/****************************************************************/
/*								*/
/*			     mcb.h				*/
/*								*/
/*     Memory Control Block data structures and declarations	*/
/*								*/
/*			 November 23, 1991			*/
/*								*/
/*			Copyright (c) 1995			*/
/*			Pasquale J. Villani			*/
/*			All Rights Reserved			*/
/*								*/
/* This file is part of DOS-C.					*/
/*								*/
/* DOS-C 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	*/
/* 2, or (at your option) any later version.			*/
/*								*/
/* DOS-C 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 DOS-C; see the file COPYING.  If not,	*/
/* write to the Free Software Foundation, 675 Mass Ave,		*/
/* Cambridge, MA 02139, USA.					*/
/****************************************************************/


/* $Logfile:   D:/dos-c/hdr/mcb.h_v  $ */
#ifdef MAIN
# ifdef VERSION_STRINGS
static BYTE *mcb_hRcsId = "$Header:   D:/dos-c/hdr/mcb.h_v   1.4   29 May 1996 21:25:16   patv  $";
# endif
#endif

/*
 * $Log:   D:/dos-c/hdr/mcb.h_v  $
 *	
 *	   Rev 1.4   29 May 1996 21:25:16   patv
 *	bug fixes for v0.91a
 *	
 *	   Rev 1.3   19 Feb 1996  3:15:32   patv
 *	Added NLS, int2f and config.sys processing
 *	
 *	   Rev 1.2   01 Sep 1995 17:35:42   patv
 *	First GPL release.
 *	
 *	   Rev 1.1   30 Jul 1995 20:43:50   patv
 *	Eliminated version strings in ipl
 *	
 *	   Rev 1.0   02 Jul 1995 10:39:46   patv
 *	Initial revision.
 */


#define LARGEST		-1
#define	FIRST_FIT	0
#define BEST_FIT	1
#define	LAST_FIT	2

#define	MCB_NORMAL	0x4d
#define	MCB_LAST	0x5a

#define	DOS_PSP		0x0008
#define	FREE_PSP	0

#define MCB_SIZE(x)	((((LONG)(x))<<4)+sizeof(mcb))

typedef UWORD seg;
typedef UWORD offset;

typedef struct
{
	BYTE	m_type;		/* mcb type - chain or end		*/
	UWORD	m_psp;		/* owner id via psp segment		*/
	UWORD	m_size;		/* size of segment in paragraphs	*/
	BYTE	m_fill[3];
	BYTE	m_name[8];	/* owner name limited to 8 bytes	*/
} mcb;