Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site wdl1.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxn!ihnp4!qantel!hplabs!hpda!fortune!wdl1!jbn From: jbn@wdl1.UUCP Newsgroups: net.micro.pc Subject: Re: Graphics under Xenix - /dev/mem does Message-ID: <492@wdl1.UUCP> Date: Sat, 13-Jul-85 00:22:30 EDT Article-I.D.: wdl1.492 Posted: Sat Jul 13 00:22:30 1985 Date-Received: Wed, 17-Jul-85 06:33:55 EDT Sender: kimery@wdl1.UUCP Organization: Ford Aerospace, Western Development Laboratories Lines: 8 Nf-ID: #R:cornell:-303800:wdl1:5000014:000:300 Nf-From: wdl1!jbn Jul 12 18:57:00 1985 The trouble with this approach is that you still have to take all the overhead of a system call just to update the display. Try to do anything really interactive that way, and results will be hopelessly slow. Somebody needs to invent Display Memory Management Units. J. Nagle