Source Code

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

Notations on the program listing read, in part:

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

033845,000002:                                                                                                  ## Copyright:   Public domain.
033846,000003:                                                                                                  ## Filename:    LUNAR_LANDING_GUIDANCE_EQUATIONS.agc
033847,000004:                                                                                                  ## Purpose:     A section of Luminary revision 116.
033848,000005:                                                                                                  ##              It is part of the source code for the Lunar Module's (LM)
033849,000006:                                                                                                  ##              Apollo Guidance Computer (AGC) for Apollo 12.
033850,000007:                                                                                                  ##              This file is intended to be a faithful transcription, except
033851,000008:                                                                                                  ##              that the code format has been changed to conform to the
033852,000009:                                                                                                  ##              requirements of the yaYUL assembler rather than the
033853,000010:                                                                                                  ##              original YUL assembler.
033854,000011:                                                                                                  ## Reference:   pp. 791-822
033855,000012:                                                                                                  ## Assembler:   yaYUL
033856,000013:                                                                                                  ## Contact:     Ron Burkey <info@sandroid.org>.
033857,000014:                                                                                                  ## Website:     www.ibiblio.org/apollo/index.html
033858,000015:                                                                                                  ## Mod history: 2017-01-22 MAS  Created from Luminary 99.
033859,000016:                                                                                                  ##              2017-03-10 RSB  Transcribed, and then proofed comment-text using
033860,000017:                                                                                                  ##                              3-way diff vs Luminary 99 and Luminary 131.
033861,000018:                                                                                                  ##                              (Admittedly, the former is more for detecting errors
033862,000019:                                                                                                  ##                              in Luminary 99 than the other way around.)
033863,000020:                                                                                                  ##                              The label 1406P00 was replaced with 1406POO.
033864,000021:                                                                                                  ##              2017-03-16 RSB  Comment-text fixes identified in 5-way
033865,000022:                                                                                                  ##                              side-by-side diff of Luminary 69/99/116/131/210.
033866,000023:                                                                                                  ##              2017-03-19 HG   Add missing statement TC C13STALL (and shift label RESETRPT to it)
033867,000024:                                                                                                  ##                              Fix value for BIASFACT B-28 --> B-26
033868,000025:                                                                                                  ##                              Fix operand CGCALC   --> EXTLOGIC
033869,000026:                                                                                                  ##                                          ENDLLJOB --> ENDOFJOB
033870,000027:                                                                                                  ##                                          REGODSPR --> REGDOSP
033871,000028:                                                                                                  ##                                          REFLASHR --> REFLASH
033872,000029: 

Page 791

033874,000031: 31,2346  E7,1621                                  EBANK=   E2DPS                                 
033875,000032: 31,2346                                           COUNT*   $$/F2DPS                              
033876,000033: 
033877,000034:                                                                                                  #  ****************************************************************************************************************
033878,000035:                                                                                                  #  LUNAR LANDING FLIGHT SEQUENCE TABLES
033879,000036:                                                                                                  #  ****************************************************************************************************************
033880,000037: 
033881,000038:                                                                                                  #  FLIGHT SEQUENCE TABLES ARE ARRANGED BY FUNCTION.   THEY ARE REFERENCED USING AS AN INDEX THE REGISTER WCHPHASE:
033882,000039:                                                                                                  #        WCHPHASE = -1 ---> IGNALG
033883,000040:                                                                                                  #        WCHPHASE =  0 ---> BRAKQUAD
033884,000041:                                                                                                  #        WCHPHASE =  1 ---> APPRQUAD
033885,000042:                                                                                                  #        WCHPHASE =  2 ---> VERTICAL
033886,000043: 
033887,000044:                                                                                                  #  ***************************************************************************************************************
033888,000045: 
033889,000046:                                                                                                  #  ROUTINES FOR STARTING NEW GUIDANCE PHASES:
033890,000047: 
033891,000048: 31,2346           12603                           TCF      TTFINCR                               #  IGNALG
033892,000049: 31,2347           12603        NEWPHASE           TCF      TTFINCR                               #  BRAKQUAD
033893,000050: 31,2350           12566                           TCF      STARTP64                              #  APPRQUAD
033894,000051: 31,2351           12557                           TCF      P65START                              #  VERTICAL
033895,000052: 
033896,000053:                                                                                                  #  PRE-GUIDANCE COMPUTATIONS:
033897,000054: 
033898,000055: 31,2352           12763                           TCF      CALCRGVG                              #  IGNALG
033899,000056: 31,2353           12773        PREGUIDE           TCF      RGVGCALC                              #  BRAKQUAD
033900,000057: 31,2354           12664                           TCF      REDESIG                               #  APPRQUAD
033901,000058: 31,2355           12773                           TCF      RGVGCALC                              #  VERTICAL
033902,000059: 
033903,000060:                                                                                                  #  GUIDANCE EQUATIONS:
033904,000061: 
033905,000062: 31,2356           13041                           TCF      TTF/8CL                               #  IGNALG
033906,000063: 31,2357           13041        WHATGUID           TCF      TTF/8CL                               #  BRAKQUAD
033907,000064: 31,2360           13041                           TCF      TTF/8CL                               #  APPRQUAD
033908,000065: 31,2361           13514                           TCF      VERTGUID                              #  VERTICAL
033909,000066: 
033910,000067:                                                                                                  #  POST GUIDANCE EQUATION COMPUTATIONS:
033911,000068: 
033912,000069: 31,2362           13240                           TCF      CGCALC                                #  IGNALG
033913,000070: 31,2363           13225        AFTRGUID           TCF      EXTLOGIC                              #  BRAKQUAD
033914,000071: 31,2364           13225                           TCF      EXTLOGIC                              #  APPRQUAD
033915,000072: 31,2365           13411                           TCF      STEER?                                #  VERTICAL
033916,000073: 

Page 792

033918,000075:                                                                                                  #  WINDOW VECTOR COMPUTATIONS:
033919,000076: 
033920,000077: 31,2366           13310                           TCF      EXGSUB                                #  IGNALG
033921,000078: 31,2367           13331        WHATEXIT           TCF      EXBRAK                                #  BRAKQUAD
033922,000079: 31,2370           13337                           TCF      EXNORM                                #  APPRQUAD
033923,000080: 
033924,000081:                                                                                                  #  DISPLAY ROUTINES:
033925,000082: 
033926,000083: 31,2371           13450        WHATDISP           TCF      P63DISPS                              #  BRAKQUAD
033927,000084: 31,2372           13453                           TCF      P64DISPS                              #  APPRQUAD
033928,000085: 31,2373           13502                           TCF      VERTDISP                              #  VERTICAL
033929,000086: 
033930,000087:                                                                                                  #  ALARM ROUTINE FOR TTF COMPUTATION:
033931,000088: 
033932,000089: 31,2374           13712                           TCF      1406POO                               #  IGNALG
033933,000090: 31,2375           13714        WHATALM            TCF      1406ALM                               #  BRAKQUAD
033934,000091: 31,2376           13714                           TCF      1406ALM                               #  APPRQUAD
033935,000092: 
033936,000093:                                                                                                  #  INDICES FOR REFERENCING TARGET PARAMETERS:
033937,000094: 
033938,000095: 31,2377           00000                           OCT      0                                     #  IGNALG
033939,000096: 31,2400           00000        TARGTDEX           OCT      0                                     #  BRAKQUAD
033940,000097: 31,2401           00034                           OCT      34                                    #  APPRQUAD
033941,000098: 
033942,000099:                                                                                                  #  ****************************************************************************************************************
033943,000100:                                                                                                  #  ENTRY POINTS:  ?GUIDSUB FOR THE IGNITION ALGORITHM, LUNLAND FOR SERVOUT
033944,000101:                                                                                                  #  ****************************************************************************************************************
033945,000102: 
033946,000103:                                                                                                  #  IGNITION ALGORITHM ENTRY:  DELIVERS N PASSES OF QUADRATIC QUIDANCE
033947,000104: 
033948,000105: 31,2402           77776        ?GUIDSUB           EXIT                                           
033949,000106: 31,2403           34752                           CAF      TWO                                   #  N = 3
033950,000107: 31,2404           55647                           TS       NGUIDSUB                              
033951,000108: 31,2405           12541                           TCF      GUILDRET   +2                         
033952,000109: 
033953,000110: 31,2406           55647        GUIDSUB            TS       NGUIDSUB                              #  ON SUCEEDING PASSES SKIP TTFINCR
033954,000111: 31,2407           12763                           TCF      CALCRGVG                              
033955,000112: 
033956,000113:                                                                                                  #  NORMAL ENTRY:  CONTROL COMES HERE FROM SERVOUT
033957,000114: 
033958,000115: 31,2410           05353        LUNLAND            TC       PHASCHNG                              
033959,000116: 31,2411           00035                           OCT      00035                                 #  GROUP 5:  RETAIN ONLY PIPA TASK
033960,000117: 31,2412           30101                           CA       FLAGWRD5                              #  HAS THROTTLE-UP COME YET?
033961,000118: 31,2413           74744                           MASK     ZOOMBIT                               
033962,000119: 31,2414           00006                           EXTEND                                         
033963,000120: 31,2415           13442                           BZF      DISPEXIT   +3                         #  NO:   DO DISPLAYS ONLY

Page 793

033965,000122: 31,2416           05353                           TC       PHASCHNG                              #  YES:  DO GUIDANCE
033966,000123: 31,2417           05023                           OCT      05023                                 
033967,000124: 31,2420           20000                           OCT      20000                                 
033968,000125: 
033969,000126:                                                                                                  # ****************************************************************************************************************
033970,000127:                                                                                                  #  GUILDENSTERN:  AUTO-MODES MONITOR (R13)
033971,000128:                                                                                                  # ****************************************************************************************************************
033972,000129: 
033973,000130: 31,2421                                           COUNT*   $$/R13                                
033974,000131: 
033975,000132:                                                                                                  #  HERE IS THE PHILOSOPHY OF GUILDENSTERN:       ON EVERY APPEARANCE OR DISAPPEARANCE OF THE MANUAL THROTTLE
033976,000133:                                                                                                  #  DISCRETE TO SELECT P67 OR P66 RESPECTIVELY;   ON EVERY APPEARANCE OF THE ATTITUDE-HOLD DISCRETE TO SELECT P66
033977,000134:                                                                                                  #  UNLESS THE CURRENT PROGRAM IS P67 IN WHICH CASE THERE IS NO CHANGE.
033978,000135: 
033979,000136: 31,2421           00006        GUILDEN            EXTEND                                         #  IS UN-AUTO-THROTTLE DISCRETE PRESENT?
033980,000137: 31,2422           00030                           READ     CHAN30                                
033981,000138: 31,2423           74747                           MASK     BIT5                                  
033982,000139: 31,2424           10000                           CCS      A                                     
033983,000140: 31,2425           12503                           TCF      STARTP67                              #  YES
033984,000141: 31,2426           05321        P67NOW?            TC       CHECKMM                               #  NO:  ARE WE IN P67 NOW?
033985,000142: 31,2427           00103                           DEC      67         B-14                       
033986,000143: 31,2430           12511                           TCF      STABL?                                #  NO

In the printout, a hand-drawn horizontal rule appears here:

033989,000146: 31,2431           03717        STARTP66           TC       FASTCHNG                              #  YES
033990,000147: 31,2432           05311                           TC       NEWMODEX                              
033991,000148: 31,2433           00102        DEC66              DEC      66         B-14                       
033992,000149: 31,2434           00006                           EXTEND                                         
033993,000150: 31,2435           31474                           DCA      HDOTDISP                              #  SET DESIRED ALTITUDE RATE = CURRENT
033994,000151: 31,2436           53645                           DXCH     VDGVERT                               #        ALTITUDE RATE.
033995,000152: 31,2437           06042        STRTP66A           TC       INTPRET                               
033996,000153: 31,2440           41535                           SLOAD    PUSH                                  
033997,000154: 31,2441           01457                                    PBIASZ                                
033998,000155: 31,2442           41535                           SLOAD    PUSH                                  
033999,000156: 31,2443           01455                                    PBIASY                                
034000,000157: 31,2444           55535                           SLOAD    VDEF                                  
034001,000158: 31,2445           01453                                    PBIASX                                
034002,000159: 31,2446           43161                           VXSC     SET                                   
034003,000160: 31,2447           25546                                    BIASFACT                              
034004,000161: 31,2450           00463                                    RODFLAG                               
034005,000162: 31,2451           26621                           STOVL    VBIAS                                 
034006,000163: 31,2452           01254                                    TEMX                                  
034007,000164: 31,2453           77676                           VCOMP                                          
034008,000165: 31,2454           27764                           STOVL    OLDPIPAX                              
034009,000166: 31,2455           06524                                    ZEROVECS                              
034010,000167: 31,2456           17767                           STODL    DELVROD                               
034011,000168: 31,2457           02540                                    RODSCALE                              
034012,000169: 31,2460           17757                           STODL    RODSCAL1                              
034013,000170: 31,2461           01234                                    PIPTIME                               
034014,000171: 31,2462           03760                           STORE    LASTTPIP                              
034015,000172: 31,2463           77776                           EXIT                                           
034016,000173: 31,2464           34755                           CAF      ZERO                                  

Page 794

034018,000175: 31,2465           55620                           TS       FCOLD                                 
034019,000176: 31,2466           55610                           TS       FWEIGHT                               
034020,000177: 31,2467           55611                           TS       FWEIGHT    +1                         
034021,000178: 31,2470           55647        VRTSTART           TS       WCHVERT                               
034022,000179: 31,2471           34752                           CAF      TWO                                   #  WCHPHASE = 2 ---> VERTICAL: P65,P66,P67
034023,000180: 31,2472           55621                           TS       WCHPHOLD                              
034024,000181: 31,2473           55346                           TS       WCHPHASE                              
034025,000182: 31,2474           04616                           TC       BANKCALL                              #  TEMPORARY, I HOPE HOPE HOPE
034026,000183: 31,2475           40166                           CADR     STOPRATE                              #  TEMPORARY, I HOPE HOPE HOPE
034027,000184: 31,2476           05516                           TC       DOWNFLAG                              #  PERMIT X-AXIS OVERRIDE
034028,000185: 31,2477           00311                           ADRES    XOVINFLG                              
034029,000186: 31,2500           05516                           TC       DOWNFLAG                              
034030,000187: 31,2501           00143                           ADRES    REDFLAG                               
034031,000188: 31,2502           13514                           TCF      VERTGUID                              
034032,000189: 
034033,000190: 31,2503           05311        STARTP67           TC       NEWMODEX                              #  NO HARM IN "STARTING" P67 OVER AND OVER
034034,000191: 31,2504           00103                           DEC      67         B-14                       #  SO NO NEED FOR A FASTCHNG AND NO NEED
034035,000192: 31,2505           34755                           CAF      ZERO                                  #  TO SEE IF ALREADY IN P67.
034036,000193: 31,2506           55746                           TS       RODCOUNT                              
034037,000194: 31,2507           34363                           CAF      TEN                                   

In the printout, the following line is crossed out.

034039,000196: 31,2510           12470                           TCF      VRTSTART                              
034040,000197: 
034041,000198: 31,2511           41010        STABL?             CS       MODREG                                #  ARE WE IN P66 EVEN THO WE MAY BE IN
034042,000199: 31,2512           62433                           AD       DEC66                                 #  AUTO DAP?
034043,000200: 31,2513           00006                           EXTEND                                         
034044,000201: 31,2514           12532                           BZF      RESTART?                              #  YES.  GO AND CHECK FOR A RESTART.
034045,000202: 31,2515           34737                           CAF      BIT13                                 #  NO. UN-ATTITUDE-HOLD DISCRETE PRESENT?
034046,000203: 31,2516           00006                           EXTEND                                         
034047,000204: 31,2517           02031                           RAND     CHAN31                                
034048,000205: 31,2520           10000                           CCS      A                                     
034049,000206: 31,2521           12537                           TCF      GUILDRET                              #  YES: ALL'S WELL
034050,000207: 
034051,000208: 31,2522           41010        P66NOW?            CS       MODREG                                
034052,000209: 31,2523           62433                           AD       DEC66                                 
034053,000210: 31,2524           00006                           EXTEND                                         
034054,000211: 31,2525           12532                           BZF      RESTART?                              
034055,000212: 
034056,000213: 31,2526           31746                           CA       RODCOUNT                              #  NO. HAS THE ROD SWITCH BEEN "CLICKED"?
034057,000214: 31,2527           00006                           EXTEND                                         
034058,000215: 31,2530           12537                           BZF      GUILDRET                              #  NO. CONTINUE WITH AUTOMATIC LANDING.
034059,000216: 31,2531           12431                           TCF      STARTP66                              #  YES. SWITCH INTO THE ROD MODE.
034060,000217: 
034061,000218: 31,2532           30075        RESTART?           CA       FLAGWRD1                              #  HAS THERE BEEN A RESTART?
034062,000219: 31,2533           74740                           MASK     RODFLBIT                              
034063,000220: 31,2534           00006                           EXTEND                                         
034064,000221: 31,2535           12437                           BZF      STRTP66A                              #  YES.  REINITIALIZE BUT LEAVE VDGVERT AS
034065,000222:                                                                                                  #        IS.
034066,000223: 
034067,000224: 31,2536           13514                           TCF      VERTGUID                              #  NO: CONTINUE WITH R.O.D.

Page 795

034069,000226: 
034070,000227:                                                                                                  #  ****************************************************************************************************************
034071,000228:                                                                                                  #  INITIALIZATION FOR THIS PASS
034072,000229:                                                                                                  #  ****************************************************************************************************************
034073,000230: 
034074,000231: 31,2537                                           COUNT*   $$/F2DPS                              
034075,000232: 
034076,000233: 31,2537           34755        GUILDRET           CAF      ZERO                                  
034077,000234: 31,2540           55746                           TS       RODCOUNT                              
034078,000235: 
034079,000236: 31,2541           00006                 +2        EXTEND                                         
034080,000237: 31,2542           31625                           DCA      TPIP                                  
034081,000238: 31,2543           53574                           DXCH     TPIPOLD                               
034082,000239: 
034083,000240: 31,2544           03717                           TC       FASTCHNG                              
034084,000241: 
034085,000242: 31,2545           00006                           EXTEND                                         
034086,000243: 31,2546           31561                           DCA      PIPTIME1                              
034087,000244: 31,2547           53625                           DXCH     TPIP                                  
034088,000245: 
034089,000246: 31,2550           00006                           EXTEND                                         
034090,000247: 31,2551           31643                           DCA      TTF/8                                 
034091,000248: 31,2552           53553                           DXCH     TTF/8TMP                              
034092,000249: 
034093,000250: 31,2553           11623                           CCS      FLPASS0                               
034094,000251: 31,2554           12603                           TCF      TTFINCR                               
034095,000252: 
034096,000253: 31,2555           51346        BRSPOT1            INDEX    WCHPHASE                              
034097,000254: 31,2556           12347                           TCF      NEWPHASE                              
034098,000255: 
034099,000256:                                                                                                  #  ****************************************************************************************************************
034100,000257:                                                                                                  #  ROUTINES TO START NEW PHASES
034101,000258:                                                                                                  #  ****************************************************************************************************************
034102,000259: 
034103,000260: 31,2557           05311        P65START           TC       NEWMODEX                              
034104,000261: 31,2560           00101                           DEC      65         B-14                       
034105,000262: 31,2561           44752                           CS       TWO                                   
034106,000263: 31,2562           55647                           TS       WCHVERT                               
034107,000264: 31,2563           05516                           TC       DOWNFLAG                              #  PERMIT X-AXIS OVERRIDE
034108,000265: 31,2564           00311                           ADRES    XOVINFLG                              
034109,000266: 31,2565           12603                           TCF      TTFINCR                               
034110,000267: 
034111,000268: 31,2566           05311        STARTP64           TC       NEWMODEX                              
034112,000269: 31,2567           00100                           DEC      64         B-14                       
034113,000270: 31,2570           31425                           CA       DELTTFAP                              #  AUGMENT TTF/8
034114,000271: 31,2571           27552                           ADS      TTF/8TMP                              
034115,000272: 31,2572           00004                           INHINT                                         
034116,000273: 31,2573           06022                           TC       C13STALL                              
034117,000274: 31,2574           34740                           CA       BIT12                                 #  ENABLE RUPT10
034118,000275: 31,2575           00006                           EXTEND                                         

Page 796

034120,000277: 31,2576           05013                           WOR      CHAN13                                
034121,000278: 31,2577           33727                           CAF      P64DB                                 
034122,000279: 31,2600           55343                           TS       DB                                    
034123,000280: 31,2601           05516                           TC       DOWNFLAG                              #  INITIALIZE REDESIGNATION FLAG
034124,000281: 31,2602           00143                           ADRES    REDFLAG                               
034125,000282: 
034126,000283: 
034127,000284:                                                                                                  #                (CONTINUE TO TTFINCR)
034128,000285: 
034129,000286:                                                                                                  #  ****************************************************************************************************************
034130,000287:                                                                                                  #  INCREMENT TTF/8, UPDATE LAND FOR LUNAR ROTATION, DO OTHER USEFUL THINGS
034131,000288:                                                                                                  #  ****************************************************************************************************************
034132,000289: 
034133,000290:                                                                                                  #        TTFINCR COMPUTATIONS ARE AS FOLLOWS:-
034134,000291:                                                                                                  #                TTF/8 UPDATED FOR TIME SINCE LAST PASS:
034135,000292: 
034136,000293:                                                                                                  #                        TTF/8 = TTF/8 + (TPIP - TPIPOLD)/8
034137,000294: 
034138,000295:                                                                                                  #                LANDING SITE VECTOR UPDATED FOR LUNAR ROTATION:
034139,000296: 
034140,000297:                                                                                                  #                        -                  -      -                       -
034141,000298:                                                                                                  #                        LAND = /LAND/ UNIT(LAND - LAND(TPIP - TPIPOLD) * WM)
034142,000299: 
034143,000300:                                                                                                  #                SLANT RANGE TO LANDING SITE, FOR DISPLAY:
034144,000301: 
034145,000302:                                                                                                  #                                         -      -
034146,000303:                                                                                                  #                        RANGEDSP = ABVAL(LAND - R)
034147,000304: 
034148,000305: 31,2603           06042        TTFINCR            TC       INTPRET                               
034149,000306: 31,2604           45345                           DLOAD    DSU                                   
034150,000307: 31,2605           03625                                    TPIP                                  
034151,000308: 31,2606           03574                                    TPIPOLD                               
034152,000309: 31,2607           41461                           SLR      PUSH                                  #  SHIFT SCALES DELTA TIME TO 2(17) CSECS
034153,000310: 31,2610           21214                                    11D                                   
034154,000311: 31,2611           47361                           VXSC     VXV                                   
034155,000312: 31,2612           03635                                    LAND                                  
034156,000313: 31,2613           02325                                    WM                                    
034157,000314: 31,2614           47045                           BVSU     RTB                                   
034158,000315: 31,2615           03635                                    LAND                                  
034159,000316: 31,2616           21727                                    NORMUNIT                              
034160,000317: 31,2617           76561                           VXSC     VSL1                                  
034161,000318: 31,2620           02333                                    /LAND/                                
034162,000319: 31,2621           17545                           STODL    LANDTEMP                              
034163,000320: 31,2622           77776                           EXIT                                           
034164,000321: 
034165,000322: 31,2623           52155                           DXCH     MPAC                                  
034166,000323: 31,2624           21553                           DAS      TTF/8TMP                              #  NOW HAVE INCREMENTED TTF/8 IN TTF/8TMP
034167,000324: 
034168,000325: 31,2625           03717                           TC       FASTCHNG                              

Page 804

034170,000327: 
034171,000328: 31,2626           00006                           EXTEND                                         
034172,000329: 31,2627           31553                           DCA      TTF/8TMP                              
034173,000330: 31,2630           53643                           DXCH     TTF/8                                 
034174,000331: 
034175,000332: 31,2631           03663                           TC       TDISPSET                              
034176,000333: 
034177,000334: 31,2632           37721                           CAF      PRIO31                                #  TEMPORARILY OVER-PRIO CHARIN
034178,000335: 31,2633           05146                           TC       PRIOCHNG                              
034179,000336: 
034180,000337: 31,2634           06042                           TC       INTPRET                               
034181,000338: 31,2635           53375                           VLOAD    VAD                                   #  ADD IN CORRECTION FROM NOUN 69
034182,000339: 31,2636           03545                                    LANDTEMP                              
034183,000340: 31,2637           02635                                    DLAND                                 
034184,000341: 31,2640           03635                           STORE    LAND                                  
034185,000342: 31,2641           77646                           ABVAL                                          #  RECOMPUTE /LAND/
034186,000343: 31,2642           02333                           STORE    /LAND/                                
034187,000344: 31,2643           77776                           EXIT                                           
034188,000345: 
034189,000346: 31,2644           03717                           TC       FASTCHNG                              #  SINCE REDESIG MAY CHANGE LANDTEMP
034190,000347: 
034191,000348: 31,2645           35014                           CAF      EBANK5                                
034192,000349: 31,2646  E5,1634                                  EBANK=   DLAND                                 
034193,000350: 31,2646           54003                           TS       EBANK                                 
034194,000351: 31,2647           34755                           CAF      ZERO                                  #  ZERO N 69 REGISTERS
034195,000352: 31,2650           55634                           TS       DLAND                                 
034196,000353: 31,2651           55635                           TS       DLAND      +1                         
034197,000354: 31,2652           55636                           TS       DLAND      +2                         
034198,000355: 31,2653           55637                           TS       DLAND      +3                         
034199,000356: 31,2654           55640                           TS       DLAND      +4                         
034200,000357: 31,2655           55641                           TS       DLAND      +5                         
034201,000358: 31,2656           35016                           CAF      EBANK7                                
034202,000359: 31,2657  E7,1666                                  EBANK=   TREDES                                
034203,000360: 31,2657           54003                           TS       EBANK                                 
034204,000361: 
034205,000362: 31,2660           34736                           CAF      PRIO20                                
034206,000363: 31,2661           05146                           TC       PRIOCHNG                              
034207,000364: 
034208,000365: 31,2662           51346        BRSPOT2            INDEX    WCHPHASE                              
034209,000366: 31,2663           12353                           TCF      PREGUIDE                              
034210,000367: 
034211,000368:                                                                                                  #  ****************************************************************************************************************
034212,000369:                                                                                                  #  LANDING SITE PERTURBATION EQUATIONS
034213,000370:                                                                                                  #  ****************************************************************************************************************
034214,000371: 
034215,000372: 31,2664           30102        REDESIG            CA       FLAGWRD6                              #  IS REDFLAG SET?
034216,000373: 31,2665           74746                           MASK     REDFLBIT                              
034217,000374: 31,2666           00006                           EXTEND                                         
034218,000375: 31,2667           12773                           BZF      RGVGCALC                              #  NO:  SKIP REDESIGNATION LOGIC
034219,000376: 
034220,000377: 31,2670           31666                           CA       TREDES                                #  YES:  HAS TREDES REACHED ZERO?

Page 798

034222,000379: 31,2671           00006                           EXTEND                                         
034223,000380: 31,2672           12773                           BZF      RGVGCALC                              #  YES:  SKIP REDESIGNATION LOGIC
034224,000381: 
034225,000382: 31,2673           00004                           INHINT                                         
034226,000383: 31,2674           31446                           CA       ELINCR1                               
034227,000384: 31,2675           55554                           TS       ELINCR                                
034228,000385: 31,2676           31445                           CA       AZINCR1                               
034229,000386: 31,2677           55556                           TS       AZINCR                                
034230,000387: 31,2700           03717                           TC       FASTCHNG                              
034231,000388: 
034232,000389: 31,2701           34755                           CA       ZERO                                  
034233,000390: 31,2702           55446                           TS       ELINCR1                               
034234,000391: 31,2703           55445                           TS       AZINCR1                               
034235,000392: 31,2704           55555                           TS       ELINCR     +1                         
034236,000393: 31,2705           55557                           TS       AZINCR     +1                         
034237,000394: 
034238,000395: 31,2706           30120                           CA       FIXLOC                                #  SET PD TO 0
034239,000396: 31,2707           54166                           TS       PUSHLOC                               
034240,000397: 
034241,000398: 31,2710           06042                           TC       INTPRET                               
034242,000399: 31,2711           52375                           VLOAD    VSU                                   
034243,000400: 31,2712           03635                                    LAND                                  
034244,000401: 31,2713           03521                                    R                                     #                  -      -
034245,000402: 31,2714           41434                           RTB      PUSH                                  #  PUSH DOWN UNIT (LAND - R)
034246,000403: 31,2715           21727                                    NORMUNIT                              
034247,000404: 31,2716           76435                           VXV      VSL1                                  
034248,000405: 31,2717           02154                                    YNBPIP                                #                     -          -      -
034249,000406: 31,2720           65361                           VXSC     PDDL                                  #  PUSH DOWN - ELINCR(YNB * UNIT(LAND - R))
034250,000407: 31,2721           03555                                    ELINCR                                
034251,000408: 31,2722           03557                                    AZINCR                                
034252,000409: 31,2723           52361                           VXSC     VSU                                   
034253,000410: 31,2724           02154                                    YNBPIP                                
034254,000411: 31,2725           41455                           VAD      PUSH                                  #  RESULTING VECTOR IS 1/2 REAL SIZE
034255,000412: 
034256,000413: 
034257,000414: 31,2726           45345                           DLOAD    DSU                                   #  MAKE SURE REDESIGNATION IS NOT
034258,000415: 31,2727           00001                                    0                                     #        TOO CLOSE TO THE HORIZON
034259,000416: 31,2730           05660                                    DEPRCRIT                              
034260,000417: 31,2731           71240                           BMN      DLOAD                                 
034261,000418: 31,2732           62735                                    REDES1                                
034262,000419: 31,2733           05660                                    DEPRCRIT                              
034263,000420: 31,2734           00001                           STORE    0                                     
034264,000421: 31,2735           45345        REDES1             DLOAD    DSU                                   
034265,000422: 31,2736           03635                                    LAND                                  
034266,000423: 31,2737           03521                                    R                                     
034267,000424: 31,2740           74271                           DDV      VXSC                                  
034268,000425: 31,2741           00001                                    0                                     
034269,000426: 31,2742           53455                           VAD      UNIT                                  
034270,000427: 31,2743           03521                                    R                                     
034271,000428: 31,2744           76561                           VXSC     VSL1                                  
034272,000429: 31,2745           02333                                    /LAND/                                

Page 799

034274,000431: 31,2746           03545                           STORE    LANDTEMP                              
034275,000432: 31,2747           77776                           EXIT                                           #  LOOKANGL WILL BE COMPUTED AT RGVGCALC
034276,000433: 
034277,000434: 31,2750           03717                           TC       FASTCHNG                              
034278,000435: 
034279,000436: 31,2751           00006                           EXTEND                                         
034280,000437: 31,2752           31545                           DCA      LANDTEMP                              
034281,000438: 31,2753           53635                           DXCH     LAND                                  
034282,000439: 31,2754           00006                           EXTEND                                         
034283,000440: 31,2755           31547                           DCA      LANDTEMP   +2                         
034284,000441: 31,2756           53637                           DXCH     LAND       +2                         
034285,000442: 31,2757           00006                           EXTEND                                         
034286,000443: 31,2760           31551                           DCA      LANDTEMP   +4                         
034287,000444: 31,2761           53641                           DXCH     LAND       +4                         
034288,000445: 
034289,000446: 31,2762           12773                           TCF      RGVGCALC                              
034290,000447: 
034291,000448:                                                                                                  #  ****************************************************************************************************************
034292,000449:                                                                                                  #  COMPUTE STATE IN GUIDANCE COORDINATES
034293,000450:                                                                                                  #  ****************************************************************************************************************
034294,000451: 
034295,000452:                                                                                                  #        RGVGCALC COMPUTATIONS ARE AS FOLLOWS:-
034296,000453:                                                                                                  #        VELOCITY RELATIVE TO THE SURFACE:
034297,000454: 
034298,000455:                                                                                                  #                -         -   -   -
034299,000456:                                                                                                  #                ANGTERM = V + R * WM
034300,000457: 
034301,000458:                                                                                                  #        STATE IN GUIDANCE COORDINATES:
034302,000459: 
034303,000460:                                                                                                  #                -     *   -   -
034304,000461:                                                                                                  #                RGU = CG (R - LAND)
034305,000462: 
034306,000463:                                                                                                  #                -     *   -   -    -
034307,000464:                                                                                                  #                VGU = CG (V - WM * R)
034308,000465: 
034309,000466:                                                                                                  #        HORIZONTAL VELOCITY FOR DISPLAY:
034310,000467: 
034311,000468:                                                                                                  #                VHORIZ = 8 ABVAL (0, VG , VG )
034312,000469:                                                                                                  #                                       2    1
034313,000470: 
034314,000471:                                                                                                  #        DEPRESSION ANGLE FOR DISPLAY:
034315,000472: 
034316,000473:                                                                                                  #                                       -   -     -
034317,000474:                                                                                                  #                LOOKANGL = ARCSIN(UNIT(R - LAND).XMBPIP)
034318,000475: 
034319,000476: 31,2763           06042        CALCRGVG           TC       INTPRET                               #  IN IGNALG, COMPUTE V FROM INTEGRATION
034320,000477: 31,2764           64375                           VLOAD    MXV                                   #        OUTPUT AND TRIM CORRECTION TERM
034321,000478: 31,2765           00025                                    VATT1                                 #        COMPUTED LAST PASS AND LEFT IN UNFC/2
034322,000479: 31,2766           01734                                    REFSMMAT                              

Page 800

034324,000481: 31,2767           53362                           VSR1     VAD                                   
034325,000482: 31,2770           03254                                    UNFC/2                                
034326,000483: 31,2771           03527                           STORE    V                                     
034327,000484: 31,2772           77776                           EXIT                                           
034328,000485: 
034329,000486: 31,2773           06042        RGVGCALC           TC       INTPRET                               #  ENTER HERE TO RECOMPUTE RG AND VG
034330,000487: 31,2774           47375                           VLOAD    VXV                                   
034331,000488: 31,2775           03521                                    R                                     
034332,000489: 31,2776           02325                                    WM                                    
034333,000490: 31,2777           70455                           VAD      VSR2                                  #  RESCALE TO UNITS OF 2(9) M/CS
034334,000491: 31,3000           03527                                    V                                     
034335,000492: 31,3001           02265                           STORE    ANGTERM                               
034336,000493: 31,3002           77721                           MXV                                            
034337,000494: 31,3003           02575                                    CG                                    #  NO SHIFT SINCE ANGTERM IS DOUBLE SIZED
034338,000495: 31,3004           03627                           STORE    VGU                                   
034339,000496: 31,3005           55525                           PDDL     VDEF                                  #  FORM (0,VG ,VG ) IN UNITS OF 2(10) M/CS
034340,000497: 31,3006           06524                                    ZEROVECS                              #            2   1
034341,000498: 31,3007           52446                           ABVAL    SL3                                   
034342,000499: 31,3010           26263                           STOVL    VHORIZ                                #  VHORIZ FOR DISPLAY DURING P65.
034343,000500: 31,3011           03521                                    R                                     #            -   -
034344,000501: 31,3012           41451                           VSU      PUSH                                  #  PUSH DOWN R - LAND
034345,000502: 31,3013           03635                                    LAND                                  
034346,000503: 31,3014           76521                           MXV      VSL1                                  
034347,000504: 31,3015           02575                                    CG                                    
034348,000505: 31,3016           02627                           STORE    RGU                                   
034349,000506: 31,3017           77646                           ABVAL                                          
034350,000507: 31,3020           26617                           STOVL    RANGEDSP                              
034351,000508: 31,3021           50234                           RTB      DOT                                   #  NOW IN MPAC IS SINE(LOOKANGL)/4
034352,000509: 31,3022           21727                                    NORMUNIT                              
034353,000510: 31,3023           02146                                    XNBPIP                                
034354,000511: 31,3024           77776                           EXIT                                           
034355,000512: 
034356,000513: 31,3025           30120                           CA       FIXLOC                                #  RESET PUSH DOWN POINTER
034357,000514: 31,3026           54166                           TS       PUSHLOC                               
034358,000515: 
034359,000516: 31,3027           30154                           CA       MPAC                                  #  COMPUTE LOOKANGL ITSELF
034360,000517: 31,3030           60000                           DOUBLE                                         
034361,000518: 31,3031           04616                           TC       BANKCALL                              
034362,000519: 31,3032           61657                           CADR     SPARCSIN   -1                         
034363,000520: 31,3033           63733                           AD       1/2DEG                                
034364,000521: 31,3034           00006                           EXTEND                                         
034365,000522: 31,3035           73732                           MP       180DEGS                               
034366,000523: 31,3036           55667                           TS       LOOKANGL                              #  LOOKANGL FOR DISPLAY DURING P64
034367,000524: 
034368,000525: 31,3037           51346        BRSPOT3            INDEX    WCHPHASE                              
034369,000526: 31,3040           12357                           TCF      WHATGUID                              
034370,000527: 
034371,000528:                                                                                                  #  ****************************************************************************************************************
034372,000529:                                                                                                  #  TTF/8 COMPUTATION
034373,000530:                                                                                                  #  ****************************************************************************************************************
034374,000531: 

Page 801

034376,000533: 31,3041           03656        TTF/8CL            TC       INTPRETX                              
034377,000534: 31,3042           77743                           DLOAD*                                         
034378,000535: 31,3043           02431                                    JDG2TTF,1                             
034379,000536: 31,3044           23571                           STODL*   TABLTTF    +6                         #  A(3) = 8 JDG  TO TABLTTF
034380,000537: 31,3045           02427                                    ADG2TTF,1                             #              2
034381,000538: 31,3046           17567                           STODL    TABLTTF    +4                         #  A(2) = 6 ADG  TO TABLTTF
034382,000539: 31,3047           03633                                    VGU        +4                         #              2
034383,000540: 31,3050           42605                           DMP      DAD*                                  
034384,000541: 31,3051           05656                                    3/4DP                                 
034385,000542: 31,3052           02425                                    VDG2TTF,1                             
034386,000543: 31,3053           23565                           STODL*   TABLTTF    +2                         #  A(1) = (6 VGU  + 18 VDG )/8 TO TABLTTF
034387,000544: 31,3054           02407                                    RDG        +4,1                       #               2         2
034388,000545: 31,3055           41225                           DSU      DMP                                   
034389,000546: 31,3056           02633                                    RGU        +4                         
034390,000547: 31,3057           05654                                    3/8DP                                 
034391,000548: 31,3060           03563                           STORE    TABLTTF                               #  A(0) = -24 (RGU  - RDG )/64 TO TABLTTF
034392,000549: 31,3061           77776                           EXIT                                           #                 2      2
034393,000550: 
034394,000551: 31,3062           34744                           CA       BIT8                                  
034395,000552: 31,3063           55572                           TS       TABLTTF    +10                        #  FRACTIONAL PRECISION FOR TTF TO TABLE
034396,000553: 
034397,000554: 31,3064           00006                           EXTEND                                         
034398,000555: 31,3065           31643                           DCA      TTF/8                                 
034399,000556: 31,3066           52155                           DXCH     MPAC                                  #  LOADS TTF/8 (INITIAL GUESS) INTO MPAC
034400,000557: 31,3067           34752                           CAF      TWO                                   #  DEGREE - ONE
034401,000558: 31,3070           54001                           TS       L                                     
034402,000559: 31,3071           33725                           CAF      TABLTTFL                              
034403,000560: 31,3072           03532                           TC       ROOTPSRS                              #  YIELDS TTF/8 IN MPAC
034404,000561: 31,3073           51346                           INDEX    WCHPHASE                              
034405,000562: 31,3074           12375                           TCF      WHATALM                               
034406,000563: 
034407,000564: 31,3075           00006                           EXTEND                                         #  GOOD RETURN
034408,000565: 31,3076           30155                           DCA      MPAC                                  #  FETCH TTF/8 KEEPING IT IN MPAC
034409,000566: 31,3077           53643                           DXCH     TTF/8                                 #  CORRECTED TTF/8
034410,000567: 
034411,000568: 31,3100           03663                           TC       TDISPSET                              
034412,000569: 
034413,000570:                                                                                                  #                (CONTINUE TO QUADGUID)
034414,000571: 
034415,000572:                                                                                                  #  ****************************************************************************************************************
034416,000573:                                                                                                  #  MAIN GUIDANCE EQUATION
034417,000574:                                                                                                  #  ****************************************************************************************************************
034418,000575: 
034419,000576:                                                                                                  #        AS PUBLISHED:-
034420,000577: 
034421,000578:                                                                                                  #                              -     -        -     -
034422,000579:                                                                                                  #                -     -     6(VDG + VG)   12(RDG - RG)
034423,000580:                                                                                                  #                ACG = ADG + ----------- + ------------
034424,000581:                                                                                                  #                                TTF        (TTF)(TTF)
034425,000582: 

