OS_Byte 229 (changes)
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Programmer's OS Reference SWI Manuals Calls
» Part OS_Byte 15 – SWI Calls
» OS_Byte 229OS
» OS_Byte
» OS_Byte 229
OS_Byte 229
(SWI &06)
| Entry | |
|---|---|
| R0 | 229 (&E5) |
| R1 | EOR value |
| R2 | AND value |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | State before being overwritten |
| R2 | Escape effects (see OS_Byte 230) |
Use
The purpose of this call is to enable or disable the generation of escape conditions, and to read the current setting.
Notes
Escape conditions may be caused by pressing the current escape character or by inserting it into the input buffer with OS_Byte 153.
If the value in R1 passed is zero, which is the default, then escape conditions are enabled. Any non-zero value will disable them. When they’re disabled, the current escape character set by OS_Byte 220 will pass through the input stream unaltered.
See also
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