Brian McCloud dec¡a a Daniel Moreno...
  BM>> a GetPixel routine in EGA??  That takes either 4 or 16 reads, 
epending
  BM>> on how you do it...  I suppose you might be able to take advantage of
  BM>> the EGA card to do special image mapping routines... maybe you could
  BM>> show me some examples of this "optimized" 16-color graphics.
  DM>> Some effects are simply imposible in modes other than 16-color.
  BM> Really??  Can you give me some SPECIFIC examples?
  Some time ago I wrote a little intro. There were a background (using only
  2 colors for "technical" reasons ;)  And there were some BIG letters flying
  by te screen. There were 3 "sets" of this letterls moving at the same time.
  Ones were red, others green and others blue (yes, very typical, i know) and
  they intersected betwen them giving yellow in the intersections betwen red
  and green letters, cyan when green and blue and so on... I did this by 
sing
  bitplanes and the correct palete. I also used a hardware scrolling to move
  all the screen. Ah! And one note more: I did it in 640x480-16c. ;)
  This can be done in 256 colors, yes, but it will requiere a SVga card 
instead
  of a VGA and it would be much much slower. (Not being possible a nice 
ffect
  in the 486 i had at this time)
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