/*	altairZ80_defs.h: MITS Altair simulator definitions
		Written by Peter Schorn, 2001
		Based on work by Charles E Owen ((c) 1997, Commercial use prohibited)
*/

#include "sim_defs.h"													/* simulator definitions			*/

/* Memory */
#define MAXMEMSIZE			65536									/* max memory size						*/
#define KB							1024									/* kilo byte									*/
#define MEMSIZE					(cpu_unit.capac)			/* actual memory size					*/
#define ADDRMASK				(MAXMEMSIZE - 1)			/* address mask								*/
#define bootrom_size		256										/* size of boot rom						*/
#define bootrom_origin	0xFF00								/* start address of boot rom	*/

#define BACKSPACE_CHAR	0x08									/* backspace character				*/
#define DELETE_CHAR			0x7f									/* delete character						*/
#define CONTROLZ_CHAR		26										/* control Z character				*/

/* Simulator stop codes */
#define STOP_HALT				2											/* HALT												*/
#define STOP_IBKPT			3											/* breakpoint									*/
#define STOP_OPCODE			4

#define UNIT_V_OPSTOP		(UNIT_V_UF)						/* Stop on Invalid OP?				*/
#define UNIT_OPSTOP			(1 << UNIT_V_OPSTOP)
#define UNIT_V_CHIP	 		(UNIT_V_UF+1)					/* 8080 or Z80								*/
#define UNIT_CHIP				(1 << UNIT_V_CHIP)
#define UNIT_V_MSIZE		(UNIT_V_UF+2)					/* Memory Size								*/
#define UNIT_MSIZE			(1 << UNIT_V_MSIZE)