Date : Thu, 05 Feb 2004 18:54:26 +0000 (GMT)
From : Sprow <info@...>
Subject: Re: IDE Interface for BBC
In article <040205085502@...>,
Jonathan Graham Harston <jgh@...> wrote:
> Sprow <info@...> wrote:
> > Jonathan Graham Harston <jgh@...> wrote:
> > > Latest update...
> > > Well, it's still not working.
> >
> > Thank goodness me "Told you so" tshirt is back from the laundry (see my
> > reply with message id <4c71957ea1info@...>).
> >
> > > Any suggestions?
> >
> > Why not just generate the strobes which you require: the 1MHz bus has
> > everything you should need, RnW and a reference clock, infact this is
> > exactly how the disc interface on the main board does it - the 8271
> > being an Intel chip has Intel strobes,
>
> That's exactly what the interface does. Check the schematic at
> http://www.mdfs.net/Info/Comp/BBC/Hardware/IDE
I have, and it doesn't. Your read strobe is just RnW and your write strobe
is just nWR, neither are qualified by a clock - look at 8271 i/f,
Sprow.