> I found that the low bytes don't use the 'L', so it's just FSR0 and > FSR0H. But... > > Now I'm really lost. > > MOVLW TIME_RX_ADD > MOVWF FSR0 > > If I step through the debugger, TIME_RX_ADD (B0) is being loaded into > W, but on the next step W is not being saved to FSR0. It's acting like > it's > locked or something. That's when you have to specify FSR0L, not FSR0 wbr -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist