Source Code
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These source-code files were derived from scans of the
Colossus 237 (Apollo 8 Command Module) program listing from the private collection of original
AGC developer Fred Martin. Scanning was by Ron Burkey. Pre-existing Colossus 249
(Apollo 9 CM) source files were used as a template, and changes between Colossus 249
and Colossus 237 were manually transcribed by a team of volunteers. 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, 1968Note that the date is the date of the printout, not the date of the program revision. |
043242,000002: ## Copyright: Public domain.
043243,000003: ## Filename: AUTOMATIC_MANEUVERS.agc
043244,000004: ## Purpose: Part of the source code for Colossus build 237.
043245,000005: ## This is for the Command Module's (CM) Apollo Guidance
043246,000006: ## Computer (AGC), for Apollo 8.
043247,000007: ## Assembler: yaYUL
043248,000008: ## Contact: Onno Hommes <ohommes@alumni.cmu.edu>
043249,000009: ## Website: www.ibiblio.org/apollo/index.html
043250,000010: ## Page Scans: www.ibiblio.org/apollo/ScansForConversion/Colossus237/
043251,000011: ## Mod history: 2010-06-01 OH Adapted from corresponding Colossus 249 file.
043252,000012: ## 2010-12-04 JL Remove Colossus 249 header comments. Change to double-has page numbers.
043253,000013: ## 2011-02-11 JL Minor fixes.
043254,000014: ## 2017-01-01 RSB Proofed comment text using octopus/ProoferComments,
043255,000015: ## and fixed errors found.
043256,000016:
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Page 993 |
043258,000018: 21,3234 BANK 21
043259,000019: 21,2000 SETLOC DAPS3
043260,000020: 21,2000 BANK
043261,000021:
043262,000022: 21,3234 COUNT 21/DAPAM
043263,000023:
043264,000024: 21,3234 E6,1510 EBANK= KMPAC
043265,000025: 21,3234 00006 AHFNOROT EXTEND
043266,000026: 21,3235 00031 READ CHAN31
043267,000027: 21,3236 74675 MASK BIT14
043268,000028: 21,3237 00006 EXTEND
043269,000029: 21,3240 63256 BZMF FREECONT
043270,000030: 21,3241 31501 CA RCSFLAGS # SEE IF RATE FILTER HAS BEEN INITIALIZED
043271,000031: 21,3242 74675 MASK BIT14
043272,000032: 21,3243 10000 CCS A # IF SO, PROCEED WITH ATTITUDE CONTROL
043273,000033: 21,3244 12520 TCF REINIT # IF NOT, RECYCLE TO INITIALIZE FILTER
043274,000034: # AUTOMATIC CONTROL YET
043275,000035: 21,3245 00006 EXTEND
043276,000036: 21,3246 00031 READ CHAN31
043277,000037: 21,3247 74676 MASK BIT13
043278,000038: 21,3250 00006 EXTEND
043279,000039: 21,3251 63356 BZMF HOLDFUNC
043280,000040:
043281,000041:
043282,000042: 21,3252 31332 AUTOCONT CA HOLDFLAG # IF HOLDFLAG IS +, GO TO GRABANG.
043283,000043: 21,3253 00006 EXTEND # OTHERWISE, GO TO ATTHOLD.
