| Entry | |
|---|---|
| R0 | 42 (&2A) |
| R1 | Pointer to name of image (null terminated) |
| R2 | Byte offset of defect start |
| Exit | |
|---|---|
| All registers preserved | |
The purpose of this call is to map out a defect from an image.
To return a list of defects from an image, use OS_FSControl 41.
OS_FSControl 57 provides exactly the same functionality as this call, but supports 64 bits values, and thus can support larger discs.
Buy RISC OS Open merchandise here, including SD cards for Raspberry Pi and more.