Johnny Billquist said:
>> There's actually a cheesy way to do demand paging with microprocessors
>> that don't support demand paging (such as the original 68000--another
>> "16 bit" machine). The way to do this is to run two processors in parallel
>> but skewed by one instruction. If the first one does a bad memory fetch,
>> then the second one will not have fetched the instruction causing the
>> fault so contains restartable machine state. Masscomp sold a machine
>> like this once.
>Didn't the first Apollos do this?
And also the Sun 1.
--
Rick Kelly [EMAIL PROTECTED]
<http://www.rmkhome.com/>
<http://rkba.rmkhome.com/>
