Path: utzoo!news-server.csri.toronto.edu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!rpi!uupsi!sunic!isgate!krafla!kvj
From: kvj@rhi.hi.is (Kristjan Valur Jonsson)
Newsgroups: comp.sys.acorn
Subject: Re: BBC keyboards - forwarding a posting
Message-ID: <2900@krafla.rhi.hi.is>
Date: 14 Mar 91 11:15:33 GMT
References: <vanaards.668436483@p4.cs.man.ac.uk>
Organization: University of Iceland
Lines: 22

In <vanaards.668436483@p4.cs.man.ac.uk> vanaards@p4.cs.man.ac.uk (Steven van Aardt) writes:


>  PLEASE DON'T REPLY TO ME - I'M  ONLY  FORWARDING  THIS  MESSAGE

>I don't know whether this is related at all, but with my old BBC B (and
>apparently all other BBC Bs), if you type "G.0:G.0:G.0: ..." until the
>buffer fills up, and then press return (assuming you don't have a program
>in memory) Then the computer crashes, and makes strange non-terminating
>sounds and puts occasional characters onto the screen.

>This might be linked to your problem, but I don't know. You might like to
>send this tidbit to the bulletin board (I can't) just for the interest of
>BBC B users.

This is an old brainteaser from the good old BBC days.
Now, why should the micro do this?
The reason is that when all the G.0: 's are expanded into GOTO0: 's, the input
buffer overflows into other buffers down in the OS's workspace (below &E00),
and mainly into the sound buffer.

Kristjan