BTW, has
anyone got a spare BBC Master Series User's Manual? The one
that covers the Master 128?
There's some Master related docs at these sites :
http://members.aon.at/~musher/bbc/essentials.htm
http://www.retrocomputing-world.com/biblio/computer/acorn/docs.shtml
Failing that, you're always welcome to borrow my user's manual and
photocopy/scan it.
Tim.