Source Code
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These source-code files were from the printout at the MIT Museum, with many thanks
to Deborah Douglas, the Museum's Curator of Science and Technology, for releasing
it to us. The printout was digitally photographed by Paul Fjeld. A team of
volunteers transcribed the source code manually from these images or, where
appropriate, modified already-transcribed but similar source Colossus 249 (Apollo 9)
source code to agree with the images from the printout. Note that the page images
presented online are of reduced quality, and that higher-quality 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 055 OF AGC PROGRAM COMANCHE BY NASA 2021113-051 10:28 APR. 1,1969Note that the date is the date of the printout, not the date of the program revision. |
024305,000002: ## Copyright: Public domain.
024306,000003: ## Filename: TPI_SEARCH.agc
024307,000004: ## Purpose: Part of the source code for Colossus 2A, AKA Comanche 055.
024308,000005: ## It is part of the source code for the Command Module's (CM)
024309,000006: ## Apollo Guidance Computer (AGC), for Apollo 11.
024310,000007: ## Assembler: yaYUL
024311,000008: ## Contact: Ron Burkey <info@sandroid.org>.
024312,000009: ## Website: www.ibiblio.org/apollo.
024313,000010: ## Pages: 551-561
024314,000011: ## Mod history: 2009-05-15 RSB Adapted from the Colossus249/ file of the
024315,000012: ## same name, using Comanche055 page images.
024316,000013: ## 2009-05-20 RSB Corrections: On p. 551, "SETLOC P17S" -> P17S1.
024317,000014: ## 2016-12-10 RSB All of the GOTOPOOH's should have been
024318,000015: ## GOTOPOOH, and I've changed them back.
024319,000016: ## 2016-12-10 RSB Proofed comments with octopus/ProoferComments
024320,000017: ## and fixed the errors found.
024321,000018: ## 2017-01-20 RSB Fixed comment-text errors noted while diff'ing
024322,000019: ## vs Colossus 249.
024323,000020: ##
024324,000021: ## This source code has been transcribed or otherwise adapted from digitized
024325,000022: ## images of a hardcopy from the MIT Museum. The digitization was performed
024326,000023: ## by Paul Fjeld, and arranged for by Deborah Douglas of the Museum. Many
024327,000024: ## thanks to both. The images (with suitable reduction in storage size and
024328,000025: ## consequent reduction in image quality as well) are available online at
024329,000026: ## www.ibiblio.org/apollo. If for some reason you find that the images are
024330,000027: ## illegible, contact me at info@sandroid.org about getting access to the
024331,000028: ## (much) higher-quality images which Paul actually created.
024332,000029: ##
024333,000030: ## Notations on the hardcopy document read, in part:
024334,000031: ##
024335,000032: ## Assemble revision 055 of AGC program Comanche by NASA
024336,000033: ## 2021113-051. 10:28 APR. 1, 1969
024337,000034: ##
024338,000035: ## This AGC program shall also be referred to as
024339,000036: ## Colossus 2A
024340,000037:
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Page 551 |
024342,000039: # PROGRAM DESCRIPTION S17.1 AND S17.2
024343,000040:
024344,000041: # FUNCTIONAL DESCRIPTION
024345,000042:
024346,000043: # THE TPI SEARCH ROUTINE DETERMINES THE MINIMUM TOTAL VELOCITY TRANSFER TRAJECTORY FROM A GIVEN TPI
024347,000044: # MANEUVER TIME WITHIN THE CONSTRAINT OF A SAFE PERICENTER. THIS VELOCITY IS THE SUM OF THE IMPULSIVE VELOCITIES
024348,000045: # FOR THE TPI AND TPF MANEUVERS.
024349,000046:
024350,000047: # THE S17.1 ROUTINE EXTRAPOLATES THE STATE VECTORS OF BOTH VEHICLES TO THE TPI TIME AND COMPUTES THE
024351,000048: # RELATIVE PHASE ANGLE BETWEEN THE VEHICLES, THE ALTITUDE DIFFERENCE (I.E. THE MAGNITUDE DIFFERENCE OF THE
024352,000049: # POSITION VECTORS) AND SELECTS A SEARCH SECTOR BASED ON THE SIGN OF THE ALTITUDE DIFFERENCE.
024353,000050:
024354,000051: # THE S17.2 ROUTINE FURTHER DEFINES THE SEARCH SECTOR BY COMPUTING ANGULAR LIMITS AND USES THE TIME THETA
024355,000052: # SUBROUTINE TO COMPUTE THE SEARCH START AND END TIMES. THE SEARCH IS THEN MADE IN AN ITERATIVE LOOP USING THE
024356,000053: # LAMBERT SUBROUTINE TO COMPUTE THE VELOCITIES REQUIRED AT TPI TIME AND AT TPF TIME. EXIT FROM THE SEARCH LOOP
024357,000054: # IS MADE WHEN SOLUTION CRITERIA ARE MET (NORMAL EXIT) OR AS SOON AS IT IS EVIDENT THAT NO SOLUTION EXISTS IN
024358,000055: # THE SECTOR SEARCHED.
024359,000056:
024360,000057: # CALLING SEQUENCE
024361,000058:
024362,000059: # BOTH ROUTINES ARE CALLED IN INTERPRETIVE CODE AND RETURN VIA QPRET. S17.1 HAS ONLY A NORMAL EXIT.
024363,000060: # S17.2 RETURNS VIA QPRET FOR NORMAL EXIT AND TO ALARUMS FOR ERROR EXIT.
024364,000061:
024365,000062: # SUBROUTINES CALLED
024366,000063:
024367,000064: # CSMCONIC
024368,000065: # LEMCONIC
024369,000066: # TIMETHET
024370,000067: # INITVEL
024371,000068:
024372,000069: 36,2012 BANK 36
024373,000070: 35,2000 SETLOC P17S1
024374,000071: 35,2000 BANK
024375,000072:
024376,000073: 35,3123 COUNT 36/TPI
024377,000074:
024378,000075: 35,3123 E7,1537 EBANK= RACT3
024379,000076:
024380,000077: # **** TEMPORARY ****
024381,000078:
024382,000079: 35,3123 00004 31566 HPE 2DEC 157420.0 B-29 # EARTH'S MIN. PERICENTER ALTITUDE 85 N.M.
024383,000080:
024384,000081: 35,3125 00000 12326 HPL 2DEC 10668.0213 B-29 # MOON:S MIN. PERICENTER ALTITUDE 35000 FT
024385,000082:
024386,000083: 35,3127 00002 16100 CDSEC 2DEC 40000 B-28
024387,000084:
024388,000085: 35,3131 00000 35230 CLSEC 2DEC 15000 B-28
024389,000086:
024390,000087: 35,3133 12137 06033 PIINVERS 2DEC .3183098862
024391,000088:
024392,000089: 35,3135 06161 30707 SEC1THET 2DEC .1944444444
024393,000090:
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Page 552 |
024395,000092: 35,3137 35252 25253 SEC2THET 2DEC .9166666667
024396,000093:
024397,000094: 35,3141 67777 77777 MANYFEET 2DEC -1.0 B-2
024398,000095:
024399,000096: 35,3143 00000 30760 LIMVEL 2DEC .6096 E-2 B-7 # 2FPS
024400,000097:
024401,000098: 35,3145 00000 00114 DFTMOON 2DEC .1524 E3 B-29 # 500 FEET
024402,000099:
024403,000100: 35,3147 00040 30447 DP-.002 2DEC 0.002
024404,000101:
024405,000102: 36,2000 SETLOC P17S
024406,000103: 36,2000 BANK
024407,000104: 36,2012 71220 S17.1 STQ DLOAD
024408,000105: 36,2013 01340 NORMEX
024409,000106: 36,2014 03663 TTPI
024410,000107: 36,2015 34041 STCALL TDEC1 # ADVANCE PASSIVE VEHICLE TO TPI
024411,000108: 36,2016 27126 LEMCONIC
024412,000109: 36,2017 77624 CALL
024413,000110: 36,2020 45233 LEMSTORE
024414,000111: 36,2021 77745 DLOAD
024415,000112: 36,2022 03663 TTPI
024416,000113: 36,2023 34041 STCALL TDEC1 # ADVANCE ACTIVE VEHICLE TO TPI
024417,000114: 36,2024 27114 CSMCONIC
024418,000115: 36,2025 77624 CALL
024419,000116: 36,2026 45243 CSMSTORE
024420,000117: 36,2027 77775 VLOAD
024421,000118: 36,2030 03540 RACT3
024422,000119: 36,2031 63246 ABVAL PDVL # /RA/ 0D PL 2D
024423,000120: 36,2032 03554 RPASS3
024424,000121: 36,2033 65256 UNIT PDDL # UNIT RP 0D PL 6D
024425,000122: 36,2034 43021 BDSU SET
024426,000123: 36,2035 00045 36D # /RP/ -/RA/
024427,000124: 36,2036 00076 KFLAG # OFF = +
024428,000125: 36,2037 43040 BMN CLEAR
024429,000126: 36,2040 74042 +2
024430,000127: 36,2041 00276 KFLAG # ON = -
024431,000128: 36,2042 27754 STOVL DELHITE
024432,000129: 36,2043 00001 0D
024433,000130: 36,2044 53435 VXV UNIT
024434,000131: 36,2045 03562 VPASS3
024435,000132: 36,2046 27646 STOVL E2 # ALMOST IT SAVE FOR 17.2
024436,000133: 36,2047 03540 RACT3
024437,000134: 36,2050 46206 PUSH VPROJ
024438,000135: 36,2051 03646 E2
024439,000136: 36,2052 51352 VSL2 BVSU # RPA
024440,000137: 36,2053 50256 UNIT DOT
024441,000138: 36,2054 00001 0D
024442,000139: 36,2055 65552 SL1 ACOS
024443,000140: 36,2056 77715 PDVL
024444,000141: 36,2057 50235 VXV DOT
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Page 553 |
024446,000143: 36,2060 03540 RACT3
024447,000144: 36,2061 03646 E2
024448,000145: 36,2062 75325 PDDL SIGN
024449,000146: 36,2063 77626 STADR
024450,000147: 36,2064 61160 STODL THETZERO # CENTRAL ANGLE
024451,000148: 36,2065 00047 X1
024452,000149: 36,2066 37746 STCALL XRS # SAVE INDICES FOR FURTHER USE
024453,000150: 36,2067 01340 NORMEX # += ACTIVE AHEAD -= ACTIVE BEHIND
024454,000151: 36,2070 77220 S17.2 STQ VLOAD # COMPUTE SEARCH SECTOR LIMITS
024455,000152: 36,2071 03657 QTEMP
024456,000153: 36,2072 03540 RACT3
024457,000154: 36,2073 50256 UNIT DOT
024458,000155: 36,2074 03646 E2
024459,000156: 36,2075 75446 ABS SQRT
024460,000157: 36,2076 43352 SL1 DAD
024461,000158: 36,2077 33150 DP-.002 # ADD .002 RADIANS TO IT
024462,000159: 36,2100 57414 BON DCOMP # GIVES CORRECT SINE, COSINE MUST BE
024463,000160: 36,2101 00316 KFLAG # COMP. ADD .5 FOR ANGLE
024464,000161: 36,2102 74103 +1
024465,000162: # PHI(0)=180-(-(THETAZERO +K5IT)), PHI(I)=180-(-(THETAZERO+K2IT))
024466,000163: # SIN(180-ALPHA)=SIN(ALPHA) ETC
024467,000164: 36,2103 40205 DMP SETPD
024468,000165: 36,2104 33134 PIINVERS # REVOLUTIONARY HERES TWO IT
024469,000166: 36,2105 00001 0D
024470,000167: 36,2106 45206 PUSH DSU
024471,000168: 36,2107 02617 THETZERO
024472,000169: 36,2110 02611 STORE IT # PHI(I) , -(THETZERO + K2IT)
024473,000170: 36,2111 41525 PDDL PUSH
024474,000171: 36,2112 43342 SR1 DAD
024475,000172: 36,2113 41415 DAD PUSH # PHI(0) , -(THETZERO + K5IT)
024476,000173: 36,2114 43156 SIN SET
024477,000174: 36,2115 03466 RVSW
024478,000175: 36,2116 16732 STODL SNTH
024479,000176: 36,2117 50146 COS BMN
024480,000177: 36,2120 74122 +2
024481,000178: 36,2121 77676 DCOMP
024482,000179: 36,2122 16734 STODL CSTH
024483,000180: 36,2123 03746 XRS
024484,000181: 36,2124 24047 STOVL X1
024485,000182: 36,2125 03554 RPASS3
024486,000183: 36,2126 77657 VSR*
024487,000184: 36,2127 57176 0,2
024488,000185: 36,2130 26657 STOVL RVEC
024489,000186: 36,2131 03562 VPASS3
024490,000187: 36,2132 77657 VSR*
024491,000188: 36,2133 57176 0,2
024492,000189: 36,2134 36746 STCALL VVEC
024493,000190: 36,2135 24744 TIMETHET
024494,000191: 36,2136 77745 DLOAD # SAVE START TIME AND GET END TIME
024495,000192: 36,2137 00037 T
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Page 554 |
024497,000194: 36,2140 03752 STORE TF
024498,000195: 36,2141 16627 STODL TFO
