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Atari coding BBS
| Re: STE video registers |
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Posted by: ray
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May,05.2005-11:26
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hi there bod,
you are going to perform interlacing, did i get that right? - if so there's a much easier way (i.e. double up the scanline width by modifying $ffff820f.w) and adjust the video base by 160 bytes each second vbl.
otherwise the VAC ($ffff8205.w, 07.w, 09.w) registers aren't actually "meant" for implementing hardware scrolling, rather something like splitscreens, software line doubling or displacing single scalines as you mention and so on.
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What's the anti-troll code?
That's your personal code to be able to add comments and messages on the dhs.nu site.
Don't have a code or forgot it? Fix it here.
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