> So what I should do is to use a variable to pack the bits in to and
> then send that variable to the port! Correct?

It's the safest way on PICs without a LAT register, such as the 16s

You might use a register called shadowa. Read the port into it,
modify the contents, then write it back to the port

Another page about r-m-w

http://www.piclist.com/techref/readmodwrite.htm

And what r-m-w can look like in practice. Part of a project that
had me scratching my head for a while because what was coming
out of the pins was the opposite of what I wanted

http://web.archive.org/web/20041120185406/http://home.clear.net.nz/pages/jo=
ecolquitt/sx_pins2.html

Joe=20



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