> 2. boot routines should jam PS = 340, which is what is expected today.
>
> #2 is based on an examination of the official boot ROM listings. While
> there may be paths through the boot ROMs that don't set PS = 340, the
> primary path does that, and it is known to work with all the existing
> b
With help from Tim Litt, I think we've arrived at the right answer:
1. cpu_reset should CLEAR PS for all processors EXCEPT T11.
2. boot routines should jam PS = 340, which is what is expected today.
#1 is based on an examination of specs, manuals, and schematics for all
the PDP11 CPUs. In part
