Alpha CPUs, was Re: [rescue] i860 Success

Andrew Weiss ajwdsp at
Tue May 4 07:27:27 CDT 2004

On May 3, 2004, at 8:09 PM, Nathan Raymond wrote:

> "A more subtle problem was that the 68000 could not easily run a 
> virtual
> image of itself without simulating a large number of instructions. This
> problem persists in many modern versions of the architecture, which is
> rarely used in these applications. This lack caused the later versions 
> of
> the Intel 80386 to win designs in avionic control, where software
> reliability was achieved by executing software virtual machines.
The 80386 is much more equivalent to a 68020/68030.

Why compare it to a 68000?


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