Yep. That solved part of it. It's called FSR0 in MPLAB, but you have to write it as FSR0L. Joe M. ivp wrote: >> 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