Page 802

034427,000584:                                                                                                  #        AS HERE PROGRAMMED:-
034428,000585:                                                                                                  #                             -     -
034429,000586:                                                                                                  #                      3 (1/4(RDG - RG)   -     - )
034430,000587:                                                                                                  #                      - (------------- + VDG + VG)
034431,000588:                                                                                                  #                -     4 (    TTF/8               )   -
034432,000589:                                                                                                  #                ACG = ---------------------------- + ADG
034433,000590:                                                                                                  #                                  TTF/8
034434,000591: 
034435,000592: 31,3101           41642        QUADGUID           CS       TTF/8                                 
034436,000593: 31,3102           61426                           AD       LEADTIME                              #  LEADTIME IS A NEGATIVE NUMBER
034437,000594: 31,3103           64733                           AD       POSMAX                                #  SAFEGUARD THE COMPUTATIONS THAT FOLLOW
034438,000595: 31,3104           54001                           TS       L                                     #        BY FORCING -TTF+LEADTIME > OR = ZERO
034439,000596: 31,3105           40001                           CS       L                                     
034440,000597: 31,3106           60001                           AD       L                                     
034441,000598: 31,3107           22007                           ZL                                             
034442,000599: 31,3110           00006                           EXTEND                                         
034443,000600: 31,3111           11642                           DV       TTF/8                                 
034444,000601: 31,3112           54130                           TS       BUF                                   #  - RATIO OF LAG-DIMINISHED TTF TO TTF
034445,000602: 31,3113           00006                           EXTEND                                         
034446,000603: 31,3114           70000                           SQUARE                                         
034447,000604: 31,3115           54131                           TS       BUF        +1                         
034448,000605: 31,3116           60130                           AD       BUF                                   
034449,000606: 31,3117           56131                           XCH      BUF        +1                         #  RATIO SQUARED - RATIO
034450,000607: 31,3120           60131                           AD       BUF        +1                         
034451,000608: 31,3121           54154                           TS       MPAC                                  #  COEFFICIENT FOR VGU TERM
034452,000609: 31,3122           60131                           AD       BUF        +1                         
034453,000610: 31,3123           50120                           INDEX    FIXLOC                                
034454,000611: 31,3124           54032                           TS       26D                                   #  COEFFICIENT FOR RDG-RGU TERM
034455,000612: 31,3125           60131                           AD       BUF        +1                         
034456,000613: 31,3126           50120                           INDEX    FIXLOC                                
034457,000614: 31,3127           54034                           TS       28D                                   #  COEFFICIENT FOR VDG TERM
034458,000615: 31,3130           60130                           AD       BUF                                   
034459,000616: 31,3131           64733                           AD       POSMAX                                
034460,000617: 31,3132           60131                           AD       BUF        +1                         
034461,000618: 31,3133           60131                           AD       BUF        +1                         
034462,000619: 31,3134           50120                           INDEX    FIXLOC                                
034463,000620: 31,3135           54036                           TS       30D                                   #  COEFFICIENT FOR ADG TERM
034464,000621: 
034465,000622: 31,3136           34755                           CAF      ZERO                                  
034466,000623: 31,3137           54163                           TS       MODE                                  
034467,000624: 
034468,000625: 31,3140           03656                           TC       INTPRETX                              
034469,000626: 31,3141           65361                           VXSC     PDDL                                  
034470,000627: 31,3142           03627                                    VGU                                   
034471,000628: 31,3143           00035                                    28D                                   
034472,000629: 31,3144           62757                           VXSC*    PDVL*                                 
034473,000630: 31,3145           02411                                    VDG,1                                 
034474,000631: 31,3146           02403                                    RDG,1                                 
034475,000632: 31,3147           70251                           VSU      V/SC                                  

Page 803

034477,000634: 31,3150           02627                                    RGU                                   
034478,000635: 31,3151           03643                                    TTF/8                                 
034479,000636: 31,3152           74342                           VSR2     VXSC                                  
034480,000637: 31,3153           00033                                    26D                                   
034481,000638: 31,3154           53255                           VAD      VAD                                   
034482,000639: 31,3155           74341                           V/SC     VXSC                                  
034483,000640: 31,3156           03643                                    TTF/8                                 
034484,000641: 31,3157           05656                                    3/4DP                                 
034485,000642: 31,3160           73725                           PDDL     VXSC*                                 
034486,000643: 31,3161           00037                                    30D                                   
034487,000644: 31,3162           02417                                    ADG,1                                 
034488,000645: 31,3163           77655                           VAD                                            
034489,000646: 31,3164           76505        AFCCALC1           VXM      VSL1                                  #  VERTGUID COMES HERE
034490,000647: 31,3165           02575                                    CG                                    
034491,000648: 31,3166           70315                           PDVL     V/SC                                  
034492,000649: 31,3167           01236                                    GDT/2                                 
034493,000650: 31,3170           05652                                    GSCALE                                
034494,000651: 31,3171           45445                           BVSU     STADR                                 
034495,000652: 31,3172           74523                           STORE    UNFC/2                                #  UNFC/2 NEED NOT BE UNITIZED
034496,000653: 31,3173           77646                           ABVAL                                          
034497,000654: 31,3174           17464        AFCCALC2           STODL    /AFC/                                 #  MAGNITUDE OF AFC FOR THROTTLE
034498,000655: 31,3175           03254                                    UNFC/2                                #  VERTICAL COMPONENT
034499,000656: 31,3176           65316                           DSQ      PDDL                                  
034500,000657: 31,3177           03256                                    UNFC/2     +2                         #  OUT-OF-PLANE
034501,000658: 31,3200           65316                           DSQ      PDDL                                  
034502,000659: 31,3201           05650                                    HIGHESTF                              
034503,000660: 31,3202           63471                           DDV      DSQ                                   
034504,000661: 31,3203           01244                                    MASS                                  #                         2    2    2
034505,000662: 31,3204           45225                           DSU      DSU                                   #  AMAXHORIZ = SQRT(ATOTAL - A  - A  )
034506,000663: 31,3205           71244                           BPL      DLOAD                                 #                             1    0
034507,000664: 31,3206           63210                                    AFCCALC3                              
034508,000665: 31,3207           06524                                    ZEROVECS                              
034509,000666: 31,3210           43366        AFCCALC3           SQRT     DAD                                   
034510,000667: 31,3211           03260                                    UNFC/2     +4                         
034511,000668: 31,3212           44244                           BPL      BDSU                                  
034512,000669: 31,3213           63216                                    AFCCLEND                              
034513,000670: 31,3214           03260                                    UNFC/2     +4                         
034514,000671: 31,3215           03260                           STORE    UNFC/2     +4                         
034515,000672: 31,3216           77776        AFCCLEND           EXIT                                           
034516,000673: 31,3217           03717                           TC       FASTCHNG                              
034517,000674: 
034518,000675: 31,3220           31346                           CA       WCHPHASE                              #  PREPARE FOR PHASE SWITCHING LOGIC
034519,000676: 31,3221           55621                           TS       WCHPHOLD                              
034520,000677: 31,3222           25623                           INCR     FLPASS0                               #  INCREMENT PASS COUNTER
034521,000678: 
034522,000679: 31,3223           51346        BRSPOT4            INDEX    WCHPHASE                              
034523,000680: 31,3224           12363                           TCF      AFTRGUID                              
034524,000681: 
034525,000682:                                                                                                  #  ****************************************************************************************************************
034526,000683:                                                                                                  #  NEW PHASE NOW?

Page 804

034528,000685:                                                                                                  #  ****************************************************************************************************************
034529,000686: 
034530,000687: 31,3225           51346        EXTLOGIC           INDEX    WCHPHASE                              #  IS TTF NEARER ZERO THAN CRITERION?
034531,000688: 31,3226           31423                           CA       TENDBRAK                              
034532,000689: 31,3227           61642                           AD       TTF/8                                 
034533,000690: 31,3230           00006                           EXTEND                                         
034534,000691: 31,3231           63240                           BZMF     CGCALC                                #  NO
034535,000692: 
034536,000693: 31,3232           03717                           TC       FASTCHNG                              #  YES:  INCREMENT WCHPHASE, ZERO FLPASS0
034537,000694: 
034538,000695: 31,3233           31621                           CA       WCHPHOLD                              
034539,000696: 31,3234           64753                           AD       ONE                                   
034540,000697: 31,3235           55346                           TS       WCHPHASE                              
034541,000698: 31,3236           34755                           CAF      ZERO                                  
034542,000699: 31,3237           55623                           TS       FLPASS0                               
034543,000700: 
034544,000701:                                                                                                  #                (CONTINUE TO CGCALC)
034545,000702: 
034546,000703:                                                                                                  #  ***************************************************************************************************************
034547,000704:                                                                                                  #  ERECT GUIDANCE-STABLE MEMBER TRANSFORMATION MATRIX
034548,000705:                                                                                                  #  ***************************************************************************************************************
034549,000706: 
034550,000707: 31,3240           35014        CGCALC             CAF      EBANK5                                
034551,000708: 31,3241           54003                           TS       EBANK                                 
034552,000709: 31,3242  E5,1435                                  EBANK=   TCGIBRAK                              
034553,000710: 31,3242           00006                           EXTEND                                         
034554,000711: 31,3243           51346                           INDEX    WCHPHASE                              
034555,000712: 31,3244           52400                           INDEX    TARGTDEX                              
034556,000713: 31,3245           31435                           DCA      TCGFBRAK                              
034557,000714: 31,3246           24006                           INCR     BBANK                                 
034558,000715: 31,3247           24006                           INCR     BBANK                                 
034559,000716: 31,3250  E7,1642                                  EBANK=   TTF/8                                 
034560,000717: 31,3250           61642                           AD       TTF/8                                 
034561,000718: 31,3251           56001                           XCH      L                                     
034562,000719: 31,3252           61642                           AD       TTF/8                                 
034563,000720: 31,3253           10000                           CCS      A                                     
034564,000721: 31,3254           10001                           CCS      L                                     
034565,000722: 31,3255           13306                           TCF      EXITSPOT                              
034566,000723: 31,3256           13306                           TCF      EXITSPOT                              
034567,000724: 31,3257           13260                           NOOP                                           
034568,000725: 
034569,000726: 31,3260           03656                           TC       INTPRETX                              
034570,000727: 31,3261           53575                           VLOAD    UNIT                                  
034571,000728: 31,3262           03635                                    LAND                                  
034572,000729: 31,3263           16575                           STODL    CG                                    
034573,000730: 31,3264           03643                                    TTF/8                                 
034574,000731: 31,3265           74203                           DMP*     VXSC                                  
034575,000732: 31,3266           02433                                    GAINBRAK,1                            #  NUMERO MYSTERIOSO
034576,000733: 31,3267           02265                                    ANGTERM                               
034577,000734: 31,3270           77655                           VAD                                            

Page 805

034579,000736: 31,3271           03635                                    LAND                                  
034580,000737: 31,3272           47051                           VSU      RTB                                   
034581,000738: 31,3273           03521                                    R                                     
034582,000739: 31,3274           21727                                    NORMUNIT                              
034583,000740: 31,3275           47035                           VXV      RTB                                   
034584,000741: 31,3276           03635                                    LAND                                  
034585,000742: 31,3277           21727                                    NORMUNIT                              
034586,000743: 31,3300           26603                           STOVL    CG         +6                         #  SECOND ROW
034587,000744: 31,3301           02575                                    CG                                    
034588,000745: 31,3302           76435                           VXV      VSL1                                  
034589,000746: 31,3303           02603                                    CG         +6                         
034590,000747: 31,3304           02611                           STORE    CG         +14                        
034591,000748: 31,3305           77776                           EXIT                                           
034592,000749: 

In the printout, the following two lines (and possibly the EXIT above) are circled in red.

034595,000752: 31,3306           51621        EXITSPOT           INDEX    WCHPHOLD                              
034596,000753: 31,3307           12367                           TCF      WHATEXIT                              
034597,000754: 
034598,000755:                                                                                                  #  ****************************************************************************************************************
034599,000756:                                                                                                  #  ROUTINES FOR EXITING FROM LANDING GUIDANCE
034600,000757:                                                                                                  #  ****************************************************************************************************************
034601,000758: 
034602,000759:                                                                                                  #  1.       EXGSUB IS THE RETURN WHEN GUIDSUB IS CALLED BY THE IGNITION ALGORITHM.
034603,000760: 
034604,000761:                                                                                                  #  2.       EXBRAK IN THE EXIT USED DURING THE BRAKING PHASE.   IN THIS CASE UNIT(R) IS THE WINDOW POINTING VECTOR.
034605,000762: 
034606,000763:                                                                                                  #  3.       EXNORM IS THE EXIT USED AT OTHER TIMES DURING THE BURN.
034607,000764: 
034608,000765:                                                                                                  #           (EXOVFLOW IS A SUBROUTINE OF EXBRAK AND EXNORM CALLED WHEN OVERFLOW OCCURRED ANYWHERE IN GUIDANCE.)
034609,000766: 
034610,000767: 31,3310           06042        EXGSUB             TC       INTPRET                               #  COMPUTE TRIM VELOCITY CORRECTION TERM
034611,000768: 31,3311           47175                           VLOAD    RTB                                   
034612,000769: 31,3312           03254                                    UNFC/2                                
034613,000770: 31,3313           21727                                    NORMUNIT                              
034614,000771: 31,3314           74361                           VXSC     VXSC                                  
034615,000772: 31,3315           03423                                    ZOOMTIME                              
034616,000773: 31,3316           22001                                    TRIMACCL                              
034617,000774: 31,3317           03254                           STORE    UNFC/2                                
034618,000775: 31,3320           77776                           EXIT                                           
034619,000776: 
034620,000777: 31,3321           11647                           CCS      NGUIDSUB                              
034621,000778: 31,3322           12406                           TCF      GUIDSUB                               
034622,000779: 31,3323           11646                           CCS      NIGNLOOP                              
034623,000780: 31,3324           13327                           TCF      +3                                    
034624,000781: 31,3325           05567                           TC       ALARM                                 
034625,000782: 31,3326           01412                           OCT      01412                                 
034626,000783: 
034627,000784: 31,3327           04635                 +3        TC       POSTJUMP                              
034628,000785: 31,3330           65103                           CADR     DDUMCALC                              
034629,000786: 
034630,000787: 31,3331           06042        EXBRAK             TC       INTPRET                               

Page 806

034632,000789: 31,3332           77775                           VLOAD                                          
034633,000790: 31,3333           03537                                    UNIT/R/                               
034634,000791: 31,3334           03262                           STORE    UNWC/2                                
034635,000792: 31,3335           77776                           EXIT                                           
034636,000793: 31,3336           13411                           TCF      STEER?                                
034637,000794: 

In the printout, there is a hand-drawn, downward-facing bracket, spanning the entire line below, hand-drawn in red.

