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- From: slbfn@cc.usu.edu
- Newsgroups: comp.sys.amiga.graphics
- Subject: Re: Problem with No New Copper in A4000
- Message-ID: <1992Sep15.025752.58882@cc.usu.edu>
- Date: 15 Sep 92 02:57:52 MDT
- References: <1992Sep15.023838.16397@news.iastate.edu>
- Followup-To: comp.sys.amiga.graphics
- Organization: Utah State University
- Lines: 26
-
- In article <1992Sep15.023838.16397@news.iastate.edu>, barrett@iastate.edu (Marc N Barrett) writes:
- >
- > There is one thing about the AGA chipset that I've forgotten to mention.
- > This is the drawbacks to the lack of improvements to the copper. In the
- > ECS, the copper requires 2 scanlines to update the palette registers between
- > pull-down screens. The AGA Lisa chip now has many more palette registers,
- > but the copper has not been updates accordingly. The result is bigger
- > blank space between pull-down screens on the AGA chipset. A total of 11
- > scanlines of space, in fact. Thus, you can write off enhanced equivelents
- > to the Dynamic HiRes or SHAM modes for the AGA chipset.
- >
- > ---
- > | Marc Barrett -MB- | email: barrett@iastate.edu
- > --------------------------------------------------
-
- Tell me, why the hell would you need Dynamic modes when you have HAM8 in
- all resolutions?
-
- Sure, HAM results in artifacts, but at higher resolutions these would be
- almost undetectable.
-
- Greetings,
-
- Travis Carter
- slbfn@cc.usu.edu
-
-