Olin Lathrop wrote: > David Duffy (AVD) wrote: > =20 >> I am using INDF0 for reading the receive buffer. It is the same code >> I've used countless times before. >> =20 > > Are you doing this in the interrupt routine and forgot to save/restore th= e > FSR? I am using INDF0 in the serial receive ISR, as well as in tasks triggered by flags in the main loop. I'm not saving / restoring them in the ISR, as I understand this particular chip does that by itself. David... --=20 ___________________________________________ David Duffy Audio Visual Devices P/L Unit 8, 10 Hook St, Capalaba 4157 Australia Ph: +61 7 38235717 Fax: +61 7 38234717 Our Web Site: www.audiovisualdevices.com.au ___________________________________________ --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .