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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)
#ifndef EC
#define EC
#endif
typedef struct {
uint8 Jmp[3]; // NEAR jump machine code
char OEM_ID[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;
EC Boot *ReadBoot(int drive);
EC uint8 CheckBoot(Boot *boot);
EC bool WriteBoot(int drive, Boot *boot);
} // End of namespace CGE
#endif
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