Source Code
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These source-code files are part of a reconstructed copy of Luminary 97, the
original release of the Apollo 11 Lunar Module (LM) Apollo Guidance Computer
(AGC) software.
The reconstruction began with source code of Luminary 99 revision 1 previously
transcribed from a digitized copy of that program. The code was then updated
by undoing changes described in original Luminary memos 83 and 85, using asterisks
indicating changed lines in the listing as a guide. The reconstruction was
verified by matching memory-bank checksums to those listed in drawing 2021152D.
Note that page numbers in the reconstructed code match those on the Luminary 099
revision 001 printout, although the added code would likely have changed page
numbers for a real Luminary 97 listing.
Comments from the original source code are prefixed with a single '#' symbol,
whereas comments added later are prefixed by "##" or "###". Report any errors
noted by creating an
issue report at the Virtual AGC
project's GitHub repository.
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038461,000002: ## Copyright: Public domain.
038462,000003: ## Filename: LANDING_ANALOG_DISPLAYS.agc
038463,000004: ## Purpose: A section of Luminary revision 97.
038464,000005: ## It is part of the reconstructed source code for the
038465,000006: ## original release of the flight software for the Lunar
038466,000007: ## Module's (LM) Apollo Guidance Computer (AGC) for Apollo 11.
038467,000008: ## The code has been recreated from a copy of Luminary 99
038468,000009: ## revision 001, using asterisks indicating changed lines in
038469,000010: ## the listing and Luminary Memos #83 and #85, which list
038470,000011: ## changes between Luminary 97 and 98, and 98 and 99. The
038471,000012: ## code has been adapted such that the resulting bugger words
038472,000013: ## exactly match those specified for Luminary 97 in NASA drawing
038473,000014: ## 2021152D, which gives relatively high confidence that the
038474,000015: ## reconstruction is correct.
038475,000016: ## Reference: pp. 898-907
038476,000017: ## Assembler: yaYUL
038477,000018: ## Contact: Ron Burkey <info@sandroid.org>.
038478,000019: ## Website: www.ibiblio.org/apollo/index.html
038479,000020: ## Mod history: 2019-07-28 MAS Created from Luminary 99.
038480,000021:
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Page 898
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038482,000023: 21,2154 BANK 21
038483,000024: 21,2000 SETLOC R10
038484,000025: 21,2000 BANK
038485,000026:
038486,000027: 21,2154 E7,1536 EBANK= UNIT/R/
038487,000028: 21,2154 COUNT* $$/R10
038488,000029:
038489,000030: 21,2154 23714 LANDISP LXCH PIPCTR1 # UPDATE TBASE2 AND PIPCTR SIMULTANEOUSLY.
038490,000031: 21,2155 40025 CS TIME1
038491,000032: 21,2156 53056 DXCH TBASE2
038492,000033:
038493,000034: 21,2157 40103 CS FLAGWRD7 # IS LANDING ANALOG DISPLAYS FLAG SET?
038494,000035: 21,2160 74741 MASK SWANDBIT
038495,000036: 21,2161 10000 CCS A
038496,000037: 21,2162 13053 TCF DISPRSET # NO.
038497,000038: 21,2163 31303 CA IMODES33 # BIT 7 = 0 (DO ALTRATE), =1 (DO ALT.)
038498,000039: 21,2164 74745 MASK BIT7
038499,000040: 21,2165 10000 CCS A
038500,000041: 21,2166 12240 TCF ALTOUT
038501,000042: 21,2167 02324 ALTROUT TC DISINDAT # CHECK MODE SELECT SWITCH AND DIDFLG.
038502,000043: 21,2170 41303 CS IMODES33
038503,000044: 21,2171 74745 MASK BIT7
038504,000045: 21,2172 27303 ADS IMODES33 # ALTERNATE ALTITUDE RATE WITH ALTITUDE.
038505,000046: 21,2173 34752 CAF BIT2 # RATE COMMAND IS EXECUTED BEFORE RANGE.
038506,000047: 21,2174 00006 EXTEND
038507,000048: 21,2175 05014 WOR CHAN14 # ALTRATE (BIT2 = 1), ALTITUDE (BIT2 = 0).
038508,000049: 21,2176 31743 ARCOMP CA RUNIT # COMPUTE ALTRATE = RUNIT.VVECT M/CS *2(-6).
038509,000050: 21,2177 00006 EXTEND
038510,000051: 21,2200 71706 MP VVECT # MULTIPLY X-COMPONENTS.
038511,000052: 21,2201 56070 XCH RUPTREG1 # SAVE SINGLE PRECISION RESULT M/CS*2(-6).
038512,000053: 21,2202 31744 CA RUNIT +1 # MULTIPLY Y-COMPONENTS.
038513,000054: 21,2203 00006 EXTEND
038514,000055: 21,2204 71707 MP VVECT +1
038515,000056: 21,2205 26070 ADS RUPTREG1 # ACCUMULATE PARTIAL PRODUCTS.
