Source Code

These source-code files were obtained by digitally photographing an Artemis 72 (Apollo 15-17 Command Module) program listing from a private collection and then modifying pre-existing Comanche 55 (Apollo 11) source files to incorporate changes. Photography was by Ron Burkey, and transcription was performed by a team of volunteers. Note that the page images presented online are of reduced quality, and that additional images may be available. Report any conversion errors or legibility problems in page images to info@sandroid.org. Notations on the program listing read, in part:

	GAP: ASSEMBLE REVISION 072 OF AGC PROGRAM ARTEMIS 
	BY NASA 2021114-011 11:40 FEB. 26, 1971
Note that the date is the date of the printout, not the date of the program revision.

035285,000002:                                                                                                  ## Copyright:   Public domain.
035286,000003:                                                                                                  ## Filename:    P61-P67.agc
035287,000004:                                                                                                  ## Purpose:     Part of the source code for Artemis (i.e., Colossus 3),
035288,000005:                                                                                                  ##              build 072.  This is for the Command Module's (CM)
035289,000006:                                                                                                  ##              Apollo Guidance Computer (AGC), for
035290,000007:                                                                                                  ##              Apollo 15-17.
035291,000008:                                                                                                  ## Assembler:   yaYUL
035292,000009:                                                                                                  ## Contact:     Jim Lawton <jim DOT lawton AT gmail DOT com>
035293,000010:                                                                                                  ## Website:     www.ibiblio.org/apollo/index.html
035294,000011:                                                                                                  ## Page Scans:  www.ibiblio.org/apollo/ScansForConversion/Artemis072/
035295,000012:                                                                                                  ## Mod history: 2009-08-16 JL   Adapted from corresponding Comanche 055 file.
035296,000013:                                                                                                  ##              2010-02-01 JL   White-space fixes. Added missing line.
035297,000014:                                                                                                  ##              2010-02-20 RSB  Un-##'d this header.
035298,000015:                                                                                                  ##              2017-02-08 RSB  Proofed comment text by diff'ing vs Comanche 55.
035299,000016:                                                                                                  ##              2017-03-17 RSB  Comment-text fixes identified by 4-way diff'ing
035300,000017:                                                                                                  ##                              of Colossus 237 & 249, Comanche 55, and Artemis 72.
035301,000018: 

Page 792

035303,000020: 
035304,000021:                                                                                                  #  PROGRAM:              P61
035305,000022:                                                                                                  #  MOD NO.:              0       MAR. 13, 1967
035306,000023:                                                                                                  #  MOD BY:               R. HIRSCHKOP
035307,000024:                                                                                                  #  MOD NO: 1             MOD BY:  RR BAIRNSFATHER        DATE: 22 JUN 67         RESTARTS.
035308,000025:                                                                                                  #  MOD NO: 2             MOD BY:  RR BAIRNSFATHER        DATE: 17 JAN 68         COLOSSUS GSOP CHANGES.
035309,000026:                                                                                                  #  MOD NO: 3             MOD BY:  RR BAIRNSFATHER        DATE:  8 MAY 68         DELETE CMSM MANEUVER (PCR 50)
035310,000027:                                                                                                  #  MOD NO: 4             MOD BY:  RR BAIRNSFATHER        DATE:  1 JUL 69         PCR 787: TICK TTE
035311,000028:                                                                                                  #  FUNCTION:             TO CALCULATE AND DISPLAY EMS INITIALIZATION DATA
035312,000029:                                                                                                  #  CALLING SEQUENCE-     BY V37
035313,000030:                                                                                                  #  EXIT-                 TO P62
035314,000031:                                                                                                  #  SUBROUTINE CALLS-     S61.1 , S61.3 , GOFLASH , FLAGUP , R02BOTH
035315,000032:                                                                                                  #  ERASABLE INITIALIZATION:
035316,000033:                                                                                                  #        EMSALT (-29) M          .05G ALTITUDE ABOVE FISCHER ELLIPSOID   PAD LOADED.
035317,000034:                                                                                                  #        ALFAPAD /180            HYPERSONIC CM TRIM ANGLE OF ATTACK      PAD LOADED
035318,000035:                                                                                                  #  OUTPUT:       THE FOLLOWING REGISTERS ARE WRITTEN IN FOR USE BY DISPLAYS
035319,000036:                                                                                                  #                GMAX    100 GMAX  (-14) G,S     MAXIMUM ACCELERATION
035320,000037:                                                                                                  #                VPRED   (-7)  M/CS              PREDICTED VELOCITY AT 400K FT
035321,000038:                                                                                                  #                GAMMAEI GAMMA/360               PREDICTED GAMMA    AT 400K FT
035322,000039:                                                                                                  #                RTGO    THETAH/360              RANGE ANGLE TO SPLASH FROM EMSALT       EMSALT IS PAD LOADED
035323,000040:                                                                                                  #                VIO     (-7) M/CS               INERTIAL VELOCITY AT       EMSALT       EMSALT IS PAD LOADED
035324,000041:                                                                                                  #                TTE     (-28) CS                TIME    TO                 EMSALT       EMSALT IS PAD LOADED
035325,000042:                                                                                                  #                LAT(SPL) /360                   TARGET LOCATION                         LEFT BY DSKY
035326,000043:                                                                                                  #                LNG(SPL) /360                   TARGET LOCATION                         LEFT BY DSKY
035327,000044:                                                                                                  #                HEADSUP (0)                     +1 = LIFT DOWN, -1 = LIFT UP            LEFT BY DSKY
035328,000045:                                                                                                  #  DEBRIS:       SEE SUBROUTINES.
035329,000046: 
035330,000047: 26,2000                                           SETLOC   P60S                                  
035331,000048: 26,2000                                           BANK                                           
035332,000049: 
035333,000050: 26,2234  E6,1661                                  EBANK=   AOG                                   
035334,000051: 
035335,000052: 26,2234                                           COUNT*   $$/P61                                
035336,000053: 
035337,000054: 26,2234           34753        P61                CA       BIT14                                 #  EXTENDED VERB SHOULD BE FREE THIS CLOSE
035338,000055: 26,2235           55247                           TS       EXTVBACT                              #  TO V37
035339,000056:                                                                                                  #  LOCK OUT EXTENDED VERBS SO CAN USE TFF
035340,000057:                                                                                                  #  ROUTINES.EXT VERB ERASE IS USED
035341,000058: 
035342,000059: 26,2236           44770                           CS       ONE                                   #  REMOVE IF HEADSUP EVER ON UPLINK DATA
035343,000060: 26,2237           55726                           TS       HEADSUP                               #  PRELOAD
035344,000061: 
035345,000062: 26,2240           02546                           TC       S61.1                                 #  CHECK STATE VECTOR AND IMU ORIENTATION
035346,000063:                                                                                                  #  RV 60GENRET. DOES PHASCHNG, GROUP 4.
035347,000064: 
035348,000065: 26,2241           35034                           CA       V06N61                                #  LAT(SPL)      LNG(SPL)        HEADSUP
035349,000066:                                                                                                  #  XXX.XX DEG    XXX.XX DEG      XXXXX.
035350,000067: 26,2242           05540                           TC       VNFLASHR                              
035351,000068: 26,2243           02247                           TC       P61.4                                 
035352,000069: 26,2244           05402        P61.3              TC       PHASCHNG                              

Page 793

035354,000071: 26,2245           00014                           OCT      00014                                 
035355,000072: 
035356,000073: 26,2246           05205                           TC       ENDOFJOB                              
035357,000074: 
035358,000075: 26,2247           22007        P61.4              ZL                                             
035359,000076: 26,2250           11726                           CCS      HEADSUP                               #  C(HEADSUP)= +1/-1
035360,000077: 26,2251           34753                           CA       BIT14                                 #  IF HEADSUP POS,ROLLC =180 DEG.(LIFT DWN)
035361,000078: 26,2252           12253                           NOOP                                           #  IF HEADSUP NEG,ROLLC =0 (LIFT UP)
035362,000079: 26,2253           53716                           DXCH     ROLLC                                 #  ROLLC IS USED BY S62.3: GIM ANG AT .05G
035363,000080: 
035364,000081: 26,2254           34753        AGIN,MON           CA       BIT14                                 #  LOCK OUT EXTENDED VERBS.(REDUNDANT ON
035365,000082: 26,2255           55247                           TS       EXTVBACT                              #   INITIAL PASS)
035366,000083: 
035367,000084: 26,2256           06006                           TC       INTPRET                               
035368,000085: 26,2257           77745        NEWRNVN            DLOAD                                          
035369,000086: 26,2260           01044                                    PIPTIME                               #  SAVE TIME OF RN,VN TO DETERMINE IF AN
035370,000087: 26,2261           37651                           STCALL   MM                                    #  UPDATE HAS OCCURRED
035371,000088: 26,2262           52063                                    STARTEN1                              #  INITIALIZE
035372,000089: 26,2263           43175                           VLOAD    CLEAR                                 #  'TTE' WILL BE DECREMENTED UNTIL
035373,000090: 26,2264           01030                                    RN                                    
035374,000091: 26,2265           03274                                    .05GSW                                #  THE DRAG > 0.05 G .
035375,000092:                                                                                                  #  .05GSW SET =1 BY  FRESH START.
035376,000093: 
035377,000094: 26,2266           02320                           STORE    RONE                                  
035378,000095: 26,2267           77656                           UNIT                                           
035379,000096: 26,2270           26334                           STOVL    URONE                                 
035380,000097: 26,2271           01036                                    VN                                    
035381,000098: 26,2272           02326                           STORE    VONE                                  
035382,000099: 26,2273           53435                           VXV      UNIT                                  
035383,000100: 26,2274           02334                                    URONE                                 
035384,000101: 26,2275           03502                           STORE    UNI                                   
035385,000102: 26,2276           45345        DUMPP61            DLOAD    DSU                                   
035386,000103: 26,2277           03651                                    MM                                    #  INITIAL VALUE OF PIPTIME
035387,000104: 26,2300           01044                                    PIPTIME                               
035388,000105: 26,2301           45040                           BMN      CALRB                                 
035389,000106: 26,2302           54257                                    NEWRNVN                               #  UPDATED... GO TRY AGAIN
035390,000107: 26,2303           54652                                    S61.2                                 #  GET DISPLAY DATA FOR N60 AND N63
035391,000108:                                                                                                  #  AND RETURN IN BASIC, BELOW.
035392,000109: 26,2304           05527        P61.1              TC       CLEARMRK                              
035393,000110: 26,2305           35033                           CA       V06N60                                #  GMAX          VPRED           GAMMAEI
035394,000111:                                                                                                  #  XXX.XX G      XXXXX. FPS      XXX.XX DEG
035395,000112: 26,2306           05535                           TC       VNFLASH                               
035396,000113: 
035397,000114:                                                                                                  #  'TICKTTE' DECREMENTS 'TTE' DISPLAY NOUN N63 AT A 2 SECOND RATE. 'TICKTTE' IS LOCATED IN 'SERVICER' AND
035398,000115:                                                                                                  #  OPERATES ONLY DURING P61 THROUGH P63. THUS N63 IS 'ON CALL' & ON ENTRY  DOWNLIST THROUGH P63.
035399,000116:                                                                                                  #  'TICKTTE' WILL GIVE PROPER ANSWER IN EVENT OF RESTART OR A RECYCLE VIA   V32.
035400,000117: 
035401,000118: 26,2307           32425                           CA       V16N63                                #  RTGO          VIO             TTE
035402,000119:                                                                                                  #  XXXX.X NM     XXXXX. FPS      XXBXX M,S
035403,000120: 26,2310           04636                           TC       BANKCALL                              
035404,000121: 26,2311           20743                           CADR     GOFLASH                               
035405,000122: 26,2312           04103                           TC       GOTOPOOH                              

Page 794

035407,000124: 26,2313           02315                           TC       +2                                    
035408,000125: 26,2314           02254                           TC       AGIN,MON                              #  REDO CONIC CALC. ASSUME EXT VB INACTIVE
035409,000126: 
035410,000127:                                                                                                  #                .... THEN FALL INTO P62
035411,000128: 

Page 795

035413,000130: 
035414,000131:                                                                                                  #  PROGRAM-              P62
035415,000132:                                                                                                  #  MOD NO.-              0       MAR. 13, 1967
035416,000133:                                                                                                  #  MOD BY-               R. HIRSCHKOP
035417,000134:                                                                                                  #  MOD NO:  1            MOD BY:  RR BAIRNSFATHER        DATE: 21 MAR 67
035418,000135:                                                                                                  #  MOD NO:  2            MOD BY:  RR BAIRNSFATHER        DATE: 22 JUN 67         RESTARTS.
035419,000136:                                                                                                  #  MOD NO:  3            MOD BY:  RR BAIRNSFATHER        DATE: 17 JAN 68         COLOSSUS GSOP CHANGES.
035420,000137:                                                                                                  #  MOD NO:  4            MOD BY:  RR BAIRNSFATHER        DATE:  8 MAY 68         MOVE START OF DESIRED GIMBAL CALC.
035421,000138:                                                                                                  #  FUNCTION-             1) TO NOTIFY CREW WHEN GNC SYSTEM IS PREPARED FOR CM/SM SEPARATION
035422,000139:                                                                                                  #                        2) TO ORIENT THE CM TO THE CORRECT ATTITUDE FOR ATMOSPHERIC ENTRY
035423,000140:                                                                                                  #  CALLING SEQUENCE-     BY V37 OR DIRECTLY FROM P61
035424,000141:                                                                                                  #  EXIT-                 TO P63
035425,000142:                                                                                                  #  ERASABLE INITIALIZATION:
035426,000143:                                                                                                  #        ALFAPAD                                         LEFT BY PAD LOAD
035427,000144:                                                                                                  #        LADPAD                                          LEFT BY PAD LOAD
035428,000145:                                                                                                  #        LODPAD                                          LEFT BY PAD LOAD
035429,000146:                                                                                                  #        LAT(SPL)        (MAY BE CHANGED BELOW)          LEFT BY DSKY, VIA P61
035430,000147:                                                                                                  #        LNG(SPL)        (MAY BE CHANGED BELOW)          LEFT BY DSKY, VIA P61
035431,000148:                                                                                                  #        HEADSUP         (MAY BE CHANGED BELOW)          LEFT BY DSKY, VIA P61
035432,000149:                                                                                                  #  SUBROUTINE CALLS:     NEWMODEX , S61.1 , CM/DAPIC , CM/DAPON , R02BOTH , GOPERF1 , GOFLASH , GODSPR
035433,000150: 
035434,000151: 26,2315                                           COUNT*   $$/P62                                
035435,000152: 
035436,000153: 26,2315           05344                 +2        TC       NEWMODEX                              #  MODE CHANGE IF ENTERED FROM P61
035437,000154: 26,2316           00076                           MM       62         B-14                       #  MODE CHANGE AUTOMATIC VIA V 37.
035438,000155: 26,2317           34770                           CA       ONE                                   
035439,000156: 26,2320           54332                           TS       DNLSTCOD                              
035440,000157: 
035441,000158: 26,2321           02546        P62                TC       S61.1                                 #  CHECK STATE VECTOR AND IMU ORIENTATION.
035442,000159: 
035443,000160: 26,2322           06006                           TC       INTPRET                               
035444,000161: 26,2323           47131                           SSP      RTB                                   
035445,000162: 26,2324           03325                                    POSEXIT                               
035446,000163: 26,2325           54402                                    P62.3                                 #  CALCULATE DESIRED .05G GIMBAL ANGLES, 
035447,000164:                                                                                                  #  WITHOUT DISPLAY.
035448,000165: 26,2326           41703                                    CM/DAPIC                              #  START CM/POSE AND BODY RATE CALC
035449,000166: 
035450,000167:                                                                                                  #  DOES 2PHSCHNG, OCT 40116, OCT 05024, OCT 13000.
035451,000168:                                                                                                  #  CM/DAPIC SETS EBANK = EBAOG
035452,000169:                                                                                                  #  AND RETURNS IN BASIC TO P62.2.                                
035453,000170: 26,2327           00006        P62.2              EXTEND                                         
035454,000171: 26,2330           32431                           DCA      POSECADR                              #  CONTINUE WITH CM/POSE AFTER AV G.
035455,000172: 26,2331           53062                           DXCH     AVEGEXIT                              
035456,000173: 
035457,000174: 26,2332           32545                           CAF      OCT41                                 #  REQUEST SEPARATION
035458,000175: 26,2333           04636                           TC       BANKCALL                              
035459,000176: 26,2334           21147                           CADR     GOPERF1R                              
035460,000177: 26,2335           04103                           TC       GOTOPOOH                              
035461,000178: 26,2336           02341                           TC       +3                                    #  PROCEED

Page 796

035463,000180:                                                                                                  #  NOTE:  NODOFLAG WILL BE SET IN CM/DAPON. <<<
035464,000181: 26,2337           02332                           TC       -5                                    #  ENTER
035465,000182: 26,2340           02244                           TC       P61.3                                 #  FOR PHASCHNG AND ENDOFJOB.
035466,000183: 
035467,000184: 26,2341           04655                 +3        TC       POSTJUMP                              
035468,000185: 26,2342           41624                           CADR     CM/DAPON                              #  DISABLE RCS DAP, ENABLE ENTRY DAP AND
035469,000186:                                                                                                  #  DO ATTITUDE HOLD.
035470,000187: 
035471,000188:                                                                                                  #  WILL IDLE UNTIL CM/POSE DOES ONE UPDATE.
035472,000189:                                                                                                  #  CM/DAPON DOES NO PHASCHNG.
035473,000190: 
035474,000191: 26,2343           35034        P62.1              CA       V06N61                                #  LAT(SPL)      LNG(SPL)        HEADSUP
035475,000192:                                                                                                  #  XXX.XX DEG    XXX.XX DEG      0000X.
035476,000193: 
035477,000194:                                                                                                  #  TERMINATE  ATTITUDE HOLD. SET UP COMMANDS:
035478,000195:                                                                                                  #  ROLLC,  ALFACOM,  BETACOM.   BEGIN MANUVER TO
035479,000196:                                                                                                  #  ENTRY ATTITUDE.
035480,000197: 
035481,000198: 26,2344           04636                           TC       BANKCALL                              
035482,000199: 26,2345           20743                           CADR     GOFLASH                               
035483,000200: 26,2346           02343                           TC       -3                                    
035484,000201: 26,2347           02351                           TC       +2                                    
035485,000202: 26,2350           02343                           TC       -5                                    
035486,000203: 
035487,000204: 26,2351           05402                           TC       PHASCHNG                              
035488,000205: 26,2352           04024                           OCT      04024                                 #  USE ENTRYVN FOR DISPLAY BELOW.
035489,000206: 
035490,000207:                                                                                                  #  EBANK WAS SET IN CM/DAPON TO EBAOG
035491,000208: 
035492,000209: 26,2353           11726                           CCS      HEADSUP                               #  C(HEADSUP) = +/- 1
035493,000210: 26,2354           34753                           CA       BIT14                                 #  IF HEADSUP POS, ROLLC=180 DEG (LIFT DWN)
035494,000211: 26,2355           12356                           NOOP                                           #  IF HEADSUP NEG, ROLLC=0 DEG (LIFT UP)
035495,000212: 26,2356           55715                           TS       ROLLC                                 
035496,000213: 26,2357           31411                           CA       ALFAPAD                               #  NOMINAL ALFATRIM PAD LOADED, NEG. NO.
035497,000214: 26,2360           22007                           ZL                                             
035498,000215: 26,2361           53604                           DXCH     ALFACOM                               #  SET ALFACOM = ALFA TRIM, BETACOM=0
035499,000216: 
035500,000217: 26,2362           34770                           CA       ONE                                   #  PERMITS EXDAP2 TO CHANGE FLAG TO +0
035501,000218: 26,2363           55727                           TS       P63FLAG                               #  AS INDICATOR. STARTS UP P63.
035502,000219: 
035503,000220: 26,2364           35025                           CA       V06N22                                #  SET UP DISPLAY FOR CDU DESIRED VALUES
035504,000221: 26,2365           55122                           TS       ENTRYVN                               #  FROM ENTRY ATTITUDE CALC, THAT IS
035505,000222:                                                                                                  #  ALREADY GOING.
035506,000223: 26,2366           05547                           TC       UPFLAG                                #  TURN ON ENTRY DISPLAY
035507,000224: 26,2367           00134                           ADRES    ENTRYDSP                              #  ENTRYDSP = 92D BIT 13 FLAG 6
035508,000225:                                                                                                  #  SKIP

Page 797

035510,000227: 26,2370           41700                           CS       CMDAPMOD                              #  GO DIRECTLY TO P63 IF BODY ATTITUDE
035511,000228: 26,2371           74770                           MASK     ONE                                   #  IS SUCH THAT THE DELAY TASK: WAKEP62
035512,000229: 26,2372           00006                           EXTEND                                         #  WILL BE OMITTED.
035513,000230: 26,2373           12422                           BZF      P63.1                                 #  DISABLE GRP 4, GO TO ENDOFJOB.
035514,000231:                                                                                                  #  (IE, CONTINUE IF CMDAPMOD = -1, OR +0)
035515,000232: 26,2374           02406                           TC       P63                                   
035516,000233: 
035517,000234:                                                                                                  #  PUT JOB TO SLEEP UNTIL VEHICLE MANUVER HAS
035518,000235:                                                                                                  #  REDUCED ALFA TO +/-45 DEG. CONSIDER REMAINING
035519,000236:                                                                                                  #  65 DEG (25 DEG IF ALFA NEG) TO ALFA TRIM TO
035520,000237:                                                                                                  #  OCCUR AT 3 DEG/SEC, AND TERMINATE P62 AT THAT
035521,000238:                                                                                                  #  TIME.
035522,000239:                                                                                                  #  TASK WAKEP62 IS CALLED FROM ENTRY DAP.
035523,000240: 
035524,000241: 26,2375           35052        WAKEP62            CA       PRIO13                                
035525,000242: 26,2376           05121                           TC       NOVAC                                 
035526,000243: 26,2377  E6,1661                                  EBANK=   AOG                                   
035527,000244: 26,2377           02406 54066                     2CADR    P63                                   
035528,000245: 
035529,000246: 26,2401           05314                           TC       TASKOVER                              
035530,000247: 
035531,000248:                                                                                                  #  EACH 2 SEC, CALCULATE GIMBAL ANGLES FOR ENTRY CON-
035532,000249:                                                                                                  #  DITIONS THAT WILL HOLD IF REORIENTATION WERE MADE
035533,000250:                                                                                                  #  AT PRESENT RN, VN. COME HERE FROM CM/POSE AND ALSO
035534,000251:                                                                                                  #  IN KEPLER PHASE OF ENTRY.
035535,000252: 
035536,000253: 26,2402           52131        P62.3              SSP      GOTO                                  #  SET RETURN ADDRESS SO THAT   ROUTINE
035537,000254: 26,2403           00053                                    QPRET                                 #  GOES DIRECTLY TO ENTRY GUIDANCE EXIT
035538,000255: 26,2404           53574                                    ENDEXIT                               #  THAT DOES ENTRY DISPLAY, GRP 5.
035539,000256: 26,2405           20412                                    S62.3                                 #  PUT DESIRED CDU VALUES IN CPHI'S FOR
035540,000257:                                                                                                  #  N22 DISPLAY.
035541,000258: 

