OS_Word 14_3 (changes)
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Programmer's OS Reference SWI Manuals Calls
» Part OS_Word 15 – SWI Calls
» OS OS_Word 14
» OS_Word 14,3OS_Word
» OS_Word 14
» OS_Word 14,3
OS_Word 14,3
(SWI &07)
| Entry | |
|---|---|
| R0 | 14 (&0E) |
| R1 | Pointer to 5-byte block, and containing: |
| +0 | 3 (reason code) |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Pointer to block containing: |
| +0 | Time (LSB) |
| +1 | … |
| +2 | … |
| +3 | … |
| +4 | Time (MSB) |
Use
The purpose of this call is to read the real-time, and return it in 5-byte format.
Notes
OS_Word 14,3 reads the time from the CMOS clock as a standard RISC OS 5 byte time block (centiseconds from 1900/01/01 00:00:00).
On RISC OS 2 the clock is assumed to be set to local time, later RISC OS assumes UTC.
See also
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