h6. [[OS SWI Calls]] h6(. » [[OS_FSControl]] h6((. » OS_FSControl 52 h2. OS_ FSControl 52 h5. (SWI &29) |_<^{width:4em}. Entry | | |<^. R0 |<^. 52 (&34) | |<^. R1 |<^. Pointer to name of image file or disc| |<^. R2 |<^. Offset into image file or disc | |<^. R3 |<^. Pointer to buffer to receive object name | |<^. R4 |<^. Buffer length | |_<^{width:4em}. Exit | | |<^. R0|<^. Preserved | |<^. R1|<^. Preserved | |<^. R2|<^. [[OS_FSControl 52 Object Types|Object Type]] | |<^. R3|<^. Preserved | |<^. R4|<^. Preserved | h4. Use The purpose of this call is to find the name and type of object that uses a particular offset within an image. h4. Notes This call scans a disc or image file to find which object occupies a particular disc address. This is useful in trying to recover files, or map out a defect. The buffer contains object name (may be corrupted if not found). h4. See also * [[OS_FSControl]] * [[OS_FSControl 52 Object Types]]