zork3/parser.zap

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25 KiB
Plaintext

.FUNCT PARSER,PTR=P-LEXSTART,WRD,VAL=0,VERB=0,LEN,DIR=0,NW=0,LW=0,NUM,SCNT,CNT=-1
?PRG1: IGRTR? 'CNT,P-ITBLLEN \?ELS5
JUMP ?REP2
?ELS5: PUT P-ITBL,CNT,0
JUMP ?PRG1
?REP2: SET 'P-ADVERB,FALSE-VALUE
SET 'P-MERGED,FALSE-VALUE
PUT P-PRSO,P-MATCHLEN,0
PUT P-PRSI,P-MATCHLEN,0
PUT P-BUTS,P-MATCHLEN,0
ZERO? QUOTE-FLAG \?CND8
EQUAL? WINNER,PLAYER /?CND8
SET 'WINNER,PLAYER
LOC WINNER
FSET? STACK,VEHBIT /?CND8
LOC WINNER >HERE
?CND8: ZERO? P-CONT /?ELS18
SET 'PTR,P-CONT
ZERO? SUPER-BRIEF \?CND20
EQUAL? PLAYER,WINNER \?CND20
CRLF
?CND20: SET 'P-CONT,FALSE-VALUE
JUMP ?CND16
?ELS18: SET 'WINNER,PLAYER
SET 'QUOTE-FLAG,FALSE-VALUE
LOC WINNER
FSET? STACK,VEHBIT /?CND27
LOC WINNER >HERE
?CND27: ZERO? SUPER-BRIEF \?CND30
CRLF
?CND30: PRINTI ">"
READ P-INBUF,P-LEXV
?CND16: GETB P-LEXV,P-LEXWORDS >P-LEN
ZERO? P-LEN \?CND35
PRINTI "I beg your pardon?"
CRLF
RFALSE
?CND35: SET 'LEN,P-LEN
SET 'P-DIR,FALSE-VALUE
SET 'P-NCN,0
SET 'P-GETFLAGS,0
?PRG40: DLESS? 'P-LEN,0 \?ELS44
SET 'QUOTE-FLAG,FALSE-VALUE
JUMP ?REP41
?ELS44: GET P-LEXV,PTR >WRD
ZERO? WRD \?THN47
CALL NUMBER?,PTR >WRD
ZERO? WRD /?ELS46
?THN47: EQUAL? WRD,W?TO \?ELS51
EQUAL? VERB,ACT?TELL \?ELS51
SET 'WRD,W?QUOTE
JUMP ?CND49
?ELS51: EQUAL? WRD,W?THEN \?CND49
ZERO? VERB \?CND49
PUT P-ITBL,P-VERB,ACT?TELL
PUT P-ITBL,P-VERBN,0
SET 'WRD,W?QUOTE
?CND49: EQUAL? WRD,W?THEN,W?PERIOD /?THN61
EQUAL? WRD,W?QUOTE \?ELS60
?THN61: EQUAL? WRD,W?QUOTE \?CND63
ZERO? QUOTE-FLAG /?ELS68
SET 'QUOTE-FLAG,FALSE-VALUE
JUMP ?CND63
?ELS68: SET 'QUOTE-FLAG,TRUE-VALUE
?CND63: ZERO? P-LEN /?THN72
ADD PTR,P-LEXELEN >P-CONT
?THN72: PUTB P-LEXV,P-LEXWORDS,P-LEN
JUMP ?REP41
?ELS60: CALL WT?,WRD,PS?DIRECTION,P1?DIRECTION >VAL
ZERO? VAL /?ELS75
EQUAL? VERB,FALSE-VALUE,ACT?WALK \?ELS75
EQUAL? LEN,1 /?THN78
EQUAL? LEN,2 \?ELS81
EQUAL? VERB,ACT?WALK /?THN78
?ELS81: ADD PTR,P-LEXELEN
GET P-LEXV,STACK >NW
EQUAL? NW,W?THEN,W?PERIOD,W?QUOTE \?ELS83
LESS? LEN,2 \?THN78
?ELS83: ZERO? QUOTE-FLAG /?ELS85
EQUAL? LEN,2 \?ELS85
EQUAL? NW,W?QUOTE /?THN78
?ELS85: GRTR? LEN,2 \?ELS75
EQUAL? NW,W?COMMA,W?AND \?ELS75
?THN78: SET 'DIR,VAL
EQUAL? NW,W?COMMA,W?AND \?CND88
ADD PTR,P-LEXELEN
PUT P-LEXV,STACK,W?THEN
?CND88: GRTR? LEN,2 /?CND42
SET 'QUOTE-FLAG,FALSE-VALUE
JUMP ?REP41
?ELS75: CALL WT?,WRD,PS?VERB,P1?VERB >VAL
ZERO? VAL /?ELS95
ZERO? VERB \?ELS95
SET 'VERB,VAL
PUT P-ITBL,P-VERB,VAL
PUT P-ITBL,P-VERBN,P-VTBL
PUT P-VTBL,0,WRD
MUL PTR,2
ADD STACK,2 >NUM
GETB P-LEXV,NUM
PUTB P-VTBL,2,STACK
ADD NUM,1
GETB P-LEXV,STACK
PUTB P-VTBL,3,STACK
JUMP ?CND42
?ELS95: CALL WT?,WRD,PS?PREPOSITION,0 >VAL
ZERO? VAL \?THN100
EQUAL? WRD,W?ALL,W?ONE,W?A /?THN104
CALL WT?,WRD,PS?ADJECTIVE
ZERO? STACK \?THN104
CALL WT?,WRD,PS?OBJECT
ZERO? STACK /?ELS99
?THN104: SET 'VAL,0
?THN100: GRTR? P-LEN,0 \?ELS108
ADD PTR,P-LEXELEN
GET P-LEXV,STACK
EQUAL? STACK,W?OF \?ELS108
ZERO? VAL \?ELS108
EQUAL? WRD,W?ALL,W?ONE,W?A /?ELS108
JUMP ?CND42
?ELS108: ZERO? VAL /?ELS112
ZERO? P-LEN /?THN115
ADD PTR,2
GET P-LEXV,STACK
EQUAL? STACK,W?THEN,W?PERIOD \?ELS112
?THN115: LESS? P-NCN,2 \?CND42
PUT P-ITBL,P-PREP1,VAL
PUT P-ITBL,P-PREP1N,WRD
JUMP ?CND42
?ELS112: EQUAL? P-NCN,2 \?ELS121
PRINTI "There were too many nouns in that sentence."
CRLF
RFALSE
?ELS121: INC 'P-NCN
CALL CLAUSE,PTR,VAL,WRD >PTR
ZERO? PTR /FALSE
LESS? PTR,0 \?CND42
SET 'QUOTE-FLAG,FALSE-VALUE
JUMP ?REP41
?ELS99: CALL WT?,WRD,PS?BUZZ-WORD
ZERO? STACK /?ELS132
JUMP ?CND42
?ELS132: CALL CANT-USE,PTR
RFALSE
?ELS46: CALL UNKNOWN-WORD,PTR
RFALSE
?CND42: SET 'LW,WRD
ADD PTR,P-LEXELEN >PTR
JUMP ?PRG40
?REP41: ZERO? DIR /?CND137
SET 'PRSA,V?WALK
SET 'PRSO,DIR
SET 'P-WALK-DIR,DIR
RETURN TRUE-VALUE
?CND137: SET 'P-WALK-DIR,FALSE-VALUE
ZERO? P-OFLAG /?CND141
CALL ORPHAN-MERGE
?CND141: CALL SYNTAX-CHECK
ZERO? STACK /FALSE
CALL SNARF-OBJECTS
ZERO? STACK /FALSE
CALL TAKE-CHECK
ZERO? STACK /FALSE
CALL MANY-CHECK
ZERO? STACK /FALSE
RTRUE
.FUNCT WT?,PTR,BIT,B1=5,OFFS=P-P1OFF,TYP
GETB PTR,P-PSOFF >TYP
BTST TYP,BIT \FALSE
GRTR? B1,4 /TRUE
BAND TYP,P-P1BITS >TYP
EQUAL? TYP,B1 /?CND13
INC 'OFFS
?CND13: GETB PTR,OFFS
RSTACK
.FUNCT CLAUSE,PTR,VAL,WRD,OFF,NUM,ANDFLG=0,FIRST??=1,NW,LW=0,?TMP1
SUB P-NCN,1
MUL STACK,2 >OFF
ZERO? VAL /?ELS3
ADD P-PREP1,OFF >NUM
PUT P-ITBL,NUM,VAL
ADD NUM,1
PUT P-ITBL,STACK,WRD
ADD PTR,P-LEXELEN >PTR
JUMP ?CND1
?ELS3: INC 'P-LEN
?CND1: ZERO? P-LEN \?CND6
DEC 'P-NCN
RETURN -1
?CND6: ADD P-NC1,OFF >NUM
MUL PTR,2
ADD P-LEXV,STACK
PUT P-ITBL,NUM,STACK
GET P-LEXV,PTR
EQUAL? STACK,W?THE,W?A,W?AN \?CND9
GET P-ITBL,NUM
ADD STACK,4
PUT P-ITBL,NUM,STACK
?CND9:
?PRG12: DLESS? 'P-LEN,0 \?CND14
ADD NUM,1 >?TMP1
MUL PTR,2
ADD P-LEXV,STACK
PUT P-ITBL,?TMP1,STACK
RETURN -1
?CND14: GET P-LEXV,PTR >WRD
ZERO? WRD \?THN20
CALL NUMBER?,PTR >WRD
ZERO? WRD /?ELS19
?THN20: ZERO? P-LEN \?ELS24
SET 'NW,0
JUMP ?CND22
?ELS24: ADD PTR,P-LEXELEN
GET P-LEXV,STACK >NW
?CND22: EQUAL? WRD,W?AND,W?COMMA \?ELS29
SET 'ANDFLG,TRUE-VALUE
JUMP ?CND17
?ELS29: EQUAL? WRD,W?ALL,W?ONE \?ELS31
EQUAL? NW,W?OF \?CND17
DEC 'P-LEN
ADD PTR,P-LEXELEN >PTR
JUMP ?CND17
?ELS31: EQUAL? WRD,W?THEN,W?PERIOD /?THN37
CALL WT?,WRD,PS?PREPOSITION
ZERO? STACK /?ELS36
ZERO? FIRST?? \?ELS36
?THN37: INC 'P-LEN
ADD NUM,1 >?TMP1
MUL PTR,2
ADD P-LEXV,STACK
PUT P-ITBL,?TMP1,STACK
SUB PTR,P-LEXELEN
RETURN STACK
?ELS36: CALL WT?,WRD,PS?OBJECT
ZERO? STACK /?ELS42
CALL WT?,WRD,PS?ADJECTIVE,P1?ADJECTIVE
ZERO? STACK /?ELS45
ZERO? NW /?ELS45
CALL WT?,NW,PS?OBJECT
ZERO? STACK /?ELS45
JUMP ?CND17
?ELS45: ZERO? ANDFLG \?ELS49
EQUAL? NW,W?BUT,W?EXCEPT /?ELS49
EQUAL? NW,W?AND,W?COMMA /?ELS49
ADD NUM,1 >?TMP1
ADD PTR,2
MUL STACK,2
ADD P-LEXV,STACK
PUT P-ITBL,?TMP1,STACK
RETURN PTR
?ELS49: SET 'ANDFLG,FALSE-VALUE
JUMP ?CND17
?ELS42: CALL WT?,WRD,PS?ADJECTIVE
ZERO? STACK \?CND17
CALL WT?,WRD,PS?BUZZ-WORD
ZERO? STACK /?ELS55
JUMP ?CND17
?ELS55: ZERO? ANDFLG /?ELS59
CALL WT?,WRD,PS?DIRECTION
ZERO? STACK \?THN62
CALL WT?,WRD,PS?VERB
ZERO? STACK /?ELS59
?THN62: SUB PTR,4 >PTR
ADD PTR,2
PUT P-LEXV,STACK,W?THEN
ADD P-LEN,2 >P-LEN
JUMP ?CND17
?ELS59: CALL WT?,WRD,PS?PREPOSITION
ZERO? STACK /?ELS65
JUMP ?CND17
?ELS65: CALL CANT-USE,PTR
RFALSE
?ELS19: CALL UNKNOWN-WORD,PTR
RFALSE
?CND17: SET 'LW,WRD
SET 'FIRST??,FALSE-VALUE
ADD PTR,P-LEXELEN >PTR
JUMP ?PRG12
.FUNCT NUMBER?,PTR,CNT,BPTR,CHR,SUM=0,TIM=0,?TMP1
MUL PTR,2
ADD P-LEXV,STACK
GETB STACK,2 >CNT
MUL PTR,2
ADD P-LEXV,STACK
GETB STACK,3 >BPTR
?PRG1: DLESS? 'CNT,0 \?ELS5
JUMP ?REP2
?ELS5: GETB P-INBUF,BPTR >CHR
EQUAL? CHR,58 \?ELS10
SET 'TIM,SUM
SET 'SUM,0
JUMP ?CND8
?ELS10: GRTR? SUM,10000 /FALSE
LESS? CHR,58 \FALSE
GRTR? CHR,47 \FALSE
MUL SUM,10 >?TMP1
SUB CHR,48
ADD ?TMP1,STACK >SUM
?CND8: INC 'BPTR
JUMP ?PRG1
?REP2: PUT P-LEXV,PTR,W?INTNUM
GRTR? SUM,1000 /FALSE
ZERO? TIM /?CND19
LESS? TIM,8 \?ELS27
ADD TIM,12 >TIM
JUMP ?CND25
?ELS27: GRTR? TIM,23 /FALSE
?CND25: MUL TIM,60
ADD SUM,STACK >SUM
?CND19: SET 'P-NUMBER,SUM
RETURN W?INTNUM
.FUNCT ORPHAN-MERGE,CNT=-1,TEMP,VERB,BEG,END,ADJ=0,WRD,?TMP1
SET 'P-OFLAG,FALSE-VALUE
GET P-ITBL,P-VERB >VERB
ZERO? VERB /?ELS3
GET P-OTBL,P-VERB
EQUAL? VERB,STACK \FALSE
?ELS3: EQUAL? P-NCN,2 /FALSE
GET P-OTBL,P-NC1
EQUAL? STACK,1 \?ELS9
GET P-ITBL,P-PREP1 >TEMP
GET P-OTBL,P-PREP1
EQUAL? TEMP,STACK /?THN13
ZERO? TEMP \FALSE
?THN13: GET P-ITBL,P-NC1
PUT P-OTBL,P-NC1,STACK
GET P-ITBL,P-NC1L
PUT P-OTBL,P-NC1L,STACK
JUMP ?CND1
?ELS9: GET P-OTBL,P-NC2
EQUAL? STACK,1 \?ELS18
GET P-ITBL,P-PREP1 >TEMP
GET P-OTBL,P-PREP2
EQUAL? TEMP,STACK /?THN22
ZERO? TEMP \FALSE
?THN22: GET P-ITBL,P-NC1
PUT P-OTBL,P-NC2,STACK
GET P-ITBL,P-NC1L
PUT P-OTBL,P-NC2L,STACK
SET 'P-NCN,2
JUMP ?CND1
?ELS18: ZERO? P-ACLAUSE /?CND1
EQUAL? P-NCN,1 /?ELS31
SET 'P-ACLAUSE,FALSE-VALUE
RFALSE
?ELS31: GET P-ITBL,P-NC1 >BEG
GET P-ITBL,P-NC1L >END
?PRG34: EQUAL? BEG,END \?ELS38
ZERO? ADJ /?ELS41
CALL ACLAUSE-WIN,ADJ
JUMP ?CND29
?ELS41: SET 'P-ACLAUSE,FALSE-VALUE
RFALSE
?ELS38: ZERO? ADJ \?ELS46
GET BEG,0 >WRD
GETB WRD,P-PSOFF
BTST STACK,PS?ADJECTIVE \?ELS46
SET 'ADJ,WRD
JUMP ?CND36
?ELS46: GETB WRD,P-PSOFF
BTST STACK,PS?OBJECT /?THN51
EQUAL? WRD,W?ONE \?CND36
?THN51: EQUAL? WRD,P-ANAM,W?ONE \FALSE
CALL ACLAUSE-WIN,ADJ
JUMP ?CND29
?CND36: ADD BEG,P-WORDLEN >BEG
JUMP ?PRG34
?CND29:
?CND1:
?PRG58: IGRTR? 'CNT,P-ITBLLEN \?ELS62
SET 'P-MERGED,TRUE-VALUE
RTRUE
?ELS62: GET P-OTBL,CNT
PUT P-ITBL,CNT,STACK
JUMP ?PRG58
.FUNCT ACLAUSE-WIN,ADJ
SET 'P-CCSRC,P-OTBL
ADD P-ACLAUSE,1
CALL CLAUSE-COPY,P-ACLAUSE,STACK,ADJ
GET P-OTBL,P-NC2
ZERO? STACK /?ELS2
SET 'P-NCN,2
?ELS2: SET 'P-ACLAUSE,FALSE-VALUE
RTRUE
.FUNCT WORD-PRINT,CNT,BUF
?PRG1: DLESS? 'CNT,0 /TRUE
GETB P-INBUF,BUF
PRINTC STACK
INC 'BUF
JUMP ?PRG1
.FUNCT UNKNOWN-WORD,PTR,BUF,?TMP1
EQUAL? PRSA,V?SAY \?CND1
PRINTI "Nothing happens."
CRLF
RFALSE
?CND1: PRINTI "I don't know the word """
MUL PTR,2 >BUF
ADD P-LEXV,BUF
GETB STACK,2 >?TMP1
ADD P-LEXV,BUF
GETB STACK,3
CALL WORD-PRINT,?TMP1,STACK
PRINTI """."
CRLF
SET 'QUOTE-FLAG,FALSE-VALUE
SET 'P-OFLAG,FALSE-VALUE
RETURN P-OFLAG
.FUNCT CANT-USE,PTR,BUF,?TMP1
EQUAL? PRSA,V?SAY \?CND1
PRINTI "Nothing happens."
CRLF
RFALSE
?CND1: PRINTI "You used the word """
MUL PTR,2 >BUF
ADD P-LEXV,BUF
GETB STACK,2 >?TMP1
ADD P-LEXV,BUF
GETB STACK,3
CALL WORD-PRINT,?TMP1,STACK
PRINTI """ in a way that I don't understand."
