Source Code
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These source-code files were obtained by digitally photographing the
Colossus 237 program listing from the private collection of original
AGC developer Fred Martin, and then modifying pre-existing Colossus 249
(Apollo 9) source files to incorporate changes. Note that the page images
presented online are of reduced quality, and that additional images
are available. Report any conversion errors or legibility
problems in page images to info@sandroid.org.
Notations on the program listing read, in part:GAP: ASSEMBLE REVISION 237 OF AGC PROGRAM COLOSSUS BY NASA 2021111-031 1:17 AUG. 24, 1968 |
061515,000002: # Copyright: Public domain.
061516,000003: # Filename: ALARM_AND_ABORT.agc
061517,000004: # Purpose: Part of the source code for Colossus build 237.
061518,000005: # This is for the Command Module's (CM) Apollo Guidance
061519,000006: # Computer (AGC), we believe for Apollo 8.
061520,000007: # Assembler: yaYUL
061521,000008: # Contact: Onno Hommes <ohommes@alumni.cmu.edu>
061522,000009: # Website: www.ibiblio.org/apollo/index.html
061523,000010: # Page scans: www.ibiblio.org/apollo/ScansForConversion/Colossus237/
061524,000011: # Mod history: 2010-05-30 OH Adapted from corresponding Colossus 249 file.
061525,000012: # 2010-12-04 JL Remove Colossus 249 header comments. Change to double-has page numbers.
061526,000013: # 2011-02-07 JL Minor fixes.
061527,000014:
061528,000015: # # Page 1457
061529,000016: # THE FOLLOWING SUBROUTINE MAY BE CALLED TO DISPLAY A NON-ABORTIVE ALARM CONDITION. IT MAY BE CALLED
061530,000017: # EITHER IN INTERRUPT OR UNDER EXECUTIVE CONTROL.
061531,000018:
061532,000019: # CALLING SEQUENCE IS AS FOLLOWS:
061533,000020:
061534,000021: # TC ALARM
061535,000022: # OCT AAANN ALARM NO. NN IN GENERAL AREA AAA.
061536,000023: # (RETURNS HERE)
061537,000024:
061538,000025: 5537 BLOCK 02
061539,000026: 4000 SETLOC FFTAG7
061540,000027: 4000 BANK
061541,000028:
061542,000029: 5537 0375 EBANK= FAILREG
061543,000030:
061544,000031: 5537 COUNT 02/ALARM
061545,000032:
061546,000033: # ALARM TURNS ON THE PROGRAM ALARM LIGHT, BUT DOES NOT DISPLAY.
061547,000034:
061548,000035: 5537 00004 ALARM INHINT
061549,000036:
061550,000037: 5540 30002 CA Q
061551,000038: 5541 55363 ALARM2 TS ALMCADR
061552,000039: 5542 50002 INDEX Q
061553,000040: 5543 30000 CA 0
061554,000041: 5544 54001 BORTENT TS L
061555,000042:
061556,000043: 5545 30006 PRIOENT CA BBANK
061557,000044: 5546 00006 +1 EXTEND
061558,000045: 5547 04007 ROR SUPERBNK # ADD SUPER BITS.
061559,000046: 5550 55364 TS ALMCADR +1
061560,000047:
061561,000048: 5551 30002 LARMENT CA Q # STORE RETURN FOR ALARM
061562,000049: 5552 54061 TS ITEMP1
061563,000050:
061564,000051: 5553 10375 CHKFAIL1 CCS FAILREG # IS ANYTHING IN FAILREG
061565,000052: 5554 15557 TCF CHKFAIL2 # YES TRY NEXT REG
061566,000053: 5555 22375 LXCH FAILREG
061567,000054: 5556 15571 TCF PROGLARM # TURN ALARM LIGHT ON FOR FIRST ALARM
061568,000055:
061569,000056: 5557 10376 CHKFAIL2 CCS FAILREG +1
061570,000057: 5560 15563 TCF FAIL3
061571,000058: 5561 22376 LXCH FAILREG +1
061572,000059: 5562 15574 TCF MULTEXIT
061573,000060:
061574,000061: 5563 30377 FAIL3 CA FAILREG +2
061575,000062: 5564 74672 MASK POSMAX
061576,000063: 5565 10000 CCS A
061577,000064: 5566 15600 TCF MULTFAIL
061578,000065: 5567 22377 LXCH FAILREG +2
061579,000066: # # Page 1458
061580,000067: 5570 15574 TCF MULTEXIT
061581,000068:
061582,000069: 5571 41036 PROGLARM CS DSPTAB +11D
061583,000070: 5572 75612 MASK OCT40400
061584,000071: 5573 27036 ADS DSPTAB +11D
061585,000072:
061586,000073: 5574 56061 MULTEXIT XCH ITEMP1 # OBTAIN RETURN ADDRESS IN A
061587,000074: 5575 00003 RELINT
061588,000075: 5576 50000 INDEX A
061589,000076: 5577 00001 TC 1
061590,000077:
061591,000078: 5600 30001 MULTFAIL CA L
061592,000079: 5601 64674 AD BIT15
061593,000080: 5602 54377 TS FAILREG +2
061594,000081:
061595,000082: 5603 15574 TCF MULTEXIT
061596,000083:
061597,000084: # PRIOLARM DISPLAYS V05N09 VIA PRIODSPR WITH 3 RETURNS TO THE USER FROM THE ASTRONAUT AT CALL LOC +1,+2,+3 AND
061598,000085: # AN IMMEDIATE RETURN TO THE USER AT CALL LOC +4. EXAMPLE FOLLOWS,
061599,000086: # CAF OCTXX ALARM CODE
061600,000087: # TC BANKCALL
061601,000088: # CADR PRIOLARM
061602,000089:
061603,000090: # ... ...
