已知(DS)=1000H,(BX)=0200H,(SI)=0005H,(10020H)=74H,(10200H)=28H, (11205H)=0ABH。求下列指令执

已知(DS)=1000H，(BX)=0200H，(SI)=0005H，(10020H)=74H，(10200H)=28H， (11205H)=0ABH。求下列指令执行后AX中的内容:MOV AX，1000H[BX+SI]；(AX)=______。