On Monday 21 August 2006 06:15 pm, Tony Duell wrote:
  Torch sold an upgrade for the BBC micro which
added an internal PCB
 containing a Z80 running CP/N (no, that's not one of my typos...). 
 What is that,  then? 
CP/N was Torch's CP/M-a-like. It could run most (all?) CP/M software IIRC.
-tony