Page 798

035543,000260:                                                                                                  #        P63
035544,000261:                                                                                                  #  PROGRAM-              P63
035545,000262:                                                                                                  #  MOD NO.-              0       MAR. 13, 1967
035546,000263:                                                                                                  #  MOD BY-               R. HIRSCHKOP
035547,000264:                                                                                                  #  MOD NO: 1             MOD BY: RR BAIRNSFATHER         DATE: 22 JIN 67         RESTARTS.
035548,000265:                                                                                                  #  MOD NO: 2             MOD BY: RR BAIRNSFATHER         DATE: 14 JUL 67         REVISED RESTARTS
035549,000266:                                                                                                  #  FUNCTION-             1) TO INITIALIZE THE ENTRY EQUATIONS
035550,000267:                                                                                                  #                        2) TO CONTINUE TO HOLD THE CM TO THE CORRECT ATTITUDE WITH RESPECT TO THE ATMOSPHERE FOR
035551,000268:                                                                                                  #                           THE ONSET OF ENTRY DECELERATION. ROLL ANGLE IS LIFT UP/DOWN AS SPECIFIED BY HEADSUP.
035552,000269:                                                                                                  #                        3) TO SENSE .05G
035553,000270:                                                                                                  #  CALLING SEQUENCE-     DIRECTLY FROM P62
035554,000271:                                                                                                  #  EXIT-                 TO ENDOFJOB
035555,000272:                                                                                                  #  SUBROUTINE CALLS-     NEWMODEX , GODSPR
035556,000273: 
035557,000274: 26,2406                                           COUNT*   $$/P63                                
035558,000275: 
035559,000276: 26,2406           05344        P63                TC       NEWMODEX                              
035560,000277: 26,2407           00077                           MM       63         B-14                       
035561,000278: 
035562,000279:                                                                                                  #  ARRIVE WITH EBANK = AOG.
035563,000280: 
035564,000281: 26,2410           32427                           CA       ENTCADR                               #  CONTINUE AT STARTENT AFTER CM/POSE.
035565,000282: 
035566,000283:                                                                                                  #  AT END OF STARTENT, CHANGE ADDRESS IN GOTOADDR
035567,000284:                                                                                                  #  TO CONTINUE AT  SCALEPOP  THEREAFTER.
035568,000285: 
035569,000286: 26,2411           55724                           TS       POSEXIT                               
035570,000287: 
035571,000288: 26,2412           32426                           CA       V06N64                                #  G             VI              R TO SPLSH
035572,000289:                                                                                                  #  XXX.XX G      XXXXX. FPS      XXXX.X NM
035573,000290: 26,2413           55122                           TS       ENTRYVN                               #  FOR DISPLAY CALL IN OVERNOUT.
035574,000291: 
035575,000292: 26,2414           44770                           CS       ONE                                   #  IN CASE FLAG IS LEFT AT +1 BY DAP. THE
035576,000293: 26,2415           55727                           TS       P63FLAG                               #  -1 ASSURES THAT EXO-ATM DAP WILL NOT
035577,000294:                                                                                                  #  CALL P63 OUT OF SEQUENCE IN P66.
035578,000295: 
035579,000296: 26,2416           05402                           TC       PHASCHNG                              #  THIS IS REQUIRED TO PRESERVE CLEANDSP
035580,000297: 26,2417           00004                           OCT      00004                                 #  RETURN IN EVENT OF AN EXTENDED VERB..
035581,000298: 
035582,000299: 26,2420           04636                           TC       BANKCALL                              #  FLUSH 'N22' DISPLAY, IF ON. (OMIT
035583,000300: 26,2421           20715                           CADR     CLEANDSP                              #  DISPLAY DURING 'STARTENT' PASS.)
035584,000301: 
035585,000302: 26,2422           05402        P63.1              TC       PHASCHNG                              
035586,000303: 26,2423           00004                           OCT      00004                                 #  DISABLE. DISPLAY RESTARTED VIA ENTRY.
035587,000304: 
035588,000305: 26,2424           05205                           TC       ENDOFJOB                              
035589,000306: 
035590,000307: 26,2425           04077        V16N63             VN       1663                                  
035591,000308: 26,2426           01500        V06N64             VN       0664                                  
035592,000309: 26,2427           52000        ENTCADR            CADR     STARTENT                              

Page 799

035594,000311: 26,2430  E7,1451                                  EBANK=   RTINIT                                #  TO CARY OVER INTO ENTRY STEERING.
035595,000312: 26,2430           03404 76067  POSECADR           2CADR    CM/POSE                               
035596,000313: 

Page 800

035598,000315: 
035599,000316:                                                                                                  #  PROGRAM-              P64
035600,000317:                                                                                                  #  MOD NO.-              1       SEPT. 19, 1967
035601,000318:                                                                                                  #  MOD BY-               R. HIRSCHKOP
035602,000319:                                                                                                  #  MOD NO: 2             MOD BY: RR BAIRNSFATHER         DATE: 8 MAY 68          REVISED COMMENTS FOR COLOSSUS
035603,000320:                                                                                                  #  MOD NO: 3             MOD BY: RR BAIRNSFATHER         DATE: 1 MAR '69         N74
035604,000321:                                                                                                  #  FUNCTION-             1. TO START ENTRY GUIDANCE AT .05G SELECTING ROLL ATTITUDE, CONSTANT DRAG LEVEL, AND
035605,000322:                                                                                                  #                        DRAG THRESHOLD,  KA  , WHICH ARE KEYED TO THE .05G POINT.
035606,000323:                                                                                                  #                        2. SELECT FINAL PHASE P67 IF V < 27000 FPS WHEN .2G OCCURS.
035607,000324:                                                                                                  #                        3. ITERATE FOR UP-CONTROL SOLUTION  P65  IF V > 27000 FPS AND IF ALTITUDE RATE AND DRAG
035608,000325:                                                                                                  #                        LEVEL CONDITIONS ARE SATISFIED. ENTER P65 WHEN CONSTANT DRAG CONTROLLER HAS BROUGHT RANGE
035609,000326:                                                                                                  #                        AS PREDICTED TO WITHIN 25 NM OF DESIRED RANGE.
035610,000327:                                                                                                  #                        4. SELECT FINAL PHASE  P67  IF NO UP-CONTROL SOLUTION EXISTS WITH VL > 18000 FPS.
035611,000328:                                                                                                  #  CALLING SEQUENCE-     BY RTB FROM REENTRY CONTROL
035612,000329:                                                                                                  #  EXIT-                 BACK TO REENTRY CONTROL
035613,000330:                                                                                                  #  SUBROUTINE CALLS-     NEWMODEX
035614,000331: 
035615,000332: 26,2000                                           SETLOC   P60S1                                 
035616,000333: 26,2000                                           BANK                                           
035617,000334: 
035618,000335:                                                                                                  #  THIS DISPLAY IS CALLED EACH PASS THROUGH STEERING. RESTART PROTECTION IS VIA STEERING.
035619,000336: 
035620,000337: 26,2432                                           COUNT*   $$/P64                                
035621,000338: 
035622,000339: 26,2432           05344        P64                TC       NEWMODEX                              #  ENTER VIA RTB WHEN .05G IS EXCEEDED.
035623,000340: 26,2433           00100                           MM       64         B-14                       
035624,000341: 26,2434           32437                           CA       V06N74                                #  ROLLC         VI              D
035625,000342:                                                                                                  #  XXX.XX DEG    XXXXX. FPS      XXX.XX G
035626,000343: 26,2435           55122                           TS       ENTRYVN                               #  DISPLAY VIA OVERNOUT.
035627,000344: 
035628,000345: 26,2436           06030                           TC       DANZIG                                #  ... AND CONTINUE IN INITROLL ...
035629,000346: 
035630,000347: 26,2437           01512        V06N74             VN       0674                                  
035631,000348: 

Page 801

035633,000350:                                                                                                  #  PROGRAM:              P65
035634,000351:                                                                                                  #  MOD NO:  0            MOD BY:  RR BAIRNSFATHER        DATE:  17 JAN 68        COLOSSUS GSOP ADDITION.
035635,000352:                                                                                                  #  FUNCTION:             TO CONTINUE ENTRY GUIDANCE, USING THE UP-CONTROL PHASE TO STEER TO A CONTROLLED EXIT
035636,000353:                                                                                                  #                        CONDITION. THIS PHASE TERMINATES  A) IF D < Q7 FPSS, GO TO P66   ,
035637,000354:                                                                                                  #                                                          B) IF RDOT NEG, AND IF V < VL +500 FPS, GO TO P67.
035638,000355: 
035639,000356:                                                                                                  #  CALLING SEQUENCE:     BY RTB FROM REENTRY CONTROL
035640,000357:                                                                                                  #  EXIT:                 BACK TO REENTRY CONTROL, OR TO ENDOFJOB.
035641,000358:                                                                                                  #  SUBROUTINE CALLS:     NEWMODEX
035642,000359: 
035643,000360: 26,2440                                           COUNT*   $$/P65                                
035644,000361: 
035645,000362: 26,2440           05344        P65                TC       NEWMODEX                              #  ENTER VIA RTB WHEN RANGE < 25 N M OF
035646,000363: 26,2441           00101                           MM       65         B-14                       #  TARGET.
035647,000364: 
035648,000365: 26,2442           35052                           CA       PRIO13                                
035649,000366: 26,2443           05121                           TC       NOVAC                                 
035650,000367: 26,2444     1122                                  EBANK=   ENTRYVN                               
035651,000368: 26,2444           02456 54062                     2CADR    P65.1                                 
035652,000369: 
035653,000370: 26,2446           05362                           TC       2PHSCHNG                              #  2 PHASE CHG REQUIRED TO PREVENT RE-
035654,000371: 26,2447           00554                           OCT      00554                                 #  STARTING FLASHING DISPLAY TWICE.
035655,000372: 26,2450           10035                           OCT      10035                                 #  4.55 SPOT AND SERVICER, HERE.
035656,000373: 26,2451  01,2223               4P55SPT1           =        4.55SPOT                              
035657,000374: 26,2451  01,2250               5P3SPT8            =        5.3SPOT                               
035658,000375: 26,2451           06006                           TC       INTPRET                               
035659,000376: 26,2452           47131                           SSP      RTB                                   
035660,000377: 26,2453           03646                                    GOTOADDR                              #  CHANGE ENTRY MODE TO UPCONTRL.
035661,000378: 26,2454           53034                                    UPCONTRL                              
035662,000379: 26,2455           52120                                    REFAZE10                              #  GO HERE TO REESTABLISH ENTRY SEQUENCER.
035663,000380:                                                                                                  #  AND CONTINUE AT UPCONTRL...
035664,000381: 
035665,000382: 26,2456           05561        P65.1              TC       DOWNFLAG                              
035666,000383: 26,2457           00134                           ADRES    ENTRYDSP                              #  ENTRYDSP = 92D  BIT 13 FLAG 6
035667,000384: 
035668,000385: 26,2460           32472                           CA       V16N69                                #  ROLLC         DL  (Q7)        VL
035669,000386: 26,2461           04636                           TC       BANKCALL                              #  XXX.XX DEG    XXX.XX G        XXXXX. FPS
035670,000387: 26,2462           21101                           CADR     GOFLASHR                              
035671,000388: 26,2463           02460                           TC       -3                                    #  NODOFLAG IS SET..
035672,000389: 26,2464           02467                           TC       +3                                    
035673,000390: 26,2465           02460                           TC       -5                                    
035674,000391: 26,2466           02244                           TC       P61.3                                 #  EST. GRP 4 FOR DSPLAY AND DO ENDOFJOB
035675,000392:                                                                                                  #  IF PROCEED, CONTINUE.
035676,000393: 26,2467           05547                           TC       UPFLAG                                
035677,000394: 26,2470           00134                           ADRES    ENTRYDSP                              #  ENTRYDSP = 92D   BIT 13 FLAG 6
035678,000395: 
035679,000396: 26,2471           02422                           TC       P63.1                                 #  DISABLE GRP 4, START UP ENTRY DISPLAY
035680,000397:                                                                                                  #  N06V68 VIA OVERNOUT, AS USED IN P64.

Page 802

035682,000399: 26,2472           04105        V16N69             VN       1669                                  
035683,000400: 

Page 803

035685,000402:                                                                                                  #  PROGRAM:              P66
035686,000403:                                                                                                  #  MOD NO: 0             MOD BY: RR BAIRNSFATHER         DATE: 17 JAN 68         COLOSSUS GSOP ADDITIONS.
035687,000404:                                                                                                  #  FUNCTION:             KEEP CM ATTITUDE IN TRIM TO THE RELATIVE VELOCITY VECTOR. ENTRY GUIDANCE STOPS GENERATING
035688,000405:                                                                                                  #                        ROLL COMMANDS UNTIL DRAG BUILDS UP TO Q7+0.5 FPSS.
035689,000406:                                                                                                  #  CALLING SEQUENCE:     VIA RTB FROM REENTRY CONTROL.
035690,000407:                                                                                                  #  EXIT:                 BACK TO REENTRY CONTROL.
035691,000408:                                                                                                  #  SUBROUTINE CALLS:     NEWMODEX
035692,000409: 
035693,000410: 26,2473                                           COUNT*   $$/P66                                
035694,000411: 
035695,000412: 26,2473           05344        P66                TC       NEWMODEX                              #  ENTER VIA RTB WHEN D < Q7 FPSS
035696,000413: 26,2474           00102                           MM       66         B-14                       
035697,000414: 
035698,000415: 26,2475           35025                           CA       V06N22                                #  OGA           IGA             MGA
035699,000416:                                                                                                  #  XXX.XX DEG    XXX.XX DEG      XXX.XX DEG
035700,000417: 26,2476           02502                           TC       P66END                                #  IN CASE CAME FROM P65, GO DISABLE GRP4,
035701,000418:                                                                                                  #  AND SET ENTRYDSP TO DO DISPLAY VIA
035702,000419:                                                                                                  #  OVERNOUT.
035703,000420: 
035704,000421:                                                                                                  #  ... AND CONTINUE AT KEP2 
035705,000422: 

