Ian Bell wrote: > > ADDWF Rx_Num, W ;Add Rx_Num to W > > Here is the problem. ADDWF adds W to the File not the file to W. > After this line W still equals Rx_Buffer. God, no. The ",W" means that the result of the addition goes to W; RxNum is unchanged. -Andy === Andrew Warren -- aiw@cypress.com === Principal Design Engineer === Cypress Semiconductor Corporation === === Opinions expressed above do not === necessarily represent those of === Cypress Semiconductor Corporation -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu