/*
** miscellaneous definitions
*/
#define MAXFN	   15	/* max file name space */
#define INTSZ	    2	/* integer size in bytes */
#define COMMENT	  ';'	/* comment delimiter */
#define ANOTHER	  '|'	/* another operand option */
#define MAXLINE	   81	/* length of source line */
#define MICOUNT	  150	/* machne instruction hash space */
#define MIOPNDS	  300	/* maximum unique operand formats */
#define MIBUFSZ	 4600	/* mit syntax space */
#define OBJEXT	".REL"	/* object file extension */
#define SRCEXT	".MAC"	/* source file extension */
#define MAXLAB	    8	/* maximum label characters used */
#define STACK	 1024	/* reserved for stack space */
#define OHDOPEN	  164	/* overhead bytes per open file */
#define MAXOPEN	    2	/* maximum open files */

/*
** symble table
*/
#define STMAX	  500		/* maximum labels allowed */
#define STVALUE	(MAXLAB + 1)	/* offset to value field */
#define STFLAG  (STVALUE + INTSZ)	/* offset to flag byte */
#define STENTRY (STFLAG + 1)	/* st entry size */
#define STBUFSZ	(STMAX * STENTRY)	/* st buffer size */
#define LABBIT2	  128		/* label flag (pass 2) */
#define LABBIT	   64		/* label flag */
#define EQUBIT	   32		/* EQU flag (pass 2) */
#define SETBIT	   16		/* SET flag */
#define XRBIT	    8		/* external-reference flag */
#define EPBIT	    4		/* entry-point flag */
#define RELBITS	    3		/* relative bits (ABS, PREL) */

/*
** macro table
*/
#define	MTNXT	    0	/* pointer to next macro */
#define	MTNAM   INTSZ	/* macro name */

/*
** assembler instruction codes
*/
#define DW	1
#define DB	2
#define DS	3
#define EX	4
#define SET	5
#define EQU	6
#define ORG	7
#define END	8
#define MACRO	9
#define ENDM	10
#define CALL	11