如果(SP)=42H,(3FH)=12H,(40H)=34H,(41H)=50H,(42H)=80H,则执行下列指令后:POPDPHPOPDPLRET(PCH)=(())


如果(SP)=42H,(3FH)=12H,(40H)=34H,(41H)=50H,(42H)=80H,则执行下列指令后:POPDPHPOPDPLRET(PCH)=(())

A.80H

B.50H

C.34H

D.12H

正确答案:34H


Tag:单片机原理及接口技术 指令 时间:2022-01-25 14:18:16