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algstb.mac
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;
;
;
;
;
;
; COPYRIGHT (C) 1975,1976,1977,1978
; DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
;
;
; THIS SOFTWARE IS FURNISHED UNDER A LICENSE FOR USE ONLY ON A
; SINGLE COMPUTER SYSTEM AND MAY BE COPIED ONLY WITH THE INCLUSION
; OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE, OR ANY OTHER
; COPIES THEREOF, MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE
; TO ANY OTHER PERSON EXCEPT FOR USE ON SUCH SYSTEM AND TO ONE WHO
; AGREES TO THESE LICENSE TERMS. TITLE TO AND OWNERSHIP OF THE
; SOFTWARE SHALL AT ALL TIMES REMAIN IN DEC.
;
; THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT
; NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL
; EQUIPMENT CORPORATION.
;
; DEC ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
; SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DEC.
;
;; COPYRIGHT 1971,1972,1973,1974,1975,1976,1977 DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
; WRITTEN BY K. NIST, C.M.U./ EDITED BY R. M. DE MORGAN
SEARCH ALGPRM ; MAIN PARAMETER FILE
IF1,< .DIRECTIVE .OKOVL>
SALL
%TITLE(ALGSTB,ALGOL COMPILER INITIAL SYMBOL TABLE)
TWOSEG
RELOC 400000
MLON
SUBTTL BLOCK0 MODULE
; THIS MODULE CONTAINS BLOCK0, WHICH IS THE INITIAL SYMBOL TABLE,
; AND WHICH CONTAINS THE ENTRIES FOR THE LIBRARY PROCEDURES. BLOCK 0
; IS IN A DIFFERENT PART OF THE LOW SEGMENT FROM THE REST OF THE
; SYMBOL TABLE, BUT IS PROPERLY LINKED IN WITH THE OTHER SO THAT
; ONE CANNOT REALLY TELL THE DIFFERENCE.
;
; THE MACRO "LIB" HAS BEEN PROVIDED TO SIMPLIFY PLACING THE ENTRIES IN
; BLOCK 0. ITS PARAMETERS ARE:
;
;
; PARAMETER 1: (ALIAS1) THE ALIAS NUMBER OF THE ROUTINE (WITHOUT THE
; %-SIGN).
;
;
; PARAMETER 2: (ALIAS2) THE ALIAS NUMBER OF THE 2ND ENTRY POINT IF
; THERE IS ONE (ALSO WITHOUT THE %-SIGN).
; WHEN THERE IS NO 2ND ENTRY POINT, THIS
; PARAMETER MUST BE DEFAULTED.
;
;
; PARAMETER 3: (TYPE) THE PROCEDURE TYPE, SPECIFIED AS:
; I - INTEGER
; R - REAL
; L - LONG REAL
; BO - BOOLEAN
; ST - STRING
; N - NON-TYPE
;
;
; PARAMETER 4: (ACT) THE NUMBER OF ACTUAL PARAMETERS. IF THERE
; CAN BE A VARIABLE NUMBER OF ACTUALS, ENTER
; A "V" FOR THIS PARAMETER.
;
;
; PARAMETER 5: (N1) 1ST 5 CHARACTERS OF NAME.
; PARAMETER 6: (N2) NEXT 6 CHARACTERS OF NAME.
; PARAMETER 7: (N3) NEXT 6 CHARACTERS OF NAME.
;
; ONLY LETTERS AND DIGITS ARE ALLOWED, NOT SPACES.
; ANY OF THESE PARAMETERS SHOULD BE OMITTED
; IF IT WOULD HAVE BEEN NULL. ALL SPECIFIED
; PARAMETERS *MUST* BE FOLLOWED IMMEDIATELY
; BY A COMMA, INCLUDING THE LAST PARAMETER.
INTERN ZBOOL ; ADDR OF ENTRY FOR BOOL
INTERN ZINT ; ADDR OF ENTRY FOR INT
INTERN ZABS ; ADDR OF ENTRY FOR ABS
INTERN ZSIGN ; ADDR OF ENTRY FOR SIGN
INTERN ZENTIE ; ADDR OF ENTRY FOR ENTIE
INTERN PRASE
INTERN PRLIB
SALL
DEFINE ENTR (IND)
<
LLINK==HT'IND
HT'IND==CLOC-XB0+BLOCK0>
DEFINE ENTR1 (NAME,IND)
<
NAME'IND>
DEFINE ENTR2 (NAME,IND,VAL)
<
NAME'IND==VAL>
DEFINE INVERT (NX,NXVAL)
<
IFNB <NX>,<
NY==SIXBIT/NX/
SHIFTS==0
NYVAL==0
INV INV INV INV INV INV
NXVAL==<NYVAL>_<SHIFTS>> >
DEFINE INV
<
CCHAR==NY&77
IFE CCHAR, <
SHIFTS==SHIFTS+6 >
IFN CCHAR, <
CCHAR==<CCHAR+40>&77
NYVAL==<<NYVAL>_<6>>!CCHAR
CCC==CCC+1 >
NY==<NY>_<-6> >
HASH==-1
REPEAT 200,
< HASH==HASH+1
ENTR2 HT,\HASH,0
>
; THE WEIRD EXPRESSIONS IN LIB ARE TO GET ROUND A BUG IN MACRO-10!!!
DEFINE LIB (ALIAS1,ALIAS2,TYPE,ACT,N1,N2,N3)
<
CCC==-1
LLINK==0
CLOC==.
ENTR2 A1.,\AL1,<<RADIX50 00,%'ALIAS1>&037777777777>
AL1==AL1+1
IFNB <ALIAS2>,<
ENTR2 A2.,\AL2,<<RADIX50 00,%'ALIAS2>&037777777777>
AL2==AL2+1>
IINDEX==IINDEX+1
INVERT N1,N1VAL
INVERT N2,N2VAL
INVERT N3,N3VAL
IFNB <N1>,<
A==<N1VAL+CCC>_<-11>
B==N1VAL&777
TTEMP==B*D/1000+A*D+B*C+A*C*1000
HASH==<<TTEMP>_<-^D26>>&177
ENTR \HASH>
XWD EXT,LLINK
XWD TYPE+ACT,0
IFB <N1>,<
XWD 0,0>
IFNB <N1>,<
N1VAL+CCC>
IFNB <N2>,<
N2VAL>
IFNB <N3>,<
N3VAL>
IFN EXT, <
XWD 0,0
XWD 0,0
>>
AL1==0
AL2==0
V==-1
C==647
D==327
IINDEX==0
B0LIST::XWD BLOCK0,XSYMHT+200-XB0
I==$I+$EXT+$PRO+$DEC+1
R==$R+$EXT+$PRO+$DEC+1
L==$LR+$EXT+$PRO+$DEC+1
BO==$B+$EXT+$PRO+$DEC+1
ST==$S+$EXT+$PRO+$DEC+1
N==$N+$EXT+$PRO+$DEC+1
EXT==0
XALL
XB0:
; GROUP 1: BOOL, INT, ABS, SIGN, AND ENTIER. THIS ORDER
; CANNOT BE CHANGED.
LIB 226,,BO,1,BOOL, ; BOOL
LIB 225,,I,1,INT, ; INT
LIB 222,,R,1,ABS, ; ABS
LIB 223,,I,1,SIGN, ; SIGN
LIB 224,,R,1,ENTIE,R, ; ENTIER
EXT==400000
XPRASE:
; GROUP 2: STANDARD ALGOL LIBRARY PROCEDURES. EACH MUST
; HAVE TWO ENTRY POINTS. THE ORDER IN WHICH PROCEDURES
; ARE PLACED IN THIS GROUP IS NOT IMPORTANT.
LIB 100,200,R,1,SIN, ; SIN
LIB 101,201,R,1,COS, ; COS
LIB 102,202,R,1,ARCTA,N, ; ARCTAN
LIB 103,203,R,1,SQRT, ; SQRT
LIB 104,204,R,1,EXP, ; EXP
LIB 105,205,R,1,LN, ; LN
LIB 106,206,R,1,TAN, ; TAN
LIB 107,207,R,1,ARCSI,N, ; ARCSIN
LIB 110,210,R,1,ARCCO,S, ; ARCCOS
LIB 111,211,R,1,SINH, ; SINH
LIB 112,212,R,1,COSH, ; COSH
LIB 113,213,R,1,TANH, ; TANH
LIB 114,214,L,1,LSIN, ; LSIN
LIB 115,215,L,1,LCOS, ; LCOS
LIB 116,216,L,1,LARCT,AN, ; LARCTAN
LIB 117,217,L,1,LSQRT, ; LSQRT
LIB 120,220,L,1,LEXP, ; LEXP
LIB 121,221,L,1,LLN, ; LLN
EXT==0
XPRLIB:
; GROUP 3: UNNAMED LIBRARY PROCEDURES. THE ALGOL USER CANNOT
; ACCESS THESE ENTRIES BY NAMING THEM IN HIS
; PROGRAM. THESE PROCEDURES ARE IN BLOCK 0 ONLY
; FOR INTERNAL REASONS. THE STRICT ORDERING OF THESE
; ENTRIES IS IMPORTANT.