043284,000044: 21,3254 63306 BZMF ATTHOLD
043285,000045: 21,3255 13362 TCF GRABANG
043286,000046:
043287,000047: # MINIMUM IMPULSE CONTROL
043288,000048:
043289,000049: 21,3256 34712 FREECONT CAF ONE
043290,000050: 21,3257 55332 TS HOLDFLAG # RESET HOLDFLAG
043291,000051: # INHIBIT AUTOMATIC STEERING
043292,000052: 21,3260 00006 EXTEND
043293,000053: 21,3261 00032 READ CHAN32
043294,000054: 21,3262 54001 TS L
043295,000055: 21,3263 40000 COM
043296,000056: 21,3264 73022 MASK MANROT
043297,000057: 21,3265 71633 MASK CHANTEMP
043298,000058: 21,3266 23633 LXCH CHANTEMP
043299,000059: 21,3267 03114 TC STICKCHK
043300,000060: 21,3270 51656 INDEX RMANNDX
043301,000061: 21,3271 33302 CA MINTAU # MINTAU +0
043302,000062: 21,3272 55561 TS TAU # +1 +14MS MINIMUM IMPULSE
043303,000063: 21,3273 51657 INDEX PMANNDX # +2 -14MS TIME
043304,000064: 21,3274 33302 CA MINTAU # +3 +0
043305,000065: 21,3275 55562 TS TAU1
043306,000066: 21,3276 51660 INDEX YMANNDX
043307,000067: 21,3277 33302 CA MINTAU
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Page 994 |
043309,000069: 21,3300 55563 TS TAU2
043310,000070: 21,3301 13053 TCF T6PROGM
043311,000071:
043312,000072:
043313,000073: 21,3302 00000 MINTAU DEC 0 B-14
043314,000074: 21,3303 00027 DEC 23 B-14 # = 14MS
043315,000075: 21,3304 77750 DEC -23 B-14 # = -14MS
043316,000076: 21,3305 00000 DEC 0 B-14
043317,000077:
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Page 995 |
043319,000079: # CALCULATION OF ATTITUDE ERRORS-
043320,000080:
043321,000081: # - * - - -
043322,000082: # AK = AMGB (CDUX - THETADX) + BIAS
043323,000083:
043324,000084: # IE *AK * * 1 SIN(PSI) 0 ** CDUX - THETADX * *BIAS *
043325,000085: # * * * ** * * *
043326,000086: # *AK1* = * 0 COS(PSI)COS(PHI) SIN(PHI)** CDUY - THETADY * + *BIAS1*
043327,000087: # * * * ** * * *
043328,000088: # *AK2* * 0 -COS(PSI)SIN(PHI) COS(PHI)** CDUZ - THETADZ * *BIAS2*
043329,000089:
043330,000090:
043331,000091: # THE BIASES ARE ADDED ONLY WHILE PERFORMING AUTOMATIC MANEUVERS (ESP KALCMANU) TO PROVIDE ADDITIONAL LEAD
043332,000092: # AND PREVENT OVERSHOOT WHEN STARTING AN AUTOMATIC MANEUVER. NORMALLY THE REQUIRED LEAD IS ONLY 1-2 DEGREES.
043333,000093: # BUT DURING HIGH RATE MANEUVERS IT CAN BE AS MUCH AS 7 DEGREES. THE BIASES ARE COMPUTED BY KALCMANU AND REMAIN
043334,000094: # FIXED UNTIL THE MANEUVER IS COMPLETED AT WHICH TIME THEY ARE RESET TO ZERO.
043335,000095:
043336,000096: 21,3306 30032 ATTHOLD CA CDUX
043337,000097: 21,3307 00006 EXTEND
043338,000098: 21,3310 21572 MSU THETADX
043339,000099: 21,3311 55567 TS ERRORX
043340,000100: 21,3312 30033 CA CDUY
043341,000101: 21,3313 00006 EXTEND
043342,000102: 21,3314 21573 MSU THETADY
043343,000103: 21,3315 55502 TS T5TEMP
043344,000104: 21,3316 00006 EXTEND
043345,000105: 21,3317 71640 MP AMGB1
043346,000106: 21,3320 27567 ADS ERRORX
043347,000107: 21,3321 31502 CA T5TEMP
043348,000108: 21,3322 00006 EXTEND
043349,000109: 21,3323 71641 MP AMGB4
043350,000110: 21,3324 55570 TS ERRORY
043351,000111: 21,3325 31502 CA T5TEMP
043352,000112: 21,3326 00006 EXTEND
043353,000113: 21,3327 71643 MP AMGB7
043354,000114: 21,3330 55571 TS ERRORZ
043355,000115: 21,3331 30034 CA CDUZ
043356,000116: 21,3332 00006 EXTEND
043357,000117: 21,3333 21574 MSU THETADZ
043358,000118: 21,3334 55502 TS T5TEMP
043359,000119: 21,3335 00006 EXTEND
043360,000120: 21,3336 71642 MP AMGB5
