// license:BSD-3-Clause // copyright-holders:Olivier Galibert, R. Belmont /********************************************************************* ap2_dsk.h Apple II disk images *********************************************************************/ #ifndef MAME_FORMATS_AP2_DSK_H #define MAME_FORMATS_AP2_DSK_H #pragma once #include "flopimg.h" /*************************************************************************** Constants ***************************************************************************/ constexpr int APPLE2_STD_TRACK_COUNT = 35; constexpr int APPLE2_TRACK_COUNT = 40; constexpr int APPLE2_SECTOR_SIZE = 256; /**************************************************************************/ class a2_13sect_format : public floppy_image_format_t { public: a2_13sect_format(); virtual int identify(util::random_read &io, uint32_t form_factor, const std::vector &variants) const override; virtual bool load(util::random_read &io, uint32_t form_factor, const std::vector &variants, floppy_image &image) const override; virtual const char *name() const noexcept override; virtual const char *description() const noexcept override; virtual const char *extensions() const noexcept override; virtual bool supports_save() const noexcept override; private: static uint8_t gb(const std::vector &buf, int &pos, int &wrap); }; extern const a2_13sect_format FLOPPY_A213S_FORMAT; class a2_16sect_format : public floppy_image_format_t { public: a2_16sect_format(bool prodos_order); virtual int identify(util::random_read &io, uint32_t form_factor, const std::vector &variants) const override; virtual bool load(util::random_read &io, uint32_t form_factor, const std::vector &variants, floppy_image &image) const override; virtual bool save(util::random_read_write &io, const std::vector &variants, const floppy_image &image) const override; virtual bool supports_save() const noexcept override; private: const bool m_prodos_order; static uint8_t gb(const std::vector &buf, int &pos, int &wrap); }; class a2_16sect_dos_format : public a2_16sect_format { public: a2_16sect_dos_format(); virtual const char *name() const noexcept override; virtual const char *description() const noexcept override; virtual const char *extensions() const noexcept override; }; class a2_16sect_prodos_format : public a2_16sect_format { public: a2_16sect_prodos_format(); virtual const char *name() const noexcept override; virtual const char *description() const noexcept override; virtual const char *extensions() const noexcept override; }; extern const a2_16sect_dos_format FLOPPY_A216S_DOS_FORMAT; extern const a2_16sect_prodos_format FLOPPY_A216S_PRODOS_FORMAT; class a2_rwts18_format : public floppy_image_format_t { public: a2_rwts18_format(); virtual int identify(util::random_read &io, uint32_t form_factor, const std::vector &variants) const override; virtual bool load(util::random_read &io, uint32_t form_factor, const std::vector &variants, floppy_image &image) const override; virtual bool save(util::random_read_write &io, const std::vector &variants, const floppy_image &image) const override; virtual const char *name() const noexcept override; virtual const char *description() const noexcept override; virtual const char *extensions() const noexcept override; virtual bool supports_save() const noexcept override; private: static const desc_e mac_gcr[]; static uint8_t gb(const std::vector &buf, int &pos, int &wrap); }; extern const a2_rwts18_format FLOPPY_RWTS18_FORMAT; class a2_edd_format : public floppy_image_format_t { public: a2_edd_format(); virtual int identify(util::random_read &io, uint32_t form_factor, const std::vector &variants) const override; virtual bool load(util::random_read &io, uint32_t form_factor, const std::vector &variants, floppy_image &image) const override; virtual bool supports_save() const noexcept override; virtual const char *name() const noexcept override; virtual const char *description() const noexcept override; virtual const char *extensions() const noexcept override; private: static uint8_t pick(const uint8_t *data, int pos); }; extern const a2_edd_format FLOPPY_EDD_FORMAT; class a2_nib_format : public floppy_image_format_t { public: a2_nib_format(); virtual int identify(util::random_read &io, uint32_t form_factor, const std::vector &variants) const override; virtual bool load(util::random_read &io, uint32_t form_factor, const std::vector &variants, floppy_image &image) const override; virtual bool supports_save() const noexcept override; virtual const char *name() const noexcept override; virtual const char *description() const noexcept override; virtual const char *extensions() const noexcept override; private: static constexpr size_t nibbles_per_track = 0x1a00; static constexpr size_t min_sync_bytes = 4; static constexpr auto expected_size_35t = APPLE2_STD_TRACK_COUNT * nibbles_per_track; static constexpr auto expected_size_40t = APPLE2_TRACK_COUNT * nibbles_per_track; static std::vector generate_levels_from_nibbles(const std::vector& nibbles); }; extern const a2_nib_format FLOPPY_NIB_FORMAT; #endif // MAME_FORMATS_AP2_DSK_H