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OS_Control
Programmer's Reference Manuals
» Part 15 – SWI Calls
» OS
» OS_Control
OS_Control
(SWI &0F)
| Entry | |
|---|---|
| R0 | Address of error handler, or 0 to read |
| R1 | Pointer to buffer for the error handler, or 0 to read |
| R2 | Address of escape state change handler, or 0 to read |
| R3 | Address of event handler, or 0 to read |
| Exit | |
|---|---|
| R0 | Previous error handler address |
| R1 | Previous buffer address |
| R2 | Previous escape routine address |
| R3 | Previous event handler address |
Use
The purpose of this call is to read or write address handlers.
Notes
This call is deprecated, and should not be used. OS_ChangeEnvironment should be used instead.