On Fri, 2015-01-02 at 03:06 +0000, Jan Zumwalt wrote:
> How do you access the 8051 on chip ports?
> ASM uses P0.0..P0.7, P1.0..P1.7
> 
> I need to access P1...
> 
> I have tried 
> P1.7 = 1; //Does not seem to work

Hi,

You will find the correct notation in the header file for
your used microcontroller.
And then it is just a matter of writing to or reading from
that register.

And as always : read the user manual for your microcontroller.

roelof



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