例: 假设:(DS)=B000H 存储器 (BX)=080AH DS)(BX) B00OH: 080AH A2H 指令: LES DI,BX B080BH 05H 执行指令后 B080CH 00H (DI)=05A2H B080DH 40H (ES)=4000H例: 假设： (DS)=B 000H (BX)=080AH 指令: LES DI, [BX] 执行指令后: (DI)=05A2H (ES)=4000H A2H 05H 00H 40H B000H:080AH (DS) B080BH B080CH B080DH ... ... 存储器 (BX)