Date   : Mon, 15 Nov 1999 11:03:05 +0000
From   : jgh@... (Jonathan Graham Harston)
Subject: Re: How do you autorun a program from ROM?

> On Sun, 7 Nov 1999, Chris Richardson wrote:
> > >Another tech question: is it possible to have a program on EPROM that
> > >runs as soon as you start the BBC (ie, just switch it on without having
> > >to enter any keyboard command)?
> > I assume he means a BASIC program.
 
Not neccessarily.  If the program is written as a sideways language rom,
then just placing it in a high numbered rom slot, or *CONFIG. LANG nn on
the Master, will enter it on Reset.
 
Dave Gilbert <gilbertd@...> wrote:
> Yes it is possible.  The trick is to use the ROM file system - once you
> have a file in the ROM filesystem and a !Boot in there you can (presuming
> you DON'T have a floppy interface) set the keyboard link to boot without
> shift held down.
>
> Without the disc interface it will boot from the ROMFS.  To be able to do
> this you need a ROMFS ROM image builder, Acorn User published one many,
> many moons ago - I haven't got a clue as to the issue number.
 
Temporarily stored at: http://mdfs.net/System/ROMs/SROM/ROMFiler
 
I have a version of this where you can make it force RFS selection on
Break, so it boots from RFS regardless of what other filing systems are
present.
 
-- 
J.G.Harston (JGH BBC PD Library) 70 Camm Street, Walkley, SHEFFIELD S6 3TR
jgh@...                - Running on BBCs & Masters with SJ MDFS FileServer
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