[A83] Re: Warming up


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[A83] Re: Warming up




Yes, that's it.

Michael Vincent
Detached Solutions - www.detacheds.com
Radical Software - www.radicalsoft.org
----- Original Message -----
From: "David Phillips" <david@acz.org>
To: <assembly-83@lists.ticalc.org>
Sent: Friday, February 15, 2002 7:12 PM
Subject: [A83] Re: Warming up


>
> You're probably thinking of the MC6800, with the Halt and Catch Fire (HCF)
> opcode:
>
> http://www.tuxedo.org/~esr/jargon/html/entry/HCF.html
>
> > On an early microprocessor (I think it might be the 6502 but I'm not
> sure),
> > there was an undocumented instruction that caused the microprocessor to
do
> > nothing but toggle all its address lines as fast as possible. In certain
> > cases this would heat up the peripheral chips enough that the circuit
> board
> > would catch fire.
> >
> > It's very easy to heat up the CPU more than a normal program, however
you
> > won't be able through software to heat it up any *noticeable* amount...
>
>
>
>




References: