Date   : Mon, 11 Aug 1997 10:59:00 +0200
From   : Robert Schmidt <rsc@...>
Subject: Re: Can you help with FRED?

Matthew Burke wrote:
> 
> Hi,
> 
> I've just come across your web site - very nice...  I wonder if you
> could
> help me.
> 
> I don't know if you've been following the recent thread in
> comp.sys.acorn.programmerbut I'm currently hacking the Electron T2P3
> ROM to
> work under !Host65.  On startup, T2P3 will access the drive but then
> report
> that the disk is empty regardless of what's on it.
> 
> After further examination, the ROM uses FRED (&FCC0, 4-7).  There is
> nothing
> about these in the Advanced User Guide except that they're used for
> the
> floppy disk controller.  I've read the document on the 1770 from your
> site,
> but it only mentions SHEILA &FE8x addresses which according to the
> AUG,
> don't exist!
> 
> Also, I need to know about the &72 location in zero-page.  All I can
> gather
> is that it's something to do with interrupts...
> 
> I hope you can shed some light on the subject, or forward this mail
> onto
> someone who can.
> 
> Many thanks in advance,

I can't answer, but maybe someone on the BBC Micro mailing list can.
I have forwarded this mail to the list.

Replies should be sent to m.burke@...

--
Robert Schmidt <rsc@...       >
Software Developer / Vingmed Sound tel +47 67124237 fax +47 67124355
Private tel +47 22352293 WWW http://www.nvg.unit.no/~rsc

    jeg lukker et oye og ser halvt
    jeg  lukker begge  og ser  alt            -- seigmen