From: utzoo!decvax!harpo!seismo!rocheste!lee Newsgroups: net.graphics Title: Re: Color Map Psuedo-Animation Response Summary Article-I.D.: rocheste.773 Posted: Wed Feb 23 14:16:42 1983 Received: Thu Feb 24 08:43:32 1983 References: brunix.1654 Actually, the real reason that you want to load the look-up table during retrace is to eliminate contention for the look-up table memory. We have a Grinnell 27 and it doesn't load at that time and so there is contention which shows up as snow on the image for brief periods. Very distracting if you are trying to do animation and are thus changing the table continuously. =lee (seismo or allegra)!rochester!lee