Thanks for the reply's about my LCD interface problem.  I never worked out
the problem with using PORTE for the control lines and PORTD for data (ie.
74).  The code that I was using works fine if I change the control port to
either C or D so there has to be an initialisation error somewhere that I
haven't picked up on.

I'm now using PORTC for the control lines and everything seems to be fine.
Thanks again.
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Wayne Bennett
Griffith University
Brisbane Australia
w.bennett@sct.gu.edu.au