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- Newsgroups: comp.sys.amiga.graphics
- Path: sparky!uunet!spool.mu.edu!caen!zaphod.mps.ohio-state.edu!darwin.sura.net!jhunix.hcf.jhu.edu!johnh
- From: johnh@jhunix.hcf.jhu.edu (John J Humpal)
- Subject: Re: Problem with No New Copper in A4000
- Message-ID: <1992Sep15.164623.3241@jhunix.hcf.jhu.edu>
- Organization: HAC - Johns Hopkins University, Baltimore
- References: <1992Sep15.023838.16397@news.iastate.edu>
- Date: Tue, 15 Sep 1992 16:46:23 GMT
- Lines: 20
-
- 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.
- ^^^^^^^ ^^^^^ ^^^^
-
- Yawn. Why would anyone with the AGA chipset even *want* to go
- and use those hacks?
-
-
- --
- -John
-
- John J. Humpal -- johnh@jhunix.hcf.jhu.edu -- short .sig, std. disclaimer
-
-