已知(DS)=2000H,有关的内存单元值为(21000H)=00H,(21001H)=12H,(21200H)=00H ,(21201H)=10H ,(23200H)=20H ,(23201H)=30H ,(23400H)=40H,(23401H)=30H,(23600H)=60H,(23601H)=30H,位移量COUNT=1200H。执行下列指令后,寄存器AX、BX、SI 的值分别是__________________,________________,_________________。 MOV BX,OFFSET COUNT MOV SI,[BX] MOV AX,COUNT[SI][BX]