/********************************************************************* ap2_dsk.h Apple II disk images *********************************************************************/ #ifndef AP2_DISK_H #define AP2_DISK_H #include "flopimg.h" /*************************************************************************** Constants ***************************************************************************/ #define APPLE2_NIBBLE_SIZE 416 #define APPLE2_SMALL_NIBBLE_SIZE 374 #define APPLE2_TRACK_COUNT 35 #define APPLE2_SECTOR_COUNT 16 #define APPLE2_SECTOR_SIZE 256 /**************************************************************************/ LEGACY_FLOPPY_OPTIONS_EXTERN(apple2); // new style code class a2_16sect_format : public floppy_image_format_t { public: a2_16sect_format(); virtual int identify(io_generic *io, UINT32 form_factor); virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image); virtual bool save(io_generic *io, floppy_image *image); virtual const char *name() const; virtual const char *description() const; virtual const char *extensions() const; virtual bool supports_save() const; private: static const desc_e mac_gcr[]; UINT8 gb(const UINT8 *buf, int ts, int &pos, int &wrap); void update_chk(const UINT8 *data, int size, UINT32 &chk); bool m_prodos_order; }; extern const floppy_format_type FLOPPY_A216S_FORMAT; class a2_rwts18_format : public floppy_image_format_t { public: a2_rwts18_format(); virtual int identify(io_generic *io, UINT32 form_factor); virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image); virtual bool save(io_generic *io, floppy_image *image); virtual const char *name() const; virtual const char *description() const; virtual const char *extensions() const; virtual bool supports_save() const; private: static const desc_e mac_gcr[]; UINT8 gb(const UINT8 *buf, int ts, int &pos, int &wrap); void update_chk(const UINT8 *data, int size, UINT32 &chk); }; extern const floppy_format_type FLOPPY_RWTS18_FORMAT; class a2_edd_format : public floppy_image_format_t { public: a2_edd_format(); virtual int identify(io_generic *io, UINT32 form_factor); virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image); virtual bool supports_save() const; virtual const char *name() const; virtual const char *description() const; virtual const char *extensions() const; private: static UINT8 pick(const UINT8 *data, int pos); }; extern const floppy_format_type FLOPPY_EDD_FORMAT; #endif /* AP2_DISK_H */