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H/V Count Timer: Difference between revisions
From SnesLab
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The desired vertical position should be written to VTIMEL and VTIMEH. | The desired vertical position should be written to VTIMEL and VTIMEH. | ||
[[ | === See Also === | ||
* [[H/V Counter Latch]] | |||
=== Reference === | === Reference === | ||
* [https://archive.org/details/SNESDevManual/book1/page/n82 page 2-16-1] of the official Super Nintendo development manual | * [https://archive.org/details/SNESDevManual/book1/page/n82 page 2-16-1] of the official Super Nintendo development manual | ||
[[Category:Video]] | |||
Revision as of 16:52, 15 July 2023
The H/V Count Timer can be programmed to generate an IRQ when the CRT's raster beam reaches a particular position.
The desired horizontal position should be written to HTIMEL and HTIMEH.
The desired vertical position should be written to VTIMEL and VTIMEH.
See Also
Reference
- page 2-16-1 of the official Super Nintendo development manual