This is a multi-part message in MIME format. ------_=_NextPart_001_01C28888.C78E2F91 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi all, I got this code of the net so that I can explore using the hardware UART = on the 16F877. I tried to compile this but the problem is I am getting=20 Error 151 Operand contains unresolvable labels or is too complex. on the following lines. =09 aligned SET pow2&&((base&(size-1))=3D=3D0) if (aligned&&!(base&(1<