ASM_16 作业

komany

1. assume cs:code
   
2. data segment
   
3. Nisy db 'Hello,Nisy!$'
   
4. Komany db 'Hello,komany!$'
   
5. China db 'Hello,China!$'
   
6. ASM db 'Hello,ASM!$'
   
7. data ends
   
8. code segment
   
9. start:
   
10. mov ax,data
    
11. mov ds,ax
    
12. call fun_1
    
13. call fun_2
    
14. call fun_3
    
15. call fun_4
    
16. mov ax,4c00h
    
17. int 21h
    
18. fun_1: push cx
    
19. push si
    
20. push dx
    
21. 
    
22. mov cx,11
    
23. mov si,0
    
24. 
    
25. mov bx,offset Nisy
    
26. s1: mov al,[bx+si]
    
27. cmp al,2ch
    
28. jz next1
    
29. cmp al,'!'
    
30. jz next1
    
31. and al,11011111b
    
32. mov [bx+si],al
    
33. next1: inc si
    
34. loop s1
    
35. 
    
36. mov ax,0900h
    
37. mov dx,offset Nisy
    
38. int 21h
    
39. pop dx
    
40. pop si
    
41. pop cx
    
42. retn
    
43. fun_2: push cx
    
44. push si
    
45. push dx
    
46. 
    
47. mov cx,13
    
48. mov si,0
    
49. mov bx,offset Komany
    
50. s2: mov al,[bx+si]
    
51. cmp al,2ch
    
52. jz next2
    
53. cmp al,'!'
    
54. jz next2
    
55. and al,11011111b
    
56. mov [bx+si],al
    
57. next2:
    
58. inc si
    
59. loop s2
    
60. mov ax,0900h
    
61. mov dx,offset Komany
    
62. int 21h
    
63. pop dx
    
64. pop si
    
65. pop cx
    
66. retn
    
67. fun_3: push cx
    
68. push si
    
69. push dx
    
70. 
    
71. mov cx,12
    
72. mov si,0
    
73. mov bx,offset China
    
74. s3: mov al,[bx+si]
    
75. cmp al,2ch
    
76. jz next3
    
77. cmp al,'!'
    
78. jz next3
    
79. and al,11011111b
    
80. mov [bx+si],al
    
81. next3: inc si
    
82. loop s3
    
83. mov ax,0900h
    
84. mov dx,offset China
    
85. int 21h
    
86. pop dx
    
87. pop si
    
88. pop cx
    
89. retn
    
90. fun_4: push cx
    
91. push si
    
92. push dx
    
93. 
    
94. mov cx,10
    
95. mov si,0
    
96. mov bx,offset ASM
    
97. s4: mov al,[bx+si]
    
98. cmp al,2ch
    
99. jz next4
    
100. cmp al,'!'
     
101. jz next4
     
102. and al,11011111b
     
103. mov [bx+si],al
     
104. next4: inc si
     
105. loop s4
     
106. mov ax,0900h
     
107. mov dx,offset ASM
     
108. int 21h
     
109. pop dx
     
110. pop si
     
111. pop cx
     
112. retn
     
113. code ends
     
114. end start

复制代码

komany

1. 
   
2. 
   

复制代码

1. assume cs:code
   
2. data segment
   
3. Nisy db 'Hello,Nisy! $'
   
4. Komany db 'Hello,komany! $'
   
5. China db 'Hello,China! $'
   
6. ASM db 'Hello,ASM! $'
   
7. data ends
   
8. code segment
   
9. start:
   
10. mov ax,data
    
11. mov ds,ax
    
12. 
    
13. call fun_change_str
    
14. 
    
15. mov ax,4c00h
    
16. int 21h
    
17. 
    
18. fun_change_str: push cx
    
19. push si
    
20. push bx
    
21. mov bx,offset Nisy
    
22. mov si,0
    
23. mov cx,04h
    
24. 
    
25. s: mov al,[bx+si]
    
26. cmp al,','
    
27. je next
    
28. cmp al,'!'
    
29. je next
    
30. cmp al,' '
    
31. je next
    
32. cmp al,'$'
    
33. je next1
    
34. and al,11011111b
    
35. mov [bx+si],al
    
36. next:
    
37. inc si
    
38. jmp s
    
39. 
    
40. next1: xor si,si
    
41. mov ax,0900h
    
42. mov dx,bx
    
43. int 21h
    
44. add bx,16
    
45. loop s
    
46. end1:pop bx
    
47. pop si
    
48. pop cx
    
49. ret
    
50. 
    
51. code ends
    
52. end start

复制代码

komany

修改版，多谢FBI指教，不仅修改了错误而且使思路更加清晰，不那么罗嗦了

ngm20

写的不错。。