PortB Change Interrupts

[backstabber]

RBC_INT only triggers on chages with PORTB<7:4>

For PORTB.0, you would use INT0_INT
PORTB.1 is INT1_INT

Each one should have it's own handler, so it automatically knows which pin triggered.
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Actually, I meant to read from pin 4 and 5. That solves half of the problem.

I have corrected that in my code, still same problem.