In article <200612072044.kB7Ki2P1032727 at mwave.heeltoe.com>,
    Brad Parker <brad at heeltoe.com>  writes:
  any pointers/comments appreciated. 
Maybe something in here?
<http://bitsavers.vt100.net/dec/pdp8/handbooks/> 
not bad - thanks.  that manual predates my pdp-8 time.
I didn't realize the early 8's were so asynchronous.
and I didn't realize an df32 was so cool!
-brad