038516,000057: 21,2206 31745 CA RUNIT +2 # MULTIPLY Z-COMPONENTS.
038517,000058: 21,2207 00006 EXTEND
038518,000059: 21,2210 71710 MP VVECT +2
038519,000060: 21,2211 26070 ADS RUPTREG1 # ALTITUDE RATE IN M/CS *2(-6).
038520,000061: 21,2212 32000 CA ARCONV # CONVERT ALTRATE TO BIT UNITS (.5FPS/BIT)
038521,000062: 21,2213 00006 EXTEND
038522,000063: 21,2214 70070 MP RUPTREG1
038523,000064: 21,2215 20001 DDOUBL
038524,000065: 21,2216 20001 DDOUBL
038525,000066: 21,2217 56070 XCH RUPTREG1 # ALTITUDE RATE IN BIT UNITS*2(-14).
038526,000067: 21,2220 31716 CA DALTRATE # ALTITUDE RATE COMPENSATION FACTOR.
038527,000068: 21,2221 00006 EXTEND
038528,000069: 21,2222 71715 MP DT
038529,000070: 21,2223 60070 AD RUPTREG1
038530,000071: 21,2224 55711 TS ALTRATE # ALTITUDE RATE IN BIT UNITS*2(-14).
038531,000072: 21,2225 41711 CS ALTRATE
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Page 899
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038533,000074: 21,2226 00006 EXTEND # CHECK POLARITY OF ALTITUDE RATE.
038534,000075: 21,2227 62231 BZMF +2
038535,000076: 21,2230 12233 TCF DATAOUT # NEGATIVE - SEND POS. PULSES TO ALTM REG.
038536,000077: 21,2231 31711 CA ALTRATE # POSITIVE OR ZERO - SET SIGN BIT = 1 AND
038537,000078: 21,2232 64735 AD BIT15 # SEND TO ALTM REGISTER. *DO NOT SEND +0*
038538,000079: 21,2233 54060 DATAOUT TS ALTM # ACTIVATE THE LANDING ANALOG DISPLAYS - -
038539,000080: 21,2234 34751 CAF BIT3
038540,000081: 21,2235 00006 EXTEND
038541,000082: 21,2236 05014 WOR CHAN14 # BIT3 DRIVES THE ALT/ALTRATE METER.
038542,000083: 21,2237 15261 TCF TASKOVER # EXIT
038543,000084:
038544,000085: 21,2240 02324 ALTOUT TC DISINDAT # CHECK MODE SELECT SWITCH AND DIDFLG.
038545,000086: 21,2241 44745 CS BIT7
038546,000087: 21,2242 71303 MASK IMODES33
038547,000088: 21,2243 55303 TS IMODES33 # ALTERNATE ALTITUDE RATE WITH ALTITUDE.
038548,000089: 21,2244 44752 CS BIT2
038549,000090: 21,2245 00006 EXTEND
038550,000091: 21,2246 03014 WAND CHAN14
038551,000092: 21,2247 11741 CCS ALTBITS # = -1 IF OLD ALT. DATA TO BE EXTRAPOLATED.
038552,000093: 21,2250 12254 TCF +4
038553,000094: 21,2251 12254 TCF +3
038554,000095: 21,2252 12272 TCF OLDDATA
038555,000096: 21,2253 55741 TS ALTBITS # SET ALTBITS FROM -0 TO +0.
038556,000097: 21,2254 44753 CS ONE
038557,000098: 21,2255 53742 DXCH ALTBITS # SET ALTBITS = -1 FOR SWITCH USE NEXT PASS.
038558,000099: 21,2256 53713 DXCH ALTSAVE
038559,000100: 21,2257 34742 CA BIT10 # NEW ALTITUDE EXTRAPOLATION WITH ALTRATE.
038560,000101: 21,2260 56002 XCH Q
038561,000102: 21,2261 22007 LXCH 7 # ZL
038562,000103: 21,2262 31715 CA DT
038563,000104: 21,2263 00006 EXTEND
038564,000105: 21,2264 10002 DV Q # RESCALE DT*2(-14) TO *2(-9) TIME IN CS.
038565,000106: 21,2265 00006 EXTEND
038566,000107: 21,2266 72002 MP ARTOA2 # .0021322 *2(+8)
038567,000108: 21,2267 12273 TCF OLDDATA +1 # RATE APPLIES FOR DT CS.
038568,000109:
038569,000110: 21,2270 53713 ZDATA2 DXCH ALTSAVE
038570,000111: 21,2271 12313 TCF NEWDATA
038571,000112: 21,2272 32001 OLDDATA CA ARTOA # RATE APPLIES FOR .5 SEC. (4X/SEC. CYCLE)
038572,000113: 21,2273 00006 EXTEND
038573,000114: 21,2274 71711 MP ALTRATE # EXTRAPOLATE WITH ALTITUDE RATE.
