Portable_Control (changes)
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Portable
» SWI Calls
» Portable_Control
Portable_Control
(SWI &42FC1)
| Entry | |
|---|---|
| R0 | EOR mask |
| R1 | AND mask |
| Exit | |
|---|---|
| R0 | Old control value |
| R1 | New control value |
Use
The purpose of this call is to control the power settings and features.
Notes
New value = (old value AND R2) R1) EOR R1 R0
See also
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