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-rw-r--r--src/lib/formats/ap2_dsk.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/lib/formats/ap2_dsk.h b/src/lib/formats/ap2_dsk.h
index a12994f3755..15b41503ce9 100644
--- a/src/lib/formats/ap2_dsk.h
+++ b/src/lib/formats/ap2_dsk.h
@@ -132,4 +132,30 @@ private:
extern const floppy_format_type FLOPPY_WOZ_FORMAT;
+
+class a2_nib_format : public floppy_image_format_t
+{
+public:
+ a2_nib_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;
+ 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 constexpr size_t nibbles_per_track = 0x1a00;
+ static constexpr size_t min_sync_bytes = 4;
+ static constexpr auto expected_size_35t = 35 * nibbles_per_track;
+ static constexpr auto expected_size_40t = 40 * nibbles_per_track;
+
+ std::vector<uint32_t> generate_levels_from_nibbles(const std::vector<uint8_t>& nibbles);
+};
+
+extern const floppy_format_type FLOPPY_NIB_FORMAT;
+
#endif // MAME_FORMATS_AP2_DSK_H