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Post by gsteemso on Oct 31, 2023 11:57:12 GMT
Tokra, you are entirely correct regarding the hyperbolic colour counts. I was talking about what appear to be screen shots earlier in the thread. Two different claims arose during the discussion - (1) You can get some improbable number of artefact colours (not, of course, real colours) using VDC tricks, and (2), a black-and-white CGA signal flattened into a composite video feed can be made to look colorful by clever arrangement of pixels. It _sounds_ like that last one is not possible on a 128 because the colour subcarrier is not present, but it's unclear whether anyone's actually tried it; and as to the first claim, there were a lot of screen shots, but it's not at all clear whether any of them actually show a 128 at work or if they were merely illustrating the possibilities using examples from elsewhence.
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Post by tokra on Oct 31, 2023 12:24:44 GMT
oziphantom's pictures should be from the real thing. He talks about "differing" (probably means "dithering") and interlace and that can in fact give the ILLUSION of more colors when in fact there are only the original 16. So, making use of these interlace- and dithering-colors is up to the graphic-artist pixeling or a converter that makes use of this effect.
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