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- Path: news.ifm.liu.se!lcs
- From: lcs@lysator.liu.se (Martin Blom)
- Newsgroups: comp.sys.amiga.programmer,comp.sys.amiga.games,alt.sys.amiga.demos,in,comp.sys.amiga.advocacy,comp.sys.amiga.hardware,comp.sys.amiga.misc,comp.sys.amiga.graphics
- Subject: Re: Possible loss of the Copper (was Re: AB3D II beats Quake....)
- Date: 19 Apr 1996 08:02:39 GMT
- Message-ID: <4l7hav$cvm@newsy.ifm.liu.se>
- References: <4iu7hb$utt@coranto.ucs.mun.ca> <2726.6661T189T1181@mbox.vol.it> <4jmkma$4s0@valour.pem.cam.ac.uk> <4jsj9c$i7q@sunsystem5.informatik.tu-muenchen.de> <DpBp8G.7qK@novice.uwaterloo.ca> <4km1bv$irf@sunsystem5.informatik.tu-muenchen.de> <4kom17$rg@hell.team17.com> <4kvsl1$2pk@is.bbsrc.ac.uk>
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- enger@arco7.cc.bbsrc.ac.uk (john enger) writes:
-
- >Stefan Boberg (boberg@team17.com) wrote:
- >: fischerj@Informatik.TU-Muenchen.DE (Juergen Fischer) wrote:
- >: >Darwin Ouyang (douyang@novice.uwaterloo.ca) wrote:
-
- >: >: <About virtual screens>
-
- >: >: And how does the Amiga "DO" this? Without the blitter?
-
- >: >No, with the copper. heard of it ? :)
-
- >: No it doesn't. It does use the copper to *load* the scroll
- >: registers, but how that is different (or better) than loading the
- >: (hold) scroll registers directly with the CPU, I don't know.
-
- >Because it frees the CPU for other things?
-
- Actually it does not, since the VBLANK interrupt occurs anyway.
-
- --
- +--------- Martin 'Leviticus' Blom ----------+ Commodore 128D
- | Linkoping Institute of Technology - Sweden | Amiga 4000/040
- +----------- lcs@lysator.liu.se -------------+
- http://www.lysator.liu.se/~lcs/
-