Entry | |
---|---|
R1 | Pointer to filename |
Exit | |
---|---|
R0 | flag word: |
bit 0 set >= file is held in memory (can be accessed directly) | |
bit 1 – 31 reserved (you can safely ignore them) | |
R2 | Size of buffer required to hold file |
This SWI is used to provide information about a message file.
If the file is held in memory, and you require read-only access, you need not use a buffer to access it.