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Index Word Description
0 Header code [0x08510242]
1-4 ExtSaveDataInfo
5 Number of Directories
6 Number of Files
7-8 u64, Size Limit (default = -1)
9 SMDH Size
10 (SMDH Size << 4) | 0xA
11 SMDH Data Pointer


Index Word Description
0 Header code
1 Result code


This creates the ExtSaveData with the specified saveid in the specified media type. It stores the SMDH as "icon" in the root of the created directory. For more information see Extdata#VSXE_Filesystem_structure