Question Description
Write a program to monitor Bit PJ3, which is connected to a switch. When it is HIGH, send 55H to the output port, PORTB. You also need to define the PJ3 bit as an input port, and PORTB as an output port.

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Write a program to monitor Bit PJ3, which is connected to a switch. When it is HIGH, send 55H to the output port, PORTB. You also need to define the PJ3 bit as an input port, and PORTB as an output port.
SETB PJ3
AGAIN: JNB PJ3, AGAIN
MOV B,#55H
SJMP AGAIN
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