Source Code

This source code is very close to the Apollo Guidance Computer software for the Apollo 13 Lunar module. This revision of the Luminary 131 program is from December of 1969, whereas there was a later revision in January of 1970, and still another revision in February, which is the code that flew on the mission. As far as this transcription is concerned, it was originally from a copy made in 1991 of a printout from the collection of AGC developer Don Eyles for collector David Craig. It was subsequently scanned by Gary Neff, reprocessed for online presentation at the now-discontinued History of Recent Science and Technology (HRST) website of MIT's Dibner Institute (the full-quality scans being discarded in the process), and finally transcribed by Ron Burkey for the Virtual AGC Project. Although a high-quality replacement scan for a completely illegible page was later provided by Gary Neff, the reduced legibility of the reprocessed HRST posting nevertheless caused many errors to be introduced into the transcription. Accordingly, a second scan of the same physical printout was made in 2017 for the Virtual AGC Project's collection at the Internet Archive, and used to correct the transcription errors. All of the scanned materials mentioned, as well as other Luminary 131 related material, are available online. Don Eyles apprently made additional hand-written notes in printout between 1991 and 2017, so the two scans are not identical in that respect. The page-headings in the printout read, in part:
	GAP:  ASSEMBLE REVISION 131 OF AGC PROGRAM LUMINARY BY NASA 2021112-091
	17:53 DEC. 19, 1969
Note that the date is the date the printout was made, not the date on which the program revision was released, although these happen to be very close together.

054214,000002:                                                                                                  ## Copyright:   Public domain.
054215,000003:                                                                                                  ## Filename:    PHASE_TABLE_MAINTENANCE.agc
054216,000004:                                                                                                  ## Purpose:     A section of Luminary 1C, revision 131.
054217,000005:                                                                                                  ##              It is part of the source code for the Lunar Module's (LM)
054218,000006:                                                                                                  ##              Apollo Guidance Computer (AGC) for Apollo 13.
054219,000007:                                                                                                  ##              This file is intended to be a faithful transcription, except
054220,000008:                                                                                                  ##              that the code format has been changed to conform to the
054221,000009:                                                                                                  ##              requirements of the yaYUL assembler rather than the
054222,000010:                                                                                                  ##              original YUL assembler.
054223,000011:                                                                                                  ## Reference:   pp. 1286-1294
054224,000012:                                                                                                  ## Contact:     Ron Burkey <info@sandroid.org>.
054225,000013:                                                                                                  ## Website:     www.ibiblio.org/apollo
054226,000014:                                                                                                  ## Mod history: 06/05/03 RSB.   Began transcribing.
054227,000015:                                                                                                  ##              2011-05-07 JL   Removed workaround. Flagged SBANK= workaround 
054228,000016:                                                                                                  ##                              for future removal.
054229,000017:                                                                                                  ##              2017-01-06 RSB  Page numbers now agree with those on the
054230,000018:                                                                                                  ##                              original hardcopy, as opposed to the PDF page
054231,000019:                                                                                                  ##                              numbers in 1701.pdf.
054232,000020:                                                                                                  ##              2017-01-28 RSB  Back-ported some comment-text fixes from Luminary 69.
054233,000021:                                                                                                  ##              2017-02-27 RSB  Proofed comment text using octopus/ProoferComments.
054234,000022:                                                                                                  ##              2017-03-01 RSB  Fixed lingering comment-text typos.
054235,000023:                                                                                                  ##              2017-03-14 RSB  Comment-text fixes noted in proofing Luminary 116.
054236,000024:                                                                                                  ##              2017-03-16 RSB  Comment-text fixes identified in 5-way
054237,000025:                                                                                                  ##                              side-by-side diff of Luminary 69/99/116/131/210.
054238,000026: 

Page 1286

054240,000028:                                                                                                  #  SUBROUTINE TO UPDATE THE PROGRAM NUMBER DISPLAY ON THE DSKY.
054241,000029: 
054242,000030: 43,3751                                           COUNT*   $$/PHASE                              
054243,000031:    5311                                           BLOCK    02                                    
054244,000032:    4000                                           SETLOC   FFTAG1                                
054245,000033:    4000                                           BANK                                           
054246,000034: 
054247,000035:    5311           50002        NEWMODEX           INDEX    Q                                     #  UPDATE MODREG.  ENTRY FOR MODE IN FIXED.
054248,000036:    5312           30000                           CAF      0                                     
054249,000037:    5313           24002                           INCR     Q                                     
054250,000038: 
054251,000039:    5314           55010        NEWMODEA           TS       MODREG                                #  ENTRY FOR MODE IN A.
054252,000040:    5315           35320        MMDSPLAY           CAF      +3                                    #  DISPLAY MAJOR MODE.
054253,000041:    5316           22006        PREBJUMP           LXCH     BBANK                                 #  PUTS BBANK IN L
054254,000042:    5317           14640                           TCF      BANKJUMP                              #  PUTS Q INTO A
054255,000043:    5320           20213                           CADR     SETUPDSP                              
054256,000044: 
054257,000045:                                                                                                  #  RETURN TO CALLER +3 IF MODE = THAT AT CALLER +1.  OTHERWISE RETURN TO CALLER +2.
054258,000046: 
054259,000047:    5321           50002        CHECKMM            INDEX    Q                                     
054260,000048:    5322           40000                           CS       0                                     
054261,000049:    5323           61010                           AD       MODREG                                
054262,000050:    5324           00006                           EXTEND                                         
054263,000051:    5325           16744                           BZF      Q+2                                   
054264,000052:    5326           16742                           TCF      Q+1                                   #  NO MATCH
054265,000053: 
054266,000054:    5327     6745               TCQ                =        Q+2        +1                         
054267,000055: 
054268,000056: 14,3775                                           BANK     14                                    
054269,000057: 10,2000                                           SETLOC   PHASETAB                              
054270,000058: 10,2000                                           BANK                                           
054271,000059: 
054272,000060: 10,2213                                           COUNT*   $$/PHASE                              
054273,000061: 10,2213           00004        SETUPDSP           INHINT                                         
054274,000062: 10,2214           52071                           DXCH     RUPTREG1                              #  SAVE CALLER-S RETURN 2CADR
054275,000063: 10,2215           34355                           CAF      PRIO30                                #        EITHER A TASK OR JOB CAN COME TO
054276,000064: 10,2216           05072                           TC       NOVAC                                 #        NEWMODE X
054277,000065: 10,2217     1010                                  EBANK=   MODREG                                
054278,000066: 10,2217           03577 60102                     2CADR    DSPMMJOB                              
054279,000067: 
054280,000068: 10,2221           52071                           DXCH     RUPTREG1                              
054281,000069: 10,2222           00003                           RELINT                                         
054282,000070: 10,2223           52006                           DXCH     Z                                     #  RETURN
054283,000071: 
054284,000072: 10,2224  40,3577               DSPMMJOB           EQUALS   DSPMMJB                               
054285,000073: 
054286,000074:    5327                                           BLOCK    02                                    
054287,000075:    4000                                           SETLOC   FFTAG1                                
054288,000076:    4000                                           BANK                                           

