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- Path: bruce.cs.monash.edu.au!not-for-mail
- From: bmeyer@bruce.cs.monash.edu.au (Bernd Meyer)
- 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: 1 Apr 1996 04:35:58 GMT
- Organization: Computer Science, Monash University, Australia
- Distribution: world
- Message-ID: <4jnmfe$cj1@harbinger.cc.monash.edu.au>
- References: <4iu7hb$utt@coranto.ucs.mun.ca> <2726.6661T189T1181@mbox.vol.it> <4jmd7b$jdn@dole.uninett.no>
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-
- : Fabio Bizzetti (bizzetti@mbox.vol.it) wrote:
- : : You know how you can open a 1024*768 logical screen on Amiga, and scroll it on
- : : a 640*512 physical screen? 50 frames / sec scroll, with 0 CPU or AGA time.
- :
- : : On a SVGA the scroll would be 2 frames / sec, with 100% CPU and SVGA use.
- :
- *Grin* Then how do you explain the fact that my X-Server is running a
- 1400x1300 "logical" screen and is scrolling it over a 320x200, a 320x240,
- a 640x480, a 800x600 or a 1024x768 physical screen by just changing the
- (gasp) start of video memory address? With normally around 80 frames /sec
- scroll (I don't run with less than 80Hz vertical refresh ;-), and almost 0
- CPU time?
-
- Gawd, you should really get out into the real world more.
-
- Bernie
-
-