Event 4 (changes)

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Programmer's Reference Manuals

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» Event 4Event Numbers

VSync event

Use

This event is raised when the electron beam reaches the bottom of the display area and is about to start displaying border colour. This corresponds to the time that OS_Byte 19 returns. The frequency of this event depends on the scan rate of the monitor.

If you wish to synchronise music, you should probably use TickerV vector rather than this event.

See also

• Event Numbers
• Events Introduction
• OS_Byte 19
• TickerV