实验如下:
编程代码如下:
assume cs:code
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'
;以上表示21个年份(Byte字节) 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
;以上表示21个年份的年收入(double word ) 54H~0a7H
dw 3,7,9,13,28,38,130,220,476,778,1001,1442,2258,2793,4037,5635,8226
dw 11542,14430,15257,17800
;以上表示21个年份的雇员人数(word) 0a8H~0d1H
data ends
table segment
db 21 dup ('year summ ne ?? ')
table ends
code segment
start:
mov ax,data ;数据段寄存器ds指向table
mov ds,ax
mov ax,table ;数据段寄存器ds指向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 ;存放年份
mov ax,54H[bx]
mov dx,56H[bx]
mov es:5H[di],ax
mov es:7H[di],dx ;存放年收入
mov ax,0a8H[si]
mov es:0aH[di],ax ;存放员工人数
mov ax,54H[bx]
mov dx,56H[bx]
div word ptr es:0aH[di]
mov word ptr es:0dH[di],ax ;计算员工年平均工资
add si,2 ;si控制 word型数据循环
add bx,4 ;si控制 Byte和double word 型数据循环
add di,16 ;di控制 每行的列循环
loop s
mov ax,4c00H
int 21H
code ends
end start
效果如下: