Mail Archives: djgpp/1997/10/18/16:31:37
On Fri, 17 Oct 1997 04:52:02 GMT in comp.os.msdos.djgpp John Patton
(gimli21 AT hotmail DOT com) wrote:
: Can't you create a palette containing 256 shades of grey and set the
: palette with allegro's set pallete function? I haven't tried, but I
: believe this should work.
: i.e., a palette consisting of values like:
: and then set it. I believe the 6 bits per color is only applicable when
: converting a palette value to it's equivalent DAC register value. I may
: not have the details right, but I believe the DAC is limited to a 6-bit
: digital to analog conversion per color(2^6 = 64).
Yes, but Allegro uses DAC format, i.e. all colour strengths go from 0 to
63. This is why the original poster had a problem.
George Foot <mert0407 AT sable DOT ox DOT ac DOT uk>
Merton College, Oxford
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