A.有符號乘法:DX←AL×CL B.無符號乘法:DX←AL×CL C.有符號乘法:AX←AL×CL D.無符號乘法:AX←AL×CL
A.寄存器尋址 B.立即尋址 C.相對尋址 D.直接尋址
A.MOVAX,0705H B.MOVAX,0075H C.MOVAX,0705 D.MOVAX,0075