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Old 28 September 2019, 12:37   #1379
ross
Per aspera ad astra

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Join Date: Mar 2017
Location: Crossing the Rubicon
Age: 49
Posts: 2,189
Quote:
Originally Posted by mcgeezer View Post
So if I setup a screen buffer of 80 bytes wide by 180 pixels dept in 4 bitplanes, as scrolling moves horizontally I blit a tile per frame into the border, I could then copy the screen into the hardware sprites using 4 straight A->D blits.

And I've also used this technique in the past

However, remember how the sprites are structured in memory (horizontally interspersed bitplanes).
But blitter modulo is your friend.
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