034640,000797: 31,3337           06042        EXNORM             TC       INTPRET                               
034641,000798: 31,3340           52375                           VLOAD    VSU                                   
034642,000799: 31,3341           03635                                    LAND                                  
034643,000800: 31,3342           03521                                    R                                     
034644,000801: 31,3343           77634                           RTB                                            
034645,000802: 31,3344           21727                                    NORMUNIT                              
034646,000803: 31,3345           03262                           STORE    UNWC/2                                #  UNIT(LAND - R) IS TENTATIVE CHOICE
034647,000804: 31,3346           50235                           VXV      DOT                                   
034648,000805: 31,3347           02146                                    XNBPIP                                
034649,000806: 31,3350           02603                                    CG         +6                         
034650,000807: 31,3351           77776                           EXIT                                           #  WITH PROJ IN MPAC 1/8 REAL SIZE
034651,000808: 
034652,000809: 31,3352           40154                           CS       MPAC                                  #  GET COEFFICIENT FOR CG +14
034653,000810: 31,3353           63734                           AD       PROJMAX                               
034654,000811: 31,3354           64733                           AD       POSMAX                                
034655,000812: 31,3355           54130                           TS       BUF                                   
034656,000813: 31,3356           40130                           CS       BUF                                   
034657,000814: 31,3357           26130                           ADS      BUF                                   #  RESULT IS 0 IF PROJMAX - PROJ NEGATIVE
034658,000815: 
034659,000816: 31,3360           43735                           CS       PROJMIN                               #  GET COEFFICIENT FOR UNIT(LAND - R)
034660,000817: 31,3361           60154                           AD       MPAC                                  
034661,000818: 31,3362           64733                           AD       POSMAX                                
034662,000819: 31,3363           54131                           TS       BUF        +1                         
034663,000820: 31,3364           40131                           CS       BUF        +1                         
034664,000821: 31,3365           26131                           ADS      BUF        +1                         #  RESULT IS 0 IF PROJ - PROJMIN NEGATIVE
034665,000822: 
034666,000823: 31,3366           34751                           CAF      FOUR                                  
034667,000824: 31,3367           76245        UNWCLOOP           MASK     SIX                                   
034668,000825: 31,3370           54002                           TS       Q                                     
034669,000826: 31,3371           35014                           CA       EBANK5                                
034670,000827: 31,3372           54003                           TS       EBANK                                 
034671,000828: 31,3373  E5,1574                                  EBANK=   CG                                    
034672,000829: 31,3373           30130                           CA       BUF                                   
034673,000830: 31,3374           00006                           EXTEND                                         
034674,000831: 31,3375           50002                           INDEX    Q                                     
034675,000832: 31,3376           71610                           MP       CG         +14                        
034676,000833: 31,3377           24006                           INCR     BBANK                                 
034677,000834: 31,3400  E6,1661                                  EBANK=   UNWC/2                                
034678,000835: 31,3400           50002                           INDEX    Q                                     
034679,000836: 31,3401           53662                           DXCH     UNWC/2                                
034680,000837: 31,3402           00006                           EXTEND                                         
034681,000838: 31,3403           70131                           MP       BUF        +1                         
034682,000839: 31,3404           50002                           INDEX    Q                                     
034683,000840: 31,3405           21662                           DAS      UNWC/2                                

Page 807

034685,000842: 31,3406           10002                           CCS      Q                                     
034686,000843: 31,3407           13367                           TCF      UNWCLOOP                              
034687,000844: 
034688,000845: 31,3410           24006                           INCR     BBANK                                 
034689,000846: 31,3411  E7,1612                                  EBANK=   PIF                                   
034690,000847: 
034691,000848: 31,3411           30076        STEER?             CA       FLAGWRD2                              #  IF STEERSW DOWN NO OUTPUTS
034692,000849: 31,3412           74741                           MASK     STEERBIT                              
034693,000850: 31,3413           00006                           EXTEND                                         
034694,000851: 31,3414           13422                           BZF      RATESTOP                              
034695,000852: 
034696,000853: 31,3415           30121        EXVERT             CA       OVFIND                                #  IF OVERFLOW ANYWHERE IN GUIDANCE
034697,000854: 31,3416           00006                           EXTEND                                         #        DON'T CALL THROTTLE OR FINDCDUW
034698,000855: 31,3417           13432                           BZF      +13                                   
034699,000856: 
034700,000857: 31,3420           05567        EXOVFLOW           TC       ALARM                                 #  SOUND THE ALARM NON-ABORTIVELY.
034701,000858: 31,3421           01410                           OCT      01410                                 
034702,000859: 
034703,000860: 31,3422           34737        RATESTOP           CAF      BIT13                                 #  ARE WE IN ATTITUDE-HOLD?
034704,000861: 31,3423           00006                           EXTEND                                         
034705,000862: 31,3424           02031                           RAND     CHAN31                                
034706,000863: 31,3425           00006                           EXTEND                                         
034707,000864: 31,3426           13437                           BZF      DISPEXIT                              #  YES
034708,000865: 
034709,000866: 31,3427           04616                           TC       BANKCALL                              #  NO:  DO A STOPRATE
034710,000867: 31,3430           40166                           CADR     STOPRATE                              
034711,000868: 
034712,000869: 31,3431           13437                           TCF      DISPEXIT                              
034713,000870: 
034714,000871: 31,3432           02144        GDUMP1             TC       THROTTLE                              
034715,000872: 31,3433           06042                           TC       INTPRET                               
034716,000873: 31,3434           77624                           CALL                                           
034717,000874: 31,3435           61076                                    FINDCDUW   -2                         
034718,000875: 31,3436           77776                           EXIT                                           
034719,000876: 
034720,000877:                                                                                                  #                (CONTINUE TO DISPEXIT)
034721,000878: 
034722,000879:                                                                                                  #  ****************************************************************************************************************
034723,000880:                                                                                                  #  GUIDANCE LOOP DISPLAYS
034724,000881:                                                                                                  #  ****************************************************************************************************************
034725,000882: 
034726,000883: 31,3437           00006        DISPEXIT           EXTEND                                         #  KILL GROUP 3:  DISPLAYS WILL BE
034727,000884: 31,3440           34755                           DCA      NEG0                                  #        RESTORED BY NEXT GUIDANCE CYCLE
034728,000885: 31,3441           52756                           DXCH     -PHASE3                               
034729,000886: 
034730,000887: 31,3442  31,3442               ENDLLJOB           =        DISPEXIT   +3                         
034731,000888: 
034732,000889: 31,3442           40104                 +3        CS       FLAGWRD8                              #  IF FLUNDISP IS SET, NO DISPLAY THIS PASS

Page 808

034734,000891: 31,3443           74742                           MASK     FLUNDBIT                              
034735,000892: 31,3444           00006                           EXTEND                                         
034736,000893: 31,3445           15155                           BZF      ENDOFJOB                              
034737,000894: 
034738,000895: 31,3446           51621                           INDEX    WCHPHOLD                              
034739,000896: 31,3447           12371                           TCF      WHATDISP                              
034740,000897: 
034741,000898: 31,3450           33736        P63DISPS           CAF      V06N63                                
034742,000899: 31,3451           04616        DISPCOMN           TC       BANKCALL                              
034743,000900: 31,3452           20466                           CADR     REGODSP                               
034744,000901: 
034745,000902: 31,3453           31666        P64DISPS           CA       TREDES                                #  HAS TREDES REACHED ZERO?
034746,000903: 31,3454           00006                           EXTEND                                         
034747,000904: 31,3455           13476                           BZF      RED-OVER                              #  YES: CLEAR REDESIGNATION FLAG
034748,000905: 
034749,000906: 31,3456           40102                           CS       FLAGWRD6                              #  NO:  IS REDFLAG SET?
034750,000907: 31,3457           74746                           MASK     REDFLBIT                              
034751,000908: 31,3460           00006                           EXTEND                                         
034752,000909: 31,3461           13500                           BZF      REDES-OK                              #  YES:  DO STATIC DISPLAY
034753,000910: 
034754,000911: 31,3462           33737                           CAF      V06N64                                #  OTHERWISE USE FLASHING DISPLAY
034755,000912: 31,3463           04616                           TC       BANKCALL                              
034756,000913: 31,3464           20460                           CADR     REFLASH                               
034757,000914: 31,3465           16001                           TCF      GOTOPOOH                              #  TERMINATE
034758,000915: 31,3466           13470                           TCF      P64CEED                               #  PROCEED       PERMIT REDESIGNATIONS
034759,000916: 31,3467           13453                           TCF      P64DISPS                              #  RECYCLE
034760,000917: 

In the printout, the following three lines are grouped together by hand-drawn lines, in blue, to the left and the right.

034763,000920: 31,3470           34755        P64CEED            CAF      ZERO                                  
034764,000921: 31,3471           55446                           TS       ELINCR1                               
034765,000922: 31,3472           55445                           TS       AZINCR1                               
034766,000923: 
034767,000924: 31,3473           05504                           TC       UPFLAG                                #  ENABLE REDESIGNATION LOGIC
034768,000925: 31,3474           00143                           ADRES    REDFLAG                               
034769,000926: 
034770,000927: 31,3475           15155                           TCF      ENDOFJOB                              
034771,000928: 
034772,000929: 31,3476           05516        RED-OVER           TC       DOWNFLAG                              
034773,000930: 31,3477           00143                           ADRES    REDFLAG                               
034774,000931: 31,3500           33737        REDES-OK           CAF      V06N64                                
034775,000932: 31,3501           13451                           TCF      DISPCOMN                              
034776,000933: 
034777,000934: 
034778,000935: 31,3502           33740        VERTDISP           CAF      V06N60                                
034779,000936: 31,3503           04616                           TC       BANKCALL                              
034780,000937: 31,3504           20460                           CADR     REFLASH                               
034781,000938: 31,3505           16001                           TCF      GOTOPOOH                              #  TERMINATE
034782,000939: 31,3506           13510                           TCF      STOPFIRE                              #  PROCEED
034783,000940: 31,3507           13510                           TCF      STOPFIRE                              #  V32E
034784,000941: 
034785,000942: 31,3510           00004        STOPFIRE           INHINT                                         

Page 809

034787,000944: 31,3511           04616                           TC       BANKCALL                              
034788,000945: 31,3512           40154                           CADR     ZATTEROR                              
034789,000946: 31,3513           15155                           TCF      ENDOFJOB                              
034790,000947: 
034791,000948:                                                                                                  #  ****************************************************************************************************************
034792,000949:                                                                                                  #  GUIDANCE FOR P65
034793,000950:                                                                                                  #  ****************************************************************************************************************
034794,000951: 
034795,000952: 31,3514           11647        VERTGUID           CCS      WCHVERT                               

In the printout, in the line below, "TCF P67VERT" has been manually crossed out.

034798,000955: 31,3515           13524                           TCF      P67VERT                               #  POSITIVE NON-ZERO ---> P67
034799,000956: 31,3516           13522                           TCF      P66VERT                               #  +0
034800,000957: 
034801,000958:                                                                                                  #        THE P65 GUIDANCE EQUATION IS AS FOLLOWS:-
034802,000959: 
034803,000960:                                                                                                  #                      -      -
034804,000961:                                                                                                  #                      V2FG - VGU
034805,000962:                                                                                                  #                ACG = ----------
034806,000963:                                                                                                  #                        TAUVERT
034807,000964: 
034808,000965: 31,3517           06042        P65VERT            TC       INTPRET                               
034809,000966: 31,3520           77650                           GOTO                                           
034810,000967: 31,3521           65271                                    P65VERTA                              
034811,000968: 

Page 810

034813,000970:                                                                                                  #  ****************************************************************************************************************
034814,000971:                                                                                                  #  GUIDANCE FOR P66
034815,000972:                                                                                                  #  ****************************************************************************************************************
034816,000973: 
034817,000974: 31,3522           04635        P66VERT            TC       POSTJUMP                              
034818,000975: 31,3523           65277                           CADR     P66VERTA                              
034819,000976: 
034820,000977: 31,3524           05353        P67VERT            TC       PHASCHNG                              #  TERMINATE GROUP 3
034821,000978: 31,3525           00003                           OCT      00003                                 
034822,000979: 

In the printout, the following group of 4 lines has been manually scratched out.

034825,000982: 31,3526           06042                           TC       INTPRET                               
034826,000983: 31,3527           52175                           VLOAD    GOTO                                  
034827,000984: 31,3530           03527                                    V                                     
034828,000985: 31,3531           65526                                    VHORCOMP                              
034829,000986: 
034830,000987: 32,2000                                           SETLOC   P66LOC                                
034831,000988: 32,2000                                           BANK                                           
034832,000989: 32,3264                                           COUNT*   $$/F2DPS                              
034833,000990: 
034834,000991: 32,3264           37713        RODTASK            CAF      PRIO22                                
034835,000992: 32,3265           05105                           TC       FINDVAC                               
034836,000993: 32,3266  E7,1515                                  EBANK=   DVCNTR                                
034837,000994: 32,3266           03304 64067                     2CADR    RODCOMP                               
034838,000995: 
034839,000996: 32,3270           15261                           TCF      TASKOVER                              
034840,000997: 
034841,000998: 32,3271           52375        P65VERTA           VLOAD    VSU                                   
034842,000999: 32,3272           02511                                    V2FG                                  
034843,001000: 32,3273           03627                                    VGU                                   
034844,001001: 32,3274           52141                           V/SC     GOTO                                  
034845,001002: 32,3275           02517                                    TAUVERT                               
034846,001003: 32,3276           63164                                    AFCCALC1                              
034847,001004: 
034848,001005: 32,3277           05353        P66VERTA           TC       PHASCHNG                              #  TERMINATE GROUP 3.
034849,001006: 32,3300           00003                           OCT      00003                                 
034850,001007: 
034851,001008: 32,3301           34777                           CAF      1SEC                                  
034852,001009: 32,3302           05173                           TC       TWIDDLE                               
034853,001010: 32,3303           03264                           ADRES    RODTASK                               
034854,001011: 

In the printout, the INHINT below has a hand-drawn check-mark next to it.

