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-rw-r--r--src/lib/formats/ap2_dsk.h132
1 files changed, 75 insertions, 57 deletions
diff --git a/src/lib/formats/ap2_dsk.h b/src/lib/formats/ap2_dsk.h
index b5b08db663b..33117ecbd84 100644
--- a/src/lib/formats/ap2_dsk.h
+++ b/src/lib/formats/ap2_dsk.h
@@ -21,70 +21,89 @@
***************************************************************************/
-#define APPLE2_NIBBLE_SIZE 416
-#define APPLE2_SMALL_NIBBLE_SIZE 374
-//#define APPLE2_TRACK_COUNT 35
-#define APPLE2_TRACK_COUNT 40
-#define APPLE2_SECTOR_COUNT 16
-#define APPLE2_SECTOR_SIZE 256
+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<uint32_t> &variants) const override;
+ virtual bool load(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &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;
-LEGACY_FLOPPY_OPTIONS_EXTERN(apple2);
+private:
+ static uint8_t gb(const std::vector<bool> &buf, int &pos, int &wrap);
+};
-// new style code
+extern const a2_13sect_format FLOPPY_A213S_FORMAT;
class a2_16sect_format : public floppy_image_format_t
{
public:
- a2_16sect_format();
+ a2_16sect_format(bool prodos_order);
- 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 int identify(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants) const override;
+ virtual bool load(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image &image) const override;
+ virtual bool save(util::random_read_write &io, const std::vector<uint32_t> &variants, const floppy_image &image) const 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;
+ virtual bool supports_save() const noexcept override;
private:
- static const desc_e mac_gcr[];
+ const bool m_prodos_order;
- 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);
+ static uint8_t gb(const std::vector<bool> &buf, int &pos, int &wrap);
+};
- bool m_prodos_order;
+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;
+};
- int m_tracks;
+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 floppy_format_type FLOPPY_A216S_FORMAT;
+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(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 int identify(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants) const override;
+ virtual bool load(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image &image) const override;
+ virtual bool save(util::random_read_write &io, const std::vector<uint32_t> &variants, const floppy_image &image) const 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;
+ 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[];
- 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);
+ static uint8_t gb(const std::vector<bool> &buf, int &pos, int &wrap);
};
-extern const floppy_format_type FLOPPY_RWTS18_FORMAT;
+extern const a2_rwts18_format FLOPPY_RWTS18_FORMAT;
class a2_edd_format : public floppy_image_format_t
@@ -92,44 +111,43 @@ 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 int identify(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants) const override;
+ virtual bool load(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image &image) const override;
+ virtual bool supports_save() const noexcept override;
- virtual const char *name() const override;
- virtual const char *description() const override;
- virtual const char *extensions() const 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 floppy_format_type FLOPPY_EDD_FORMAT;
+extern const a2_edd_format FLOPPY_EDD_FORMAT;
-class a2_woz_format : public floppy_image_format_t
+class a2_nib_format : public floppy_image_format_t
{
public:
- a2_woz_format();
+ a2_nib_format();
+
+ virtual int identify(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants) const override;
+ virtual bool load(util::random_read &io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image &image) const override;
+ virtual bool supports_save() const noexcept override;
- 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 noexcept override;
+ virtual const char *description() const noexcept override;
+ virtual const char *extensions() const noexcept 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<uint8_t> &data, uint32_t offset);
- static uint16_t r16(const std::vector<uint8_t> &data, uint32_t offset);
- static uint8_t r8(const std::vector<uint8_t> &data, uint32_t offset);
- static uint32_t crc32r(const uint8_t *data, uint32_t size);
- static uint32_t find_tag(const std::vector<uint8_t> &data, uint32_t tag);
+ 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<uint32_t> generate_levels_from_nibbles(const std::vector<uint8_t>& nibbles);
};
-extern const floppy_format_type FLOPPY_WOZ_FORMAT;
+extern const a2_nib_format FLOPPY_NIB_FORMAT;
#endif // MAME_FORMATS_AP2_DSK_H