OS_Byte 219 (changes)
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Programmer's OS Reference SWI Manuals Calls
» Part OS_Byte 15 – SWI Calls
» OS_Byte 219OS
» OS_Byte
» OS_Byte 219
OS_Byte 219
(SWI &06)
| Entry | |
|---|---|
| R0 | 219 (&DB) |
| R1 | EOR value |
| R2 | AND value |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Previous value |
| R2 | Corrupted |
Use
The purpose of this call is to read or write the character that the tab key produces.
Notes
If 128 <= value <= 255 then the character inserted in the buffer is modified by shift and control:
| Key | Modification |
|---|---|
| Shift | Value EOR &10 |
| Control | Value EOR &20 |
See also
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