N STEENKAMP [M.ING E&E] wrote:

> but it didn't work.  I was hoping that the xorwf instruction would
> operate as normal and change the carry flag and afterwards set the Z flag
> if the result was 0, but C is totally protected from being modified.
>
> Has anyone got a better approach (preferably one that does not need a
> file register)?  Maybe its staring me in the face, but right now I'm
> staring at the insides of my eyelids :-O

Try the following .

        movfw   status
        btfsc   MyFlags,Complement_Carry
        xorlw   1
        andlw   1       ;or something like that

WBR Dmitry .