Page 1287

054290,000078:                                                                                                  #  PHASCHNG IS THE MAIN WAY OF MAKING PHASE CHANGES FOR RESTARTS.  THERE ARE THREE FORMS OF PHASCHNG, KNOWN AS TYPE
054291,000079:                                                                                                  #  A, TYPE B, AND TYPE C.  THEY ARE ALL CALLED AS FOLLOWS, WHERE OCT XXXXX CONTAINS THE PHASE INFORMATION,
054292,000080:                                                                                                  #                TC      PHASCHNG
054293,000081:                                                                                                  #                OCT     XXXXX
054294,000082:                                                                                                  #  TYPE A IS CONCERNED WITH FIXED PHASE CHANGES, THAT IS, PHASE INFORMATION THAT IS STORED PERMANENTLY.  THESE
054295,000083:                                                                                                  #  OPTIONS ARE, WHERE G STANDS FOR A GROUP AND .X FOR THE PHASE,
054296,000084:                                                                                                  #        G.0             INACTIVE, WILL NOT PERMIT A GROUP G RESTART
054297,000085:                                                                                                  #        G.1             WILL CAUSE THE LAST DISPLAY TO BE REACTIVATED, USED MAINLY IN MANNED FLIGHTS
054298,000086:                                                                                                  #        G.EVEN          A DOUBLE TABLE RESTART, CAN CAUSE ANY COMBINATION OF TWO JOBS, TASKS, AND/OR
054299,000087:                                                                                                  #                        LONGCALL TO BE RESTARTED.
054300,000088:                                                                                                  #        G.ODD NOT .1    A SINGLE TABLE RESTART, CAN CAUSE EITHER A JOB, TASK, OR LONGCALL RESTART
054301,000089: 
054302,000090:                                                                                                  #  THIS INFORMATION IS PUT INTO THE OCTAL WORD AFTER TC PHASCHNG AS FOLLOWS
054303,000091:                                                                                                  #                  TL0 00P PPP PPP GGG                                     ,
054304,000092:                                                                                                  #  WHERE EACH LETTER OR NUMBER STANDS FOR A BIT.  THE G:S STAND FOR THE GROUP, OCTAL 1-7, THE P:S FOR THE PHASE,
054305,000093:                                                                                                  #  OCTAL 0 - 127.  0:S MUST BE 0.              IF ONE WISHES TO HAVE THE TBASE OF GROUP G TO BE SET AT THIS TIME,
054306,000094:                                                                                                  #  T IS SET TO 1, OTHERWISE IT IS SET TO 0.  SIMIARLY IF ONE WISHES TO SET LONGBASE, THEN L IS SET TO 1, OTHERWISE
054307,000095:                                                                                                  #  IT IS SET TO 0.  SOME EXAMPLES,
054308,000096:                                                                                                  #                TC      PHASCHNG        THIS WILL CAUSE GROUP 3 TO BE SET TO 0,
054309,000097:                                                                                                  #                OCT     00003           MAKING GROUP 3 INACTIVE
054310,000098: 
054311,000099:                                                                                                  #                TC      PHASCHNG        IF A RESTART OCCURS THIS WOULD CAUSE
054312,000100:                                                                                                  #                OCT     00012           GROUP 2 TO RESTART THE LAST DISPLAY
054313,000101: 
054314,000102:                                                                                                  #                TC      PHASCHNG        THIS SETS THE TBASE OF GROUP 4 AND IN
054315,000103:                                                                                                  #                OCT     40064           CASE OF A RESTART WOULD START UP THE TWO
054316,000104:                                                                                                  #                                        THINGS LOCATED IN THE DOUBLE 4.6 RESTART
054317,000105:                                                                                                  #                                        LOCATION
054318,000106: 
054319,000107:                                                                                                  #                TC      PHASCHNG        THIS SETS LONGBASE AND UPON A RESTART
054320,000108:                                                                                                  #                OCT     20135           CAUSES 5.13 TO BE RESTARTED (SINCE
054321,000109:                                                                                                  #                                        LONGBASE WAS SET THIS SINGLE ENTRY
054322,000110:                                                                                                  #                                        SHOULD BE A LONGCALL)
054323,000111: 
054324,000112:                                                                                                  #                TC      PHASCHNG        SINCE BOTH TBASE4 AND LONGBASE ARE SET,
054325,000113:                                                                                                  #                OCT     60124           4.12 SHOULD CONTAIN BOTH A TASK AND A
054326,000114:                                                                                                  #                                        LONGCALL TO BE RESTARTED
054327,000115: 
054328,000116:                                                                                                  #  TYPE C PHASCHNG CONTAINS THE VARIABLE TYPE OF PHASCHNG INFORMATION.  INSTEAD OF THE INFORMATION BEING IN A
054329,000117:                                                                                                  #  PERMANENT FORM, ONE STORES THE DESIRED RESTART INFORMATION IN A VARIABKE LOCATION.  THE BITS ARE AS FOLLOWS,
054330,000118:                                                                                                  #        TL0 1AD XXX CJW GGG
054331,000119:                                                                                                  #  WHERE EACH LETTER OR NUMBER STANDS FOR A BIT.  THE G:S STAND FOR THE GROUP, OCTAL 1 - 7.  IF THE RESTART IS TO
054332,000120:                                                                                                  #  BE BY WAITLIST, W IS SET TO 1, IF IT IS A JOB, J IS SET TO 1, IF IT IS A LONGCALL, C IS SET TO 1.  ONLY ONE OF
054333,000121:                                                                                                  #  THESE THREE BITS MAY BE SET.  X:S ARE IGNORED  1 MUST BE 1, AND 0 MUST BE 0.  AGAIN T STANDS FOR THE TBASE,

Page 1288

054335,000123:                                                                                                  #  AND L FOR LONGBASE.  THE BITS A AND D ARE CONCERNED WITH THE VARIABLE INFORMATION.  IF D IS SET TO 1, A PRIORITY
054336,000124:                                                                                                  #  OR DELTA TIME WILL BE READ FROM THE NEXT LOCATION AFTER THE OCTAL INFORMATION, IF THIS IS TO BE INDIRECT, THAT
054337,000125:                                                                                                  #  IS, THE NAME OF A LOCATION COMT+INING THE INFORMATION (DELTA TIME ONLY), THEN THIS IS GIVEN AS THE -GENADR OF
054338,000126:                                                                                                  #  THAT LOCATION WHICH CONTAINS THE DELTA TIME.  IF THE OLD PRIORITY OR DELTA TIME IS TO BE USED, THAT WHICH IS
054339,000127:                                                                                                  #  ALREADY IN THE VARIABLE STORAGE, THEN D IS SET TO 0.  NEXT THE A BIT IS USED.  IF IT IS SET TO 0, THE ADDRESS
054340,000128:                                                                                                  #  THAT WOULD BE RESTARTED DURING A RESTART IS THE NEXT LOCATION AFTER THE PHASE INFORMATION, THAT IS, EITHER
054341,000129:                                                                                                  #  (TC PHASCHNG) +2 OR +3, DEPENDING ON WHETHER D HAD BEEN SET OR NOT.  IF A IS SET TO 1, THEN THE ADDRESS THAT
054342,000130:                                                                                                  #  WOULD BE RESTARTED IS THE 2CADR THAT IS READ FROM THE NEXT TWO LOCATIONS.  EXAMPLES,
054343,000131:                                                                                                  #        AD      TC      PHASCHNG        THIS WOULD CAUSE LOCATION AD +3 TO BE
054344,000132:                                                                                                  #        AD+1    OCT     05023           RESTARTED BY GROUP THREE WITH A PRIORITY
054345,000133:                                                                                                  #        AD+2    OCT     23000           OF 23.  NOTE UPON RETURNING IT WOULD
054346,000134:                                                                                                  #        AD+3                            ALSO GO TO AD+3
054347,000135: 
054348,000136:                                                                                                  #        AD      TC      PHASCHNG        GROUP 1 WOULD CAUSE CAUSE CALLCALL TO 
054349,000137:                                                                                                  #        AD+1    OCT     27441           BE STARTED AS A LONGCALL FROM THE TIME
054350,000138:                                                                                                  #        AD+2    -GENADR DELTIME         STORED IN LONGBASE (LONGBASE WAS SET) BY
054351,000139:                                                                                                  #        AD+3    2CADR   CALLCALL        A DELTA TIME STORED IN DELTIME.  THE
054352,000140:                                                                                                  #        AD+4                            BBCON OF THE 2CADR SHOULD CONTAIN THE E
054353,000141:                                                                                                  #        AD+5                            BANK OF DELTIME.  PHASCHNG RETURNS TO
054354,000142:                                                                                                  #                                        LOCATION AD+5
054355,000143: 
054356,000144:                                                                                                  #  NOTE THAT IF A VARIABLE PRIORITY IS GIVEN FOR A JOB, THE JOB WILL BE RESTARTED AS A NOVAC IF THE PRIORITY IS
054357,000145:                                                                                                  #  NEGATIVE, AS A FINDVAC IF THE PRIORITY IS POSITIVE.
054358,000146: 
054359,000147:                                                                                                  #  TYPE B PHASCHNG IS A COMBINATION OF VARIABLE AND FIXED PHASE CHANGES.  IT WILL START UP A JOB AS INDICATED
054360,000148:                                                                                                  #  BELOW AND ALSO START UP ONE FIXED RESTART, THAT IS EITHER AN G.1 OR A G.ODD OR THE FIRST ENTRY OF G.EVEN
054361,000149:                                                                                                  #  DOUBLE ENTRY.  THE BIT INFORMATION IS AS FOLLOWS,
054362,000150:                                                                                                  #        TL1 DAP PPP PPP GGG
054363,000151:                                                                                                  #  WHERE EACH LETTER OR NUMBER STANDS FOR A BIT.  THE G:S STAND FOR THE GROUP, OCTAL 1 - 7. THE P:S FOR THE FIXED
054364,000152:                                                                                                  #  PHASE INFORMATION, OCTAL 0 - 127.  1 MUST BE 1.  AND AGAIN T STANDS FOR THE TBASE AND L FOR LONGBASE.  D THIS
054365,000153:                                                                                                  #  TIME STANDS ONLY FOR PRIORITY SINCE THIS WILL BE CONSIDERED A JOB, AND IT MUST BE GIVEN DIRECTLY IF GIVEN.
054366,000154:                                                                                                  #  AGAIN A STANDS FOR THE ADDRESS OF THE LOCATION TO BE RESTARTED, 1 IF THE 2CADR IS GIVEN, OR 0 IF IT IS TO BE
054367,000155:                                                                                                  #  THE NEXT LOCATION.  (THE RETURN LOCATION OF PHASCHNG) EXAMPLES,
054368,000156:                                                                                                  #        AD      TC      PHASCHNG        TBASE IS SET AND A RESTART CAUSE GROUP 3
054369,000157:                                                                                                  #        AD+1    OCT     56043           TO START THE JOB AJOBAJOB WITH PRIORITY
054370,000158:                                                                                                  #        AD+2    OCT     31000           31 AND THE FIRST ENTRY OF 3.4SPOT (WE CAN
054371,000159:                                                                                                  #        AD+3    2CADR   AJOBAJOB        ASSUME IT IS A TASK SINCE WE SET TBASE3)
054372,000160:                                                                                                  #        AD+4                            UPON RETURN FROM PHASCHNG CONTROL WOULD
054373,000161:                                                                                                  #        AD+5                            GO TO AD+5
054374,000162: 
054375,000163:                                                                                                  #        AD      TC      PHASCHNG        UPON A RESTART THE LAST DISPLAY WOULD BE
054376,000164:                                                                                                  #        AD+1    OCT     10015           RESTARTED AND A JOB WITH THE PREVIOUSLY
054377,000165:                                                                                                  #        AD+2                            STORED PRIORITY WOULD BE BEGUN AT AD+2
054378,000166:                                                                                                  #                                        BY MEANS OF GROUP 5

Page 1289

054380,000168:                                                                                                  #  THE NOVAC-FINDVAC CHOICE FOR JOBS HOLDS HERE ALSO - NEGATIVE PRIORITY CAUSES A NOVAC CALL, POSITIVE A FINDVAC.
054381,000169: 
054382,000170:                                                                                                  #  SUMMARY OF BITS
054383,000171:                                                                                                  #        TYPE A          TL0 00P PPP PPP GGG
054384,000172:                                                                                                  #        TYPE B          TL1 DAP PPP PPP GGG
054385,000173:                                                                                                  #        TYPE C          TL0 1AD XXX CJW GGG
054386,000174: 

Page 1290

054388,000176:                                                                                                  #  2PHSCHNG IS USED WHEN ONE WISHES TO START UP A GROUP OR CHANGE A GROUP WHILE UNDER THE CONTROL OF A DIFFERENT
054389,000177:                                                                                                  #  GROUP.  FOR EXAMPLE, CHANGE THE PHASE OF GROUP 3 WHILE THE PORTION OF THE PROGRAM IS UNDER GROUP 5.  ALL 2PHSCHNG
054390,000178:                                                                                                  #  CALLS ARE MADE IN THE FOLLOWING MANNER,
054391,000179:                                                                                                  #                TC      2PHSCHNG
054392,000180:                                                                                                  #                OCT     XXXXX
054393,000181:                                                                                                  #                OCT     YYYYY
054394,000182:                                                                                                  #  WHERE OCT XXXXX MUST BE OF TYPE A AND OCT YYYYY MAY BE OF EITHER TYPE A OR TYPE B OR TYPE C.  THERE IS ONE
054395,000183:                                                                                                  #  DIFFERENCE --- NOTE- IF LONGBASE IS TO BE SET THIS INFORMATION IS GIVEN IN THE OCT YYYYY INFORMATION, IT WILL
054396,000184:                                                                                                  #  BE DISREGARDED IF GIVEN WITH THE OCT XXXXX INFORMATION.  A COUPLE OF EXAMPLES MAY HELP,
054397,000185:                                                                                                  #        AD      TC      2PHSCHNG        SET TBASE3 AND IF A RESTART OCCURS START
054398,000186:                                                                                                  #        AD+1    OCT     40083           THE TWO ENTRIES IN 3.8 TABLE LOCATION
054399,000187:                                                                                                  #        AD+2    OCT     05025           THIS IS OF TYPE C, SET THE JOB TO BE
054400,000188:                                                                                                  #        AD+3    OCT     18000           TO BE LOCATION AD+4, WITH A PRIORITY 18,
054401,000189:                                                                                                  #        AD+4                            FOR GROUP 5 PHASE INFORMATION
054402,000190: 

