A fast and easily customised operating system
for ARM devices
OS_Byte 220
Programmer's Reference Manuals
» Part 15 – SWI Calls
» OS
» OS_Byte
» OS_Byte 220
OS_Byte 220
(SWI &06)
| Entry | |
|---|---|
| R0 | 220 (&DC) |
| 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 causes an escape condition when read from the input stream.
Notes
The default is 27 (generated by the escape key).