diff options
Diffstat (limited to 'src/lib/formats/ipf_dsk.h')
-rw-r--r-- | src/lib/formats/ipf_dsk.h | 128 |
1 files changed, 64 insertions, 64 deletions
diff --git a/src/lib/formats/ipf_dsk.h b/src/lib/formats/ipf_dsk.h index a2e4bee2a79..82447da3297 100644 --- a/src/lib/formats/ipf_dsk.h +++ b/src/lib/formats/ipf_dsk.h @@ -12,8 +12,6 @@ class ipf_format : public floppy_image_format_t { public: - ipf_format(); - virtual int identify(io_generic *io, uint32_t form_factor, const std::vector<uint32_t> &variants) override; virtual bool load(io_generic *io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image *image) override; @@ -23,69 +21,71 @@ public: virtual bool supports_save() const override; private: - struct track_info { - uint32_t cylinder = 0, head = 0, type = 0; - uint32_t sigtype = 0, process = 0, reserved[3] = { 0, 0, 0 }; - uint32_t size_bytes = 0, size_cells = 0; - uint32_t index_bytes = 0, index_cells = 0; - uint32_t datasize_cells = 0, gapsize_cells = 0; - uint32_t block_count = 0, weak_bits = 0; - - uint32_t data_size_bits = 0; - - bool info_set = false; - - const uint8_t *data = nullptr; - uint32_t data_size = 0; + struct ipf_decode { + struct track_info { + uint32_t cylinder = 0, head = 0, type = 0; + uint32_t sigtype = 0, process = 0, reserved[3] = { 0, 0, 0 }; + uint32_t size_bytes = 0, size_cells = 0; + uint32_t index_bytes = 0, index_cells = 0; + uint32_t datasize_cells = 0, gapsize_cells = 0; + uint32_t block_count = 0, weak_bits = 0; + + uint32_t data_size_bits = 0; + + bool info_set = false; + + const uint8_t *data = nullptr; + uint32_t data_size = 0; + }; + + std::vector<track_info> tinfos; + uint32_t tcount = 0; + + uint32_t type = 0, release = 0, revision = 0; + uint32_t encoder_type = 0, encoder_revision = 0, origin = 0; + uint32_t min_cylinder = 0, max_cylinder = 0, min_head = 0, max_head = 0; + uint32_t credit_day = 0, credit_time = 0; + uint32_t platform[4] = {}, extra[5] = {}; + + uint32_t crc32r(const uint8_t *data, uint32_t size); + + bool parse_info(const uint8_t *info); + bool parse_imge(const uint8_t *imge); + bool parse_data(const uint8_t *data, uint32_t &pos, uint32_t max_extra_size); + + bool scan_one_tag(std::vector<uint8_t> &data, uint32_t &pos, uint8_t *&tag, uint32_t &tsize); + bool scan_all_tags(std::vector<uint8_t> &data); + static uint32_t r32(const uint8_t *p); + static uint32_t rb(const uint8_t *&p, int count); + + track_info *get_index(uint32_t idx); + + void track_write_raw(std::vector<uint32_t>::iterator &tpos, const uint8_t *data, uint32_t cells, bool &context); + void track_write_mfm(std::vector<uint32_t>::iterator &tpos, const uint8_t *data, uint32_t start_offset, uint32_t patlen, uint32_t cells, bool &context); + void track_write_weak(std::vector<uint32_t>::iterator &tpos, uint32_t cells); + bool generate_block_data(const uint8_t *data, const uint8_t *dlimit, std::vector<uint32_t>::iterator tpos, std::vector<uint32_t>::iterator tlimit, bool &context); + + bool gap_description_to_reserved_size(const uint8_t *&data, const uint8_t *dlimit, uint32_t &res_size); + bool generate_gap_from_description(const uint8_t *&data, const uint8_t *dlimit, std::vector<uint32_t>::iterator tpos, uint32_t size, bool pre, bool &context); + bool generate_block_gap_0(uint32_t gap_cells, uint8_t pattern, uint32_t &spos, uint32_t ipos, std::vector<uint32_t>::iterator &tpos, bool &context); + bool generate_block_gap_1(uint32_t gap_cells, uint32_t &spos, uint32_t ipos, const uint8_t *data, const uint8_t *dlimit, std::vector<uint32_t>::iterator &tpos, bool &context); + bool generate_block_gap_2(uint32_t gap_cells, uint32_t &spos, uint32_t ipos, const uint8_t *data, const uint8_t *dlimit, std::vector<uint32_t>::iterator &tpos, bool &context); + bool generate_block_gap_3(uint32_t gap_cells, uint32_t &spos, uint32_t ipos, const uint8_t *data, const uint8_t *dlimit, std::vector<uint32_t>::iterator &tpos, bool &context); + bool generate_block_gap(uint32_t gap_type, uint32_t gap_cells, uint8_t pattern, uint32_t &spos, uint32_t ipos, const uint8_t *data, const uint8_t *dlimit, std::vector<uint32_t>::iterator tpos, bool &context); + + bool