汇编程序21：实验7 

 1 assume cs:code,ds:data,ss:stack
 2 //同时复制程序1
 3 data segment
 4     db '1975','1976','1977','1978','1979','1980','1981','1982','1983'
 5     db '1984','1985','1986','1987','1988','1989','1990','1991','1992'
 6     db '1993','1994','1995'
 7     
 8     dd 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514
 9     dd 345980,590827,803530,1183000,1843000,2759000,3753000,4649000,5937000
10 
11     dw 3,7,9,13,28,38,130,220,476,778,1001,1442,2258,2793,4037,5635,8226
12     dw 11542,14430,15257,17800
13 data ends
14 
15 stack segment
16     dw 0,0,0,0,0,0,0,0
17 stack ends
18 
19 table segment
20     db 21 dup ('year sumn ne ?? ')
21 table ends
22 
23 code segment
24     start:
25           mov ax,data
26           mov ds,ax //遍历段
27           mov ax,table
28           mov es,ax //储存段
29           mov bx,0 //行偏移
30           mov si,0 //4字节数据偏移
31           mov di,0 //2字节数据偏移
32           mov cx,21 //循环次数
33         s:
34           push cx //压栈的直接目的就是不想让其值在内部改变
35           push di
36           push si
37           mov cx,4 //获取年份字符串,循环遍历单个字符
38           mov di,0 //借di一用
39           s0:
40              mov al,ds:[si]
41              mov es:[bx+di],al
42              inc si
43              inc di
44              loop s0
45           pop si //取出si,使其值改变
46           mov ax,ds:[si+84] //4字节赋值
47           mov dx,ds:[si+86]
48           mov es:[bx+5],ax
49           mov es:[bx+7],dx
50           add si,4 
51           pop di //取出di,使其值改变
52           mov ax,ds:[di+168]
53           mov es:[bx+10],ax
54           add di,2
55           mov ax,es:[bx+5] //除法运算
56           mov dx,es:[bx+7]
57           div word ptr es:[bx+10]
58           mov es:[bx+13],ax
59           add bx,10h //行地址+10h
60           pop cx
61           loop s
62     mov ax,4c00h
63     int 21h
64 code ends
65 
66 end start

 

 1 assume cs:code,ds:data,ss:stack
 2 //分别复制程序2
 3 data segment
 4     db '1975','1976','1977','1978','1979','1980','1981','1982','1983'
 5     db '1984','1985','1986','1987','1988','1989','1990','1991','1992'
 6     db '1993','1994','1995'
 7     
 8     dd 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514
 9     dd 345980,590827,803530,1183000,1843000,2759000,3753000,4649000,5937000
10 
11     dw 3,7,9,13,28,38,130,220,476,778,1001,1442,2258,2793,4037,5635,8226
12     dw 11542,14430,15257,17800
13 data ends
14 
15 stack segment
16     dw 0,0,0,0,0,0,0,0
17 stack ends
18 
19 table segment
20     db 21 dup ('year sumn ne ?? ')
21 table ends
22 
23 code segment
24     start:
25           mov ax,data
26           mov ds,ax
27           mov ax,table
28           mov es,ax
29           mov bx,0
30           mov si,0
31           mov cx,21
32         s:
33           push cx
34           mov di,0
35           mov cx,4
36           s0:
37              mov al,ds:[si]
38              mov es:[bx+di],al
39              inc si
40              inc di
41              loop s0
42           add bx,10h
43           pop cx
44           loop s
45           mov bx,0
46           mov si,0
47           mov cx,21
48        s3:
49           mov ax,ds:[84+si]
50           mov dx,ds:[86+si]
51           mov es:[bx+5],ax
52           mov es:[bx+7],dx
53           add si,4
54           add bx,10h
55           loop s3
56           mov bx,0
57           mov si,0
58           mov cx,21
59        s5:
60           mov ax,ds:[168+si]
61           mov es:[bx+10],ax
62           add si,2
63           add bx,10h
64           loop s5
65           mov bx,0
66           mov si,0
67           mov cx,21
68        s7:
69           mov ax,es:[bx+5]
70           mov dx,es:[bx+7]
71           div word ptr es:[bx+si+10]
72           mov es:[bx+13],ax
73           add bx,10h
74           loop s7
75     mov ax,4c00h
76     int 21h
77 code ends
78 
79 end start

 

posted on 2018-01-28 22:23  叶倾仙  阅读(138)  评论(0)    收藏  举报

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