Re: Q: control is a C&T 65550?

[Daniel Jacobowitz <drow@false.org>]

On Tue, Jun 08, 1999 at 04:00:48PM +0200, Geert Uytterhoeven wrote:
> On Tue, 8 Jun 1999, Daniel Jacobowitz wrote:
> > On Tue, Jun 08, 1999 at 07:51:39AM -0400, Jason Y. Sproul wrote:
> > > Is it correct that the /chaos/control chip is essentially a Chips &
> > > Technologies 65550? If so, does anyone have the variances from the 65550
> > > datasheet, and if not, what the heck is it? :^)
> > 
> > It's my understanding that it's not.  No one has any documentation on
> > it to my knowledge... I'd love to add hardware cursor support, which
> > I'm fairly sure it has, to controlfb.  But I can't do it without some
> > sort of reference.
> 
> Move the cursor under MacOS and see which registers or video memory addresses
> change?

That's one of those if-i-had-more-time things - and more specifically,
if I knew how to dump video regs under macos.  Is it trivial?

Dan

/--------------------------------\  /--------------------------------\
|       Daniel Jacobowitz        |__|        SCS Class of 2002       |
|   Debian GNU/Linux Developer    __    Carnegie Mellon University   |
|         dan@debian.org         |  |       dmj+@andrew.cmu.edu      |
\--------------------------------/  \--------------------------------/

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