CRLF
SET 'QUOTE-FLAG,FALSE-VALUE
SET 'P-OFLAG,FALSE-VALUE
RETURN P-OFLAG
.FUNCT SYNTAX-CHECK,SYN,LEN,NUM,OBJ,DRIVE1=0,DRIVE2=0,PREP,VERB,TMP,?TMP2,?TMP1
GET P-ITBL,P-VERB >VERB
ZERO? VERB \?CND1
PRINTI "There was no verb in that sentence!"
CRLF
RFALSE
?CND1: SUB 255,VERB
GET VERBS,STACK >SYN
GETB SYN,0 >LEN
ADD 1,SYN >SYN
?PRG6: GETB SYN,P-SBITS
BAND STACK,P-SONUMS >NUM
LESS? NUM,1 /?ELS10
ZERO? P-NCN \?ELS10
GET P-ITBL,P-PREP1 >PREP
ZERO? PREP /?THN13
GETB SYN,P-SPREP1
EQUAL? PREP,STACK \?ELS10
?THN13: SET 'DRIVE1,SYN
JUMP ?CND8
?ELS10: GETB SYN,P-SPREP1 >?TMP1
GET P-ITBL,P-PREP1
EQUAL? ?TMP1,STACK \?CND8
EQUAL? NUM,2 \?ELS19
EQUAL? P-NCN,1 \?ELS19
SET 'DRIVE2,SYN
JUMP ?CND8
?ELS19: GETB SYN,P-SPREP2 >?TMP1
GET P-ITBL,P-PREP2
EQUAL? ?TMP1,STACK \?CND8
CALL SYNTAX-FOUND,SYN
RTRUE
?CND8: DLESS? 'LEN,1 \?ELS26
ZERO? DRIVE1 \?REP7
ZERO? DRIVE2 /?ELS29
JUMP ?REP7
?ELS29: PRINTI "That sentence isn't one I recognize."
CRLF
RFALSE
?ELS26: ADD SYN,P-SYNLEN >SYN
JUMP ?PRG6
?REP7: ZERO? DRIVE1 /?ELS42
GETB DRIVE1,P-SFWIM1 >?TMP2
GETB DRIVE1,P-SLOC1 >?TMP1
GETB DRIVE1,P-SPREP1
CALL GWIM,?TMP2,?TMP1,STACK >OBJ
ZERO? OBJ /?ELS42
PUT P-PRSO,P-MATCHLEN,1
PUT P-PRSO,1,OBJ
CALL SYNTAX-FOUND,DRIVE1
RSTACK
?ELS42: ZERO? DRIVE2 /?ELS46
GETB DRIVE2,P-SFWIM2 >?TMP2
GETB DRIVE2,P-SLOC2 >?TMP1
GETB DRIVE2,P-SPREP2
CALL GWIM,?TMP2,?TMP1,STACK >OBJ
ZERO? OBJ /?ELS46
PUT P-PRSI,P-MATCHLEN,1
PUT P-PRSI,1,OBJ
CALL SYNTAX-FOUND,DRIVE2
RSTACK
?ELS46: EQUAL? VERB,ACT?FIND \?ELS50
PRINTI "That question can't be answered."
CRLF
RFALSE
?ELS50: CALL ORPHAN,DRIVE1,DRIVE2
PRINTI "What do you want to "
GET P-OTBL,P-VERBN >TMP
ZERO? TMP \?ELS59
PRINTI "tell"
JUMP ?CND57
?ELS59: GETB P-VTBL,2
ZERO? STACK \?ELS63
GET TMP,0
PRINTB STACK
JUMP ?CND57
?ELS63: GETB TMP,2 >?TMP1
GETB TMP,3
CALL WORD-PRINT,?TMP1,STACK
PUTB P-VTBL,2,0
?CND57: ZERO? DRIVE2 /?CND66
CALL CLAUSE-PRINT,P-NC1,P-NC1L
?CND66: SET 'P-OFLAG,TRUE-VALUE
ZERO? DRIVE1 /?ELS74
GETB DRIVE1,P-SPREP1
JUMP ?CND70
?ELS74: GETB DRIVE2,P-SPREP2
?CND70: CALL PREP-PRINT,STACK
PRINTI "?"
CRLF
RFALSE
.FUNCT ORPHAN,D1,D2,CNT=-1
PUT P-OCLAUSE,P-MATCHLEN,0
SET 'P-CCSRC,P-ITBL
?PRG1: IGRTR? 'CNT,P-ITBLLEN \?ELS5
JUMP ?REP2
?ELS5: GET P-ITBL,CNT
PUT P-OTBL,CNT,STACK
JUMP ?PRG1
?REP2: EQUAL? P-NCN,2 \?CND8
CALL CLAUSE-COPY,P-NC2,P-NC2L
?CND8: LESS? P-NCN,1 /?CND11
CALL CLAUSE-COPY,P-NC1,P-NC1L
?CND11: ZERO? D1 /?ELS18
GETB D1,P-SPREP1
PUT P-OTBL,P-PREP1,STACK
PUT P-OTBL,P-NC1,1
RTRUE
?ELS18: ZERO? D2 /FALSE
GETB D2,P-SPREP2
PUT P-OTBL,P-PREP2,STACK
PUT P-OTBL,P-NC2,1
RTRUE
.FUNCT CLAUSE-PRINT,BPTR,EPTR,?TMP1
GET P-ITBL,BPTR >?TMP1
GET P-ITBL,EPTR
CALL BUFFER-PRINT,?TMP1,STACK,TRUE-VALUE
RSTACK
.FUNCT BUFFER-PRINT,BEG,END,CP,NOSP=0,WRD,FIRST??=1,PN=0,?TMP1
?PRG1: EQUAL? BEG,END /TRUE
ZERO? NOSP /?ELS10
SET 'NOSP,FALSE-VALUE
JUMP ?CND8
?ELS10: PRINTI " "
?CND8: GET BEG,0 >WRD
EQUAL? WRD,W?PERIOD \?ELS18
SET 'NOSP,TRUE-VALUE
JUMP ?CND3
?ELS18: ZERO? FIRST?? /?CND21
ZERO? PN \?CND21
ZERO? CP /?CND21
PRINTI "the "
?CND21: ZERO? P-OFLAG /?ELS30
PRINTB WRD
JUMP ?CND28
?ELS30: EQUAL? WRD,W?IT \?ELS33
EQUAL? P-IT-LOC,HERE \?ELS33
PRINTD P-IT-OBJECT
