Re[2]: [cc65] Graphics library

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From: groepaz (
Date: 2001-08-26 15:02:54

Hello Ullrich,

Sunday, August 26, 2001, 2:19:05 PM, you wrote:

UvB> On Sun, Aug 26, 2001 at 10:25:31AM +0200, daniel pralle wrote:
>> > Are there really systems that have a programmable color palette? At least the
>> > CBM machines have fixed colors.
>> Of course there are!
>> The atari for example has ( like the C64) a 160*200*4 mode, where you can
>> choose 4 out of 128 colors.

UvB> You are right, even the CBMs have this (stupid me). The 160*200*4 mode on the
UvB> C64 allows to choose the four colors from a palette of 16.

UvB> So yes, functions to manipulate the palette are definitely needed.

wait.... i think there are TWO different things then (i thought of the
other all the time actually :D) that should be considered....

a) there are MAXPALCOL colors in a palette which can be choosed from a
total of MAXCOL colors. (4 of 16 colors for c64-multicolor or 2 of 16
colors for c64 hires)

b) (this only applies for systems that dont have fixed COLORS) there
is a color-palette of MAXPALCOL colors and each color can be specified
by whatever parameters (R-G-B values possibly) .... the gameboy color
works that way (uhm-totally offtopic eh? ,=)) .... and i think i have
seen this somewhere on atari(???) aswell.

Best regards,

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