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Date   : Sun, 30 Oct 2005 00:24:42 +0100
From   : jgh@... (Jonathan Graham Harston)
Subject: Re: Copying from DFS to ADFS

"David Hunt" <dm.hunt@...> wrote:
> > I can imagine it might use the shadow memory if it was free, to reduce the
> > number of read-write cycles, but are you sure you were forced to use main
> > memory?
> 
> I'd suspect that it would use the remaining shadow RAM for the buffer during
> the swap, the 1K used in MODE 135 won't make much odds, however, the 20k
> used by MODE 128 would be significant.
 
*MOVE uses any spare shadow memory. If there is no spare shadow
memory (ie, in MODE 128, 129, 130), then it uses a &200-byte
buffer in Hazel. In never uses main memory.
 
-- 
J.G.Harston - jgh@...                - mdfs.net/User/JGH
Spectrum Emulators - http://mdfs.net/Apps/Emulators/Spectrum
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