JUMP ?CND28
?ELS33: GETB BEG,2 >?TMP1
GETB BEG,3
CALL WORD-PRINT,?TMP1,STACK
?CND28: SET 'FIRST??,FALSE-VALUE
?CND3: ADD BEG,P-WORDLEN >BEG
JUMP ?PRG1
.FUNCT CAPITALIZE,PTR,?TMP1
GETB PTR,3
GETB P-INBUF,STACK
SUB STACK,32
PRINTC STACK
GETB PTR,2
SUB STACK,1 >?TMP1
GETB PTR,3
ADD STACK,1
CALL WORD-PRINT,?TMP1,STACK
RSTACK
.FUNCT PREP-PRINT,PREP,WRD
ZERO? PREP /FALSE
PRINTI " "
CALL PREP-FIND,PREP >WRD
PRINTB WRD
RTRUE
.FUNCT CLAUSE-COPY,BPTR,EPTR,INSRT=0,BEG,END
GET P-CCSRC,BPTR >BEG
GET P-CCSRC,EPTR >END
GET P-OCLAUSE,P-MATCHLEN
MUL STACK,P-LEXELEN
ADD STACK,2
ADD P-OCLAUSE,STACK
PUT P-OTBL,BPTR,STACK
?PRG1: EQUAL? BEG,END \?ELS5
GET P-OCLAUSE,P-MATCHLEN
MUL STACK,P-LEXELEN
ADD STACK,2
ADD P-OCLAUSE,STACK
PUT P-OTBL,EPTR,STACK
RTRUE
?ELS5: ZERO? INSRT /?CND8
GET BEG,0
EQUAL? P-ANAM,STACK \?CND8
CALL CLAUSE-ADD,INSRT
?CND8: GET BEG,0
CALL CLAUSE-ADD,STACK
?CND3: ADD BEG,P-WORDLEN >BEG
JUMP ?PRG1
.FUNCT CLAUSE-ADD,WRD,PTR
GET P-OCLAUSE,P-MATCHLEN
ADD STACK,2 >PTR
SUB PTR,1
PUT P-OCLAUSE,STACK,WRD
PUT P-OCLAUSE,PTR,0
PUT P-OCLAUSE,P-MATCHLEN,PTR
RTRUE
.FUNCT PREP-FIND,PREP,CNT=0,SIZE
GET PREPOSITIONS,0
MUL STACK,2 >SIZE
?PRG1: IGRTR? 'CNT,SIZE /FALSE
GET PREPOSITIONS,CNT
EQUAL? STACK,PREP \?PRG1
SUB CNT,1
GET PREPOSITIONS,STACK
RETURN STACK
.FUNCT SYNTAX-FOUND,SYN
SET 'P-SYNTAX,SYN
GETB SYN,P-SACTION >PRSA
RETURN PRSA
.FUNCT GWIM,GBIT,LBIT,PREP,OBJ
EQUAL? GBIT,RMUNGBIT \?CND1
RETURN ROOMS
?CND1: SET 'P-GWIMBIT,GBIT
SET 'P-SLOCBITS,LBIT
PUT P-MERGE,P-MATCHLEN,0
CALL GET-OBJECT,P-MERGE,FALSE-VALUE
ZERO? STACK /?ELS8
SET 'P-GWIMBIT,0
GET P-MERGE,P-MATCHLEN
EQUAL? STACK,1 \FALSE
GET P-MERGE,1 >OBJ
PRINTI "("
ZERO? PREP /?CND16
CALL PREP-FIND,PREP
PRINTB STACK
PRINTI " the "
?CND16: PRINTD OBJ
PRINTI ")"
CRLF
RETURN OBJ
?ELS8: SET 'P-GWIMBIT,0
RFALSE
.FUNCT SNARF-OBJECTS,PTR
GET P-ITBL,P-NC1 >PTR
ZERO? PTR /?CND1
GETB P-SYNTAX,P-SLOC1 >P-SLOCBITS
GET P-ITBL,P-NC1L
CALL SNARFEM,PTR,STACK,P-PRSO
ZERO? STACK /FALSE
GET P-BUTS,P-MATCHLEN
ZERO? STACK /?CND1
CALL BUT-MERGE,P-PRSO >P-PRSO
?CND1: GET P-ITBL,P-NC2 >PTR
ZERO? PTR /TRUE
GETB P-SYNTAX,P-SLOC2 >P-SLOCBITS
GET P-ITBL,P-NC2L
CALL SNARFEM,PTR,STACK,P-PRSI
ZERO? STACK /FALSE
GET P-BUTS,P-MATCHLEN
ZERO? STACK /TRUE
GET P-PRSI,P-MATCHLEN
EQUAL? STACK,1 \?ELS18
CALL BUT-MERGE,P-PRSO >P-PRSO
RTRUE
?ELS18: CALL BUT-MERGE,P-PRSI >P-PRSI
RTRUE
.FUNCT BUT-MERGE,TBL,LEN,BUTLEN,CNT=1,MATCHES=0,OBJ,NTBL
GET TBL,P-MATCHLEN >LEN
PUT P-MERGE,P-MATCHLEN,0
?PRG1: DLESS? 'LEN,0 \?ELS5
JUMP ?REP2
?ELS5: GET TBL,CNT >OBJ
CALL ZMEMQ,OBJ,P-BUTS
ZERO? STACK /?ELS7
JUMP ?CND3
?ELS7: ADD MATCHES,1
PUT P-MERGE,STACK,OBJ
INC 'MATCHES
?CND3: INC 'CNT
JUMP ?PRG1
?REP2: PUT P-MERGE,P-MATCHLEN,MATCHES
SET 'NTBL,P-MERGE
SET 'P-MERGE,TBL
RETURN NTBL
.FUNCT SNARFEM,PTR,EPTR,TBL,BUT=0,LEN,WV,WRD,NW
SET 'P-GETFLAGS,0
SET 'P-CSPTR,PTR
SET 'P-CEPTR,EPTR
PUT P-BUTS,P-MATCHLEN,0
PUT TBL,P-MATCHLEN,0
GET PTR,0 >WRD
?PRG1: EQUAL? PTR,EPTR \?ELS5
ZERO? BUT /?ORP9
PUSH BUT
JUMP ?THN6
?ORP9: PUSH TBL
?THN6: CALL GET-OBJECT,STACK
RETURN STACK
?ELS5: GET PTR,P-LEXELEN >NW
EQUAL? WRD,W?ALL \?ELS14
SET 'P-GETFLAGS,P-ALL
EQUAL? NW,W?OF \?CND12
ADD PTR,P-WORDLEN >PTR