043361,000121: 21,3337 27570 ADS ERRORY
043362,000122: 21,3340 31502 CA T5TEMP
043363,000123: 21,3341 00006 EXTEND
043364,000124: 21,3342 71644 MP AMGB8
043365,000125: 21,3343 27571 ADS ERRORZ
043366,000126: 21,3344 41332 CS HOLDFLAG
043367,000127: 21,3345 00006 EXTEND
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Page 996 |
043369,000129: 21,3346 63425 BZMF JETS
043370,000130: 21,3347 31564 CA BIAS # AD BIASES ONLY IF PERFORMING AUTOMATIC
043371,000131: 21,3350 27567 ADS ERRORX
043372,000132: 21,3351 31565 CA BIAS1
043373,000133: 21,3352 27570 ADS ERRORY
043374,000134: 21,3353 31566 CA BIAS2
043375,000135: 21,3354 27571 ADS ERRORZ
043376,000136: 21,3355 13425 TCF JETS
043377,000137:
043378,000138:
043379,000139: 21,3356 11332 HOLDFUNC CCS HOLDFLAG
043380,000140: 21,3357 13362 TCF +3
043381,000141: 21,3360 13306 TCF ATTHOLD
043382,000142: 21,3361 13362 TCF +1
043383,000143: 21,3362 34714 GRABANG CAF ZERO # ZERO WBODYS AND BIASES
043384,000144: 21,3363 55525 TS WBODY
043385,000145: 21,3364 55526 TS WBODY +1
043386,000146: 21,3365 55527 TS WBODY1
043387,000147: 21,3366 55530 TS WBODY1 +1
043388,000148: 21,3367 55531 TS WBODY2
043389,000149: 21,3370 55532 TS WBODY2 +1
043390,000150: 21,3371 55564 TS BIAS
043391,000151: 21,3372 55565 TS BIAS1
043392,000152: 21,3373 55566 TS BIAS2
043393,000153:
043394,000154: 21,3374 31501 CA RCSFLAGS
043395,000155: 21,3375 73023 MASK OCT16000
043396,000156: 21,3376 00006 EXTEND # IS RATE DAMPING COMPLETED
043397,000157: 21,3377 13405 BZF ENDDAMP # IF SO, GO TO ENDDAMP
043398,000158: 21,3400 34714 CAF ZERO # OTHERWISE, ZERO ERRORS
043399,000159: 21,3401 55567 TS ERRORX
043400,000160: 21,3402 55570 TS ERRORY
043401,000161: 21,3403 55571 TS ERRORZ
043402,000162: 21,3404 13425 TCF JETS
043403,000163:
043404,000164: 21,3405 55332 ENDDAMP TS HOLDFLAG # SET HOLDFLAG +0
043405,000165: 21,3406 00006 EXTEND
043406,000166: 21,3407 30033 DCA CDUX # PICK UP CDU ANGLES FOR ATTITUDE HOLD
043407,000167: 21,3410 53573 DXCH THETADX # REFERENCES
043408,000168: 21,3411 30034 CA CDUZ
043409,000169: 21,3412 55574 TS THETADZ
043410,000170: 21,3413 13306 TCF ATTHOLD
043411,000171:
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Page 997 |
043413,000173: # JET SWITCHING LOGIC AND CALCULATION OF REQUIRED ROTATION COMMANDS
043414,000174:
043415,000175: # DETERMINE THE LOCATION OF THE RATE ERROR AND THE ATTITUDE ERROR RELATIVE TO THE SWITCHING LOGIC IN THE PHASE
043416,000176: # PLANE.
043417,000177: # COMPUTE THE CHANGE IN RATE CORRESPONDING TO THE ATTITUDE ERROR NECESSARY TO DRIVE THE THE S/C INTO THE
043418,000178: # APPROPRIATE DEADZONE.
043419,000179:
043420,000180:
043421,000181: # .
043422,000182: # R22 RATE . ERROR
043423,000183: # WL+H .
043424,000184: # ********************************* . ***** SWITCH LINES ENCLOSING DEADZONES
043425,000185: # R23 WL * .
043426,000186: # --------------------------------- * . ----- DESIRED RATE LINES
043427,000187: # R23 WL-H - *.
043428,000188: # ****************** - . R20, R21, R22, ETC REGIONS IN PHASE
043429,000189: # * - .* R18 R20 R21 PLANE FOF COMPUTING DESIRED RESPONSE
043430,000190: # * . *
043431,000191: # *- . *
043432,000192: # R22 R24*- R23 . *
043433,000193: # *- . *
043434,000194: # * . *
043435,000195: # + -ADB . * AF ATTITUDE
043436,000196: # .........................+--+---------------+--+........................
