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Old 03 February 2020, 17:19   #21
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Join Date: Sep 2017
Location: USA
Posts: 87

Horizontal interrupts and vertical blank interrupts go way back:
[ Show youtube player ]

That uses 1 color register btw. You can see how having more (mentioned in the other postings) allowed expansion of this methodology.
Anyone who used dynamic hi-res will also remember that the image would not remain stable if the mouse was moved.
Ham-8 basically deprecated SHAM, but it's still very interesting.


Last edited by number6; 03 February 2020 at 17:41. Reason: added notes
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