Source Code
047408,000001: # Copyright: Public domain.
047409,000002: # Filename: WAITLIST.agc
047410,000003: # Purpose: Part of the source code for Luminary 1A build 099.
047411,000004: # It is part of the source code for the Lunar Module's (LM)
047412,000005: # Apollo Guidance Computer (AGC), for Apollo 11.
047413,000006: # Assembler: yaYUL
047414,000007: # Contact: Ron Burkey <info@sandroid.org>.
047415,000008: # Website: www.ibiblio.org/apollo.
047416,000009: # Pages: 1117-1132
047417,000010: # Mod history: 2009-05-25 RSB Adapted from the corresponding
047418,000011: # Luminary131 file, using page
047419,000012: # images from Luminary 1A.
047420,000013: # 2011-01-06 JL Fixed pseudo-label indentation.
047421,000014: # 2011-05-07 JL Removed workarounds.
047422,000015:
047423,000016: # This source code has been transcribed or otherwise adapted from
047424,000017: # digitized images of a hardcopy from the MIT Museum. The digitization
047425,000018: # was performed by Paul Fjeld, and arranged for by Deborah Douglas of
047426,000019: # the Museum. Many thanks to both. The images (with suitable reduction
047427,000020: # in storage size and consequent reduction in image quality as well) are
047428,000021: # available online at www.ibiblio.org/apollo. If for some reason you
047429,000022: # find that the images are illegible, contact me at info@sandroid.org
047430,000023: # about getting access to the (much) higher-quality images which Paul
047431,000024: # actually created.
047432,000025:
047433,000026: # Notations on the hardcopy document read, in part:
047434,000027:
047435,000028: # Assemble revision 001 of AGC program LMY99 by NASA 2021112-61
047436,000029: # 16:27 JULY 14, 1969
047437,000030:
047438,000031: # Page 1117
047439,000032: # PROGRAM DESCRIPTION DATE -- 10 OCTOBER 1966
047440,000033: # MOD NO -- 2 LOG SECTION -- WAITLIST
047441,000034: # MOD BY -- MILLER (DTMAX INCREASED TO 162.5 SEC) ASSEMBLY -- SUNBURST REV 5
047442,000035: # MOD 3 BY KERNAN (INHINT INSERTED AT WAITLIST) 2/28/68 SKIPPER REV 4
047443,000036: # MOD 4 BY KERNAN (TWIDDLE IN 54) 3/28/68 SKIPPER REV 13.
047444,000037:
047445,000038: # FUNCTIONAL DESCRIPTION --
047446,000039: # PART OF A SECTION OF PROGRAMS -- WAITLIST, TASKOVER, T3RUPT, USED TO CALL A PROGRAM (CALLED A TASK),
047447,000040: # WHICH IS TO BEGIN IN C(A) CENTISECONDS. WAITLIST UPDATES TIME3, LST1, AND LST2. THE MEANING OF THESE LISTS
047448,000041: # FOLLOW.
047449,000042:
047450,000043: # C(TIME3) = 16384 -(T1-T) CENTISECONDS, (T=PRESENT TIME, T1-TIME FOR TASK1)
047451,000044:
047452,000045: # C(LST1) = -(T2-T1)+1
047453,000046: # C(LST1 +1) = -(T3-T2)+1
047454,000047: # C(LST1 +2) = -(T4-T3)+1
047455,000048: # ...
047456,000049: # C(LST1 +6) = -(T8-T7)+1
047457,000050: # C(LST1 +7) = -(T9-T8)+1
047458,000051:
047459,000052: # C(LST2) = 2CADR OF TASK1
047460,000053: # C(LST2 +2) = 2CADR OF TASK2
047461,000054: # ...
047462,000055: # C(LST2 +14) = 2CADR OF TASK8
047463,000056: # C(LST2 +16) = 2CADR OF TASK9
047464,000057:
047465,000058: # WARNINGS --
047466,000059: # 1) 1 <= C(A) <= 16250D (1 CENTISECOND TO 162.5 SEC)
047467,000060: # 2) 9 TASKS MAXIMUM
047468,000061: # 3) TASKS CALLED UNDER INTERRUPT INHIBITED
047469,000062: # 4) TASKS END BY TC TASKOVER
047470,000063:
047471,000064: # CALLING SEQUENCE --
047472,000065: # L-1 CA DELTAT (TIME IN CENTISECONDS TO TASK START)
047473,000066: # L TC WAITLIST
047474,000067: # L+1 2CADR DESIRED TASK.
