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- From: raist@rmece02.upr.clu.edu (Ricardo Hernandez)
- Subject: Re: Falcon BUS..
- Message-ID: <1992Nov11.203921.11068@rmece49.upr.clu.edu>
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- Organization: UPR-Mayaguez--ASEL Lab
- References: <mpnolan.720881057@unix1.tcd.ie> <721060362.188@minster.york.ac.uk>
- Date: Wed, 11 Nov 1992 20:39:21 GMT
- Lines: 22
-
- In article <721060362.188@minster.york.ac.uk>, mjl-b@minster.york.ac.uk writes:
- [stuff deleted]
-
- |> It has ever been the case that the CPU must stall when DMA is taking place.
- |> The DMA chip grabs the bus for a short time and does a block transfer (if I
- |> remember correctly, the block size is 16 words for the ST's DMA transfers --
- |> it may have changed for the TT / Falcon). During this time, the 68k
- |> has to wait until the bus is released.
-
- So the Falcon can't do any processing when a DMA is taking place?
-
- [more deleted]
- |> > Thanks, Mark Nolan
- |>
- |> Mat
- |>
- |> | Mathew Lodge | "I don't care how many times they go |
- |> | mjl-b@minster.york.ac.uk | up-tiddly-up-up. They're still gits." |
- |> | Langwith College, Uni of York, UK | -- Blackadder Goes Forth |
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- - Raist
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