1:MOV DPTR,#1050H MOVX A,@DPTR MOV DPTR,#1060H MOVX R0,@DPTR MOVX @DPTR,A MOVX A,R0 MOV DPTR,#1050H MOVX @DPTR,A2:MOV P1,38H3:PUSH 0100H4:MOV DPTR,#1000 MOVX A,@DPTR MOV 40H,A回答得不好,请见谅