From: Steve Judd (sjudd_at_ffd2.com)
Date: 2004-11-01 01:43:12
Hey Hatch,
Want to know one of the more time-consuming operations in 3D graphics?
Clearing the screen. No matter how fast of a plotting algorithm I have,
it still takes at least 8*40*25*4=32000 cycles to clear a full screen --
about two frames. If you had a way to instantly clear out a section of
memory...
As to organization, vertical organization is preferred for any plotting.
That's why people use charmaps. That is, if you can simply ldy ycoord
then algorithms become simpler.
You can add bitplanes if you want, but they'll be useful mostly for static
graphics (or very small graphic areas). Forget chunky modes. The reason
is that you just can't push much data around at 1MHz.
The biggest problem you'll run into? Finding someone to program the
thing! But it sounds like a fun hardware project!
cu,
-Steve
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