Atari coding BBS
|Shadebobs wth STE blitter?|
Posted by: defjam
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
DataIn is initialised with the 1bpp 16 pix spritedata.
The function is iterative starting with plane0(X=0) till plane3(X=3)
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