hi, Nice to find someone that's doing PIC development in Belgium! What are you working on? For the Swapf, I don't know, but I am using it, and it works, but I don't understand why we need to do this... -- _____________ \ / David BALDWIN \ ALCATEL / Design engineer \TELECOM/ \ / SdM (Societe de Microelectronique) \ / \ / B.P. 4205 Phone : +32 (0)71 442932 V B-6000 Charleroi Fax : +32 (0)71 442905 (Belgium) mailto:baldwin@etca.alcatel.be