043437,000197: # AF * . +ADB + ERROR
043438,000198: # * . *
043439,000199: # * . -*
043440,000200: # * . -*
043441,000201: # * . -*
043442,000202: # * . *
043443,000203: # *. - *
043444,000204: # . - *****************
043445,000205: # .* -
043446,000206: # . * --------------------------------
043447,000207: # . *
043448,000208: # . ********************************
043449,000209: # .
043450,000210:
043451,000211: # FIG. 1 PHASE PLANE SWITCHING LOGIC
043452,000212:
043453,000213:
043454,000214: # CONSTANTS FOR JET SWITCHING LOGIC
043455,000215:
043456,000216: 21,3414 00114 WLH/SLOP DEC .00463 # = WL+H/SLOPE = .83333 DEG $180
043457,000217: 21,3415 00055 WL-H/SLP DEC .00277 # = WL-H/SLOPE = .5 DEG $180
043458,000218: 21,3416 00022 06426 WLH 2DEC .0011111111 # = WL+H = 0.5 DEG/SEC $450
043459,000219: 21,3420 00012 35415 WLMH 2DEC .0006666666 # = WL-H = 0.3 DEG/SEC $450
043460,000220: 21,3422 00016 22021 WL 2DEC .0008888888 # = WL = 0.4 DEG/SEC $450
043461,000221:
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Page 998 |
043463,000223: 21,3424 12173 SLOPE2 DEC .32 # = 0.8 DEG/SEC/DEG $450/180
043464,000224: 21,3425 31655 JETS CA ADB
043465,000225: 21,3426 64710 AD FOUR # AF = FLAT REGION = .044 DEG
043466,000226: 21,3427 55502 TS T5TEMP # ADB+AF
043467,000227: 21,3430 34711 CAF TWO
043468,000228: 21,3431 55506 JLOOP TS SPNDX
043469,000229: 21,3432 60000 DOUBLE
043470,000230: 21,3433 55507 TS DPNDX
043471,000231: 21,3434 00006 EXTEND
043472,000232: 21,3435 50000 INDEX A
043473,000233: 21,3436 31534 DCA ADOT
043474,000234: 21,3437 53516 DXCH EDOT
043475,000235: 21,3440 31332 CA HOLDFLAG # HOLDFLAG = +0 MEANS THAT DAP IS IN
043476,000236: 21,3441 00006 EXTEND # ATTITUDE HOLD AND RATE DAMPING IS OVER.
043477,000237: 21,3442 13447 BZF INHOLD # IF THIS IS THE CASE, BYPASS ADDITION
043478,000238: # OF WBODY AND GO TO INHOLD
043479,000239: 21,3443 00006 EXTEND
043480,000240: 21,3444 51507 INDEX DPNDX
043481,000241: 21,3445 41526 DCS WBODY
043482,000242: 21,3446 21516 DAS EDOT # = ADOT-WBODY
043483,000243: 21,3447 51506 INHOLD INDEX SPNDX
043484,000244: 21,3450 31567 CA ERRORX
043485,000245: 21,3451 55517 TS AERR # AERR = BIAS + AK
043486,000246:
043487,000247: 21,3452 11515 CCS EDOT
043488,000248: 21,3453 13463 TCF POSVEL
043489,000249: 21,3454 13456 TCF SIGNCK1
043490,000250: 21,3455 13473 TCF NEGVEL
043491,000251: 21,3456 11516 SIGNCK1 CCS EDOT +1
043492,000252: 21,3457 13463 TCF POSVEL
043493,000253: 21,3460 13463 TCF POSVEL
043494,000254: 21,3461 13473 TCF NEGVEL
043495,000255: 21,3462 13473 TCF NEGVEL
043496,000256: 21,3463 00006 POSVEL EXTEND
043497,000257: 21,3464 31516 DCA EDOT
043498,000258: 21,3465 53521 DXCH EDOTVEL
043499,000259: 21,3466 31502 CA T5TEMP
043500,000260: 21,3467 55523 TS ADBVEL # +(ADB+AF)
043501,000261: 21,3470 31517 CA AERR
043502,000262: 21,3471 55522 TS AERRVEL
043503,000263: 21,3472 03502 TC J6.
