Source Code

010065,000001: # Copyright: Public domain. 010066,000002: # Filename: AOTMARK.agc 010067,000003: # Purpose: Part of the source code for Luminary 1A build 099. 010068,000004: # It is part of the source code for the Lunar Module's (LM) 010069,000005: # Apollo Guidance Computer (AGC), for Apollo 11. 010070,000006: # Assembler: yaYUL 010071,000007: # Contact: Ron Burkey <info@sandroid.org>. 010072,000008: # Website: www.ibiblio.org/apollo. 010073,000009: # Pages: 244-261 010074,000010: # Mod history: 2009-05-10 SN (Sergio Navarro). Started adapting 010075,000011: # from the Luminary131/ file of the same 010076,000012: # name, using Luminary099 page images. 010077,000013: 010078,000014: # This source code has been transcribed or otherwise adapted from 010079,000015: # digitized images of a hardcopy from the MIT Museum. The digitization 010080,000016: # was performed by Paul Fjeld, and arranged for by Deborah Douglas of 010081,000017: # the Museum. Many thanks to both. The images (with suitable reduction 010082,000018: # in storage size and consequent reduction in image quality as well) are 010083,000019: # available online at www.ibiblio.org/apollo. If for some reason you 010084,000020: # find that the images are illegible, contact me at info@sandroid.org 010085,000021: # about getting access to the (much) higher-quality images which Paul 010086,000022: # actually created. 010087,000023: 010088,000024: # Notations on the hardcopy document read, in part: 010089,000025: 010090,000026: # Assemble revision 001 of AGC program LMY99 by NASA 2021112-61 010091,000027: # 16:27 JULY 14, 1969 010092,000028: 010093,000029: # Page 244 010094,000030: 12,2000 BANK 12 010095,000031: 07,2000 SETLOC AOTMARK1 010096,000032: 07,2000 BANK 010097,000033: 010098,000034: 07,2000 E7,1551 EBANK= XYMARK 010099,000035: 07,2000 COUNT* $$/MARK 010100,000036: 010101,000037: 07,2000 00004 AOTMARK INHINT 010102,000038: 07,2001 11312 CCS MARKSTAT # SEE IF AOTMARK BUSY 010103,000039: 07,2002 02004 TC +2 # MARK SYSTEM BUSY -- DO ALARM 010104,000040: 07,2003 02006 TC EXTVBCHK 010105,000041: 07,2004 05652 TC P00DOO 010106,000042: 07,2005 00105 OCT 00105 010107,000043: 010108,000044: 07,2006 36242 EXTVBCHK CAF SIX # SEE IF EXT. VERB WORKING 010109,000045: 07,2007 71044 MASK EXTVBACT 010110,000046: 07,2010 10000 CCS A 010111,000047: 07,2011 12044 TCF MKABORT # YES -- ABORT 010112,000048: 010113,000049: 07,2012 34752 CAF BIT2 # NO -- DISALLOW SOME EXTENDED VERB ACTION 010114,000050: 07,2013 27044 ADS EXTVBACT # BIT2 RESET IN ENDMARK 010115,000051: 07,2014 10400 MKVAC CCS VAC1USE # LOOK FOR A VAC AREAD -- DO ABORT IF 010116,000052: 07,2015 12031 TCF MKVACFND # NONE AVAILABLE 010117,000053: 07,2016 10454 CCS VAC2USE 010118,000054: 07,2017 12031 TCF MKVACFND 010119,000055: 07,2020 10530 CCS VAC3USE 010120,000056: 07,2021 12031 TCF MKVACFND 010121,000057: 07,2022 10604 CCS VAC4USE 010122,000058: 07,2023 12031 TCF MKVACFND 010123,000059: 07,2024 10660 CCS VAC5USE 010124,000060: 07,2025 12031 TCF MKVACFND 010125,000061: 07,2026 52134 DXCH BUF2 010126,000062: 07,2027 05716 TC BAILOUT1 # ALL VAC AREAS OCCUPIED -- ABORT. 010127,000063: 07,2030 01207 OCT 01207 010128,000064: 010129,000065: 07,2031 64752 MKVACFND AD TWO 010130,000066: 07,2032 55312 TS MARKSTAT # STORE VAC ADR IN LOW 9 OF MARKSTAT 010131,000067: 010132,000068: 07,2033 34755 CAF ZERO 010133,000069: 07,2034 51312 INDEX MARKSTAT 010134,000070: 07,2035 53777 TS 0 -1 # ZERO IN VACUSE REG TO SHOW VAC OCCUPIED 010135,000071: 010136,000072: 07,2036 35025 CAF PRIO15 010137,000073: 07,2037 05105 TC FINDVAC # SET UP JOB FOR GETDAT 010138,000074: 07,2040 E7,1551 EBANK= XYMARK 010139,000075: 07,2040 02063 16067 2CADR GETDAT 010140,000076: 010141,000077: 07,2042 00003 RELINT 010142,000078: 07,2043 14631 TCF SWRETURN 010143,000079: # Page 245 010144,000080: 07,2044 52134 MKABORT DXCH BUF2 010145,000081: 07,2045 05716 TC BAILOUT1 # CONFLICT WITH EXTENDED VERB 010146,000082: 07,2046 01211 OCT 01211 010147,000083: 010148,000084: 07,2047 34755 MKRELEAS CAF ZERO 010149,000085: 07,2050 57312 XCH MARKSTAT # SET MARKSTAT TO ZERO 010150,000086: 07,2051 75004 MASK LOW9 # PICK UP VAC AREA AOR 010151,000087: 07,2052 10000 CCS A 010152,000088: 07,2053 50000 INDEX A 010153,000089: 07,2054 54000 TS 0 # SHOW MKVAC AREA AVAILABLE 010154,000090: 07,2055 34753 CAF ONE 010155,000091: 07,2056 04674 TC IBNKCALL 010156,000092: 07,2057 17665 CADR GOODEND # GO WAKE UP CALLING JOB 010157,000093: 010158,000094: # Page 246 010159,000095: 07,2060 34755 KILLAOT CAF ZERO 010160,000096: 07,2061 55044 TS EXTVBACT # TERMINATE AOTMARK -- ALLOW EXT VERB 010161,000097: 07,2062 06001 TC GOTOP00H 010162,000098: 07,2063 41312 GETDAT CS MARKSTAT # SET BIT12 TO DISCOURAGE MARKRUPT 010163,000099: 07,2064 74740 MASK BIT12 # BIT12 RESET AT GETMARK 010164,000100: 07,2065 27312 ADS MARKSTAT 010165,000101: 010166,000102: 07,2066 32330 CAF V01N71 # DISPLAY DETENT AND STAR CODE 010167,000103: 07,2067 04616 TC BANKCALL 010168,000104: 07,2070 20334 CADR GOMARKF 010169,000105: 010170,000106: 07,2071 12060 TCF KILLAOT # V34 -- DOES GOTOP00H 010171,000107: 07,2072 12074 TCF DODAT # V33 -- PROCEED -- USE THIS STAR FOR MARKS 010172,000108: 07,2073 12063 ENTERDAT TCF GETDAT # ENTER -- REDISPLAY STAR CODE 010173,000109: 010174,000110: 07,2074 37744 DODAT CAF HIGH9 # PICK DETENT CODE FROM BITS7-9 OF AOTCODE 010175,000111: 07,2075 70735 MASK AOTCODE # AND SEE IF CODE 1 TO 6 010176,000112: 07,2076 00006 EXTEND 010177,000113: 07,2077 74743 MP BIT9 010178,000114: 07,2100 55551 TS XYMARK # STORE DETENT 010179,000115: 010180,000116: 07,2101 00006 EXTEND 010181,000117: 07,2102 62063 BZMF GETDAT # COAS CALIBRATION CODE - NO GOOD HERE 010182,000118: 010183,000119: 07,2103 65660 AD NEG7 # SEE IF DETENT 7 FOR COAS 010184,000120: 07,2104 00006 EXTEND 010185,000121: 07,2105 12107 BZF CODE7 010186,000122: 010187,000123: 07,2106 12123 TCF CODE1TO6 010188,000124: 010189,000125: 07,2107 32331 CODE7 CAF V06N87* # CODE 7, COAS SIGHTING, GET OPTIC AXIS 010190,000126: 07,2110 04616 TC BANKCALL # AZ AND EL OF SIGHTING DEVICE FROM ASTRO 010191,000127: 07,2111 20334 CADR GOMARKF 010192,000128: 010193,000129: 07,2112 12060 TCF KILLAOT # V34 -- DOES GOTOP00H 010194,000130: 07,2113 12115 TCF +2 # PROCEED 010195,000131: 07,2114 12107 TCF CODE7 # ON ENTER, RECYCLE 010196,000132: 07,2115 00006 EXTEND 010197,000133: 07,2116 31350 DCA AZ # PICK UP AZ AND EL IN SP 25 COMP 010198,000134: 07,2117 50120 INDEX FIXLOC 010199,000135: 07,2120 52011 DXCH 8D # STORE IN 8D AND 9D OF LOCAL VAC 010200,000136: 07,2121 34755 CAF ZERO # BACKUP SYSTEM TO BE USED 010201,000137: 07,2122 12137 TCF COASCODE # ZERO APPARENT ROTATION 010202,000138: 010203,000139: 07,2123 51551 CODE1TO6 INDEX XYMARK # INDEX AOT POSITION BY DET CODE 010204,000140: 07,2124 31411 CA AOTEL -1 010205,000141: 07,2125 50120 INDEX FIXLOC 010206,000142: 07,2126 54011 TS 9D # STORE ELEVATION IN VAC+9D 010207,000143: 010208,000144: 07,2127 51551 INDEX XYMARK # INDEX DET CODE 1,2 OR 3 010209,000145: # Page 247 010210,000146: 07,2130 31403 CA AOTAZ -1 010211,000147: 07,2131 50120 INDEX FIXLOC 010212,000148: 07,2132 54010 TS 8D # STORE AZIMUTH IN VAC +8D 010213,000149: 010214,000150: 07,2133 31405 CA AOTAZ +1 # COMPENSATION FOR APPARENT ROTATION OF 010215,000151: 07,2134 00006 EXTEND # AOT FIELD OF VIEW IN LEFT AND RIGHT 010216,000152: 07,2135 50120 INDEX FIXLOC # DETENTS IS STORED IN VAC +10D IN SP 010217,000153: 07,2136 20010 MSU 8D # PRECISION ONE'S COMPLEMENT 010218,000154: 07,2137 50120 COASCODE INDEX FIXLOC 010219,000155: 07,2140 54012 TS 10D # ROT ANGLE 010220,000156: 010221,000157: 07,2141 06037 TC INTPRET # COMPUTE X AND Y PLANE VECTORS 010222,000158: 010223,000159: # Page 248 010224,000160: # THE OPTAXIS SOBROUTINE COMPUTES THE X AND Y MARK PLANE VECS AND 010225,000161: # ROTATES THEM THRU THE APPARENT FIELD OF VIEW ROTATION UNIQUE TO AOT 010226,000162: # OPTAXIS USES OANB TO COMPUTE THE OPTIC AXIS 010227,000163: 010228,000164: # INPUT -- AZIMUTH ANGLE IN SINGLE PREC AT CDU SCALE IN 8D OF JOB VAC 010229,000165: # ELEVATION ANGLE IN SINGLE PREC AT CDU SCALE IN 9D OF JOB VAC 010230,000166: # ROTATION ANGLE IN SINGLE PREC IS COMP SCALED BY PI IN 10D OF VAC 010231,000167: 010232,000168: # OUTPUT -- OPTIC AXIS VEC IN NG COORDS IN SCAXIS 010233,000169: # X-MARK PLANE 1/4VEC IN NB COORDS AT 18D OF JOB VAC 010234,000170: # Y-MARK