每)天半紫大学 IIANJIN POLYTECHNIC UNIVERSITY b直接寻址传送 MOV A, direct ;(direct)A MoV direct, A;(A)->direct 双字节 MOV Rn, direct; ( direct)Rn MOV @Ri, direct;(direct)-(Ri) MoV direct, direct1;(direct1)direct 字节 例已知R0=20H,(20H)=11H,(30H)=22H,40H)= 33H问8051执行如下指令后,累加器A、50H、R5 20H和60H单元中的内容是什么? 信息与通信工程学院b.直接寻址传送 双字节 MOV A, direct ;(direct)→A MOV direct, A ; (A) → direct MOV Rn, direct;(direct)→Rn MOV @Ri,direct;(direct)→(Ri) MOV direct2, direct1;(direct1)→direct2 三字节 例.已知R0=20H,(20H)=11H, (30H)=22H,(40H)= 33H问8051执行如下指令后,累加器A、50H、R5、 20H和60H单元中的内容是什么?