I note that in the .inc file there are entries for alternative=20 (mis)spellings CM12CON EQU H'0F77' ;this one seems odd CM2CON1 EQU H'0F77' CM2CON EQU H'0F78' CM2CON0 EQU H'0F78' CM1CON EQU H'0F79' CM1CON0 EQU H'0F79' Clutching at straws - something not compiling the way you thought ? > ORG 0x0018 > > ;--------------------------------------------------------------------- > ; Initialization section... > ;--------------------------------------------------------------------- > > Init: Clutching at straws (supplemental) - 0x0018 is an IRQ vector. 0x0020 ? Joe=20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .