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- Path: informatik.tu-muenchen.de!fischerj
- From: fischerj@informatik.tu-muenchen.de (Juergen "Rally" Fischer)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: Amiga doesn`t need Pl
- Date: 15 Feb 1996 17:55:13 GMT
- Organization: Technische Universitaet Muenchen, Germany
- Distribution: world
- Message-ID: <4fvs21$nkl@sunsystem5.informatik.tu-muenchen.de>
- References: <john.hendrikx.4dzo@grafix.xs4all.nl>
- NNTP-Posting-Host: hphalle5.informatik.tu-muenchen.de
- Originator: fischerj@hphalle5.informatik.tu-muenchen.de
-
-
- In article <john.hendrikx.4dzo@grafix.xs4all.nl>, john.hendrikx@grafix.xs4all.nl (John Hendrikx) writes:
- |> In a message of 11 Feb 96 "jyrki Saarinen" wrote to All:
- |>
- |> >> The problem is ChipRAM yes, the 68060/50 should be able to handle DOOM at
- |> >> 30-40 FPS easily. Using a gfx-card would be quite a performance
- |> >> increase, that is if it is a memory mapped Zorro III card.
- |>
- |> jS> Why is that? Most of the work is done in FAST-ram anyway?
- |>
- |> Z-II is slow, so slow in fact that it is slower than accessing 32-bit ChipRAM
- |> of the A1200 (Z-II after all is a 16-bit bus). It will give a performance
- |> boost on slow machines with 16-bit ChipRAM, but the speed-limit would be the
- |> same as with 16-bit ChipRAM. In other words, if you have a 68040/25 then doing
- |> C2P to 16-bit ChipRAM, or copying it to the 16-bit gfx-card would be just as
- |> fast (well, that is if you use a LoRes 4 bitplane display...)
-
- So a Z-II user telling his clone is so quick because of using gfx-card is wrong...
-
- |>
- |> Z-III is much faster, and also has the advantage that they can be accessed
- |> directly much easier as they are usually not segmented.
- |>
- |> Grtz John
- |>
- |> -----------------------------------------------------------------------
- |> John.Hendrikx@grafix.xs4all.nl TextDemo/FastView/Etc... development
- |> -----------------------------------------------------------------------
- |> -- Via Xenolink 1.985B5, XenolinkUUCP 1.1
- ------------------------------------------------------------------------
- fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer) =:)
-
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