OS_NVMemory 6 (changes)
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Programmer's OS Reference SWI Manuals Calls
» Part OS_NVMemory 15 - SWI Calls
» OS_NVMemory 6OS
» OS_NVMemory
» OS_NVMemory 6
OS_NVMemory 6
(SWI &76)
| Entry | |
|---|---|
| R0 | 6 |
| R1 | NVRAM address |
| Exit | |
|---|---|
| R2 | Value |
| All other registers preserved |
Use
The purpose of this call is query what byte would be written by the OS when it applies its default values, for example when the NVRAM is cleared by the user holding down delete at power on.
A return value of -1 means the value is undetermined or not managed by RISC OS.
Notes
Introduced in RISC OS 5.19.
See also
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