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- Path: informatik.tu-muenchen.de!fischerj
- From: fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer)
- Newsgroups: comp.sys.amiga.programmer,comp.sys.amiga.games
- Subject: Re: AB3D II beats Quake....
- Followup-To: comp.sys.amiga.programmer,comp.sys.amiga.games
- Date: 21 Apr 1996 15:22:02 GMT
- Organization: Technische Universitaet Muenchen, Germany
- Distribution: world
- Message-ID: <4ldjqq$q1v@sunsystem5.informatik.tu-muenchen.de>
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-
- Paul Dossett (astroboy@netspace.net.au) wrote:
- : Juergen "Rally" Fischer (fischerj@informatik.tu-muenchen.de) said:
-
- : >the topic is tmap games afaik, and the copper tricks you talk about are
- : >a) obsolete b) were done to build a 12bit "true"color mode with easy
- : >16bit word acess ("chunky").
-
- : I was under the impression that Fabio was saying SVGA was useless for games,
- : full stop. In which case, I'm arguing that VGA-style chipsets can be used very
- : easily to write good games (both texture mapped, and scrolling).
-
- for those copper-splitscreen-paralax games you need
- a copper + slow chpmem doesn't matter + slow cpu doesn't matter
- or, as yo usaid
- a fast cpu + a local bus or PCI
-
- : >I got the impression you think both copper and SVGA chips were used for
- : >texture mapping. They aren't, the cpu alone is to map and the gfx-system
- : >is to provide a fast bus for simply copying the screenbuffer.
-
- : No, I thought exactly what you just wrote. I said coders used the copper to get
- : around speed restrictions - that's what it does.
-
- I'd rather say the copper is very tricky for 2d games.
- you could say "workaround" if you say you need 66MHz + PCI for
- games like turrican which runs well on '85 7MHz hardware :->
-
- : >On a Amiga with gfx-card this is done with writepixelarray8() of gfxlib.
- : Yeppo - pretty complex.. :)
- ?
-
- : >No "copper hacking", no "slow API games".
-
- : So somebody hurry up and get a standardised library out to help with this...
-
- use a c2p routine on chipset and call writepixelarray8 on gfx-cards is
- imho good way to go.
-
- : Paul Dossett | EpiphoneYamahaPearlPaiste | Amiga 2000/040/17/365/ZIP/3.1__
- ------------------------------------------------------------------------
- fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer) =:)
-
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