!***COPYRIGHT (C) 1974, 1975, 1976, 1977 DIGITAL EQUIPMENT CORP., MAYNARD, MASS.***
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%								     %
%		COMMON BINDS, MACROS, STRUCTURES, AND		     %
%			EXTERNAL DECLARATIONS         		     %
%								     %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


! LAST MODIFIED ON 30 AUG 74 BY JG.


BIND
	! MISC. BINDS

	NULL = 0,				! NULL POINTER
	OK = 1,					! GOOD RETURN FROM I/O ROUTINES
	TRUE = 1,				! TRUTH VALUE
	FALSE = 0,				! TRUTH VALUE
	LANGTH = 0,				! FOR REFERENCING VARYING STRINGS
	STRING = 1,				! FOR REFERENCING VARYING STRINGS
	NEW = 0,				! ASK GETREP FOR NEW REPORT BLOCK
	OLD = 1,				! ASK GETREP FOR OLD REPORT BLOCK


	! DEFINE COMMAND KEYWORD NUMBERS. THESE BINDS MUST BE IN THE SAME
	! ORDER AS THE GLOBAL PLIT KEYWRD AND THE TRANSFERVECTOR IN THE MAIN MODULE.

	NUMKEYWORDS = 24,
	XBY = 1,
	XGO = 2,
	XALL = 3,
	XAND = 4,
	XBOTH = 5,
	XEXIT = 6,
	XMPPS = 7,
	XSORT = 8,
	XAFTER = 9,
	XCODES = 10,
	XDATES = 11,
	XINPUT = 12,
	XPRINT = 13,
	XTALLY = 14,
	XTEXTS = 15,
	XTIMES = 16,
	XBEFORE = 17,
	XOUTPUT = 18,
	XREPORT = 19,
	XBETWEEN = 20,
	XCLASSES = 21,
	XSOURCES = 22,
	XSEQUENCE = 23,
	XDESTINATIONS = 24,


	! DEFINE ALLOCATION AREA FIELDS

	COREINCR = 512,				! AMOUNT OF CORE IN EACH ALLOCATION AREA
	NEXTAREA = 0,				! PTR TO NEXT ALLOCATION AREA
	HIGHADDR = 1,				! HIGHEST USABLE ADDRESS
	LASTUSED = 2,				! LAST USED ADDRESS


	! DEFINE REPORT BLOCK FIELDS

	REPORTBLKSIZ = 28,			! REPORT BLOCK IS 28 WORDS LONG
	NEXTREPORT = 0,				! POINTER TO NEXT REPORT
	NAMECOUNT = 1,				! LENGTH OF REPORT NAME
	REPORTNAME = 2,				! NAME OF REPORT
	PAGEHEADPTR = 5,			! POINTER TO PAGE HEADER BLOCK
	TALLYPTR = 6,				! POINTER TO TALLY BLOCK
	SORTPTR = 7,				! POINTER TO SORT BLOCK
	SEQSEL = 8,				! SEQUENCE PRINT SELECT FLAG
	SEQPTR = 9,				! POINTER TO SEQUENCE CONSTRAINT BLOCK
	TIMSEL = 10,				! TIME PRINT SELECT FLAG
	TIMPTR = 11,				! POINTER TO TIME CONSTRAINT BLOCK
	DATSEL = 12,				! DATE PRINT SELECT FLAG
	DATPTR = 13,				! POINTER TO DATE CONSTRAINT BLOCK
	SORSEL = 14,				! SOURCE TERMINAL PRINT SELECT FLAG
	SORPTR = 15,				! POINTER TO SOURCE TERMINAL CONSTRAINT BLOCK
	MPPSEL = 16,				! MPP PRINT SELECT FLAG
	MPPPTR = 17,				! POINTER TO MPP CONSTRINAT BLOCK
	DSTSEL = 18,				! DESTINATION PRINT SELECT FLAG
	DSTPTR = 19,				! POINTER TO DESTINATION CONSTRAINT BLOCK
	CLSSEL = 20,				! MESSAGE CLASS PRINT SELECT FLAG
	CLSPTR = 21,				! POINTER TO MESSAGE CLASS CONSTRAINT BLOCK
	CODSEL = 22,				! MESSAGE CODE PRINT SELECT FLAG
	CODPTR = 23,				! MESSAGE CODE CONSTRAINT BLOCK
	TXTSEL = 24,				! MESSAGE TEXT PRINT SELECT FLAG
	ALLSEL = 25,				! ALL FIELDS PRINT SELECT FLAG
	IOBSEL = 26,				! INPUT, OUTPUT, OR BOTH PRINT SELECT FLAG
	PRTSEL = 27,				! CURRENT JOURNAL RECORD PRINT FLAG


