057269,000553: 11,3355           77624        DOSWITCH           CALL                                           
057270,000554: 11,3356           23361                                    ORIGCHNG                              
057271,000555: 11,3357           77650                           GOTO                                           
057272,000556: 11,3360           23276                                    INTGRATE                              
057273,000557: 

Page 1346

057275,000559: 11,3361           45020        ORIGCHNG           STQ      CALL                                  
057276,000560: 11,3362           02270                                    ORIGEX                                
057277,000561: 11,3363           23421                                    RECTIFY                               
057278,000562: 11,3364           53775                           VLOAD    VSL*                                  
057279,000563: 11,3365           01535                                    RCV                                   
057280,000564: 11,3366           57576                                    0,2                                   
057281,000565: 11,3367           53651                           VSU      VSL*                                  
057282,000566: 11,3370           02263                                    RPQV                                  
057283,000567: 11,3371           57574                                    2,2                                   
057284,000568: 11,3372           01503                           STORE    RRECT                                 
057285,000569: 11,3373           15535                           STODL    RCV                                   
057286,000570: 11,3374           01517                                    TET                                   
057287,000571: 11,3375           77624                           CALL                                           
057288,000572: 11,3376           54120                                    LUNVEL                                
057289,000573: 11,3377           57414                           BOF      VCOMP                                 
057290,000574: 11,3400           00343                                    MOONFLAG                              
057291,000575: 11,3401           23402                                    +1                                    
057292,000576: 11,3402           53715                           PDVL     VSL*                                  
057293,000577: 11,3403           01543                                    VCV                                   
057294,000578: 11,3404           57576                                    0,2                                   
057295,000579: 11,3405           77651                           VSU                                            
057296,000580: 11,3406           77657                           VSL*                                           
057297,000581: 11,3407           57574                                    0          +2,2                       
057298,000582: 11,3410           01511                           STORE    VRECT                                 
057299,000583: 11,3411           01543                           STORE    VCV                                   
057300,000584: 11,3412           67154                           LXA,2    SXA,2                                 
057301,000585: 11,3413           02270                                    ORIGEX                                
057302,000586: 11,3414           00052                                    QPRET                                 
057303,000587: 11,3415           52014                           BON      GOTO                                  
057304,000588: 11,3416           00303                                    MOONFLAG                              
057305,000589: 11,3417           26735                                    CLRMOON                               
057306,000590: 11,3420           26742                                    SETMOON                               

Page 1347

057308,000592:                                                                                                  #  THE RECTIFY SUBROUTINE IS CALLED BY THE INTEGRATION PROGRAM AND OCCASIONALLY BY THE MEASUREMENT INCORPORATION
057309,000593:                                                                                                  #  ROUTINES TO ESTABLISH A NEW CONIC.
057310,000594: 
057311,000595: 11,3421           77354        RECTIFY            LXA,2    VLOAD                                 
057312,000596: 11,3422           02150                                    PBODY                                 
057313,000597: 11,3423           01521                                    TDELTAV                               
057314,000598: 11,3424           53257                           VSL*     VAD                                   
057315,000599: 11,3425           57605                                    0          -7,2                       
057316,000600: 11,3426           01535                                    RCV                                   
057317,000601: 11,3427           01503                           STORE    RRECT                                 
057318,000602: 11,3430           25535                           STOVL    RCV                                   
057319,000603: 11,3431           01527                                    TNUV                                  
057320,000604: 11,3432           53257                           VSL*     VAD                                   
057321,000605: 11,3433           57602                                    0          -4,2                       
057322,000606: 11,3434           01543                                    VCV                                   
057323,000607: 11,3435           01511        MINIRECT           STORE    VRECT                                 
057324,000608: 11,3436           25543                           STOVL    VCV                                   
057325,000609: 11,3437           11566                                    ZEROVEC                               
057326,000610: 11,3440           01521                           STORE    TDELTAV                               
057327,000611: 11,3441           15527                           STODL    TNUV                                  
057328,000612: 11,3442           11566                                    ZEROVEC                               
057329,000613: 11,3443           01551                           STORE    TC                                    
057330,000614: 11,3444           01553                           STORE    XKEP                                  
057331,000615: 11,3445           77616                           RVQ                                            
057332,000616: 