JUMP ?CND12
?ELS14: EQUAL? WRD,W?BUT,W?EXCEPT \?ELS19
ZERO? BUT /?ORP25
PUSH BUT
JUMP ?THN22
?ORP25: PUSH TBL
?THN22: CALL GET-OBJECT,STACK
ZERO? STACK /FALSE
SET 'BUT,P-BUTS
PUT BUT,P-MATCHLEN,0
JUMP ?CND3
?ELS19: EQUAL? WRD,W?A,W?ONE \?ELS27
ZERO? P-ADJ \?ELS30
SET 'P-GETFLAGS,P-ONE
EQUAL? NW,W?OF \?CND3
ADD PTR,P-WORDLEN >PTR
JUMP ?CND3
?ELS30: SET 'P-NAM,P-ONEOBJ
ZERO? BUT /?ORP41
PUSH BUT
JUMP ?THN38
?ORP41: PUSH TBL
?THN38: CALL GET-OBJECT,STACK
ZERO? STACK /FALSE
ZERO? NW /TRUE
JUMP ?CND3
?ELS27: EQUAL? WRD,W?AND,W?COMMA \?ELS45
EQUAL? NW,W?AND,W?COMMA /?ELS45
ZERO? BUT /?ORP53
PUSH BUT
JUMP ?THN50
?ORP53: PUSH TBL
?THN50: CALL GET-OBJECT,STACK
ZERO? STACK \?CND12
RFALSE
?ELS45: CALL WT?,WRD,PS?BUZZ-WORD
ZERO? STACK /?ELS55
JUMP ?CND3
?ELS55: EQUAL? WRD,W?AND,W?COMMA \?ELS57
JUMP ?CND3
?ELS57: EQUAL? WRD,W?OF \?ELS59
ZERO? P-GETFLAGS \?CND12
SET 'P-GETFLAGS,P-INHIBIT
JUMP ?CND12
?ELS59: CALL WT?,WRD,PS?ADJECTIVE,P1?ADJECTIVE >WV
ZERO? WV /?ELS64
ZERO? P-ADJ \?ELS64
SET 'P-ADJ,WV
SET 'P-ADJN,WRD
JUMP ?CND3
?ELS64: CALL WT?,WRD,PS?OBJECT,P1?OBJECT
ZERO? STACK /?CND3
SET 'P-NAM,WRD
SET 'P-ONEOBJ,WRD
?CND12:
?CND3: EQUAL? PTR,EPTR /?PRG1
ADD PTR,P-WORDLEN >PTR
SET 'WRD,NW
JUMP ?PRG1
.FUNCT GET-OBJECT,TBL,VRB=1,BTS,LEN,XBITS,TLEN,GCHECK=0,OLEN=0
SET 'XBITS,P-SLOCBITS
GET TBL,P-MATCHLEN >TLEN
BTST P-GETFLAGS,P-INHIBIT /TRUE
ZERO? P-NAM \?CND4
ZERO? P-ADJ /?CND4
CALL WT?,P-ADJN,PS?OBJECT,P1?OBJECT
ZERO? STACK /?ELS11
SET 'P-NAM,P-ADJN
SET 'P-ADJ,FALSE-VALUE
JUMP ?CND4
?ELS11: CALL WT?,P-ADJN,PS?DIRECTION,P1?DIRECTION >BTS
ZERO? BTS /?CND4
SET 'P-ADJ,FALSE-VALUE
PUT TBL,P-MATCHLEN,1
PUT TBL,1,INTDIR
SET 'P-DIRECTION,BTS
RTRUE
?CND4: ZERO? P-NAM \?CND14
ZERO? P-ADJ \?CND14
EQUAL? P-GETFLAGS,P-ALL /?CND14
ZERO? P-GWIMBIT \?CND14
ZERO? VRB /FALSE
PRINTI "There seems to be a noun missing in that sentence!"
CRLF
RFALSE
?CND14: EQUAL? P-GETFLAGS,P-ALL \?THN28
ZERO? P-SLOCBITS \?CND25
?THN28: SET 'P-SLOCBITS,-1
?CND25: SET 'P-TABLE,TBL
?PRG30: ZERO? GCHECK /?ELS34
CALL GLOBAL-CHECK,TBL
JUMP ?CND32
?ELS34: ZERO? LIT /?CND38
CALL DO-SL,HERE,SOG,SIR
?CND38: CALL DO-SL,WINNER,SH,SC
EQUAL? WINNER,PLAYER /?CND32
CALL DO-SL,PLAYER,SH,SC
?CND32: GET TBL,P-MATCHLEN
SUB STACK,TLEN >LEN
BTST P-GETFLAGS,P-ALL \?ELS47
JUMP ?CND45
?ELS47: BTST P-GETFLAGS,P-ONE \?ELS49
ZERO? LEN /?ELS49
EQUAL? LEN,1 /?CND52
RANDOM LEN
GET TBL,STACK
PUT TBL,1,STACK
PRINTI "(How about the "
GET TBL,1
PRINTD STACK
PRINTI "?)"
CRLF
?CND52: PUT TBL,P-MATCHLEN,1
JUMP ?CND45
?ELS49: GRTR? LEN,1 /?THN61
ZERO? LEN \?ELS60
EQUAL? P-SLOCBITS,-1 /?ELS60
?THN61: EQUAL? P-SLOCBITS,-1 \?ELS67
SET 'P-SLOCBITS,XBITS
SET 'OLEN,LEN
GET TBL,P-MATCHLEN
SUB STACK,LEN
PUT TBL,P-MATCHLEN,STACK
JUMP ?PRG30
?ELS67: ZERO? LEN \?CND70
SET 'LEN,OLEN
?CND70: ZERO? VRB /?ELS75
ZERO? P-NAM /?ELS75
CALL WHICH-PRINT,TLEN,LEN,TBL
EQUAL? TBL,P-PRSO \?ELS82
PUSH P-NC1
JUMP ?CND78
?ELS82: PUSH P-NC2
?CND78: SET 'P-ACLAUSE,STACK
SET 'P-AADJ,P-ADJ
SET 'P-ANAM,P-NAM
CALL ORPHAN,FALSE-VALUE,FALSE-VALUE
SET 'P-OFLAG,TRUE-VALUE
JUMP ?CND73
?ELS75: ZERO? VRB /?CND73
PRINTI "There seems to be a noun missing in that sentence!"