Page 804

035707,000424:                                                                                                  #  P67
035708,000425: 
035709,000426:                                                                                                  #  PROGRAM-              P67
035710,000427:                                                                                                  #  MOD NO.-              0       MAR. 16, 1967
035711,000428:                                                                                                  #  MOD BY-               R. HIRSCHKOP
035712,000429:                                                                                                  #  FUNCTION-             TO TERMINATE STEERING WHEN THE CM VELOCITY WRT EARTH = 1000 FT/SEC
035713,000430:                                                                                                  #  CALLING SEQUENCE-     
035714,000431:                                                                                                  #  EXIT-                 TO POOH
035715,000432:                                                                                                  #  SUBROUTINE CALLS-     GOFLASH
035716,000433: 
035717,000434:                                                                                                  #  THIS DISPLAY IS CALLED EACH PASS THROUGH STEERING. RESTART PROTECTION IS VIA STEERING.
035718,000435: 
035719,000436: 26,2477                                           COUNT*   $$/P67                                
035720,000437: 
035721,000438: 26,2477           05344        P67                TC       NEWMODEX                              #  ENTER VIA RTB
035722,000439: 26,2500           00103                           MM       67         B-14                       
035723,000440: 26,2501           32510                           CA       V06N66                                #  ROLLC         XRNGERR         DNRNGERR
035724,000441:                                                                                                  #  XXX.XX DEG    XXXX.X NM       XXXX.X NM
035725,000442: 26,2502           55122        P66END             TS       ENTRYVN                               #  DISPLAY VIA OVERNOUT.
035726,000443: 
035727,000444: 26,2503           05547                           TC       UPFLAG                                #  (IN CASE CAME FROM P65. ENTRY DISPLAY
035728,000445: 26,2504           00134                           ADRES    ENTRYDSP                              #  WILL FLUSH FLASHING DISP. IF STILL ON)
035729,000446:                                                                                                  #  BIT 13 FLAG 6
035730,000447: 26,2505           05402        KILLGRP4           TC       PHASCHNG                              #  DISABLE GRP4, IN CASE CAME FROM HUNTEST.
035731,000448: 26,2506           00004                           OCT      00004                                 #  (COME TO KILLGRP4 VIA RTB, RET TO CALLER)
035732,000449: 
035733,000450: 26,2507           06030                           TC       DANZIG                                #  ... AND CONTINUE AT PREDICT3 ...
035734,000451: 
035735,000452: 26,2510           01502        V06N66             VN       0666                                  
035736,000453: 
035737,000454: 26,2000                                           SETLOC   P60S2                                 
035738,000455: 26,2000                                           BANK                                           
035739,000456: 
035740,000457: 26,2511           32544        P67.1              CA       V16N67                                #  RTOGO         LAT             LONG
035741,000458:                                                                                                  #  XXXX.X NM     XXX.XX DEG      XXX.XX DEG
035742,000459: 26,2512           04636                           TC       BANKCALL                              
035743,000460: 26,2513           20743                           CADR     GOFLASH                               
035744,000461: 26,2514           02517                           TC       +3                                    #  EFFECTIVE GOTOPOOH
035745,000462: 26,2515           02517                           TC       +2                                    
035746,000463: 26,2516           02511                           TC       P67.1                                 #  REDO
035747,000464: 
035748,000465: 26,2517           00004                           INHINT                                         
035749,000466: 26,2520           34767                           CA       CM/DSBIT                              
035750,000467: 26,2521           64770                           AD       GYMDIBIT                              
035751,000468: 26,2522           40000                           COM                                            
035752,000469: 26,2523           70102                           MASK     CM/FLAGS                              #  CM/DSTBY, GAMDIFSW
035753,000470: 26,2524           54102                           TS       CM/FLAGS                              
035754,000471: 26,2525           00003                           RELINT                                         

Page 805

035756,000473: 26,2526           00006                           EXTEND                                         
035757,000474: 26,2527           32644                           DCA      SERVCAD2                              
035758,000475: 26,2530           53062                           DXCH     AVEGEXIT                              
035759,000476: 
035760,000477: 26,2531           14103                           TCF      GOTOPOOH                              
035761,000478: 

Page 806

035763,000480: 26,2532           43175        P67.2              VLOAD    CLEAR                                 #  CALC PRESENT LAT, LONG, ALT.
035764,000481: 26,2533           01030                                    RN                                    
035765,000482: 26,2534           00662                                    ERADFLAG                              #  USE PAD RAD FOR ALT. (NOT SEEN ANYWAY)
035766,000483: 26,2535           16152                           STODL    ALPHAV                                
035767,000484: 26,2536           01044                                    PIPTIME                               #  USE TIME OF RN
035768,000485: 26,2537           45014                           CLEAR    CALL                                  
035769,000486: 26,2540           01663                                    LUNAFLAG                              
035770,000487: 26,2541           26453                                    LAT-LONG                              
035771,000488: 26,2542           77634        P67.3              RTB                                            #  ENTRY EXIT THAT OMITS DISPLAY.
035772,000489: 26,2543           53607                                    SERVNOUT                              
035773,000490: 
035774,000491: 26,2544           04103        V16N67             VN       1667                                  
035775,000492: 26,2545           00041        OCT41              OCT      41                                    
035776,000493: 26,2546  26,2643               SERVCAD2           =        SERVCAD1                              
035777,000494: 

Page 807

035779,000496:                                                                                                  #  SUBROUTINE NAME:      S61.1   
035780,000497:                                                                                                  #  MOD NO:       0                                                               DATE:           21 FEB 67
035781,000498:                                                                                                  #  MOD BY:       RR BAIRNSFATHER                                                 LOG SECTION:    P61-P67
035782,000499:                                                                                                  #  MOD NO:       1       MOD BY: RR BAIRNSFATHER         DATE:   22 JUN 67       RESTARTS.
035783,000500:                                                                                                  #  FUNCTIONAL DESCRIPTION:       CALLED BY BOTH P61 AND P62
035784,000501:                                                                                                  #        FIRST, TEST TO SEE IF   AVERAGEG   IS ON. IF NOT, UPDATE THE STATE VECTOR TO PRESENT TIME + TOLERANCE
035785,000502:                                                                                                  #        AND TURN ON   AVERAGEG   AT THAT TIME, AND CONTINUE.   OTHERWISE CONTINUE:   SEE IF   IMU Y AXIS IS
035786,000503:                                                                                                  #        WITHIN 30 DEG OF V*R.  IF YES, EXIT SUBROUTINE S61.1.    IF NO,  SEE IF -Y AXIS OF IMU IS WITHIN
035787,000504:                                                                                                  #        30 DEG OF V*R.  IF YES, DISPLAY ALARM:  01427   IMU REVERSED.
035788,000505:                                                                                                  #                        IF NO, DISPLAY ALARM:   01426   IMU UNSATISFACTORY.
035789,000506:                                                                                                  #        IN EITHER OF THESE LAST 2 CASES, WAIT  10 SEC  AND THEN EXIT SUBROUTINE  S61.1.
035790,000507: 
035791,000508:                                                                                                  #  REMARK:       THERE WILL BE A SHORT 10 SEC DELAY IF AN ALARM EXIT IS TAKEN. THE DELAY FOR INTEGRATION IS
035792,000509:                                                                                                  #                AS SHORT AS CAN BE MADE, BUT IS ARBITRARY SINCE IT DEPENDS ON THE AGE OF THE STATE VECTOR.
035793,000510: 
035794,000511:                                                                                                  #  CALLING SEQUENCE:     CALL
035795,000512:                                                                                                  #                                S61.1
035796,000513:                                                                                                  #                        C(MPAC) UNSPECIFIED
035797,000514:                                                                                                  #                        PUSHLOC UNSPECIFIED
035798,000515: 
035799,000516:                                                                                                  #  SUBROUTINES CALLED:   LOADTIME, CSMPREC, TPAGREE,
035800,000517:                                                                                                  #                        WAITLIST, JOBSLEEP, JOBWAKE, PREREAD, ALARM, GODSPR, BANKCALL, DELAYJOB
035801,000518:                                                                                                  #  NORMAL EXIT MODES:    RVQ
035802,000519:                                                                                                  #  ALARMS:       01426   IMU UNSATISFACTORY
035803,000520:                                                                                                  #                01427   IMU REVERSED
035804,000521:                                                                                                  #  OUTPUT:       POSSIBLE ALARMS
035805,000522:                                                                                                  #                POSSIBLY TDEC1, RATT, VATT, RN, VN
035806,000523:                                                                                                  #  ERASABLE INITIALIZATION REQUIRED:
035807,000524:                                                                                                  #        AVEGFLAG                AVERAGEG ON OR OFF                              LEFT BY SERVICER
035808,000525:                                                                                                  #        PIPTIME   (-28) CS      TIME OF PIPA UPDATE                             LEFT BY READACCS
035809,000526:                                                                                                  #        RN        (-29) M       STATE VECTOR                                    LEFT BY AVERAGEG
035810,000527:                                                                                                  #        VN        (-7) M/CS     STATE VECTOR                                    LEFT BY AVERAGEG
035811,000528:                                                                                                  #        REFSMMAT  (-1)          .5 REF TO SM MATRIX                             LEFT BY LAST IMU ALIGNMENT
035812,000529: 
035813,000530:                                                                                                  #  DEBRIS:       QPRET
035814,000531:                                                                                                  #                POSSIBLY PIPTIME1, RATT, VATT, TDEC1, RN1, VN1, QTEMP, X1       IF UPDATED
035815,000532:                                                                                                  #                PUSH LIST LOCS USED BY CSMPREC
035816,000533: 
035817,000534: 26,2546  E6,1661                                  EBANK=   AOG                                   #  FOR 60GENRET, S61DT
035818,000535: 26,2000                                           SETLOC   P60S3                                 
035819,000536: 26,2000                                           BANK                                           
035820,000537: 
035821,000538: 26,2546                                           COUNT*   $$/S61.1                              
035822,000539: 
035823,000540: 26,2546           00006        S61.1              EXTEND                                         
035824,000541: 26,2547           23773                           QXCH     60GENRET                              #  SAVE RET ADDR IN EB 6
035825,000542: 26,2550           04636                           TC       BANKCALL                              
035826,000543: 26,2551           03731                           CADR     R02BOTH                               
035827,000544: 26,2552           06006                           TC       INTPRET                               
035828,000545: 
035829,000546: 26,2553           45014                           BON      CALRB                                 

Page 808

035831,000548: 26,2554           00716                                    AVEGFLAG                              #  IS AVERAGEG ON
035832,000549: 26,2555           54605                                    S61.1A                                #  YES
035833,000550: 26,2556           27566                                    MIDTOAV2                              #  GET FUTURE STATE VECTOR SOON AS CAN
035834,000551: 
035835,000552: 26,2557           30155                           CA       MPAC       +1                         #  RETURN INHINTED ***
035836,000553: 26,2560           55774                           TS       S61DT                                 #  FOR RESTART.
035837,000554: 26,2561           05233                           TC       WAITLIST                              
035838,000555: 26,2562  E7,1425                                  EBANK=   DVTOTAL                               
035839,000556: 26,2562           02567 54067                     2CADR    S61.1C                                
035840,000557: 
035841,000558: 26,2564           05402                           TC       PHASCHNG                              
035842,000559: 26,2565           40434                           OCT      40434                                 
035843,000560: 26,2566  01,2204               4P43SPT1           =        4.43SPOT                              
035844,000561: 26,2566           05205                           TC       ENDOFJOB                              
035845,000562: 
035846,000563: 26,2567           35052        S61.1C             CA       PRIO13                                
035847,000564: 26,2570           05135                           TC       FINDVAC                               
035848,000565: 26,2571  E6,1661                                  EBANK=   AOG                                   
035849,000566: 26,2571           02604 54066                     2CADR    S61.1A-1                              
035850,000567: 
035851,000568: 26,2573           00006                           EXTEND                                         
035852,000569: 26,2574           32644                           DCA      SERVCAD1                              #  HE WHO STARTS AVERAGEG MUST SERVICE
035853,000570: 26,2575           53062                           DXCH     AVEGEXIT                              #  THE EXIT.
035854,000571: 
035855,000572: 26,2576           05362                           TC       2PHSCHNG                              
035856,000573: 26,2577           00454                           OCT      00454                                 
035857,000574: 26,2600           00175                           OCT      00175                                 
035858,000575: 26,2601  01,2207               4P45SPT1           =        4.45SPOT                              
035859,000576: 26,2601  01,2272               5P17SPT1           =        5.17SPOT                              
035860,000577: 26,2601           04606                           TC       E7SETTER                              
035861,000578: 
035862,000579: 26,2602           04655                           TC       POSTJUMP                              
035863,000580: 26,2603           76607                           CADR     PREREAD                               #  PREREAD DOES TC TASKOVER.
035864,000581: 
035865,000582: 26,2604           06006        S61.1A-1           TC       INTPRET                               
035866,000583: 26,2605           77204        S61.1A             BOVB     VLOAD                                 
035867,000584: 26,2606           57544                                    TCDANZIG                              #  TURN OFF OVFIND, IF ON
035868,000585: 26,2607           01036                                    VN                                    #  VN     (-7) M/CS
035869,000586: 26,2610           64235                           VXV      MXV                                   
035870,000587: 26,2611           01030                                    RN                                    #  RN    (-29) M
035871,000588: 26,2612           01734                                    REFSMMAT                              #  .5 UNIT MATRIX
035872,000589: 26,2613           71256                           UNIT     DLOAD                                 
035873,000590: 26,2614           00160                                    MPAC       +3                         #  GET COS(THETA)/2
035874,000591: 26,2615           43240                           BMN      DAD                                   
035875,000592: 26,2616           54623                                    S61.1B                                #  DO TEST ON -YSM
035876,000593: 26,2617           14646                                    C(30)LIM                              #  = 1.0 -.5 COS(30)
035877,000594: 26,2620           47004                           BOVB     RTB                                   
035878,000595: 26,2621           54642                                    RETRN1                                
035879,000596: 26,2622           54627                                    RETRN3                                

Page 809

035881,000598: 26,2623           43276        S61.1B             DCOMP    DAD                                   
035882,000599: 26,2624           14646                                    C(30)LIM                              #  = 1.0 - .5 COS(30)
035883,000600: 26,2625           77404                           BOVB     EXIT                                  
035884,000601: 26,2626           54632                                    RETRN2                                
035885,000602: 
035886,000603: 26,2627           05671        RETRN3             TC       ALARM                                 
035887,000604: 26,2630           01426                           OCT      01426                                 #  IMU UNSATISFACTORY
035888,000605: 26,2631           02634                           TC       RETRN2     +2                         
035889,000606: 
035890,000607: 26,2632           05671        RETRN2             TC       ALARM                                 
035891,000608: 26,2633           01427                           OCT      01427                                 #  IMU REVERSED
035892,000609: 
035893,000610: 26,2634           35023                 +2        CAF      V05N09                                
035894,000611: 26,2635           04636                           TC       BANKCALL                              
035895,000612: 26,2636           20710                           CADR     GODSPR                                #  DO DISPLAY
035896,000613: 26,2637           32647                           CA       10SECS                                
035897,000614: 26,2640           04636                           TC       BANKCALL                              
035898,000615: 26,2641           01731                           CADR     DELAYJOB                              
035899,000616: 
035900,000617: 26,2642           01773        RETRN1             TC       60GENRET                              
035901,000618: 
035902,000619: 26,2643  E7,1425                                  EBANK=   DVTOTAL                               
035903,000620: 26,2643           03143 76067  SERVCAD1           2CADR    SERVEXIT                              
035904,000621: 26,2645           22111 17335  C(30)LIM           2DEC     .566985                               #  = 1.0 - .5 COS(30)
035905,000622: 26,2647           01750        10SECS             DEC      1000       B-14                       #  1000 CS
035906,000623: 26,2650           00000 13560  60SECDP            2DEC     6000       B-28                       #  6000 CS
035907,000624: 

Page 810

035909,000626:                                                                                                  #  PROGRAM NAME:         S61.2                                           DATE:           14 FEB 67
035910,000627:                                                                                                  #  MOD NO:       1                                                       LOG SECTION:    P61-P67
035911,000628:                                                                                                  #  MOD BY:       MORTH / BAIRNSFATHER
035912,000629:                                                                                                  #  MOD NO: 2     MOD BY: MORTH/BAIRNSFATHER      DATE: 11 MAY 67         ADD 2ND ITER FOR ERAD AT 400K FT.
035913,000630:                                                                                                  #  MOD NO: 3     MOD BY: RR BAIRNSFATHER         DATE: 21 NOV 67         VARIABLE MU ADDED.
035914,000631:                                                                                                  #  MOD NO: 4     MOD BY: RR BAIRNSFATHER         DATE: 21 MAR 68         DIFFERENT EARTH/MOON SCALES IN TFF'S
035915,000632:                                                                                                  #  FUNCTIONAL DESCRIPTION:       CALLED BY P61.  PROVIDES DISPLAYS FOR NOUNS  N60  AND  N63  .
035916,000633:                                                                                                  #        PROGRAM CALCULATES ENTRY DISPLAY OF MAXIMUM ACCELERATION EXPECTED  (GMAX)  AND ALSO THE EXPECTED
035917,000634:                                                                                                  #        INERTIAL VELOCITY (VPRED) AND ENTRY ANGLE  (GAMMAEI)  THAT WILL OBTAIN AT 400K FT ABOVE THE FISCHER
035918,000635:                                                                                                  #        ELLIPSOID.  PROGRAM ALSO CALCULATES A SECOND DISPLAY RELATIVE  TO THE EMSALT  ABOVE FISCHER ELLIPSOID
035919,000636:                                                                                                  #        AND CONSISTS OF RANGE TO SPLASH FROM NOW (RTGO) , PREDICTED INERTIAL VELOCITY (VIO) , AND THE TIME TO
035920,000637:                                                                                                  #        GO FROM NOW (TTE) .
035921,000638:                                                                                                  #  CALLING SEQUENCE:     CALL
035922,000639:                                                                                                  #                                S61.2
035923,000640:                                                                                                  #                C(MPAC) UNSPECIFIED
035924,000641:                                                                                                  #                PUSHLOC WILL BE SET TO ZERO.
035925,000642: 
035926,000643:                                                                                                  #  SUBROUTINES CALLED:   TFFCONIC,  CALCTFF,  TFF/TRIG,  FISHCALC,  GETERAD,  VGAMCALC
035927,000644:                                                                                                  #  NORMAL EXIT MODES:    RTB     P61.1
035928,000645:                                                                                                  #  ALARMS:       NONE
035929,000646:                                                                                                  #  OUTPUT:       THE FOLLOWING REGISTERS ARE WRITTEN IN FOR USE BY DISPLAYS
035930,000647:                                                                                                  #                GMAX    100 GMAX (-14) G,S      MAXIMUM ACCELERATION
035931,000648:                                                                                                  #                VPRED   (-7) M/CS               PREDICTED VELOCITY AT 400K FT
035932,000649:                                                                                                  #                GAMMAEI GAMMA/360               PREDICTED GAMMA    AT 400K FT
035933,000650:                                                                                                  #                                                FOR TM, DP(GAMMAEI) = (GAMMAEI, RTGO) / 360
035934,000651:                                                                                                  #                RTGO    THETAH/360              RANGE ANGLE TO SPLASH FROM EMSALT       EMSALT IS PAD LOADED
035935,000652:                                                                                                  #                VIO     (-7) M/CS               INERTIAL VELOCITY  AT      EMSALT       EMSALT IS PAD LOADED
035936,000653:                                                                                                  #                TTE     (-28) CS                TIME    TO                 EMSALT       EMSALT IS PAD LOADED
035937,000654: 
035938,000655:                                                                                                  #                PUSHLOC = 0
035939,000656:                                                                                                  #                CONIC PARAMETERS STORED IN VAC AREA (SEE TFF SUBROUTINES)
035940,000657:                                                                                                  #  ERASABLE INITIALIZATION REQUIRED:
035941,000658:                                                                                                  #                RONE    (-29) M                 STATE VECTOR                            LEFT BY USER
035942,000659:                                                                                                  #                VONE    (-7)  M/CS              STATE VECTOR                            LEFT BY USER
035943,000660:                                                                                                  #                URONE   UR/2                                                            LEFT BY USER
035944,000661:                                                                                                  #                UNI     (-1)                    UNIT NORMAL V*R                         LEFT BY ENTRY / P61
035945,000662:                                                                                                  #                THETAH  THETAH/360              RANGE ANGLE                             LEFT BY ENTRY / P61
035946,000663:                                                                                                  #                UNITW   (0)                     UNIT POLAR VECTOR                       LEFT BY PAD LOAD
035947,000664:                                                                                                  #                EMSALT  (-29) M                 EMS INTERFACE ALTITUDE                  LEFT BY PAD LOAD
035948,000665:                                                                                                  #                                                ORBITAL REENTRY: 284643 FT,  LUNAR REENTRY: 297431 FT.
035949,000666:                                                                                                  #  DEBRIS:       QPRET,
035950,000667:                                                                                                  #                ALL PDL LOCATIONS ABOVE 12D, INCLUDING X1,X2,S1,S2
035951,000668:                                                                                                  #                ALSO PDL+0 ... PDL+5, WHERE INITIAL PUSHLOC = PDL
035952,000669: 

Page 811

035954,000671: 
035955,000672:                                                                                                  #  THE FOLLOWING PUSH LIST LOCATIONS HAVE BEEN RESERVED FOR TFF ROUTINES AND ARE REPEATED HERE FOR CONVENIENCE.
035956,000673:                                                                                                  #  OF COURSE FOR S61.2 USAGE, EARTH ORIGIN SCALING IS USED.
035957,000674: 
035958,000675:                                                                                                  #                                BELOW   E:  IS USED FOR EARTH ORIGIN SCALE
035959,000676:                                                                                                  #                                        M:  IS USED FOR MOON ORIGIN SCALE
035960,000677: 
035961,000678:                                                                                                  #        RTERM   =       18D             TERMINAL RADIUS M       E:  (-29)       M:  (-27)
035962,000679:                                                                                                  #        NRTERM  =       16D             TERMINAL RADIUS M       E:  (-29+NR)
035963,000680:                                                                                                  #                                                                M:  (-27+NR)
035964,000681:                                                                                                  #        RMAG1   =       12D             PRESENT RADIUS M        E:  (-29)       M:  (-27)
035965,000682:                                                                                                  #        NRMAG   =       32D             PRESENT RADIUS M        E:  (-29+NR)
035966,000683:                                                                                                  #                                                                M:  (-27+NR)
035967,000684:                                                                                                  #        SDELF/2                         SIN(THETA) / 2
035968,000685:                                                                                                  #        CDELF/2 =       14D             COS(THETA) / 2
035969,000686:                                                                                                  #        TFFX    =       34D             X, ARGUMENT OF SERIES T(X).
035970,000687:                                                                                                  #        TFFTEM  =       36D             ARG FOR TRANSFER ANGLE CALCULATION.
035971,000688:                                                                                                  #        TFFNP   =       28D             LC P  M                 E:  (-38+2NR)   M:  (-36+2NR)
035972,000689:                                                                                                  #        TFF/RTMU=       30D             1/SQRT(MU)              E:  (17)        M:  (14)
035973,000690:                                                                                                  #        TFFVSQ  =       20D             -(VN.VN/MU)     1/M     E:  (20)        M:  (18)
035974,000691: 

Page 812

035976,000693: 26,2000                                           SETLOC   P60S2                                 
035977,000694: 26,2000                                           BANK                                           
035978,000695: 
035979,000696: 26,2652                                           COUNT*   $$/S61.2                              
035980,000697: 
035981,000698:                                                                                                  #  PDL LEFT AT ZERO BY TARGETNG
035982,000699: 
035983,000700: 26,2652           45345        S61.2              DLOAD    DSU                                   
035984,000701: 26,2653           02020                                    EMSALT                                
035985,000702: 26,2654           15006                                    290KFT                                
035986,000703: 26,2655           71244                           BPL      DLOAD                                 
035987,000704: 26,2656           55002                                    LUNENT                                
035988,000705: 26,2657           31757                                    1/RTMU                                #  ESTABLISH MU FOR ORBITAL ENTRIES
035989,000706: 26,2660           77624        CALLCON            CALL                                           
035990,000707: 26,2661           57151                                    TFFCONIC                              #  FILL VAC AREA WITH CONIC PARAMETERS
035991,000708: 
035992,000709: 26,2662           45145                           DLOAD    CALL                                  
035993,000710: 26,2663           15024                                    RTRIAL                                #  1 ST GUESS AT TERMINAL RADIUS (-29)
035994,000711: 26,2664           57261                                    CALCTFF                               #  SAVES MPAC IN RTERM  (18D)
035995,000712: 
035996,000713: 26,2665           77624                           CALL                                           #  CALC SDELF/2, CDELF/2
035997,000714: 26,2666           57052                                    TFF/TRIG                              #  RETURN WITH S(THETA) IN MPAC
035998,000715: 
035999,000716: 26,2667           77624                           CALL                                           #  GET FISCHER RADIUS (-29) M
036000,000717: 26,2670           55033                                    FISHCALC                              #  ANS IN MPAC AND IN ERADM.
036001,000718: 
036002,000719: 26,2671           45015                           DAD      CALL                                  
036003,000720: 26,2672           02020                                    EMSALT                                
036004,000721: 26,2673           57261                                    CALCTFF                               #  SAVES MPAC IN  RTERM  (18D)
036005,000722: 
036006,000723: 26,2674           03733                           STORE    TTE1                                  #  USED IN TARGET ITERATION (DISPTARG)
036007,000724: 26,2675           57415                           DAD      DCOMP                                 #  DECR 'TTE' FROM BASE 'TTE2' IN 'SERVICER
036008,000725: 26,2676           03651                                    MM                                    #  'PIPTIME' FOR STATE VECTOR
036009,000726:                                                                                                  #  DNLIST AND DSKY WILL USE TTE.
036010,000727: 26,2677           03735                           STORE    TTE2                                  #  TTE=PIPTIME+TTE2=-(TTE1+MM-PIPTIME)
036011,000728: 26,2700           77615                           DAD                                            #  DECREMENT 'TTE' FOR DISPLAY AND DOWNLINK
036012,000729: 26,2701           01044                                    PIPTIME                               #  UNTIL SERVICER COMES ALONG.
036013,000730: 26,2702           37727                           STCALL   TTE                                   #  'TTE' IS NEGATIVE AS IN COUNTDOWN.
036014,000731: 
036015,000732:                                                                                                  #  TTE= TIME FROM NOW TO EMSALT +FISCHER
036016,000733: 
036017,000734: 26,2703           57052                                    TFF/TRIG                              #  S(THETA) IN MPAC ON RETURNING
036018,000735:                                                                                                  #  AND THETA= RANGE FROM NOW TO EMSALT
036019,000736: 
036020,000737: 26,2704           77624                           CALL                                           
036021,000738: 26,2705           55033                                    FISHCALC                              
036022,000739: 26,2706           77624                           CALL                                           
036023,000740: 26,2707           11744                                    VRCALC                                
036024,000741: 26,2710           77624                           CALL                                           

Page 813

036026,000743: 26,2711           11731                                    DISPTARG                              
036027,000744: 26,2712           77624                           CALL                                           
036028,000745: 26,2713           11731                                    DISPTARG                              
036029,000746: 26,2714           37714                           STCALL   RTGO                                  
036030,000747: 26,2715           55054                                    VGAMCALC                              
036031,000748: 
036032,000749: 26,2716           77605                           DMP                                            #  MPAC = GAMMA
036033,000750:                                                                                                  #  PDL0 HAS VGAM.
036034,000751: 26,2717           43265                           BDDV     DAD                                   
036035,000752: 26,2720           15032                                    VEMSCON                               #  -HS D 180/PI (-14)
036036,000753: 26,2721           00001                                    0                                     #  VGAM FROM PDL0.
036037,000754: 26,2722           17725                           STODL    VIO                                   #  PREDICTED VELOCITY AT EMSALT.
036038,000755: 
036039,000756:                                                                                                  #  GAMMA AND VGAM AT 300K FT ARE REQUIRED BY  GMAX
036040,000757:                                                                                                  #  ALGORITHM.
036041,000758: 
036042,000759: 26,2723           02240                                    ERADM                                 #  EARTH RADIUS FROM GETERAD             (-29) M
036043,000760:                                                                                                  #  = FISCHER RADIUS  (-29)
036044,000761: 26,2724           77615                           DAD                                            
036045,000762: 26,2725           06456                                    300KFT                                #  M  (-29)
036046,000763: 26,2726           34023                           STCALL   RTERM                                 #  TERMINAL RADIUS  M  (-29)
036047,000764: 
036048,000765: 26,2727           55051                                    PREVGAM                               #  VGAMCALC WITH NEW RTERM
036049,000766: 
036050,000767:                                                                                                  #  VBAR = (V(FPS) - 36KF/S) / 20KF/S
036051,000768:                                                                                                  #  GMAX = (4/(1 + 4.8 VBARSQ))(GAM -6.05 -2.4 VBARSQ) - 10(L/D - .3) + 10        ASSUME L/D = 0.3, BANK =0.
036052,000769: 
036053,000770:                                                                                                  #  GMAXCALC
036054,000771: 26,2730           45325                           PDDL     DSU                                   #  GAM TO PDL2
036055,000772: 26,2731           00001                                    0                                     #  VGAM IS IN PDL0  (-7)
036056,000773: 26,2732           15010                                    36KFT/S                               #  (-7)   M/CS
036057,000774: 26,2733           63471                           DDV      DSQ                                   
036058,000775: 26,2734           15012                                    20KFT/S                               #  (-6)   M/CS
036059,000776: 26,2735           00001                           STORE    0                                     #  VBARSQ  (-2)  TO PDL0
036060,000777: 
036061,000778: 26,2736           43205                           DMP      DAD                                   
036062,000779: 26,2737           15014                                    KR1                                   
036063,000780:                                                                                                  #  GAM,    POS DOWN, FROM PDL2
036064,000781: 26,2740           41215                           DAD      DMP                                   
036065,000782: 26,2741           15016                                    -6.05DEG                              
036066,000783: 26,2742           15020                                    KR2                                   
036067,000784: 26,2743           77725                           PDDL                                           #  XCH PDL+0 FOR VBARSQ  (-2)
036068,000785: 26,2744           43271                           DDV      DAD                                   
036069,000786: 26,2745           15030                                    KR4                                   
036070,000787: 26,2746           31771                                    DP2(-4)                               
036071,000788: 26,2747           77665                           BDDV                                           
036072,000789:                                                                                                  #  NUM FROM PDL+0
036073,000790: 26,2750           51015                           DAD      BPL                                   
036074,000791: 26,2751           15022                                    KR3                                   

Page 814

036076,000793: 26,2752           54755                                    +3                                    
036077,000794: 26,2753           77745                           DLOAD                                          
036078,000795: 26,2754           15336                                    HI6ZEROS                              
036079,000796: 26,2755           17722                           STODL    GMAX                                  #  100 GMAX  (-14)
036080,000797: 
036081,000798:                                                                                                  #  DISPLAY USES GMAX AS SP, SO LO WORD IS WRITTEN OVER BY VPRED.
036082,000799: 
036083,000800: 26,2756           02240                                    ERADM                                 #  = FISCHER RADIUS  (-29) M
036084,000801: 26,2757           45015                           DAD      CALL                                  #  2 ND ITERATION FOR FISCHER RADIUS
036085,000802: 26,2760           15026                                    400KFT                                
036086,000803: 26,2761           57261                                    CALCTFF                               #  ESTABLISH TRANSFER ANGLE DATA.
036087,000804: 26,2762           77624                           CALL                                           
036088,000805: 26,2763           57052                                    TFF/TRIG                              #  GET SIN, COS DELF
036089,000806: 26,2764           77624                           CALL                                           
036090,000807: 26,2765           55033                                    FISHCALC                              #  GET CORRESPONDING FISCHER RADIUS.
036091,000808: 
036092,000809: 26,2766           73015                           DAD      LXA,2                                 #  SAVE HI-WORD FOR DOWNLIST.
036093,000810: 26,2767           15026                                    400KFT                                #  M  (-29)
036094,000811: 26,2770           03713                                    RTGO                                  #  (RANGE ANGLE FROM EMSALT)/360
036095,000812: 26,2771           34023                           STCALL   RTERM                                 
036096,000813: 26,2772           55051                                    PREVGAM                               #  VGAMCALC WITH NEW RTERM
036097,000814: 
036098,000815: 26,2773           67076                           DCOMP    SXA,2                                 #  HI-WORD OF EACH ON DOWNLIST.
036099,000816: 26,2774           00155                                    MPAC       +1                         
036100,000817: 26,2775           17761                           STODL    GAMMAEI                               #  CONIC GAMMA/360 AT 400K FT.   ( HI-WORD)
036101,000818:                                                                                                  #  CONIC RTGO/360 FROM EMSALT    (LOW-WORD)
036102,000819:                                                                                                  #  FOR TM, DP(GAMMAEI) = (GAMMA, RTGO)/360
036103,000820: 
036104,000821:                                                                                                  #  VGAM FROM PDL+0   (-7)
036105,000822: 26,2776           77626                           STADR                                          
036106,000823: 26,2777           74020                           STORE    VPRED                                 #  CONIC VELOCITY AT 400K FT
036107,000824: 
036108,000825: 26,3000           77634                           RTB                                            
036109,000826: 26,3001           54304                                    P61.1                                 
036110,000827:                                                                                                  #  PDL BACK TO ZERO.
036111,000828: 
036112,000829: 26,3002           52145        LUNENT             DLOAD    GOTO                                  
036113,000830: 26,3003           06452                                    1/RTMUE                               #  ESTABLISH MU FOR LUNAR TYPE ENTRIES
036114,000831: 26,3004           54660                                    CALLCON                               
036115,000832: 26,3005           00002 26244  290KFT             2DEC     88392.0    B-29                       
036116,000833: 26,3007           33335 05707  36KFT/S            2DEC     109.728    B-7                        #  (-7) M/CS = 36 KFT/S (-7)
036117,000834: 26,3011           36365 30244  20KFT/S            2DEC     121.92     B-7                        #  (-6) M/CS = 2 20KFT/S  (-7)
036118,000835: 26,3013           77113 42770  KR1                2DEC     -.026666667                            #  = -2.4 4 / 360
036119,000836: 26,3015           77354 65030  -6.05DEG           2DEC     -.016805556                            #  = -6.05 / 360
036120,000837: 26,3017           21450 00001  KR2                2DEC     .54931641                             #  = (360/4) 100 (-14) = 9000 B-14

Page 815

036122,000839: 26,3021           01750 00000  KR3                2DEC     1000       B-14                       #  = 100 (10.0) (-14) G,S
036123,000840:                                                                                                  #  ASSUMES L/D = 0.3, BANK =0.
036124,000841: 26,3023           00305 04541  RTRIAL             2DEC     6460097.18 B-29                       #  RPAD +284643 FT =21 194 545 FT
036125,000842:                                                                                                  #  RPAD DEFINED AS 20 909 901.57 FT =6 373 338 M
036126,000843: 26,3025           00003 27040  400KFT             2DEC     121920     B-29                       #  METERS
036127,000844: 
036128,000845:                                                                                                  #  300KFT        2DEC    91440 B-29      (-29)  M
036129,000846: 
036130,000847:                                                                                                  #  EMSALT        2DEC    86759.2 B-29    284643 FT (-29) M       (ORBITAL REENTRY)
036131,000848: 
036132,000849:                                                                                                  #  EMSALT        2DEC    90657 B-29      297431 FT (-29) M       (LUNAR REENTRY)
036133,000850: 
036134,000851: 26,3027           32525 12525  KR4                2DEC     .833333333                            
036135,000852: 26,3031  23,2455               300KFT             EQUALS   MINPERE                               
036136,000853: 26,3031           77777 76601  VEMSCON            2DEC     -.0389676  B-14                       #  = -HS D / 2 PI (-14)  M SQ / CS SQ
036137,000854:                                                                                                  #  =- 16369      .05G    32.2    .3048   .3048/2 PI      (-14)
036138,000855: 

