> Say, it'd reduce any work and the graphic data by 50%
> and would even free lots of kernel cycles, when the data
> was fully reflected, right?
It would save graphic data by 75%, as you could mirror vertically, too.
Total cost would be 6 x 192 / 2 / 2 = 288 bytes for a full-screen tunnel
like the red one I posted earlier. Mirroring/flipping would work for the
tunnel effect, but not for the spiral effect, as that was not a symmetrical
playfield.
Cheers
A
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