PLANE 1/4VEC IN NB COORDS AT 12D OF JOB VAC 010235,000171: 010236,000172: 07,2142 77624 OPTAXIS CALL # GO COMPUTE OA AN X AND Y PLANE VECS 010237,000173: 07,2143 10536 OANB 010238,000174: 07,2144 70535 SLOAD SR1 # LOAD APP ROTATION IN ONES COMP 010239,000175: 07,2145 00013 10D # RESCALE BY 2PI 010240,000176: 07,2146 73406 PUSH SIN # 1/2SIN(ROT) 0-1 010241,000177: 07,2147 71525 PDDL COS 010242,000178: 07,2150 74206 PUSH VXSC # 1/2COS(ROT) 2-3 010243,000179: 07,2151 00023 18D 010244,000180: 07,2152 74325 PDDL VXSC # 1/4COS(ROT)UYP 4-9 010245,000181: 07,2153 00001 0 010246,000182: 07,2154 00031 24D # 1/4SIN(ROT)UXP 010247,000183: 07,2155 45445 BVSU STADR # UP 4-9 010248,000184: 07,2156 63762 STODL 12D # YPNB=1/4(COS(ROT)UYP-SIN(ROT)UXP) 010249,000185: 07,2157 65361 VXSC PDDL # UP 2-3 UP 0-1 FOR EXCHANGE 010250,000186: 07,2160 00031 24D # 1/4COS(ROT)UXP PUSH 0-5 010251,000187: 07,2161 53361 VXSC VAD # 1/4SIN(ROT)UYP 010252,000188: 07,2162 00023 18D # UP 0-5 010253,000189: 07,2163 77626 STADR 010254,000190: 07,2164 53754 STOVL 18D # XPNB=1/4(COS(ROT)UXP+SIN(ROT)UYP) 010255,000191: 07,2165 24007 LO6ZEROS # INITIALIZE AVE STAR VEC ACCUMULATOR 010256,000192: 07,2166 02715 STORE STARAD +6 010257,000193: 07,2167 77776 EXIT 010258,000194: 07,2170 12202 TCF GETMKS 010259,000195: 010260,000196: # Page 249 010261,000197: # THE OANB SUBROUTINE COMPUTES THE OPTIC AXIS OF THE SIGHTING INSTRUMENT 010262,000198: # FROM AZIMUTH AND ELEVATION INPUT FROM THE ASTRONAUT. 010263,000199: 010264,000200: # INPUT -- AZIMUTH ANGLE IN SINGLE PREC 2'S COMP IN 8D OF JOB VAC 010265,000201: # ELEVATION ANGLE IN SINGLE PREC 2'S COMP IN 9D OF VAC 010266,000202: 010267,000203: # OUTPUT -- OPTIC AXIS IN NB COORDS. IN SCAXIS 010268,000204: # X-PLANE 1/2VEC IN NB COORDS AT 24D OF VAC 010269,000205: # Y-PLANE 1/2VEC IN NB COORDS AT 18D OF VAC 010270,000206: 010271,000207: 05,3402 BANK 05 010272,000208: 04,2000 SETLOC AOTMARK2 010273,000209: 04,2000 BANK 010274,000210: 010275,000211: 04,2536 COUNT* $$/MARK 010276,000212: 010277,000213: 04,2536 44001 OANB SETPD STQ 010278,000214: 04,2537 00001 0 010279,000215: 04,2540 02736 GCTR # STORE RETURN 010280,000216: 04,2541 47135 SLOAD RTB 010281,000217: 04,2542 00012 9D # PICK UP SP ELV 010282,000218: 04,2543 21576 CDULOGIC 010283,000219: 04,2544 71406 PUSH COS 010284,000220: 04,2545 73525 PDDL SIN # 1/2COS(ELV) PD 0-1 010285,000221: 04,2546 77626 STADR 010286,000222: 04,2547 60012 STODL SCAXIS # OAX=1/2SIN(ELV) 010287,000223: 04,2550 00011 8D 010288,000224: 04,2551 77634 RTB 010289,000225: 04,2552 21576 CDULOGIC 010290,000226: 04,2553 71406 PUSH COS 010291,000227: 04,2554 00025 STORE 20D # STORE UYP(Y) 20-21 010292,000228: 04,2555 73525 PDDL SIN # 1/2COS(AZ) PD 2-3 010293,000229: 04,2556 57406 PUSH DCOMP # PUSH 1/2S IN (AZ) 4-5 010294,000230: 04,2557 14027 STODL 22D # STORE UYP(Z) 22-23 010295,000231: 04,2560 24007 LO6ZEROS 010296,000232: 04,2561 14023 STODL 18D # STORE UYP(X) 18-19 010297,000233: 04,2562 72405 DMP SL1 010298,000234: 04,2563 00001 0 010299,000235: 04,2564 17767 STODL SCAXIS +2 # OAY=1/2COS(ELV)SIN(AZ) 010300,000236: 04,2565 72405 DMP SL1 # UP 2-3 010301,000237: 04,2566 77626 STADR # UP 0-1 010302,000238: 04,2567 50006 STOVL SCAXIS +4 # OAZ=1/2COS(ELV)COS(AZ) 010303,000239: 04,2570 00023 18D # LOAD UYP VEC 010304,000240: 04,2571 53435 VXV UNIT 010305,000241: 04,2572 03765 SCAXIS # UXP VEC=UYP X OA 010306,000242: 04,2573 00031 STORE 24D # STORE UXP 010307,000243: 04,2574 77650 GOTO 010308,000244: 04,2575 02736 GCTR 010309,000245: # Page 250 010310,000246: # SURFSTAR COMPUTES A STAR VECTOR IN SM COORDINAGES FOR LUNAR 010311,000247: # SURFACE ALIGNMENT AND EXITS TO AVEIT TO AVERAGE STAR VECTORS. 