汇编语言实验报告

add si,2 ;存器,并且add si,2两次.依次类推按照不同偏移地址写入数据 mov ax,[bx+si] mov [bp+2],ax add si,2 add bp,10h loop s0

mov cx,21 mov bp,0 mov si,0

s1:mov ax,[bx+si+84] mov [bp+5],ax add si,2

mov ax,[bx+si+84] mov [bp+7],ax add si,2 add bp,10h loop s1

mov cx,21 mov bp,0 mov si,0

s2:mov ax,[bx+si+168] mov [bp+10],ax add si,2 add bp,10h loop s2

mov cx,21 mov bp,0

s3:mov ax,[bp+5] mov dx,[bp+7]

div word ptr [bp+10]

mov [bp+13],ax ;把寄存器ax中所得的商存放在table指定位置 add bp,10h loop s3

mov ax,4c00h int 21h

codesg ends end start

程序二：一个循环

assume cs:code,ds:data,es:table

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'

dd 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514

dd 345980,590827,803530,1183000,1843000,2759000,3753000,4649000,5937000 dw 3,7,9,13,28,38,130,220,476,778,1001,1442,2258,2793,4037,5635,8226 dw 11452,14430,15257,17800 data ends

table segment

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

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 s: mov ax,[bx] mov es:[si],ax mov ax,[bx].2

mov es:[si].2,ax ;把db的数据写入指定位置

mov ax,[bx].84 mov es:[si].5,ax mov dx,[bx].86

mov es:[si].7,dx ;把dd的数据写入指定位置

div word ptr ds:[di].168

mov es:[si].13,ax ;把dw的数据作为除数,直接运算,并将寄存器ax的值送 mov ax,[di].168 ;入指定位置

mov es:[si].10,ax ;把dw的数据写入指定位置

add di,2 ;每回合改变的偏移地址 add bx,4

add si,16 loop s

mov ax,4c00h int 21h code ends end start