043504,000264: 21,3473 00006 NEGVEL EXTEND
043505,000265: 21,3474 41516 DCS EDOT
043506,000266: 21,3475 53521 DXCH EDOTVEL
043507,000267: 21,3476 41502 CS T5TEMP
043508,000268: 21,3477 55523 TS ADBVEL # -(ADB+AF)
043509,000269: 21,3500 41517 CS AERR
043510,000270: 21,3501 55522 TS AERRVEL
043511,000271:
043512,000272: 21,3502 00006 J6. EXTEND
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Page 999 |
043514,000274: 21,3503 61655 SU ADB
043515,000275: 21,3504 63414 AD WLH/SLOP
043516,000276: 21,3505 00006 EXTEND
043517,000277: 21,3506 63535 BZMF J8
043518,000278:
043519,000279: 21,3507 41502 CS T5TEMP # (ADB+AF)
043520,000280: 21,3510 61522 AD AERRVEL
043521,000281: 21,3511 00006 EXTEND
043522,000282: 21,3512 63514 BZMF +2
043523,000283: 21,3513 13526 TCF J7
043524,000284: 21,3514 00006 EXTEND
043525,000285: 21,3515 41521 DCS EDOTVEL
043526,000286: 21,3516 00006 EXTEND
043527,000287: 21,3517 11654 DV SLOPE
043528,000288: 21,3520 00006 EXTEND
043529,000289: 21,3521 61522 SU AERRVEL
043530,000290: 21,3522 61655 AD ADB
043531,000291: 21,3523 00006 EXTEND
043532,000292: 21,3524 63614 BZMF J18
043533,000293: 21,3525 13670 TCF J23
043534,000294:
043535,000295: 21,3526 43415 J7 CS WL-H/SLP
043536,000296: 21,3527 00006 EXTEND
043537,000297: 21,3530 61502 SU T5TEMP # (ADB+AF)
043538,000298: 21,3531 61522 AD AERRVEL
043539,000299: 21,3532 00006 EXTEND
043540,000300: 21,3533 63620 BZMF J20
043541,000301: 21,3534 13631 TCF J21
043542,000302:
043543,000303: 21,3535 00006 J8 EXTEND
043544,000304: 21,3536 43417 DCS WLH
043545,000305: 21,3537 53514 DXCH WTEMP
043546,000306: 21,3540 00006 EXTEND
043547,000307: 21,3541 31521 DCA EDOTVEL
043548,000308: 21,3542 21514 DAS WTEMP
043549,000309: 21,3543 11513 CCS WTEMP
043550,000310: 21,3544 13657 TCF J22
043551,000311: 21,3545 13547 TCF SIGNCK2
043552,000312: 21,3546 13553 TCF NJ22
043553,000313: 21,3547 11514 SIGNCK2 CCS WTEMP +1
043554,000314: 21,3550 13657 TCF J22
043555,000315: 21,3551 13657 TCF J22
043556,000316: 21,3552 13553 TCF NJ22
043557,000317:
043558,000318: 21,3553 00006 NJ22 EXTEND
043559,000319: 21,3554 31521 DCA EDOTVEL
043560,000320: 21,3555 00006 EXTEND
043561,000321: 21,3556 11654 DV SLOPE
043562,000322: 21,3557 61502 AD T5TEMP # (ADB+AF)
043563,000323: 21,3560 61522 AD AERRVEL
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Page 1000 |
043565,000325: 21,3561 10000 CCS A
043566,000326: 21,3562 13670 TCF J23
043567,000327: 21,3563 13670 TCF J23
043568,000328: 21,3564 13566 TCF +2
043569,000329: 21,3565 13670 TCF J23
043570,000330:
043571,000331: 21,3566 00006 EXTEND
043572,000332: 21,3567 43421 DCS WLMH # WL - H
043573,000333: 21,3570 53514 DXCH WTEMP
043574,000334: 21,3571 00006 EXTEND
043575,000335: 21,3572 31521 DCA EDOTVEL
043576,000336: 21,3573 21514 DAS WTEMP
043577,000337: 21,3574 11513 CCS WTEMP
043578,000338: 21,3575 13670 TCF J23
043579,000339: 21,3576 13600 TCF SIGNCK3
043580,000340: 21,3577 13604 TCF NJ23
043581,000341: 21,3600 11514 SIGNCK3 CCS WTEMP +1
043582,000342: 21,3601 13670 TCF J23
043583,000343: 21,3602 13670 TCF J23
043584,000344: 21,3603 13604 TCF NJ23
043585,000345:
043586,000346: 21,3604 31522 NJ23 CA AERRVEL
043587,000347: 21,3605 61502 AD T5TEMP # (ADB+AF)
043588,000348: 21,3606 63415 AD WL-H/SLP
043589,000349: 21,3607 10000 CCS A
043590,000350: 21,3610 13702 TCF J24
043591,000351: 21,3611 13702 TCF J24
043592,000352: 21,3612 13657 TCF J22
043593,000353: 21,3613 13657 TCF J22
