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堆栈寻址方式中,设A为通用寄存器,SP为堆栈指示器,MSP为SP指示器的栈顶单元,如果操作的动作是:(A)→MSP ,(SP)- 1 →SP ,那么出栈的动作应是______。

单选题
2021-09-01 22:32
A、(MSP)→A, (SP) + 1→SP ;
B、(SP) + 1→SP ,(MSP)→A ;
C、(SP) - 1→SP ,(MSP)→A ;
D、(MSP)→A ,(SP) - 1→SP ;
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正确答案
B

试题解析

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