232 lines
4.4 KiB
ArmAsm
232 lines
4.4 KiB
ArmAsm
# Copyright: Public domain.
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# Filename: ALARM_AND_ABORT.agc
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# Purpose: Part of the source code for Comanche, build 055. It
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# is part of the source code for the Command Module's
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# (CM) Apollo Guidance Computer (AGC), Apollo 11.
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# Assembler: yaYUL
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# Reference: pp. 1493-1496
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# Contact: Ron Burkey <info@sandroid.org>
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# Website: http://www.ibiblio.org/apollo.
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# Mod history: 2009-05-07 RSB Adapted from Colossus249 file of the same
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# name, and page images. Corrected various
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# typos in the transcription of program
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# comments, and these should be back-ported
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# to Colossus249.
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#
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# The contents of the "Comanche055" files, in general, are transcribed
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# from scanned documents.
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#
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# Assemble revision 055 of AGC program Comanche by NASA
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# 2021113-051. April 1, 1969.
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#
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# This AGC program shall also be referred to as Colossus 2A
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#
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# Prepared by
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# Massachusetts Institute of Technology
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# 75 Cambridge Parkway
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# Cambridge, Massachusetts
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#
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# under NASA contract NAS 9-4065.
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#
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# Refer directly to the online document mentioned above for further
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# information. Please report any errors to info@sandroid.org.
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# Page 1483
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# THE FOLLOWING SUBROUTINE MAY BE CALLED TO DISPLAY A NON-ABORTIVE ALARM CONDITION. IT MAY BE CALLED
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# EITHER IN INTERRUPT OR UNDER EXECUTIVE CONTROL.
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#
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# THE CALLING SEQUENCE IS AS FOLLOWS:
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# TC ALARM
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# OCT NNNNN
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# # (RETURNS HERE)
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BLOCK 02
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SETLOC FFTAG7
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BANK
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EBANK= FAILREG
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COUNT 02/ALARM
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# ALARM TURNS ON THE PROGRAM ALARM LIGHT, BUT DOES NOT DISPLAY.
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ALARM INHINT
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CA Q
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ALARM2 TS ALMCADR
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INDEX Q
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CA 0
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BORTENT TS L
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PRIOENT CA BBANK
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+1 EXTEND
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ROR SUPERBNK # ADD SUPER BITS.
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TS ALMCADR +1
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LARMENT CA Q # STORE RETURN FOR ALARM
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TS ITEMP1
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CA LOC
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TS LOCALARM
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CA BANKSET
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TS BANKALRM
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CHKFAIL1 CCS FAILREG # IS ANYTHING IN FAILREG
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TCF CHKFAIL2 # YES TRY NEXT REG
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LXCH FAILREG
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TCF PROGLARM # TURN ALARM LIGHT ON FOR FIRST ALARM
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CHKFAIL2 CCS FAILREG +1
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TCF FAIL3
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LXCH FAILREG +1
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TCF MULTEXIT
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FAIL3 CA FAILREG +2
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# Page 1494
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MASK POSMAX
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CCS A
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TCF MULTFAIL
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LXCH FAILREG +2
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TCF MULTEXIT
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PROGLARM CS DSPTAB +11D
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MASK OCT40400
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ADS DSPTAB +11D
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MULTEXIT XCH ITEMP1 # OBTAIN RETURN ADDRESS IN A
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RELINT
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INDEX A
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TC 1
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MULTFAIL CA L
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AD BIT15
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TS FAILREG +2
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TCF MULTEXIT
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# PRIOLARM DISPLAYS V05N09 VIA PRIODSPR WITH 3 RETURNS TO THE USER FROM THE ASTRONAUT AT CALL LOC +1,+2,+3 AND
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# AN IMMEDIATE RETURN TO THE USER AT CALL LOC +4. EXAMPLE FOLLOWS,
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# CAF OCTXX # ALARM CODE
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# TC BANKCALL
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# CADR PRIOLARM
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# ... ...
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# ... ...
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# ... ... # ASTRONAUT RETURN
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# TC PHASCHNG # IMMEDIATE RETURN TO USER. RESTART
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# OCT X.1 # PHASE CHANGE FOR PRIO DISPLAY
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BANK 10
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SETLOC DISPLAYS
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BANK
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COUNT 10/DSPLA
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PRIOLARM INHINT # * * * KEEP IN DISPLAY ROUTINE'S BANK
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TS L # SAVE ALARM CODE
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CA BUF2 # 2 CADR OF PRIOLARM USER
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TS ALMCADR
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CA BUF2 +1
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TC PRIOENT +1 # * LEAVE L ALONE
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-2SEC DEC -200 # *** DON'T MOVE
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CAF V05N09
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TCF PRIODSPR
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# Page 1495
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BLOCK 02
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SETLOC FFTAG13
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BANK
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COUNT 02/ALARM
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BAILOUT INHINT
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CA Q
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TS ALMCADR
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TC BANKCALL
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CADR VAC5STOR
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INDEX ALMCADR
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CAF 0
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TC BORTENT
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OCT40400 OCT 40400
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INHINT
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WHIMPER CA TWO
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AD Z
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TS BRUPT
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RESUME
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TC POSTJUMP # RESUME SENDS CONTROL HERE
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CADR ENEMA
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SETLOC FFTAG7
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BANK
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P00DOO INHINT
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CA Q
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TS ALMCADR
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TC BANKCALL
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CADR VAC5STOR # STORE ERASABLES FOR DEBUGGING PURPOSES.
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INDEX ALMCADR
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CAF 0
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ABORT2 TC BORTENT
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OCT77770 OCT 77770 # DON'T MOVE
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CA V37FLBIT # IS AVERAGE G ON
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MASK FLAGWRD7
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CCS A
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TC WHIMPER -1 # YES. DON'T DO POODOO. DO BAILOUT.
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TC DOWNFLAG
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ADRES STATEFLG
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TC DOWNFLAG
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# Page 1496
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ADRES REINTFLG
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TC DOWNFLAG
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ADRES NODOFLAG
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TC BANKCALL
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CADR MR.KLEAN
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TC WHIMPER
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CCSHOLE INHINT
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CA Q
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TS ALMCADR
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TC BANKCALL
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CADR VAC5STOR
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CA OCT1103
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TC ABORT2
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OCT1103 OCT 1103
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CURTAINS INHINT
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CA Q
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TC ALARM2
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OCT217 OCT 00217
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TC ALMCADR # RETURN TO USER
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DOALARM EQUALS ENDOFJOB
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# CALLING SEQUENCE FOR VARALARM
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# CAF (ALARM)
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# TC VARALARM
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# Page 1486
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# VARALARM TURNS ON PROGRAM ALARM LIGHT BUT DOES NOT DISPLAY
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VARALARM INHINT
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TS L # SAVE USER'S ALARM CODE
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CA Q # SAVE USER'S Q
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TS ALMCADR
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TC PRIOENT
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OCT14 OCT 14 # DON'T MOVE
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TC ALMCADR # RETURN TO USER
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ABORT EQUALS BAILOUT # *** TEMPORARY UNTIL ABORT CALLS OUT
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