8086汇编学习小记王爽汇编语言实验7

 1 ;16位汇编 BX、BP、SI、DI 才能间接寻址， ax不行
 2 ;程序开始时cx大小是程序的长度
 3 ;存储器不能到存储器 mov/add
 4 
 5 assume cs : codesg, ds : datasg, ss : stacksg
 6 
 7 datasg SEGMENT
 8     db '19751976197719781979','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977'
 9     dd 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514,345980,590827,803530,1183000,1843000,2759000,3753000,4649000,5937000
10     dw 3,7,9,13,28,38,130,220,476,778,1001,1442,2258,2793,4037,5635,8226,11542,14430,15257,17800
11 datasg ENDS
12 
13 table SEGMENT
14     db 21 dup ('year sumn ne ?? ')
15 table ENDS
16 
17 stacksg SEGMENT
18     dw 0, 0, 0, 0, 0, 0, 0, 0
19 stacksg ENDS
20 
21 codesg SEGMENT
22 start:    mov ax, datasg
23     mov ds, ax
24     mov ax, table
25     mov es, ax
26 
27     mov cx, 21
28     mov bx, 0
29     mov si, 0
30 s:    mov ax, [bx]        
31     mov es : [si], ax
32     mov ax, [bx + 2]
33     mov es : [si + 2], ax
34     mov byte ptr es : [si + 4], ' '
35     add bx, 4
36     add si, 16
37     loop s
38 
39     mov cx, 21
40     mov bx, 84
41     mov si, 5
42 s1:    mov ax, [bx]        
43     mov es : [si], ax
44     mov ax, [bx + 2]
45     mov es : [si + 2], ax
46     mov byte ptr es : [si + 4], ' '
47     add bx, 4
48     add si, 16
49     loop s1
50 
51     mov cx, 21
52     mov bx, 168
53     mov si, 10
54 s2:    mov ax, [bx]        
55     mov es : [si], ax
56     mov byte ptr es : [si + 2], ' '
57     add bx, 2
58     add si, 16
59     loop s2
60 
61     mov si, 84
62     mov di, 168
63     mov bx, 13
64     mov cx, 21
65 s3:    mov ax, [si]
66     mov dx, [si + 2]
67     div word ptr [di]
68     mov es : [bx], ax
69     add bx, 16
70     add si, 4
71     add di, 2
72     loop s3
73     mov ax, 4c00h
74     int 21h
75 codesg ENDS
76 END start