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author Miodrag Milanovic <mmicko@gmail.com>2011-10-23 15:50:00 +0000
committer Miodrag Milanovic <mmicko@gmail.com>2011-10-23 15:50:00 +0000
commit4403e7bdd879c0db454f0d56b81cc3ef4210dac9 (patch)
treecc306dc5803ffb4eb70e8590f240a9e0731ed43d /src/lib/formats/ipf_dsk.h
parent4ceb0bbdfe12428ac145397cde997dee246a8e53 (diff)
Synced with MESS (no whatsnew)
Diffstat (limited to 'src/lib/formats/ipf_dsk.h')
-rw-r--r--src/lib/formats/ipf_dsk.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/src/lib/formats/ipf_dsk.h b/src/lib/formats/ipf_dsk.h
new file mode 100644
index 00000000000..b453c7c3115
--- /dev/null
+++ b/src/lib/formats/ipf_dsk.h
@@ -0,0 +1,87 @@
+#ifndef IPF_DSK_H_
+#define IPF_DSK_H_
+
+#include "flopimg.h"
+
+class ipf_format : public floppy_image_format_t
+{
+public:
+ ipf_format();
+
+ virtual int identify(io_generic *io);
+ virtual bool load(io_generic *io, floppy_image *image);
+
+ virtual const char *name() const;
+ virtual const char *description() const;
+ virtual const char *extensions() const;
+ virtual bool supports_save() const;
+
+private:
+ struct track_info {
+ UINT32 cylinder, head, type;
+ UINT32 t12, t44, t56, t60, t64;
+ UINT32 size_bytes, size_cells;
+ UINT32 index_bytes, index_cells;
+ UINT32 datasize_cells, gapsize_cells;
+ UINT32 block_count, weak_bits;
+
+ UINT32 d4;
+
+ bool info_set;
+
+ const UINT8 *data;
+ UINT32 data_size;
+ };
+
+ track_info *tinfos;
+ UINT32 tcount;
+
+ UINT32 type, release, revision;
+ UINT32 f4, f8, f14;
+ UINT32 min_cylinder, max_cylinder, min_head, max_head;
+ UINT32 credit_day, credit_time;
+ UINT32 platform[4], extra[5];
+
+ UINT32 crc32r(const UINT8 *data, UINT32 size);
+
+ bool parse_info(const UINT8 *info);
+ bool parse_imge(const UINT8 *imge);
+ bool parse_data(const UINT8 *data, UINT32 &pos, UINT32 max_extra_size);
+
+ bool scan_one_tag(UINT8 *data, UINT32 size, UINT32 &pos, UINT8 *&tag, UINT32 &tsize);
+ bool scan_all_tags(UINT8 *data, UINT32 size);
+ static UINT32 r32(const UINT8 *p);
+ static UINT32 rb(const UINT8 *&p, int count);
+
+ track_info *get_index(UINT32 idx);
+
+ void track_write_raw(UINT32 *&track, const UINT8 *data, UINT32 cells, bool &context);
+ void track_write_mfm(UINT32 *&track, const UINT8 *data, UINT32 start_offset, UINT32 patlen, UINT32 cells, bool &context);
+ void track_write_weak(UINT32 *&track, UINT32 cells);
+ bool generate_block_data(const UINT8 *data, const UINT8 *dlimit, UINT32 *track, UINT32 *tlimit, bool &context);
+
+ bool gap_description_to_reserved_size(const UINT8 *&data, const UINT8 *dlimit, UINT32 &res_size);
+ bool generate_gap_from_description(const UINT8 *&data, const UINT8 *dlimit, UINT32 *track, UINT32 size, bool pre, bool &context);
+ bool generate_block_gap_0(UINT32 gap_cells, UINT8 pattern, UINT32 &spos, UINT32 ipos, UINT32 *track, bool &context);
+ bool generate_block_gap_1(UINT32 gap_cells, UINT32 &spos, const UINT8 *data, const UINT8 *dlimit, UINT32 *track, bool &context);
+ bool generate_block_gap_2(UINT32 gap_cells, UINT32 &spos, const UINT8 *data, const UINT8 *dlimit, UINT32 *track, bool &context);
+ bool generate_block_gap_3(UINT32 gap_cells, UINT32 &spos, UINT32 ipos, const UINT8 *data, const UINT8 *dlimit, UINT32 *track, bool &context);
+ bool generate_block_gap(UINT32 gap_type, UINT32 gap_cells, UINT8 pattern, UINT32 &spos, UINT32 ipos, const UINT8 *data, const UINT8 *dlimit, UINT32 *track, bool &context);
+
+ bool generate_block(track_info *t, UINT32 idx, UINT32 ipos, UINT32 *track, UINT32 &pos, UINT32 &dpos, UINT32 &gpos, UINT32 &spos, bool &context);
+ UINT32 block_compute_real_size(track_info *t);
+
+ void timing_set(UINT32 *track, UINT32 start, UINT32 end, UINT32 time);
+ bool generate_timings(track_info *t, UINT32 *track, const UINT32 *data_pos, const UINT32 *gap_pos);
+
+ void rotate(UINT32 *track, UINT32 offset, UINT32 size);
+ void mark_track_splice(UINT32 *t);
+ bool generate_track(track_info *t, floppy_image *image);
+ bool generate_tracks(floppy_image *image);
+
+ bool parse(UINT8 *data, UINT32 size, floppy_image *image);
+};
+
+extern const floppy_format_type FLOPPY_IPF_FORMAT;
+
+#endif /*IPF_DSK_H_*/