已知(A)=2FH,(30H)=6AH,(R1)=52H,(52H)=1BH,执行下列程序,分析执行结果。SWAP A;(A)=________________________XCH A,30H;(A)=_________________________,(30H)=____________________________XCHD A,@R1;(A)=__________________________,(52H)=________________________ 执行 已知 下列 发布时间:2024-06-23 22:35:20