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/*
* bootsect.inc - constants for assembler module for DOS boot sector
*
* Copyright (C) 1996-1998 Gero Kuhlmann <gero@gkminix.han.de>
*
* 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 2 of the License, or
* 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
*====================================================================
*
* Miscellaneous definitions
*/
#define SECT_SIZE 512 /* sector size must be 512 bytes */
#define BOOT_SPC 1 /* sectors per cluster */
#define BOOT_SPFAT 9 /* sectors per FAT */
#define BOOT_SPTRK 18 /* sectors per track */
#define BOOT_DIRNUM 224 /* number of root dir entries */
#define BOOT_SECNUM 2880 /* total number of sectors */
#define BOOT_FORMAT 0xf0 /* format ID for floppy disk */
#define BOOT_ID 0x00 /* BIOS id of boot floppy disk */
#define BOOT_OFFSET 0x7c00 /* offset for boot block in segment 0 */
#define BOOT_SIG_OFS 0x7dfe /* offset of boot signature in memory */
#define BOOT_SIG 0xaa55 /* boot signature */
#define DIR_SEG 0x0050 /* segment where DOS expects root dir */
#define IOSYS_SEG 0x0070 /* load segment for IO.SYS */
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