034856,001013: 32,3304           00004        RODCOMP            INHINT                                         
034857,001014: 32,3305           34755                           CAF      ZERO                                  
034858,001015: 32,3306           57746                           XCH      RODCOUNT                              
034859,001016: 32,3307           00006                           EXTEND                                         
034860,001017: 32,3310           71756                           MP       RODSCAL1                              
034861,001018: 32,3311           21645                           DAS      VDGVERT                               #  UPDATE DESIRED ALTITUDE RATE.
034862,001019: 
034863,001020: 32,3312           00006                           EXTEND                                         #  SET OLDPIPAX,Y,Z = PIPAX,Y,Z
034864,001021: 32,3313           30040                           DCA      PIPAX                                 
034865,001022: 32,3314           53764                           DXCH     OLDPIPAX                              

Page 811

034867,001024: 32,3315           52071                           DXCH     RUPTREG1                              #  SET RUPTREG1,2,3 = OLDPIPAX,Y,Z
034868,001025: 32,3316           30041                           CA       PIPAZ                                 
034869,001026: 32,3317           57765                           XCH      OLDPIPAZ                              
034870,001027: 32,3320           56072                           XCH      RUPTREG3                              
034871,001028: 
034872,001029: 32,3321           00006                           EXTEND                                         #  SHAPSHOT TIME OF PIPA READING.
034873,001030: 32,3322           30025                           DCA      TIME2                                 
034874,001031: 32,3323           53762                           DXCH     THISTPIP                              
034875,001032: 
034876,001033: 32,3324           31763                           CA       OLDPIPAX                              
034877,001034: 32,3325           61157                           AD       PIPATMPX                              
034878,001035: 32,3326           54154                           TS       MPAC                                  #  MPAC(X) = PIPAX + PIPATMPX
034879,001036: 32,3327           31764                           CA       OLDPIPAY                              
034880,001037: 32,3330           61160                           AD       PIPATMPY                              
034881,001038: 32,3331           54157                           TS       MPAC       +3                         #  MPAC(Y) = PIPAY + PIPATMPY
034882,001039: 32,3332           31765                           CA       OLDPIPAZ                              
034883,001040: 32,3333           61161                           AD       PIPATMPZ                              
034884,001041: 32,3334           54161                           TS       MPAC       +5                         #  MPAC(Z) = PIPAZ + PIPATMPZ
034885,001042: 
034886,001043: 32,3335           41763                           CS       OLDPIPAX                              
034887,001044: 32,3336           61253                           AD       TEMX                                  
034888,001045: 32,3337           60070                           AD       RUPTREG1                              
034889,001046: 32,3340           55766                           TS       DELVROD                               
034890,001047: 32,3341           41764                           CS       OLDPIPAY                              
034891,001048: 32,3342           61254                           AD       TEMY                                  
034892,001049: 32,3343           60071                           AD       RUPTREG2                              
034893,001050: 32,3344           55770                           TS       DELVROD    +2                         
034894,001051: 32,3345           41765                           CS       OLDPIPAZ                              
034895,001052: 32,3346           61255                           AD       TEMZ                                  
034896,001053: 32,3347           60072                           AD       RUPTREG3                              
034897,001054: 32,3350           55772                           TS       DELVROD    +4                         
034898,001055: 
034899,001056: 32,3351           34755                           CAF      ZERO                                  
034900,001057: 32,3352           54155                           TS       MPAC       +1                         #  ZERO LO-ORDER MPAC COMPONENTS
034901,001058: 32,3353           54160                           TS       MPAC       +4                         
034902,001059: 32,3354           54162                           TS       MPAC       +6                         
034903,001060: 32,3355           55253                           TS       TEMX                                  #  ZERO TEMX, TEMY, AND TEMZ SO WE WILL
034904,001061: 32,3356           55254                           TS       TEMY                                  #        KNOW WHEN READACCS CHANGES THEM.
034905,001062: 32,3357           55255                           TS       TEMZ                                  
034906,001063: 32,3360           44753                           CS       ONE                                   

In the printout, to the right of the following two lines, there is a hand-written note. Don Eyles says he believes it reads "pipa accel", which makes sense given that the comment that follows refers to rescaling the PIPA reading in the MPAC.

034911,001068: 32,3361           54163                           TS       MODE                                  
034912,001069: 32,3362           06042                           TC       INTPRET                               
034913,001070: 32,3363           65361        ITRPNT1            VXSC     PDDL                                  #  SCALE MPAC TO M/CS *2(-7) AND PUSH    (6)
034914,001071: 32,3364           26022                                    KPIP1                                 
034915,001072: 32,3365           03762                                    THISTPIP                              
034916,001073: 32,3366           77625                           DSU                                            
034917,001074: 32,3367           01234                                    PIPTIME                               
034918,001075: 32,3370           00037                           STORE    30D                                   #  30-31D CONTAINS TIME IN CS SINCE PIPTIME
034919,001076: 32,3371           63271                           DDV      PDVL                                  #                                        (8)
034920,001077: 32,3372           27112                                    4SEC(28)                              

Page 812

034922,001079: 32,3373           01236                                    GDT/2                                 
034923,001080: 32,3374           74251                           VSU      VXSC                                  #                                        (6)
034924,001081: 32,3375           02621                                    VBIAS                                 
034925,001082: 32,3376           53352                           VSL2     VAD                                   
034926,001083: 32,3377           03527                                    V                                     
034927,001084: 32,3400           45455                           VAD      STADR                                 #                                        (0)
034928,001085: 32,3401           53746                           STOVL    24D                                   #  STORE UPDATED VELOCITY IN 24-29D
034929,001086: 32,3402           03521                                    R                                     
034930,001087: 32,3403           77656                           UNIT                                           
034931,001088: 32,3404           00017                           STORE    14D                                   
034932,001089: 32,3405           72441                           DOT      SL1                                   
034933,001090: 32,3406           00031                                    24D                                   
034934,001091: 32,3407           17474                           STODL    HDOTDISP                              #  UPDATE ALTITUDE RATE FOR NOUN 60
034935,001092: 32,3410           00037                                    30D                                   
034936,001093: 32,3411           41261                           SL       DMP                                   
034937,001094: 32,3412           20214                                    11D                                   
034938,001095: 32,3413           03474                                    HDOTDISP                              
034939,001096: 32,3414           45215                           DAD      DSU                                   
034940,001097: 32,3415           00045                                    36D                                   
034941,001098: 32,3416           02333                                    /LAND/                                
034942,001099: 32,3417           17775                           STODL    HCALC1                                #  UPDATE ALTITUDE FOR NOUN 60
034943,001100: 32,3420           03474                                    HDOTDISP                              
034944,001101: 32,3421           56221                           BDSU     DDV                                   
034945,001102: 32,3422           03645                                    VDGVERT                               
034946,001103: 32,3423           02541                                    TAUROD                                
034947,001104: 32,3424           51515                           PDVL     ABVAL                                 #                                (2)
034948,001105: 32,3425           01236                                    GDT/2                                 
034949,001106: 32,3426           60471                           DDV      SR2                                   
034950,001107: 32,3427           05652                                    GSCALE                                
034951,001108: 32,3430           00025                           STORE    20D                                   
034952,001109: 32,3431           77615                           DAD                                            #                                (0)
034953,001110: 32,3432           45115                           PDVL     CALL                                  #                                (2)
034954,001111: 32,3433           06522                                    UNITX                                 
034955,001112: 32,3434           47663                                    CDU*NBSM                              
034956,001113: 32,3435           77641                           DOT                                            
034957,001114: 32,3436           00017                                    14D                                   
034958,001115: 32,3437           00027                           STORE    22D                                   
034959,001116: 32,3440           45465                           BDDV     STADR                                 #                                (0)
034960,001117: 32,3441           50313                           STOVL    /AFC/                                 
034961,001118: 32,3442           03767                                    DELVROD                               
034962,001119: 32,3443           53361                           VXSC     VAD                                   
034963,001120: 32,3444           26022                                    KPIP1                                 
034964,001121: 32,3445           02621                                    VBIAS                                 
034965,001122: 32,3446           65246                           ABVAL    PDDL                                  #                                (2)
034966,001123: 32,3447           03762                                    THISTPIP                              
034967,001124: 32,3450           65225                           DSU      PDDL                                  #                                (4)
034968,001125: 32,3451           03760                                    LASTTPIP                              
034969,001126: 32,3452           03762                                    THISTPIP                              
034970,001127: 32,3453           17760                           STODL    LASTTPIP                              #                                (2)
034971,001128: 32,3454           55271                           DDV      BDDV                                  #                                (0)

Page 813

034973,001130: 32,3455           25544                                    SHFTFACT                              
034974,001131: 32,3456           41325                           PDDL     DMP                                   #                                (2)
034975,001132: 32,3457           03611                                    FWEIGHT                               
034976,001133: 32,3460           25543                                    BIT1H                                 
034977,001134: 32,3461           56271                           DDV      DDV                                   
034978,001135: 32,3462           01244                                    MASS                                  
034979,001136: 32,3463           22006                                    SCALEFAC                              
034980,001137: 32,3464           65215                           DAD      PDDL                                  #                                (4)
034981,001138: 32,3465           00001                                    0D                                    
034982,001139: 32,3466           00025                                    20D                                   
034983,001140: 32,3467           45271                           DDV      DSU                                   #                                (2)
034984,001141: 32,3470           00027                                    22D                                   
034985,001142: 32,3471           43205                           DMP      DAD                                   

In the printout, there is a hand-written arrow pointing at "LAG/TAU" in the line below.

034987,001144: 32,3472           02543                                    LAG/TAU                               
034988,001145: 32,3473           03464                                    /AFC/                                 
034989,001146: 32,3474           56325                           PDDL     DDV                                   #                                (4)
034990,001147: 32,3475           02547                                    MAXFORCE                              
034991,001148: 32,3476           01244                                    MASS                                  
034992,001149: 32,3477           56325                           PDDL     DDV                                   #                                (6)
034993,001150: 32,3500           02545                                    MINFORCE                              
034994,001151: 32,3501           01244                                    MASS                                  
034995,001152: 32,3502           44206                           PUSH     BDSU                                  #                                (8)
034996,001153: 32,3503           00003                                    2D                                    
034997,001154: 32,3504           71240                           BMN      DLOAD                                 #                                (6)
034998,001155: 32,3505           65513                                    AFCSPOT                               
034999,001156: 32,3506           41545                           DLOAD    PUSH                                  #                                (6)
035000,001157: 32,3507           51021                           BDSU     BPL                                   
035001,001158: 32,3510           00003                                    2D                                    
035002,001159: 32,3511           65513                                    AFCSPOT                               
035003,001160: 32,3512           77745                           DLOAD                                          #                                (4)
035004,001161: 32,3513           77745        AFCSPOT            DLOAD                                          #                     (2),(4),OR (6)
035005,001162: 32,3514           77601                           SETPD                                          #                                (2)
035006,001163: 32,3515           00003                                    2D                                    
035007,001164: 32,3516           17464                           STODL    /AFC/                                 #                                (0)
035008,001165: 32,3517           77776        ITRPNT2            EXIT                                           
035009,001166: 32,3520           52155                           DXCH     MPAC                                  #  MPAC = MEASURED ACCELERATION.
035010,001167: 32,3521           04616                           TC       BANKCALL                              
035011,001168: 32,3522           62147                           CADR     THROTTLE   +3                         
035012,001169: 32,3523           06042                           TC       INTPRET                               
035013,001170: 32,3524           77775                           VLOAD                                          #  PICK UP UPDATED VELOCITY VECTOR.
035014,001171: 32,3525           00031                                    24D                                   
035015,001172: 32,3526           53352        VHORCOMP           VSL2     VAD                                   
035016,001173: 32,3527           03734                                    DELVS                                 
035017,001174: 32,3530           63342                           VSR2     PDVL                                  #                                (6)
035018,001175: 32,3531           03521                                    R                                     
035019,001176: 32,3532           74256                           UNIT     VXSC                                  
035020,001177: 32,3533           03474                                    HDOTDISP                              
035021,001178: 32,3534           51372                           VSL1     BVSU                                  #                                (0)
035022,001179: 32,3535           77646                           ABVAL                                          
035023,001180: 32,3536           02263                           STORE    VHORIZ                                #  UPDATE HORIZONTAL VELOCITY FOR NOUN 60

