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From: cc1@locus.ucla.edu (UCLA Computer Club)
Newsgroups: net.micro.amiga
Subject: Question on user copper lists
Message-ID: <1552@curly.ucla-cs.ARPA>
Date: Wed, 17-Sep-86 01:20:20 EDT
Article-I.D.: curly.1552
Posted: Wed Sep 17 01:20:20 1986
Date-Received: Fri, 19-Sep-86 23:10:24 EDT
Reply-To: cc1@LOCUS.UCLA.EDU (UCLA Computer Club)
Distribution: net
Organization: UCLA Computer Science Department
Lines: 26
Summary: Must they be pre-sorted?

Must user copper lists be sorted when given? I.e. Can I say:
move to mid screen 
make these changes
move to top screen
make more changes
move to bottom
make changes
move to middle
make changes

end

and expect the system to sort this into 'move top, move middle, move bottom'
for me? 

Also, how long do copper instructions take to execute? Specifically, can I
reset the position, source, and color of a sprite while another sprite is
being displayed? And how accurate is the CMOVE (in low res).

Finally, before I get into trouble trying it, is there a reason (other than
simplicity) that the anamation routines will not re-use sprites until the
entire sprite is displayed (limiting to 8 per line, instead of un-limited)
or that the color changes take 2 lines between v-ports to do? (i.e. Is there
time?)
      Views expressed here may not be those of the Computer Club, UCLA, or
  anyone in their left OR right mind.  And that's the name o' that tune.