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IDEDOS_Plus3DOSPartition.h
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IDEDOS_Plus3DOSPartition.h
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// IDEDOS_Plus3DOSPartition.h: interface for the CIDEDOS_Plus3DOSPartition class.
//
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_IDEDOS_PLUS3DOSPARTITION_H__9F47A008_2139_4F90_9BC0_77D7D4B5F4CE__INCLUDED_)
#define AFX_IDEDOS_PLUS3DOSPARTITION_H__9F47A008_2139_4F90_9BC0_77D7D4B5F4CE__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "IDEDOSPartitionDefinition.h"
#include "3eExplorerDoc.h" // Added by ClassView
class CIDEDOS_Plus3DOSPartition : public CIDEDOSPartitionDefinition
{
public:
CIDEDOS_Plus3DOSPartition(CMy3eExplorerDoc * _p3eDoc, char * block);
virtual ~CIDEDOS_Plus3DOSPartition();
#pragma pack(push, 1)
typedef struct {
WORD spt; // records_per_track_128
BYTE bsh; // block_shift
BYTE blm; // block_mask
BYTE exm; // extent_mask
WORD dsm; // blocks_on_disk
WORD drm; // directory_entries
BYTE al0; // directory allocation bitmap first byte
BYTE al1; // directory allocation bitmap second byte
WORD cks; // checksum vector size
WORD off; // offset, number of reserved tracks
BYTE psh; // physical sector shift (0 = 128b, 1 = 256b, 2 = 512b, ...)
BYTE phm; // physical sector mask (0 = 128b, 1 = 256b, 3 = 512b, ...)
// now come the amstrad extensions...
BYTE sidedness;
BYTE tracks_per_side;
BYTE sectors_per_track;
BYTE first_physical_sector_number;
WORD sector_size;
BYTE upd765a_rw_gap;
BYTE upd765a_format_gap;
BYTE multitrack_flags;
BYTE freeze_flag;
inline int g_spt() const {return (int)spt;};
inline int g_bsh() const {return (int)bsh;};
inline int g_blm() const {return (int)blm;};
inline int g_exm() const {return (int)exm;};
inline int g_dsm() const {return (int)dsm;};
inline int g_drm() const {return (int)drm;};
inline int g_al0() const {return (int)al0;};
inline int g_al1() const {return (int)al1;};
inline int g_cks() const {return (int)cks;};
inline int g_off() const {return (int)off;};
inline int g_psh() const {return (int)psh;};
inline int g_phm() const {return (int)phm;};
inline int g_sidedness() const {return (int)sidedness;};
inline int g_tracks_per_side() const {return (int)tracks_per_side;};
inline int g_sectors_per_track() const {return (int)sectors_per_track;};
inline int g_first_physical_sector_number() const {return (int)first_physical_sector_number;};
inline int g_sector_size() const {return (int)sector_size;};
inline int g_upd765a_rw_gap() const {return (int)upd765a_rw_gap;};
inline int g_upd765a_format_gap() const {return (int)upd765a_format_gap;};
inline int g_multitrack_flags() const {return (int)multitrack_flags;};
inline int g_freeze_flag() const {return (int)freeze_flag;};
} T_IDEDOS_PLUS3DOS_PARTITION;
#pragma pack(pop)
public:
bool BlockToCHS(WORD _block, CCHS &_chs) const;
virtual void ParseForChildren();
virtual std::string GetInformation();
BYTE ExtentMask() const {return m_plus3dos_partition.exm;};
WORD AllocationMask() const {return (WORD)(m_plus3dos_partition.al1 + (m_plus3dos_partition.al0 * 256));};
int BlockSize() const {return (128 << (m_plus3dos_partition.g_bsh()));};
int SectorsInABlock() const {return (BlockSize() / m_p3eDoc->GetRoot()->getSectorSize());};
bool ALRecordsAre16bit() const {return (m_plus3dos_partition.g_dsm() > 255);};
protected:
T_IDEDOS_PLUS3DOS_PARTITION m_plus3dos_partition;
unsigned int m_block_size;
};
#endif // !defined(AFX_IDEDOS_PLUS3DOSPARTITION_H__9F47A008_2139_4F90_9BC0_77D7D4B5F4CE__INCLUDED_)