kind of way to display gfx on amiga ?
hello guys,
i know that there is bobs and sprites, is there others ways to display characters, backgrounds on amiga ?? |
Tiles are quicker than Bobs.
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By "tiles" I mean a regular opaque blit.
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Transparency masked blits take twice as long as a straight copy because the blitter needs to read the mask for each bitplane separately.
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Maybe 'copper chunky' would count as displaying graphics that's not either.
Basically using multiple colours that you update in the copperlist on each line to show an image. Or for much lower resolution you could just update the same colour. For scrolling or animation you can use blitter to set the colours in the copperlist. |
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3 Attachment(s)
Copper Chunky example.
Pixels are.. hmm.. big :D http://eab.abime.net/attachment.php?...1&d=1571914259 http://eab.abime.net/attachment.php?...1&d=1571914259 EDIT: Download .gif version to see it 'in action'. Actually much better given that on Amiga it is 50fps and 12 bit RGB. This is not pure Copper COLOR00 effect (as said by chb) because use AGA colors bank switching and BPLs as CLUT indexer (as dodke pointed out), but the concept is that and is used with different variations in many demos. [just to clarify, this mode does not a software (CPU and/or Blitter) chunky2planar conversion, but use directly the Amiga hardware properties] |
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Blitter is practically unusable during "pixels" display. You need to restrict display window or use CPU and fastmem to do something decent. |
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