OS_Byte 191 (changes)
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Programmer's OS Reference SWI Manuals Calls
» Part OS_Byte 15 – SWI Calls
» OS_Byte 191OS
» OS_Byte
» OS_Byte 191
OS_Byte 191
(SWI &06)
| Entry | |
|---|---|
| R0 | 191 (&BF) |
| R1 | EOR value |
| R2 | AND value |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Value before being overwritten |
| R2 | See serial state (see OS_Byte 192) |
Use
The purpose of this call is to read or write the serial busy flag.
Notes
The use of this call is deprecated.
See also
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