Date : Mon, 11 Aug 1997 10:59:00 +0200
From : Robert Schmidt <rsc@...>
Subject: Re: Can you help with FRED?
Matthew Burke wrote:
> I've just come across your web site - very nice... I wonder if you
> 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
> that the disk is empty regardless of what's on it.
> After further examination, the ROM uses FRED (&FCC0, 4-7). There is
> about these in the Advanced User Guide except that they're used for
> floppy disk controller. I've read the document on the 1770 from your
> but it only mentions SHEILA &FE8x addresses which according to the
> don't exist!
> Also, I need to know about the &72 location in zero-page. All I can
> is that it's something to do with interrupts...
> I hope you can shed some light on the subject, or forward this mail
> 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