OS_Memory 15 (changes)
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OS SWI Calls
» OS_Memory
» OS_Memory 15
OS_ Memory 15
(SWI &68)
| Entry | |
|---|---|
| R0 | 15 (&0F), all flag bits reserved |
| R1 | Reference key (assigned when claimed) |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Preserved |
Use
The purpose of this call is to free an area of IO memory previously mapped in at run-time.
Notes
The reference key is assigned when temporarily mapping in a region using OS_Memory 14 or OS_Memory 22.
See also
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