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From: grr@cbmvax.cbm.UUCP (George Robbins)
Newsgroups: comp.sys.amiga
Subject: Re: Overscan graphics
Message-ID: <1777@cbmvax.cbmvax.cbm.UUCP>
Date: Tue, 28-Apr-87 01:28:55 EDT
Article-I.D.: cbmvax.1777
Posted: Tue Apr 28 01:28:55 1987
Date-Received: Wed, 29-Apr-87 05:09:25 EDT
References: <1987Apr8.095315.28822@sq.uucp> <136UD118191@NDSUVM1>
Reply-To: grr@cbmvax.UUCP (George Robbins)
Organization: Commodore Technology, West Chester, PA
Lines: 17

In article <136UD118191@NDSUVM1> UD118191@NDSUVM1.BITNET writes:
>What Hobie says is true...more and more future graphics programs will have to
>be written for the Overscan or "FullVideo" mode on the Amiga. This is very
>very necessary, especially since quite a few people use their Amigas for
>desktop video, and to make things professional, it is imparative that the
>overscan mode is adopted in future graphics programs to make the picture as
>close to broadcast quality as possible.

Yes, yes, *BUT* remember overscan is a the expense of sprites!  Those extra
video fetches have to come from somewhere.  As you use more pixels, the
higher numbered sprites will be preempted, and unless disabled, funny video
smearing will result.

-- 
George Robbins - now working for,	uucp: {ihnp4|seismo|rutgers}!cbmvax!grr
but no way officially representing	arpa: cbmvax!grr@seismo.css.GOV
Commodore, Engineering Department	fone: 215-431-9255 (only by moonlite)