Subject: Re: The continuing saga of the 9500 and OF
To: paul beard <paulbeard@mac.com>
From: Bill Studenmund <wrstuden@netbsd.org>
List: port-macppc
Date: 12/19/2001 09:25:40
On Tue, 18 Dec 2001, paul beard wrote:
> well, I was content to leave this alone, but since you all are offering your
> help, I'll persevere.
>
> Thanks to some recent changes to the FAQ, I have verified that this ATI card
> does in fact grok open firmware. It does understand the word 'open' or so it
> claims.
Ah, so yes, it is OF compliant. :-)
> 0 > dev ATY,mach64@F ok
> 0 > words
> close restore draw-logo write open
> display-remove display-install read-rectangle fill-rectangle draw-rectangle
> color! get-colors set-colors
> ok
> 0 >
> so with that in mind, I set my output-device thusly. I could use pci1 instead
> of the bandit entry.
>
> output-device /bandit@F2000000/ATY,mach64@F ttya
>
> odd thing is I can't use dev to get to it with the @F appended. So I'll try
> one more time with that left off and see what happens. In every case, I get a
> pure white screen, so *something* is happening.
>
> (correction: I preceded the address with a slash: the @F is irrelevent, it
> turns out).
>
> Interesting: if I enter this command at the 0> prompt:
>
> 0 > " pci1/ATY,mach64" select-dev words .properties unselect-dev
>
> the screen wakes up. Further investigations had me inside the card's firmware
> with .properties . . . . incomprehensible but encouraging somehow.
>
> any idea on some way to put something on the screen to see if we can actually
> drive it?
>
> anything here I can use?
> 0 > words
> close restore draw-logo write open
> display-init
> display-remove display-install read-rectangle fill-rectangle draw-rectangle
> color@
> color! get-colors set-colors
No set-mode ? Oh well, that is how you change the video mode in most
cards.
Try (after you've open'd it):
" Hello" write
though I'm guessing.
Oh, display-init is a good one to run once.
Take care,
Bill