Barton Hodges wrote :

> I'm beginning to think that the problem might be that the compiler
> does not support my PIC16F87 chip.  I have it configured to use the
> PIC16F870,...

But that's not the PIC your are using, right ?

> and it compiles properly...

Of course it does ! The compiler *thinks* you have a 16F870 !

> and works for all other I/O that I have tried...

Pure luck... :-)

> Perhaps there is something different with the UARTs
> between the two chips.

Check the data sheets...
Those PICs are from two different generations.

> I'm going to order another chip to try, and
> I'm considering a PIC16F873A.  Do you have any suggestions?

No, I don't know your hardware and tools you are using.
I'd suggest that you read : http://www.voti.nl/swp/index.html.
It might not help, but it gives some insight.

Best Regards,
Jan-Erik.

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