[WORKAROUND] RSB 2004

054404,000192:    5327  40,2000                                  SBANK=   PINSUPER                              
054405,000193: 
054406,000194:    5327                                           COUNT*   $$/PHASE                              
054407,000195:    5327           00004        2PHSCHNG           INHINT                                         #  THE ENTRY FOR A DOUBLE PHASE CHANGE
054408,000196:    5330           50002                           NDX      Q                                     
054409,000197:    5331           30000                           CA       0                                     
054410,000198:    5332           24002                           INCR     Q                                     
054411,000199:    5333           54072                           TS       TEMPP2                                
054412,000200: 
054413,000201:    5334           74757                           MASK     OCT7                                  
054414,000202:    5335           60000                           DOUBLE                                         
054415,000203:    5336           54071                           TS       TEMPG2                                
054416,000204: 
054417,000205:    5337           30072                           CA       TEMPP2                                
054418,000206:    5340           75030                           MASK     OCT17770                              #  NEED ONLY 1770, BUT WHY GET A NEW CONST.
054419,000207:    5341           00006                           EXTEND                                         
054420,000208:    5342           74740                           MP       BIT12                                 
054421,000209:    5343           56072                           XCH      TEMPP2                                
054422,000210: 
054423,000211:    5344           74735                           MASK     BIT15                                 
054424,000212:    5345           54066                           TS       TEMPSW2                               #  INDICATES WHETHER TO SET TBASE OR NOT
054425,000213: 
054426,000214:    5346           50002                           INDEX    Q                                     
054427,000215:    5347           30000                           CA       0                                     
054428,000216:    5350           24002                           INCR     Q                                     
054429,000217:    5351           54065                           TS       TEMPSW                                
054430,000218: 
054431,000219:    5352           15363                           TCF      PHASJUMP                              
054432,000220: 
054433,000221:    5353           00004        PHASCHNG           INHINT                                         #  NORMAL PHASCHNG ENTRY POINT.
054434,000222:    5354           50002                           INDEX    Q                                     
054435,000223:    5355           30000                           CA       0                                     
054436,000224:    5356           24002                           INCR     Q                                     
054437,000225:    5357           00004        PHSCHNGA           INHINT                                         #  FIRST OCTAL PARAMETER IN A.

Page 1291

054439,000227:    5360           54065                           TS       TEMPSW                                
054440,000228:    5361           34753                           CA       ONE                                   
054441,000229:    5362           54066                           TS       TEMPSW2                               
054442,000230:    5363           00006        PHASJUMP           EXTEND                                         
054443,000231:    5364           35367                           DCA      ADRPCHN2                              #  OFF TO SWITCHED BANK
054444,000232:    5365           52006                           DTCB                                           
054445,000233: 
054446,000234:    5366  E3,1400                                  EBANK=   LST1                                  
054447,000235:    5366           02224 20103  ADRPCHN2           2CADR    PHSCHNG2                              
054448,000236: 
054449,000237:    5370           22073        ONEORTWO           LXCH     TEMPBBCN                              
054450,000238:    5371           22006                           LXCH     BBANK                                 
054451,000239:    5372           22073                           LXCH     TEMPBBCN                              
054452,000240: 
054453,000241:    5373           75024                           MASK     OCT14000                              #  SEE WHAT KIND OF PHASE CHANGE IT IS
054454,000242:    5374           10000                           CCS      A                                     
054455,000243:    5375           17753                           TCF      CHECKB                                #  IT IS OF TYPE :B:
054456,000244: 
054457,000245:    5376           30062                           CA       TEMPP                                 
054458,000246:    5377           74745                           MASK     BIT7                                  
054459,000247:    5400           10000                           CCS      A                                     #  SHALL WE USE THE OLD PRIORITY
054460,000248:    5401           15423                           TCF      GETPRIO                               #  NO GET A NEW PRIORITY (OR DELTA T)
054461,000249: 
054462,000250:    5402           50061        OLDPRIO            NDX      TEMPG                                 #  USE THE OLD PRIORITY (OR DELTA T)
054463,000251:    5403           31051                           CA       PHSPRDT1   -2                         
054464,000252:    5404           54070                           TS       TEMPPR                                
054465,000253: 
054466,000254:    5405           30062        CON1               CA       TEMPP                                 #  SEE IF A 2CADR IS GIVEN
054467,000255:    5406           74744                           MASK     BIT8                                  
054468,000256:    5407           10000                           CCS      A                                     
054469,000257:    5410           15427                           TCF      GETNEWNM                              
054470,000258: 
054471,000259:    5411           30002                           CA       Q                                     
054472,000260:    5412           54063                           TS       TEMPNM                                
054473,000261:    5413           30006                           CA       BB                                    
054474,000262:    5414           00006                           EXTEND                                         #  PICK UP USERS SUPERBANK
054475,000263:    5415           04007                           ROR      SUPERBNK                              
054476,000264:    5416           54064                           TS       TEMPBB                                
054477,000265: 
054478,000266:    5417           35422        TOCON2             CA       CON2ADR                               #  BACK TO SWITCHED BANK
054479,000267:    5420           22073                           LXCH     TEMPBBCN                              
054480,000268:    5421           52006                           DTCB                                           
054481,000269: 
054482,000270:    5422           02312        CON2ADR            GENADR   CON2                                  
054483,000271: 
054484,000272:    5423           50002        GETPRIO            NDX      Q                                     #  DON:T CARE IF DIRECT OR INDIRECT
054485,000273:    5424           30000                           CA       0                                     #  LEAVE THAT DECISION TO RESTARTS
054486,000274:    5425           24002                           INCR     Q                                     #  OBTAIN RETURN ADDRESS

Page 1292

054488,000276:    5426           15404                           TCF      CON1       -1                         
054489,000277: 
054490,000278:    5427           00006        GETNEWNM           EXTEND                                         
054491,000279:    5430           50002                           INDEX    Q                                     
054492,000280:    5431           30001                           DCA      0                                     
054493,000281:    5432           52064                           DXCH     TEMPNM                                
054494,000282:    5433           34752                           CA       TWO                                   
054495,000283:    5434           26002                           ADS      Q                                     #  OBTAIN RETURN ADDRESS
054496,000284: 
054497,000285:    5435           15417                           TCF      TOCON2                                
054498,000286: 
054499,000287:    5436     5024               OCT14000           EQUALS   PRIO14                                
054500,000288:    5436     0061               TEMPG              EQUALS   ITEMP1                                
054501,000289:    5436     0062               TEMPP              EQUALS   ITEMP2                                
054502,000290:    5436     0063               TEMPNM             EQUALS   ITEMP3                                
054503,000291:    5436     0064               TEMPBB             EQUALS   ITEMP4                                
054504,000292:    5436     0065               TEMPSW             EQUALS   ITEMP5                                
054505,000293:    5436     0066               TEMPSW2            EQUALS   ITEMP6                                
054506,000294:    5436     0070               TEMPPR             EQUALS   RUPTREG1                              
054507,000295:    5436     0071               TEMPG2             EQUALS   RUPTREG2                              
054508,000296:    5436     0072               TEMPP2             EQUALS   RUPTREG3                              
054509,000297: 
054510,000298:    5436     0073               TEMPBBCN           EQUALS   RUPTREG4                              
054511,000299:    5436  0000006               BB                 EQUALS   BBANK                                 
054512,000300: 
054513,000301: 14,3775                                           BANK     14                                    
054514,000302: 10,2000                                           SETLOC   PHASETAB                              
054515,000303: 10,2000                                           BANK                                           
054516,000304: 
054517,000305: 10,2224  E3,1436                                  EBANK=   PHSNAME1                              
054518,000306: 10,2224                                           COUNT*   $$/PHASE                              
054519,000307: 10,2224           22073        PHSCHNG2           LXCH     TEMPBBCN                              
054520,000308: 10,2225           30065                           CA       TEMPSW                                
054521,000309: 10,2226           74757                           MASK     OCT7                                  
054522,000310: 10,2227           60000                           DOUBLE                                         
054523,000311: 10,2230           54061                           TS       TEMPG                                 
054524,000312: 
054525,000313: 10,2231           30065                           CA       TEMPSW                                
054526,000314: 10,2232           75030                           MASK     OCT17770                              
054527,000315: 10,2233           00006                           EXTEND                                         
054528,000316: 10,2234           74740                           MP       BIT12                                 
054529,000317: 10,2235           54062                           TS       TEMPP                                 
054530,000318: 
054531,000319: 10,2236           30065                           CA       TEMPSW                                
054532,000320: 10,2237           74101                           MASK     OCT60000                              
054533,000321: 10,2240           56065                           XCH      TEMPSW                                
054534,000322: 10,2241           75024                           MASK     OCT14000                              
054535,000323: 10,2242           10000                           CCS      A                                     

