> To get an idea of the complexity of MSCP, you
> might look at the implementation in the Supnik
> simulator SIMH. It now includes RQDX3 emulation.

Thanks for the heads up, I'll check it out.

> seen it online anywhere. Comments in the NetBSD
> MSCP device driver also hint at the lack of
> reference material.

Yeah, I noticed those comments...that's when I begin thinking, this might get tough...

> Documentation must exist though. I have to believe
> that Mr. Supnik had something more than his memory
> to work from. 

Perhaps a mind current passed through his body will get him to reveal his sources...
<of course I'm joking!>

jam