Yaz (File Compression)

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Yaz is the file compression algorithm used in Ocarina of Time and other Nintendo games.

More info about the Yaz algorithm can be found at [1] and source code for compressing/decompressing Yaz blocks can be found at [2]

In 64DD games the '0' and '1' in Yay, Yaz and MIO are read to determine if the archive source is cart or disk respectively. However, due to the lack of Disk Drive games, and emulators capable of supporting them, Yaz is often called Yaz0.