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【单选题】
已知各寄存器的值(A)=12H,(R0)=20H,(R1)=21H,(SP)=25H,RAM存储器单元内容如下图所示: 则依次执行以下指令后,结果如何? PUSH 22H POP 21H MOV A,@R1
A.
(A)=12H
B.
(A)=2AH
C.
(A)=21H
D.
(A)=41H
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