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Question 4.7: A switch is connected to pin P1.0 and an LED to pin P2.7. Wr...

A switch is connected to pin P1.0 and an LED to pin P2.7. Write a program to get the status of the switch and send it to the LED

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SETB   P1.7        ;make P1.7 an input

AGAIN:      MOV   C,P1.0    ;read SW status into CF

MOV   P2.7,C    ;send SW status to LED
SJMP AGAIN   ;keep repeating

The instruction ‘MOV P2.7,P1.0’ is wrong , since such an instruction does not exist

However ‘MOV P2,P1’ is a valid instruction

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