Date   : Sun, 05 Oct 1997 22:15:05 +0100 (BST)
From   : Mark Cooke <mpc@...>
Subject: Tube again...

Missed a detail:

The 4K rom is mapped repeatedly between 0x8000 and 0xFFFF.

The parasite IO address range 0xFEF8-0xFEFF is the range which seems 
to cause the rom to get mapped out.

Regards,

Mark

Mark Cooke                  The views expressed above are mine and are not
Systems Programmer          necessarily representative of university policy
University Of Birmingham    URL: http://www.sr.bham.ac.uk/~mpc/