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- Path: sparky!uunet!cbmvax!grr
- From: grr@cbmvax.commodore.com (George Robbins)
- Newsgroups: comp.sys.atari.st.tech
- Subject: Re: Falcon BUS..
- Message-ID: <37773@cbmvax.commodore.com>
- Date: 10 Dec 92 15:13:30 GMT
- References: <A46299@HB.maus.de> <A43524@K.maus.de>
- Reply-To: grr@cbmvax.commodore.com (George Robbins)
- Organization: Commodore, West Chester, PA
- Lines: 17
-
- In article <A43524@K.maus.de> Peter_Missel@k.maus.de (Peter Missel) writes:
- > w>>The 68030 shares the bus with the DMA devices.
- >
- > Now guess what? DMA means Direct Memory Access. Without sharing the bus, DMA
- > devices wouldn't be DMA devices!
-
- Hardly a given. The Blitter could be on either the Processor Bus (16-bit) or
- on the Video Bus (32-bit). Being on the video bus could allow considerably
- better performance.
-
- The original Atari blitter was on the processor bus and no one has said
- conclusively that this isn't still the case.
-
- --
- George Robbins - now working for, work: to be avoided at all costs...
- but no way officially representing: uucp: {uunet|pyramid|rutgers}!cbmvax!grr
- Commodore, Engineering Department domain: grr@cbmvax.commodore.com
-