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OS_Byte 178
Programmer's Reference Manuals
» Part 15 – SWI Calls
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» OS_Byte 178
OS_Byte 178
(SWI &06)
| Entry | |
|---|---|
| R0 | 178 (&B2) |
| R1 | EOR value |
| R2 | AND value |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Value before being overwritten |
| R2 | Corrupted |
Use
The purpose of this call is to read or write the keyboard semaphore.
Notes
This call is now deprecated, and should not be used.