024499,000196: 36,2142 02611 IT
024500,000197: 36,2143 73406 PUSH SIN
024501,000198: 36,2144 16732 STODL SNTH
024502,000199: 36,2145 50146 COS BMN
024503,000200: 36,2146 74150 +2
024504,000201: 36,2147 77676 DCOMP
024505,000202: 36,2150 02734 STORE CSTH
024506,000203: 36,2151 45150 LXA,1 CALL
024507,000204: 36,2152 03745 XRS
024508,000205: 36,2153 24744 TIMETHET
024509,000206: # INITIALIZE LOOP
024510,000207: 36,2154 43145 DLOAD CLEAR
024511,000208: 36,2155 00037 T
024512,000209: 36,2156 03661 ITSWICH
024513,000210: 36,2157 16621 STODL TFI # SAVE TIME FOR LOOP TEST
024514,000211: 36,2160 15343 DPPOSMAX
024515,000212: 36,2161 16623 STODL DELVEE
024516,000213: 36,2162 33142 MANYFEET
024517,000214: 36,2163 16625 STODL HP
024518,000215: 36,2164 33136 SEC1THET # 70 DEGREES
024519,000216: 36,2165 71214 BON DLOAD
024520,000217: 36,2166 00316 KFLAG
024521,000218: 36,2167 74171 +2
024522,000219: 36,2170 33140 SEC2THET # 330 DEGREES
024523,000220: 36,2171 37750 STCALL THETL
024524,000221: 36,2172 74214 CONCAUL
024525,000222: 36,2173 70545 BIS DLOAD SR1
024526,000223: 36,2174 02734 CSTH
024527,000224: 36,2175 14021 STODL COSTH
024528,000225: 36,2176 02732 SNTH
024529,000226: 36,2177 77742 SR1
024530,000227: 36,2200 34023 STCALL SINTH # GET 4 QUADRANT THETA
024531,000228: 36,2201 47256 ARCTRIG
024532,000229: 36,2202 43244 BPL DAD
024533,000230: 36,2203 74205 +2
024534,000231: 36,2204 15343 DPPOSMAX # PUT THETA BETWEEN 0,1
024535,000232: 36,2205 65221 BDSU PDDL
024536,000233: 36,2206 03750 THETL
024537,000234: 36,2207 03752 TF
024538,000235: 36,2210 75225 DSU SIGN # FAST TIMES
024539,000236: 36,2211 02621 TFI
024540,000237: 36,2212 77640 BMN
024541,000238: 36,2213 74416 RNGETEST # TIME MUST HAVE A STOP
024542,000239: # ADVANCE PASSIVE FOR TARGET VECTOR
024543,000240: 36,2214 77745 CONCAUL DLOAD
024544,000241: 36,2215 03663 TTPI
024545,000242: 36,2216 43015 DAD BON
024546,000243: 36,2217 03752 TF
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Page 555 |
024548,000245: 36,2220 01312 AVFLAG
024549,000246: 36,2221 74226 ADVCSM
024550,000247: 36,2222 34041 STCALL TDEC1
024551,000248: 36,2223 27126 LEMCONIC
024552,000249: 36,2224 77650 GOTO
024553,000250: 36,2225 74230 JUNCT3
024554,000251: 36,2226 34041 ADVCSM STCALL TDEC1
024555,000252: 36,2227 27114 CSMCONIC
024556,000253: # SAVE BACK VALUES OF HP AND DELVEE
024557,000254: 36,2230 77775 JUNCT3 VLOAD
024558,000255: 36,2231 00007 VATT
024559,000256: 36,2232 27640 STOVL VPASS4
024560,000257: 36,2233 00001 RATT
024561,000258: 36,2234 03632 STORE RPASS4
024562,000259: 36,2235 17415 STODL RTARG
024563,000260: 36,2236 03752 TF
024564,000261: 36,2237 17423 STODL DELLT4
024565,000262: 36,2240 02625 HP
024566,000263: 36,2241 16631 STODL HPO
024567,000264: 36,2242 02623 DELVEE
024568,000265: 36,2243 16633 STODL DELVEO
024569,000266: # PREPARE FOR LAMBERT
024570,000267: 36,2244 03663 TTPI
024571,000268: 36,2245 17503 STODL INTIME
024572,000269: 36,2246 03746 XRS
024573,000270: 36,2247 17746 STODL RTX1
024574,000271: 36,2250 15335 HI6ZEROS
024575,000272: 36,2251 65201 SETPD PDDL
024576,000273: 36,2252 00001 0D
024577,000274: 36,2253 33122 EPSFOUR
024578,000275: 36,2254 77715 PDVL
024579,000276: 36,2255 03540 RACT3
024580,000277: 36,2256 27570 STOVL RINIT
024581,000278: 36,2257 03546 VACT3
024582,000279: 36,2260 37576 STCALL VINIT
024583,000280: 36,2261 22000 INITVEL
024584,000281: # COMPUTE H ET CETERA
024585,000282: 36,2262 52375 VLOAD VSU
024586,000283: 36,2263 03620 VTPRIME
024587,000284: 36,2264 03640 VPASS4
024588,000285: 36,2265 41446 ABVAL PUSH
024589,000286: 36,2266 26637 STOVL RELDELV # /V2-VP(TPI+TF)/
024590,000287: 36,2267 03646 DELVEET3 # V1-VA
024591,000288: 36,2270 77646 ABVAL # /V1-VA/
024592,000289: 36,2271 02635 STORE MAGVTPI
024593,000290: 36,2272 45415 DAD STADR
024594,000291: 36,2273 61154 STODL DELVEE
024595,000292: 36,2274 03746 XRS
024596,000293: 36,2275 24047 STOVL X1
024597,000294: 36,2276 03612 VIPRIME
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Page 556 |
024599,000296: 36,2277 77657 VSR*
024600,000297: 36,2300 57176 0,2
024601,000298: 36,2301 26746 STOVL VVEC
024602,000299: 36,2302 03540 RACT3
024603,000300: 36,2303 77657 VSR*
024604,000301: 36,2304 57176 0,2
024605,000302: 36,2305 36657 STCALL RVEC
024606,000303: 36,2306 45163 PERIAPO
024607,000304: 36,2307 71354 LXA,2 DLOAD
024608,000305: 36,2310 03746 XRS +1
024609,000306: 36,2311 77657 SL*
024610,000307: 36,2312 57576 0,2
024611,000308: 36,2313 02625 STORE HP
024612,000309: # ITSWICH DENOTES INTERPOLATION -- SOLUTION ACCEPTANCE IS FORCED
024613,000310: 36,2314 71214 BON DLOAD
024614,000311: 36,2315 03701 ITSWICH
024615,000312: 36,2316 74427 ENDEN
024616,000313: 36,2317 02321 HPERMIN
024617,000314: 36,2320 50025 DSU BMN
024618,000315: 36,2321 02625 HP
024619,000316: 36,2322 74365 HALFSAFE
024620,000317: 36,2323 45325 PDDL DSU # WAS PERICENTER ALT SAFE
024621,000318: 36,2324 02321 HPERMIN
024622,000319: 36,2325 02631 HPO
024623,000320: 36,2326 45240 BMN DSU # (HPLIM-HPO)-(HPLIM-HP)=HP-HPO
024624,000321: 36,2327 74344 INTERP # SOLUTION AT HAND
024625,000322: 36,2330 71240 BMN DLOAD
024626,000323: 36,2331 73254 ALARUMS # ITS GETTING WORSE - SOUND THE ALARM
024627,000324: 36,2332 33130 CDSEC
024628,000325: 36,2333 57414 JUNCT1 BOFF DCOMP # OFF IS PLUS ON IS MINUS
024629,000326: 36,2334 00356 KFLAG
024630,000327: 36,2335 74336 +1
024631,000328: 36,2336 03744 STORE DELTEE
024632,000329: 36,2337 43345 JUNCT2 DLOAD DAD
024633,000330: 36,2340 03744 DELTEE
024634,000331: 36,2341 03752 TF
024635,000332: 36,2342 37752 STCALL TF
024636,000333: 36,2343 74173 BIS # RECYCLE
024637,000334: 36,2344 45214 INTERP SET DSU # HP-HPO
024638,000335: 36,2345 03461 ITSWICH
024639,000336: 36,2346 65301 NORM PDDL
024640,000337: 36,2347 00047 X1
024641,000338: 36,2350 33146 DFTMOON
024642,000339: 36,2351 45215 DAD DSU
024643,000340: 36,2352 02321 HPERMIN
024644,000341: 36,2353 02625 HP
024645,000342: 36,2354 70501 NORM SR1
024646,000343: 36,2355 00050 X2
024647,000344: 36,2356 56264 XSU,2 DDV
024648,000345: 36,2357 00046 X1
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Page 557 |
024650,000347: 36,2360 53605 DMP SR*
024651,000348: 36,2361 03744 DELTEE
024652,000349: 36,2362 57177 0 -1,2
024653,000350: 36,2363 37744 STCALL DELTEE
024654,000351: 36,2364 74337 JUNCT2
024655,000352: 36,2365 45325 HALFSAFE PDDL DSU # SAVE HP-HPLIM FOR POSSIBLE
024656,000353: 36,2366 02623 DELVEE
024657,000354: 36,2367 02633 DELVEO # SAVE THIS TOO
024658,000355: 36,2370 51406 PUSH ABS
024659,000356: 36,2371 50025 DSU BMN
024660,000357: 36,2372 33144 LIMVEL # 2 FT PS
024661,000358: 36,2373 74427 ENDEN
024662,000359: 36,2374 45345 DLOAD DSU
024663,000360: 36,2375 02321 HPERMIN
024664,000361: 36,2376 02631 HPO
024665,000362: 36,2377 77725 PDDL
024666,000363: 36,2400 71240 BMN DLOAD
024667,000364: 36,2401 74410 LRGRDVO
024668,000365: 36,2402 71244 BPL DLOAD
024669,000366: 36,2403 74344 INTERP
024670,000367: 36,2404 03744 DELTEE
024671,000368: 36,2405 57542 SR1 DCOMP
024672,000369: 36,2406 37744 STCALL DELTEE
024673,000370: 36,2407 74337 JUNCT2
024674,000371: 36,2410 77745 LRGRDVO DLOAD
024675,000372: 36,2411 71240 BMN DLOAD
024676,000373: 36,2412 74337 JUNCT2
024677,000374: 36,2413 33132 CLSEC
024678,000375: 36,2414 77650 GOTO
024679,000376: 36,2415 74333 JUNCT1
024680,000377: # TIME RAN OUT ASSUME SOLUTION IF SAFE PERICENTER
024681,000378: 36,2416 45345 RNGETEST DLOAD DSU
024682,000379: 36,2417 02625 HP
024683,000380: 36,2420 02321 HPERMIN
024684,000381: 36,2421 71240 BMN DLOAD
024685,000382: 36,2422 73254 ALARUMS
024686,000383: 36,2423 03752 TF
024687,000384: 36,2424 77625 DSU
024688,000385: 36,2425 03744 DELTEE
024689,000386: 36,2426 03752 STORE TF # TIME OF SOLUTION
024690,000387: 36,2427 77775 ENDEN VLOAD
024691,000388: 36,2430 03620 VTPRIME
024692,000389: 36,2431 65241 DOT PDDL # SG2 WITH MAGNITUDE
024693,000390: 36,2432 03632 RPASS4
024694,000391: 36,2433 02637 RELDELV
024695,000392: 36,2434 45565 SIGN STADR # NOW SIGN(RELDELV)=SIGN(SG2)
024696,000393: 36,2435 41140 STCALL RELDELV
024697,000394: 36,2436 16441 TRANSANG # COMPUTE OMEGA T, CENTRAL ANGLE
024698,000395: 36,2437 50375 VLOAD DOT
024699,000396: 36,2440 03540 RACT3
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Page 558 |
024701,000398: 36,2441 03612 VIPRIME # SG1
024702,000399: 36,2442 51165 SIGN BPL # IF POSITIVE THEN SG1 = SG2 OTHERWISE
024703,000400: 36,2443 02637 RELDELV
024704,000401: 36,2444 74454 USEKAY # SIGN(SG2-SG1)=SIGN(SG2)=SIGN(RELDELV)
024705,000402: 36,2445 57535 SLOAD DCOMP
024706,000403: 36,2446 33117 DECTWO
024707,000404: 36,2447 51165 SIGN BPL
024708,000405: 36,2450 02637 RELDELV
024709,000406: 36,2451 74462 NEXUS
024710,000407: 36,2452 52076 DCOMP GOTO
024711,000408: 36,2453 74460 USEKAY +4
024712,000409: 36,2454 43135 USEKAY SLOAD BON
024713,000410: 36,2455 33117 DECTWO
024714,000411: 36,2456 00316 KFLAG
024715,000412: 36,2457 74462 NEXUS
024716,000413: 36,2460 77625 DSU
024717,000414: 36,2461 36150 P21ONENN
024718,000415: 36,2462 17766 NEXUS STODL NN1
024719,000416: 36,2463 02625 HP
024720,000417: 36,2464 36641 STCALL POSTTPI
024721,000418: 36,2465 03657 QTEMP
024722,000419: 07,2441 BANK 07
024723,000420: 07,2000 SETLOC XANG
024724,000421: 07,2000 BANK
024725,000422: 07,2441 COUNT 07/XANG
024726,000423:
024727,000424: # CENTRAL ANGLE SUBROUTINE
024728,000425:
024729,000426: # THIS SUBROUTINE COMPUTES THE CENTRAL ANGLE OF TRAVEL OF THE
024730,000427: # PASSIVE VEHICLE DURING THE TRANSFER.
024731,000428:
024732,000429: 07,2441 40220 TRANSANG STQ SETPD
024733,000430: 07,2442 02370 SUBEXIT
024734,000431: 07,2443 00001 0
024735,000432: 07,2444 73150 LXA,1 LXA,2
024736,000433: 07,2445 03745 XRS
024737,000434: 07,2446 03746 XRS +1
024738,000435: 07,2447 53775 VLOAD VSR*
024739,000436: 07,2450 03640 VPASS4
024740,000437: 07,2451 57176 0,2
024741,000438: 07,2452 22746 STODL* VVEC
024742,000439: 07,2453 11742 MUTABLE +2,1
024743,000440: 07,2454 53715 PDVL VSR* # SQRT MU (+18 OR +15) 00D
024744,000441: 07,2455 03632 RPASS4
024745,000442: 07,2456 57176 0,2
024746,000443: 07,2457 64646 ABVAL PDDL* # MAGNITUDE OF R (+29 OR +27) 02D
024747,000444: 07,2460 11740 MUTABLE,1
024748,000445: 07,2461 47515 PDVL VSQ # 1/MU (+34 OR +28) 04D
024749,000446: 07,2462 02746 VVEC
024750,000447: 07,2463 57301 NORM DMPR # PUSH LIST AT 02D
024751,000448: 07,2464 00047 X1
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Page 559 |
024753,000450: 07,2465 53605 DMP SRR*
024754,000451: 07,2466 00003 02D
024755,000452: 07,2467 21576 0 -3,1
024756,000453: 07,2470 77621 BDSU # R V**/MU (+6)
024757,000454: 07,2471 11616 D1/32
024758,000455: 07,2472 65301 NORM PDDL
024759,000456: 07,2473 00047 X1 # (2 - R V**/MU) (+6-N)
024760,000457: 07,2474 56362 SR1R DDV # MAGNITUDE OF R (+30 OR +28)
024761,000458: 07,2475 41457 SL* PUSH # R/(2 - R V**/MU) (+29 OR +27) 02D
024762,000459: 07,2476 20174 0 -5,1
024763,000460: 07,2477 75542 SR1 SQRT
024764,000461: 07,2500 77605 DMP
024765,000462: 07,2501 65301 NORM PDDL # ASUBP*** 00D
024766,000463: 07,2502 00047 X1
024767,000464: 07,2503 56342 SR1 DDV
024768,000465: 07,2504 53605 DMP SL*
024769,000466: 07,2505 03752 TF
024770,000467: 07,2506 20201 0,1
024771,000468: 07,2507 60325 PDDL NORM
024772,000469: 07,2510 11630 2PISC
024773,000470: 07,2511 00047 X1
024774,000471: 07,2512 56325 PDDL DDV
024775,000472: 07,2513 77657 SL*
024776,000473: 07,2514 20176 0 -3,1 # CENTANG = (SQRT(MU/ASUP***)TF)
024777,000474: 07,2515 37754 STCALL CENTANG # IN REVOLUTIONS B-0
024778,000475: 07,2516 02370 SUBEXIT
024779,000476: 35,3151 BANK 35
024780,000477: 35,2000 SETLOC P17S1
024781,000478: 35,2000 BANK
024782,000479: 35,3151 COUNT 35/P17
024783,000480:
024784,000481: # TPI SEARCH DISPLAY ROUTINE
024785,000482:
024786,000483: 35,3151 04627 P17 TC AVFLAGA # AVFLAG = CSM, SET TRACK + UPDATE FLAGS
024787,000484: 35,3152 03154 TC P17.1
024788,000485: 35,3153 04642 P77 TC AVFLAGP # AVFLAG = LEM, SET TRACK + UPDATE FLAGS
024789,000486: 35,3154 04647 P17.1 TC P20FLGON # SET UPDATE FLAG
024790,000487: 35,3155 34614 CAF V06N37 # DISPLAY TTPI TIME
024791,000488: 35,3156 04575 TC VNPOOH
024792,000489: 35,3157 06006 TC INTPRET
024793,000490: 35,3160 45014 CLEAR CALL
024794,000491: 35,3161 00670 UPDATFLG
024795,000492: 35,3162 74012 S17.1 # UPDATE STATE VECTORS TO TTPI
024796,000493: 35,3163 76014 SET AXT,1
024797,000494: 35,3164 00470 UPDATFLG
024798,000495: 35,3165 00002 DEC 2 B-14 # DELTA H = 2 K POSITIVE, KFLAG OFF
024799,000496: 35,3166 76014 BOFF AXT,1
024800,000497: 35,3167 00356 KFLAG
024801,000498: 35,3170 73172 +2
024802,000499: 35,3171 00001 DEC 1 B-14 # DELTA H = 1 K NEGATIVE, KFLAG ON
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Page 560 |
024804,000501: 35,3172 77530 SXA,1 EXIT
024805,000502: 35,3173 01132 OPTION2
024806,000503: 35,3174 33263 CAF V06N72 # DISPLAY PHI, DELTA H, SEARCH OPTION K
024807,000504: 35,3175 03237 TC VNCOMP17
024808,000505: 35,3176 06006 TC INTPRET
024809,000506: 35,3177 43014 CLEAR SET
024810,000507: 35,3200 00670 UPDATFLG
024811,000508: 35,3201 00076 KFLAG
024812,000509: 35,3202 45335 SLOAD DSU
024813,000510: 35,3203 01133 OPTION2 # RESET KFLAG ON FOR OPTION =1
024814,000511: 35,3204 36150 P21ONENN # OFF FOR OPTION =2
024815,000512: 35,3205 43030 BHIZ CLEAR
024816,000513: 35,3206 73210 +2
024817,000514: 35,3207 00276 KFLAG
024818,000515: 35,3210 46135 SLOAD BHIZ
024819,000516: 35,3211 03747 XRS +1
024820,000517: 35,3212 73216 +4
024821,000518: 35,3213 52145 DLOAD GOTO
024822,000519: 35,3214 33126 HPL
024823,000520: 35,3215 73220 P17.2
024824,000521: 35,3216 77745 DLOAD
024825,000522: 35,3217 33124 HPE
024826,000523: 35,3220 36321 P17.2 STCALL HPERMIN
024827,000524: 35,3221 74070 S17.2
024828,000525: 35,3222 77414 SET EXIT
024829,000526: 35,3223 00470 UPDATFLG
024830,000527: 35,3224 34616 P17.3 CAF V06N58 # DISPLAY DELTA VTPI, DELTA VTPF, AND H
024831,000528: 35,3225 03237 TC VNCOMP17
024832,000529: 35,3226 34615 CAF V06N55 # DISPLAY PERICENTER CODE AND CENTRAL ANG,
024833,000530: 35,3227 04662 TC BANKCALL
024834,000531: 35,3230 21057 CADR GOFLASHR
024835,000532: 35,3231 04106 TC GOTOPOOH # TERMINATE PROGRAM
024836,000533: 35,3232 04106 TC GOTOPOOH # END PROGRAM
024837,000534: 35,3233 03154 TC P17.1 # RECYCLE WITH NEW TTPI OR SEARCH OPTION
024838,000535: 35,3234 35016 CAF TWO # BLANK R2
024839,000536: 35,3235 05526 TC BLANKET
024840,000537: 35,3236 15217 TCF ENDOFJOB
024841,000538: 35,3237 E4,1767 EBANK= RTRN
024842,000539:
024843,000540: 35,3237 00006 VNCOMP17 EXTEND
024844,000541: 35,3240 23766 QXCH QSAVED
024845,000542: 35,3241 55765 TS VERBNOUN
024846,000543: 35,3242 31765 CA VERBNOUN
024847,000544: 35,3243 04662 TCR BANKCALL
024848,000545: 35,3244 20720 CADR GOFLASH
024849,000546: 35,3245 03242 TC -3 # TERMINATE ILLEGAL REDISPLAY
024850,000547: 35,3246 01766 TC QSAVED # PROCEED
024851,000548: 35,3247 40154 CS MPAC # RECYCLE WITH NEW TPI TIME
024852,000549: 35,3250 65012 AD BIT6 # OR PROCEED WITH NEW SEARCH OPTION
024853,000550: 35,3251 00006 EXTEND
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024855,000552: 35,3252 13154 BZF P17.1
024856,000553: 35,3253 03242 TC VNCOMP17 +3
024857,000554: 35,3254 77414 ALARUMS SET EXIT
024858,000555: 35,3255 00470 UPDATFLG
024859,000556: 35,3256 05650 TC ALARM
024860,000557: 35,3257 00124 OCT 00124 # NO SAFE PERCENTER IN THIS SECTOR
024861,000558: 35,3260 35050 CAF V05N09
024862,000559: 35,3261 03237 TC VNCOMP17
024863,000560: 35,3262 04106 TC GOTOPOOH # PROCEED ILLEGAL TERMINATE PROGRAM
024864,000561: 35,3263 01510 V06N72 VN 0672
024865,000562:
End of include-file TPI_SEARCH.agc. Parent file is MAIN.agc