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- From: "Jyrki Saarinen" <jsaarinen@kone.fipnet.fi>
- Date: Thu, 18 Jan 96 07:15:09 UT
- Comments: Illegal date header - new date added by quicknews
- X-Original-Date: Wed, 17 Jan 96 22:15:15
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- Subject: Re: C2P
- Message-ID: <38232088@kone.fipnet.fi>
-
-
- > > 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...
-
- No. Three passes with the CPU and the last one with 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
- >áare not possible on 030, but the times should not be more than 22 or 23 ms
-
- Should be, because two passes are free on a 28MHz 020/030.
-
- > So, how much would require the last pass with the blitter? Will we
- > see full screen 25 fps doom on 030?
-
- Hmm. Propably about 40ms..
-
- -- _
- a Stellar programmer _ //
- "Amiga - back for the future" \X/
-