/* m6804.h */

/*
 *  Copyright (C) 1989-2026  Alan R. Baldwin
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *
 * Alan R. Baldwin
 * 721 Berkeley St.
 * Kent, Ohio  44240
 */

/*)BUILD
	$(PROGRAM) =	AS6804
	$(INCLUDE) = {
		ASXXXX.H
		M6804.H
	}
	$(FILES) = {
		M04MCH.C
		M04ADR.C
		M04PST.C
		ASMAIN.C
		ASDBG.C
		ASLEX.C
		ASSYM.C
		ASSUBR.C
		ASEXPR.C
		ASDATA.C
		ASLIST.C
		ASOUT.C
	}
	$(STACK) = 3000
*/

struct adsym
{
	char	a_str[2];	/* addressing string */
	int	a_val;		/* addressing mode value */
};

/*
 * Addressing types
 */
#define	S_IMMED	30
#define	S_DIR	31
#define	S_IX	32
#define	S_IY	33

/*
 * Instruction types
 */
#define	S_INH	60
#define	S_BRA	61
#define	S_TYP1	62
#define	S_TYP2	63
#define	S_TYP3	64
#define	S_CLR	65
#define	S_LD	66
#define	S_MVI	67
#define	S_APOST	68
#define	S_BPM	69
#define	S_BXPM	70
#define	S_BYPM	71
#define	S_BTB	72
#define	S_BSC	73

/*
 * Set Direct Pointer
 */
#define	S_SDP	80

/*
 * Extended Addressing Modes
 */
#define	R_3BIT	0x0100
#define	R_5BIT	0x0200
#define	R_12BIT	0x0300

	/* machine dependent functions */

	/* m04adr.c */
extern	struct	adsym	xy[];
extern	int		addr(struct expr *esp);
extern	int		admode(struct adsym *sp);
extern	int		srch(char *str);

	/* m04mch.c */
extern	struct  area	*zpg;
extern	void		machine(struct mne *mp);
extern	int		mchpcr(struct expr *esp, int *v, int n);
extern	void		minit(void);