061604,000091: # ... ...
061605,000092: # ... ... ASTRONAUT RETURN
061606,000093: # TC PHASCHNG IMMEDIATE RETURN TO USER. RESTART
061607,000094: # OCT X.1 PHASE CHANGE FOR PRIO DISPLAY
061608,000095:
061609,000096: 10,3671 BANK 10
061610,000097: 10,2000 SETLOC DISPLAYS
061611,000098: 10,2000 BANK
061612,000099:
061613,000100: 10,3671 COUNT 10/DSPLA
061614,000101:
061615,000102: 10,3671 00004 PRIOLARM INHINT # * * * KEEP IN DISPLAY ROUTINES BANK
061616,000103: 10,3672 54001 TS L # SAVE ALARM CODE
061617,000104:
061618,000105: 10,3673 30133 CA BUF2 # 2 CADR OF PRIOLARM USER
061619,000106: 10,3674 55363 TS ALMCADR
061620,000107: 10,3675 30134 CA BUF2 +1
061621,000108: 10,3676 05546 TC PRIOENT +1 # * LEAVE L ALONE
061622,000109: 10,3677 77467 -2SEC DEC -200 B-14 # *** DONT MOVE
061623,000110: 10,3700 34743 CAF V05N09
061624,000111: 10,3701 12632 TCF PRIODSPR
061625,000112:
061626,000113: 5604 BLOCK 02
061627,000114: 4000 SETLOC FFTAG7
061628,000115: 4000 BANK
061629,000116:
061630,000117: # # Page 1459
061631,000118: 5604 COUNT 02/ALARM
061632,000119:
061633,000120: 5604 00004 BAILOUT INHINT
061634,000121: 5605 30002 CA Q
061635,000122: 5606 55363 TS ALMCADR
061636,000123:
061637,000124: 5607 50002 INDEX Q
061638,000125: 5610 30000 CAF 0
061639,000126: 5611 05544 TC BORTENT
061640,000127: 5612 40400 OCT40400 OCT 40400
061641,000128:
061642,000129: 5613 00004 INHINT
061643,000130: 5614 34711 WHIMPER CA TWO
061644,000131: 5615 60005 AD Z
061645,000132: 5616 54017 TS BRUPT
061646,000133: 5617 50017 RESUME
061647,000134: 5620 04574 TC POSTJUMP # RESUME SENDS CONTROL HERE
061648,000135: 5621 12632 CADR ENEMA
061649,000136: 5622 00004 POODOO INHINT
061650,000137: 5623 30002 CA Q
061651,000138: 5624 55363 ABORT2 TS ALMCADR
061652,000139: 5625 50002 INDEX Q
061653,000140: 5626 30000 CAF 0
061654,000141: 5627 05544 TC BORTENT
061655,000142: 5630 77770 OCT77770 OCT 77770 # DONT MOVE
061656,000143: 5631 44712 CS BIT1
061657,000144: 5632 70075 MASK FLAGWRD1
061658,000145: 5633 54075 TS FLAGWRD1 # RESET AVEGFLAG
061659,000146: 5634 44705 CS BIT6
061660,000147: 5635 70103 MASK FLAGWRD7
061661,000148: 5636 54103 TS FLAGWRD7 # RESET V37FLAG
061662,000149:
061663,000150: 5637 04555 TC BANKCALL
061664,000151: 5640 12465 CADR MR.KLEAN
061665,000152: 5641 05614 TC WHIMPER
061666,000153:
061667,000154: 5642 00004 CCSHOLE INHINT
061668,000155: 5643 30002 CA Q
061669,000156: 5644 05624 TC ABORT2
061670,000157: 5645 01103 OCT1103 OCT 1103
061671,000158: 5646 00004 CURTAINS INHINT
061672,000159: 5647 30002 CA Q
061673,000160: 5650 05541 TC ALARM2
061674,000161: 5651 00217 OCT217 OCT 00217
061675,000162: 5652 01363 TC ALMCADR # RETURN TO USER
061676,000163:
061677,000164: 5653 5112 DOALARM EQUALS ENDOFJOB
061678,000165: # CALLING SEQUENCE FOR VARALARM
061679,000166:
061680,000167: # CAF (ALARM)
061681,000168: # # Page 1460
061682,000169: # TC VARALARM
061683,000170:
061684,000171: # VARALARM TURNS ON PROGRAM ALARM LIGHT BUT DOES NOT DISPLAY
061685,000172: 5653 00004 VARALARM INHINT
061686,000173:
061687,000174: 5654 54001 TS L # SAVE USERS ALARM CODE
061688,000175:
061689,000176: 5655 30002 CA Q # SAVE USERS Q
061690,000177: 5656 55363 TS ALMCADR
061691,000178:
061692,000179: 5657 05545 TC PRIOENT
061693,000180: 5660 00014 OCT14 OCT 14 # DONT MOVE
061694,000181:
061695,000182: 5661 01363 TC ALMCADR # RETURN TO USER
061696,000183:
061697,000184: 5662 5604 ABORT EQUALS BAILOUT # *** TEMPORARY UNTIL ABORT CALLS OUT
End of include-file ALARM_AND_ABORT.agc. Parent file is MAIN.agc