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Subject: Re: New doscmd available for testing/munching
To: pialkin@abel.pdmi.ras.ru (Alexey Pialkin)
Date: Fri, 20 Sep 1996 10:51:16 +0200 (MET DST)
Cc: j_mini@efn.org, sos@freebsd.org, msmith@atrad.adelaide.edu.au,
        emulation@freebsd.org
In-Reply-To: <199609200844.MAA17020@abel.pdmi.ras.ru> from "Alexey Pialkin" at Sep 20, 96 12:44:29 pm
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In reply to Alexey Pialkin who wrote:
> 
> > > > And anyone who is familiar with the issues involved in mmap()ing screen
> > > > memory is asked to contact Alexy Pialkin (pialkin@abel.pdmi.ras.ru) to
> > > > provide some advice for proper vt save/restore operation in raw console
> > > > mode.
> > 
> > ssend email to gurney_j@efn.org.... he's created a "bob" program fir 
> > FreeBSD that mmap's the video memory and does a few nifty video effects 
> > in 320x200x256 mode. 
> 
> The problem is not with just screen mapping for drawing something(open 
> screen memory for drawing is simple just mmap some part of /dev/mem & viola ...)
> My problem is that i am unabl to properly map some shadow screen for 0xA0000-0xB0000 address.... It's highly needable for programs working with screen background..

Hmm, I'm not sure we can do that, try ask John Dyson about that, he
is out "mastermind" in vm stuff...

>  I hope the libdtk will help me..
> 
> Alexey Pialkin
> 
> 


-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Soren Schmidt             (sos@FreeBSD.org)             FreeBSD Core Team
               So much code to hack -- so little time.