On 23/09/2010 8:14 AM, ivp wrote:
>> "PORT does a read" ? So does doing BCF/BSF on LATx also.
>> There is no difference in that way. BCF/BSF *always* reads.
> My apology, I should have been specific and said "reads pins",
> as I was thinking about r-m-w
>
> > From DS70190C, Section 30.2 -
>
> The differences between the PORTx and LATx registers can be
> summarized as follows:
>
> . A write to the PORTx register writes the data value to the port latch.
> . A write to the LATx register writes the data value to the port latch.
> . A read of the PORTx register reads the data value on the I/O pin.
> . A read of the LATx register reads the data value held in the port latch=
..
>
<snip>

Good post Joe. Thanks to all that contributed to this thread. I think we=20
can safely put it to bed now. :-)
David...

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David Duffy        Audio Visual Devices P/L
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Our Web Site: www.audiovisualdevices.com.au
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