XLAT转码：以DS:【BX+AL】为地址，提取存储器中的一个字节再送入AL

data segment
    a db ,,,,,,,,
    b dw   ;sum of a
    table db 11h,22h,33h,44h,55h,66h,77h,88h,99h
ends

code segment
start:
    mov ax,data
    mov ds,ax
    mov si,offset a
    mov cx,offset b - offset a  ;array bytes length
    s:
    mov al,[si]
    mov ah,
    add b,ax
    inc si
    loop s   

    ;test xlat
    mov bx,offset table
    mov al,
    xlat       

    mov ax, 4c00h
    int 21h
ends

end start