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Originally Posted by mc6809e
You'll need to have the copper enter the list at a variable point, with each scanline having at least a move and a wait for the end of the line. The last instruction of the list should include the BPLxPT moves and a strobe to the top of the list.
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Hmm... that's a nice idea. I could write COPLC and then use COPJMP to jump into the list at variable points?
But as far as I understand, I still have to rewrite the VPOS-part of all the WAIT-instructions when scrolling vertically? The copper background should scroll vertically at half of the real scrolling speed.
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By waiting for the end of the line between instructions, you can avoid special waits like the wait for line $100.
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Yes, that would work!
But now I decided that I no longer want to change the color in each line (see above).