Jan-Erik,
     OK! I'm learning. See I have just enough knowledge to be really=20
dangerous! LOL!
Thanks,
rich!

On 7/19/2014 1:39 PM, Jan-Erik Soderholm wrote:
> Also see the "MPLAB=AE XC8 C Compiler User=92s Guide"
> chapter "5.3.6 Using SFRs From C Code" that also
> has this described.
>
>   From that chapter:
>
> --------------
> The names of the structures that hold the bit-fields will
> typically be those of the corresponding register followed by
> "bits". For example, the following shows code that includes
> the generic header file, clears PORTA as a whole, sets bit 0
> of PORTA using a bit variable and sets bit 2 of PORTA using
> the structure/bit-field definitions.
>
> #include <xc.h>
> void main(void)
> {
> PORTA =3D 0x00;
> RA0 =3D 1;
> PORTAbits.RA2 =3D 1;
> }
> --------------
>
> Or using the register and bit in your example code:
>
> #include <xc.h>
> void main(void)
> {
> PIR1 =3D 0x00;
> TMR1IF =3D 1;
> PIR1bits.TMR1IF =3D 1;
> }
>
> One reason to use the longer "reg.bit" format is that
> a dropdown list with all defined bits is opened as soon
> as you hit the dot after "PIR1bits". Well, at least in
> MPLAB X, I do not think MPLAB 8 does that...
>
> Jan-Erik.
>
>

--=20
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