h6. [[OS SWI Calls]] h6(. » [[OS_FSControl]] h6((. » OS_FSControl 56 h2. OS_ FSControl 56 h5. (SWI &29) |_<^{width:4em}. Entry | | |<^. R0 |<^. 56 (&38) | |<^. R1 |<^. Pointer to name of object | |<^. R2 |<^. Pointer to buffer | |<^. R3 |<^. Length of buffer | |_<^{width:4em}. Exit | | |<^. R0|<^. Preserved| |<^. R1|<^. Number of defects placed in the buffer | h4. Use The purpose of this call is to read the defects list for a large disc. h4. Notes The buffer consists of 64 bit values (LSW first). If an error is returned try [[OS_FSControl 41]] which is used to return information for smaller discs. h4. See also * [[OS_FSControl]] * [[OS_FSControl 41]]