// 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 ***************************************************************************/ #define APPLE2_NIBBLE_SIZE 416 #define APPLE2_SMALL_NIBBLE_SIZE 374 #define APPLE2_STD_TRACK_COUNT 35 #define APPLE2_TRACK_COUNT 40 #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_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; private: static const desc_e mac_gcr[]; uint8_t gb(const uint8_t *buf, int ts, int &pos, int &wrap); void update_chk(const uint8_t *data, int size, uint32_t &chk); bool m_prodos_order; int m_tracks; }; 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_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; private: static const desc_e mac_gcr[]; uint8_t gb(const uint8_t *buf, int ts, int &pos, int &wrap); void update_chk(const uint8_t *data, int size, uint32_t &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_t form_factor) override; virtual bool load(io_generic *io, uint32_t form_factor, floppy_image *image) override; virtual bool supports_save() const override; virtual const char *name() const override; virtual const char *description() const override; virtual const char *extensions() const override; private: static uint8_t pick(const uint8_t *data, int pos); }; extern const floppy_format_type FLOPPY_EDD_FORMAT; class a2_woz_format : public floppy_image_format_t { public: a2_woz_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 supports_save() const override; virtual const char *name() const override; virtual const char *description() const override; virtual const char *extensions() const override; private: static const uint8_t signature[8]; static const uint8_t signature2[8]; static uint32_t r32(const std::vector &data, uint32_t offset); static uint16_t r16(const std::vector &data, uint32_t offset); static uint8_t r8(const std::vector &data, uint32_t offset); static uint32_t crc32r(const uint8_t *data, uint32_t size); static uint32_t find_tag(const std::vector &data, uint32_t tag); }; extern const floppy_format_type FLOPPY_WOZ_FORMAT; #endif // MAME_FORMATS_AP2_DSK_H