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题目内容 (请给出正确答案)

1、假设Cortex-M3的寄存器R0=0x00000001,R1=0x00000002,R2=0x00000003,R3=0x00000004,则执行指令“PUSH(R0);PUSH(R1);PUSH(R2);PUSH(R3);POP(R1);POP(R2);POP(R3);POP(R4);”后,R3的值是()

A.0x00000001

B.0x00000002

C.0x00000003

D.0x00000004


参考答案和解析
B
更多 “1、假设Cortex-M3的寄存器R0=0x00000001,R1=0x00000002,R2=0x00000003,R3=0x00000004,则执行指令“PUSH(R0);PUSH(R1);PUSH(R2);PUSH(R3);POP(R1);POP(R2);POP(R3);POP(R4);”后,R3的值是()A.0x00000001B.0x00000002C.0x00000003D.0x00000004” 相关考题
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