Page 1348

057334,000618:                                                                                                  #  THE THREE DIFEQ ROUTINES - DIFEQ+0, DIFEQ+12, AND DIFEQ+24 - ARE ENTEREDTO PROCESS THE CONTRIBUTIONS AT THE
057335,000619:                                                                                                  #  BEGINNING, MIDDLE, AND END OF THE TIMESTEP, RESPECTIVELY.  THE UPDATING IS DONE BY THE NYSTROM METHOD.
057336,000620: 
057337,000621: 11,3446           64575        DIFEQ+0            VLOAD    VSR3                                  
057338,000622: 11,3447           02202                                    FV                                    
057339,000623: 11,3450           36166                           STCALL   PHIV                                  
057340,000624: 11,3451           23626                                    DIFEQCOM                              
057341,000625: 11,3452           74575        DIFEQ+1            VLOAD    VSR1                                  
057342,000626: 11,3453           02202                                    FV                                    
057343,000627: 11,3454           53206                           PUSH     VAD                                   
057344,000628: 11,3455           02166                                    PHIV                                  
057345,000629: 11,3456           26174                           STOVL    PSIV                                  
057346,000630: 11,3457           53362                           VSR1     VAD                                   
057347,000631: 11,3460           02166                                    PHIV                                  
057348,000632: 11,3461           36166                           STCALL   PHIV                                  
057349,000633: 11,3462           23626                                    DIFEQCOM                              
057350,000634: 11,3463           57345        DIFEQ+2            DLOAD    DMPR                                  
057351,000635: 11,3464           02212                                    H                                     
057352,000636: 11,3465           23774                                    DP2/3                                 
057353,000637: 11,3466           74206                           PUSH     VXSC                                  
057354,000638: 11,3467           02166                                    PHIV                                  
057355,000639: 11,3470           53372                           VSL1     VAD                                   
057356,000640: 11,3471           01120                                    ZV                                    
057357,000641: 11,3472           53361                           VXSC     VAD                                   
057358,000642: 11,3473           02212                                    H                                     
057359,000643: 11,3474           01112                                    YV                                    
057360,000644: 11,3475           25112                           STOVL    YV                                    
057361,000645: 11,3476           02202                                    FV                                    
057362,000646: 11,3477           53322                           VSR3     VAD                                   
057363,000647: 11,3500           02174                                    PSIV                                  
057364,000648: 11,3501           76561                           VXSC     VSL1                                  
057365,000649: 11,3502           77655                           VAD                                            
057366,000650: 11,3503           01120                                    ZV                                    
057367,000651: 11,3504           01120                           STORE    ZV                                    
057368,000652: 11,3505           45014                           BOFF     CALL                                  
057369,000653: 11,3506           00341                                    JSWITCH                               
057370,000654: 11,3507           23557                                    ENDSTATE                              
057371,000655: 11,3510           56750                                    GRP2PC                                
057372,000656: 11,3511           77354                           LXA,2    VLOAD                                 
057373,000657: 11,3512           01102                                    COLREG                                
057374,000658: 11,3513           01120                                    ZV                                    
057375,000659: 11,3514           77732                           VSL3                                           #  ADJUST W-POSITION FOR STORAGE
057376,000660: 11,3515           12467                           STORE    W          +54D,2                     
057377,000661: 11,3516           77775                           VLOAD                                          
057378,000662: 11,3517           01112                                    YV                                    
057379,000663: 11,3520           40132                           VSL3     BOV                                   
057380,000664: 11,3521           23651                                    WMATEND                               
057381,000665: 11,3522           12401                           STORE    W,2                                   
057382,000666: 
057383,000667: 11,3523           77624                           CALL                                           
057384,000668: 11,3524           56750                                    GRP2PC                                

Page 1349

057386,000670: 11,3525           66354                           LXA,2    SSP                                   
057387,000671: 11,3526           01102                                    COLREG                                
057388,000672: 11,3527           00052                                    S2                                    
057389,000673: 11,3530           00000                                    0                                     
057390,000674: 11,3531           67114                           INCR,2   SXA,2                                 
057391,000675: 11,3532           00006                                    6                                     
057392,000676: 11,3533           01111                                    YV                                    
057393,000677: 11,3534           45104                           TIX,2    CALL                                  
057394,000678: 11,3535           23622                                    RELOADSV                              
057395,000679: 11,3536           56750                                    GRP2PC                                
057396,000680: 11,3537           67154                           LXA,2    SXA,2                                 
057397,000681: 11,3540           01111                                    YV                                    
057398,000682: 11,3541           01102                                    COLREG                                
057399,000683: 
057400,000684: 11,3542           77624        NEXTCOL            CALL                                           
057401,000685: 11,3543           56750                                    GRP2PC                                
057402,000686: 11,3544           76754                           LXA,2    VLOAD*                                
057403,000687: 11,3545           01102                                    COLREG                                
057404,000688: 11,3546           75376                                    W,2                                   
057405,000689: 11,3547           77722                           VSR3                                           #  ADJUST W-POSITION FOR INTEGRATION
057406,000690: 11,3550           01112                           STORE    YV                                    
057407,000691: 11,3551           76173                           VLOAD*   AXT,1                                 
057408,000692: 11,3552           75310                                    W          +54D,2                     
057409,000693: 11,3553           00000                                    0                                     
057410,000694: 11,3554           77722                           VSR3                                           #  ADJUST W-VELOCITY FOR INTEGRATION
057411,000695: 11,3555           35120                           STCALL   ZV                                    
057412,000696: 11,3556           23305                                    DIFEQ0                                
057413,000697: 
057414,000698: 11,3557           77200        ENDSTATE           BOV      VLOAD                                 
057415,000699: 11,3560           22762                                    GOBAQUE                               
057416,000700: 11,3561           01120                                    ZV                                    
057417,000701: 11,3562           25527                           STOVL    TNUV                                  
057418,000702: 11,3563           01112                                    YV                                    
057419,000703: 11,3564           01521                           STORE    TDELTAV                               
057420,000704: 11,3565           43014                           BON      BOFF                                  
057421,000705: 11,3566           04715                                    MIDAVFLG                              
057422,000706: 11,3567           27633                                    CKMID2                                #  CHECK FOR MID2 BEFORE GOING TO TIMEINC
057423,000707: 11,3570           01756                                    DIM0FLAG                              
057424,000708: 11,3571           27305                                    TESTLOOP                              
057425,000709: 11,3572           77776                           EXIT                                           
057426,000710: 11,3573           05412                           TC       PHASCHNG                              
057427,000711: 11,3574           04022                           OCT      04022                                 #  PHASE 1
057428,000712: 11,3575           05546                           TC       UPFLAG                                #  PHASE CHANGE HAS OCCURRED BETWEEN
057429,000713: 11,3576           00236                           ADRES    REINTFLG                              #  INTSTALL AND INTWAKE
057430,000714: 11,3577           06006                           TC       INTPRET                               
057431,000715: 11,3600           77731                           SSP                                            
057432,000716: 11,3601           00053                                    QPRET                                 
057433,000717: 11,3602           23607                                    AMOVED                                
057434,000718: 11,3603           52014                           BON      GOTO                                  
057435,000719: 11,3604           01714                                    VINTFLAG                              