043594,000354:
043595,000355: 21,3614 00006 J18 EXTEND
043596,000356: 21,3615 41516 DCS EDOT
043597,000357: 21,3616 53511 DXCH KMPAC
043598,000358: 21,3617 13713 TCF JTIME
043599,000359:
043600,000360: 21,3620 41517 J20 CS AERR
043601,000361: 21,3621 61523 AD ADBVEL
043602,000362: 21,3622 00006 EXTEND
043603,000363: 21,3623 73424 MP SLOPE2 # (HYSTERESIS SLOPE)
043604,000364: 21,3624 53511 DXCH KMPAC
043605,000365: 21,3625 00006 EXTEND
043606,000366: 21,3626 41516 DCS EDOT
043607,000367: 21,3627 21511 DAS KMPAC
043608,000368: 21,3630 13713 TCF JTIME
043609,000369:
043610,000370: 21,3631 11515 J21 CCS EDOT
043611,000371: 21,3632 13650 TCF JP
043612,000372: 21,3633 13635 TCF SIGNCK4
043613,000373: 21,3634 13641 TCF JN
043614,000374: 21,3635 11516 SIGNCK4 CCS EDOT +1
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Page 1001 |
043616,000376: 21,3636 13650 TCF JP
043617,000377: 21,3637 13650 TCF JP
043618,000378: 21,3640 13641 TCF JN
043619,000379: 21,3641 00006 JN EXTEND
043620,000380: 21,3642 41516 DCS EDOT
043621,000381: 21,3643 53511 DXCH KMPAC
043622,000382: 21,3644 00006 EXTEND
043623,000383: 21,3645 33423 DCA WL
043624,000384: 21,3646 21511 DAS KMPAC
043625,000385: 21,3647 13713 TCF JTIME
043626,000386:
043627,000387: 21,3650 00006 JP EXTEND
043628,000388: 21,3651 41516 DCS EDOT
043629,000389: 21,3652 53511 DXCH KMPAC
043630,000390: 21,3653 00006 EXTEND
043631,000391: 21,3654 43423 DCS WL
043632,000392: 21,3655 21511 DAS KMPAC
043633,000393: 21,3656 13713 TCF JTIME
043634,000394:
043635,000395: 21,3657 11515 J22 CCS EDOT
043636,000396: 21,3660 13641 TCF JN
043637,000397: 21,3661 13663 TCF SIGNCK5
043638,000398: 21,3662 13650 TCF JP
043639,000399: 21,3663 11516 SIGNCK5 CCS EDOT +1
043640,000400: 21,3664 13641 TCF JN
043641,000401: 21,3665 13641 TCF JN
043642,000402: 21,3666 13650 TCF JP
043643,000403: 21,3667 13650 TCF JP
043644,000404:
043645,000405: 21,3670 51506 J23 INDEX SPNDX
043646,000406: 21,3671 44676 CS BIT13 # RESET RATE DAMPING FLAG
043647,000407: 21,3672 71501 MASK RCSFLAGS # BIT13 FOR ROLL (SPNDX = 0)
043648,000408: 21,3673 55501 TS RCSFLAGS # BIT12 FOR PITCH (SPNDX = 1)
043649,000409: # BIT11 FOR YAW (SPNDX = 2)
043650,000410:
043651,000411: 21,3674 51506 INDEX SPNDX
043652,000412: 21,3675 33017 CAF OCT01400 # IS THERE TO BE A FORCED FIRING ON THIS
043653,000413: 21,3676 71501 MASK RCSFLAGS # AXIS
043654,000414: 21,3677 00006 EXTEND
043655,000415: 21,3700 13734 BZF DOJET +2 # NO, GO TO DOJET +2 AND DO NOTHING
043656,000416:
043657,000417: 21,3701 13614 TCF J18 # YES, GO TO J18 AND FORCE A FIRING
043658,000418:
043659,000419: 21,3702 41517 J24 CS AERR
043660,000420: 21,3703 00006 EXTEND
043661,000421: 21,3704 61523 SU ADBVEL
043662,000422: 21,3705 00006 EXTEND
043663,000423: 21,3706 73424 MP SLOPE2 # (HYSTERESIS SLOPE)
043664,000424: 21,3707 53511 DXCH KMPAC
043665,000425: 21,3710 00006 EXTEND
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Page 1002 |
043667,000427: 21,3711 41516 DCS EDOT
043668,000428: 21,3712 21511 DAS KMPAC
043669,000429:
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Page 1003 |
043671,000431: # COMPUTE THE JET ON TIME NECESSARY TO ACCOMPLISH THE DESIRED CHANGE IN RATE, IE
043672,000432:
043673,000433: # T = J/M(DELTA W)
043674,000434: # J
043675,000435:
043676,000436: # DELTA W = DESIRED CHANGE IN S/C ANGULAR RATE AS DETERMINED BY THE
043677,000437: # SWITCHING LOGIC, AT THIS POINT STORED IN KMPAC.
043678,000438:
043679,000439: # J/M = S/C INERTIA TO TORQUE 9ATIO SCALED BY
043680,000440: # (57.3/450)(B24/1600)(1/.8)
043681,000441: # FOR 1 JET OPERATION (M = 700 FT-LB).
043682,000442: # IE J/M = J(SLUG-FTFT) X 0.00000085601606
043683,000443:
043684,000444: # THE CORRESPONDING COMPUTER VARIABLES ESTABLISHED BY
043685,000445: # KEYBOARD ENTRY ARE
043686,000446: # J/M (ROLL)
043687,000447: # J/M1 (PITCH)
043688,000448: # J/M2 (YAW)
043689,000449:
043690,000450: # T = JET ON-TIME SCALED 16384/1600 SEC
043691,000451: # J
043692,000452:
043693,000453: # THE COMPUTER VARIABLES ARE
043694,000454: # TAU (ROLL)
043695,000455: # TAU1 (PITCH)
043696,000456: # TAU2 (YAW)
043697,000457:
043698,000458:
043699,000459: 21,3713 51506 JTIME INDEX SPNDX # PICK UP S/C INERTIA/TORQUE RATIO
043700,000460: 21,3714 31623 CA J/M # SCALED (57.3/450)(B24/1600)
043701,000461: 21,3715 02026 TC SMALLMP # FOR 1-JET OPERATION
043702,000462: 21,3716 34700 CA BIT11
043703,000463: 21,3717 02026 TC SMALLMP
043704,000464: 21,3720 11510 CCS KMPAC
043705,000465: 21,3721 13725 TCF +4
043706,000466: 21,3722 13731 TCF TAUNORM
043707,000467: 21,3723 13727 TCF +4
043708,000468: 21,3724 13731 TCF TAUNORM
043709,000469: 21,3725 34672 CA POSMAX
043710,000470: 21,3726 13732 TCF DOJET
043711,000471: 21,3727 34674 CA NEGMAX
043712,000472: 21,3730 13732 TCF DOJET
043713,000473:
043714,000474: 21,3731 31511 TAUNORM CA KMPAC +1
043715,000475: 21,3732 51506 DOJET INDEX SPNDX
043716,000476: 21,3733 55561 TS TAU
043717,000477: 21,3734 11506 CCS SPNDX
043718,000478: 21,3735 13431 TCF JLOOP
043719,000479: 21,3736 13743 TCF T6PROG
043720,000480:
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Page 1004 |
043722,000482: 21,3737 34714 ZEROCMDS CAF ZERO
043723,000483: 21,3740 55561 TS TAU
043724,000484: 21,3741 55562 TS TAU1
043725,000485: 21,3742 55563 TS TAU2
043726,000486: 21,3743 00006 T6PROG EXTEND # WHEN THE ROTATION COMMANDS (TAUS)
043727,000487: 21,3744 33750 DCA JETADDR # HAVE BEEN DETERMINED
043728,000488: 21,3745 53313 DXCH T5LOC # RESET T5LOC FOR PHASE3
043729,000489: 21,3746 15222 TCF RESUME
043730,000490:
043731,000491: 21,3747 E6,1510 EBANK= KMPAC
043732,000492: 21,3747 02601 36066 JETADDR 2CADR JETSLECT
End of include-file AUTOMATIC_MANEUVERS.agc. Parent file is MAIN.agc