h6. [[Programmer's Reference Manuals]] h6(. » [[Service Calls]] h6((. » Service_ValidateAddress h2. Service_ValidateAddress h5. (Service &6D) |_<^{width:4em}. Entry | | |<^. R1 |<^. 109 (&6D)| |<^. R2 |<^. R0 as passed to [[OS_ValidateAddress]]| |<^. R3 |<^. R1 as passed to [[OS_ValidateAddress]]| |_<^{width:4em}. Exit | | |<^. R1 |<^. 0 to indicate area is valid, else &6D to pass on| |<^. R2 |<^. Preserved ?| |<^. R3 |<^. Preserved ?| h4. Use This service is issued when OS_ValidateAddress encounters an unrecognised area. h4. Notes It is not called for areas which should be mapped. h4. See also * [[OS_ValidateAddress]] * [[Service Calls]] [link3]SWI+Error+Block