try microchips appnotes:
http://www.microchip.com/10/Appnote/Category/12CXXX/Remote/6_004/index
.htm
for example, good explanation of how coding works.
There are several other appnotes, for example, an657.

alice

> Hi,
>
> I am after a picbasic or asm file to capture multipull IR codes on a 16f877.
> I would like to the retransmit the codes  when triggered by RS232 command.
> The RS232 bit is easy I just need some code to capture IR code from
> different brand remotes. These code would need to be stored in EEprom.
>
> If anyone has some code they can share that may be any help could the please
> email it to me.
>
> Mathew Cohen
>
> mathew@everythingit.net
>