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- Path: oreig.uji.es!ii202
- From: ii202@rossegat.uji.es (Jorge Acereda Macia)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: C2P
- Date: 15 Jan 1996 18:02:41 GMT
- Organization: Universitat Jaume I. Castell≤ de la Plana. Spain
- Distribution: world
- Message-ID: <4de4s1$kjj@oreig.uji.es>
- References: <38231876@kone.fipnet.fi> <4cuhbv$l14@oreig.uji.es> <38231974@kone.fipnet.fi>
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-
- Jyrki Saarinen (jsaarinen@kone.fipnet.fi) wrote:
-
- > > 20 ms? Using scrambled chunky buffer I get 320x200x8 in 25.7
- > > on 030@50 (slow :-( ). Well, I keep multitasking enabled using a 127
- > > TaskPri, so interrupts should suck the cache... But 20 ms. for
- > > 320x256... Could you give some hints?
-
- > I was just speculating. Copying a 320x256x8 data area from
- > fast to chip ram takes about 20ms. Now, if three c2p passes
- > could be done "free" on 030/50 and the last pass with
- > the blitter, it would be great.
-
- Using a scrambled buffer, I assume...
-
- > I dont think your systemfriendliness slows down..
- > Do you use the blitter?
-
- No blitter. 320x200 with CPU only, takes 25.7 ms, beeing the first two
- passes 5.something ms and the other two+writes to chip ram the other 20 ms.
- (030@50 times) It's pretty slow. I think three totally free passes are not
- possible on 030, but the times should not be more than 22 or 23 ms (?).
-
- So, how much would require the last pass with the blitter? Will we
- see full screen 25 fps doom on 030?
-
- Greets,
- Jorge Acereda (ii202@rossegat.uji.es)
-