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Article #898Re: BBC micro
From: J.G.... Jon Hall
Date: Tue, 16 Jan 1990 16:46
Date: Tue, 16 Jan 1990 16:46
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In article <14...@baird.cs.strath.ac.uk> jle...@cs.strath.ac.uk writes: > >And, of course, the manual claimed that anything you typed in >at the keyboard could not possibly damage the hardware. This was >not true. The machine had a cassette port with remote control >to switch the motor on and off which utilised a reed relay, >so if one was to type the short program > > 10 *MOTOR1:*MOTOR0:GOTO10 > >nasty things would ensue. > Also on the beeb, removing the system ROM, and looking at it in an EPROM programmer, say, revealed a list of credits for people involved in the construction etc. You could not read this insitu as it was under memory mapped devices, and the ROM was disabled when the devices were active. jon -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- = = - yet to get a .signature file - = = -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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mbox-mo1.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!mcsun!ukc!newcastle.ac.uk!turing!jghReferences:
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Path: mbox-mo1.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!mcsun!ukc!newcastle.ac.uk!turing!jgh From: J.G....@newcastle.ac.uk (Jon Hall) Newsgroups: alt.folklore.computers Subject: Re: BBC micro Message-ID: <1990Jan16.164646.14490@newcastle.ac.uk> Date: 16 Jan 90 16:46:46 GMT References: <wZfVc0200WB68G8m1a@andrew.cmu.edu> <1499@baird.cs.strath.ac.uk> Sender: ne...@newcastle.ac.uk Organization: Computing Laboratory, U of Newcastle upon Tyne, UK NE17RU Lines: 26 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit