Read the port, shift right 2, and AND it with %00000111, so say port = 11110111, shift right 2 gives 00111101, logical AND it with %00000111 should give you value of %101.
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Re: Adding Ports status to a variable
Read the port, shift right 2, and AND it with %00000111, so say port = 11110111, shift right 2 gives 00111101, logical AND it with %00000111 should give you value of %101.
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