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Old 06 February 2016, 17:40   #69
mark_k
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Join Date: Aug 2004
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Posts: 2,481
But you can do it so Atari ST white (Amiga $777) maps to 24-bit $FCFCFC which is better than $EEEEEE. Instead of
vi *= 2;
do
vi = (vi + vi&7)*2;

(I guess that could alternatively be implemented in a GPU shader?)

By the way... what is the "resolution" of the BPLCON0 COLOR bit? The A1000 schematics I found online aren't very clear. If COLOR is 0 during the colour burst period of the scanline (i.e. between sync pulse start of active part of the line), then there being no colour burst, will a real NTSC monitor show the whole line as monochrome, even if COLOR is set to 1 at some point later in the scanline?

Last edited by mark_k; 06 February 2016 at 17:51.
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