Page 1350

057437,000721: 11,3605           26705                                    ATOPCSM                               
057438,000722: 11,3606           26760                                    ATOPLEM                               
057439,000723: 11,3607           66214        AMOVED             SET      SSP                                   
057440,000724: 11,3610           00061                                    JSWITCH                               
057441,000725: 11,3611           01103                                    COLREG                                
057442,000726: 11,3612           77741                           DEC      -30        B-14                       
057443,000727: 11,3613           66214                           BOFF     SSP                                   
057444,000728: 11,3614           01755                                    D6OR9FLG                              
057445,000729: 11,3615           23542                                    NEXTCOL                               
057446,000730: 11,3616           01103                                    COLREG                                
057447,000731: 11,3617           77717                           DEC      -48        B-14                       
057448,000732: 11,3620           77650                           GOTO                                           
057449,000733: 11,3621           23542                                    NEXTCOL                               
057450,000734: 
057451,000735: 11,3622           77745        RELOADSV           DLOAD                                          #  RELOAD TEMPORARY STATE VECTOR
057452,000736: 11,3623           01101                                    TDEC                                  #  FROM PERMANENT IN CASE OF
057453,000737: 11,3624           34041                           STCALL   TDEC1                                 
057454,000738: 11,3625           27167                                    INTEGRV2                              #  BY STARTING AT INTEGRV2.
057455,000739: 11,3626           43345        DIFEQCOM           DLOAD    DAD                                   #  INCREMENT H AND DIFEQCNT.
057456,000740: 11,3627           02314                                    DT/2                                  
057457,000741: 11,3630           02212                                    H                                     
057458,000742: 11,3631           66110                           INCR,1   SXA,1                                 
057459,000743: 11,3632           77763                           DEC      -12        B-14                       
057460,000744: 11,3633           01500                                    DIFEQCNT                              #  DIFEQCNT SET FOR NEXT ENTRY.
057461,000745: 11,3634           02212                           STORE    H                                     
057462,000746: 11,3635           74561                           VXSC     VSR1                                  
057463,000747: 11,3636           02202                                    FV                                    
057464,000748: 11,3637           74255                           VAD      VXSC                                  
057465,000749: 11,3640           01120                                    ZV                                    
057466,000750: 11,3641           02212                                    H                                     
057467,000751: 11,3642           77655                           VAD                                            
057468,000752: 11,3643           01112                                    YV                                    
057469,000753: 11,3644           02152                           STORE    ALPHAV                                
057470,000754: 11,3645           52014                           BON      GOTO                                  
057471,000755: 11,3646           00301                                    JSWITCH                               
057472,000756: 11,3647           23665                                    DOW..                                 
057473,000757: 11,3650           22472                                    FBR3                                  
057474,000758: 
057475,000759: 11,3651           43014        WMATEND            CLEAR    CLEAR                                 
057476,000760: 11,3652           01676                                    DIM0FLAG                              #  DONT INTEGRATE W THIS TIME
057477,000761: 11,3653           01671                                    ORBWFLAG                              #  INVALIDATE W
057478,000762: 11,3654           77614                           CLEAR                                          
057479,000763: 11,3655           02676                                    RENDWFLG                              
057480,000764: 11,3656           77414                           SET      EXIT                                  
057481,000765: 11,3657           01472                                    STATEFLG                              #  PICK UP STATE VECTOR UPDATE
057482,000766: 11,3660           05650                           TC       ALARM                                 
057483,000767: 11,3661           00421                           OCT      421                                   
057484,000768: 11,3662           06006                           TC       INTPRET                               

Page 1351

057486,000770: 11,3663           77650                           GOTO                                           
057487,000771: 11,3664           27305                                    TESTLOOP                              #  FINISH INTEGRATING STATE VECTOR
057488,000772: 

Page 1352

057490,000774:                                                                                                  #  ORBITAL ROUTINE FOR EXTRAPOLATION OF THE W MATRIX.  IT COMPUTES THE SECOND DERIVATIVE OF EACH COLUMN POSITION
057491,000775:                                                                                                  #  VECTOR OF THE MATRIX AND CALLS THE NYSTROM INTEGRATION ROUTINES TO SOLVE THE DIFFERENTIAL EQUATIONS.  THE PROGRAM
057492,000776:                                                                                                  #  USES A TABLE OF VEHICLE POSITION VECTORS COMPUTED DURING THE INTEGRATION OF THE VEHICLES POSITION AND VELOCITY.
057493,000777: 
057494,000778: 11,3665           70754        DOW..              LXA,2    DLOAD*                                
057495,000779: 11,3666           02150                                    PBODY                                 
057496,000780: 11,3667           50042                                    MUEARTH,2                             
057497,000781: 11,3670           36210                           STCALL   BETAM                                 
057498,000782: 11,3671           23713                                    DOW..1                                
057499,000783: 11,3672           02202                           STORE    FV                                    
057500,000784: 11,3673           62014                           BOF      INCR,1                                
057501,000785: 11,3674           00342                                    MIDFLAG                               
057502,000786: 11,3675           23220                                    NBRANCH                               
057503,000787: 11,3676           77771                           DEC      -6         B-14                       
057504,000788: 11,3677           70744                           LXC,2    DLOAD*                                
057505,000789: 11,3700           02150                                    PBODY                                 
057506,000790: 11,3701           50044                                    MUEARTH    -2,2                       
057507,000791: 11,3702           36210                           STCALL   BETAM                                 
057508,000792: 11,3703           23713                                    DOW..1                                
057509,000793: 11,3704           50414                           BON      VSR6                                  
057510,000794: 11,3705           00303                                    MOONFLAG                              
057511,000795: 11,3706           23707                                    +1                                    
057512,000796: 11,3707           77655                           VAD                                            
057513,000797: 11,3710           02202                                    FV                                    
057514,000798: 11,3711           36202                           STCALL   FV                                    
057515,000799: 11,3712           23220                                    NBRANCH                               
057516,000800: 11,3713           60575        DOW..1             VLOAD    VSR4                                  
057517,000801: 11,3714           02152                                    ALPHAV                                
057518,000802: 11,3715           53513                           PDVL*    UNIT                                  
057519,000803: 11,3716           02217                                    VECTAB,1                              
057520,000804: 11,3717           46315                           PDVL     VPROJ                                 
057521,000805: 11,3720           02152                                    ALPHAV                                
057522,000806: 11,3721           52361                           VXSC     VSU                                   
057523,000807: 11,3722           23764                                    3/4                                   
057524,000808: 11,3723           60325                           PDDL     NORM                                  
057525,000809: 11,3724           00045                                    36D                                   
057526,000810: 11,3725           00052                                    S2                                    
057527,000811: 11,3726           63406                           PUSH     DSQ                                   
057528,000812: 11,3727           77605                           DMP                                            
057529,000813: 11,3730           65301                           NORM     PDDL                                  
057530,000814: 11,3731           00043                                    34D                                   
057531,000815: 11,3732           02210                                    BETAM                                 
057532,000816: 11,3733           56342                           SR1      DDV                                   
057533,000817: 11,3734           77761                           VXSC                                           
057534,000818: 11,3735           57154                           LXA,2    XAD,2                                 
057535,000819: 11,3736           00051                                    S2                                    
057536,000820: 11,3737           00051                                    S2                                    
057537,000821: 11,3740           57074                           XAD,2    XAD,2                                 
057538,000822: 11,3741           00051                                    S2                                    
057539,000823: 11,3742           00042                                    34D                                   
057540,000824: 11,3743           43457                           VSL*     RVQ                                   

Page 1353

057542,000826: 11,3744           57606                                    0          -8D,2                      
057543,000827: 
057544,000828: 11,2000                                           SETLOC   ORBITAL1                              
057545,000829: 11,2000                                           BANK                                           
057546,000830: 
057547,000831: 11,3745           04631 23146  3/5                2DEC     .6         B-2                        
057548,000832: 11,3747           14000 00000  THREE/8            2DEC     .375                                  
057549,000833: 11,3751           02314 31463  .3D                2DEC     .3         B-2                        
057550,000834: 11,3753           01400 00000  3/64               2DEC     3          B-6                        
057551,000835: 11,3755           10000 00000  DP1/4              2DEC     .25                                   
057552,000836: 11,3757  11,3755               DQUARTER           EQUALS   DP1/4                                 
057553,000837: 11,3757  11,3755               POS1/4             EQUALS   DP1/4                                 
057554,000838: 11,3757           03000 00000  3/32               2DEC     3          B-5                        
057555,000839: 11,3761           36000 00000  15/16              2DEC     15.        B-4                        
057556,000840: 11,3763           30000 00000  3/4                2DEC     3.0        B-2                        
057557,000841: 11,3765           22525 12525  7/12               2DEC     .5833333333                            
057558,000842: 11,3767           22000 00000  9/16               2DEC     9          B-4                        
057559,000843: 11,3771           01200 00000  5/128              2DEC     5          B-7                        
057560,000844: 11,3773  04,3565               DPZERO             EQUALS   ZEROVEC                               
057561,000845: 11,3773           25252 25253  DP2/3              2DEC     .6666666667                            
057562,000846: 11,3775  11,3773               2/3                EQUALS   DP2/3                                 
057563,000847: 11,3775           00027        OCT27              OCT      27                                    
057564,000848:                                                                                                  #  LM504 IS TEMPORARY
057565,000849: 13,3714                                           BANK     13                                    
057566,000850: 13,2000                                           SETLOC   ORBITAL2                              
057567,000851: 13,2000                                           BANK                                           
057568,000852:                                                                                                  #  IT IS VITAL THAT THE FOLLOWING CONSTANTS NOT BE SHUFFLED
057569,000853: 13,3714           77764                           DEC      -11        B-14                       
057570,000854: 13,3715           77775                           DEC      -2         B-14                       
057571,000855: 13,3716           77766                           DEC      -9         B-14                       
057572,000856: 13,3717           77771                           DEC      -6         B-14                       
057573,000857: 13,3720           77775                           DEC      -2         B-14                       
057574,000858: 13,3721           77775                           DEC      -2         B-14                       
057575,000859: 13,3722           00000                           DEC      0          B-14                       
057576,000860: 13,3723           77763                           DEC      -12        B-14                       
057577,000861: 13,3724           77766                           DEC      -9         B-14                       
057578,000862: 13,3725           77773                           DEC      -4         B-14                       
057579,000863: 13,3726           77770        ASCALE             DEC      -7         B-14                       
057580,000864: 13,3727           77771                           DEC      -6         B-14                       

