Proper subject added.  Did you really thing just "[PIC:]" was a reasonable
indication of what this thread is about.  Duh!

Nick Masluk wrote:
> I'm attempting to run interrupts when USART data is
> received on a 16F627 (all other interrupts masked),
> but for some reason the interrupt does not seem to
> want to run.

For an interrupt driven UART handler, see my QQQ_UART.ASPIC module at
http://www.embedinc.com/pic.  Check out the HOS project linked to from the
same page for a complete working project using the interrupt driven UART.

>         org     0

Bad idea.  Write on the blackboard 100 times "I will not use absolute mode
anymore", "I will not use absolute mode anymore", ...

>         goto    init                    ;skip over interrupt routine
> to initialization
>         org     4                       ;start of interrupt routine
>         (interrupt code, which never runs)
>         retfie

How do you know it never runs?  There could very well be a bug in there.

> init    (setup port A/B I/O, set baud rate to 2400bps,
> enable async USART transmit, initialize LCD)

Listing the tasks you think you coded isn't very useful.  How do we know you
don't have a bug there?

>         bsf     PIE1, RCIE              ;unmask USART receive

Bank settings?

Any further comments are pointless until you show us the real code.  Make
sure you pay proper attention to bank settings.  And, no, I don't want to
see BSF/BCF STATUS,RP0 and the like.  At the very least use BANKSEL.  For a
better method, see my DBANKIF and related macros in STD.INS.ASPIC at
http://www.embedinc.com/pic.


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