038574,000115: 21,2275 20001 DDOUBL
038575,000116: 21,2276 61713 AD ALTSAVE +1
038576,000117: 21,2277 55713 TS ALTSAVE +1
038577,000118: 21,2300 34755 CAF ZERO
038578,000119: 21,2301 27712 ADS ALTSAVE
038579,000120: 21,2302 34733 CAF POSMAX # FORCE SIGN AGREEMENT ASSUMING A
038580,000121: 21,2303 64753 AD ONE # NON-NEGATIVE ALTSAVE.
038581,000122: 21,2304 61713 AD ALTSAVE +1 # IF ALTSAVE IS NEGATIVE, ZERO ALTSAVE
038582,000123: 21,2305 55713 TS ALTSAVE +1 # AND ALTSAVE +1 AT ZERODATA.
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Page 900
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038584,000125: 21,2306 34755 CAF ZERO
038585,000126: 21,2307 64733 AD POSMAX
038586,000127: 21,2310 61712 AD ALTSAVE
038587,000128: 21,2311 55712 TS ALTSAVE # POSSIBLY SKIP TO NEWDATA.
038588,000129: 21,2312 13050 TCF ZERODATA
038589,000130: 21,2313 11713 NEWDATA CCS ALTSAVE +1
038590,000131: 21,2314 12320 TCF +4
038591,000132: 21,2315 12320 TCF +3
038592,000133: 21,2316 34755 CAF ZERO # SET NEGATIVE ALTSAVE +1 TO +0.
038593,000134: 21,2317 55713 TS ALTSAVE +1
038594,000135: 21,2320 11712 CCS ALTSAVE # PROVIDE A 15 BIT UNSIGNED OUTPUT.
038595,000136: 21,2321 34735 CAF BIT15 # THE HI-ORDER PART IS +1 OR +0.
038596,000137: 21,2322 61713 AD ALTSAVE +1
038597,000138: 21,2323 12233 TCF DATAOUT # DISPATCH UNSIGNED BITS TO ALTM REG.
038598,000139: 21,2324 00006 DISINDAT EXTEND
038599,000140: 21,2325 23714 QXCH LADQSAVE # SAVE RETURN TO ALTROUT +1 OR ALTOUT +1
038600,000141: 21,2326 34746 CAF BIT6
038601,000142: 21,2327 00006 EXTEND # WISHETH THE ASTRONAUT THE ANALOG
038602,000143: 21,2330 02030 RAND CHAN30 # DISPLAYS? I.E.,
038603,000144: 21,2331 10000 CCS A # IS THE MODE SELECT SWITCH IN PGNCS?
038604,000145: 21,2332 13053 TCF DISPRSET # NO. ASTRONAUT REQUESTS NO INERTIAL DATA
038605,000146: 21,2333 40075 CS FLAGWRD1 # YES. CHECK STATUS OF DIDFLAG.
038606,000147: 21,2334 74736 MASK DIDFLBIT
038607,000148: 21,2335 00006 EXTEND
038608,000149: 21,2336 12374 BZF SPEEDRUN # SET. PERFORM DATA DISPLAY SEQUENCE.
038609,000150: 21,2337 40075 CS FLAGWRD1 # RESET. PERFORM INITIALIZATION FUNCTIONS.
038610,000151: 21,2340 74736 MASK DIDFLBIT
038611,000152: 21,2341 26075 ADS FLAGWRD1 # SET DIDFLAG.
038612,000153: 21,2342 44745 CS BIT7
038613,000154: 21,2343 71303 MASK IMODES33 # TO DISPLAY ALTRATE FIRST AND ALT. SECOND
038614,000155: 21,2344 55303 TS IMODES33
038615,000156: 21,2345 40074 CS FLAGWRD0 # ARE WE IN DESCENT TRAJECTORY?
038616,000157: 21,2346 74752 MASK R10FLBIT
038617,000158: 21,2347 00006 EXTEND
038618,000159: 21,2350 15261 BZF TASKOVER # NO
038619,000160: 21,2351 34744 CAF BIT8 # YES.
038620,000161: 21,2352 00006 EXTEND
038621,000162: 21,2353 05012 WOR CHAN12 # SET DISPLAY INERTIAL DATA OUTBIT.
038622,000163: 21,2354 34755 CAF ZERO
038623,000164: 21,2355 55702 TS TRAKLATV # LATERAL VELOCITY MONITOR FLAG
038624,000165: 21,2356 55703 TS TRAKFWDV # FORWARD VELOCITY MONITOR FLAG
038625,000166: 21,2357 55676 TS LATVMETR # LATVEL MONITOR METER
038626,000167: 21,2360 55677 TS FORVMETR # FORVEL MONITOR METER
038627,000168: 21,2361 34750 CAF BIT4
038628,000169: 21,2362 05173 TC TWIDDLE
038629,000170: 21,2363 02365 ADRES INTLZE
038630,000171: 21,2364 15261 TCF TASKOVER
038631,000172: 21,2365 34752 INTLZE CAF BIT2
038632,000173: 21,2366 00006 EXTEND
038633,000174: 21,2367 05012 WOR CHAN12 # ENABLE RR ERROR COUNTER.