	! DEFINE I/O AND FILE BLOCK FIELDS

	INFILE = 0,				! INPUT FILE TYPE
	OUTFILE = 1,				! OUTPUT FILE TYPE
	SAVE = 1,				! CLOSE FILE BUT DON'T RELEASE CHANNEL
	NOSAVE = 0,				! CLOSE FILE AND RELEASE CHANNEL
	IOIBN = #13,				! IMAGE BINARY IO MODE (USED FOR ALL BUT ASCII FILES)
	IOASC = #0,				! ASCII IO MODE
	FILEBLKSIZ = 10,			! FILE BLOCK IS 10 WORDS LONG
	STATUS = 0,				! (OPEN BLOCK) FILE STATUS
	DEVICE = 1,				! (OPEN BLOCK) DEVICE NAME (SIXBIT)
	OTBUFPTR = 2,				! (OPEN BLOCK) OUTPUT BUFFER HEADER POINTER
	INBUFPTR = 3,				! (OPEN BLOCK) INPUT BUFFER HEADER POINTER
	BYTPTR = 4,				! (BUFFER HEADER) BYTE POINTER
	BYTCNT = 5,				! (BUFFER HEADER) BYTE COUNT
	FILENAME = 6,				! (LOOKUP/ENTER BLOCK) FILE NAME (SIXBIT)
	EXTENSION = 7,				! (LOOKUP/ENTER BLOCK) EXTENSION (SIXBIT)
	PPNUM = 8,				! (LOOKUP/ENTER BLOCK) PPN
	LOKENTERR = 9,				! (LOOKUP/ENTER BLOCK) ERROR CODE
	BUFHDR = 10,				! BUFFER HEADER


	! DEFINE PRINTLINE FIELDS

	PRINTSIZE = 30,				! PRINTLINE BLOCK IS 30 WORDS LONG
	LINEBP = 0,				! CURRENT BYTE POINTER INTO LINE
	LINECT = 1,				! NUMBER OF CHARACTERS IN LINE
	LINEPO = 2,				! CHARACTER POSITION IN THE LINE (DIFFERENT FROM LINECT - TABS!)
	LINEST = 3,				! THE STRING ITSELF
	LINESIZE = 132,				! PRINTER LINESIZE
	PAGESIZE = 59,				! PRINTER PAGESIZE
	CLEAR = 1,				! PRINT LINE AND RESET BUFFER
	NOCLEAR = 0,				! PRINT LINE AND SAVE BUFFER


	! DEFINE PAGE HEADER FIELDS

	HEADERSIZE = 6,				! REPORT HEADER BLOCK IS 6 WORDS
	PAGENO = 0,				! CURRENT PAGE NUMBER
	LINENO = 1,				! CURRENT LINE NUMBER
	LINEP1 = 2,				! POINTER TO FIRST HEADER LINE
	LINEP2 = 3,				! POINTER TO SECOND HEADER LINE
	LINEP3 = 4,				! POINTER TO THIRD HEADER LINE
	LINEOT = 5,				! POINTER TO REPORT OUTPUT LINE


	! DEFINE JOURNAL RECORD AND CHUNK FIELDS

	%BLOCK SIZES%
	CHUNKSIZ = 32,				! MAX SIZE FOR CHUNKS
	JRNRECSIZ = 44,				! SIZE OF JOURNAL RECORD WITH FIRST 10 DESTINATIONS
	DSTBLKSIZ = 30,				! SIZE OF DESTINATION BLOCKS

	%CHUNK THINGS%
	PROBYT = 0,				! PROTOTYPE BYTE POINTER IN CHUNK
	ENDIND = 1,				! CHUNK END INDICATOR
	MSGLNW = 2,				! CHUNK TEXT LENGTH IN WORDS
	MSGLNC = 3,				! CHUNK TEXT LENGTH IN CHARACTERS
	MESAGE = 4,				! START OF TEXT

	% FIELDS IN BOTH RECORD TYPES %
	CHKCNT = 0,				! NUMBER OF CHUNKS
	SEQNUM = 1,				! TRANSACTION SEQUENCE NUMBER
	DATBIN = 2,				! DATE IN BINARY FORM, FROM DATE UUO
	TIMBIN = 3,				! TIME IN BINARY FORM, FROM MSTIME UUO

	% FIELDS IN INPUT RECORDS ONLY %
	SORNAM = 4,				! SOURCE TERMINAL NAME
	TCDSIZ = 5,				! TRANSACTION CODE LENGTH
	TCDSTR = 6,				! TRANSACTION CODE

	% FIELDS IN OUTPUT RECORDS ONLY %
	MSGCLS = 7,				! MESSAGE CLASS
	MPPDEV = 8,				! DEVICE PART OF MPP FILE SPEC
	MPPFIL = 9,				! FILE PART OF MPP FILE SPEC
	MPPPPN = 10,				! PPN PART OF MPP FILE SPEC
	DSTCNT = 11,				! NUMBER OF DESTINATIONS
	DESPTR = 12,				! POINTER TO FIRST DESTINATION BLOCK
	DSTNEX = 0;				! POINTER TO NEXT DESTINATION BLOCK (USED IN DESTBLK)
MACRO
	COMMENT(PROGRAM) = SWITCHES MLIST; UNDECLARE PROGRAM$,
	NOTE = !$,				! MAKES NEATO COMMENTS !!
	REPEAT = WHILE TRUE DO$,		! USED FOR INFINITE LOOPS
	WORD = 0,36$,				! FORMS A WORD BYTE PTR
	WORDINCR = 36,36$,			! FORMS INCREMENT TYPE WORD BYTE PTR
	ADDR = 0,0$,				! FORCES CREATION OF AN ADDRESS INSTEAD OF A BYTE POINTER
	LH = 18,18$,				! FORMS A BYTE PTR TO LEFT HALF OF WORD
	RH = 0,18$,				! FORMS A BYTE PTR TO RIGHT HALF OF WORD
	FIRSTCHAR = 29,7$,			! FORMS A BYTE PTR TO FIRST ASCII CHAR IN WORD
	SECCHAR = 22,7$,			! FORMS A BYTE PTR TO SECOND ASCII CHAR IN WORD
	FIRSTINCR = 36,7$,			! FORMS A BYTE PTR TO FISRT ASCII CHAR FOR AN ILDB OR IDPB
	LASTCHAR = 1,7$,			! FORMS A BYTE PTR TO LAST ASCII CHAR IN WORD
	ONLYCHAR = 0,7$,			! FORMS A BYTE PTR TO RIGHT JUSTIFIED CHAR
	P = 30,6$,				! FOR FONDLING BYTE POINTERS
	S = 24,6$,				! LIKEWISE
	IS = EQL$,				! SYNTACTIC SUGAR
	ISNOT = NEQ$;				! DITTO
EXTERNAL

	KEYWRD,					! PLIT OF KEYWORD STRINGS
	FIRFRE,					! POINTER TO FIRST ALLOCATION AREA
	CURFRE,					! POINTER TO CURRENT ALLOCATION AREA
	FIRREP,					! POINTER TO FIRST REPORT BLOCK
	CURREP,					! POINTER TO CURRENT REPORT BLOCK
	?.JBFF,					! FIRST FREE LOCATION IN LOW SEG
	INCHNL,					! INPUT I/O CHANNEL #
	OTCHNL,					! OUTPUT I/O CHANNEL #
	CHANLS[16],				! LIST OF CHANNEL ASSIGNMENTS
	CHRDAT[3],				! TODAY'S DATE
	CHRTIM[2],				! NOW'S TIME
	USRPPN,					! USER'S PPN
	USRJBN;					! USER'S JOB #
% STRUCTURES %
 
!NOTE THAT IN GENERAL, STRUCTURES ARE MAPPED ONTO POINTERS TO DATA ITEMS.
! 						  ========

! A VARYING CHARACTER STRING IS A STRING PRECEEDED BY A LENGTH.
! THE CHARACTERS ARE LEFT JUSTIFIED AND THAT LAST WORD, IF NOT FILLED,
! IS PADDED WITH NULLS.

STRUCTURE VARYINGCHAR[FIELD] = CASE .FIELD OF
				SET
					%LANGTH%	..VARYINGCHAR;
					%STRING%	..VARYINGCHAR+1;
				TES;

! ALL ALLOCATIONS ARE DONE ON A PIECE BY PIECE BASIS BUT
! THE FREES ARE DONE ALL AT ONCE; AS A RESULT, THE ALLOCATION
! AREA FORMAT IS QUITE SIMPLE.

STRUCTURE AREA[FIELD] = CASE .FIELD OF
			SET
				%NEXT AREA%	..AREA;
				%HIGH ADDR%	..AREA+1;
				%LAST USED%	..AREA+2;
			TES;


! REPORT BLOCK STRUCTURE FORMAT

STRUCTURE REPBLK[FIELD] = CASE .FIELD OF
			  SET
				%NEXTREPORT%	..REPBLK;
				%NAMECOUNT%	..REPBLK+1;
				%REPORTNAME%	..REPBLK+2;
				%FILL%		0;
				%FILL%		0;
				%PAGEHEADPTR%	..REPBLK+5;
				%TALLYPTR%	..REPBLK+6;
				%SORTPTR%	..REPBLK+7;
				%SEQSEL%	..REPBLK+8;
				%SEQPTR%	..REPBLK+9;
				%TIMSEL%	..REPBLK+10;
				%TIMPTR%	..REPBLK+11;
				%DATSEL%	..REPBLK+12;
				%DATPTR%	..REPBLK+13;
				%SORSEL%	..REPBLK+14;
				%SORPTR%	..REPBLK+15;
				%MPPSEL%	..REPBLK+16;
				%MPPPTR%	..REPBLK+17;
				%DSTSEL%	..REPBLK+18;
				%DSTPTR%	..REPBLK+19;
				%CLSSEL%	..REPBLK+20;
				%CLSPTR%	..REPBLK+21;
				%CODSEL%	..REPBLK+22;
				%CODPTR%	..REPBLK+23;
				%TXTSEL%	..REPBLK+24;
				%ALLSEL%	..REPBLK+25;
				%IOBSEL%	..REPBLK+26;
				%PRTSEL%	..REPBLK+27;
			  TES;

! FILE BLOCK STRUCTURE FORMAT

STRUCTURE FILBLK[FIELD] = CASE .FIELD OF
			  SET
				%STATUS%	..FILBLK;
				%DEVICE%	..FILBLK+1;
				%OTBUFPTR%	(..FILBLK+2)<LH>;
				%INBUFPTR%	(..FILBLK+2)<RH>;
				%BYTPTR%	..FILBLK+4;
				%BYTCNT%	..FILBLK+5;
				%FILENAME%	..FILBLK+6;
				%EXTENSION%	(..FILBLK+7)<LH>;
				%PPNUM%		..FILBLK+9;
				%LOKENTERR%	(..FILBLK+7)<RH>;
				%BUFHDR%	..FILBLK+3;
			  TES;


! STRUCTURE WHERE OUTPUT LINES ARE ASSEMBLED.

STRUCTURE PRINTLINE[FIELD] = CASE .FIELD OF
			     SET
				%LINEBP%	..PRINTLINE;
				%LINECT%	..PRINTLINE+1;
				%LINEPO%	..PRINTLINE+2;
				%LINEST%	..PRINTLINE+3;
			     TES;


! STRUCTURE FOR REPORT HEADER BLOCK

STRUCTURE HEADER[FIELD] = CASE .FIELD OF
			  SET
				%PAGENO%	..HEADER;
				%LINENO%	..HEADER+1;
				%LINEP1%	..HEADER+2;
				%LINEP2%	..HEADER+3;
				%LINEP3%	..HEADER+4;
				%LINEOT%	..HEADER+5;
			  TES;


! STRUCTURE FOR CHUNKS

STRUCTURE CHUNK[FIELD] = CASE .FIELD OF
			 SET
				%PROBYT%	(..CHUNK)<24,12>;
				%ENDIND%	(..CHUNK)<18,6>;
				%MSGLNW%	(..CHUNK+1)<LH>;
				%MSGLNC%	(..CHUNK+1)<RH>;
				%MESAGE%	..CHUNK+2;
			 TES;


! STRUCTURE OF JOURNAL RECORDS

STRUCTURE JOURNALREC[FIELD] = CASE .FIELD OF
			      SET
				%FOR BOTH RECORD TYPES%
					%CHKCNT%	..JOURNALREC;
					%SEQNUM%	..JOURNALREC+1;
					%DATBIN%	..JOURNALREC+2;
					%TIMBIN%	..JOURNALREC+3;

				%FOR INPUT RECORDS ONLY%
					%SORNAM%	..JOURNALREC+4;
					%TCDSIZ%	..JOURNALREC+7;
					%TCDSTR%	..JOURNALREC+8;

				%FOR OUTPUT RECORDS ONLY%
					%MSGCLS%	..JOURNALREC+4;
					%MPPDEV%	..JOURNALREC+6;
					%MPPFIL%	..JOURNALREC+8;
					%MPPPPN%	..JOURNALREC+10;
					%DSTCNT%	..JOURNALREC+11;
					%DSTPTR%	..JOURNALREC+12;
			     TES;

! STRUCTURE FOR DESTINATION BLOCK

STRUCTURE DESTBLOCK[FIELD] = IF .FIELD IS 0
				THEN ..DESTBLOCK		! POINTER TO NEXT BLOCK
				ELSE ..DESTBLOCK+.FIELD*3-2;	! DESTINATION[I]

%%%%%%%%%%% END OF COMMON BINDS, MACROS, AND STRUCTURES %%%%%%%%%%%