Page 814

035025,001182: 32,3537           77776                           EXIT                                           
035026,001183: 32,3540           04616                           TC       BANKCALL                              #  PUT UP V06N60 DISPLAY BUT AVOID PHASCHNG
035027,001184: 32,3541           63442                           CADR     DISPEXIT   +3                         
035028,001185: 
035029,001186: 32,3542           00001        BIT1H              OCT      00001                                 
035030,001187: 32,3543           00000 04000  SHFTFACT           2DEC     1          B-17                       
035031,001188: 32,3545           00000 05075  BIASFACT           2DEC     655.36     B-26                       
035032,001189: 
035033,001190:                                                                                                  #  ****************************************************************************************************************
035034,001191:                                                                                                  #  REDESIGNATOR TRAP
035035,001192:                                                                                                  #  ****************************************************************************************************************
035036,001193: 
035037,001194: 11,2302                                           BANK     11                                    
035038,001195: 11,2000                                           SETLOC   F2DPS*11                              
035039,001196: 11,2000                                           BANK                                           
035040,001197: 
035041,001198: 11,2302                                           COUNT*   $$/F2DPS                              
035042,001199: 
035043,001200: 11,2302           56016        PITFALL            XCH      BANKRUPT                              
035044,001201: 11,2303           00006                           EXTEND                                         
035045,001202: 11,2304           22012                           QXCH     QRUPT                                 
035046,001203: 
035047,001204: 11,2305           05321                           TC       CHECKMM                               #  IF NOT IN P64, NO REASON TO CONTINUE
035048,001205: 11,2306           00100                           DEC      64         B-14                       
035049,001206: 11,2307           15270                           TCF      RESUME                                
035050,001207: 
035051,001208: 11,2310           00006                           EXTEND                                         
035052,001209: 11,2311           00031                           READ     CHAN31                                
035053,001210: 11,2312           40000                           COM                                            
035054,001211: 11,2313           72401                           MASK     ALL4BITS                              
035055,001212: 11,2314           55444                           TS       ELVIRA                                
035056,001213: 11,2315           34752                           CAF      TWO                                   
035057,001214: 11,2316           55443                           TS       ZERLINA                               
035058,001215: 11,2317           34756                           CAF      FIVE                                  
035059,001216: 11,2320           05173                           TC       TWIDDLE                               
035060,001217: 11,2321           02326                           ADRES    REDESMON                              
035061,001218: 11,2322           15270                           TCF      RESUME                                
035062,001219: 
035063,001220:                                                                                                  #  REDESIGNATION MONITOR (INITIATED BY PITFALL)
035064,001221: 
035065,001222: 11,2323           55443        PREMON1            TS       ZERLINA                               
035066,001223: 11,2324           34757        PREMON2            CAF      SEVEN                                 
035067,001224: 11,2325           05224                           TC       VARDELAY                              
035068,001225: 11,2326           00006        REDESMON           EXTEND                                         
035069,001226: 11,2327           00031                           READ     31                                    
035070,001227: 11,2330           40000                           COM                                            
035071,001228: 11,2331           72401                           MASK     ALL4BITS                              

Page 815

035073,001230: 11,2332           57444                           XCH      ELVIRA                                
035074,001231: 11,2333           54001                           TS       L                                     
035075,001232: 11,2334           11444                           CCS      ELVIRA                                #  DO ANY BITS APPEAR THIS PASS?
035076,001233: 11,2335           12324                           TCF      PREMON2                               #  Y:    CONTINUE MONITOR
035077,001234: 
035078,001235: 11,2336           10001                           CCS      L                                     #  N:    ANY LAST PASS?
035079,001236: 11,2337           12347                           TCF      COUNT'EM                              #        Y:      COUNT 'EM, RESET RUPT, TERMINATE
035080,001237: 11,2340           11443                           CCS      ZERLINA                               #        N:      HAS ZERLINA REACHED ZERO YET?
035081,001238: 11,2341           12323                           TCF      PREMON1                               #                N:      DIMINISH ZERLINA, CONTINUE
035082,001239: 11,2342           06022        RESETRPT           TC       C13STALL                              #                Y:      RESET RUPT, TERMINATE
035083,001240: 11,2343           34740                           CAF      BIT12                                 
035084,001241: 11,2344           00006                           EXTEND                                         
035085,001242: 11,2345           05013                           WOR      CHAN13                                
035086,001243: 11,2346           15261                           TCF      TASKOVER                              
035087,001244: 
035088,001245: 11,2347           34737        COUNT'EM           CAF      BIT13                                 #  ARE WE IN ATTITUDE-HOLD?
035089,001246: 11,2350           00006                           EXTEND                                         
035090,001247: 11,2351           02031                           RAND     CHAN31                                
035091,001248: 11,2352           00006                           EXTEND                                         
035092,001249: 11,2353           12342                           BZF      RESETRPT                              #  YES: SKIP REDESIGNATION LOGIC.
035093,001250: 
035094,001251: 11,2354           30001                           CA       L                                     #  NO
035095,001252: 11,2355           74746                           MASK     -AZBIT                                
035096,001253: 11,2356           10000                           CCS      A                                     
035097,001254: 11,2357           42402        -AZ                CS       AZEACH                                
035098,001255: 11,2360           27445                           ADS      AZINCR1                               
035099,001256: 11,2361           30001                           CA       L                                     
035100,001257: 11,2362           74747                           MASK     +AZBIT                                
035101,001258: 11,2363           10000                           CCS      A                                     
035102,001259: 11,2364           32402        +AZ                CA       AZEACH                                
035103,001260: 11,2365           27445                           ADS      AZINCR1                               
035104,001261: 11,2366           30001                           CA       L                                     
035105,001262: 11,2367           74753                           MASK     -ELBIT                                
035106,001263: 11,2370           10000                           CCS      A                                     
035107,001264: 11,2371           42403        -EL                CS       ELEACH                                
035108,001265: 11,2372           27446                           ADS      ELINCR1                               
035109,001266: 11,2373           30001                           CA       L                                     
035110,001267: 11,2374           74752                           MASK     +ELBIT                                
035111,001268: 11,2375           10000                           CCS      A                                     
035112,001269: 11,2376           32403        +EL                CA       ELEACH                                
035113,001270: 11,2377           27446                           ADS      ELINCR1                               
035114,001271: 11,2400           12342                           TCF      RESETRPT                              
035115,001272: 
035116,001273:                                                                                                  #  THESE EQUIVALENCIES ARE BASED ON GSOP CHAPTER 4, REVISION 16 OF P64LM
035117,001274: 
035118,001275: 11,2401     4752               +ELBIT             =        BIT2                                  #  -PITCH

Page 816

035120,001277: 11,2401     4753               -ELBIT             =        BIT1                                  #  +PITCH
035121,001278: 11,2401     4747               +AZBIT             =        BIT5                                  
035122,001279: 11,2401     4746               -AZBIT             =        BIT6                                  
035123,001280: 
035124,001281: 11,2401           00063        ALL4BITS           OCT      00063                                 
035125,001282: 11,2402           01074        AZEACH             DEC      .03491                                #  2 DEGREES
035126,001283: 11,2403           00217        ELEACH             DEC      .00873                                #  1/2 DEGREE
035127,001284: 
035128,001285:                                                                                                  #  ****************************************************************************************************************
035129,001286:                                                                                                  #  R.O.D. TRAP
035130,001287:                                                                                                  #  ************************************************************************
035131,001288: 
035132,001289: 23,2000                                           SETLOC   RODTRAP                               
035133,001290: 23,2000                                           BANK                                           
035134,001291: 23,2455                                           COUNT*   $$/F2DPS                              #  ****************************************
035135,001292: 
035136,001293: 23,2455           74745        DESCBITS           MASK     BIT7                                  #  COME HERE FROM MARKRUPT CODING WITH BIT
035137,001294: 23,2456           10000                           CCS      A                                     #        7 OR 6 OF CHANNEL 16 IN A: BIT 7 MEANS
035138,001295: 23,2457           44752                           CS       TWO                                   #        - RATE INCREMENT, BIT 6 + INCREMENT
035139,001296: 23,2460           64753                           AD       ONE                                   
035140,001297: 23,2461           27746                           ADS      RODCOUNT                              
035141,001298: 23,2462           15270                           TCF      RESUME                                #  TRAP IS RESET WHEN SWITCH IS RELEASED
035142,001299: 
035143,001300: 31,3532                                           BANK     31                                    
035144,001301: 31,2000                                           SETLOC   F2DPS*31                              
035145,001302: 31,2000                                           BANK                                           
035146,001303: 
035147,001304: 31,3532                                           COUNT*   $$/F2DPS                              
035148,001305: 
035149,001306:                                                                                                  #  ****************************************************************************************************************
035150,001307:                                                                                                  #  DOUBLE PRECISION ROOT FINDER SUBROUTINE (BY ALLAN KLUMPP)
035151,001308:                                                                                                  #  ****************************************************************************************************************
035152,001309: 
035153,001310:                                                                                                  #                                                       N        N-1
035154,001311:                                                                                                  #        ROOTPSRS FINDS ONE ROOT OF THE POWER SERIES A X  + A   X    + ... + A X + A
035155,001312:                                                                                                  #                                                     N      N-1              1     0
035156,001313: 
035157,001314:                                                                                                  #  USING NEWTON'S METHOD STARTING WITH AN INITIAL GUESS FOR THE ROOT.  THE ENTERING DATA MUST BE AS FOLLOWS:

Page 817

035159,001316:                                                                                                  #        A       SP      LOC-3           ADRES FOR REFERENCING PWR COF TABL
035160,001317:                                                                                                  #        L       SP      N-1             N IS THE DEGREE OF THE POWER SERIES
035161,001318:                                                                                                  #        MPAC    DP      X               INITIAL GUESS FOR ROOT
035162,001319: 
035163,001320:                                                                                                  #        LOC-2N  DP      A(0)
035164,001321:                                                                                                  #                ...
035165,001322:                                                                                                  #        LOC     DP      A(N)
035166,001323:                                                                                                  #        LOC+2   SP      PRECROOT         PREC RQD OF ROOT (AS FRACT OF 1ST GUESS)
035167,001324: 
035168,001325:                                                                                                  #  THE DP RESULT IS LEFT IN MPAC UPON EXIT, AND A SP COUNT OF THE ITERATIONS TO CONVERGENCE IS LEFT IN MPAC+2.
035169,001326:                                                                                                  #  RETURN IS NORMALLY TO LOC(TC ROOTPSRS)+3.  IF ROOTPSRS FAILS TO CONVERGE IN 8 PASSES, RETURN IS TO LOC+1 AND
035170,001327:                                                                                                  #  OUTPUTS ARE NOT TO BE TRUSTED.
035171,001328: 
035172,001329:                                                                                                  #  PRECAUTION:  ROOTPSRS MAKES NO CHECKS FOR OVERFLOW OR FOR IMPROPER USAGE.  IMPROPER USAGE COULD
035173,001330:                                                                                                  #  PRECLUDE CONVERGENCE OR REQUIRE EXCESSIVE ITERATIONS.  AS A SPECIFIC EXAMPLE, ROOTPSRS FORMS A DERIVATIVE
035174,001331:                                                                                                  #  COEFFICIENT TABLE BY MULTIPLYING EACH A(I) BY I, WHERE I RANGES FROM 1 TO N.  IF AN ELEMENT OF THE DERIVATIVE
035175,001332:                                                                                                  #  COEFFICIENT TABLE = 1 OR >1 IN MAGNITUDE, ONLY THE EXCESS IS RETAINED.  ROOTPSRS MAY CONVERGE ON THE CORRECT
035176,001333:                                                                                                  #  ROOT NONETHELESS, BUT IT MAY TAKE AN EXCESSIVE NUMBER OF ITERATIONS.  THEREFORE THE USER SHOULD RECOGNIZE:
035177,001334:                                                                                                  #        1.  USER'S RESPONSIBILITY TO ASSURE THAT I X A(I) < 1 IN MAGNITUDE FOR ALL I.
035178,001335:                                                                                                  #        2.  USER'S RESPONSIBILITY TO ASSURE OVERFLOW WILL NOT OCCUR IN EVALUATING EITHER THE RESIDUAL OR THE DERIVATIVE
035179,001336:                                                                                                  #            POWER SERIES.  THIS OVERFLOW WOULD BE PRODUCED BY SUBROUTINE POWRSERS, CALLED BY ROOTPSRS, AND MIGHT NOT
035180,001337:                                                                                                  #            PRECLUDE EVENTUAL CONVERGENCE.
035181,001338:                                                                                                  #        3.  AT PRESENT, ERASABLE LOCATIONS ARE RESERVED ONLY FOR N UP TO 5.  AN N IN EXCESS OF 5 WILL PRODUCE CHAOS.
035182,001339:                                                                                                  #            ALL ERASABLES USED BY ROOTPSRS ARE UNSWITCHED LOCATED IN THE REGION FROM MPAC-33 OCT TO MPAC+7.
035183,001340:                                                                                                  #        4.  THE ITERATION COUNT RETURNED IN MPAC+2 MAY BE USED TO DETECT ABNORMAL PERFORMANCE.
035184,001341: 
035185,001342:                                                                                                  #  STORE ENTERING DATA, INITLIZE ERASABLES
035186,001343: 31,3532           00006        ROOTPSRS           EXTEND                                         

In the printout, the following two instructions are manually encircled.