generate_block(track_info *t, uint32_t idx, uint32_t ipos, std::vector<uint32_t> &track, uint32_t &pos, uint32_t &dpos, uint32_t &gpos, uint32_t &spos, bool &context); + uint32_t block_compute_real_size(track_info *t); + + void timing_set(std::vector<uint32_t> &track, uint32_t start, uint32_t end, uint32_t time); + bool generate_timings(track_info *t, std::vector<uint32_t> &track, const std::vector<uint32_t> &data_pos, const std::vector<uint32_t> &gap_pos); + + void rotate(std::vector<uint32_t> &track, uint32_t offset, uint32_t size); + void mark_track_splice(std::vector<uint32_t> &track, uint32_t offset, uint32_t size); + bool generate_track(track_info *t, floppy_image *image); + bool generate_tracks(floppy_image *image); + + bool parse(std::vector<uint8_t> &data, floppy_image *image); }; - - std::vector<track_info> tinfos; - uint32_t tcount; - - uint32_t type, release, revision; - uint32_t encoder_type, encoder_revision, origin; - uint32_t min_cylinder, max_cylinder, min_head, max_head; - uint32_t credit_day, credit_time; - uint32_t platform[4], extra[5]; - - uint32_t crc32r(const uint8_t *data, uint32_t size); - - bool parse_info(const uint8_t *info); - bool parse_imge(const uint8_t *imge); - bool parse_data(const uint8_t *data, uint32_t &pos, uint32_t max_extra_size); - - bool scan_one_tag(std::vector<uint8_t> &data, uint32_t &pos, uint8_t *&tag, uint32_t &tsize); - bool scan_all_tags(std::vector<uint8_t> &data); - static uint32_t r32(const uint8_t *p); - static uint32_t rb(const uint8_t *&p, int count); - - track_info *get_index(uint32_t idx); - - void track_write_raw(std::vector<uint32_t>::iterator &tpos, const uint8_t *data, uint32_t cells, bool &context); - void track_write_mfm(std::vector<uint32_t>::iterator &tpos, const uint8_t *data, uint32_t start_offset, uint32_t patlen, uint32_t cells, bool &context); - void track_write_weak(std::vector<uint32_t>::iterator &tpos, uint32_t cells); - bool generate_block_data(const uint8_t *data, const uint8_t *dlimit, std::vector<uint32_t>::iterator tpos, std::vector<uint32_t>::iterator tlimit, bool &context); - - bool gap_description_to_reserved_size(const uint8_t *&data, const uint8_t *dlimit, uint32_t &res_size); - bool generate_gap_from_description(const uint8_t *&data, const uint8_t *dlimit, std::vector<uint32_t>::iterator tpos, uint32_t size, bool pre, bool &context); - bool generate_block_gap_0(uint32_t gap_cells, uint8_t pattern, uint32_t &spos, uint32_t ipos, std::vector<uint32_t>::iterator &tpos, bool &context); - bool generate_block_gap_1(uint32_t gap_cells, uint32_t &spos, uint32_t ipos, const uint8_t *data, const uint8_t *dlimit, std::vector<uint32_t>::iterator &tpos, bool &context); - bool generate_block_gap_2(uint32_t gap_cells, uint32_t &spos, uint32_t ipos, const uint8_t *data, const uint8_t *dlimit, std::vector<uint32_t>::iterator &tpos, bool &context); - bool generate_block_gap_3(uint32_t gap_cells, uint32_t &spos, uint32_t ipos, const uint8_t *data, const uint8_t *dlimit, std::vector<uint32_t>::iterator &tpos, bool &context); - bool generate_block_gap(uint32_t gap_type, uint32_t gap_cells, uint8_t pattern, uint32_t &spos, uint32_t ipos, const uint8_t *data, const uint8_t *dlimit, std::vector<uint32_t>::iterator tpos, bool &context); - - bool generate_block(track_info *t, uint32_t idx, uint32_t ipos, std::vector<uint32_t> &track, uint32_t &pos, uint32_t &dpos, uint32_t &gpos, uint32_t &spos, bool &context); - uint32_t block_compute_real_size(track_info *t); - - void timing_set(std::vector<uint32_t> &track, uint32_t start, uint32_t end, uint32_t time); - bool generate_timings(track_info *t, std::vector<uint32_t> &track, const std::vector<uint32_t> &data_pos, const std::vector<uint32_t> &gap_pos); - - void rotate(std::vector<uint32_t> &track, uint32_t offset, uint32_t size); - void mark_track_splice(std::vector<uint32_t> &track, uint32_t offset, uint32_t size); - bool generate_track(track_info *t, floppy_image *image); - bool generate_tracks(floppy_image *image); - - bool parse(std::vector<uint8_t> &data, floppy_image *image); }; extern const floppy_format_type FLOPPY_IPF_FORMAT; |