On Thu, 1 Sep 2011, Nathan House wrote:

> 		PIR1bits.RCIF =3D 0; // clear the USART receive interrupt flag

RCIF is a read-only bit.  You cannot write a zero to it.  It reflects
the state of RCREG: set when there is data waiting to be read, clear
when there isn't.

TXIF is also read-only.

--
John W. Temples, III
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