OS_Word 4 (changes)

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Programmer's OS Reference SWI Manuals Calls

» Part OS_Word 15 – SWI Calls

» OS_Word 4OS

OS_Word 4

(SWI &07)

Use

The purpose of this call is to write the interval timer.

Notes

On exit, the buffer contains five byte interval timer, with LSB first.

The timer is incremented 100 times a second, and generates a interval timer event (event number 5) when it reaches 0. (You must enable the event with OS_Byte 14).

To generate repeating events you would have to reload the timer on each event. The timer is obsolescent – use OS_CallAfter or OS_CallEvery instead.

To read the interval timer, use OS_Word 3.

See also

• Interval Timer Event
• OS_Byte 14
• OS_CallAfter
• OS_CallEvery
• OS_Word
• OS_Word 3