010312,000248: # 010313,000249: # GIVEN X-MARK PLANE 1/4 VEC IN NB AT 18D OF LOCAL VAC 010314,000250: # Y-MARK PLANE 1/4 VEC IN NB AT 12D OF LOCAL VAC 010315,000251: # CURSOR SP 2COMP AT POSITION 1 OF INDEXED MARKVAC 010316,000252: # SPIRAL SP 2COMP AT POSITION 3 OF INDEXED MARKVAC 010317,000253: # CDUY,Z,X AT POSITIONS 0,2,4 OF INDEXED MARKVAC 010318,000254: 010319,000255: 15,2000 BANK 15 010320,000256: 15,2000 SETLOC P50S 010321,000257: 15,2000 BANK 010322,000258: 15,2000 COUNT* $$/R59 010323,000259: 010324,000260: 15,2000 77773 SURFSTAR VLOAD* 010325,000261: 15,2001 00001 0,1 # PUT X-MARK CDUS IN CDUSPOT FOR TRG*NBSM 010326,000262: 15,2002 00767 STORE CDUSPOT 010327,000263: 15,2003 47133 SLOAD* RTB 010328,000264: 15,2004 00002 1,1 # PICK UP YROT 010329,000265: 15,2005 21576 CDULOGIC 010330,000266: 15,2006 00031 STORE 24D # STORE CURSOR FOR SPIRAL COMP (REVS) 010331,000267: 15,2007 77654 BZE 010332,000268: 15,2010 16171 YZCHK # IF YROT ZERO -- SEE IF SROT ZERO 010333,000269: 15,2011 71406 JUSTZY PUSH COS 010334,000270: 15,2012 73525 PDDL SIN # 1/2COS(YROT) 0-1 010335,000271: 15,2013 65361 VXSC PDDL # UP 0-1 1/8SIN(YROT)UXP 0-5 010336,000272: 15,2014 00023 18D 010337,000273: 15,2015 52361 VXSC VSU # UP 0-5 010338,000274: 15,2016 00015 12D # UYP 010339,000275: 15,2017 47256 UNIT VXV 010340,000276: 15,2020 03765 SCAXIS 010341,000277: 15,2021 41456 UNIT PUSH 010342,000278: 15,2022 47133 SLOAD* RTB 010343,000279: 15,2023 00004 3,1 # PICK UP SPIRAL 010344,000280: 15,2024 21576 CDULOGIC 010345,000281: 15,2025 00033 STORE 26D # STORE SPIRAL (REVS) 010346,000282: 15,2026 43225 DSU DAD 010347,000283: 15,2027 00031 24D 010348,000284: 15,2030 32047 ABOUTONE 010349,000285: 15,2031 77605 DMP 010350,000286: 15,2032 32466 DP1/12 010351,000287: 15,2033 00033 STORE 26D # SEP=(360 + SPIRAL -CURSOR)/12 010352,000288: 15,2034 74356 SIN VXSC # UP 0-5 010353,000289: 15,2035 65372 VSL1 PDDL # 1/2SIN(SEP)(UPP X OA) 0-5 010354,000290: 15,2036 00033 26D 010355,000291: 15,2037 74346 COS VXSC 010356,000292: 15,2040 03765 SCAXIS 010357,000293: 15,2041 53372 VSL1 VAD # UP 0-5 010358,000294: 15,2042 45056 JUSTOA UNIT CALL 010359,000295: 15,2043 47664 TRG*NBSM 010360,000296: 15,2044 34031 STCALL 24D # STAR VEC IN SM 010361,000297: 15,2045 16276 AVEIT # GO AVERAGE 010362,000298: # Page 251 010363,000299: 15,2046 37777 37775 ABOUTONE 2DEC .99999999 010364,000300: 010365,000301: 15,2050 15,2465 DP1/12 EQUALS DEG30 # .08333333 010366,000302: 07,2171 BANK 7 010367,000303: 07,2000 SETLOC AOTMARK1 010368,000304: 07,2000 BANK 010369,000305: 07,2171 COUNT* $$/MARK 010370,000306: 07,2171 53133 YZCHK SLOAD* BZE # YROT ZERO AND IF SROT ZERO FORCE STAR 010371,000307: 07,2172 00004 3,1 # ALONG OPTIC AXIS 010372,000308: 07,2173 16177 YSZERO 010373,000309: 07,2174 52145 DLOAD GOTO 010374,000310: 07,2175 00031 24D 010375,000311: 07,2176 32011 JUSTZY # SROT NOT ZERO -- CONTINUE NORMALLY 010376,000312: 07,2177 52175 YSZERO VLOAD GOTO 010377,000313: 07,2200 03765 SCAXIS 010378,000314: 07,2201 32042 JUSTOA 010379,000315: 010380,000316: # Page 252 010381,000317: # THE GETMKS ROUTINE INITIALIZES THE SIGHTING MARK PROCEDURE 010382,000318: 010383,000319: 07,2202 34755 GETMKS CAF ZERO # INITIALIZE MARK ID REGISTER AND MARK CNT 010384,000320: 07,2203 55551 TS XYMARK 010385,000321: 07,2204 55550 TS MARKCNTR 010386,000322: 07,2205 35004 CAF LOW9 # ZERO BITS10 TO 15 RETAINING MKVAC ADR 010387,000323: 07,2206 71312 MASK MARKSTAT 010388,000324: 07,2207 55312 TS MARKSTAT 010389,000325: 07,2210 32621 CAF MKVB54* # DISPLAY VB54 INITIALLY 010390,000326: 07,2211 04616 PASTIT TC BANKCALL 010391,000327: 07,2212 20345 CADR GOMARK4 010392,000328: 010393,000329: 07,2213 12060 TCF KILLAOT # V34 -- DOES GOTOP00H 010394,000330: 07,2214 12216 TCF MARKCHEX # VB33 -- PROCEED, GOT MARKS, COMPUTE LOS 010395,000331: 07,2215 12063 TCF GETDAT # ENTER -- RECYCLE TO V01N71 010396,000332: 010397,000333: 07,2216 41312 MARKCHEX CS MARKSTAT # SET BIT12 TO DISCOURAGE MARKRUPT 010398,000334: 07,2217 74740 MASK BIT12 010399,000335: 07,2220 27312 ADS MARKSTAT 010400,000336: 07,2221 75004 MASK LOW9 010401,000337: 07,2222 55551 TS XYMARK # JAM MARK VAC ADR IN XYMARK FOR AVESTAR 010402,000338: 07,2223 34755 CAF ZERO 010403,000339: 07,2224 55552 TS MKDEX # SET MKDEX ZERO FOR LOS VEC CNTR 010404,000340: 07,2225 31312 CA MARKSTAT 010405,000341: 07,2226 75015 MASK PRIO3 # SEE IF LAST MK PART COMPLETE 010406,000342: 07,2227 54001 TS L 010407,000343: 07,2230 35015 CAF PRIO3 # BITS10 AND 11 010408,000344: 07,2231 00006 EXTEND 010409,000345: 07,2232 06001 RXOR LCHAN 010410,000346: 07,2233 00006 EXTEND 010411,000347: 07,2234 12241 BZF AVESTAR # LAST PAIR COMPLETE -- TO COMPUTE LOS 010412,000348: 07,2235 11550 CNTCHK CCS MARKCNTR # NO PAIR SHOWING -- SEE IF PAIR IN HOLD 010413,000349: 07,2236 12240 TCF +2 # PAIR BURIED -- DECREMENT COUNTER 010414,000350: 07,2237 12325 TCF MKALARM # NO PAIR -- ALARM 010415,000351: 07,2240 55550 TS MARKCNTR # STORE DECREMENTED COUNTER 010416,000352: 010417,000353: 07,2241 34740 AVESTAR CAF BIT12 # INITIALIZE MKDEX FOR STAR LOS COUNTER 010418,000354: 07,2242 27552 ADS MKDEX # MKDEX WAS INITIALIZED ZERO IN MARKCHEX 010419,000355: 07,2243 41550 CS MARKCNTR 010420,000356: 07,2244 00006 EXTEND 010421,000357: 07,2245 76242 MP SIX # GET C(L) = -6 MARKCNTR 010422,000358: 07,2246 41551 CS XYMARK 010423,000359: 07,2247 60001 AD L # ADD -- MARK VAC ADR SET IN MARKCHEX 010424,000360: 07,2250 50120 INDEX FIXLOC 010425,000361: 07,2251 54046 TS X1 # JAM -- CDU ADR OF X-MARK IN X1 010426,000362: 010427,000363: 07,2252 30120 CA FIXLOC # SET PD POINTER TO ZERO 010428,000364: 07,2253 54166 TS PUSHLOC 010429,000365: 010430,000366: 07,2254 06037 TC INTPRET 010431,000367: # Page 253 010432,000368: 07,2255 76614 BON VLOAD* 010433,000369: 07,2256 04307 SURFFLAG # IF ON SURFACE COMPUTE VEC AT SURFSTAR 010434,000370: 07,2257 32000 SURFSTAR 010435,000371: 07,2260 00002 1,1 # PUT Y-MARK CDUS IN CDUSPOT FOR TRG*NBSM 010436,000372: 07,2261 24767 STOVL CDUSPOT 010437,000373: 07,2262 00015 12D # LOAD Y-PLANE VECTOR IN NG 010438,000374: 07,2263 77624 CALL 010439,000375: 07,2264 47664 TRG*NBSM # CONVERT IT TO STABLE MEMBER 010440,000376: 07,2265 76606 PUSH VLOAD* 010441,000377: 07,2266 00001 0,1 # PUT X-MARK CDUS IN CDUSPOT FOR TRG*NBSM 010442,000378: 07,2267 24767 STOVL CDUSPOT 010443,000379: 07,2270 00023 18D # LOAD X-PLANE VECTOR IN NB 010444,000380: 07,2271 77624 CALL 010445,000381: 07,2272 47664 TRG*NBSM # CONVERT IT TO STABLE-MEMBER 010446,000382: 07,2273 53435 VXV UNIT # UNIT(XPSM * YPSM) 010447,000383: 07,2274 77626 STADR 010448,000384: 07,2275 77746 STORE 24D 010449,000385: 010450,000386: 07,2276 63335 AVEIT SLOAD PDVL # N(NUMBER OF VECS) IN 0-1 010451,000387: 07,2277 03553 MKDEX 010452,000388: 07,2300 00031 24D # LOAD CURRENT VECTOR 010453,000389: 07,2301 70322 VSR3 V/SC 010454,000390: 07,2302 00001 0 010455,000391: 07,2303 14031 STODL 24D # VEC/N 010456,000392: 07,2304 00001 0 010457,000393: 07,2305 56225 DSU DDV 010458,000394: 07,2306 16623 DP1/8 # (N-1)/N 010459,000395: 07,2307 53361 VXSC VAD 010460,000396: 07,2310 02715 STARAD +6 # ADD VEC TO PREVIOUSLY AVERAGED VECTOR 010461,000397: 07,2311 00031 24D # (N-1)/N AVESTVEC + VEC/N 010462,000398: 07,2312 02715 STORE STARAD +6 # AVERAGE STAR VECTOR 010463,000399: 07,2313 02767 STORE STARSAV2 010464,000400: 07,2314 77776 EXIT 010465,000401: 07,2315 11550 CCS MARKCNTR # SEE IF ANOTHER MARK PAIR IN MKVAC 010466,000402: 07,2316 12240 TCF AVESTAR -1 # THERE IS -- GO GET IT -- DECREMENT COUNTER 010467,000403: 07,2317 34756 ENDMARKS CAF FIVE # NO MORE MARKS -- TERMINATE AOTMARK 010468,000404: 07,2320 00004 INHINT 010469,000405: 07,2321 05203 TC WAITLIST 010470,000406: 07,2322 E7,1551 EBANK= XYMARK 010471,000407: 07,2322 02047 16067 2CADR MKRELEAS 010472,000408: 010473,000409: 07,2324 05472 TC ENDMARK 010474,000410: 010475,000411: 07,2325 05567 MKALARM TC ALARM # NOT A PAIR TO PROCESS -- DO GETMKS 010476,000412: 07,2326 00111 OCT 111 010477,000413: 07,2327 12202 TCF GETMKS 010478,000414: 010479,000415: 07,2330 00307 V01N71 VN 171 010480,000416: 07,2331 01527 V06N87* VN 687 010481,000417: 010482,000418: # Page 254 010483,000419: # MARKRUPT IS ENTERED FROM INTERRUPT LEAD-INS AND PROCESSES CHANNEL 16 010484,000420: # CAUSED BY X,Y MARK OR MARK REJECT OR BY THE RATE OF DESCENT SWITCH 010485,000421: 010486,000422: 07,2332 54016 MARKRUPT TS BANKRUPT 010487,000423: 07,2333 30033 CA CDUY # STORE CDUS AND TIME NOW -- THEN SEE IF 010488,000424: 07,2334 54063 TS ITEMP3 # WE NEED THEM 010489,000425: 07,2335 30034 CA CDUZ 010490,000426: 07,2336 54064 TS ITEMP4 010491,000427: 07,2337 30032 CA CDUX 010492,000428: 07,2340 54065 TS ITEMP5 010493,000429: 07,2341 00006 EXTEND 010494,000430: 07,2342 30025 DCA TIME2 010495,000431: 07,2343 52062 DXCH ITEMP1 010496,000432: 07,2344 56002 XCH Q 010497,000433: 07,2345 54012 TS QRUPT 010498,000434: 010499,000435: 07,2346 32624 CAF OCT34 # SEE IF X OR Y MARK OR MKREJECT 010500,000436: 07,2347 00006 EXTEND 010501,000437: 07,2350 02016 RAND NAVKEYIN 010502,000438: 07,2351 10000 CCS A 010503,000439: 07,2352 12354 TCF +2 # ITS A LIVE ONE -- SEE IF ITS WANTED 010504,000440: 07,2353 12404 TCF SOMEKEY # ITS SOME OTHER KEY 010505,000441: 010506,000442: 07,2354 34740 CAF BIT12 # ARE WE ASKING FOR A MARK 010507,000443: 07,2355 71312 MASK MARKSTAT 010508,000444: 07,2356 10000 CCS A 010509,000445: 07,2357 05270 TC RESUME # DON'T WANT MARK OR MKREJECT -- DO NOTHING 010510,000446: 010511,000447: 07,2360 11312 CCS MARKSTAT # ARE MARKS BEING ACCEPTED 010512,000448: 07,2361 12365 TCF FINDKEY # THEY ARE -- WHICH ONE IS IT 010513,000449: 07,2362 05567 TC ALARM # MARKS NOT BEING ACCEPTED -- DO ALARM 010514,000450: 07,2363 00112 OCT 112 010515,000451: 07,2364 05270 TC RESUME 010516,000452: 010517,000453: 07,2365 34747 FINDKEY CAF BIT5 # SEE IF MARK REJECT. 010518,000454: 07,2366 00006 EXTEND 010519,000455: 07,2367 02016 RAND NAVKEYIN 010520,000456: 07,2370 10000 CCS A 010521,000457: 07,2371 12461 TCF MKREJ # IT'S A MARK REJECT 010522,000458: 010523,000459: 07,2372 34750 CAF BIT4 # SEE IF Y MARK 010524,000460: 07,2373 00006 EXTEND 010525,000461: 07,2374 02016 RAND NAVKEYIN 010526,000462: 07,2375 10000 CCS A 010527,000463: 010528,000464: 07,2376 12422 TCF YMKRUPT # IT'S A Y MARK 010529,000465: 010530,000466: 07,2377 34751 CAF BIT3 # SEE IF X MARK 010531,000467: 07,2400 00006 EXTEND 010532,000468: 07,2401 02016 RAND NAVKEYIN 010533,000469: 010534,000470: # Page 255 010535,000471: 07,2402 10000 CCS A 010536,000472: 07,2403 12416 TCF XMKRUPT # IT'S A X MARK 010537,000473: 010538,000474: 07,2404 34776 SOMEKEY CAF OCT140 # NOT MARK OR MKREJECT -- SEE IF DESCENT BITS 010539,000475: 07,2405 00006 EXTEND 010540,000476: 07,2406 02016 RAND NAVKEYIN 010541,000477: 07,2407 00006 EXTEND 010542,000478: 07,2410 12413 BZF +3 # IF NO BITS 010543,000479: 010544,000480: 07,2411 04635 TC POSTJUMP # IF DESCENT BITS 010545,000481: 07,2412 40115 CADR DESCBITS 010546,000482: 010547,000483: 07,2413 05567 TC ALARM # NO INBITS IN CHANNEL 16. 010548,000484: 07,2414 00113 OCT 113 010549,000485: 010550,000486: 07,2415 05270 TC RESUME 010551,000487: 010552,000488: 07,2416 34755 XMKRUPT CAF ZERO 010553,000489: 07,2417 54070 TS RUPTREG1 # SET X MARK STORE INDEX TO ZERO 010554,000490: 07,2420 34742 CAF BIT10 010555,000491: 07,2421 12425 TCF +4 010556,000492: 07,2422 34753 YMKRUPT CAF ONE 010557,000493: 07,2423 54070 TS RUPTREG1 # SET Y MARK STORE INDEX TO ONE 010558,000494: 07,2424 34741 CAF BIT11 010559,000495: 07,2425 55551 TS XYMARK # SET MARK IDENTIFICATION 010560,000496: 010561,000497: 07,2426 02514 TC MARKTYPE # SEE IF SURFACE MARK 010562,000498: 07,2427 12521 TCF SURFSTOR # SURFACE MARK -- JUST STORE CDUS 010563,000499: 010564,000500: 07,2430 34736 CAF BIT14 # GOT A MARK -- SEE IF MARK PARI MADE 010565,000501: 07,2431 71312 MASK MARKSTAT 010566,000502: 07,2432 00006 EXTEND 010567,000503: 07,2433 12444 BZF VERIFYMK # NOT A PAIR, NORMAL PROCEDURE 010568,000504: 07,2434 41550 CS MARKCNTR # GO A PAIR, SEE IF ANOTHER CAN BE MADE 010569,000505: 07,2435 64751 AD FOUR # IF SO, INCREMENT POINTER, CLEAR BITS 10,11 010570,000506: 07,2436 00006 EXTEND 010571,000507: 07,2437 62454 BZMF 5MKALARM # HAVE FIVE MARK PAIRS -- DON'T ALLOW MARK 010572,000508: 07,2440 25550 INCR MARKCNTR # OK FOR ANOTHER PAIR, INCR POINTER 010573,000509: 07,2441 47711 CS PRIO23 # CLEAR BITS 10,11,14 FOR NEXT PAIR 010574,000510: 07,2442 71312 MASK MARKSTAT 010575,000511: 07,2443 55312 TS MARKSTAT 010576,000512: 010577,000513: 07,2444 31551 VERIFYMK CA XYMARK 010578,000514: 07,2445 71312 MASK MARKSTAT 010579,000515: 07,2446 10000 CCS A 010580,000516: 07,2447 12451 TCF +2 # THIS MARK NOT DESIRED 010581,000517: 07,2450 12526 TCF VACSTOR # MARK DESIRED -- STORE CDUS 010582,000518: 07,2451 05567 TC ALARM 010583,000519: 07,2452 00114 OCT 114 010584,000520: 07,2453 05270 TC RESUME # RESUME -- DISPLAY UNCHANGED -- WAIT FOR ACTION 010585,000521: 010586,000522: # Page 256 010587,000523: 07,2454 05567 5MKALARM TC ALARM # ATTEMPTING TO MAKE MORE THAN 5 MK PAIRS 010588,000524: 07,2455 00107 OCT 107 010589,000525: 07,2456 02514 TC MARKTYPE # SEE IF SURFACE MARK 010590,000526: 07,2457 12627 TCF DSPV6N79 # IT IS 010591,000527: 07,2460 05270 TC RESUME # DON'T CHANGE DISPLAY -- DO NOTHING 010592,000528: 010593,000529: # Page 257 010594,000530: 07,2461 02514 MKREJ TC MARKTYPE # SEE IF SURFACE 010595,000531: 07,2462 12507 TCF SURFREJ # SURFACE -- JUST CHECK MARK COUNTER 010596,000532: 010597,000533: 07,2463 35015 CAF PRIO3 # INFLIGHT -- SEE IF MARKS MADE 010598,000534: 07,2464 71312 MASK MARKSTAT 010599,000535: 07,2465 10000 CCS A 010600,000536: 07,2466 12472 TCF REJECT # MARKS MADE -- REJECT ONE 010601,000537: 07,2467 05567 REJALM TC ALARM # NO MARK TO REJECT -- BAD PROCEDURE -- ALARM 010602,000538: 07,2470 00115 OCT 115 010603,000539: 07,2471 05270 TC RESUME # DESIRED ACTION DISPLAYED 010604,000540: 010605,000541: 07,2472 44355 REJECT CS PRIO30 # ZERO BIT14, SHOW REJ., SEE IF MARK SINCE 010606,000542: 07,2473 71312 MASK MARKSTAT # LAST REJECT 010607,000543: 07,2474 64737 AD BIT13 010608,000544: 07,2475 57312 XCH MARKSTAT 010609,000545: 07,2476 74737 MASK BIT13 010610,000546: 07,2477 10000 CCS A 010611,000547: 07,2500 12505 TCF REJECT2 # ANOTHER REJECT SET BIT 10+11 TO ZERO 010612,000548: 010613,000549: 07,2501 41551 CS XYMARK # MARK MADE SINCE REJECT -- REJECT MARK IN 1D 010614,000550: 07,2502 71312 RENEWMK MASK MARKSTAT 010615,000551: 07,2503 55312 TS MARKSTAT 010616,000552: 07,2504 12577 TCF REMARK # GO REQUEST NEW MARK ACTION 010617,000553: 010618,000554: 07,2505 45015 REJECT2 CS PRIO3 # ON SECOND REJECT -- DISPLAY VB53 AGAIN 010619,000555: 07,2506 12502 TCF RENEWMK 010620,000556: 010621,000557: 07,2507 11550 SURFREJ CCS MARKCNTR # IF MARK DECREMENT COUNTER 010622,000558: 07,2510 12512 TCF +2 010623,000559: 07,2511 12467 TCF REJALM # NO MARKS TO REJECT -- ALARM 010624,000560: 07,2512 55550 TS MARKCNTR 010625,000561: 07,2513 05270 TC RESUME 010626,000562: 010627,000563: # Page 258 010628,000564: # MARKTYPE TESTS TO SEE IF LEM ON LUNAR SURFACE. IF IT IS RETURN TO LOC+1 010629,000565: 010630,000566: 07,2514 40104 MARKTYPE CS FLAGWRD8 # SURFFLAG ******** TEMPORARY ****** 010631,000567: 07,2515 74744 MASK BIT8 010632,000568: 07,2516 10000 CCS A 010633,000569: 07,2517 24002 INCR Q # IF SURFACE MARK RETURN TO LOC +1 010634,000570: 07,2520 00002 TC Q # IF INFLIGHT MARK RETURN TO LOC +2 010635,000571: 010636,000572: 07,2521 34755 SURFSTOR CAF ZERO # FOR SURFACE MARK ZERO MARK KIND INDEX 010637,000573: 07,2522 54070 TS RUPTREG1 010638,000574: 010639,000575: 07,2523 41312 CS MARKSTAT # SET BITS10,11 TO SHOW SURFACE MARK 010640,000576: 07,2524 75015 MASK PRIO3 # FOR MARKCHEX 010641,000577: 07,2525 27312 ADS MARKSTAT 010642,000578: 010643,000579: 07,2526 35004 VACSTOR CAF LOW9 010644,000580: 07,2527 71312 MASK MARKSTAT # STORE MARK VAC ADR IN RUPTREG2 010645,000581: 07,2530 54071 TS RUPTREG2 010646,000582: 07,2531 00006 EXTEND 010647,000583: 07,2532 30062 DCA ITEMP1 # PICK UP MARKTIME 010648,000584: 07,2533 53562 DXCH TSIGHT # STORE LAST MARK TIME 010649,000585: 07,2534 31550 CA MARKCNTR # 6 X MARKCNTR FOR STORE INDEX 010650,000586: 07,2535 00006 EXTEND 010651,000587: 07,2536 76242 MP SIX 010652,000588: 07,2537 56001 XCH L # GET INDEX FROM LOW ORDER PART 010653,000589: 07,2540 60071 AD RUPTREG2 # SET CDU STORE INDEX TO MARKVAC 010654,000590: 07,2541 26070 ADS RUPTREG1 # INCREMENT VAC PICKUP BY MARK FOR FLIGHT 010655,000591: 07,2542 55552 TS MKDEX # STORE HERE IN CASE OF SURFACE MARK 010656,000592: 07,2543 30063 CA ITEMP3 010657,000593: 07,2544 50070 INDEX RUPTREG1 010658,000594: 07,2545 54000 TS 0 # STORE CDUY 010659,000595: 07,2546 30064 CA ITEMP4 010660,000596: 07,2547 50070 INDEX RUPTREG1 010661,000597: 07,2550 54002 TS 2 # STORE CDUZ 010662,000598: 07,2551 30065 CA ITEMP5 010663,000599: 07,2552 50070 INDEX RUPTREG1 010664,000600: 07,2553 54004 TS 4 # STORE CDUX 010665,000601: 07,2554 02514 TC MARKTYPE # IF SURFACE MARK -- JUST DO SURFJOB 010666,000602: 07,2555 12604 TCF SURFJOB 010667,000603: 010668,000604: 07,2556 34737 CAF BIT13 # CLEAR BIT13 TO SHOW MARK MADE 010669,000605: 07,2557 61551 AD XYMARK # SET MARK ID IN MARKSTAT 010670,000606: 07,2560 40000 COM 010671,000607: 07,2561 71312 MASK MARKSTAT 010672,000608: 07,2562 61551 AD XYMARK 010673,000609: 07,2563 55312 TS MARKSTAT 010674,000610: 07,2564 75015 MASK PRIO3 # SEE IF X, Y MARK MADE 010675,000611: 07,2565 54001 TS L 010676,000612: 010677,000613: # Page 259 010678,000614: 07,2566 35015 CA PRIO3 010679,000615: 07,2567 00006 EXTEND 010680,000616: 07,2570 06001 RXOR LCHAN 010681,000617: 07,2571 10000 CCS A 010682,000618: 07,2572 12577 TCF REMARK # NOT PAIR YET, DISPLAY MARK ACTION 010683,000619: 07,2573 41312 CS MARKSTAT # MARK PAIR COMPLETE -- SET BIT14 010684,000620: 07,2574 74736 MASK BIT14 010685,000621: 07,2575 27312 ADS MARKSTAT 010686,000622: 07,2576 12577 TCF REMARK # GO DISPLAY V54 010687,000623: 010688,000624: # Page 260 010689,000625: 07,2577 35015 REMARK CAF PRIO3 # BITS 10 AND 11 010690,000626: 07,2600 71312 MASK MARKSTAT 010691,000627: 07,2601 00006 EXTEND 010692,000628: 07,2602 74746 MP BIT6 # SHIFT MARK IDS TO BE 0 TO 3 FOR INDEX 010693,000629: 07,2603 55552 TS MKDEX # STORE VERB INDEX 010694,000630: 07,2604 35025 SURFJOB CAF PRIO15 010695,000631: 07,2605 05072 TC NOVAC # ENTER JOB TO CHANGE DISPLAY TO 010696,000632: 07,2606 E7,1551 EBANK= XYMARK # REQUEST NEXT ACTION 010697,000633: 07,2606 02611 16067 2CADR CHANGEVB 010698,000634: 010699,000635: 07,2610 05270 TC RESUME 010700,000636: 010701,000637: 07,2611 02514 CHANGEVB TC MARKTYPE 010702,000638: 07,2612 12627 TCF DSPV6N79 # SURFACE -- DISPLAY V 06 N 79 010703,000639: 07,2613 51552 INDEX MKDEX # INFLIGHT -- PICK UP MARK VB INDEX 010704,000640: 07,2614 32616 CAF MKVB54 010705,000641: 07,2615 02211 TC PASTIT # PASTE UP NEXT MK VERB DISPLAY 010706,000642: 010707,000643: # THE FOUR MKVBS ARE INDEXED -- THEIR ORDER CANNOT BE CHANGED 010708,000644: 010709,000645: 07,2616 15507 MKVB54 VN 5471 # MAKE X OR Y MARK 010710,000646: 07,2617 15307 MKVB53 VN 5371 # MAKE Y MARK 010711,000647: 07,2620 15107 MKVB52 VN 5271 # MAKE X MARK 010712,000648: 07,2621 15507 MKVB54* VN 5471 # MAKE X OR Y MARK 010713,000649: 07,2622 04000 00000 DP1/8 2DEC .125 010714,000650: 010715,000651: 07,2624 00034 OCT34 OCT 34 010716,000652: 07,2625 01507 V06N71 VN 671 010717,000653: 07,2626 01517 V06N79* VN 679 010718,000654: 010719,000655: # Page 261 010720,000656: # ROUTINE TO REQUEST CURSOR AND SPIRAL MEASUREMENTS 010721,000657: 07,2627 COUNT* $$/R59 010722,000658: 010723,000659: 07,2627 32626 DSPV6N79 CAF V06N79* # CURSOR -- SPIRAL DISPLAY 010724,000660: 07,2630 04616 TC BANKCALL 010725,000661: 07,2631 20334 CADR GOMARKF 010726,000662: 010727,000663: 07,2632 12060 TCF KILLAOT # V34 -- DOES GOTOP00H 010728,000664: 07,2633 12641 TCF SURFEND # V33 -- PROCEED, END MARKING 010729,000665: 07,2634 34746 CAF BIT6 # IF V32(OCT40) IN MPAC DO RECYCLE 010730,000666: 07,2635 70154 MASK MPAC # OTHERWISE IT IS LOAD VB ENTER SO 010731,000667: 07,2636 10000 CCS A # RE-DISPLAY V06N79 010732,000668: 07,2637 12645 TCF SURFAGAN # VB32 -- RECYCLE 010733,000669: 07,2640 12627 TCF DSPV6N79 # ENTER 010734,000670: 010735,000671: 07,2641 44736 SURFEND CS BIT14 # SET BIT14 TO SHOW MARK END 010736,000672: 07,2642 71312 MASK MARKSTAT 010737,000673: 07,2643 64736 AD BIT14 010738,000674: 07,2644 55312 TS MARKSTAT 010739,000675: 010740,000676: 07,2645 31236 SURFAGAN CA CURSOR 010741,000677: 07,2646 51552 INDEX MKDEX # HOLDS VAC AREA POINTER FOR SURF MARKING 010742,000678: 07,2647 54001 TS 1 # STORE CURSOR SP 2COMP 010743,000679: 07,2650 31240 CA SPIRAL 010744,000680: 07,2651 51552 INDEX MKDEX 010745,000681: 07,2652 54003 TS 3 # STORE SPIRAL 010746,000682: 010747,000683: 07,2653 41312 CS MARKSTAT # IF BIT 14 SET -- END MARKING 010748,000684: 07,2654 74736 MASK BIT14 010749,000685: 07,2655 00006 EXTEND 010750,000686: 07,2656 12216 BZF MARKCHEX 010751,000687: 07,2657 31550 CA MARKCNTR # THIS IS RECYCLE -- SEE IF 5 MARKS ALREADY 010752,000688: 07,2660 64753 AD ONE 010753,000689: 07,2661 40000 COM 010754,000690: 07,2662 64756 AD FIVE 010755,000691: 07,2663 00006 EXTEND 010756,000692: 07,2664 62454 BZMF 5MKALARM # CAN'T RECYCLE -- TOO MANY MARKS -- ALARM 010757,000693: 07,2665 25550 INCR MARKCNTR # OF FOR RECYCLE -- INCR COUNTER 010758,000694: 07,2666 12205 TCF GETMKS +3 # GO DISPLAY MARK VB 010759,000695: End of include-file AOTMARK.agc. Parent file is MAIN.agc