CRLF
?CND73: SET 'P-NAM,FALSE-VALUE
SET 'P-ADJ,FALSE-VALUE
RFALSE
?ELS60: ZERO? LEN \?ELS91
ZERO? GCHECK /?ELS91
ZERO? VRB /?CND94
EQUAL? WINNER,PLAYER /?ELS100
PRINTI """I can't see that here!"""
CRLF
JUMP ?CND94
?ELS100: ZERO? LIT /?ELS104
PRINTI "You can't see any"
ZERO? P-OFLAG /?ELS110
ZERO? P-ADJ /?CND112
PRINTI " "
PRINTB P-ADJN
?CND112: ZERO? P-NAM /?CND108
PRINTI " "
PRINTB P-NAM
JUMP ?CND108
?ELS110: CALL BUFFER-PRINT,P-CSPTR,P-CEPTR,FALSE-VALUE
?CND108: PRINTI " here."
CRLF
JUMP ?CND94
?ELS104: PRINTI "It's too dark to see."
CRLF
?CND94: SET 'P-NAM,FALSE-VALUE
SET 'P-ADJ,FALSE-VALUE
RFALSE
?ELS91: ZERO? LEN \?CND45
SET 'GCHECK,TRUE-VALUE
JUMP ?PRG30
?CND45: SET 'P-ADJ,FALSE-VALUE
SET 'P-NAM,FALSE-VALUE
SET 'P-SLOCBITS,XBITS
RTRUE
.FUNCT WHICH-PRINT,TLEN,LEN,TBL,OBJ,RLEN
SET 'RLEN,LEN
PRINTI "Which "
PRINTB P-NAM
PRINTI " do you mean, "
?PRG5: INC 'TLEN
GET TBL,TLEN >OBJ
PRINTI "the "
PRINTD OBJ
EQUAL? LEN,2 \?ELS11
EQUAL? RLEN,2 /?CND12
PRINTI ","
?CND12: PRINTI " or "
JUMP ?CND9
?ELS11: GRTR? LEN,2 \?CND9
PRINTI ", "
?CND9: DLESS? 'LEN,1 \?PRG5
PRINTR "?"
.FUNCT GLOBAL-CHECK,TBL,LEN,RMG,RMGL,CNT=0,OBJ,OBITS,FOO
GET TBL,P-MATCHLEN >LEN
SET 'OBITS,P-SLOCBITS
GETPT HERE,P?GLOBAL >RMG
ZERO? RMG /?CND1
PTSIZE RMG
SUB STACK,1 >RMGL
?PRG4: GETB RMG,CNT >OBJ
CALL THIS-IT?,OBJ,TBL
ZERO? STACK /?CND6
CALL OBJ-FOUND,OBJ,TBL
?CND6: IGRTR? 'CNT,RMGL \?PRG4
?CND1: GETPT HERE,P?PSEUDO >RMG
ZERO? RMG /?CND12
PTSIZE RMG
DIV STACK,4
SUB STACK,1 >RMGL
SET 'CNT,0
?PRG15: MUL CNT,2
GET RMG,STACK
EQUAL? P-NAM,STACK \?ELS19
MUL CNT,2
ADD STACK,1
GET RMG,STACK
PUTP PSEUDO-OBJECT,P?ACTION,STACK
GETPT PSEUDO-OBJECT,P?ACTION
SUB STACK,5 >FOO
GET P-NAM,0
PUT FOO,0,STACK
GET P-NAM,1
PUT FOO,1,STACK
CALL OBJ-FOUND,PSEUDO-OBJECT,TBL
JUMP ?CND12
?ELS19: IGRTR? 'CNT,RMGL \?PRG15
?CND12: GET TBL,P-MATCHLEN
EQUAL? STACK,LEN \FALSE
SET 'P-SLOCBITS,-1
SET 'P-TABLE,TBL
CALL DO-SL,GLOBAL-OBJECTS,1,1
SET 'P-SLOCBITS,OBITS
GET TBL,P-MATCHLEN
ZERO? STACK \FALSE
EQUAL? PRSA,V?LOOK-INSIDE,V?SEARCH,V?EXAMINE \FALSE
CALL DO-SL,ROOMS,1,1
RSTACK
.FUNCT DO-SL,OBJ,BIT1,BIT2,BTS
ADD BIT1,BIT2
BTST P-SLOCBITS,STACK \?ELS5
CALL SEARCH-LIST,OBJ,P-TABLE,P-SRCALL
RSTACK
?ELS5: BTST P-SLOCBITS,BIT1 \?ELS12
CALL SEARCH-LIST,OBJ,P-TABLE,P-SRCTOP
RSTACK
?ELS12: BTST P-SLOCBITS,BIT2 \TRUE
CALL SEARCH-LIST,OBJ,P-TABLE,P-SRCBOT
RSTACK
.FUNCT SEARCH-LIST,OBJ,TBL,LVL,FLS,NOBJ
FIRST? OBJ >OBJ \FALSE
?PRG6: EQUAL? LVL,P-SRCBOT /?CND8
GETPT OBJ,P?SYNONYM
ZERO? STACK /?CND8
CALL THIS-IT?,OBJ,TBL
ZERO? STACK /?CND8
CALL OBJ-FOUND,OBJ,TBL
?CND8: EQUAL? LVL,P-SRCTOP \?THN18
FSET? OBJ,SEARCHBIT /?THN18
FSET? OBJ,SURFACEBIT \?CND13
?THN18: FIRST? OBJ >NOBJ \?CND13
FSET? OBJ,OPENBIT /?THN20
FSET? OBJ,TRANSBIT \?CND13
?THN20: FSET? OBJ,SURFACEBIT \?ELS26
PUSH P-SRCALL
JUMP ?CND22
?ELS26: FSET? OBJ,SEARCHBIT \?ELS28
PUSH P-SRCALL
JUMP ?CND22
?ELS28: PUSH P-SRCTOP
?CND22: CALL SEARCH-LIST,OBJ,TBL,STACK >FLS
?CND13: NEXT? OBJ >OBJ /?PRG6
RTRUE
.FUNCT OBJ-FOUND,OBJ,TBL,PTR
GET TBL,P-MATCHLEN >PTR
ADD PTR,1
PUT TBL,STACK,OBJ
ADD PTR,1
PUT TBL,P-MATCHLEN,STACK
RTRUE
.FUNCT TAKE-CHECK
GETB P-SYNTAX,P-SLOC1
CALL ITAKE-CHECK,P-PRSO,STACK
ZERO? STACK /FALSE
GETB P-SYNTAX,P-SLOC2
CALL ITAKE-CHECK,P-PRSI,STACK
RSTACK
.FUNCT ITAKE-CHECK,TBL,BTS,PTR,OBJ,TAKEN
GET TBL,P-MATCHLEN >PTR
ZERO? PTR /TRUE
BTST BTS,STAKE \TRUE
?PRG8: DLESS? 'PTR,0 /TRUE
ADD PTR,1
GET TBL,STACK >OBJ
EQUAL? OBJ,IT \?CND15
SET 'OBJ,P-IT-OBJECT
?CND15: IN? OBJ,WINNER /?PRG8
SET 'PRSO,OBJ
FSET? OBJ,TRYTAKEBIT \?ELS23
SET 'TAKEN,TRUE-VALUE
JUMP ?CND21
?ELS23: CALL ITAKE,FALSE-VALUE
EQUAL? STACK,TRUE-VALUE \?ELS25
SET 'TAKEN,FALSE-VALUE
JUMP ?CND21
?ELS25: SET 'TAKEN,TRUE-VALUE
?CND21: ZERO? TAKEN /?ELS30
BTST BTS,SHAVE \?ELS30
PRINTI "You don't have the "
PRINTD OBJ
PRINTI "."
CRLF
RFALSE
?ELS30: ZERO? TAKEN \?PRG8
PRINTI "(Taken)"
CRLF
JUMP ?PRG8
.FUNCT MANY-CHECK,LOSS=0,TMP,?TMP1
GET P-PRSO,P-MATCHLEN
GRTR? STACK,1 \?ELS3
GETB P-SYNTAX,P-SLOC1
BTST STACK,SMANY /?ELS3
SET 'LOSS,1
JUMP ?CND1
?ELS3: GET P-PRSI,P-MATCHLEN
GRTR? STACK,1 \?CND1
GETB P-SYNTAX,P-SLOC2
BTST STACK,SMANY /?CND1
SET 'LOSS,2
?CND1: ZERO? LOSS /TRUE
PRINTI "You can't use multiple "
EQUAL? LOSS,2 \?CND18
PRINTI "in"
?CND18: PRINTI "direct objects with """
GET P-ITBL,P-VERBN >TMP
ZERO? TMP \?ELS27
PRINTI "tell"
JUMP ?CND25
?ELS27: ZERO? P-OFLAG \?THN32
ZERO? P-MERGED /?ELS31
?THN32: GET TMP,0
PRINTB STACK
JUMP ?CND25
?ELS31: GETB TMP,2 >?TMP1
GETB TMP,3
CALL WORD-PRINT,?TMP1,STACK
?CND25: PRINTI """."
CRLF
RFALSE
.FUNCT ZMEMQ,ITM,TBL,SIZE=-1,CNT=1
ZERO? TBL /FALSE
LESS? SIZE,0 /?ELS6
SET 'CNT,0
JUMP ?CND4
?ELS6: GET TBL,0 >SIZE
?CND4:
?PRG9: GET TBL,CNT
EQUAL? ITM,STACK /TRUE
IGRTR? 'CNT,SIZE \?PRG9
RFALSE
.FUNCT ZMEMQB,ITM,TBL,SIZE,CNT=0
?PRG1: GETB TBL,CNT
EQUAL? ITM,STACK /TRUE
IGRTR? 'CNT,SIZE \?PRG1
RFALSE
.FUNCT LIT?,RM,OHERE,LIT=0
SET 'P-GWIMBIT,ONBIT
SET 'OHERE,HERE
SET 'HERE,RM
FSET? RM,ONBIT \?ELS3
SET 'LIT,TRUE-VALUE
JUMP ?CND1
?ELS3: PUT P-MERGE,P-MATCHLEN,0
SET 'P-TABLE,P-MERGE
SET 'P-SLOCBITS,-1
EQUAL? OHERE,RM \?CND6
CALL DO-SL,WINNER,1,1
?CND6: CALL DO-SL,RM,1,1
GET P-TABLE,P-MATCHLEN
GRTR? STACK,0 \?CND1
SET 'LIT,TRUE-VALUE
?CND1: SET 'HERE,OHERE
SET 'P-GWIMBIT,0
RETURN LIT
.FUNCT PRSO-PRINT,PTR
ZERO? P-MERGED \?THN6
GET P-ITBL,P-NC1 >PTR
GET PTR,0
EQUAL? STACK,W?IT \?ELS5
?THN6: PRINTI " "
PRINTD PRSO
RTRUE
?ELS5: GET P-ITBL,P-NC1L
CALL BUFFER-PRINT,PTR,STACK,FALSE-VALUE
RSTACK
.FUNCT PRSI-PRINT,PTR
ZERO? P-MERGED \?THN6
GET P-ITBL,P-NC2 >PTR
GET PTR,0
EQUAL? STACK,W?IT \?ELS5
?THN6: PRINTI " "
PRINTD PRSO
RTRUE
?ELS5: GET P-ITBL,P-NC2L
CALL BUFFER-PRINT,PTR,STACK,FALSE-VALUE
RSTACK
.FUNCT THIS-IT?,OBJ,TBL,SYNS,?TMP1
FSET? OBJ,INVISIBLE /FALSE
ZERO? P-NAM /?ELS5
GETPT OBJ,P?SYNONYM >SYNS
PTSIZE SYNS
DIV STACK,2
SUB STACK,1
CALL ZMEMQ,P-NAM,SYNS,STACK
ZERO? STACK /FALSE
?ELS5: ZERO? P-ADJ /?ELS9
GETPT OBJ,P?ADJECTIVE >SYNS
ZERO? SYNS /FALSE
PTSIZE SYNS
SUB STACK,1
CALL ZMEMQB,P-ADJ,SYNS,STACK
ZERO? STACK /FALSE
?ELS9: ZERO? P-GWIMBIT /TRUE
FSET? OBJ,P-GWIMBIT /TRUE
RFALSE
.ENDI