h6. [[OS SWI Calls]] h6(. » [[OS_File]] h6((. » OS_File 9 h2. OS_ File 9 h5. (SWI &08) |_<^{width:3em}. Entry | | |<^. R0 |<^. 9 (reason code) | |<^. R1 |<^. Pointer to object name | |_<^{width:3em}. Exit | | |\2<^. All registers preserved | h4. Use The purpose of this call is to write the date/time stamp information for a named object to the current date/time. h4. Notes The date/time stamp is stored using two 32-bit fields that would otherwise store the load address and execution address for a file. Information on how the date/time stamp is stored is available "here":linkdate The file type is set to @FFD if not already. There are several different reason codes that can be used to write various catalogue information using the [[OS_File]] call. h4. See also * "Date Time Stamp":linkdate * [[OS_File]] * [[OS_File 1]] * [[OS_File 2]] * [[OS_File 3]] * [[OS_File 4]] * [[OS_File 18]] [linkload]FileSwitch%20Key%20Features#load_execution [linkexecution]FileSwitch%20Key%20Features#load_execution [linkattributes]FileSwitch%20Key%20Features#file_attributes [linkdate]FileSwitch%20Key%20Features#date_stamp