// license:BSD-3-Clause
// copyright-holders:Michael Zapf
/*********************************************************************
formats/hxchfe_dsk.h
HxC Floppy Emulator HFE file format
*********************************************************************/
#ifndef HXCHFE_DSK_H
#define HXCHFE_DSK_H
#include "flopimg.h"
#define HFE_FORMAT_HEADER "HXCPICFE"
enum encoding_t
{
ISOIBM_MFM_ENCODING = 0x00,
AMIGA_MFM_ENCODING,
ISOIBM_FM_ENCODING,
EMU_FM_ENCODING,
UNKNOWN_ENCODING = 0xff
};
enum floppymode_t
{
IBMPC_DD_FLOPPYMODE = 00,
IBMPC_HD_FLOPPYMODE,
ATARIST_DD_FLOPPYMODE,
ATARIST_HD_FLOPPYMODE,
AMIGA_DD_FLOPPYMODE,
AMIGA_HD_FLOPPYMODE,
CPC_DD_FLOPPYMODE,
GENERIC_SHUGART_DD_FLOPPYMODE,
IBMPC_ED_FLOPPYMODE,
MSX2_DD_FLOPPYMODE,
C64_DD_FLOPPYMODE,
EMU_SHUGART_FLOPPYMODE,
S950_DD_FLOPPYMODE,
S950_HD_FLOPPYMODE,
DISABLE_FLOPPYMODE = 0xfe
};
class hfe_format : public floppy_image_format_t
{
public:
hfe_format();
virtual int identify(io_generic *io, uint32_t form_factor) override;
virtual bool load(io_generic *io, uint32_t form_factor, floppy_image *image) override;
virtual bool save(io_generic *io, floppy_image *image) override;
virtual const char *name() const override;
virtual const char *description() const override;
virtual const char *extensions() const override;
virtual bool supports_save() const override;
void set_floppy_mode(floppymode_t mode) { m_selected_mode = mode; }
void set_encoding(encoding_t enc) { m_selected_encoding = enc; }
private:
void generate_track_from_hfe_bitstream(int track, int head, int samplelength, const uint8_t *trackbuf, int track_end, floppy_image *image);
void generate_hfe_bitstream_from_track(int track, int head, int& samplelength, encoding_t& encoding, uint8_t *trackbuf, int track_end, floppy_image *image);
// Header fields from the HFE format
int m_cylinders; // Number of track in the file
int m_heads; // Number of valid side
encoding_t m_track_encoding; // Track Encoding mode
int m_bit_rate; // Bitrate in Kbit/s (max: 500)
int m_floppy_rpm; // Rotation per minute
floppymode_t m_interface_mode; // Floppy interface mode.
bool m_write_allowed;
bool m_single_step;
bool m_track0s0_has_altencoding;
encoding_t m_track0s0_encoding; // alternate track_encoding for track 0 Side 0
bool m_track0s1_has_altencoding;
encoding_t m_track0s1_encoding; // alternate track_encoding for track 0 Side 1
int m_cyl_offset[256];
int m_cyl_length[256];
floppymode_t m_selected_mode;
encoding_t m_selected_encoding;
};
extern const floppy_format_type FLOPPY_HFE_FORMAT;
#endif /* HXCHFE_DSK_H */