Date : Thu, 05 Feb 2004 08:26:53 +0000
From : jgh@... (Jonathan Graham Harston)
Subject: Re: IDE Interface for BBC
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
It's just that it doesn't do what the specs say it should do. I'm tempted
to put together the one-chip Spectrum IDE interface and check that my
brain isn't melting.
--
J.G.Harston (JGH BBC PD Library) 70 Camm Street, Walkley, SHEFFIELD S6 3TR
jgh@... - Running on BBCs & Masters with SJ MDFS FileServer
Z80+6502/CoPro+Tubes/Econet+SJ - - - - - - - http://www.mdfs.net/User/JGH/