source: buchla-68k/include/fspars.h@ 4810254

/*
   =============================================================================
        fspars.h -- File system parameters
        Version 4 -- 1987-12-15 -- D.N. Lynx Crowe
   =============================================================================
*/

#pragma once

#include "stdint.h"

#define TBUFFER         1       /* non-zero to enable track buffering */

#define NSTREAMS        11      /* maximum number of file streams */
#define MAXCHAN         11      /* maximum number of I/O channel fd's */
#define MAXDFILE        8       /* maximum number of open DISK files */

#define BUFSIZL 256             /* buffer length -- longs */
#define BUFSIZ  (sizeof (int32_t) * BUFSIZL)
                                /* buffer length -- chars */

#define BPSEC           512     /* bytes per disk sector */
#define FILESHFT        9       /* file shift */

#define MAXFAT          7       /* maximum number of fat sectors */
#define WDPSEC          256     /* words per sector */
#define MAXDIRNT        224     /* maximum number of directory entries */

typedef void    *io_arg;        /* must be big enough to contain a pointer */