David Novak <David.Novak <at> dajac.com> writes:

>=20
> I'm using the ICD2 and MPLAB with a PIC18F4523. I was seeing odd
> behavior while single-stepping, so I created the following, very simple
> application.
>=20
> void main()
> {
>     TRISB =3D0b11111101;
>=20
>     while( 1 )
>     {      =20
>         RB1 =3DRC1;
>     }
> }
>=20
> The only other thing in the file are the Hitech macros to setup the
> configuration registers.
>=20
> If I let the program run, RB1 follows RC1 as expected. However, if I
> single step while watching the PORTC register, the debugger only updates
> the register value when I execute the RB1 =3DRC1 line.
>
I have not used ICD2 in a while, but from what you describe it behaves as
expected.  need to execute RB1 =3D RC1 to update registers, they are not li=
nked in
any other way.=20

Sergey Dryga
http://beaglerobotics.com

--=20
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