Page 1293

054537,000325: 10,2243           15370                           TCF      ONEORTWO                              
054538,000326: 
054539,000327: 10,2244           30062                           CA       TEMPP                                 #  START STORING THE PHASE INFORMATION
054540,000328: 10,2245           50061                           NDX      TEMPG                                 
054541,000329: 10,2246           54750                           TS       PHASE1     -2                         
054542,000330: 
054543,000331: 10,2247           10066        BELOW1             CCS      TEMPSW2                               #  IS IT A PHASCHNG OR A 2PHSCHNG
054544,000332: 10,2250           12264                           TCF      BELOW2                                #  IT:S A PHASCHNG
054545,000333: 
054546,000334: 10,2251           12252                           TCF      +1                                    #  IT:S A 2PHSCHNG
054547,000335: 10,2252           40072                           CS       TEMPP2                                
054548,000336: 10,2253           22072                           LXCH     TEMPP2                                
054549,000337: 10,2254           50071                           NDX      TEMPG2                                
054550,000338: 10,2255           52750                           DXCH     -PHASE1    -2                         
054551,000339: 
054552,000340: 10,2256           10066                           CCS      TEMPSW2                               
054553,000341: 10,2257           12260                           NOOP                                           #  CAN:T GET HERE
054554,000342: 10,2260           12264                           TCF      BELOW2                                
054555,000343: 
054556,000344: 10,2261           40025                           CS       TIME1                                 
054557,000345: 10,2262           50071                           NDX      TEMPG2                                
054558,000346: 10,2263           55050                           TS       TBASE1     -2                         
054559,000347: 
054560,000348: 10,2264           10065        BELOW2             CCS      TEMPSW                                #  SEE IF WE SHOULD SET TBASE OR LONGBASE
054561,000349: 10,2265           12300                           TCF      BELOW3                                #  SET LONGBASE ONLY
054562,000350: 10,2266           12303                           TCF      BELOW4                                #  SET NEITHER
054563,000351: 
054564,000352: 10,2267           40025                           CS       TIME1                                 #  SET TBASE TO BEGIN WITH
054565,000353: 10,2270           50061                           NDX      TEMPG                                 
054566,000354: 10,2271           55050                           TS       TBASE1     -2                         
054567,000355: 
054568,000356: 10,2272           30065                           CA       TEMPSW                                #  SHALL WE NOW SET LONGBASE
054569,000357: 10,2273           62276                           AD       BIT14COM                              
054570,000358: 10,2274           10000                           CCS      A                                     
054571,000359: 10,2275           12276                           NOOP                                           #  ***** CANT GET HERE *****
054572,000360: 10,2276           17777        BIT14COM           OCT      17777                                 #  ***** CANT GET HERE *****
054573,000361: 10,2277           12303                           TCF      BELOW4                                #  NO WE NEED ONLY SET TBASE
054574,000362: 
054575,000363: 10,2300           00006        BELOW3             EXTEND                                         #  SET LONGBASE
054576,000364: 10,2301           30025                           DCA      TIME2                                 
054577,000365: 10,2302           53151                           DXCH     LONGBASE                              
054578,000366: 
054579,000367: 10,2303           40062        BELOW4             CS       TEMPP                                 #  AND STORE THE FINAL PART OF THE PHASE
054580,000368: 10,2304           50061                           NDX      TEMPG                                 
054581,000369: 10,2305           54747                           TS       -PHASE1    -2                         
054582,000370: 
054583,000371: 10,2306           30002                           CA       Q                                     
054584,000372: 10,2307           22073                           LXCH     TEMPBBCN                              
054585,000373: 10,2310           00003                           RELINT                                         
054586,000374: 10,2311           52006                           DTCB                                           

Page 1294

054588,000376: 10,2312           22073        CON2               LXCH     TEMPBBCN                              
054589,000377: 
054590,000378: 10,2313           30062                           CA       TEMPP                                 
054591,000379: 10,2314           50061                           NDX      TEMPG                                 
054592,000380: 10,2315           54750                           TS       PHASE1     -2                         
054593,000381: 
054594,000382: 10,2316           30070                           CA       TEMPPR                                
054595,000383: 10,2317           50061                           NDX      TEMPG                                 
054596,000384: 10,2320           55051                           TS       PHSPRDT1   -2                         
054597,000385: 
054598,000386: 10,2321           00006                           EXTEND                                         
054599,000387: 10,2322           30064                           DCA      TEMPNM                                
054600,000388: 10,2323           50061                           NDX      TEMPG                                 
054601,000389: 10,2324           53435                           DXCH     PHSNAME1   -2                         
054602,000390: 
054603,000391: 10,2325           12247                           TCF      BELOW1                                
054604,000392: 
054605,000393:    7753                                           BLOCK    03                                    
054606,000394:    6000                                           SETLOC   FFTAG6                                
054607,000395:    6000                                           BANK                                           
054608,000396: 
054609,000397:    7753                                           COUNT*   $$/PHASE                              
054610,000398:    7753           74740        CHECKB             MASK     BIT12                                 #  SINCE THIS IS OF TYPE B, THIS BIT SHOULD
054611,000399:    7754           10000                           CCS      A                                     #  BE HERE IF WE ARE TO GET A NEW PRIORITY
054612,000400:    7755           15423                           TCF      GETPRIO                               #  IT IS, SO GET NEW PRIORITY
054613,000401: 
054614,000402:    7756           15402                           TCF      OLDPRIO                               #  IT ISN:T, USE THE OLD PRIORITY
054615,000403: 
054616,000404: 

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