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/*
* Copyright (C) 2002-2010 The DOSBox Team
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DOSBOX_BIOS_DISK_H
#define DOSBOX_BIOS_DISK_H
#include <stdio.h>
#ifndef DOSBOX_MEM_H
#include "mem.h"
#endif
#ifndef DOSBOX_DOS_INC_H
#include "dos_inc.h"
#endif
#ifndef DOSBOX_BIOS_H
#include "bios.h"
#endif
/* The Section handling Bios Disk Access */
#define BIOS_MAX_DISK 10
#define MAX_SWAPPABLE_DISKS 20
struct diskGeo {
Bit32u ksize; /* Size in kilobytes */
Bit16u secttrack; /* Sectors per track */
Bit16u headscyl; /* Heads per cylinder */
Bit16u cylcount; /* Cylinders per side */
Bit16u biosval; /* Type to return from BIOS */
};
extern diskGeo DiskGeometryList[];
class imageDisk {
public:
Bit8u Read_Sector(Bit32u head,Bit32u cylinder,Bit32u sector,void * data);
Bit8u Write_Sector(Bit32u head,Bit32u cylinder,Bit32u sector,void * data);
Bit8u Read_AbsoluteSector(Bit32u sectnum, void * data);
Bit8u Write_AbsoluteSector(Bit32u sectnum, void * data);
void Set_Geometry(Bit32u setHeads, Bit32u setCyl, Bit32u setSect, Bit32u setSectSize);
void Get_Geometry(Bit32u * getHeads, Bit32u *getCyl, Bit32u *getSect, Bit32u *getSectSize);
Bit8u GetBiosType(void);
Bit32u getSectSize(void);
imageDisk(FILE *imgFile, Bit8u *imgName, Bit32u imgSizeK, bool isHardDisk);
~imageDisk() { if(diskimg != NULL) { fclose(diskimg); } };
bool hardDrive;
bool active;
FILE *diskimg;
Bit8u diskname[512];
Bit8u floppytype;
Bit32u sector_size;
Bit32u heads,cylinders,sectors;
};
void updateDPT(void);
#define MAX_HDD_IMAGES 2
#define MAX_DISK_IMAGES (2 + MAX_HDD_IMAGES)
extern imageDisk *imageDiskList[MAX_DISK_IMAGES];
extern imageDisk *diskSwap[MAX_SWAPPABLE_DISKS];
extern Bits swapPosition;
extern Bit16u imgDTASeg; /* Real memory location of temporary DTA pointer for fat image disk access */
extern RealPt imgDTAPtr; /* Real memory location of temporary DTA pointer for fat image disk access */
extern DOS_DTA *imgDTA;
void swapInDisks(void);
void swapInNextDisk(void);
bool getSwapRequest(void);
#endif
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