On Wed, 5 Aug 2009 07:54:23 -0500, McKown, John wrote:
>
>Yes, but I vaguely remember some system that we studied in college which had 
>"writable control storage" where an authorized application could load in an 
>alternate ISA, well actually it would extend the current ISA because you 
>couldn't change the built-in instructions.
>
Ah, the memories:  LSI-11, P-machine, Wicat, Terak, ...
Most of which I never used, but they were buzzwords in their time.

--gil

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