mirror of
https://github.com/holub/mame
synced 2025-04-16 21:44:32 +03:00
104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
/*********************************************************************
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ap2_dsk.h
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Apple II disk images
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*********************************************************************/
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#ifndef AP2_DISK_H
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#define AP2_DISK_H
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#include "flopimg.h"
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/***************************************************************************
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Constants
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***************************************************************************/
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#define APPLE2_NIBBLE_SIZE 416
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#define APPLE2_SMALL_NIBBLE_SIZE 374
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#define APPLE2_TRACK_COUNT 35
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#define APPLE2_SECTOR_COUNT 16
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#define APPLE2_SECTOR_SIZE 256
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/**************************************************************************/
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LEGACY_FLOPPY_OPTIONS_EXTERN(apple2);
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// new style code
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class a2_16sect_format : public floppy_image_format_t
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{
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public:
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a2_16sect_format();
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virtual int identify(io_generic *io, UINT32 form_factor);
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virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image);
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virtual bool save(io_generic *io, floppy_image *image);
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virtual const char *name() const;
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virtual const char *description() const;
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virtual const char *extensions() const;
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virtual bool supports_save() const;
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private:
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static const desc_e mac_gcr[];
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UINT8 gb(const UINT8 *buf, int ts, int &pos, int &wrap);
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void update_chk(const UINT8 *data, int size, UINT32 &chk);
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bool m_prodos_order;
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};
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extern const floppy_format_type FLOPPY_A216S_FORMAT;
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class a2_rwts18_format : public floppy_image_format_t
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{
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public:
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a2_rwts18_format();
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virtual int identify(io_generic *io, UINT32 form_factor);
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virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image);
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virtual bool save(io_generic *io, floppy_image *image);
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virtual const char *name() const;
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virtual const char *description() const;
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virtual const char *extensions() const;
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virtual bool supports_save() const;
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private:
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static const desc_e mac_gcr[];
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UINT8 gb(const UINT8 *buf, int ts, int &pos, int &wrap);
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void update_chk(const UINT8 *data, int size, UINT32 &chk);
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};
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extern const floppy_format_type FLOPPY_RWTS18_FORMAT;
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class a2_edd_format : public floppy_image_format_t
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{
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public:
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a2_edd_format();
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virtual int identify(io_generic *io, UINT32 form_factor);
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virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image);
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virtual bool supports_save() const;
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virtual const char *name() const;
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virtual const char *description() const;
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virtual const char *extensions() const;
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private:
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static UINT8 pick(const UINT8 *data, int pos);
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};
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extern const floppy_format_type FLOPPY_EDD_FORMAT;
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#endif /* AP2_DISK_H */
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