Update comments in Luminary099/AGC_BLOCK_TWO_SELF_CHECK.agc (#686)
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@ -21,7 +21,7 @@
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#
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# Notations on the hardcopy document read, in part:
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#
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# Assemble revision 001 of AGC program LMY99 by NASA 2021112-61
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# Assemble revision 001 of AGC program LMY99 by NASA 2021112-061
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# 16:27 JULY 14, 1969
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# Page 1284
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@ -30,18 +30,16 @@
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# MOD NO -- 1 ASSEMBLY SUBROUTINE UTILITYM REV 25
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# MOD BY -- GAUNTT
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#
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#
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# FUNCTIONAL DESCRIPTION
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#
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# PROGRAM HAS TWO MAIN PARTS. THE FIRST IS SELF-CHECK WHICH RUNS AS A ZERO PRIORITY JOB WITH NO CORE SET, AS
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# PART OF THE BACK-UP IDLE LOOP. THE SECOND IS SHOW-BANKSUM WHICH RUNS AS A REGULAR EXECUTIVE JOB WITH ITS OWN
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# STARTING VERB.
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#
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# THE PURPOSE OF SELF-CHECK IS TO CHECK OUT VARIOUS PARTS OF THE COMPUTER AS OUTLINED BELOW IN THE OPTIONS.
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#
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# THE PURPOSE OF SHOW-BANKSUM IS TO DISPLAY THE SUM OF EACH BANK, ONE AT A TIME.
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#
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# IN ALL THERE ARE 7 POSSIBLE OPTIONS IN THIS BLOCK II VERSION OF SELF-CHECK. MORE DETAIL DESCRIPTION MAY BE
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# FOUND IN E-2065 BLOCK II AGC SELF-CHECK AND SHOW BANKSUM BY EDWIN D. SMALLY DECEMBER 1966, AND ADDENDA 2 AND 3.
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#
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# THE DIFFERENT OPTIONS ARE CONTROLLED BY PUTTING DIFFERENT NUMBERS IN THE SMODE REGISTER (NOUN 27). BELOW IS
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# A DESCRIPTION OF WHAT PARTS OF THE COMPUTER THAT ARE CHECKED BY THE OPTIONS, AND THE CORRESPONDING NUMBER, IN
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# OCTAL, TO LOAD INTO SMODE.
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@ -51,25 +49,30 @@
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# -0 SAME AS +-10 UNTIL AN ERROR IS DETECTED.
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# +0 NO CHECK, PUTS COMPUTER INTO THE BACKUP IDLE LOOP.
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#
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#
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# WARNINGS
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#
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# USE OF E MEMORY RESERVED FOR SELF-CHECK (EVEN IN IDLE LOOP) AS TEMP STORAGE BY OTHER PROGRAMS IS DANGEROUS.
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# SMODE SET GREATER THAN OCT 10 PUTS COMPUTER INTO BACKUP IDLE LOOP.
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#
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#
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# CALLING SEQUENCE
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#
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# TO CALL SELF-CHECK KEY IN
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# V 21 N 27 E OPTION NUMBER E
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# TO CALL SHOW-BANKSUM KEY IN
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# V 91 E DISPLAYS FIRST BANK
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# V 33 E PROCEED, DISPLAYS NEXT BANK
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#
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#
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# EXIT MODES, NORMAL AND ALARM
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# SELF-CHECK NORMALLY CONTINUES INDEFINITELY UNLESS THERE IS AN ERROR DETECTED. IF SO + OPTION NUMBERS PUT
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# COMPUTER INTO BACKUP IDLE LOOP, - OPTIONS NUMBERS RESTART THE OPTION.
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# COMPUTER INTO BACKUP IDLE LOOP, - OPTION NUMBERS RESTART THE OPTION.
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#
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# THE -0 OPTION PROCEEDS FROM THE LINE FOLLOWING THE LINE WHERE THE ERROR WAS DETECTED.
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#
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# SHOW-BANKSUM PROCEEDS UNTIL A TERMINATE IS KEYED IN (V 34 E). THE COMPUTER IS PUT INTO THE BACKUP IDLE LOOP.
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#
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#
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# OUTPUT
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# Page 1285
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# SELF-CHECK UPON DETECTING AN ERROR LOADS THE SELF-CHECK ALARM CONSTANT (01102) INTO THE FAILREG SET AND
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@ -77,19 +80,23 @@
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# INFORMATION HE MAY KEY IN V 05 N 08 E, THE DSKY DISPLAY IN R1 WILL BE ADDRESS+1 OF WHERE THE ERROR WAS DETECTED,
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# IN R2 THE BBCON OF SELF-CHECK, AND IN R3 THE TOTAL NUMBER OF ERRORS DETECTED BY SELF-CHECK SINCE THE LAST MAN
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# INITIATED FRESH START (SLAP1).
