OS_File 9 (changes)
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OS SWI Calls
» OS_File
» OS_File 9
OS_ File 9
(SWI &08)
| Entry | |
|---|---|
| R0 | 9 (reason code) |
| R1 | Pointer to |
| R2 | Load address (for date/time stamp) |
| R3 | Execution address (for date/time stamp) |
| Exit | |
|---|---|
| All registers preserved | |
Use
The purpose of this call is to write the date/time stamp information for a named object. object to the current date/time.
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
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.
See also
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