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Atari coding BBS
| Shadebobs wth STE blitter? |
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Posted by: defjam
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Mar,28.2016-21:10
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I'm curious if shadebobs can be done with the STE blitter, or even have been done.
My guess is, it's not possible because of the data-dependencies,
the layout for shadebobs is this:
Plane[X]' = Plane[X] xor DataIn
DataIn' = Plane[X] and DataIn
X 0...3
DataIn is initialised with the 1bpp 16 pix spritedata.
The function is iterative starting with plane0(X=0) till plane3(X=3)
Any ideas?
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