Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!dsinc!bagate!cbmvax!cbmehq!cbmger!peterk From: peterk@cbmger.UUCP (Peter Kittel GERMANY) Newsgroups: comp.sys.amiga.hardware Subject: Re: Using the copper (was Re: 3d Graphics) Message-ID: <1042@cbmger.UUCP> Date: 2 Apr 91 17:46:09 GMT References: <12305@monu1.cc.monash.oz> <7183@harrier.ukc.ac.uk> Reply-To: peterk@cbmger.UUCP (Peter Kittel GERMANY) Organization: Commodore Bueromaschinen GmbH, West Germany Lines: 19 In article mykes@amiga0.SF-Bay.ORG (Mike Schwartz) writes: >In article <7183@harrier.ukc.ac.uk> mr3@ukc.ac.uk (M.Rizzo) writes: >> >>Why do you do this and what exactly do you put in your copper lists ? >>Can you or anyone else give me a few examples of what can be gained >>by generating one's own copper lists please ? >> >>Other than having two copper lists for double buffering, as >>shown in the RKM Libraries & Devices (Yep I'm still using the > >First of all, you don't need TWO copper lists to do double buffering. >All you need to do is change the plane pointers in a single copper list. And this is considered one of the big NO-NOs for system-friendly programs! Thou shalt not do this (sp?). -- Best regards, Dr. Peter Kittel // E-Mail to \\ Only my personal opinions... Commodore Frankfurt, Germany \X/ {uunet|pyramid|rutgers}!cbmvax!cbmger!peterk