Source Code

This is an attempt to recreate Luminary 99 Rev 2, otherwise known as LUM99R2, from Luminary 99 Rev 1 and ephemeris data from Luminary 116. The differences are confined to the last 10-12 lines of the CONTROLLED CONSTANTS. Luminary 99 Rev 1 source-code was transcribed from a printout in the MIT Museum, while Luminary 116 source code was transcribed from a printout belonging to Don Eyles. AGC developer James Kernan, the "rope mother" for the Apollo 11 Lunar Module's AGC, explains as follows: "At the last minute, Dan Lickly, our chief engineer, appeared with ephemerides updates and it took two tries to get it right. The result was that we created Lum99 Revision 1 and Lum99 Revision 2." It is suspected that the former is what's in the MIT Museum, and the latter is what we are trying to recreate here. As for which revision actually flew in Apollo 11, all of the other available surviving evidence points to Rev 1 rather than to Rev 2, so we're just not sure!

052815,000002:                                                                                                  ## Copyright:   Public domain.
052816,000003:                                                                                                  ## Filename:    POWERED_FLIGHT_SUBROUTINES.agc
052817,000004:                                                                                                  ## Purpose:     Part of the source code for Luminary 1A build 099.
052818,000005:                                                                                                  ##              It is part of the source code for the Lunar Module's (LM)
052819,000006:                                                                                                  ##              Apollo Guidance Computer (AGC), for Apollo 11.
052820,000007:                                                                                                  ## Assembler:   yaYUL
052821,000008:                                                                                                  ## Contact:     Ron Burkey <info@sandroid.org>.
052822,000009:                                                                                                  ## Website:     www.ibiblio.org/apollo.
052823,000010:                                                                                                  ## Pages:       1259-1267
052824,000011:                                                                                                  ## Mod history: 2009-05-26 RSB  Adapted from the corresponding 
052825,000012:                                                                                                  ##                              Luminary131 file, using page 
052826,000013:                                                                                                  ##                              images from Luminary 1A.
052827,000014:                                                                                                  ##              2011-01-06 JL   Fixed pseudo-label indentation.
052828,000015:                                                                                                  ##              2016-12-17 RSB  Proofed text comments with octopus/ProoferComments
052829,000016:                                                                                                  ##                              and corrected the errors found.
052830,000017:                                                                                                  ##              2017-03-03 RSB  Snapshot of Luminary 99 Rev 1. 
052831,000018:                                                                                                  ##              2017-03-16 RSB  Comment-text fixes identified in 5-way
052832,000019:                                                                                                  ##                              side-by-side diff of Luminary 69/99/116/131/210.
052833,000020:                                                                                                  ##              2017-03-17 RSB  Comment-text fixes identified in diff'ing
052834,000021:                                                                                                  ##                              Luminary 99 vs Comanche 55.
052835,000022: 

Page 1259

052837,000024: 14,3774                                           BANK     14                                    #  SAME FBANK AS THE FINDCDUD SUB-PROGRAM
052838,000025: 23,2000                                           SETLOC   POWFLITE                              
052839,000026: 23,2000                                           BANK                                           
052840,000027: 
052841,000028: 23,3537     0142                                  EBANK=   DEXDEX                                
052842,000029: 23,3537                                           COUNT*   $$/POWFL                              
052843,000030: 
052844,000031:                                                                                                  #  CDUTRIG, CDUTRIG1, CDUTRIG2, AND CD*TR*GS ALL COMPUTE THE SINES AND
052845,000032:                                                                                                  #  COSINES OF THREE 2'S COMPLEMENT ANGLES AND PLACE THE RESULT, DOUBLE
052846,000033:                                                                                                  #  PRECISION, IN THE SAME ORDER AS THE INPUTS, AT SINCDU AND COSCDU.  AN
052847,000034:                                                                                                  #  ADDITIONAL OUTPUT IS THE 1'S COMPLEMENT ANGLES AT CDUSPOT.  THESE
052848,000035:                                                                                                  #  ROUTINES GO OUT OF THEIR WAY TO LEAVE THE MPAC AREA AS THEY FIND IT,
052849,000036:                                                                                                  #  EXCEPT FOR THE GENERALLY UNIMPORTANT MPAC +2.  THEY DIFFER ONLY IN
052850,000037:                                                                                                  #  WHERE THEY GET THE ANGLES, AND IN METHOD OF CALLING.
052851,000038: 
052852,000039:                                                                                                  #  CDUTRIG (AND CDUTRIG1, WHICH CAN BE CALLED IN BASIC) COMPUTE THE
052853,000040:                                                                                                  #  SINES AND COSINES FROM THE CURRENT CONTENTS OF THE CDU REGISTERS.
052854,000041:                                                                                                  #  THE CONTENTS OF CDUTEMP, ETC., ARE NOT TOUCHED SO THAT THEY MAY
052855,000042:                                                                                                  #  CONTINUE TO FORM A CONSISTENT SET WITH THE LATEST PIPA READINGS.
052856,000043: 
052857,000044:                                                                                                  #  CDUTRIG1 IS LIKE CDUTRIG EXCEPT THAT IT CAN BE CALLED IN BASIC.
052858,000045: 
052859,000046:                                                                                                  #  CD*TR*GS FINDS CDU VALUES IN CDUSPOT RATHER THAN IN CDUTEMP.  THIS
052860,000047:                                                                                                  #  ALLOWS USERS TO MAKE TRANSFORMATIONS USING ARBITRARY ANGLES, OR REAL
052861,000048:                                                                                                  #  ANGLES IN AN ORDER OTHER THAN X Y Z.  A CALL TO THIS ROUTINE IS
052862,000049:                                                                                                  #  NECESSARY IN PREPARATION FOR A CALL TO AX*SR*T IN EITHER OF ITS TWO
052863,000050:                                                                                                  #  MODES (SMNB OR NBSM).  SINCE AX*SR*T EXPECTS TO FIND THE SINES AND
052864,000051:                                                                                                  #  COSINES IN THE ORDER Y Z X THE ANGLES MUST HAVE BEEN PLACED IN CDUSPOT
052865,000052:                                                                                                  #  IN THIS ORDER.  CD*TR*GS NEED NOT BE REPEATED WHEN AX*SR*T IS CALLED
052866,000053:                                                                                                  #  MORE THAN ONCE, PROVIDED THE ANGLES HAVE NOT CHANGED.  NOTE THAT SINCE
052867,000054:                                                                                                  #  IT CLOBBERS BUF2 (IN THE SINE AND COSINE ROUTINES) CD*TR*GS CANNOT BE
052868,000055:                                                                                                  #  CALLED USING BANKCALL.  SORRY.
052869,000056: 
052870,000057:                                                                                                  #  CD*TR*G IS LIKE CD*TR*GS EXCEPT THAT IT CAN BE CALLED IN
052871,000058:                                                                                                  #  INTERPRETIVE.
052872,000059: 
052873,000060: 23,3537           77776        CDUTRIG            EXIT                                           
052874,000061: 23,3540           03547                           TC       CDUTRIGS                              
052875,000062: 23,3541           06037                           TC       INTPRET                               
052876,000063: 23,3542           77616                           RVQ                                            
052877,000064: 
052878,000065: 23,3543           77776        CD*TR*G            EXIT                                           
052879,000066: 23,3544           03555                           TC       CD*TR*GS                              
052880,000067: 23,3545           06037                           TC       INTPRET                               
052881,000068: 23,3546           77616                           RVQ                                            
052882,000069: 
052883,000070: 23,3547           30032        CDUTRIGS           CA       CDUX                                  
052884,000071: 23,3550           54772                           TS       CDUSPOT    +4                         
052885,000072: 23,3551           30033                           CA       CDUY                                  
052886,000073: 23,3552           54766                           TS       CDUSPOT                               

Page 1260

052888,000075: 23,3553           30034                           CA       CDUZ                                  
052889,000076: 23,3554           54770                           TS       CDUSPOT    +2                         
052890,000077: 
052891,000078: 23,3555           00006        CD*TR*GS           EXTEND                                         
052892,000079: 23,3556           22142                           QXCH     TEM2                                  
052893,000080: 23,3557           34751                           CAF      FOUR                                  
052894,000081: 23,3560           76242        TR*GL**P           MASK     SIX                                   #  MAKE IT EVEN AND SMALLER
052895,000082: 23,3561           54143                           TS       TEM3                                  
052896,000083: 23,3562           50143                           INDEX    TEM3                                  
052897,000084: 23,3563           30766                           CA       CDUSPOT                               
052898,000085: 23,3564           52155                           DXCH     MPAC                                  #  STORING 2'S COMP ANGLE, LOADING MPAC
052899,000086: 23,3565           52127                           DXCH     VBUF       +4                         #  STORING MPAC FOR LATER RESTORATION
052900,000087: 23,3566           04713                           TC       USPRCADR                              
052901,000088: 23,3567           21576                           CADR     CDULOGIC                              
052902,000089: 23,3570           00006                           EXTEND                                         
052903,000090: 23,3571           30155                           DCA      MPAC                                  
052904,000091: 23,3572           50143                           INDEX    TEM3                                  
052905,000092: 23,3573           52767                           DXCH     CDUSPOT                               #  STORING 1'S COMPLEMENT ANGLE
052906,000093: 23,3574           04713                           TC       USPRCADR                              
052907,000094: 23,3575           01517                           CADR     COSINE                                
052908,000095: 23,3576           52155                           DXCH     MPAC                                  
052909,000096: 23,3577           50143                           INDEX    TEM3                                  
052910,000097: 23,3600           52745                           DXCH     COSCDU                                #  STORING COSINE
052911,000098: 23,3601           00006                           EXTEND                                         
052912,000099: 23,3602           50143                           INDEX    TEM3                                  
052913,000100: 23,3603           30767                           DCA      CDUSPOT                               #  LOADING 1'S COMPLEMENT ANGLE
052914,000101: 23,3604           04713                           TC       USPRCADR                              
052915,000102: 23,3605           01531                           CADR     SINE       +1                         #  SINE +1 EXPECTS ARGUMENT IN A AND L
052916,000103: 23,3606           52127                           DXCH     VBUF       +4                         #  BRINGING UP PRIOR MPAC TO BE RESTORED
052917,000104: 23,3607           52155                           DXCH     MPAC                                  
052918,000105: 23,3610           50143                           INDEX    TEM3                                  
052919,000106: 23,3611           52737                           DXCH     SINCDU                                
052920,000107: 23,3612           10143                           CCS      TEM3                                  
052921,000108: 23,3613           13560                           TCF      TR*GL**P                              
052922,000109: 23,3614           00142                           TC       TEM2                                  

Page 1261

052924,000111:                                                                                                  #  ****************************************************************************************************************
052925,000112:                                                                                                  #  QUICTRIG, INTENDED FOR GUIDANCE CYCLE USE WHERE TIME IS CRITICAL, IS A MUCH FASTER VERSION OF CD*TR*GS.
052926,000113:                                                                                                  #  QUICTRIG COMPUTES AND STORES THE SINES AND COSINES OF THE 2'S COMPLEMENT ANGLES AT CDUSPOT, CDUSPOT +2,
052927,000114:                                                                                                  #  AND CDUSPOT +4.  UNLIKE CD*TR*GS, QUICTRIG DOES NOT LEAVE THE 1'S COMPLEMENT VERSIONS OF THE ANGLES IN
052928,000115:                                                                                                  #  CDUSPOT.  QUICTRIG'S EXECUTION TIME IS 4.1 MS;  THIS IS 10 TIMES AS FAST AS CD*TR*GS.  QUICTRIG MAY BE
052929,000116:                                                                                                  #  CALLED FROM INTERPRETIVE AS AN RTB OP-CODE, OR FROM BASIC VIA BANKCALL OR IBNKCALL.
052930,000117: 
052931,000118: 23,3615           00004        QUICTRIG           INHINT                                         #  INHINT SINCE DAP USES THE SAME TEMPS
052932,000119: 23,3616           00006                           EXTEND                                         
052933,000120: 23,3617           22061                           QXCH     ITEMP1                                
052934,000121: 23,3620           34751                           CAF      FOUR                                  
052935,000122: 23,3621           76242                 +4        MASK     SIX                                   
052936,000123: 23,3622           54062                           TS       ITEMP2                                
052937,000124: 23,3623           50062                           INDEX    ITEMP2                                
052938,000125: 23,3624           30766                           CA       CDUSPOT                               
052939,000126: 23,3625           05033                           TC       SPSIN                                 
052940,000127: 23,3626           00006                           EXTEND                                         
052941,000128: 23,3627           74736                           MP       BIT14                                 #  SCALE DOWN TO MATCH INTERPRETER OUTPUTS
052942,000129: 23,3630           50062                           INDEX    ITEMP2                                
052943,000130: 23,3631           52737                           DXCH     SINCDU                                
052944,000131: 23,3632           50062                           INDEX    ITEMP2                                
052945,000132: 23,3633           30766                           CA       CDUSPOT                               
052946,000133: 23,3634           05032                           TC       SPCOS                                 
052947,000134: 23,3635           00006                           EXTEND                                         
052948,000135: 23,3636           74736                           MP       BIT14                                 
052949,000136: 23,3637           50062                           INDEX    ITEMP2                                
052950,000137: 23,3640           52745                           DXCH     COSCDU                                
052951,000138: 23,3641           10062                           CCS      ITEMP2                                
052952,000139: 23,3642           13621                           TCF      QUICTRIG   +4                         
052953,000140: 23,3643           30061                           CA       ITEMP1                                
052954,000141: 23,3644           00003                           RELINT                                         
052955,000142: 23,3645           00000                           TC       A                                     
052956,000143: 

Page 1262

052958,000145:                                                                                                  #  ****************************************************************************************************************
052959,000146:                                                                                                  #  THESE INTERFACE ROUTINES MAKE IT POSSIBLE TO CALL AX*SR*T, ETC., IN
052960,000147:                                                                                                  #  INTERPRETIVE.  LATER, WHERE POSSIBLE, THEY WILL BE ELIMINATED.
052961,000148: 
052962,000149:                                                                                                  #  THESE INTERFACE ROUTINES ARE PERMANENT.  ALL RESTORE USER'S EBANK
052963,000150:                                                                                                  #  SETTING. ALL ARE STRICT INTERPRETIVE SUBROUTINES, CALLED USING "CALL",
052964,000151:                                                                                                  #  RETURNING VIA QPRET.  ALL EXPECT AND RETURN THE VECTOR TO BE TRANSFOR-
052965,000152:                                                                                                  #  MED INTERPRETER-STYLE IN MPAC; COMPONENTS AT MPAC, MPAC +3, AND MPAC +5.
052966,000153: 
052967,000154:                                                                                                  #  TRG*SMNB AND TRG*NBSM BOTH EXPECT TO SEE THE 2'S COMPLEMENT ANGLES
052968,000155:                                                                                                  #  AT CDUSPOT (ORDER Y Z X, AT CDUSPOT, CDUSPOT +2, AND CDUSPOT +4; ODD
052969,000156:                                                                                                  #  LOCATIONS NEED NOT BE ZEROED).  TRG*NBSM DOES THE NB TO SM TRANSFOR-
052970,000157:                                                                                                  #  MATION;  TRG*SMNB, VICE VERSA.
052971,000158: 
052972,000159:                                                                                                  #  CDU*NBSM DOES ITS TRANSFORMATION USING THE PRESENT CONTENTS OF
052973,000160:                                                                                                  #  THE CDU COUNTERS.  OTHERWISE IT IS LIKE TRG*NBSM.
052974,000161: 
052975,000162:                                                                                                  #  CDU*SMNB IS THE COMPLEMENT OF CDU*NBSM.
052976,000163: 
052977,000164: 23,3646           77776        CDU*SMNB           EXIT                                           
052978,000165: 23,3647           03547                           TC       CDUTRIGS                              
052979,000166: 23,3650           13653                           TCF      C*MM*N1                               
052980,000167: 
052981,000168: 23,3651           77776        TRG*SMNB           EXIT                                           
052982,000169: 23,3652           03555                           TC       CD*TR*GS                              
052983,000170: 23,3653           07532        C*MM*N1            TC       MPACVBUF                              #  AX*SR*T EXPECTS VECTOR IN VBUF
052984,000171: 23,3654           46245                           CS       THREE                                 #  SIGNAL FOR SM TO NB TRANSFORMATION
052985,000172: 23,3655           03675        C*MM*N2            TC       AX*SR*T                               
052986,000173: 23,3656           06037                           TC       INTPRET                               
052987,000174: 23,3657           43575                           VLOAD    RVQ                                   
052988,000175: 23,3660           00123                                    VBUF                                  
052989,000176: 
052990,000177: 23,3661           77776        CDU*NBSM           EXIT                                           
052991,000178: 23,3662           03547                           TC       CDUTRIGS                              
052992,000179: 23,3663           13666                           TCF      C*MM*N3                               
052993,000180: 
052994,000181: 23,3664           77776        TRG*NBSM           EXIT                                           
052995,000182: 23,3665           03555                           TC       CD*TR*GS                              
052996,000183: 23,3666           07532        C*MM*N3            TC       MPACVBUF                              #  FOR AX*SR*T
052997,000184: 23,3667           36245                           CA       THREE                                 #  SIGNAL FOR NB TO SM TRANSFORMATION
052998,000185: 23,3670           13655                           TCF      C*MM*N2                               
052999,000186: 
053000,000187:                                                                                                  #  *NBSM* AND *SMNB* EXPECT TO SEE THE SINES AND COSINES (AT SINCDU
053001,000188:                                                                                                  #  AND COSCDU) RATHER THAN THE ANGLES THEMSELVES.  OTHERWISE THEY ARE
053002,000189:                                                                                                  #  LIKE TRG*NBSM AND TRG*SMNB.
053003,000190: 
053004,000191:                                                                                                  #  NOTE THAT JUST AS CD*TR*GS NEED BE CALLED ONLY ONCE FOR EACH SERIES
053005,000192:                                                                                                  #  OF TRANSFORMATIONS USING THE SAME ANGLES, SO TOO ONLY ONE OF TRG*NBSM

Page 1263

053007,000194:                                                                                                  #  AND TRG*SMNB NEED BE CALLED FOR EACH SERIES.  FOR SUBSEQUENT TRANSFOR-
053008,000195:                                                                                                  #  MATIONS USE *NBSM* AND *SMNB*.
053009,000196: 
053010,000197: 23,3671           77776        *SMNB*             EXIT                                           
053011,000198: 23,3672           13653                           TCF      C*MM*N1                               
053012,000199: 
053013,000200: 23,3673           77776        *NBSM*             EXIT                                           
053014,000201: 23,3674           13666                           TCF      C*MM*N3                               
053015,000202: 
053016,000203:                                                                                                  #  AX*SR*T COMBINES THE OLD SMNB AND NBSM.  FOR THE NB TO SM
053017,000204:                                                                                                  #  TRANSFORMATION, ENTER WITH +3 IN A.  FOR SM TO NB, ENTER WITH -3.
053018,000205:                                                                                                  #  THE VECTOR TO BE TRANSFORMED ARRIVES, AND IS RETURNED, IN VBUF.
053019,000206:                                                                                                  #  AX*SR*T EXPECTS TO FIND THE SINES AND COSINES OF THE ANGLES OF ROTATION
053020,000207:                                                                                                  #  AT SINCDU AND COSCDU, IN THE ORDER Y Z X.  A CALL TO CD*TR*GS, WITH
053021,000208:                                                                                                  #  THE 2'S COMPLEMENT ANGLES (ORDER Y Z X) AT CDUSPOT, WILL TAKE CARE OF
053022,000209:                                                                                                  #  THIS.  HERE IS A SAMPLE CALLING SEQUENCE:-
053023,000210:                                                                                                  #                TC      CDUTRIGS
053024,000211:                                                                                                  #                CS      THREE           ("CA THREE" FOR NBSM)
053025,000212:                                                                                                  #                TC      AX*SR*T
053026,000213:                                                                                                  #  THE CALL TO CD*TR*GS NEED NOT BE REPEATED, WHEN AX*SR*T IS CALLED MORE
053027,000214:                                                                                                  #  THAN ONCE, UNLESS THE ANGLES HAVE CHANGED.
053028,000215: 
053029,000216:                                                                                                  #  AX*SR*T IS GUARANTEED SAFE ONLY FOR VECTORS OF MAGNITUDE LESS THAN
053030,000217:                                                                                                  #  UNITY.  A LOOK AT THE CASE IN WHICH A VECTOR OF GREATER MAGNITUDE
053031,000218:                                                                                                  #  HAPPENS TO LIE ALONG AN AXIS OF THE SYSTEM TO WHICH IT IS TO BE TRANS-
053032,000219:                                                                                                  #  FORMED CONVINCES ONE THAT THIS IS A RESTRICTION WHICH MUST BE ACCEPTED.
053033,000220: 
053034,000221: 23,3675           54142        AX*SR*T            TS       DEXDEX                                #  WHERE IT BECOMES THE INDEX OF INDEXES
053035,000222: 23,3676           00006                           EXTEND                                         
053036,000223: 23,3677           22145                           QXCH     RTNSAVER                              
053037,000224: 
053038,000225: 23,3700           10142        R*TL**P            CCS      DEXDEX                                #                +3 --> 0        -3 --> 2
053039,000226: 23,3701           40142                           CS       DEXDEX                                #  THUS:         +2 --> 1        -2 --> 1
053040,000227: 23,3702           66245                           AD       THREE                                 #                +1 --> 2        -1 --> 0
053041,000228: 23,3703           00006                           EXTEND                                         
053042,000229: 23,3704           50000                           INDEX    A                                     
053043,000230: 23,3705           33764                           DCA      INDEXI                                
053044,000231: 23,3706           52144                           DXCH     DEXI                                  
053045,000232: 
053046,000233: 23,3707           34753                           CA       ONE                                   
053047,000234: 23,3710           54130                           TS       BUF                                   
053048,000235: 23,3711           00006                           EXTEND                                         
053049,000236: 23,3712           50143                           INDEX    DEX1                                  
053050,000237: 23,3713           40123                           DCS      VBUF                                  
053051,000238: 23,3714           13716                           TCF      LOOP1                                 #  REALLY BE A SUBTRACT, AND VICE VERSA
053052,000239: 
053053,000240: 23,3715           52131        LOOP2              DXCH     BUF                                   #  LOADING VECTOR COMPONENT, STORING INDEX

Page 1264

053055,000242: 23,3716           52155        LOOP1              DXCH     MPAC                                  
053056,000243: 23,3717           33762                           CA       SINSLOC                               
053057,000244: 23,3720           60143                           AD       DEX1                                  
053058,000245: 23,3721           54116                           TS       ADDRWD                                
053059,000246: 
053060,000247: 23,3722           07107                           TC       DMPSUB                                #  MULTIPLY BY SIN(CDUANGLE)
053061,000248: 23,3723           10142                           CCS      DEXDEX                                
053062,000249: 23,3724           52155                           DXCH     MPAC                                  #  NBSM CASE
053063,000250: 23,3725           13730                           TCF      +3                                    
053064,000251: 23,3726           00006                           EXTEND                                         #  SMNB CASE
053065,000252: 23,3727           40155                           DCS      MPAC                                  
053066,000253: 23,3730           52160                           DXCH     TERM1TMP                              
053067,000254: 
053068,000255: 23,3731           36242                           CA       SIX                                   #  SINCDU AND COSCDU (EACH 6 WORDS) MUST
053069,000256: 23,3732           26116                           ADS      ADDRWD                                #        BE CONSECUTIVE AND IN THAT ORDER
053070,000257: 
053071,000258: 23,3733           00006                           EXTEND                                         
053072,000259: 23,3734           50130                           INDEX    BUF                                   
053073,000260: 23,3735           50143                           INDEX    DEX1                                  
053074,000261: 23,3736           30123                           DCA      VBUF                                  
053075,000262: 23,3737           52155                           DXCH     MPAC                                  
053076,000263: 23,3740           07107                           TC       DMPSUB                                #  MULTIPLY BY COS(CDUANGLE)
053077,000264: 23,3741           52155                           DXCH     MPAC                                  
053078,000265: 23,3742           20160                           DAS      TERM1TMP                              
053079,000266: 23,3743           52160                           DXCH     TERM1TMP                              
053080,000267: 23,3744           20001                           DDOUBL                                         
053081,000268: 23,3745           50130                           INDEX    BUF                                   
053082,000269: 23,3746           50143                           INDEX    DEX1                                  
053083,000270: 23,3747           52123                           DXCH     VBUF                                  
053084,000271: 23,3750           52131                           DXCH     BUF                                   #  LOADING INDEX, STORING VECTOR COMPONENT
053085,000272: 
053086,000273: 23,3751           10000                           CCS      A                                     #  'CAUSE THAT'S WHERE THE INDEX NOW IS
053087,000274: 23,3752           13715                           TCF      LOOP2                                 
053088,000275: 
053089,000276: 23,3753           00006                           EXTEND                                         
053090,000277: 23,3754           26142                           DIM      DEXDEX                                #  DECREMENT MAGNITUDE PRESERVING SIGN
053091,000278: 
053092,000279: 23,3755           10142        TSTPOINT           CCS      DEXDEX                                #  ONLY THE BRANCHING FUNCTION IS USED
053093,000280: 23,3756           13700                           TCF      R*TL**P                               
053094,000281: 23,3757           00145                           TC       RTNSAVER                              
053095,000282: 23,3760           13700                           TCF      R*TL**P                               
053096,000283: 23,3761           00145                           TC       RTNSAVER                              
053097,000284: 
053098,000285: 23,3762           00736        SINSLOC            ADRES    SINCDU                                #  FOR USE IN SETTING ADDRWD
053099,000286: 
053100,000287: 23,3763           00004        INDEXI             DEC      4          B-14                       #  **********   DON'T   **********
053101,000288: 23,3764           00002                           DEC      2          B-14                       #  **********   TOUCH   **********
053102,000289: 23,3765           00000                           DEC      0          B-14                       #  **********   THESE   **********

Page 1265

053104,000291: 23,3766           00004                           DEC      4          B-14                       #  ********** CONSTANTS **********
053105,000292: 
053106,000293:                                                                                                  #  ****************************************************************************************************************
053107,000294: 
053108,000295: 10,2030                                           BANK     10                                    
053109,000296: 10,2000                                           SETLOC   FLESHLOC                              
053110,000297: 10,2000                                           BANK                                           
053111,000298: 10,2030                                           COUNT*   $$/POWFL                              
053112,000299: 
053113,000300:                                                                                                  #  ROUTINE FLESHPOT COMPUTES THE BODY-STABLE MEMBER TRANSFORMATION MATRIX (COMMONLY CALLED XNB) AND STORES
053114,000301:                                                                                                  #  IT IN THE LOCATIONS SPECIFIED BY THE ECADR ENTERING IN A.
053115,000302: 
053116,000303: 10,2030           77776        CALCSMSC           EXIT                                           
053117,000304: 10,2031           04616                           TC       BANKCALL                              
053118,000305: 10,2032           20036                           CADR     FLESHPOT   -1                         
053119,000306: 10,2033           06037                           TC       INTPRET                               
053120,000307: 10,2034           77616                           RVQ                                            
053121,000308: 
053122,000309: 10,2035           02664        XNBECADR           ECADR    XNB                                   
053123,000310: 
053124,000311: 10,2036           32035                 -1        CAF      XNBECADR                              
053125,000312: 
053126,000313: 10,2037           54142        FLESHPOT           TS       TEM2                                  
053127,000314: 10,2040           56003                           XCH      EBANK                                 
053128,000315: 10,2041           56142                           XCH      TEM2                                  
053129,000316: 10,2042           74357                           MASK     LOW8                                  
053130,000317: 10,2043           65007                           AD       OCT1400                               
053131,000318: 10,2044           54141                           TS       TEM1                                  
053132,000319: 
053133,000320: 10,2045           00006                           EXTEND                                         
053134,000321: 10,2046           30745                           DCA      COSCDUY                               
053135,000322: 10,2047           52155                           DXCH     MPAC                                  
053136,000323: 10,2050           07103                           TC       DMP                                   
053137,000324: 10,2051           00746                           ADRES    COSCDUZ                               
053138,000325: 10,2052           52155                           DXCH     MPAC                                  
053139,000326: 10,2053           20001                           DDOUBL                                         
053140,000327: 10,2054           50141                           INDEX    TEM1                                  
053141,000328: 10,2055           52001                           DXCH     0                                     #  = COSY COSZ
053142,000329: 
053143,000330: 10,2056           00006                           EXTEND                                         
053144,000331: 10,2057           30741                           DCA      SINCDUZ                               
053145,000332: 10,2060           50141                           INDEX    TEM1                                  
053146,000333: 10,2061           52003                           DXCH     2                                     #  = SINZ
053147,000334: 
053148,000335: 10,2062           00006                           EXTEND                                         
053149,000336: 10,2063           40737                           DCS      SINCDUY                               
053150,000337: 10,2064           52155                           DXCH     MPAC                                  
053151,000338: 10,2065           07107                           TC       DMPSUB                                #  ADDRWD SET TO COSCDUZ

Page 1266

053153,000340: 10,2066           52155                           DXCH     MPAC                                  
053154,000341: 10,2067           20001                           DDOUBL                                         
053155,000342: 10,2070           50141                           INDEX    TEM1                                  
053156,000343: 10,2071           52005                           DXCH     4                                     #  = - SINY COSZ
053157,000344: 
053158,000345: 10,2072           00006                           EXTEND                                         
053159,000346: 10,2073           40743                           DCS      SINCDUX                               
053160,000347: 10,2074           52155                           DXCH     MPAC                                  
053161,000348: 10,2075           07107                           TC       DMPSUB                                #  ADDRWD SET TO COSCDUZ STILL
053162,000349: 10,2076           52155                           DXCH     MPAC                                  
053163,000350: 10,2077           20001                           DDOUBL                                         
053164,000351: 10,2100           52160                           DXCH     MPAC       +3                         
053165,000352: 
053166,000353: 10,2101           00006                           EXTEND                                         
053167,000354: 10,2102           40743                           DCS      SINCDUX                               
053168,000355: 10,2103           52155                           DXCH     MPAC                                  
053169,000356: 10,2104           07103                           TC       DMP                                   
053170,000357: 10,2105           00740                           ADRES    SINCDUZ                               
053171,000358: 10,2106           00006                           EXTEND                                         
053172,000359: 10,2107           40155                           DCS      MPAC                                  
053173,000360: 10,2110           52162                           DXCH     MPAC       +5                         
053174,000361: 10,2111           07103                           TC       DMP                                   
053175,000362: 10,2112           00736                           ADRES    SINCDUY                               
053176,000363: 10,2113           52155                           DXCH     MPAC                                  
053177,000364: 10,2114           20001                           DDOUBL                                         
053178,000365: 10,2115           20001                           DDOUBL                                         
053179,000366: 10,2116           52162                           DXCH     MPAC       +5                         
053180,000367: 
053181,000368: 10,2117           52155                           DXCH     MPAC                                  
053182,000369: 10,2120           07103                           TC       DMP                                   
053183,000370: 10,2121           00744                           ADRES    COSCDUY                               
053184,000371: 10,2122           52155                           DXCH     MPAC                                  
053185,000372: 10,2123           20001                           DDOUBL                                         
053186,000373: 10,2124           20001                           DDOUBL                                         
053187,000374: 10,2125           52131                           DXCH     BUF                                   
053188,000375: 
053189,000376: 10,2126           00006                           EXTEND                                         
053190,000377: 10,2127           30745                           DCA      COSCDUY                               
053191,000378: 10,2130           52155                           DXCH     MPAC                                  
053192,000379: 10,2131           07103                           TC       DMP                                   
053193,000380: 10,2132           00750                           ADRES    COSCDUX                               
053194,000381: 10,2133           52155                           DXCH     MPAC                                  
053195,000382: 10,2134           20001                           DDOUBL                                         
053196,000383: 10,2135           20162                           DAS      MPAC       +5                         
053197,000384: 
053198,000385: 10,2136           00006                           EXTEND                                         
053199,000386: 10,2137           30737                           DCA      SINCDUY                               
053200,000387: 10,2140           52155                           DXCH     MPAC                                  
053201,000388: 10,2141           07107                           TC       DMPSUB                                #  ADDRWD SET TO COSCDUX
053202,000389: 10,2142           52155                           DXCH     MPAC                                  
053203,000390: 

Page 1267

053205,000392: 10,2143           20001                           DDOUBL                                         
053206,000393: 10,2144           20131                           DAS      BUF                                   
053207,000394: 
053208,000395: 10,2145           52131                           DXCH     BUF                                   
053209,000396: 10,2146           52155                           DXCH     MPAC                                  
053210,000397: 
053211,000398: 10,2147           00006                           EXTEND                                         
053212,000399: 10,2150           30155                           DCA      MPAC                                  
053213,000400: 10,2151           50141                           INDEX    TEM1                                  
053214,000401: 10,2152           52015                           DXCH     14                                    #  = SINY COSX + SINX SINZ COSY
053215,000402: 
053216,000403: 10,2153           00006                           EXTEND                                         
053217,000404: 10,2154           30160                           DCA      MPAC       +3                         
053218,000405: 10,2155           50141                           INDEX    TEM1                                  
053219,000406: 10,2156           52017                           DXCH     16                                    #  = - SINX COSZ
053220,000407: 
053221,000408: 10,2157           00006                           EXTEND                                         
053222,000409: 10,2160           30162                           DCA      MPAC       +5                         
053223,000410: 10,2161           50141                           INDEX    TEM1                                  
053224,000411: 10,2162           52021                           DXCH     20                                    #  = COSX COSY - SINX SINY SINZ
053225,000412: 
053226,000413: 10,2163           30141                           CA       TEM1                                  
053227,000414: 10,2164           54116                           TS       ADDRWD                                
053228,000415: 10,2165           00006                           EXTEND                                         
053229,000416: 10,2166           30006                           DCA      Z                                     
053230,000417: 10,2167           64751                           AD       FOUR                                  
053231,000418: 10,2170           52165                           DXCH     LOC                                   
053232,000419: 10,2171           34744                           CAF      BIT8                                  
053233,000420: 10,2172           54023                           TS       EDOP                                  
053234,000421: 10,2173           17460                           TCF      VXV                                   
053235,000422: 10,2174           52155                           DXCH     MPAC                                  
053236,000423: 10,2175           20001                           DDOUBL                                         
053237,000424: 10,2176           50141                           INDEX    TEM1                                  
053238,000425: 10,2177           52007                           DXCH     6                                     
053239,000426: 
053240,000427: 10,2200           52160                           DXCH     MPAC       +3                         
053241,000428: 10,2201           20001                           DDOUBL                                         
053242,000429: 10,2202           50141                           INDEX    TEM1                                  
053243,000430: 10,2203           52011                           DXCH     10                                    
053244,000431: 
053245,000432: 10,2204           52162                           DXCH     MPAC       +5                         
053246,000433: 10,2205           20001                           DDOUBL                                         
053247,000434: 10,2206           50141                           INDEX    TEM1                                  
053248,000435: 10,2207           52013                           DXCH     12                                    
053249,000436: 
053250,000437: 10,2210           30142                           CA       TEM2                                  
053251,000438: 10,2211           54003                           TS       EBANK                                 
053252,000439: 10,2212           14631                           TCF      SWRETURN                              
053253,000440: 

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