;COMPARISON OF SS:<ZORK2>GMAIN.ZIL.28 AND SS:<ZORK3.R17>MAIN.ZIL.31
;OPTIONS ARE    /S /9

**** FILE SS:<ZORK2>GMAIN.ZIL.28, 1-1 (0)
			"Generic MAIN file for
			    The ZORK Trilogy
		       started on 7/28/83 by MARC"
<GLOBAL PLAYER <>>
<GLOBAL P-WON <>>
<CONSTANT M-FATAL 2>
 
<CONSTANT M-HANDLED 1>   
 
<CONSTANT M-NOT-HANDLED <>>   
 
<CONSTANT M-OBJECT <>>
<CONSTANT M-BEG 1>  
 
<CONSTANT M-END 6> 
 
<CONSTANT M-ENTER 2>
 
<CONSTANT M-LOOK 3> 
 
<CONSTANT M-FLASH 4>
<CONSTANT M-OBJDESC 5>
<GLOBAL DEBUG <>>
;"GO now lives in SPECIAL.ZIL"    
<ROUTINE MAIN-LOOP ("AUX" ICNT OCNT NUM CNT OBJ TBL V PTBL OBJ1 TMP) 
**** FILE SS:<ZORK3.R17>MAIN.ZIL.31, 1-1 (0)
"MAIN3 for
		 Zork III: The Dungeon Master
	Copyright 1982 Infocom, Inc.  All Rights Reserved.
"
<GLOBAL PLAYER <>>
<GLOBAL P-WON <>>
<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> 
 
<CONSTANT M-FLASH 4>
<CONSTANT M-OBJDESC 5>
<ROUTINE GO () 
;"put interrupts on clock chain"
	 <QUEUE I-LANTERN 200>
;"clean up junk compiler can't do"
	 <SETG CURRENT-LAMP ,LAMP>
	 <PUT ,CPOBJS <* 8 21> 1>
	 <PUT ,CPOBJS <+ <* 8 21> 1> ,LORE-BOOK>
	 <PUT ,CPOBJS <* 8 32> 1>
	 <PUT ,CPOBJS <+ <* 8 32> 1> ,CP-SLOT>
 ;"set up and go"
	 <SETG LIT T>
	 <SETG WINNER ,ADVENTURER>
	 <SETG PLAYER ,WINNER>
	 <SETG MLOC ,MRB>
	 <SETG HERE ,ZORK2-STAIR>
	 <ENABLE <QUEUE I-CLEFT <+ 70 <RANDOM 70>>>>
	 <ENABLE <QUEUE I-VIEW-CHANGE 4>>
	 <SETG P-IT-LOC ,HERE>
	 <SETG P-IT-OBJECT <>>
	 <COND (<NOT <FSET? ,HERE ,TOUCHBIT>>
		<TELL
"As in a dream, you see yourself tumbling down a great, dark staircase.
All about you are shadowy images of struggles against fierce opponents
and diabolical traps. These give way to another round of images: of
imposing stone figures, a cool, clear lake, and, now, of an old, yet
oddly youthful man. He turns toward you slowly, his long, silver hair
dancing about him in a fresh breeze. \"You have reached the final test,
my friend! You are proved clever and powerful, but this is not yet
enough! Seek me when you feel yourself worthy!\" The dream dissolves
around you as his last words echo through the void...." CR>
		<CRLF>
		<V-VERSION>
		<CRLF>)>
	 <MOVE ,WINNER ,HERE>
	 <MOVE ,LAMP ,HERE>
	 <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>)
***************

**** FILE SS:<ZORK2>GMAIN.ZIL.28, 2-31 (1342)
			  <TELL "It's not clear what you're referring to." CR>
			  <SET V <>>)>)
		  (T
		   <SETG P-NOT-HERE 0>
		   <SETG P-MULT <>>
		   <COND (<G? .NUM 1> <SETG P-MULT T>)>
		   <SET TMP <>>
		   <REPEAT ()
			   <COND (<G? <SET CNT <+ .CNT 1>> .NUM>
				  <COND (<G? ,P-NOT-HERE 0>
					 <TELL "The ">
					 <COND (<NOT <EQUAL? ,P-NOT-HERE .NUM>>
						<TELL "other ">)>
					 <TELL "object">
					 <COND (<NOT <EQUAL? ,P-NOT-HERE 1>>
						<TELL "s">)>
					 <TELL " that you mentioned ">
					 <COND (<NOT <EQUAL? ,P-NOT-HERE 1>>
						<TELL "are">)
					       (T <TELL "is">)>
					 <TELL "n't here." CR>)
					(<NOT .TMP>
					 <TELL
"There's nothing here to take." CR>)>
				  <RETURN>)
				 (T
				  <COND (.PTBL <SET OBJ1 <GET ,P-PRSO .CNT>>)
					(T <SET OBJ1 <GET ,P-PRSI .CNT>>)>
				  <SETG PRSO <COND (.PTBL .OBJ1) (T .OBJ)>>
				  <SETG PRSI <COND (.PTBL .OBJ) (T .OBJ1)>>
				  <COND (<OR <G? .NUM 1>
					     <EQUAL? <GET <GET ,P-ITBL ,P-NC1>
							  0>
						     ,W?ALL>>
					 <SET V <LOC ,WINNER>>
					 <COND (<EQUAL? .OBJ1
							,NOT-HERE-OBJECT>
						<SETG P-NOT-HERE
						      <+ ,P-NOT-HERE 1>>
						<AGAIN>)
					       (<AND <VERB? TAKE>
						     ,PRSI
						     <EQUAL? <GET <GET ,P-ITBL
								       ,P-NC1>
								  0>
							     ,W?ALL>
						     <NOT <IN? ,PRSO ,PRSI>>>
						<AGAIN>)
					       (<AND <EQUAL? ,P-GETFLAGS
							     ,P-ALL>
						     <VERB? TAKE>
						     <OR <AND <NOT <EQUAL?
							       <LOC .OBJ1>
							       ,WINNER
							       .V>>
							      <NOT <FSET?
								  <LOC .OBJ1>
								 ,SURFACEBIT>>>
							 <NOT <OR <FSET? .OBJ1
							              ,TAKEBIT>
							          <FSET? .OBJ1
							       ,TRYTAKEBIT>>>>>
						<AGAIN>)
					       (T
						<COND (<EQUAL? .OBJ1 ,IT>
						       <PRINTD ,P-IT-OBJECT>)
						      (T <PRINTD .OBJ1>)>
						<TELL ": ">)>)>
				  <SET TMP T>
				  <SET V <PERFORM ,PRSA ,PRSO ,PRSI>>
				  <COND (<==? .V ,M-FATAL> <RETURN>)>)>>)>
	    <COND (<NOT <==? .V ,M-FATAL>>
		   ;<COND (<==? <LOC ,WINNER> ,PRSO>
			  <SETG PRSO <>>)>
		   <SET V <APPLY <GETP <LOC ,WINNER> ,P?ACTION> ,M-END>>)>
	    <COND (<VERB? AGAIN WALK SAVE RESTORE SCORE VERSION ;WAIT> T)
		  (T
		   <SETG L-PRSA ,PRSA>
		   <SETG L-PRSO ,PRSO>
		   <SETG L-PRSI ,PRSI>)>
	    <COND (<==? .V ,M-FATAL> <SETG P-CONT <>>)>)
	   (T
	    <SETG P-CONT <>>)>
     <COND (,P-WON
	    <COND (<VERB? TELL BRIEF SUPER-BRIEF VERBOSE SAVE VERSION
			  QUIT RESTART SCORE SCRIPT UNSCRIPT RESTORE> T)
		  (T <SET V <CLOCKER>>)>)>>>
 
<GLOBAL L-PRSA <>>  
 
<GLOBAL L-PRSO <>>  
 
<GLOBAL L-PRSI <>>  
<GLOBAL P-MULT <>>
<GLOBAL P-NOT-HERE 0>
%<COND (<GASSIGNED? PREDGEN>
'<ROUTINE PERFORM (A "OPTIONAL" (O <>) (I <>) "AUX" V OA OO OI) 
	<COND (,DEBUG
	       <TELL "[Perform: ">
	       %<COND (<GASSIGNED? PREDGEN> '<TELL N .A>)
		      (T '<PRINC <NTH ,ACTIONS <+ <* .A 2> 1>>>)>
	       <COND (<AND .O <NOT <==? .A ,V?WALK>>>
		      <TELL "/" D .O>)>
	       <COND (.I <TELL "/" D .I>)>
	       <TELL "]" CR>)>
**** FILE SS:<ZORK3.R17>MAIN.ZIL.31, 2-33 (2759)
			  <TELL "There isn't anything to ">
			  <SET TMP <GET ,P-ITBL ,P-VERBN>>
			  <COND (,P-OFLAG
				 <PRINTB <GET .TMP 0>>)
				(T
				 <WORD-PRINT <GETB .TMP 2> <GETB .TMP 3>>)>
			  <TELL "!" CR>
			  <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 ": ">)>
				  <SETG PRSO <COND (.PTBL .OBJ1) (T .OBJ)>>
				  <SETG PRSI <COND (.PTBL .OBJ) (T .OBJ1)>>
				  <SET V <PERFORM ,PRSA ,PRSO ,PRSI>>
				  <COND (<==? .V ,M-FATAL> <RETURN>)>)>>)>
	    <COND (<VERB? AGAIN WALK SAVE RESTORE SCORE VERSION WAIT> T)
		  (T
		   <SETG L-PRSA ,PRSA>
		   <SETG L-PRSO ,PRSO>
		   <SETG L-PRSI ,PRSI>)>
	    <SETG MOVES <+ ,MOVES 1>>
	    <COND (<==? .V ,M-FATAL> <SETG P-CONT <>>)>)
	   (T
	    <SETG P-CONT <>>)>
     <COND (,P-WON
	    <COND (<VERB? TELL BRIEF SUPER-BRIEF VERBOSE SAVE VERSION> T)
		  (T <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)
***************

**** FILE SS:<ZORK2>GMAIN.ZIL.28, 3-25 (4793)
	<COND (<AND ,PRSO <NOT <EQUAL? ,PRSI ,IT>> <NOT <VERB? WALK>>>
	       <SETG P-IT-OBJECT ,PRSO>
	       <SETG P-IT-LOC ,HERE>)>
	<SETG PRSI .I>
	<COND (<AND <EQUAL? ,NOT-HERE-OBJECT ,PRSO ,PRSI>
		    <SET V <NOT-HERE-OBJECT-F>>> .V)
	      (T
	       <SET O ,PRSO>
	       <SET I ,PRSI>
	       <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>>
		      <LOC .O>
		      <SET V <APPLY <GETP <LOC .O> ,P?CONTFCN>>>>
		 .V)
		(<AND .O
		      <NOT <==? .A ,V?WALK>>
		      <SET V <APPLY <GETP .O ,P?ACTION>>>>
		 .V)
		(<SET V <APPLY <GET ,ACTIONS .A>>> .V)>)>
	<SETG PRSA .OA>
	<SETG PRSO .OO>
	<SETG PRSI .OI>
	.V>)
       (T
	
'<PROG ()
<SETG DEBUG <>>
<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)
	<COND (,DEBUG
	       <TELL "** PERFORM: PRSA = ">
	       <PRINC <NTH ,ACTIONS <+ <* .A 2> 1>>>
	       <COND (<AND .O <NOT <==? .A ,V?WALK>>>
		      <TELL " | PRSO = " D .O>)>
	       <COND (.I <TELL " | PRSI = " D .I>)>)>
	<SET OA ,PRSA>
	<SET OO ,PRSO>
	<SET OI ,PRSI>
	<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 PRSA .A>
	<SETG PRSO .O>
	<COND (<AND ,PRSO <NOT <VERB? WALK>>>
	       <SETG P-IT-OBJECT ,PRSO>
	       <SETG P-IT-LOC ,HERE>)>
	<SETG PRSI .I>
	<COND (<AND <EQUAL? ,NOT-HERE-OBJECT ,PRSO ,PRSI>
		    <SET V <D-APPLY "Not Here" ,NOT-HERE-OBJECT-F>>> .V)
	      (T
	       <SET O ,PRSO>
	       <SET I ,PRSI>
	       <COND (<SET V <DD-APPLY "Actor" ,WINNER
				      <GETP ,WINNER ,P?ACTION>>> .V)
		     (<SET V <D-APPLY "Room (M-BEG)"
				      <GETP <LOC ,WINNER> ,P?ACTION>
				      ,M-BEG>> .V)
		     (<SET V <D-APPLY "Preaction"
				      <GET ,PREACTIONS .A>>> .V)
		     (<AND .I <SET V <D-APPLY "PRSI"
					      <GETP .I ,P?ACTION>>>> .V)
		     (<AND .O
			   <NOT <==? .A ,V?WALK>>
			   <LOC .O>
			   <GETP <LOC .O> ,P?CONTFCN>
			   <SET V <DD-APPLY "Container" <LOC .O>
					   <GETP <LOC .O> ,P?CONTFCN>>>>
		      .V)
		     (<AND .O
			   <NOT <==? .A ,V?WALK>>
			   <SET V <D-APPLY "PRSO"
					   <GETP .O ,P?ACTION>>>>
		      .V)
		     (<SET V <D-APPLY <>
				      <GET ,ACTIONS .A>>> .V)>)>
	<SETG PRSA .OA>
	<SETG PRSO .OO>
	<SETG PRSI .OI>
	.V>
<DEFINE D-APPLY (STR FCN "OPTIONAL" FOO "AUX" RES)
	<COND (<NOT .FCN> <>)
	      (T
	       <COND (,DEBUG
		      <COND (<NOT .STR>
			     <TELL CR "  Default ->" CR>)
			    (T <TELL CR "  " .STR " -> ">)>)>
	       <SET RES
		    <COND (<ASSIGNED? FOO>
			   <APPLY .FCN .FOO>)
			  (T <APPLY .FCN>)>>
	       <COND (<AND ,DEBUG .STR>
		      <COND (<==? .RES 2>
			     <TELL "Fatal" CR>)
			    (<NOT .RES>
			     <TELL "Not handled">)
			    (T <TELL "Handled" CR>)>)>
	       .RES)>>
<ROUTINE DD-APPLY (STR OBJ FCN "OPTIONAL" (FOO <>))
	<COND (,DEBUG <TELL "[" D .OBJ "=]">)>
	<D-APPLY .STR .FCN .FOO>>
>)>
**** FILE SS:<ZORK3.R17>MAIN.ZIL.31, 3-15 (4360)
	<COND (<AND ,PRSO <NOT <VERB? WALK>>>
	       <SETG P-IT-OBJECT ,PRSO>
	       <SETG P-IT-LOC ,HERE>)>
	<SETG 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>>
	       <COND (<==? <LOC ,WINNER> ,PRSO>
		      <SETG PRSO <>>)>
	       <SET V <APPLY <GETP <LOC ,WINNER> ,P?ACTION> ,M-END>>)>
	<SETG PRSA .OA>
	<SETG PRSO .OO>
	<SETG PRSI .OI>
	.V>  
 
***************