035188,001345: 31,3533           22132                           QXCH     RETROOT                               #  RETURN ADRES
035189,001346: 31,3534           54117                           TS       PWRPTR                                #  PWR TABL POINTER
035190,001347: 31,3535           52160                           DXCH     MPAC       +3                         #  PWR TABL ADRES, N-1
035191,001348: 31,3536           33655                           CA       DERTABLL                              
035192,001349: 31,3537           54141                           TS       DERPTR                                #  DER TABL POINTER
035193,001350: 31,3540           54161                           TS       MPAC       +5                         #  DER TABL ADRES
035194,001351: 31,3541           10160                           CCS      MPAC       +4                         #  NO POWER SERIES OF DEGREE 1 OR LESS
035195,001352: 31,3542           54162                           TS       MPAC       +6                         #  N-2
035196,001353: 31,3543           34755                           CA       ZERO                                  #  MODE USED AS ITERATION COUNTER.  MODE
035197,001354: 31,3544           54163                           TS       MODE                                  #  MUST BE POS SO ABS WON'T COMP MPAC+3 ETC
035198,001355: 
035199,001356:                                                                                                  #  COMPUTE CRITERION TO STOP ITERATING
035200,001357: 31,3545           00006                           EXTEND                                         
035201,001358: 31,3546           30155                           DCA      MPAC                                  #  FETCH ROOT GUESS, KEEPING IT IN MPAC
035202,001359: 31,3547           52127                           DXCH     ROOTPS                                #  AND IN ROOTPS
035203,001360: 31,3550           50157                           INDEX    MPAC       +3                         #  PWR TABL ADRES

Page 818

035205,001362: 31,3551           30005                           CA       5                                     #  PRECROOT TO A
035206,001363: 31,3552           07312                           TC       SHORTMP                               #  YIELDS DP PRODUCT IN MPAC
035207,001364: 31,3553           04713                           TC       USPRCADR                              
035208,001365: 31,3554           01226                           CADR     ABS                                   #  YIELDS ABVAL OF CRITERION ON DX IN MPAC
035209,001366: 31,3555           52155                           DXCH     MPAC                                  
035210,001367: 31,3556           52125                           DXCH     DXCRIT                                #  CRITERION
035211,001368: 
035212,001369:                                                                                                  #  SET UP DER COF TABL
035213,001370: 31,3557           00006                           EXTEND                                         
035214,001371: 31,3560           50117                           INDEX    PWRPTR                                
035215,001372: 31,3561           30004                           DCA      3                                     
035216,001373: 31,3562           52155                           DXCH     MPAC                                  #  A(N) TO MPAC
035217,001374: 
035218,001375: 31,3563           30160                           CA       MPAC       +4                         #  N-1 TO A
035219,001376: 
035220,001377: 31,3564           54140        DERCLOOP           TS       PWRCNT                                #  LOOP COUNTER
035221,001378: 31,3565           64753                           AD       ONE                                   
035222,001379: 31,3566           07321                           TC       DMPNSUB                               #  YIELDS DERCOF = I X A(I) IN MPAC
035223,001380: 31,3567           00006                           EXTEND                                         
035224,001381: 31,3570           50117                           INDEX    PWRPTR                                
035225,001382: 31,3571           30002                           DCA      1                                     
035226,001383: 31,3572           52155                           DXCH     MPAC                                  #  A(I-1) TO MPAC, FETCHING DERCOF
035227,001384: 31,3573           50141                           INDEX    DERPTR                                
035228,001385: 31,3574           52004                           DXCH     3                                     #  DERCOF TO DER TABL
035229,001386: 31,3575           44752                           CS       TWO                                   
035230,001387: 31,3576           26117                           ADS      PWRPTR                                #  DECREMENT PWR POINTER
035231,001388: 31,3577           44752                           CS       TWO                                   
035232,001389: 31,3600           26141                           ADS      DERPTR                                #  DECREMENT DER POINTER
035233,001390: 31,3601           10140                           CCS      PWRCNT                                
035234,001391: 31,3602           13564                           TCF      DERCLOOP                              
035235,001392: 
035236,001393:                                                                                                  #  CONVERGE ON ROOT
035237,001394: 31,3603           00006        ROOTLOOP           EXTEND                                         
035238,001395: 31,3604           30127                           DCA      ROOTPS                                #  FETCH CURRENT ROOT
035239,001396: 31,3605           52155                           DXCH     MPAC                                  #  LEAVE IN MPAC
035240,001397: 31,3606           00006                           EXTEND                                         
035241,001398: 31,3607           30162                           DCA      MPAC       +5                         #  LOAD A, L WITH DER TABL ADRES, N-2
035242,001399: 31,3610           07220                           TC       POWRSERS                              #  YIELDS DERIVATIVE IN MPAC
035243,001400: 
035244,001401: 31,3611           00006                           EXTEND                                         
035245,001402: 31,3612           30127                           DCA      ROOTPS                                
035246,001403: 31,3613           52155                           DXCH     MPAC                                  #  CURRENT ROOT TO MPAC, FETCHING DERIVTIVE
035247,001404: 31,3614           52131                           DXCH     BUF                                   #  LEAVE DERIVATIVE IN BUF AS DIVISOR
035248,001405: 31,3615           00006                           EXTEND                                         
035249,001406: 31,3616           30160                           DCA      MPAC       +3                         #  LOAD A, L WITH PWR TABL ADRES, N-1
035250,001407: 31,3617           07220                           TC       POWRSERS                              #  YIELDS RESIDUAL IN MPAC
035251,001408: 
035252,001409: 31,3620           04713                           TC       USPRCADR                              

Page 819

035254,001411: 31,3621           00353                           CADR     DDV/BDDV                              #  YIELDS -DX IN MPAC
035255,001412: 
035256,001413: 31,3622           00006                           EXTEND                                         
035257,001414: 31,3623           40155                           DCS      MPAC                                  #  FETCH DX, LEAVING -DX IN MPAC
035258,001415: 31,3624           20127                           DAS      ROOTPS                                #  CORRECTED ROOT NOW IN ROOTPS
035259,001416: 
035260,001417: 31,3625           04713                           TC       USPRCADR                              
035261,001418: 31,3626           01226                           CADR     ABS                                   #  YIELDS ABS(DX) IN MPAC
035262,001419: 31,3627           00006                           EXTEND                                         
035263,001420: 31,3630           40125                           DCS      DXCRIT                                
035264,001421: 31,3631           20155                           DAS      MPAC                                  #  ABS(DX)-ABS(DXCRIT) IN MPAC
035265,001422: 
035266,001423: 31,3632           30163                           CA       MODE                                  
035267,001424: 31,3633           74750                           MASK     BIT4                                  #  KLUMPP SAYS GIVE UP AFTER EIGHT PASSES
035268,001425: 31,3634           10000                           CCS      A                                     
035269,001426: 31,3635           00132        BADROOT            TC       RETROOT                               
035270,001427: 
035271,001428: 31,3636           24163                           INCR     MODE                                  #  INCREMENT ITERATION COUNTER
035272,001429: 31,3637           10154                           CCS      MPAC                                  #  TEST HI ORDER DX
035273,001430: 31,3640           13603                           TCF      ROOTLOOP                              
035274,001431: 31,3641           13643                           TCF      TESTLODX                              
035275,001432: 31,3642           13647                           TCF      ROOTSTOR                              
035276,001433: 31,3643           10155        TESTLODX           CCS      MPAC       +1                         #  TEST LO ORDER DX
035277,001434: 31,3644           13603                           TCF      ROOTLOOP                              
035278,001435: 31,3645           13647                           TCF      ROOTSTOR                              
035279,001436: 31,3646           13647                           TCF      ROOTSTOR                              
035280,001437: 31,3647           52127        ROOTSTOR           DXCH     ROOTPS                                
035281,001438: 31,3650           52155                           DXCH     MPAC                                  
035282,001439: 31,3651           30163                           CA       MODE                                  
035283,001440: 31,3652           54156                           TS       MPAC       +2                         #  STORE SP ITERATION COUNT IN MPAC+2
035284,001441: 31,3653           50132                           INDEX    RETROOT                               
035285,001442: 31,3654           10002                           TCF      2                                     
035286,001443: 
035287,001444: 31,3655           00147        DERTABLL           ADRES    DERCOFN    -3                         
035288,001445: 
035289,001446:                                                                                                  #  ****************************************************************************************************************
035290,001447:                                                                                                  #  TRASHY LITTLE SUBROUTINES
035291,001448:                                                                                                  #  ****************************************************************************************************************
035292,001449: 
035293,001450: 31,3656           51346        INTPRETX           INDEX    WCHPHASE                              #  SET X1 ON THE WAY TO THE INTERPRETER
035294,001451: 31,3657           42400                           CS       TARGTDEX                              
035295,001452: 31,3660           50120                           INDEX    FIXLOC                                
035296,001453: 31,3661           54046                           TS       X1                                    
035297,001454: 31,3662           16042                           TCF      INTPRET                               
035298,001455: 
035299,001456: 31,3663           31642        TDISPSET           CA       TTF/8                                 
035300,001457: 31,3664           00006                           EXTEND                                         
035301,001458: 31,3665           74750                           MP       TSCALINV                              

Page 820

035303,001460: 31,3666           53476                           DXCH     TTFDISP                               
035304,001461: 
035305,001462: 31,3667           35014                           CA       EBANK5                                #  TREDES BECOMES ZERO TWO PASSES
035306,001463: 31,3670           54003                           TS       EBANK                                 #        BEFORE TCGFAPPR IS REACHED
035307,001464: 31,3671  E5,1470                                  EBANK=   TCGFAPPR                              
035308,001465: 31,3671           31470                           CA       TCGFAPPR                              
035309,001466: 31,3672           24006                           INCR     BBANK                                 
035310,001467: 31,3673           24006                           INCR     BBANK                                 
035311,001468: 31,3674  E7,1642                                  EBANK=   TTF/8                                 
035312,001469: 31,3674           61642                           AD       TTF/8                                 
035313,001470: 31,3675           00006                           EXTEND                                         
035314,001471: 31,3676           73731                           MP       TREDESCL                              
035315,001472: 31,3677           63726                           AD       -DEC103                               
035316,001473: 31,3700           64735                           AD       NEGMAX                                
035317,001474: 31,3701           54001                           TS       L                                     
035318,001475: 31,3702           40001                           CS       L                                     
035319,001476: 31,3703           60001                           AD       L                                     
035320,001477: 31,3704           63730                           AD       +DEC99                                
035321,001478: 31,3705           64733                           AD       POSMAX                                
035322,001479: 31,3706           55666                           TS       TREDES                                
035323,001480: 31,3707           41666                           CS       TREDES                                
035324,001481: 31,3710           27666                           ADS      TREDES                                
035325,001482: 31,3711           00002                           TC       Q                                     
035326,001483: 
035327,001484: 31,3712           05642        1406POO            TC       POODOO                                
035328,001485: 31,3713           21406                           OCT      21406                                 
035329,001486: 31,3714           05567        1406ALM            TC       ALARM                                 
035330,001487: 31,3715           01406                           OCT      01406                                 
035331,001488: 31,3716           13422                           TCF      RATESTOP                              
035332,001489: 
035333,001490:                                                                                                  #  ****************************************************************************************************************
035334,001491:                                                                                                  #  SPECIALIZED "PHASCHNG" SUBROUTINE
035335,001492:                                                                                                  #  ****************************************************************************************************************
035336,001493: 
035337,001494: 31,3717  E3,1440                                  EBANK=   PHSNAME2                              
035338,001495: 31,3717           35007        FASTCHNG           CA       EBANK3                                #  SPECIALIZED 'PHASCHNG' ROUTINE
035339,001496: 31,3720           56003                           XCH      EBANK                                 
035340,001497: 31,3721           52002                           DXCH     L                                     
035341,001498: 31,3722           55442                           TS       PHSNAME3                              
035342,001499: 31,3723           22003                           LXCH     EBANK                                 
035343,001500: 31,3724  E7,1621                                  EBANK=   E2DPS                                 
035344,001501: 31,3724           00000                           TC       A                                     
035345,001502: 
035346,001503:                                                                                                  #  ****************************************************************************************************************
035347,001504:                                                                                                  #  PARAMETER TABLE INDIRECT ADDRESSES
035348,001505:                                                                                                  #  ****************************************************************************************************************
035349,001506: 
035350,001507: 31,3725  E5,1402               RDG                =        RBRFG                                 
035351,001508: 31,3725  E5,1410               VDG                =        VBRFG                                 

Page 821

035353,001510: 31,3725  E5,1416               ADG                =        ABRFG                                 
035354,001511: 31,3725  E5,1424               VDG2TTF            =        VBRFG*                                
035355,001512: 31,3725  E5,1426               ADG2TTF            =        ABRFG*                                
035356,001513: 31,3725  E5,1430               JDG2TTF            =        JBRFG*                                
035357,001514: 
035358,001515:                                                                                                  #  ****************************************************************************************************************
035359,001516:                                                                                                  #  LUNAR LANDING CONSTANTS
035360,001517:                                                                                                  #  ***************************************************************************************************************
035361,001518: 
035362,001519: 31,3725           01565        TABLTTFL           ADRES    TABLTTF    +3                         #  ADDRESS FOR REFERENCING TTF TABLE
035363,001520: 31,3726     4740               TTFSCALE           =        BIT12                                 
035364,001521: 31,3726     4750               TSCALINV           =        BIT4                                  
035365,001522: 31,3726           77630        -DEC103            DEC      -103       B-14                       
035366,001523: 31,3727           00155        P64DB              OCT      00155                                 #  0.3 DEGREES SCALED AT CDU SCALING
035367,001524: 31,3730           00143        +DEC99             DEC      +99        B-14                       
035368,001525: 31,3731           75340        TREDESCL           DEC      -.08                                  
035369,001526: 31,3732           00264        180DEGS            DEC      +180       B-14                       
035370,001527: 31,3733           00056        1/2DEG             DEC      +.00278                               
035371,001528: 31,3734           01542        PROJMAX            DEC      .42262     B-3                        #  SIN(25')/8 TO COMPARE WITH PROJ
035372,001529: 31,3735           01022        PROJMIN            DEC      .25882     B-3                        #  SIN(15')/8 TO COMPARE WITH PROJ
035373,001530: 31,3736           01477        V06N63             VN       0663                                  #  P63
035374,001531: 31,3737           01500        V06N64             VN       0664                                  #  P64
035375,001532: 31,3740           01474        V06N60             VN       0660                                  #  P65, P66, P67
035376,001533: 
035377,001534: 22,3647                                           BANK     22                                    
035378,001535: 22,2000                                           SETLOC   LANDCNST                              

Page 822

035380,001537: 22,2000                                           BANK                                           
035381,001538: 22,3647                                           COUNT*   $$/F2DPS                              
035382,001539: 
035383,001540: 22,3647           00021 14161  HIGHESTF           2DEC     4.34546769 B-12                       
035384,001541: 22,3651           01440 00000  GSCALE             2DEC     100        B-11                       
035385,001542: 22,3653           14000 00000  3/8DP              2DEC     .375                                  
035386,001543: 22,3655           30000 00000  3/4DP              2DEC     .750                                  
035387,001544: 22,3657           77534 45074  DEPRCRIT           2DEC     -.02       B-1                        
035388,001545: 
035389,001546:                                                                                                  #  ****************************************************************************************************************
035390,001547:                                                                                                  #  ****************************************************************************************************************

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