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From: peter@sugar.UUCP (Peter da Silva)
Newsgroups: comp.sys.amiga
Subject: Re: Double Buffering
Message-ID: <1038@sugar.UUCP>
Date: Sun, 8-Nov-87 16:20:38 EST
Article-I.D.: sugar.1038
Posted: Sun Nov  8 16:20:38 1987
Date-Received: Tue, 10-Nov-87 05:21:31 EST
References: <7768@steinmetz.steinmetz.UUCP>
Organization: Sugar Land UNIX - Houston, TX
Lines: 13
Keywords: double buffering, vertical retrace, screens
Summary: An easier way.

In article <7768@steinmetz.steinmetz.UUCP>, guilford@sunbird.steinmetz (james d guilford) writes:
> I am planning to write some animation-type software, and so  I looked
> up double buffering in the RKM. It suggested that I create two screens
> and two sets of copper lists, and then to flip screens, I just replace
> the copper list pointers.

Why don't you just set up two screens and use ScreenToFront and ScreenToBack
to flip them? These routines are (as far as I have been able to tell) as near
instantanious as you can get. Let intuition worry about the copper lists.
That's what it's for, after all.
-- 
-- Peter da Silva  `-_-'  ...!hoptoad!academ!uhnix1!sugar!peter
-- Disclaimer: These U aren't mere opinions... these are *values*.