At 10:23 PM 8/18/97 -0400, Alan G. Smith wrote:
>         From what I can see, it is for the 16C71.
>I have used a modified version to work on different pins.  Since I
couldn't use
> the interrupt for the
>Receive I used the timer Interrupt (TMR0) to check for Receive Data.
>I actually implemented mine fully in the ISR where you simply set a flag when
> you have transmit data
>available and a flag is set when receive data is available.
>I had very little problems making the modifications and getting it to work.
>
>If you have any problems implementing it, let me know and I will see what
I can
> do to help.
>
>Good luck!

Why couldn't you use the interrupt to check for data received?  I've also
been having trouble with RS232/RS485 communications on a 16C74A.  It seems
to always send 0x0 when it's not specifically sending something else.

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