Date   : Tue, 10 May 2005 10:41:52 +0100
From   : Mike Tomlinson <mike@...>
Subject: Re: Jack Attack & undocumented opcode

In article <gemini.ig8pqi001eh9x01w4.emulators@...>, Michael
Borcherds <emulators@...> writes

>I've tracked it down to the fact that I run a hybrid processor - a
>compromise between 6502 in the BBC and 65C102 in the Master 128.

That's interesting.  I tried a 65C02 in my BBC B, which allowed me to
use the BASIC 4 ROM (which uses the extra opcodes) from the Master.  It
caused too many incompatibilities with other software, however, so I
reverted to the 6502.