From: ph@netcom.com (Peter Hendrickson)
Date: Fri, 22 Nov 1996 14:01:33 -0800 (PST)
To: cypherpunks@toad.com
Subject: Constraining the Program Counter
Message-ID: <v02140b00aebbd272eb96@[192.0.2.1]>
MIME-Version: 1.0
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You could build a fairly secure system if all of the executable
code were confined to ROMs.

Is there a way to confine the PC of any popular processors so
that it can only execute code in the ROM?

Ideally, it would be possible to do this with cheap off the
shelf hardware.

Peter Hendrickson
ph@netcom.com