Darren Guiden (darren@NITEBEAT.DEMON.CO.UK) wrote:

>I have a problem driving a Hitachi LM016L character display with a
>PIC.
>
>The software/hardware works fine with a 16C55, but when I recompiled
>to a 16C71, using the same circuit/clock speed etc the LCD won't
>respond.  I have adjusted the source code to take care of the
>different start address and interupts etc in the '71.

Darren:

If your program uses interrupts, make sure that you're PROPERLY (i.e.,
using SWAPFs) saving/restoring the W and STATUS registers in your
interrupt-service routine.

-Andy

--
Andrew Warren - fastfwd@ix.netcom.com
Fast Forward Engineering, Vista, California