Re: Color definition in grf_cv.c

[Ignatios Souvatzis <is%netbsd.org@localhost>]

On Thu, Apr 05, 2001 at 07:36:00PM +0100, Georges Heinesch wrote:
> Quoting J.O. Aho (05-Apr-01 10:02:15):
> 
> > On 5 Apr 2001, Georges Heinesch wrote:
> 
> >> e.g. 0x80, 0x00, 0x80 (R, G, B) is black.
> >>
> >> Does anybody know what the upper bit is used for?
> 
> > Hmmm... doesent ti just tell that your value is a hexadecimal (0x)
> > value.
> 
> Dunno what U mean ?!
> 
> Sure, it's hex, but why is 0x00 == 0x80?
> For me this can only mean that the most significant bit (or bits) are
> ignored or for other purpose.

check the chip docs if you can... I suspect that only six bits are valid!

Regards,
        -is