Page 816

036140,000857:                                                                                                  #  SUBROUTINE NAME:  FISHCALC            (USED BY S61.2)                 DATE:           01.21.67
036141,000858:                                                                                                  #  MOD NO: 0                                                             LOG SECTION:    P61-P67
036142,000859:                                                                                                  #  MOD BY: MORTH / BAIRNSFATHER
036143,000860:                                                                                                  #  MOD NO: 1     MOD BY: RR BAIRNSFATHER         DATE:   11 MAY 67       INCLUDE GETERAD CALL
036144,000861:                                                                                                  #  FUNCTIONAL DESCRIPTION:  GIVEN THE PRESENT POSITION, UNITR, CALCULATE A NEW UNITR THAT IS ROTATED THROUGH
036145,000862:                                                                                                  #        TRANSFER ANGLE, THETA, ALONG TRAJECTORY. THEN CALCULATE  SIN(LAT)  AND USE TO OBTAIN FISCHER RADIUS.
036146,000863: 
036147,000864:                                                                                                  #        SINCE FISHCALC USES UNI (LEFT BY ENTRY) EARTH SCALING IS ASSUMED. (WILL IMPROVE FOR SUITABLE TENNANT)
036148,000865: 
036149,000866:                                                                                                  #  CALLING SEQUENCE:     CALL
036150,000867:                                                                                                  #                                FISHCALC
036151,000868:                                                                                                  #        ENTER WITH .5 SIN(THETA) IN MPAC.
036152,000869:                                                                                                  #        PUSHLOC IS AT PDL+0, AN ARBITRARY BASE VALUE IF LEQ 8D
036153,000870: 
036154,000871:                                                                                                  #  SUBROUTINES CALLED:   GET ERAD
036155,000872:                                                                                                  #  NORMAL EXIT MODE:     RVQ
036156,000873:                                                                                                  #  EXIT MODES:           NONE
036157,000874:                                                                                                  #  OUTPUT:       ERADM  (-29) M   IN MPAC ON RETURNING
036158,000875:                                                                                                  #                NEW UNIT VECTOR NOT SAVED.
036159,000876:                                                                                                  #                SIN(LAT) NOT SAVED.
036160,000877:                                                                                                  #                PUSHLOC AT PDL+0
036161,000878: 
036162,000879:                                                                                                  #  ERASEABLE INITIALIZATION REQUIRED:
036163,000880:                                                                                                  #                SDELF/2         =SIN(THETA) /2, IN MPAC                 LEFT BY TFF/TRIG
036164,000881:                                                                                                  #                CDELF/2         =COS(THETA) /2, STORED IN PDL 14D       LEFT BY TFF/TRIG
036165,000882:                                                                                                  #                RONE            (-29) M                                 LEFT BY USER
036166,000883:                                                                                                  #                VONE            (-7)  M/CS                              LEFT BY USER
036167,000884:                                                                                                  #                URONE           UR/2                                    LEFT BY USER
036168,000885:                                                                                                  #                UNI             .5 UNIT(V*R)                            LEFT BY ENTRY / P61
036169,000886:                                                                                                  #                UNITW           UNIT NORTH POLE                         LEFT BY PAD LOAD
036170,000887:                                                                                                  #  DEBRIS:       QPRET, PDL+0 ... PDL+5
036171,000888: 
036172,000889:                                                                                                  #  -      -          -
036173,000890: 26,3033           47315        FISHCALC           PDVL     VXV                                   #  URPR = UR CDELF + UHOR SDELF
036174,000891: 26,3034           02334                                    URONE                                 
036175,000892: 26,3035           03502                                    UNI                                   
036176,000893: 26,3036           76561                           VXSC     VSL1                                  
036177,000894:                                                                                                  #  SIN(THETA) / 2 FROM PDL+0
036178,000895: 26,3037           74315                           PDVL     VXSC                                  #  TO PDL+0, +5
036179,000896: 26,3040           02334                                    URONE                                 
036180,000897: 26,3041           00017                                    CDELF/2                               #  COS(THETA) /2
036181,000898: 26,3042           45455                           VAD      STADR                                 
036182,000899: 26,3043           74235                           STORE    URH                                   #  FOR USE IN RTGO FROM EMS DISPLAY
036183,000900: 26,3044           72441                           DOT      SL1                                   
036184,000901: 26,3045           01712                                    UNITW                                 #  FULL UNIT VECTOR      UNIT NORTH
036185,000902: 26,3046           02156                           STORE    ALPHAV     +4                         #  = .5 SIN(LAT)
036186,000903: 26,3047           77650        DUMPFISH           GOTO                                           
036187,000904: 26,3050           26570                                    GETERAD                               #  SAVES FISCHER RAD (-29) M IN ERADM AND
036188,000905:                                                                                                  #  IN MPAC. RETURNS TO CALLER VIQ QPRET.
036189,000906: 

Page 817

036191,000908:                                                                                                  #  SUBROUTINE NAME:  VGAMCALC            (USED BY S61.2)                 DATE:           01.21.67
036192,000909:                                                                                                  #  MOD NO: 0                                                             LOG SECTION:    P61-P67
036193,000910:                                                                                                  #  MOD BY: MORTH / BAIRNSFATHER
036194,000911:                                                                                                  #  MOD NO: 1     MOD BY: RR BAIRNSFATHER         DATE: 11 APR 67
036195,000912:                                                                                                  #  MOD NO: 2     MOD BY: RR BAIRNSFATHER         DATE: 21 NOV 67         VARIABLE MU ADDED.
036196,000913:                                                                                                  #  MOD NO: 3     MOD BY: RR BAIRNSFATHER         DATE: 21 MAR 68         ACCEPT DIFFERENT EARTH/MOON SCALE
036197,000914:                                                                                                  #  FUNCTIONAL DESCRIPTION:       EARTH CENTERED VIS VIVA CALCULATION OF TERMINAL VELOCITY AND GAMMA (REL TO
036198,000915:                                                                                                  #        HORIZONTAL)  GIVEN  THE SCALAR QUANTITIES:  PRESENT RADIUS AND VELOCITY AND THE TERMINAL RADIUS.
036199,000916:                                                                                                  #        THE USER MUST APPEND PROPER SIGN TO GAMMA, SINCE IT IS CALCULATED AS A POSITIVE NUMBER.
036200,000917:                                                                                                  #        THE EQUATIONS ARE
036201,000918: 
036202,000919:                                                                                                  #                VGAM = SQRT(VN VN/MU + 2(RN-RTERM)/(RN RTERM) ) RTMU
036203,000920: 
036204,000921:                                                                                                  #                COSGAM = H /RTERM VGAM = SQRT(LCP)/ (RTERM VGAM/RTMU)
036205,000922: 
036206,000923:                                                                                                  #        VGAMCALC ASSUMES THAT THE TERMINAL RADIUS IS LESS THAN THE PRESENT RADIUS. BOTH CALCTFF AND CALCTPER
036207,000924:                                                                                                  #        MAKE THIS ASSUMPTION.
036208,000925: 
036209,000926:                                                                                                  #  CALLING SEQUENCE:     CALL                    STCALL  RTERM
036210,000927:                                                                                                  #                                VGAMCALC                PREVGAM
036211,000928:                                                                                                  #        PUSHLOC AT PDL+0, ARBITRARY  IF LEQ 12D
036212,000929:                                                                                                  #        C(MPAC) UNSPECIFIED                     C(MPAC)=NEW RTERM
036213,000930: 
036214,000931:                                                                                                  #  SUBROUTINES CALLED:   NONE
036215,000932:                                                                                                  #  NORMAL EXIT MODE:     RVQ
036216,000933:                                                                                                  #  ALARMS:       NONE
036217,000934:                                                                                                  #  OUTPUT:       GAMMA / 360 IN MPAC, POSITIVE NUMBER
036218,000935:                                                                                                  #                VGAM    E:(-7)    M:(-5)        M/CS  IN PDL+0
036219,000936:                                                                                                  #                PUSHLOC AT PDL+2
036220,000937:                                                                                                  #  ERASABLE INITIALIZATION REQD:
036221,000938:                                                                                                  #        TFF/RTMU  E:(17)  M:(14)        1/SQRT(MU)                              LEFT BY TFFCONIC.
036222,000939:                                                                                                  #        RMAG1     E:(-29) M:(-27)       M  PRESENT RADIUS LENGTH                LEFT BY TFFCONIC
036223,000940:                                                                                                  #        NRMAG     E:(-29+NR)            M  NORM LENGTH OF PRESENT POSITION      LEFT BY TFFCONIC
036224,000941:                                                                                                  #                  M:(-27+NR)
036225,000942:                                                                                                  #        RTERM     E:(-29) M:(-27)       M  TERMINAL RADIUS LENGTH               LEFT BY CALCTFF
036226,000943:                                                                                                  #        NRTERM    E:(-29+NR)            M  NORM LENGTH OF TERMINAL RADIUS       LEFT BY CALCTFF
036227,000944:                                                                                                  #                  M:(-27+NR)
036228,000945:                                                                                                  #        TFFVSQ    E:(20)  M:(18)        1/M  -(V SQ/MU): PRESENT VELOCITY, NORM LEFT BY TFFCONIC
036229,000946:                                                                                                  #        TFFNP     E:(-38+2NR)           M  LCP, SEMI-LATUS RECTUM, WEIGHT NR    LEFT BY TFFCONIC
036230,000947:                                                                                                  #                  M:(-36+2NR)
036231,000948:                                                                                                  #  DEBRIS:       QPRET,   PDL+0 ... PDL+3
036232,000949:                                                                                                  #                RTERM,  NRTERM  IF PREVGAM ENTERED.

Page 818

036234,000951: 
036235,000952: 26,3051           77657        PREVGAM            SL*                                            #  ENTER WITH NEW RTERM IN MPAC
036236,000953:                                                                                                  #  E: (-29)  M: (-27)
036237,000954: 26,3052           20201                                    0,1                                   #  X1 = -NR
036238,000955: 26,3053           00021                           STORE    NRTERM                                #  RTERM  M              E: (-29+NR)     M: (-27+NR)
036239,000956: 
036240,000957: 26,3054           41345        VGAMCALC           DLOAD    DMP                                   
036241,000958: 26,3055           00041                                    NRMAG                                 #  RMAG  M               E: (-29+NR)     M: (-27+NR)
036242,000959: 26,3056           00021                                    NRTERM                                #  RTERM  M              E: (-29+NR)     M: (-27+NR)
036243,000960: 26,3057           45325                           PDDL     DSU                                   #  RMAG RTERM M          E: (-58+2NR)    M: (-54+2NR)
036244,000961: 26,3060           00041                                    NRMAG                                 #  RMAG  M               E: (-29+NR)     M: (-27+NR)
036245,000962: 26,3061           00021                                    NRTERM                                #  RTERM  M              E: (-29+NR)     M: (-27+NR)
036246,000963: 26,3062           56257                           SL*      DDV                                   #  2(RN-RTERM)           E: (-30+NR)     M: (-28+NR)
036247,000964: 26,3063           20171                                    0          -8D,1                      #  (-8+NR)
036248,000965:                                                                                                  #  PUSH UP PRODUCT.                                      
036249,000966: 26,3064           77625                           DSU                                            
036250,000967: 26,3065           00025                                    TFFVSQ                                #  -(V SQ/MU)            E: (20)         M: (18)
036251,000968: 26,3066           41566                           SQRT     PUSH                                  #  SAVE VGAM/RT(MU) FOR NOW. E: (10)     M: (9)
036252,000969: 26,3067           65271                           DDV      PDDL                                  #  XCH PDL+0, LEAVING VGAM FOR OUTPUT.
036253,000970:                                                                                                  #  VGAM TO PDL M/CS      E: (-7)         M: (-2)
036254,000971: 26,3070           00037                                    TFF/RTMU                              #                        E: (17)         M: (14)
036255,000972: 26,3071           65205                           DMP      PDDL                                  #  RTERM VGAM/RTMU       E: (-19+NR)     M: (-18+NR)
036256,000973: 26,3072           00021                                    NRTERM                                #  RTERM  M              E: (-29+NR)     M: (-27+NR)
036257,000974: 26,3073           00035                                    TFFNP                                 #  LC P =H.H/MU  M       E: (-38+2NR)    M: (-36+2NR)
036258,000975: 26,3074           56366                           SQRT     DDV                                   #                        E: (-19+NR)     M: (-18+NR)
036259,000976:                                                                                                  #  PUSH UP DEN           E: (-19+NR)     M: (-18+NR)
036260,000977:                                                                                                  #  USE DDV OVFL AS LIMITER (|COS| <1.0)
036261,000978: 26,3075           65542                           SR1      ACOS                                  
036262,000979: 26,3076           77616        DUMPVGAM           RVQ                                            
036263,000980:                                                                                                  #  CALLER MUST SUPPLY OWN SIGN ...
036264,000981:                                                                                                  #                        22W     27MS
036265,000982: 

