"JJ" wrote in message
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Thanks for your input.

I see them wired identically and I checked a few times!

Not quite. The LCD enable and Register Select lines are swapped between the
two circuits. Look carefully -- it is confusing since the R/W line is the
same (and it is between the two). Now, all I had to go by was Mag's
schematic and Peter's source code. I didn't find either Mag's source or
Peter's schematic. But Peter's source does expect LCDEN and RS to be on the
opposite pins to Mag's schematic.

And I am using a 4MHz crystal.

I am using a 10 MHz crystal, but I modified Peter's code to accomodate that

My LCD is a standard 2x16 one and the Mag display is broken on 2x8 lines.

It's a pretty simple fix to deal with the 2x8. Most 1x16 displays are 2x8
with the two lines side by side. Mag has to add 0x40 when he gets to the
ninth character. Just drop that add and you're good to go.

Did you compile Peter's source code yourself?

Yes. Back whenever it was I first started playing I may have used his hex
file, that was a long time ago. But I can't resist the urge to play mself.

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