LIB 1,,R,1, ; POWER1
LIB 2,,R,1, ; POWER2
LIB 3,,R,1, ; POWER3
LIB 4,,R,1, ; POWER4
LIB 5,,R,1, ; POWER5
LIB 7,,R,1, ; IR
LIB 10,,L,1, ; ILR
LIB 12,,I,1, ; RI
LIB 13,,L,1, ; RLR
LIB 15,,I,1, ; LRI
LIB 16,,R,1, ; LRR
LIB 14,,L,1, ; ENTIEL
LIB 17,,L,1, ; DFAD0
LIB 20,,L,1, ; DFSB0
LIB 21,,L,1, ; DFMP0
LIB 22,,L,1, ; DFDV0
LIB 23,,L,1, ; RDFSB0
LIB 24,,L,1, ; RDFDV0
LIB 25,,L,1, ; DFAD3
LIB 26,,L,1, ; DFSB3
LIB 27,,L,1, ; DFMP3
LIB 30,,L,1, ; DFDV3
LIB 31,,L,1, ; RDFSB3
LIB 32,,L,1, ; RDFDV3
LIB 33,,L,1, ; DFAD6
LIB 34,,L,1, ; DFSB6
LIB 35,,L,1, ; DFMP6
LIB 36,,L,1, ; DFDV6
LIB 37,,L,1, ; RDFSB6
LIB 40,,L,1, ; RDFDV6
LIB 41,,L,1, ; DFAD9
LIB 42,,L,1, ; DFSB9
LIB 43,,L,1, ; DFMP9
LIB 44,,L,1, ; DFDV9
LIB 45,,L,1, ; RDFSB9
LIB 46,,L,1, ; RDFDV9
XPRAN:
; GROUP 4: ALL OTHER LIBRARY PROCEDURES. THESE ROUTINES
; MUST HAVE 1 ENTRY POINT. THE ORDERING OF THESE
; ENTRIES IS NOT IMPORTANT.
LIB 300,,I,1,DIM, ; DIM
LIB 301,,I,2,LB, ; LB
LIB 302,,I,2,UB, ; UB
LIB 303,,I,V,IMIN, ; IMIN
LIB 304,,I,V,IMAX, ; IMAX
LIB 305,,R,V,RMIN, ; RMIN
LIB 306,,R,V,RMAX, ; RMAX
LIB 307,,L,V,LMIN, ; LMIN
LIB 310,,L,V,LMAX, ; LMAX
LIB 311,,I,3,GFIEL,D, ; GFIELD
LIB 312,,N,4,SFIEL,D, ; SFIELD
LIB 314,,ST,V,COPY, ; COPY
LIB 315,,N,V,TRAP, ; TRAP
LIB 316,,I,0,INCHA,N, ; INCHAN
LIB 317,,I,0,OUTCH,AN, ; OUTCHAN
LIB 320,,ST,2,NEWST,RING, ; NEWSTRING
LIB 321,,I,1,LENGT,H, ; LENGTH
LIB 322,,N,1,DELET,E, ; DELETE
LIB 325,,ST,V,CONCA,T, ; CONCAT
LIB 326,,I,1,SIZE, ; SIZE
LIB 327,,N,1,TRACE, ; TRACE
LIB 401,,N,1,INSYM,BOL, ; INSYMBOL
LIB 402,,N,1,OUTSY,MBOL, ; OUTSYMBOL
LIB 403,,N,1,NEXTS,YMBOL, ; NEXTSYMBOL
LIB 404,,N,0,SKIPS,YMBOL, ; SKIPSYMBOL
LIB 405,,N,0,BREAK,OUTPUT, ; BREAKOUTPUT
LIB 406,,N,V,SPACE, ; SPACE
LIB 407,,N,V,TAB, ; TAB
LIB 410,,N,V,NEWLI,NE, ; NEWLINE
LIB 411,,N,V,PAGE, ; PAGE
LIB 412,,N,V,READ, ; READ
LIB 413,,N,1,WRITE, ; WRITE
LIB 414,,N,V,PRINT, ; PRINT
LIB 415,,N,1,READO,CTAL, ; READOCTAL
LIB 416,,N,1,PRINT,OCTAL, ; PRINTOCTAL
LIB 417,,N,V,INPUT, ; INPUT
LIB 420,,N,V,OUTPU,T, ; OUTPUT
LIB 421,,N,1,SELEC,TINPUT, ; SELECTINPUT
LIB 422,,N,1,SELEC,TOUTPU,T, ; SELECTOUTPUT
LIB 423,,N,1,RELEA,SE, ; RELEASE
LIB 424,,N,V,OPENF,ILE, ; OPENFILE
LIB 425,,N,1,CLOSE,FILE, ; CLOSEFILE
LIB 426,,N,0,TRANS,FILE, ; TRANSFILE
LIB 427,,N,1,BACKS,PACE, ; BACKSPACE
LIB 430,,N,1,ENDFI,LE, ; ENDFILE
LIB 431,,N,1,REWIN,D, ; REWIND
LIB 432,,BO,1,IOCHA,N, ; IOCHAN
LIB 433,,I,1,INLIN,E, ; INLINE
LIB 434,,N,V,CALL, ; CALL
LIB 435,,I,V,ICALL, ; ICALL
LIB 436,,R,V,RCALL, ; RCALL
LIB 437,,L,V,DCALL, ; DCALL
LIB 440,,BO,V,LCALL, ; LCALL
LIB 441,,I,1,INFO, ; INFO
LIB 442,,ST,0,FDATE, ; FDATE
LIB 443,,ST,0,VDATE, ; VDATE
LIB 444,,ST,0,TIME, ; TIME
;
; Edit(1011) Establish aliases for RAN,TRACEON,TRACEOFF
;
LIB 445,,I,0,RAN, ; RAN
LIB 445,,I,0,RAND ; [E1011] = RAND
LIB 446,,N,1,SETRA,N, ; SETRAN
LIB 447,,I,0,SAVRA,N, ; SAVRAN
LIB 455,,N,0,TRACE,ON, ; TRACEON
LIB 455,,N,0,ONTRA,CE, ; [E1011] = ONTRACE
LIB 456,,N,0,TRACE,OFF, ; TRACEOFF
LIB 456,,N,0,OFFTR,ACE, ; [E1011] = OFFTRACE
LIB 460,,I,0,TRAPN,O, ; TRAPNO
LIB 461,,N,0,PAUSE, ; PAUSE
LIB 462,,N,1,DUMP, ; DUMP
LIB 450,,N,V,F10CA,LL, ; F10CALL
LIB 451,,I,V,F10IC,ALL, ; F10ICALL
LIB 452,,R,V,F10RC,ALL, ; F10RCALL
LIB 453,,L,V,F10DC,ALL, ; F10DCALL
LIB 454,,BO,V,F10LC,ALL, ; F10LCALL
XB0END: ; END OF BLOCK 0
SALL
XSYMHT:
HASH==-1
REPEAT 200,
<
HASH==HASH+1
ENTR1 HT,\HASH
>
XWD 0,0
ATABLE:: ; TABLE OF LIBRARY ROUTINE ALIAS NAMES
ALC==-1
REPEAT AL1,
<
ALC==ALC+1
ENTR1 A1.,\ALC
>
AT2==:.-5 ; TABLE OF 2-ENTRY LIBRARY ALIAS NAMES
ALC==-1
REPEAT AL2,
<
ALC==ALC+1
ENTR1 A2.,\ALC
>
RELOC
BLOCK0::
ZBOOL: BLOCK 3
ZINT: BLOCK 3
ZABS: BLOCK 3
ZSIGN: BLOCK 3
ZENTIE: BLOCK 4
PRASE:
BLOCK XPRLIB-XPRASE
PRLIB:
BLOCK XPRAN-XPRLIB
PRAN:
BLOCK XB0END-XPRAN
B0END::
SYMHT:: BLOCK 200 ; SYMBOL TABLE HASH TABLE (**MUST FOLLOW BLOCK0**)
RELOC
END