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OS_ServiceCall
Programmer's Reference Manuals
» Part 15 – SWI Calls
» OS
» OS_ServiceCall
OS_ServiceCall
(SWI &30)
| Entry | |
|---|---|
| R1 | Service number |
| All other registers dependent on reason code | |
| Exit | |
|---|---|
| R1 | 0 if service call was claimed |
| Other registers may be altered if the service was claimed | |
Use
The purpose of this call is to issue a service call to a module.
Notes
This call should be used in instead of OS_Byte 143, as it is now deprecated.