Page 1354

057582,000866: 13,3730           27446 14620                     2DEC*    1.32715445 E16        B-54*           #  S
057583,000867: 13,3732           16471 01352                     2DEC*    4.9027780  E8         B-30*           #  M
057584,000868: 13,3734           22437 16067  MUEARTH            2DEC*    3.986032   E10        B-36*           
057585,000869: 13,3736           00000 00000                     2DEC     0          B-28                       

Between Comanche 51 and 55, the second number in J4REQ/J3 was changed from 0 to -176236.02 B-25.

057588,000872: 13,3740           02302 24736  J4REQ/J3           2DEC*    .4991607391 E7         B-26*           
057589,000873: 13,3742           00000 00000                     2DEC     0          B-28                       
057590,000874: 13,3744           77776 53032  2J3RE/J2           2DEC*    -.1355426363 E5         B-27*           
057591,000875: 13,3746           10407 05344                     2DEC*    .3067493316 E18        B-60*           
057592,000876: 13,3750           13710 35320  J2REQSQ            2DEC*    1.75501139 E21        B-72*           
057593,000877: 13,3752           12160 12124  3J22R2MU           2DEC*    9.20479048 E16        B-58*           
057594,000878: 13,3754           24000 00000  5/8                2DEC     5          B-3                        
057595,000879: 13,3756           74631 63145  -1/12              2DEC     -.1                                   
057596,000880: 13,3760  13,3732               MUM                =        MUEARTH    -2                         
057597,000881: 13,3760           00243 32703  RECRATIO           2DEC     .01                                   
057598,000882: 13,3762           03654 21000  RSPHERE            2DEC     64373.76   E3         B-29            
057599,000883: 13,3764           03654 21000  RDM                2DEC     16093.44   E3         B-27            
057600,000884: 13,3766           04627 25200  RDE                2DEC     80467.20   E3         B-29            
057601,000885: 13,3770                        RATT               EQUALS   00                                    
057602,000886: 13,3770                        VATT               EQUALS   6D                                    
057603,000887: 13,3770                        TAT                EQUALS   12D                                   
057604,000888: 13,3770                        RATT1              EQUALS   14D                                   
057605,000889: 13,3770                        VATT1              EQUALS   20D                                   
057606,000890: 13,3770                        MU(P)              EQUALS   26D                                   
057607,000891: 13,3770                        TDEC1              EQUALS   32D                                   
057608,000892: 13,3770                        URPV               EQUALS   14D                                   
057609,000893: 13,3770     0022               COSPHI/2           EQUALS   URPV       +4                         
057610,000894: 13,3770                        UZ                 EQUALS   20D                                   
057611,000895: 13,3770                        TVEC               EQUALS   26D                                   
057612,000896: 
057613,000897: 
057614,000898: 

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