What you are trying to do? If you want to see an "echo" of P2.0 on P0.2 try:


ORG 0000H
JMP MAIN
ORG 0050H

MAIN: MOV C,1,P2.0
MOV P0.2,C
JMP MAIN
END

THERE IS NO SUCH COMMAND AS MOV (BIT),(BIT)