Does anyone have any info on what the smudge bit on the blitter can be used for? I've heard it can be used as an indirect addressing mode for 1 to 4 pixel scaling but I can't see an application for it.
I think it takes the least significant 4 bits of each shifted word and the selects the half tone line for a logical AND with the source. I can't think of what I'd use that for. The Atari blitrer manual is a bit vague on this point.
I would love to see an explanation for it if anyone has a tutorial or some good docs
Thanks in advance,
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