Re: Apple IIgs video modes?

[carl@busop.cit.wayne.edu (carl@busop.cit.wayne.edu)]

>The trick for the 3200-color screen modes is, that the program displaying
>those pictures changes palettes on the fly, i.e. while the electron beam
>moves from one scan line to the next. Since you have 200 scan lines with
>16 hues each you get 16x200=3200 which stands for very realistic pictures
>if the palettes are chosen carefully. The disadvantage is, that a un-
>accelerated GSes are kept busy almost only to switch palettes.
>
>Huh, that was a long one. I hope it was clear enough...

-
Carl Mueller
Wayne State University
email: carl@busop.cit.wayne.edu