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#
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# SHOW-BANKSUM STARTING WITH BANK 0 DISPLAYS IN R1 THE BANK SUM (A +-NUMBER EQUAL TO THE BANK NUMBER), IN R2
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# THE BANK NUMBER, AND IN R3 THE BUGGER WORD.
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#
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#
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# ERASABLE INITIALIZATION REQUIRED
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#
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# ACCOMPLISHED BY FRESH START
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# SMODE SET TO +0
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#
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#
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# DEBRIS
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#
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# ALL EXITS FROM THE CHECK OF ERASABLE (ERASCHK) RESTORE ORIGINAL CONTENTS TO REGISTERS UNDER CHECK.
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# EXCEPTION IS A RESTART. RESTART THAT OCCURS DURING ERASCHK RESTORES ERASABLE, UNLESS THERE IS EVIDENCE TO DOUBT
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# E MEMORY, IN WHICH CASE PROGRAM THEN DOES A FRESH START (DOFSTART).
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BANK 25
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SETLOC SELFCHEC
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BANK
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@ -201,7 +208,7 @@ BNKOPTN TC SIDLOOP # ILLEGAL OPTION. GO TO IDLE LOOP.
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TC SOPTION1
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SOPTION1 TC SKEEP1 # WAS TC+TCF
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SOPTION2 TC SKEEP1 # WAS IN:OUT1
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SOPTION3 TC SKEEP1
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SOPTION3 TC SKEEP1 # WAS COUNTCHK
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SOPTION4 TC ERASCHK
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SOPTION5 TC ROPECHK
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SOPTION6 TC SKEEP1
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@ -218,13 +225,11 @@ SELFCHK TC SMODECHK # ** CHARLEY, COME IN HERE
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# SKEEP7 HOLDS LOWEST OF TWO ADDRESSES BEING CHECKED.
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# SKEEP6 HOLDS B(X+1).
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# SKEEP5 HOLDS B(X).
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# SKEEP4 HOLDS C(EBANK) DURING ERASLOOP AND CHECKNJ
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# SKEEP4 HOLDS C(EBANK) DURING ERASLOOP AND CHECKNJ.
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# SKEEP3 HOLDS LAST ADDRESS BEING CHECKED (HIGHEST ADDRESS).
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# Page 1288
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# SKEEP2 CONTROLS CHECKING OF NON-SWITCHABLE ERASABLE MEMORY WITH BANK NUMBERS IN EB.
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#
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# ERASCHK TAKES APPROXIMATELY 7 SECONDS.
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# ERASCHK TAKES APPROXMATELY 7 SECONDS
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ERASCHK CA S+1
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TS SKEEP2
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0EBANK CA S+ZERO
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@ -317,10 +322,8 @@ ELOOPFIN RELINT
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TC E134567B # GO TO EBANKS 1,3,4,5,6, AND 7
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CA ERASCON6 # END OF ERASCHK
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TS EBANK
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# CNTRCHK PERFORMS A CS OF ALL REGISTERS FROM OCT. 60 THROUGH OCT. 10.
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# INCLUDED ARE ALL COUNTERS, T6-1, CYCLE AND SHIFT, AND ALL RUPT REGISTERS
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CNTRCHK CA CNTRCON # 00050
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CNTRLOOP TS SKEEP2
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AD SBIT4 # +10 OCTAL
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@ -331,7 +334,6 @@ CNTRLOOP TS SKEEP2
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TC CNTRLOOP
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# CYCLSHFT CHECKS THE CYCLE AND SHIFT REGISTERS
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CYCLSHFT CA CONC+S1 # 25252
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TS CYR # C(CYR) = 12525
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TS CYL # C(CYL) = 52524
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@ -362,10 +364,10 @@ CYCLSHFT CA CONC+S1 # 25252
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# SKEEP4 HOLDS BANK NUMBER AND SUPER BANK NUMBER
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# SKEEP5 COUNTS 2 SUCCESSIVE TC SELF WORDS
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# SKEEP6 CONTROLS ROPECHK OR SHOWSUM OPTION
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# SKEEP7 CONTROLS WHEN ROUTINE IS IN COMMON FIXED OR FIXED FIXED BANKS
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# SKEEP7 CONTROLS WHEN ROUNTINE IS IN COMMON FIXED OR FIXED FIXED BANKS
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ROPECHK CA S-ZERO # *
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TS SKEEP6 # * -0 FOR ROPECHK
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TS SKEEP6 # * -0 FOR ROPECHK.
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STSHOSUM CA S+ZERO # * SHOULD BE ROPECHK
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TS SKEEP4 # BANK NUMBER
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