/*	altairZ80_defs.h: MITS Altair simulator definitions

   Copyright (c) 2002, Peter Schorn

   Permission is hereby granted, free of charge, to any person obtaining a
   copy of this software and associated documentation files (the "Software"),
   to deal in the Software without restriction, including without limitation
   the rights to use, copy, modify, merge, publish, distribute, sublicense,
   and/or sell copies of the Software, and to permit persons to whom the
   Software is furnished to do so, subject to the following conditions:

   The above copyright notice and this permission notice shall be included in
   all copies or substantial portions of the Software.

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
   IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

   Except as contained in this notice, the name of Peter Schorn shall not
   be used in advertising or otherwise to promote the sale, use or other dealings
   in this Software without prior written authorization from Peter Schorn.

   Based on work by Charles E Owen (c) 1997
*/

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

/* Memory */
#define MAXMEMSIZE				65536									/* max memory size														*/
#define ADDRMASK					(MAXMEMSIZE - 1)			/* address mask																*/
#define bootrom_size			256										/* size of boot rom														*/
#define MAXBANKS					8											/* max number of memory banks									*/
#define MAXBANKSLOG2			3											/* log2 of MAXBANKS														*/
#define BANKMASK					(MAXBANKS-1)					/* bank mask																	*/
#define MEMSIZE						(cpu_unit.capac)			/* actual memory size													*/
#define KB								1024									/* kilo byte																	*/
#define defaultROMLow			0xff00								/* default for lowest addres of ROM						*/
#define defaultROMHigh		0xffff								/* default for highest addres of ROM					*/

#define NUM_OF_DSK				8											/* NUM_OF_DSK must be power of two						*/
#define LDAInstruction		0x3e									/* op-code for LD A,<8-bit value> instruction	*/
#define unitNoOffset1			0x37									/* LD A,<unitno>															*/
#define unitNoOffset2			0xb4									/* LD a,80h | <unitno>												*/

#define UNIT_V_OPSTOP			(UNIT_V_UF+0)					/* 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)
#define UNIT_V_BANKED			(UNIT_V_UF+3)					/* Banked memory is used											*/
#define UNIT_BANKED				(1 << UNIT_V_BANKED)
#define UNIT_V_ROM				(UNIT_V_UF+4)					/* ROM exists																	*/
#define UNIT_ROM					(1 << UNIT_V_ROM)
#define UNIT_V_ALTAIRROM	(UNIT_V_UF+5)					/* ALTAIR ROM exists													*/
#define UNIT_ALTAIRROM		(1 << UNIT_V_ALTAIRROM)
#define UNIT_V_WARNROM		(UNIT_V_UF+6)					/* Warn if ROM is written to									*/
#define UNIT_WARNROM			(1 << UNIT_V_WARNROM)

#define AddressFormat					"[%04xh]"
#define PCformat							"\n" AddressFormat " "
#define message1(p1)								\
	sprintf(messageBuffer,PCformat p1,PCX);									printMessage()
#define message2(p1,p2)							\
	sprintf(messageBuffer,PCformat p1,PCX,p2);							printMessage()
#define message3(p1,p2,p3)					\
	sprintf(messageBuffer,PCformat p1,PCX,p2,p3);						printMessage()
#define message4(p1,p2,p3,p4)				\
	sprintf(messageBuffer,PCformat p1,PCX,p2,p3,p4);				printMessage()
#define message5(p1,p2,p3,p4,p5)		\
	sprintf(messageBuffer,PCformat p1,PCX,p2,p3,p4,p5);			printMessage()
#define message6(p1,p2,p3,p4,p5,p6)	\
	sprintf(messageBuffer,PCformat p1,PCX,p2,p3,p4,p5,p6);	printMessage()

/*	The Default is to use "inline". In this case the wrapper functions for
		GetBYTE and PutBYTE need to be created. Otherwise they are not needed
		and the calls map to the original functions.																			*/
#ifdef NO_INLINE
#define INLINE
#define GetBYTEWrapper GetBYTE
#define PutBYTEWrapper PutBYTE
#else
#if defined(__DECC) && defined(VMS)
#define INLINE __inline
#else
#define INLINE inline
#endif
#endif
