2019-04-13 19:27:27 -07:00
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"CLOCK for
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STARCROSS
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(c) Copyright 1981 Infocom, Inc. All Rights Reserved.
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"
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2019-04-13 19:26:27 -07:00
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<CONSTANT C-TABLELEN 180>
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<GLOBAL C-TABLE <ITABLE NONE 180>>
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<GLOBAL C-DEMONS 180>
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<GLOBAL C-INTS 180>
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<CONSTANT C-INTLEN 6>
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<CONSTANT C-ENABLED? 0>
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<CONSTANT C-TICK 1>
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<CONSTANT C-RTN 2>
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<ROUTINE DEMON (RTN TICK "AUX" CINT)
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#DECL ((RTN) ATOM (TICK) FIX (CINT) <PRIMTYPE VECTOR>)
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<PUT <SET CINT <INT .RTN T>> ,C-TICK .TICK>
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.CINT>
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<ROUTINE QUEUE (RTN TICK "AUX" CINT)
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#DECL ((RTN) ATOM (TICK) FIX (CINT) <PRIMTYPE VECTOR>)
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<PUT <SET CINT <INT .RTN>> ,C-TICK .TICK>
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.CINT>
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<ROUTINE INT (RTN "OPTIONAL" (DEMON <>) E C INT)
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#DECL ((RTN) ATOM (DEMON) <OR ATOM FALSE> (E C INT) <PRIMTYPE
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VECTOR>)
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<SET E <REST ,C-TABLE ,C-TABLELEN>>
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<SET C <REST ,C-TABLE ,C-INTS>>
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<REPEAT ()
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<COND (<==? .C .E>
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<SETG C-INTS <- ,C-INTS ,C-INTLEN>>
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<AND .DEMON <SETG C-DEMONS <- ,C-DEMONS ,C-INTLEN>>>
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<SET INT <REST ,C-TABLE ,C-INTS>>
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<PUT .INT ,C-RTN .RTN>
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<RETURN .INT>)
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(<==? <GET .C ,C-RTN> .RTN> <RETURN .C>)>
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<SET C <REST .C ,C-INTLEN>>>>
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<GLOBAL CLOCK-WAIT <>>
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<ROUTINE CLOCKER ("AUX" C E TICK (FLG <>))
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#DECL ((C E) <PRIMTYPE VECTOR> (TICK) FIX (FLG) <OR FALSE ATOM>)
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<COND (,CLOCK-WAIT <SETG CLOCK-WAIT <>> <RFALSE>)>
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<SET C <REST ,C-TABLE <COND (,P-WON ,C-INTS) (T ,C-DEMONS)>>>
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<SET E <REST ,C-TABLE ,C-TABLELEN>>
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<REPEAT ()
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<COND (<==? .C .E> <RETURN .FLG>)
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(<NOT <0? <GET .C ,C-ENABLED?>>>
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<SET TICK <GET .C ,C-TICK>>
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<COND (<0? .TICK>)
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(T
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<PUT .C ,C-TICK <- .TICK 1>>
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<COND (<AND <NOT <G? .TICK 1>>
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<APPLY <GET .C ,C-RTN>>>
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<SET FLG T>)>)>)>
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<SET C <REST .C ,C-INTLEN>>>>
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