minizork-1982/main.zil

<CONSTANT M-FATAL 2>
 
<CONSTANT M-HANDLED 1>   
 
<CONSTANT M-NOT-HANDLED <>>   
 
<CONSTANT M-BEG 1>  
 
<CONSTANT M-END <>> 
 
<CONSTANT M-ENTER 2>
 
<CONSTANT M-LOOK 3> 
 
<ROUTINE GO () 
	<ENABLE <QUEUE I-FIGHT -1>>
	<QUEUE I-SWORD -1>
	<ENABLE <QUEUE I-THIEF -1>>
	<QUEUE I-LANTERN 200>
	<PUTP ,INFLATED-BOAT ,P?VTYPE ,RWATERBIT>
	<PUT ,DEF1-RES 1 <REST ,DEF1 2>>
	<PUT ,DEF1-RES 2 <REST ,DEF1 4>>
	<PUT ,DEF2-RES 2 <REST ,DEF2B 2>>
	<PUT ,DEF2-RES 3 <REST ,DEF2B 4>>
	<PUT ,DEF3-RES 1 <REST ,DEF3A 2>>
	<PUT ,DEF3-RES 3 <REST ,DEF3B 2>>
	<SETG HERE ,WEST-OF-HOUSE>
	<SETG P-IT-OBJECT ,MAILBOX>
	<SETG P-IT-LOC ,HERE>
	<COND (<NOT <FSET? ,HERE ,TOUCHBIT>> <V-VERSION> <CRLF>)>
	<SETG LIT T>
	<SETG WINNER ,ADVENTURER>
	<V-LOOK>
	<MAIN-LOOP>
	<AGAIN>>    


<ROUTINE MAIN-LOOP ("AUX" ICNT OCNT NUM CNT OBJ TBL V PTBL OBJ1 TMP) 
   #DECL ((CNT OCNT ICNT NUM) FIX (V) <OR 'T FIX FALSE> (OBJ) <OR FALSE OBJECT>
	  (OBJ1) OBJECT (TBL) TABLE (PTBL) <OR FALSE ATOM>)
   <REPEAT ()
     <SET CNT 0>
     <SET OBJ <>>
     <SET PTBL T>
     <COND (<SETG P-WON <PARSER>>
	    <SET ICNT <GET ,P-PRSI ,P-MATCHLEN>>
	    <SET NUM
		 <COND (<0? <SET OCNT <GET ,P-PRSO ,P-MATCHLEN>>> .OCNT)
		       (<G? .OCNT 1>
			<SET TBL ,P-PRSO>
			<COND (<0? .ICNT> <SET OBJ <>>)
			      (T <SET OBJ <GET ,P-PRSI 1>>)>
			.OCNT)
		       (<G? .ICNT 1>
			<SET PTBL <>>
			<SET TBL ,P-PRSI>
			<SET OBJ <GET ,P-PRSO 1>>
			.ICNT)
		       (T 1)>>
	    <COND (<AND <NOT .OBJ> <1? .ICNT>> <SET OBJ <GET ,P-PRSI 1>>)>
	    <COND (<==? ,PRSA ,V?WALK> <SET V <PERFORM ,PRSA ,PRSO>>)
		  (<0? .NUM>
		   <COND (<0? <BAND <GETB ,P-SYNTAX ,P-SBITS> ,P-SONUMS>>
			  <SET V <PERFORM ,PRSA>>)
			 (T
			  <TELL "I don't know what object you mean.">
			  <SET V <>>)>)
		  (T
		   <REPEAT ()
			   <COND (<G? <SET CNT <+ .CNT 1>> .NUM> <RETURN>)
				 (T
				  <COND (.PTBL <SET OBJ1 <GET ,P-PRSO .CNT>>)
					(T <SET OBJ1 <GET ,P-PRSI .CNT>>)>
				  <COND (<G? .NUM 1>
					 <PRINTD .OBJ1>
					 <TELL ": ">)>
				  <SET V
				       <PERFORM ,PRSA
						<COND (.PTBL .OBJ1) (T .OBJ)>
						<COND (.PTBL .OBJ) (T .OBJ1)>>>
				  <COND (<==? .V ,M-FATAL> <RETURN>)>)>>
		   <SETG P-IT-OBJECT .OBJ1>
		   <SETG P-IT-LOC ,HERE>)>
	    <SETG MOVES <+ ,MOVES 1>>
	    <COND (<==? .V ,M-FATAL> <SETG P-CONT <>>)>)
	   (T
	    <SETG P-CONT <>>)>
     <SET V <CLOCKER>>>>
 
<GLOBAL L-PRSA <>>  
 
<GLOBAL L-PRSO <>>  
 
<GLOBAL L-PRSI <>>  

<ROUTINE PERFORM (A "OPTIONAL" (O <>) (I <>) "AUX" V OA OO OI) 
	#DECL ((A) FIX (O) <OR FALSE OBJECT FIX> (I) <OR FALSE OBJECT> (V) ANY)
	<SET OA ,PRSA>
	<SET OO ,PRSO>
	<SET OI ,PRSI>
	<SETG PRSA .A>
	<COND (<AND <EQUAL? ,IT .I .O>
		    <NOT <EQUAL? ,P-IT-LOC ,HERE>>>
	       <TELL "I don't see what you are referring to." CR>
	       <RFATAL>)>
	<COND (<==? .O ,IT> <SET O ,P-IT-OBJECT>)>
	<COND (<==? .I ,IT> <SET I ,P-IT-OBJECT>)>
	<SETG PRSO .O>
	<SETG PRSI .I>
	<COND (<NOT <==? .A ,V?AGAIN>>
	       <SETG L-PRSA .A>
	       <SETG L-PRSO .O>
	       <SETG L-PRSI .I>)>
	<COND (<SET V <APPLY <GETP ,WINNER ,P?ACTION>>> .V)
	      (<SET V <APPLY <GETP <LOC ,WINNER> ,P?ACTION> ,M-BEG>> .V)
	      (<SET V <APPLY <GET ,PREACTIONS .A>>> .V)
	      (<AND .I <SET V <APPLY <GETP .I ,P?ACTION>>>> .V)
	      (<AND .O
		    <NOT <==? .A ,V?WALK>>
		    <SET V <APPLY <GETP .O ,P?ACTION>>>>
	       .V)
	      (<SET V <APPLY <GET ,ACTIONS .A>>> .V)>
	<COND (<NOT <==? .V ,M-FATAL>>
	       <SET V <APPLY <GETP ,HERE ,P?ACTION> ,M-END>>)>
	<SETG PRSA .OA>
	<SETG PRSO .OO>
	<SETG PRSI .OI>
	.V>