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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 (at your option) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on original Soltys source code
* Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon
*/
#ifndef __BOOT__
#define __BOOT__
#include "cge/jbw.h"
namespace CGE {
#define BOOTSECT_SIZ 512
#define BOOTHEAD_SIZ 62
#define BOOTCODE_SIZ BOOTSECT_SIZ-BOOTHEAD_SIZ
#define FreeBoot(b) free(b)
struct Boot {
uint8 _jmp[3]; // NEAR jump machine code
char _idOEM[8]; // OEM name and version
uint16 _sectSize; // bytes per sector
uint8 _clustSize; // sectors per cluster
uint16 _resSecs; // sectors before 1st FAT
uint8 _fatCnt; // number of FATs
uint16 _rootSize; // root directory entries
uint16 _totSecs; // total sectors on disk
uint8 _media; // media descriptor byte
uint16 _fatSize; // sectors per FAT
uint16 _trkSecs; // sectors per track
uint16 _headCnt; // number of sufraces
uint16 _hidnSecs; // special hidden sectors
uint16 __; // (unknown: reserved?)
uint32 _lTotSecs; // total number of sectors
uint16 _driveNum; // physical drive number
uint8 _xSign; // extended boot signature
uint32 _serial; // volume serial number
char _label[11]; // volume label
char _fileSysID[8]; // file system ID
char _code[BOOTCODE_SIZ - 8]; // 8 = length of following
uint32 _secret; // long secret number
uint8 _bootCheck; // boot sector checksum
uint8 _bootFlags; // secret flags
uint16 _bootSig; // boot signature 0xAA55
};
Boot *readBoot(int drive);
uint8 checkBoot(Boot *boot);
bool writeBoot(int drive, Boot *boot);
} // End of namespace CGE
#endif
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