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Page 901
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038635,000176: 21,2370 41303 CS IMODES33
038636,000177: 21,2371 74744 MASK BIT8
038637,000178: 21,2372 27303 ADS IMODES33 # SET INERTIAL DATA FLAG.
038638,000179: 21,2373 15261 TCF TASKOVER
038639,000180:
038640,000181: 21,2374 41235 SPEEDRUN CS PIPTIME +1 # UPDATE THE VELOCITY VECTOR
038641,000182: 21,2375 60025 AD TIME1 # COMPUTE T - TN
038642,000183: 21,2376 64736 AD HALF # CORRECT FOR POSSIBLE OVERFLOW OF TIME1.
038643,000184: 21,2377 64736 AD HALF
038644,000185: 21,2400 57715 XCH DT # SAVE FOR LATER USE
038645,000186: 21,2401 34777 CA 1SEC
038646,000187: 21,2402 54065 TS ITEMP5 # INITIALIZE FOR DIVISION LATER
038647,000188: 21,2403 00006 EXTEND
038648,000189: 21,2404 31237 DCA GDT/2 # COMPUTE THE X-COMPONENT OF VELOCITY.
038649,000190: 21,2405 20001 DDOUBL
038650,000191: 21,2406 20001 DDOUBL
038651,000192: 21,2407 00006 EXTEND
038652,000193: 21,2410 71715 MP DT
038653,000194: 21,2411 00006 EXTEND
038654,000195: 21,2412 10065 DV ITEMP5
038655,000196: 21,2413 57706 XCH VVECT # VVECT = G(T-TN) M/CS *2(-5)
038656,000197: 21,2414 00006 EXTEND
038657,000198: 21,2415 31527 DCA V # M/CS *2(-7)
038658,000199: 21,2416 20001 DDOUBL # RESCALE TO 2(-5)
038659,000200: 21,2417 20001 DDOUBL
038660,000201: 21,2420 27706 ADS VVECT # VVECT = VN + G(T-TN) M/CS *2(-5)
038661,000202: 21,2421 30037 CA PIPAX # DELV CM/SEC *2(-14)
038662,000203: 21,2422 61160 AD PIPATMPX # IN CASE PIPAX HAS BEEN ZEROED
038663,000204: 21,2423 00006 EXTEND
038664,000205: 21,2424 72004 MP KPIP1(5) # DELV M/CS *2(-5)
038665,000206: 21,2425 27706 ADS VVECT # VVECT = VN + DELV + GN(T-TN) M/CS *2(-5)
038666,000207: 21,2426 00006 EXTEND
038667,000208: 21,2427 31241 DCA GDT/2 +2 # COMPUTE THE Y-COMPONENT OF VELOCITY.
038668,000209: 21,2430 20001 DDOUBL
038669,000210: 21,2431 20001 DDOUBL
038670,000211: 21,2432 00006 EXTEND
038671,000212: 21,2433 71715 MP DT
038672,000213: 21,2434 00006 EXTEND
038673,000214: 21,2435 10065 DV ITEMP5
038674,000215: 21,2436 57707 XCH VVECT +1
038675,000216: 21,2437 00006 EXTEND
038676,000217: 21,2440 31531 DCA V +2
038677,000218: 21,2441 20001 DDOUBL
038678,000219: 21,2442 20001 DDOUBL
038679,000220: 21,2443 27707 ADS VVECT +1
038680,000221: 21,2444 30040 CA PIPAY
038681,000222: 21,2445 61161 AD PIPATMPY
038682,000223: 21,2446 00006 EXTEND
038683,000224: 21,2447 72004 MP KPIP1(5)
038684,000225: 21,2450 27707 ADS VVECT +1
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Page 902
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038686,000227: 21,2451 00006 EXTEND
038687,000228: 21,2452 31243 DCA GDT/2 +4 # COMPUTE THE Z-COMPONENT OF VELOCITY.
038688,000229: 21,2453 20001 DDOUBL
038689,000230: 21,2454 20001 DDOUBL
038690,000231: 21,2455 00006 EXTEND
038691,000232: 21,2456 71715 MP DT
038692,000233: 21,2457 00006 EXTEND
038693,000234: 21,2460 10065 DV ITEMP5
038694,000235: 21,2461 57710 XCH VVECT +2
038695,000236: 21,2462 00006 EXTEND
038696,000237: 21,2463 31533 DCA V +4
038697,000238: 21,2464 20001 DDOUBL
038698,000239: 21,2465 20001 DDOUBL
038699,000240: 21,2466 27710 ADS VVECT +2
038700,000241: 21,2467 30041 CA PIPAZ
038701,000242: 21,2470 61162 AD PIPATMPZ
038702,000243: 21,2471 00006 EXTEND
038703,000244: 21,2472 72004 MP KPIP1(5)
038704,000245: 21,2473 27710 ADS VVECT +2
038705,000246:
038706,000247: 21,2474 34751 CAF BIT3 # PAUSE 40 MS TO LET OTHER RUPTS IN.
038707,000248: 21,2475 05224 TC VARDELAY
038708,000249:
038709,000250: 21,2476 40074 CS FLAGWRD0 # ARE WE IN DESCENT TRAJECTORY?
038710,000251: 21,2477 74752 MASK R10FLBIT
038711,000252: 21,2500 10000 CCS A
038712,000253: 21,2501 12503 TCF +2 # YES.
038713,000254: 21,2502 01714 TC LADQSAVE # NO.
038714,000255:
038715,000256: 21,2503 31733 CA DELVS # HI X OF VELOCITY CORRECTION TERM.
038716,000257: 21,2504 61706 AD VVECT # HI X OF UPDATED VELOCITY VECTOR.
038717,000258: 21,2505 54061 TS ITEMP1 # = VX - DVX M/CS *2(-5).
038718,000259: 21,2506 31735 CA DELVS +2 # Y
038719,000260: 21,2507 61707 AD VVECT +1 # Y
038720,000261: 21,2510 54062 TS ITEMP2 # = VY - DVY M/CS *2(-5).
038721,000262: 21,2511 31737 CA DELVS +4 # Z
038722,000263: 21,2512 61710 AD VVECT +2 # Z
038723,000264: 21,2513 54063 TS ITEMP3 # = VZ - DVZ M/CS *2(-5).
038724,000265: 21,2514 30061 CA ITEMP1 # COMPUTE VHY, VELOCITY DIRECTED ALONG THE
038725,000266: 21,2515 00006 EXTEND # Y-COORDINATE.
038726,000267: 21,2516 71717 MP UHYP # HI X OF CROSS-RANGE HALF-UNIT VECTOR.
038727,000268: 21,2517 56070 XCH RUPTREG1
038728,000269: 21,2520 30062 CA ITEMP2
038729,000270: 21,2521 00006 EXTEND
038730,000271: 21,2522 71721 MP UHYP +2 # Y
038731,000272: 21,2523 26070 ADS RUPTREG1 # ACCUMULATE PARTIAL PRODUCTS.
038732,000273: 21,2524 30063 CA ITEMP3
038733,000274: 21,2525 00006 EXTEND
038734,000275: 21,2526 71723 MP UHYP +4 # Z
038735,000276: 21,2527 26070 ADS RUPTREG1
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Page 903
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038737,000278: 21,2530 30070 CA RUPTREG1
038738,000279: 21,2531 60000 DOUBLE
038739,000280: 21,2532 57704 XCH VHY # VHY=VMP.UHYP M/CS*2(-5).
038740,000281: 21,2533 30061 CA ITEMP1 # NOW COMPUTE VHZ, VELOCITY DIRECTED ALONG
038741,000282: 21,2534 00006 EXTEND # THE Z-COORDINATE.
038742,000283: 21,2535 71725 MP UHZP # HI X OF DOWN-RANGE HALF-UNIT VECTOR.
038743,000284: 21,2536 56070 XCH RUPTREG1
038744,000285: 21,2537 30062 CA ITEMP2
038745,000286: 21,2540 00006 EXTEND
038746,000287: 21,2541 71727 MP UHZP +2 # Y
038747,000288: 21,2542 26070 ADS RUPTREG1 # ACCUMULATE PARTIAL PRODUCTS.
038748,000289: 21,2543 30063 CA ITEMP3
038749,000290: 21,2544 00006 EXTEND
038750,000291: 21,2545 71731 MP UHZP +4 # Z
038751,000292: 21,2546 26070 ADS RUPTREG1
038752,000293: 21,2547 30070 CA RUPTREG1
038753,000294: 21,2550 60000 DOUBLE
038754,000295: 21,2551 57705 XCH VHZ # VHZ = VMP.UHZP M/CS*2(-5).
038755,000296: 21,2552 35015 GET22/32 CAF EBANK6 # GET SIN(AOG),COS(AOG) FROM GPMATRIX.
038756,000297: 21,2553 54003 TS EBANK
038757,000298: 21,2554 E6,1417 EBANK= M22
038758,000299: 21,2554 31417 CA M22
038759,000300: 21,2555 54063 TS ITEMP3
038760,000301: 21,2556 31420 CA M32
038761,000302: 21,2557 54064 TS ITEMP4
038762,000303: 21,2560 35016 CAF EBANK7
038763,000304: 21,2561 54003 TS EBANK
038764,000305: 21,2562 E7,1536 EBANK= UNIT/R/
038765,000306: 21,2562 30064 LATFWDV CA ITEMP4 # COMPUTE LATERAL AND FORWARD VELOCITIES.