Page 819

036267,000984:                                                                                                  #  SUBROUTINE NAME:      TFF/TRIG        (USED BY S61.2)         DATE            01.17.67
036268,000985:                                                                                                  #  MOD NO: 0                                                     LOG SECTION:    P61-P67
036269,000986:                                                                                                  #  MOD BY: RR BAIRNSFATHER
036270,000987:                                                                                                  #  MOD NO: 1     MOD BY: RR BAIRNSFATHER         DATE: 14 APR 67
036271,000988:                                                                                                  #  MOD NO: 2     MOD BY: RR BAIRNSFATHER         DATE: 21 MAR 68         ACCEPT DIFFERENT EARTH/MOON SCALE
036272,000989:                                                                                                  #  FUNCTIONAL DESCRIPTION:       USED BY ENTRY DISPLAY TO CALCULATE SIN(THETA), COS(THETA) FROM DATA LEFT IN
036273,000990:                                                                                                  #        PDL BY TFF SUBROUTINES.  THE EQNS ARE
036274,000991: 
036275,000992:                                                                                                  #                COS(THETA) = 1-2 ABS(ARG) / (RN RTERM (1+X) )
036276,000993:                                                                                                  #                                                2
036277,000994:                                                                                                  #                SIN(THETA) = SGN(ARG) SQRT(1-COS (THETA) )
036278,000995: 
036279,000996:                                                                                                  #        WHERE   THETA = TRANSFER ANGLE
036280,000997:                                                                                                  #        AND     ARG = P Z ABS(Z)                        IF ALFA ZZ   LEQ 1
036281,000998:                                                                                                  #                ARG = (P / ALFA) SGN(Q1 + R 1/Z)        IF ALFA Z Z   G  1
036282,000999:                                                                                                  #        AND  ARG  HAS BEEN AFFIXED WITH THE SIGN OF SIN(THETA).
036283,001000:                                                                                                  #  CALLING SEQUENCE:     CALL
036284,001001:                                                                                                  #                                TFF/TRIG
036285,001002:                                                                                                  #                PUSHLOC AT PDL+0, ARBITRARY IF NOT EQ 14D
036286,001003:                                                                                                  #                C(MPAC) UNSPECIFIED
036287,001004: 
036288,001005:                                                                                                  #  SUBROUTINES CALLED:   NONE
036289,001006:                                                                                                  #  NORMAL EXIT MODES:    RVQ
036290,001007:                                                                                                  #  ALARMS:       NONE
036291,001008:                                                                                                  #  OUTPUT:       C(MPAC) = .5 SIN(THETA)
036292,001009:                                                                                                  #                CDELF/2 = .5 COS(THETA)         (IN PDL 14D)
036293,001010:                                                                                                  #                PUSHLOC AT PDL+0
036294,001011:                                                                                                  #  ERASABLE INITIALIZATION REQUIRED:
036295,001012:                                                                                                  #                TFFX                    X                                       LEFT BY CALCTFF OR CALCTPER
036296,001013:                                                                                                  #                TFFTEM  E: (-59+2NR)    ARG                                     LEFT BY CALCTFF OR CALCTPER
036297,001014:                                                                                                  #                        M: (-55+2NR)    WHERE ARG = LCP ZZ SGN(DELF) OR ARG = LCP/ALFA SGN(DELF)
036298,001015:                                                                                                  #                NRTERM  E: (-29+NR)     M  NORM LENGTH OF TERMINAL RADIUS       LEFT BY CALCTFF OR CALCTPER
036299,001016:                                                                                                  #                        M: (-27+NR)     
036300,001017:                                                                                                  #                NRMAG   E: (-29+NR)     M  NORM LENGTH OF PRESENT POSITION      LEFT BY TFFCONIC
036301,001018:                                                                                                  #                        M: (-27+NR)
036302,001019:                                                                                                  #  DEBRIS:       QPRET, CDELF/2
036303,001020: 
036304,001021: 27,2000                                           SETLOC   P60S5                                 
036305,001022: 27,2000                                           BANK                                           
036306,001023: 27,3052                                           COUNT*   $$/S61.2                              
036307,001024: 27,3052           70545        TFF/TRIG           DLOAD    SR1                                   
036308,001025: 27,3053           00043                                    TFFX                                  
036309,001026: 27,3054           41215                           DAD      DMP                                   
036310,001027: 27,3055           15334                                    HIDPHALF                              
036311,001028: 27,3056           00041                                    NRMAG                                 #  RMAG  M               E: (-29+NR)     M: (-27+NR)
036312,001029: 27,3057           55205                           DMP      BDDV                                  
036313,001030: 27,3060           00021                                    NRTERM                                #  RTERM  M              E: (-29+NR)     M: (-27+NR)
036314,001031: 27,3061           00045                                    TFFTEM                                #  P ZSQ OR P/ALFA       E: (-59+2NR)    M: (-55+2NR)
036315,001032: 27,3062           44246                           ABS      BDSU                                  #  THE SIGN IS FOR SDELF.
036316,001033: 27,3063           15334                                    HIDPHALF                              
036317,001034: 27,3064           00017                           STORE    CDELF/2                               #  .5 COS(THETA)
036318,001035: 27,3065           57516                           DSQ      DCOMP                                 #  KEEP HONEST FOR SQRT.

Page 820

036320,001037: 27,3066           75415                           DAD      SQRT                                  
036321,001038: 27,3067           15326                                    HIDP1/4                               
036322,001039: 27,3070           43565        DUMPTRIG           SIGN     RVQ                                   
036323,001040: 27,3071           00045                                    TFFTEM                                #  AFFIX SIGN(DELE/2)
036324,001041:                                                                                                  #  RETURN WITH .5 SIN(THETA) IN MPAC
036325,001042: 
036326,001043: 04,2000                                           SETLOC   P60S6                                 
036327,001044: 04,2000                                           BANK                                           
036328,001045: 
036329,001046: 04,3731                                           COUNT*   $$/S61.1                              
036330,001047:                                                                                                  #                        16W     15MS
036331,001048: 
036332,001049: 04,3731           77620        DISPTARG           STQ                                            #  C(MPAC) = TRGO ESTIMATE
036333,001050: 04,3732           03373                                    60GENRET                              
036334,001051: 04,3733           43205                           DMP      DAD                                   #  (TTE1 IS POSITIVE)
036335,001052: 04,3734           11752                                    KTETA1                                
036336,001053: 04,3735           03733                                    TTE1                                  
036337,001054: 04,3736           37606                           STCALL   DTEAROT                               
036338,001055: 04,3737           46223                                    EARROT2                               
036339,001056: 04,3740           77624                           CALL                                           
036340,001057: 04,3741           11744                                    VRCALC                                
036341,001058: 04,3742           77650                           GOTO                                           
036342,001059: 04,3743           03373                                    60GENRET                              
036343,001060: 04,3744           50375        VRCALC             VLOAD    DOT                                   
036344,001061: 04,3745           03542                                    URH                                   
036345,001062: 04,3746           03474                                    RT                                    
036346,001063: 04,3747           65512                           SL2      ACOS                                  
036347,001064: 04,3750           77616                           RVQ                                            
036348,001065: 04,3751           00052 05716  KTETA1             2DEC     .421844723 E2         B-14*           #  1100 2PI/16384(163.84)
036349,001066:                                                                                                  #  END OF PROGRAM S61.2
036350,001067: 

Page 821

036352,001069:                                                                                                  #  PROGRAM DESCRIPTION S62.3     DATE 10JAN67
036353,001070:                                                                                                  #  MOD NO 1                      LOG SECTION P60-P67
036354,001071:                                                                                                  #  MOD BY ZELDIN
036355,001072:                                                                                                  #  MOD NO: 2     MOD BY: RR BAIRNSFATHER         DATE: 15 MAY 67         CHANGED TO REF COORDS.
036356,001073:                                                                                                  #  MOD NO: 3     MOD BY: RR BAIRNSFATHER         DATE: 17 JAN 68         ALFAPAD CHANGES MADE.
036357,001074:                                                                                                  #  FUNCTIONAL DESCRIPTION
036358,001075:                                                                                                  #        COMPUTE DESIRED GIMBOL ANGLES FOR ENTRY ATTITUDE
036359,001076:                                                                                                  #        THE FOLLOWING TRAJECTORY TRIAD IS AVAILABLE IN MEMORY AND IS COMPUTED EACH 2 SECONDS BY  CM/POSE  IN
036360,001077:                                                                                                  #        REFERENCE COORDINATES (V = VELOCITY RELATIVE TO EARTH) :
036361,001078: 
036362,001079:                                                                                                  #                UXA = -UNIT(V)
036363,001080:                                                                                                  #                UYA =  UNIT(V*R)
036364,001081:                                                                                                  #                UZA =  UXA*UYA
036365,001082: 
036366,001083:                                                                                                  #        GENERATE A DESIRED BODY TRIAD FOR TRIMMED FLIGHT WITH RESPECT TO THE RELATIVE VELOCITY VECTOR, USING
036367,001084:                                                                                                  #        ROLL COMMAND AND TRIM ANGLE OF ATTACK:
036368,001085: 
036369,001086:                                                                                                  #                UXD = UNIT(UYD*UXA) SIN(ALFATRIM) + UXA COS(ALFATRIM)
036370,001087:                                                                                                  #                UYD = UYA COS(ROLLC) + UZA SIN(ROLLC)
036371,001088:                                                                                                  #                UZD = UXD * UYD
036372,001089: 
036373,001090:                                                                                                  #        USE THE DESIRED SET (IN REFERENCE COORDS) AND  REFSMMAT  TO CALL  CALCGA  AND OBTAIN GIMBAL ANGLES
036374,001091:                                                                                                  #        IN 2S,C IN MPAC, +2 AND THETAD, +2.
036375,001092: 
036376,001093:                                                                                                  #  CALLING SEQUENCE
036377,001094:                                                                                                  #        L       CALL
036378,001095:                                                                                                  #        L+1             S62.3
036379,001096:                                                                                                  #  NORMAL EXIT MODE
036380,001097:                                                                                                  #        RETURN VIA QPRET DIRECTLY FROM CALCGA.
036381,001098:                                                                                                  #  SUBROUTINES CALLED
036382,001099:                                                                                                  #        CALCGA
036383,001100:                                                                                                  #  ALARM OR ABORT MODES
036384,001101:                                                                                                  #        NONE
036385,001102:                                                                                                  #  ERASABLE INITIALIZATION REQUIRED
036386,001103:                                                                                                  #        ROLLC   ROLL COMMAND            DP 1:S COMP AT 1REV
036387,001104:                                                                                                  #        ALFAPAD SP 1S,C /180            LEFT BY PAD LOAD        ALFATRIM IS NEGATIVE.
036388,001105:                                                                                                  #        UXA/2   REF COORDS              LEFT BY CM/POSE
036389,001106:                                                                                                  #        UYA/2   REF COORDS              LEFT BY CM/POSE
036390,001107:                                                                                                  #        UZA/2   REF COORDS              LEFT BY CM/POSE
036391,001108:                                                                                                  #  OUTPUT
036392,001109:                                                                                                  #        CPHI    GIMBAL ANGLES (O,I,M) 2:S COMP TP (O,I,M)/180
036393,001110:                                                                                                  #  DEBRIS
036394,001111:                                                                                                  #        QTEMP, QPRET, PUSHLIST
036395,001112: 
036396,001113: 10,2000                                           SETLOC   P60S4                                 
036397,001114: 10,2000                                           BANK                                           
036398,001115: 
036399,001116: 10,2412                                           COUNT*   $$/S62.3                              
036400,001117: 

Page 822

036402,001119: 10,2412           67201        S62.3              SETPD    SLOAD                                 
036403,001120: 10,2413           00001                                    0                                     
036404,001121: 10,2414           03012                                    ALFAPAD                               #  ALFATRIM /180, ALFA IS NEG.
036405,001122: 10,2415           41542                           SR1      PUSH                                  
036406,001123: 10,2416           65346                           COS      PDDL                                  #  XCH PDL, COS TO PDL0
036407,001124: 10,2417           65356                           SIN      PDDL                                  #  SIN TO PDL2
036408,001125: 10,2420           03316                                    ROLLC                                 
036409,001126: 10,2421           74346                           COS      VXSC                                  
036410,001127: 10,2422           03550                                    UYA/2                                 #                                REF COORDS
036411,001128: 10,2423           73525                           PDDL     SIN                                   #  PUSH VECTOR INTO PDL4,.9
036412,001129: 10,2424           03316                                    ROLLC                                 
036413,001130: 10,2425           53361                           VXSC     VAD                                   
036414,001131: 10,2426           03556                                    UZA/2                                 #                                REF COORDS
036415,001132:                                                                                                  #  VECTOR FROM PDL4, 9
036416,001133: 10,2427           77772                           VSL1                                           
036417,001134: 10,2430           02722                           STORE    YNB                                   #  = UYD                         REF COORDS
036418,001135: 
036419,001136: 10,2431           76435                           VXV      VSL1                                  
036420,001137: 10,2432           03542                                    UXA/2                                 #                                REF COORDS
036421,001138: 10,2433           65361                           VXSC     PDDL                                  
036422,001139:                                                                                                  #  SIN TRIM FROM PDL2
036423,001140:                                                                                                  #  XCH PDL0 FOR COS TRIM
036424,001141: 10,2434           53361                           VXSC     VAD                                   
036425,001142: 10,2435           03542                                    UXA/2                                 #                                REF COORDS
036426,001143:                                                                                                  #  FROM PDL0
036427,001144: 10,2436           77772                           VSL1                                           
036428,001145: 10,2437           02714                           STORE    XNB                                   #  X SC AXIS (.5 UNIT)           REF COORDS
036429,001146: 
036430,001147: 10,2440           76435                           VXV      VSL1                                  
036431,001148: 10,2441           02722                                    YNB                                   
036432,001149: 10,2442           26730                           STOVL    ZNB                                   #  Z SC IN REF COOR. SCALED AT 2
036433,001150: 10,2443           01734                                    REFSMMAT                              
036434,001151: 10,2444           26672                           STOVL    XSM                                   
036435,001152: 10,2445           01742                                    REFSMMAT   +6                         
036436,001153: 10,2446           26700                           STOVL    YSM                                   
036437,001154: 10,2447           01750                                    REFSMMAT   +12D                       
036438,001155: 10,2450           02706                           STORE    ZSM                                   
036439,001156: 
036440,001157: 10,2451           77650                           GOTO                                           
036441,001158: 10,2452           47344                                    CALCGA                                
036442,001159:                                                                                                  #  CALCGA WILL RETURN TO ORIGINAL CALLER
036443,001160:                                                                                                  #  VIA QPRET WITH 2,S COMP. ANGLES IN CPHI

End of include-file P61-P67.agc.  Parent file is MAIN.agc