0xff810000
GetDrive_TotalClusters 0xFF86BB38 11
GetDrive_FreeClusters 0xFF86BB64 9
ReadFastDir 0xFFA7E1E4
OpenFastDir 0xFFA7E0B0
closedir 0xFFA7E06C 17
GetFocusLensSubjectDistanceFromLens 0xFF9430E8 22
SetFileTimeStamp 0xFF835694 17
SetFileAttributes 0xFF8356D8