--- /dev/null
+/*
+ * Copyright (C) 2002-2015 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;
+private:
+ Bit32u current_fpos;
+ enum { NONE,READ,WRITE } last_action;
+};
+
+void updateDPT(void);
+void incrementFDD(void);
+
+#define MAX_HDD_IMAGES 2
+
+extern imageDisk *imageDiskList[2 + MAX_HDD_IMAGES];
+extern imageDisk *diskSwap[20];
+extern Bit32s 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