Re: DUAL Systems documentation

[Herb Peyerl <hpeyerl%beer.org@localhost>]

On Feb 22, 2014, at 3:12 AM, Erik Fair wrote:
> An aside, before Motorola shipped the mc68010, I saw another solution to the 
> faulted-instruction state save problem from MassComp: their CPU board had two 
> mc68k CPUs on it, one running a cycle behind the other, so a page fault would 
> stop them both, the missing page could be paged in (I think they designed 
> their own MMU; long since forgotten), and then execution resumed on the 
> second, following CPU which hadn't taken the memory-access fault. Throw 
> hardware at the problem ...

Isn't that what the first Apollo did? (DN100)..