AVR-Chat

I suggest downloading Pascal Stang's AVRlib.  It's a pretty good AVR GCC 
Function Library with source, examples and it's GPL.  It should work well 
for the ATmega8, ATmega128.

>I have so far only written basic logic using "C" for a Mega8 and would
> like to extend this to use of the UART for RS232 comms to external
> devices.  Would someone kindly point me in the right direction to find
> some introductory information and some "C" code to do this task?
>
> With thanks,
> Peter