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- From: jonal@dhhalden.no (JON ARVID LOVSTAD)
- Subject: Re: Falcon BUS..
- Message-ID: <jonal.95.720952501@dhhalden.no>
- Lines: 64
- Sender: news@dhhalden.no (Network News User)
- Nntp-Posting-Host: pc153
- Organization: Ostfold College
- References: <mpnolan.720881057@unix1.tcd.ie> <27701@castle.ed.ac.uk>
- Date: Thu, 5 Nov 1992 08:35:02 GMT
-
- In article <27701@castle.ed.ac.uk> marks@castle.ed.ac.uk (Mark Steyn) writes:
- >Path: dhhalden.no!nuug!ugle.unit.no!sunic!psinntp!psinntp!uunet!mcsun!uknet!edcastle!marks
- >From: marks@castle.ed.ac.uk (Mark Steyn)
- >Newsgroups: comp.sys.atari.st.tech
- >Subject: Re: Falcon BUS..
- >Message-ID: <27701@castle.ed.ac.uk>
- >Date: 4 Nov 92 15:41:59 GMT
- >References: <mpnolan.720881057@unix1.tcd.ie>
- >Organization: Edinburgh University
- >Lines: 57
- >mpnolan@unix1.tcd.ie (Mark Patrick Nolan) writes:
- >
- >>I believe that Atari have at last got their act together...
- >
- >>Q: As the Falcon has (from what I've heard) one bus (32),
- >>how will the custom chips (DSP,DMA Sound,Blitter,H-Scrolling,..)
- >>interact, and will the system lose preformance as a result?
- >
- >This is true. I have been meaning to post something about this myself.
- >Basically graphically intensive operations will slow the processor down
- >considerably. This is also the situation on the Amiga. However, the
- >Amiga also has "fast" memory, which the processor cannot access. A
- >system with fast memory will have substantially improved performance.
- >If the Falcon has no provision for "fast" memory, then those Amiga
- >owners who claim that the A1200 is faster could well prove right :(
- >
- >The benchmarks posted to the Amiga groups indicated that an A1200 with
- >no fast memory was only about twice as fast as an A500. Before you
- >start smiling though, it still proved faster than an A3000 without fast
- >memory. A3000's with fast memory are *very* much faster.
- >
- >>Surely the DSP has it's own bus, as it does have 56k of it's own
- >>memory!?
- >
- >Hmm. Don't know much about the DSP. Anyone else care to comment.
-
-
- I think you're confusing RAM size with the name of the chip. It's a Motorola
- 56001 chip, or 56k short. It's got 96k of private static RAM and I think the
- bus is going in parallell to the CPU, with an own bus to the 96k of RAM, of
- course.
-
- Please correct me...
-
- > Mark
- >
- >>Please dont spare me on the technical info., I'd love to hear it
- >>(I'm sure I could understand it - I study Comp. Sci.)
- >
- >> Thanks, Mark Nolan
- >
- >--
- >? Look within the Hearts of mortal Men and see, ? Mark Steyn : ?
- >? The Hopes, Dreams and Wishes of a world, ? marks@castle.ed.ac.uk ?
- >? Guarded under Lock and Key. ? mpjs@dcs.ed.ac.uk ?
-
- Nomad
-
- Jon Lovstad | Sorry, but this part of my .sig file has been
- jonal@sofus.dhhalden.no | retconned by DeFalco...
- |
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- N-1784 HALDEN, NORWAY | OOOPS! He took the other part as well...
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