mirror of
https://github.com/retro100/dosbox-wii.git
synced 2024-06-25 21:56:11 +02:00
92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/*
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* Copyright (C) 2002-2019 The DOSBox Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef DOSBOX_BIOS_DISK_H
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#define DOSBOX_BIOS_DISK_H
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#include <stdio.h>
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#ifndef DOSBOX_MEM_H
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#include "mem.h"
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#endif
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#ifndef DOSBOX_DOS_INC_H
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#include "dos_inc.h"
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#endif
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#ifndef DOSBOX_BIOS_H
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#include "bios.h"
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#endif
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/* The Section handling Bios Disk Access */
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#define BIOS_MAX_DISK 10
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#define MAX_SWAPPABLE_DISKS 20
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struct diskGeo {
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Bit32u ksize; /* Size in kilobytes */
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Bit16u secttrack; /* Sectors per track */
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Bit16u headscyl; /* Heads per cylinder */
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Bit16u cylcount; /* Cylinders per side */
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Bit16u biosval; /* Type to return from BIOS */
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};
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extern diskGeo DiskGeometryList[];
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class imageDisk {
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public:
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Bit8u Read_Sector(Bit32u head,Bit32u cylinder,Bit32u sector,void * data);
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Bit8u Write_Sector(Bit32u head,Bit32u cylinder,Bit32u sector,void * data);
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Bit8u Read_AbsoluteSector(Bit32u sectnum, void * data);
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Bit8u Write_AbsoluteSector(Bit32u sectnum, void * data);
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void Set_Geometry(Bit32u setHeads, Bit32u setCyl, Bit32u setSect, Bit32u setSectSize);
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void Get_Geometry(Bit32u * getHeads, Bit32u *getCyl, Bit32u *getSect, Bit32u *getSectSize);
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Bit8u GetBiosType(void);
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Bit32u getSectSize(void);
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imageDisk(FILE *imgFile, const char *imgName, Bit32u imgSizeK, bool isHardDisk);
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~imageDisk() { if(diskimg != NULL) { fclose(diskimg); } };
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bool hardDrive;
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bool active;
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FILE *diskimg;
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char diskname[512];
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Bit8u floppytype;
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Bit32u sector_size;
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Bit32u heads,cylinders,sectors;
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private:
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Bit32u current_fpos;
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enum { NONE,READ,WRITE } last_action;
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};
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void updateDPT(void);
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void incrementFDD(void);
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#define MAX_HDD_IMAGES 2
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#define MAX_DISK_IMAGES (2 + MAX_HDD_IMAGES)
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extern imageDisk *imageDiskList[MAX_DISK_IMAGES];
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extern imageDisk *diskSwap[MAX_SWAPPABLE_DISKS];
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extern Bit32s swapPosition;
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extern Bit16u imgDTASeg; /* Real memory location of temporary DTA pointer for fat image disk access */
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extern RealPt imgDTAPtr; /* Real memory location of temporary DTA pointer for fat image disk access */
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extern DOS_DTA *imgDTA;
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void swapInDisks(void);
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void swapInNextDisk(void);
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bool getSwapRequest(void);
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#endif
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