038766,000307: 21,2563 00006 EXTEND
038767,000308: 21,2564 71704 MP VHY
038768,000309: 21,2565 56070 XCH RUPTREG1
038769,000310: 21,2566 30063 CA ITEMP3
038770,000311: 21,2567 00006 EXTEND
038771,000312: 21,2570 71705 MP VHZ
038772,000313: 21,2571 26070 ADS RUPTREG1 # = VHY(COS)AOG+VHZ(SIN)AOG M/CS *2(-5)
038773,000314: 21,2572 32003 CA VELCONV # CONVERT LATERAL VELOCITY TO BIT UNITS.
038774,000315: 21,2573 00006 EXTEND
038775,000316: 21,2574 70070 MP RUPTREG1
038776,000317: 21,2575 20001 DDOUBL
038777,000318: 21,2576 57700 XCH LATVEL # LATERAL VELOCITY IN BIT UNITS *2(-14).
038778,000319: 21,2577 30064 CA ITEMP4 # COMPUTE FORWARD VELOCITY.
038779,000320: 21,2600 00006 EXTEND
038780,000321: 21,2601 71705 MP VHZ
038781,000322: 21,2602 56070 XCH RUPTREG1
038782,000323: 21,2603 30063 CA ITEMP3
038783,000324: 21,2604 00006 EXTEND
038784,000325: 21,2605 71704 MP VHY
038785,000326: 21,2606 40000 CS A
038786,000327: 21,2607 26070 ADS RUPTREG1 # =VHZ(COS)AOG-VHY(SIN)AOG M/CS *2(-5).
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Page 904
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038788,000329: 21,2610 32003 CA VELCONV # CONVERT FORWARD VELOCITY TO BIT UNITS.
038789,000330: 21,2611 00006 EXTEND
038790,000331: 21,2612 70070 MP RUPTREG1
038791,000332: 21,2613 20001 DDOUBL
038792,000333: 21,2614 57701 XCH FORVEL # FORWARD VELOCITY IN BIT UNITS *2(-14).
038793,000334:
038794,000335: 21,2615 42005 CS MAXVBITS # ACC.=-199.9989 FT./SEC.
038795,000336: 21,2616 54066 TS ITEMP6 # -547 BIT UNITS (OCTAL) AT 0.5571 FPS/BIT
038796,000337:
038797,000338: 21,2617 34753 CAF ONE # LOOP TWICE.
038798,000339: 21,2620 54065 VMONITOR TS ITEMP5 # FORWARD AND LATERAL VELOCITY LANDING
038799,000340: 21,2621 50065 INDEX ITEMP5 # ANALOG DISPLAYS MONITOR.
038800,000341: 21,2622 11700 CCS LATVEL
038801,000342: 21,2623 12627 TCF +4
038802,000343: 21,2624 12730 TCF LVLIMITS
038803,000344: 21,2625 12635 TCF +8D
038804,000345: 21,2626 12730 TCF LVLIMITS
038805,000346: 21,2627 50065 INDEX ITEMP5
038806,000347: 21,2630 41700 CS LATVEL
038807,000348: 21,2631 62005 AD MAXVBITS # +199.9989 FT./SEC.
038808,000349: 21,2632 00006 EXTEND
038809,000350: 21,2633 62643 BZMF CHKLASTY
038810,000351: 21,2634 12730 TCF LVLIMITS
038811,000352: 21,2635 50065 INDEX ITEMP5
038812,000353: 21,2636 31700 CA LATVEL
038813,000354: 21,2637 62005 AD MAXVBITS
038814,000355: 21,2640 00006 EXTEND
038815,000356: 21,2641 62643 BZMF +2
038816,000357: 21,2642 12730 TCF LVLIMITS
038817,000358: 21,2643 50065 CHKLASTY INDEX ITEMP5
038818,000359: 21,2644 11676 CCS LATVMETR
038819,000360: 21,2645 12651 TCF +4
038820,000361: 21,2646 12662 TCF LASTOK
038821,000362: 21,2647 12656 TCF +7
038822,000363: 21,2650 12662 TCF LASTOK
038823,000364: 21,2651 50065 INDEX ITEMP5
038824,000365: 21,2652 31700 CA LATVEL
038825,000366: 21,2653 00006 EXTEND
038826,000367: 21,2654 62701 BZMF LASTPOSY +5
038827,000368: 21,2655 12662 TCF +5
038828,000369: 21,2656 50065 INDEX ITEMP5
038829,000370: 21,2657 41700 CS LATVEL
038830,000371: 21,2660 00006 EXTEND
038831,000372: 21,2661 62716 BZMF LASTNEGY +4
038832,000373: 21,2662 50065 LASTOK INDEX ITEMP5
038833,000374: 21,2663 11702 CCS TRAKLATV
038834,000375: 21,2664 12674 TCF LASTPOSY
038835,000376: 21,2665 12667 TCF +2
038836,000377: 21,2666 12712 TCF LASTNEGY
038837,000378: 21,2667 50065 INDEX ITEMP5
