寻址方式在结构化数据中的应用

实现代码

data segment
    db '1975','1976','1977','1978','1979','1980','1981','1982','1983'
    db '1984','1985','1986','1987','1988','1989','1990','1991','1992'
    db '1993','1994','1995';年份(0-53H)

    dd 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514
    dd 345980,590827,803530,1183000,1843000,2759000,3753000,4649000,5937000
    ;收入(54h-0A7H)
    dw 3,7,9,13,28,38,130,220,476,778,1001,1442,2258,2793,4037,5635,8226
    dw 11542,11430,15257,17800
    ;雇员(0A8h-0D1H)
data ends

table segment
    db 21 dup('year summ ne ?? ')
table ends

assume cs:code,ds:data,es:table
code segment
start:
    mov ax,data
    mov ds,ax
    mov ax,table
    mov es,ax

    mov bx,0
    mov si,0
    mov di,0
    mov cx,21;循环21次
s:  
    mov al,[bx]
    mov es:[di],al
    mov al,[bx+1]
    mov es:[di+1],al
    mov al,[bx+2]
    mov es:[di+2],al
    mov al,[bx+3]
    mov es:[di+3],al    ;存年份 19xx

    mov ax,54h[bx];低位
    mov dx,56h[bx];高位
    mov es:5h[di],ax
    mov es:7h[di],dx  ;存总收入 

    mov ax,0A8h[si]
    mov es:0Ah[di],ax ;存人数

    mov ax,54h[bx]
    mov dx,56h[bx] ;被除数

    div word ptr ds:0A8h[si] ;除以人数
    mov es:0dh[di],ax;存商

    add bx,4;确定年份和收入
    add si,2;确定人数
    add di,16;确定行

    loop s

    mov ax,4c00h
    int 21


code ends

end start