Hi Rob,

> > I'd prefer emulating a real network i/f podule since that would
> > support other OS better, e.g. NetBSD.
> > 
> >     http://www.netbsd.org/Ports/acorn26/
> > 
> > I think it would be nice for arcem to continue to support
> > Linux/ARM26 and NetBSD would be nice to add.
> > 
> > However, I thought in the past that a RISC OS module presenting a
> > DCI4 interface may be easier and have a copy of
> > 
> >     DCI-4 Functional Specification
> >     Drawing Number: 0284,036/FS
> >     25 Jul 2000 Issue 4
> 
> It rather seems that you're suggesting we do something in the
> hideously complex way, rather than the nice simple way.  The only
> advantage of the complex way is that it lets you do something very
> nearly completely pointless.

I'm stating a preference.  You may think it's hideous, but someone may
like to work on emulating a bit of hardware than writing a RO module.
Each to their own.

> (Daniel Silverstone looked into emulating an Ether1 such that RISC iX
> could also work, but the Ether1 is strange and odd, and doesn't behave
> in any way like the datasheet for the chipset on it suggests - there's
> loads of magic logic around it that isn't documented.)

There are other network podules out there supported by non-RO OS.

> I personally favour the DCI4 driver method, and I have looked into
> this a little.  Having the Castle driver available to examine is quite
> nice on this front.

I see the benefits of a DCI-4 method;  that's why I got hold of the
spec.  There's no reason both can't exist within arcem.

Cheers,


Ralph.




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