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- Path: sparky!uunet!gatech!ukma!cs.widener.edu!dsinc!bagate!cbmvax!spence
- From: spence@cbmvax.commodore.com (Spencer Shanson)
- Newsgroups: comp.sys.amiga.graphics
- Subject: Re: Problem with No New Copper in A4000
- Message-ID: <35144@cbmvax.commodore.com>
- Date: 15 Sep 92 22:03:11 GMT
- Organization: Commodore, West Chester, PA
- Lines: 30
-
- 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
-
- Marc, the inter screen gap is really no big deal - it doesn't look too bad. But
- then, you wouldn't know that, would you? You are preaching as gospel about a
- machine you have not yet even seen.
-
- In fact, we had a simple solution to the extra lines in the inter screen gap,
- but we felt it would be too much work for very little gain. In other words, it
- wasn't worth it.
-
- >---
- >| Marc Barrett -MB- | email: barrett@iastate.edu
- >--------------------------------------------------
-
-
- --
- ---------------------------------------------------------------------------
- Spencer Shanson - Amiga Software Engineer | email: spence@commodore.COM
- | or uunet!cbmvax!spence
- All opinions expressed are my own, and do not | Bix: sshanson
- (necessarily) represent those of Commodore. | "Copper? I hardly even
- | know her!"
-