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|
Page 905
|
038839,000380: 21,2670 31700 CA LATVEL
038840,000381: 21,2671 00006 EXTEND
038841,000382: 21,2672 62720 BZMF NEGVMAXY
038842,000383: 21,2673 12703 TCF POSVMAXY
038843,000384: 21,2674 50065 LASTPOSY INDEX ITEMP5
038844,000385: 21,2675 31700 CA LATVEL
038845,000386: 21,2676 00006 EXTEND
038846,000387: 21,2677 62701 BZMF +2
038847,000388: 21,2700 12703 TCF POSVMAXY
038848,000389: 21,2701 42005 CS MAXVBITS
038849,000390: 21,2702 13024 TCF ZEROLSTY
038850,000391: 21,2703 50065 POSVMAXY INDEX ITEMP5
038851,000392: 21,2704 41676 CS LATVMETR
038852,000393: 21,2705 62005 AD MAXVBITS
038853,000394: 21,2706 50065 INDEX ITEMP5
038854,000395: 21,2707 56072 XCH RUPTREG3
038855,000396: 21,2710 34753 CAF ONE
038856,000397: 21,2711 13027 TCF ZEROLSTY +3
038857,000398: 21,2712 50065 LASTNEGY INDEX ITEMP5
038858,000399: 21,2713 31700 CA LATVEL
038859,000400: 21,2714 00006 EXTEND
038860,000401: 21,2715 62720 BZMF NEGVMAXY
038861,000402: 21,2716 32005 CA MAXVBITS
038862,000403: 21,2717 13024 TCF ZEROLSTY
038863,000404: 21,2720 50065 NEGVMAXY INDEX ITEMP5
038864,000405: 21,2721 31676 CA LATVMETR
038865,000406: 21,2722 62005 AD MAXVBITS
038866,000407: 21,2723 40000 COM
038867,000408: 21,2724 50065 INDEX ITEMP5
038868,000409: 21,2725 56072 XCH RUPTREG3
038869,000410: 21,2726 44753 CS ONE
038870,000411: 21,2727 13027 TCF ZEROLSTY +3
038871,000412: 21,2730 50065 LVLIMITS INDEX ITEMP5
038872,000413: 21,2731 11702 CCS TRAKLATV
038873,000414: 21,2732 12761 TCF LATVPOS
038874,000415: 21,2733 12735 TCF +2
038875,000416: 21,2734 12766 TCF LATVNEG
038876,000417: 21,2735 50065 INDEX ITEMP5
038877,000418: 21,2736 41676 CS LATVMETR
038878,000419: 21,2737 00006 EXTEND
038879,000420: 21,2740 62742 BZMF +2
038880,000421: 21,2741 12775 TCF NEGLMLV
038881,000422: 21,2742 50065 INDEX ITEMP5
038882,000423:
038883,000424: 21,2743 41700 CS LATVEL
038884,000425: 21,2744 00006 EXTEND
038885,000426: 21,2745 63020 BZMF LVMINLM
038886,000427: 21,2746 60066 AD ITEMP6
038887,000428: 21,2747 50065 INDEX ITEMP5
038888,000429: 21,2750 61676 AD LATVMETR
038889,000430: 21,2751 00006 EXTEND
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|
Page 906
|
038891,000432: 21,2752 63020 BZMF LVMINLM
038892,000433: 21,2753 50065 INDEX ITEMP5
038893,000434: 21,2754 61700 AD LATVEL
038894,000435: 21,2755 00006 EXTEND
038895,000436: 21,2756 50065 INDEX ITEMP5
038896,000437: 21,2757 61676 SU LATVMETR
038897,000438: 21,2760 13024 TCF ZEROLSTY
038898,000439: 21,2761 50065 LATVPOS INDEX ITEMP5
038899,000440: 21,2762 41700 CS LATVEL
038900,000441: 21,2763 00006 EXTEND
038901,000442: 21,2764 63020 BZMF LVMINLM
038902,000443: 21,2765 12772 TCF +5
038903,000444: 21,2766 50065 LATVNEG INDEX ITEMP5
038904,000445: 21,2767 31700 CA LATVEL
038905,000446: 21,2770 00006 EXTEND
038906,000447: 21,2771 63020 BZMF LVMINLM
038907,000448: 21,2772 50065 INDEX ITEMP5
038908,000449: 21,2773 41676 CS LATVMETR
038909,000450: 21,2774 13024 TCF ZEROLSTY
038910,000451: 21,2775 50065 NEGLMLV INDEX ITEMP5
038911,000452: 21,2776 31700 CA LATVEL
038912,000453: 21,2777 00006 EXTEND
038913,000454: 21,3000 63020 BZMF LVMINLM
038914,000455: 21,3001 32005 CA MAXVBITS
038915,000456: 21,3002 50065 INDEX ITEMP5
038916,000457: 21,3003 61676 AD LATVMETR
038917,000458: 21,3004 40000 COM
038918,000459: 21,3005 50065 INDEX ITEMP5
038919,000460: 21,3006 61700 AD LATVEL
038920,000461: 21,3007 00006 EXTEND
038921,000462: 21,3010 63020 BZMF LVMINLM
038922,000463: 21,3011 00006 EXTEND
038923,000464: 21,3012 50065 INDEX ITEMP5
038924,000465: 21,3013 61700 SU LATVEL
038925,000466: 21,3014 50065 INDEX ITEMP5
038926,000467: 21,3015 61676 AD LATVMETR
038927,000468: 21,3016 40000 COM
038928,000469: 21,3017 13024 TCF ZEROLSTY
038929,000470: 21,3020 50065 LVMINLM INDEX ITEMP5
038930,000471: 21,3021 41676 CS LATVMETR
038931,000472: 21,3022 50065 INDEX ITEMP5
038932,000473: 21,3023 61700 AD LATVEL
038933,000474: 21,3024 50065 ZEROLSTY INDEX ITEMP5
038934,000475: 21,3025 56072 XCH RUPTREG3
038935,000476: 21,3026 34755 CAF ZERO
038936,000477: 21,3027 50065 INDEX ITEMP5
038937,000478: 21,3030 55702 TS TRAKLATV
038938,000479: 21,3031 50065 INDEX ITEMP5
038939,000480: 21,3032 30072 CA RUPTREG3
038940,000481: 21,3033 64754 AD NEG0 # AVOIDS +0 DINC HARDWARE MALFUNCTION
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|
Page 907
|
038942,000483: 21,3034 50065 INDEX ITEMP5
038943,000484: 21,3035 54053 TS CDUTCMD
038944,000485: 21,3036 50065 INDEX ITEMP5
038945,000486: 21,3037 30072 CA RUPTREG3
038946,000487: 21,3040 50065 INDEX ITEMP5
038947,000488: 21,3041 27676 ADS LATVMETR
038948,000489: 21,3042 10065 CCS ITEMP5 # FIRST MONITOR FORWARD THEN LATERAL VEL.
038949,000490: 21,3043 12620 TCF VMONITOR
038950,000491:
038951,000492: 21,3044 35020 CAF BITSET # DRIVE THE X-POINTER DISPLAY.
038952,000493: 21,3045 00006 EXTEND
038953,000494: 21,3046 05014 WOR CHAN14
038954,000495: 21,3047 01714 TC LADQSAVE # GO TO ALTROUT +1 OR TO ALTOUT +1
038955,000496: 21,3050 34755 ZERODATA CAF ZERO # ZERO ALTSAVE AND ALTSAVE +1 - - -
038956,000497: 21,3051 54001 TS L # NO NEGATIVE ALTITUDES ALLOWED.
038957,000498: 21,3052 12270 TCF ZDATA2
038958,000499:
038959,000500: # ************************************************************************
038960,000501:
038961,000502: 21,3053 40074 DISPRSET CS FLAGWRD0 # ARE WE IN DESCENT TRAJECTORY?
038962,000503: 21,3054 74752 MASK R10FLBIT
038963,000504: 21,3055 00006 EXTEND
038964,000505: 21,3056 13067 BZF ABORTON # NO.
038965,000506: 21,3057 34744 CAF BIT8 # YES.
038966,000507: 21,3060 71303 MASK IMODES33 # CHECK IF INERTIAL DATA JUST DISPLAYED.
038967,000508: 21,3061 10000 CCS A
038968,000509: 21,3062 34752 CAF BIT2 # YES. DISABLE RR ERROR COUNTER
038969,000510: 21,3063 64744 AD BIT8 # NO. REMOVE DISPLAY INERTIAL DATA
038970,000511: 21,3064 40000 COM
038971,000512: 21,3065 00006 EXTEND
038972,000513: 21,3066 03012 WAND CHAN12
038973,000514: 21,3067 43076 ABORTON CS BITS8/7 # RESET INERTIAL DATA, INTERLEAVE FLAGS.
038974,000515: 21,3070 71303 MASK IMODES33
038975,000516: 21,3071 55303 TS IMODES33
038976,000517: 21,3072 44736 CS DIDFLBIT
038977,000518: 21,3073 70075 MASK FLAGWRD1
038978,000519: 21,3074 54075 TS FLAGWRD1 # RESET DIDFLAG.
038979,000520: 21,3075 15261 TCF TASKOVER
038980,000521:
038981,000522: # ************************************************************************
038982,000523:
038983,000524: 21,3076 00300 BITS8/7 OCT 00300 # INERTIAL DATA AND INTERLEAVE FLAGS.
038984,000525: 21,3077 5020 BITSET = PRIO6
038985,000526:
038986,000527: # ************************************************************************
038987,000528:
038988,000529:
End of include-file LANDING_ANALOG_DISPLAYS.agc. Parent file is MAIN.agc