判断以下指令的正误。   (1) MOV R1,R2   (2)MOV 20H,@R3   (3)DEC DPTR   (4)INC DPTR  (5)MOVX A,@R1  (6)MOVC A,@DPTR  (7)PUSH DPTR (8)CLR R1    (9)MOV 20H,30H    (10)MOV F0,C    (11) CPL R7    (12)RC A

判断以下指令的正误。   (1) MOV R1,R2   (2)MOV 20H,@R3   (3)DEC DPTR   (4)INC DPTR  (5)MOVX A,@R1  (6)MOVC A,@DPTR  (7)PUSH DPTR (8)CLR R1    (9)MOV 20H,30H    (10)MOV F0,C    (11) CPL R7    (12)RC A


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