047475,000068: # L+2 (MINOR OF 2CADR)
047476,000069: # L+3 RELINT (RETURNS HERE)
047477,000070:
047478,000071: # TWIDDLE --
047479,000072: # TWIDDLE IS FOR USE WHEN THE TASK BEING SET UP IS IN THE SAME EBANK AND FBANK AS THE USER. IN
047480,000073: # SUCH CASES, IT IMPROVES UPON WAITLIST BY ELIMINATING THE NEED FOR THE BBCON HALF OF THE 2CADR,
047481,000074: # Page 1118
047482,000075: # SAVING A WORD. TWIDDLE IS LIKE WAITLIST IN EVERY RESPECT EXCEPT CALLING SEQUENCE, TO WIT,
047483,000076: # L-1 CA DELTAT
047484,000077: # L TC TWIDDLE
047485,000078: # L+1 ADRES DESIRED TASK
047486,000079: # L+2 RELINT (RETURNS HERE)
047487,000080:
047488,000081: # NORMAL EXIT MODES --
047489,000082: # AT L+3 OF CALLING SEQUENCE.
047490,000083:
047491,000084: # ALARM OR ABORT EXIT MODES --
047492,000085: # TC ABORT
047493,000086: # OCT 1203 (WAITLIST OVERFLOW -- TOO MANY TASKS)
047494,000087:
047495,000088: # ERASABLE INITIALIZATION REQUIRED --
047496,000089: # ACCOMPLISHED BY FRESH START -- LST2, ..., LST2 +16 = ENDTASK
047497,000090: # LST1, ..., LST1 +7 = NEG1/2
047498,000091:
047499,000092: # OUTPUT --
047500,000093: # LST1 AND LST2 UPDATED WTIH NEW TASK AND ASSOCIATED TIME.
047501,000094:
047502,000095: # DEBRIS --
047503,000096: # CENTRALS -- A,Q,L
047504,000097: # OTHER -- WAITEXIT, WAITADR, WAITTEMP, WAITBANK
047505,000098:
047506,000099: # DETAILED ANALYSIS OF TIMING --
047507,000100: # CONTROL WILL NOT BE RETURNED TO THE SPECIFIED ADDRESS (2CADR) IN EXACTLY DELTA T CENTISECONDS.
047508,000101: # THE APPROXIMATE TIME MAY BE CALCULATED AS FOLLOWS:
047509,000102: # LET T0 = THE TIME OF THE TC WAITLIST
047510,000103: # LET TS = T0 +147U + COUNTER INCREMENTS (SET UP TIME)
047511,000104: # LET X = TS -(100TS)/100 (VARIANCE FROM COUNTERS)
047512,000105: # LET Y = LENGTH OF TIME OF INHIBIT INTERRUPT AFTER T3RUPT
047513,000106: # LET Z = LENGTH OF TIME TO PROCESS TASKS WHICH ARE DUE THIS T3RUPT BUT DISPATCHED EARLIER.
047514,000107: # (Z=0, USUALLY).
047515,000108: # LET DELTD = THE ACTUAL TIME TAKEN TO GIVE CONTROL TO 2CADR
047516,000109: # THEN DELTD = TS+DELTA T -X +Y +Z +1.05MS* +COUNTERS*
047517,000110: # *THE TIME TAKEN BY WAITLIST ITSELF AND THE COUNTER TICKING DURING THIS WAITLIST TIME.
047518,000111: # IN SHORT, THE ACTUAL TIME TO RETURN CONTROL TO A 2CADR IS AUGMENTED BY THE TIME TO SET UP THE TASK'S
047519,000112: # INTERRUPT, ALL COUNTERS TICKING, THE T3RUPT PROCESSING TIME, THE WAITLIST PROCESSING TIME AND THE POSSIBILITY
047520,000113: # OF OTHER TASKS INHIBITING THE INTERRUPT.
047521,000114:
047522,000115: 5173 BLOCK 02
047523,000116: # Page 1119
047524,000117: 5173 E3,1400 EBANK= LST1 # TASK LISTS IN SWITCHED E BANK.
047525,000118:
047526,000119: 5173 COUNT* $$/WAIT
047527,000120: 5173 00004 TWIDDLE INHINT
047528,000121: 5174 54001 TS L # SAVE DELAY TIME IN L
047529,000122: 5175 34733 CA POSMAX
047530,000123: 5176 26002 ADS Q # CREATING OVERFLOW AND Q-1 IN Q
047531,000124: 5177 30006 CA BBANK
047532,000125: 5200 00006 EXTEND
047533,000126: 5201 04007 ROR SUPERBNK
047534,000127: 5202 56001 XCH L
047535,000128:
047536,000129: 5203 00004 WAITLIST INHINT
047537,000130: 5204 56002 XCH Q # SAVE DELTA T IN Q AND RETURN IN
047538,000131: 5205 54061 TS WAITEXIT # WAITEXIT.
047539,000132: 5206 00006 EXTEND
047540,000133: 5207 50061 INDEX WAITEXIT # IF TWIDDLING, THE TS SKIPS TO HERE
047541,000134: 5210 30001 DCA 0 # PICK UP 2CADR OF TASK.
047542,000135: 5211 54063 -1 TS WAITADR # BBCON WILL REMAIN IN L
047543,000136: 5212 35220 DLY2 CAF WAITBB # ENTRY FROM FIXDELAY AND VARDELAY.
047544,000137: 5213 56006 XCH BBANK
047545,000138: 5214 13231 TCF WAIT2
047546,000139:
047547,000140: # RETURN TO CALLER AFTER TASK INSERTION:
047548,000141:
047549,000142: 5215 52062 LVWTLIST DXCH WAITEXIT
047550,000143: 5216 64752 AD TWO
047551,000144: 5217 52006 DTCB
047552,000145:
047553,000146: 5220 E3,1400 EBANK= LST1
047554,000147: 5220 02063 WAITBB BBCON WAIT2
047555,000148:
047556,000149: # RETURN TO CALLER +2 AFTER WAITING DT SPECIFIED AT CALLER +1.
047557,000150:
047558,000151: 5221 50002 FIXDELAY INDEX Q # BOTH ROUTINES MUST BE CALLED UNDER
047559,000152: 5222 30000 CAF 0 # WAITLIST CONTROL AND TERMINATE THE TASK
047560,000153: 5223 24002 INCR Q # IN WHICH THEY WERE CALLED.
047561,000154:
047562,000155: # RETURN TO CALLER +1 AFTER WAITING THE DT AS ARRIVING IN A.
047563,000156:
047564,000157: 5224 56002 VARDELAY XCH Q # DT TO Q. TASK ADRES TO WAITADR.
047565,000158: 5225 54063 TS WAITADR
047566,000159: 5226 30006 CA BBANK # BBANK IS SAVED DURING DELAY.
047567,000160: 5227 00006 EXTEND
047568,000161: 5230 04007 ROR SUPERBNK # ADD SBANK TO BBCON.
047569,000162: 5231 54001 TS L
047570,000163: 5232 35235 CAF DELAYEX
047571,000164: 5233 54061 TS WAITEXIT # GO TO TASKOVER AFTER TASK ENTRY.
047572,000165: 5234 15212 TCF DLY2
047573,000166:
047574,000167: # Page 1120
047575,000168: 5235 15257 DELAYEX TCF TASKOVER -2 # RETURNS TO TASKOVER.
047576,000169:
047577,000170: # Page 1121
047578,000171: # ENDTASK MUST ENTERED IN FIXED-FIXED SO IT IS DISTINGUISHABLE BY ITS ADRES ALONE.
047579,000172:
047580,000173: 5236 E3,1400 EBANK= LST1
047581,000174: 5236 72537 73714 ENDTASK -2CADR SVCT3
047582,000175:
047583,000176: 5240 10076 SVCT3 CCS FLAGWRD2 # DRIFT FLAG
047584,000177: 5241 15261 TCF TASKOVER
047585,000178: 5242 15261 TCF TASKOVER
047586,000179: 5243 15244 TCF +1
047587,000180:
047588,000181: 5244 11304 CKIMUSE CCS IMUCADR # DON'T DO NBDONLY IF SOMEONE ELSE IS IN
047589,000182: 5245 15256 TCF SVCT3X # IMUSTALL.
047590,000183: 5246 15251 TCF +3
047591,000184: 5247 15256 TCF SVCT3X
047592,000185: 5250 15256 TCF SVCT3X
047593,000186:
047594,000187: 5251 37723 +3 CAF PRIO35 # COMPENSATE FOR NBD COEFFICIENTS ONLY.
047595,000188: 5252 05072 TC NOVAC # ENABLE EVERY 81.93 SECONDS
047596,000189: 5253 E3,1460 EBANK= NBDX
047597,000190: 5253 03555 14063 2CADR NBDONLY
047598,000191:
047599,000192: 5255 15261 TCF TASKOVER
047600,000193:
047601,000194: 5256 05221 SVCT3X TC FIXDELAY # DELAY MAX OF 2 TIMES FOR IMUZERO.
047602,000195: 5257 00764 DEC 500 B-14
047603,000196: 5260 05240 TC SVCT3 # CHECK DRIFT FLAG AGAIN.
047604,000197:
047605,000198: # Page 1122
047606,000199: # BEGIN TASK INSERTION.
047607,000200:
047608,000201: 01,3231 BANK 01
047609,000202: 01,3231 COUNT* $$/WAIT
047610,000203: 01,3231 54062 WAIT2 TS WAITBANK # BBANK OF CALLING PROGRAM.
047611,000204: 01,3232 30002 CA Q
047612,000205: 01,3233 00006 EXTEND
047613,000206: 01,3234 63523 BZMF WAITP00H
047614,000207:
047615,000208: 01,3235 40026 CS TIME3
047616,000209: 01,3236 64744 AD BIT8 # BIT 8 = OCT 200
047617,000210: 01,3237 10000 CCS A # TEST 200 - C(TIME3). IF POSITIVE,
047618,000211: # IT MEANS THAT TIME3 OVERFLOW HAS OCCURRED PRIOR TO CS TIME3 AND THAT
047619,000212: # C(TIME3) = T - T1, INSTEAD OF 1.0 - (T1 - T). THE FOLLOWING FOUR
047620,000213: # ORDERS SET C(A) = TD - T1 + 1 IN EITHER CASE.
047621,000214:
047622,000215: 01,3240 66107 AD OCT40001 # OVERFLOW HAS OCCURRED. SET C(A) =
047623,000216: 01,3241 40000 CS A # T - T1 + 1.0 - 201
047624,000217:
047625,000218: # NORMAL CASE (C(A) NNZ) YIELDS SAME C(A): -( -(1.0-(T1-T)) + 200) - 1
047626,000219:
047627,000220: 01,3242 63370 AD OCT40201
047628,000221: 01,3243 60002 AD Q # RESULT = TD - T1 + 1.
047629,000222:
047630,000223: 01,3244 10000 CCS A # TEST TD - T1 + 1.
047631,000224:
047632,000225: 01,3245 61400 AD LST1 # IF TD - T1 POS, GO TO WTLST5 WITH
047633,000226: 01,3246 13310 TCF WTLST5 # C(A) = (TD - T1) + C(LST1) = TD-T2+1
047634,000227:
047635,000228: 01,3247 13250 NOOP
047636,000229: 01,3250 40002 CS Q
047637,000230:
047638,000231: # NOTE THAT THIS PROGRAM SECTION IS NEVER ENTERED WHEN T-T1 G/E -1,
047639,000232: # SINCE TD-T1+1 = (TD-T) + (T-T1+1), AND DELTA T = TD-T G/E +1. (G/E
047640,000233: # SYMBOL MEANS GREATER THAN OR EQUAL TO). THUS THERE NEED BE NO CON-
047641,000234: # CERN OVER A PREVIOUS OR IMMINENT OVEFLOW OF TIME3 HERE.
047642,000235:
047643,000236: 01,3251 64736 AD POS1/2 # WHEN TD IS NEXT, FORM QUANTITY
047644,000237: 01,3252 64736 AD POS1/2 # 1.0 - DELTA T = 1.0 - (TD - T)
047645,000238: 01,3253 56026 XCH TIME3
047646,000239: 01,3254 64735 AD NEGMAX
047647,000240: 01,3255 60002 AD Q # 1.0 - DELTAT T NOW COMPLETE.
047648,000241: 01,3256 00006 EXTEND # ZERO INDEX Q.
047649,000242: 01,3257 22007 QXCH 7 # (ZQ)
047650,000243:
047651,000244: # Page 1123
047652,000245: 01,3260 57400 WTLST4 XCH LST1
047653,000246: 01,3261 57401 XCH LST1 +1
047654,000247: 01,3262 57402 XCH LST1 +2
047655,000248: 01,3263 57403 XCH LST1 +3
047656,000249: 01,3264 57404 XCH LST1 +4
047657,000250: 01,3265 57405 XCH LST1 +5
047658,000251: 01,3266 57406 XCH LST1 +6
047659,000252: 01,3267 57407 XCH LST1 +7
047660,000253:
047661,000254: 01,3270 30063 CA WAITADR # (MINOR PART OF TASK CADR HAS BEEN IN L.)
047662,000255: 01,3271 50002 INDEX Q
047663,000256: 01,3272 13273 TCF +1
047664,000257:
047665,000258: 01,3273 53411 DXCH LST2
047666,000259: 01,3274 53413 DXCH LST2 +2
047667,000260: 01,3275 53415 DXCH LST2 +4
047668,000261: 01,3276 53417 DXCH LST2 +6
047669,000262: 01,3277 53421 DXCH LST2 +8D
047670,000263: 01,3300 53423 DXCH LST2 +10D # AT END, CHECK THAT C(LST2 +10) IS STD
047671,000264: 01,3301 53425 DXCH LST2 +12D
047672,000265: 01,3302 53427 DXCH LST2 +14D
047673,000266: 01,3303 53431 DXCH LST2 +16D
047674,000267: 01,3304 65236 AD ENDTASK # END ITEM, AS CHECK FOR EXCEEDING
047675,000268: # THE LENGTH OF THE LIST.
047676,000269: 01,3305 00006 EXTEND # DUMMY TASK ADRES SHOULD BE IN FIXED-
047677,000270: 01,3306 15215 BZF LVWTLIST # FIXED SO ITS ADRES ALONE DISTINGUISHES
047678,000271: 01,3307 13363 TCF WTABORT # IT.
047679,000272:
047680,000273: # Page 1124
047681,000274: 01,3310 10000 WTLST5 CCS A # TEST TD - T2 + 1
047682,000275: 01,3311 61401 AD LST1 +1
047683,000276: 01,3312 13316 TCF +4
047684,000277: 01,3313 64753 AD ONE
047685,000278: 01,3314 03374 TC WTLST2
047686,000279: 01,3315 00001 OCT 1
047687,000280:
047688,000281: 01,3316 10000 +4 CCS A # TEST TD - T3 + 1
047689,000282: 01,3317 61402 AD LST1 +2
047690,000283: 01,3320 13324 TCF +4
047691,000284: 01,3321 64753 AD ONE
047692,000285: 01,3322 03374 TC WTLST2
047693,000286: 01,3323 00002 OCT 2
047694,000287:
047695,000288: 01,3324 10000 +4 CCS A # TEST TD - T4 + 1
047696,000289: 01,3325 61403 AD LST1 +3
047697,000290: 01,3326 13332 TCF +4
047698,000291: 01,3327 64753 AD ONE
047699,000292: 01,3330 03374 TC WTLST2
047700,000293: 01,3331 00003 OCT 3
047701,000294:
047702,000295: 01,3332 10000 +4 CCS A # TEST TD - T5 + 1
047703,000296: 01,3333 61404 AD LST1 +4
047704,000297: 01,3334 13340 TCF +4
047705,000298: 01,3335 64753 AD ONE
047706,000299: 01,3336 03374 TC WTLST2
047707,000300: 01,3337 00004 OCT 4
047708,000301:
047709,000302: 01,3340 10000 +4 CCS A # TEST TD - T6 + 1
047710,000303: 01,3341 61405 AD LST1 +5
047711,000304: 01,3342 13346 TCF +4
047712,000305: 01,3343 64753 AD ONE
047713,000306: 01,3344 03374 TC WTLST2
047714,000307: 01,3345 00005 OCT 5
047715,000308:
047716,000309: 01,3346 10000 +4 CCS A # TEST TD - T7 + 1
047717,000310: 01,3347 61406 AD LST1 +6
047718,000311: 01,3350 13354 TCF +4
047719,000312: 01,3351 64753 AD ONE
047720,000313: 01,3352 03374 TC WTLST2
047721,000314: 01,3353 00006 OCT 6
047722,000315:
047723,000316: # Page 1125
047724,000317: 01,3354 10000 +4 CCS A # TEST TD - T2 + 1
047725,000318: 01,3355 61407 AD LST1 +7
047726,000319: 01,3356 13362 TCF +4
047727,000320: 01,3357 64753 AD ONE
047728,000321: 01,3360 03374 TC WTLST2
047729,000322: 01,3361 00007 OCT 7
047730,000323:
047731,000324: 01,3362 10000 +4 CCS A
047732,000325: 01,3363 03371 WTABORT TC FILLED
047733,000326: 01,3364 13365 NOOP # CAN'T GET HERE
047734,000327: 01,3365 64753 AD ONE
047735,000328: 01,3366 03374 TC WTLST2
047736,000329: 01,3367 00010 OCT 10
047737,000330:
047738,000331: 01,3370 40201 OCT40201 OCT 40201
047739,000332:
047740,000333: # Page 1126
047741,000334: 01,3371 52062 FILLED DXCH WAITEXIT
047742,000335: 01,3372 05716 TC BAILOUT1 # NO ROOM IN THE INN
047743,000336: 01,3373 01203 OCT 01203
047744,000337:
047745,000338: # Page 1127
047746,000339: # THE ENTRY TC WTLST2 JUST PRECEDING OCT N IS FOR T LE TD LE T -1.
047747,000340: # N N+1
047748,000341: # (LE MEANS LESS THAN OR EQUAL TO). AT ENTRY, C(A) = -(TD - T + 1)
047749,000342: # N+1
047750,000343: # THE LST1 ENTRY -(T -T +1) IS TO BE REPLACED BY -(TD - T + 1), AND
047751,000344: # N+1 N N
047752,000345: # THE ENTRY -(T - TD + 1) IS TO BE INSERTED IMMEDIATELY FOLLOWING.
047753,000346: # N+1
047754,000347:
047755,000348: 01,3374 54064 WTLST2 TS WAITTEMP # C(A) = -(TD - T + 1)
047756,000349: 01,3375 50002 INDEX Q
047757,000350: 01,3376 30000 CAF 0
047758,000351: 01,3377 54002 TS Q # INDEX VALUE INTO Q.
047759,000352:
047760,000353: 01,3400 34753 CAF ONE
047761,000354: 01,3401 60064 AD WAITTEMP
047762,000355: 01,3402 50002 INDEX Q # C(A) = -(TD - T ) + 1.
047763,000356: 01,3403 27377 ADS LST1 -1 # N
047764,000357:
047765,000358: 01,3404 40064 CS WAITTEMP
047766,000359: 01,3405 50002 INDEX Q
047767,000360: 01,3406 13260 TCF WTLST4
047768,000361:
047769,000362: # C(TIME3) = 1.0 - (T1 - T)
047770,000363:
047771,000364: # C(LST1) = - (T2 - T1) + 1
047772,000365: # C(LST1+1) = - (T3 - T2) + 1
047773,000366: # C(LST1+2) = - (T4 - T3) + 1
047774,000367: # C(LST1+3) = - (T5 - T4) + 1
047775,000368: # C(LST1+4) = - (T6 - T5) + 1
047776,000369:
047777,000370: # C(LST2) = 2CADR TASK1
047778,000371: # C(LST2+2) = 2CADR TASK2
047779,000372: # C(LST2+4) = 2CADR TASK3
047780,000373: # C(LST2+6) = 2CADR TASK4
047781,000374: # C(LST2+8) = 2CADR TASK5
047782,000375: # C(LST2+10) = 2CADR TASK6
047783,000376:
047784,000377: # Page 1128
047785,000378: # ENTERS HERE ON T3 RUPT TO DISPATCH WAITLISTED TASK.
047786,000379:
047787,000380: 01,3407 00006 T3RUPT EXTEND
047788,000381: 01,3410 04007 ROR SUPERBNK # READ CURRENT SUPERBANK VALUE AND
047789,000382: 01,3411 54016 TS BANKRUPT # SAVE WITH E AND F BANK VALUES.
047790,000383: 01,3412 00006 EXTEND
047791,000384: 01,3413 22012 QXCH QRUPT
047792,000385:
047793,000386: 01,3414 34734 T3RUPT2 CAF NEG1/2 # DISPATCH WAITLIST TASK.
047794,000387: 01,3415 57407 XCH LST1 +7
047795,000388: 01,3416 57406 XCH LST1 +6
047796,000389: 01,3417 57405 XCH LST1 +5
047797,000390: 01,3420 57404 XCH LST1 +4 # 1. MOVE UP LST1 CONTENTS, ENTERING
047798,000391: 01,3421 57403 XCH LST1 +3 # A VALUE OF 1/2 +1 AT THE BOTTOM
047799,000392: 01,3422 57402 XCH LST1 +2 # FOR T6-T5, CORRESPONDING TO THE
047800,000393: 01,3423 57401 XCH LST1 +1 # INTERVAL 81.91 SEC FOR ENDTASK.
047801,000394: 01,3424 57400 XCH LST1
047802,000395: 01,3425 64733 AD POSMAX # 2. SET T3 = 1.0 - T2 - T USING LIST 1.
047803,000396: 01,3426 26026 ADS TIME3 # SO T3 WON'T TICK DURING UPDATE.
047804,000397: 01,3427 54734 TS RUPTAGN
047805,000398: 01,3430 44755 CS ZERO
047806,000399: 01,3431 54734 TS RUPTAGN # SETS RUPTAGN TO +1 ON OVERFLOW.
047807,000400:
047808,000401: 01,3432 00006 EXTEND # DISPATCH TASK.
047809,000402: 01,3433 45237 DCS ENDTASK
047810,000403: 01,3434 53431 DXCH LST2 +16D
047811,000404: 01,3435 53427 DXCH LST2 +14D
047812,000405: 01,3436 53425 DXCH LST2 +12D
047813,000406: 01,3437 53423 DXCH LST2 +10D
047814,000407: 01,3440 53421 DXCH LST2 +8D
047815,000408: 01,3441 53417 DXCH LST2 +6
047816,000409: 01,3442 53415 DXCH LST2 +4
047817,000410: 01,3443 53413 DXCH LST2 +2
047818,000411: 01,3444 53411 DXCH LST2
047819,000412:
047820,000413: 01,3445 56001 XCH L
047821,000414: 01,3446 00006 EXTEND
047822,000415: 01,3447 01007 WRITE SUPERBNK # SET SUPERBANK FROM BBCON OF 2CADR
047823,000416: 01,3450 56001 XCH L # RESTORE TO L FOR DXCH Z.
047824,000417: 01,3451 52006 DTCB
047825,000418:
047826,000419: # Page 1129
047827,000420: # RETURN, AFTER EXECUTION OF T3 OVERFLOW TASK:
047828,000421:
047829,000422: 5261 BLOCK 02
047830,000423: 5261 COUNT* $$/WAIT
047831,000424: 5261 10734 TASKOVER CCS RUPTAGN # IF +1 RETURN TO T3RUPT, IF -0 RESUME.
047832,000425: 5262 35220 CAF WAITBB
047833,000426: 5263 54006 TS BBANK
047834,000427: 5264 13414 TCF T3RUPT2 # DISPATCH NEXT TASK IF IT WAS DUE.
047835,000428:
047836,000429: 5265 30016 CA BANKRUPT
047837,000430: 5266 00006 EXTEND
047838,000431: 5267 01007 WRITE SUPERBNK # RESTORE SUPERBANK BEFORE RESUME IS DONE
047839,000432:
047840,000433: 5270 00006 RESUME EXTEND
047841,000434: 5271 22012 QXCH QRUPT
047842,000435: 5272 30016 NOQRSM CA BANKRUPT
047843,000436: 5273 56006 XCH BBANK
047844,000437: 5274 52011 NOQBRSM DXCH ARUPT
047845,000438: 5275 00003 RELINT
047846,000439: 5276 50017 RESUME
047847,000440:
047848,000441: # Page 1130
047849,000442: # LONGCALL
047850,000443: # PROGRAM DESCRIPTION DATE -- 17 MARCH 1967
047851,000444: # PROGRAM WRITTEN BY W.H.VANDEVER LOG SECTION WAITLIST
047852,000445: # MOD BY -- R. MELANSON TO ADD DOCUMENTATION ASSEMBLY SUNDISK REV. 100
047853,000446:
047854,000447: # FUNCTIONAL DESCRIPTION --
047855,000448: # LONGCALL IS CALLED WITH THE DELTA TIME ARRIVING IN A,L SCALED AS TIME2,TIME1 WITH THE 2CADR OF THE TASK
047856,000449: # IMMEDIATELY FOLLOWING THE TC LONGCALL. FOR EXAMPLE, IT MIGHT BE DONE AS FOLLOWS WHERE TIMELOC IS THE NAME OF
047857,000450: # A DP REGISTER CONTAINING A DELTA TIME AND WHERE TASKTODO IS THE NAME OF THE LOCATION AT WHICH LONGCALL IS TO
047858,000451: # START.
047859,000452: # CALLING SEQUENCE --
047860,000453: # EXTEND
047861,000454: # DCA TIMELOC
047862,000455: # TC LONGCALL
047863,000456: # 2CADR TASKTODO
047864,000457: # NORMAL EXIT MODE --
047865,000458: # 1) TC WAITLIST
047866,000459: # 2) DTCB (TC L+3 OF CALLING ROUTINE 1ST PASS THRU LONGCYCL)
047867,000460: # 3) DTCB (TO TASKOVER ON SUBSEQUENT PASSES THRU LONGCYCL)
047868,000461: # ALARM OR ABORT EXIT MODE --
047869,000462: # NONE
047870,000463: # OUTPUT --
047871,000464: # LONGTIME AND LONGTIME+1 = DELTA TIME
047872,000465: # LONGEXIT AND LONGEXIT+1 = RETURN 2CADR
047873,000466: # LONGCADR AND LONGCADR+1 = TASK 2CADR
047874,000467: # A = SINGLE PRECISION TIME FOR WAITLIST
047875,000468: # ERASABLE INITIALIZATION --
047876,000469: # A = MOST SIGNIFICANT PART OF DELTA TIME
047877,000470: # L = LEAST SIGNIFICANT PART OF DELTA TIME
047878,000471: # Q = ADDRESS OF 2CADR TASK VALUE
047879,000472: # DEBRIS --
047880,000473: # A,Q,L
047881,000474: # LONGCADR AND LONGCADR+1
047882,000475: # LONGEXIT AND LONGEXIT+1
047883,000476: # LONGTIME AND LONGTIME+1
047884,000477: # *** THE FOLLOWING IS TO BE IN FIXED-FIXED AND UNSWITCHED ERASIBLE **
047885,000478:
047886,000479: 5277 BLOCK 02
047887,000480: 5277 E3,1400 EBANK= LST1
047888,000481: 5277 53154 LONGCALL DXCH LONGTIME # OBTAIN THE DELTA TIME
047889,000482:
047890,000483: 5300 00006 EXTEND # OBTAIN THE 2CADR
047891,000484: # Page 1131
047892,000485: 5301 50002 NDX Q
047893,000486: 5302 30001 DCA 0
047894,000487: 5303 53150 DXCH LONGCADR
047895,000488:
047896,000489: 5304 00006 EXTEND # NOW GO TO THE APPROPRIATE SWITCHED BANK
047897,000490: 5305 35310 DCA LGCL2CDR # FOR THE REST OF LONGCALL
047898,000491: 5306 52006 DTCB
047899,000492:
047900,000493: 5307 E3,1400 EBANK= LST1
047901,000494: 5307 03452 02063 LGCL2CDR 2CADR LNGCALL2
047902,000495:
047903,000496: # *** THE FOLLOWING MAY BE IN A SWITCHED BANK, INCLUDING ITS ERASABLE ***
047904,000497:
047905,000498: 01,3452 BANK 01
047906,000499: 01,3452 COUNT* $$/WAIT
047907,000500: 01,3452 23435 LNGCALL2 LXCH LONGEXIT +1 # SAVE THE CORRECT BB FOR RETURN
047908,000501: 01,3453 34752 CA TWO # OBTAIN THE RETURN ADDRESS
047909,000502: 01,3454 26002 ADS Q
047910,000503: 01,3455 55434 TS LONGEXIT
047911,000504:
047912,000505: 01,3456 31153 CA LONGTIME # CHECK FOR LEGITIMATE DELTA-TIME
047913,000506: 01,3457 10000 CCS A
047914,000507: 01,3460 13466 TCF LONGCYCL # HI-ORDER OK --> ALL IS OK.
047915,000508: 01,3461 13463 TCF +2 # HI-ORDER ZERO --> CHECK LO-ORDER.
047916,000509: 01,3462 13521 TCF LONGP00H # HI-ORDER NEG. --> NEG. DT
047917,000510: 01,3463 31154 +2 CA LONGTIME +1 # CHECK LO-ORDER FOR ZERO OR NEGATIVE.
047918,000511: 01,3464 00006 EXTEND
047919,000512: 01,3465 63521 BZMF LONGP00H # BAD DELTA-TIME. ABORT
047920,000513:
047921,000514: # *** WAITLIST TASK LONGCYCL ***
047922,000515:
047923,000516: 01,3466 00006 LONGCYCL EXTEND # CAN WE SUCCESFULLY TAKE ABOUT 1.25
047924,000517: 01,3467 43500 DCS DPBIT14 # MINUTES OFF OF LONGTIME
047925,000518: 01,3470 21154 DAS LONGTIME
047926,000519:
047927,000520: 01,3471 11154 CCS LONGTIME +1 # THE REASONING BEHIND THIS PART IS
047928,000521: 01,3472 13511 TCF MUCHTIME # INVOLVED, TAKING INTO ACCOUNT THAT THE
047929,000522: # WORDS MAY NOT BE SIGNED CORRECTED (DP
047930,000523: # BASIC INSTRUCTIONS
047931,000524: # DO NOT SIGN CORRECT) AND THAT WE SUBTRAC-
047932,000525: # TED BIT14 (1 OVER HALF THE POS. VALUE
047933,000526: # REPRESENTABLE IN SINGLE WORD)
047934,000527: 01,3473 13474 NOOP # CAN'T GET HERE *************
047935,000528: 01,3474 13475 TCF +1
047936,000529: 01,3475 11153 CCS LONGTIME
047937,000530: 01,3476 13511 TCF MUCHTIME
047938,000531: 01,3477 00000 DPBIT14 OCT 00000
047939,000532: 01,3500 20000 OCT 20000
047940,000533:
047941,000534: # LONGCALL
047942,000535: # Page 1132
047943,000536: 01,3501 34736 LASTTIME CA BIT14 # GET BACK THE CORRECT DELTA T FOR WAITLIST
047944,000537: 01,3502 27154 ADS LONGTIME +1
047945,000538: 01,3503 05203 TC WAITLIST
047946,000539: 01,3504 E3,1400 EBANK= LST1
047947,000540: 01,3504 03516 02063 2CADR GETCADR # THE ENTRY TO OUR LONGCADR
047948,000541:
047949,000542: 01,3506 33520 LONGRTRN CA TSKOVCDR # SET IT UP SO THAT ONLY THE FIRST EXIT IS
047950,000543: 01,3507 53435 DXCH LONGEXIT # TO THE CALLER OF LONGCALL
047951,000544: 01,3510 52006 DTCB # THE REST ARE TO TASKOVER
047952,000545:
047953,000546: 01,3511 34736 MUCHTIME CA BIT14 # WE HAVE OVER OUR ABOUT 1.25 MINUTES
047954,000547: 01,3512 05203 TC WAITLIST # SO SET UP FOR ANOTHER CYCLE THROUGH HERE
047955,000548: 01,3513 E3,1400 EBANK= LST1
047956,000549: 01,3513 03466 02063 2CADR LONGCYCL
047957,000550:
047958,000551: 01,3515 13506 TCF LONGRTRN # NOW EXIT PROPERLY
047959,000552:
047960,000553: # *** WAITLIST TASK GETCADR ***
047961,000554:
047962,000555: 01,3516 53150 GETCADR DXCH LONGCADR # GET THE LONGCALL THAT WE WISHED TO START
047963,000556: 01,3517 52006 DTCB # AND TRANSFER CONTROL TO IT
047964,000557:
047965,000558: 01,3520 05261 TSKOVCDR GENADR TASKOVER
047966,000559: 01,3521 53435 LONGP00H DXCH LONGEXIT
047967,000560: 01,3522 13524 TCF +2
047968,000561: 01,3523 52062 WAITP00H DXCH WAITEXIT
047969,000562: 01,3524 05726 +2 TC P00DOO1
047970,000563: 01,3525 01204 OCT 01204
047971,000564:
End of include-file WAITLIST.agc. Parent file is MAIN.agc