OS_Byte 241 (changes)
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Programmer's OS Reference SWI Manuals Calls
» Part OS_Byte 15 – SWI Calls
» OS_Byte 241OS
» OS_Byte
» OS_Byte 241
OS_Byte 241
(SWI &06)
| Entry | |
|---|---|
| R0 | 241 (&F1) |
| R1 | EOR value |
| R1 | AND value |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Value before being overwritten |
| R2 | Corrupted |
Use
The purpose of this call is to alter a location that is unused by the OS, which can be used to pass results between applications.
Notes
The location may also be written with OS_Byte 1. System variables now provide a much better way of passing results.
See also
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