pic microcontroller discussion list wrote:
>  I'm not sure what BANKSEL PORTA is supposed to do.

I don't mean to be rude, but then why don't you look it up?
FWIW, it makes sure the correct bank to access PORTA is
selected. The assembler does it for you, so there's less
chance of human error.

>      Then to read the port, just do a movf 0x05, 0
>
>  This will move the contents of PORTA into the 'w' register.

that's exactly what the OP's code did! except that I find the
original code was much clearer and better documented than
your example.

why is your "movf 0x05, 0" better than the "movf PORTA, w"
in the original post?

I *really* don't mean to be rude, but I understand if it comes
across that way. I think (as will many others) that your
suggestion is a very bad idea. The symbolic names are there for
a reason. The code is much clearer with the symbolic names.

Phil Eisermann

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