Showing changes from revision #2 to #3:
Added | Removed | Changed
Entry | |
---|---|
R0 | 25, all flag bits reserved |
R1 | Controller number |
Exit | |
---|---|
R0 | Preserved |
R1 | Controller base physical address |
The purpose of this call is to check for the presence of a given controller and return its base physical address if present.
This call was created by RISCOS Ltd. to complement OS_Memory 9. The two calls use identical controller numbers. There is currently no support for this call under RISC OS 5.