NASM/transpose.asm at master · nikhilsojan/NASM · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
section .data
space : db ' '
newline : db 10
section .bss
matrix: resw 100
i: resw 2
j: resw 2
m: resw 2
n: resw 2
num: resw 10
counter2: resd 2
temp: resb 2
nod: resb 2
counter1: resd 2
section .txt
global _start
_start:
call read_num
mov dx,word[num]
mov word[m],dx
call read_num
mov dx,word[num]
mov word[n],dx
mov word[i],0
mov word[j],0
mov eax,0
read_matrix:
mov ebx,matrix
call read_num
mov dx,word[num]
mov word[ebx + 2*eax],dx
inc eax
inc word[j]
mov dx,word[n]
cmp word[j],dx
jb read_matrix
inc word[i]
mov word[j],0
mov dx,word[m]
cmp word[i],dx
jb read_matrix
mov eax,0
mov word[i],0
mov word[j],0
mov dword[counter1],0
mov dword[counter2],0
i_loop:
mov ebx,matrix
mov eax,dword[counter1]
mov dx,word[ebx +2*eax]
mov word[num],dx
call print_num
pusha
mov eax,4
mov ebx,1
mov ecx,space
mov edx,1
int 80h
popa
movzx eax,word[n]
add dword[counter1],eax
inc word[i]
mov dx,word[m]
cmp word[i],dx
jb i_loop
pusha
mov eax,4
mov ebx,1
mov ecx,newline
mov edx,1
int 80h
popa
mov word[i],0
inc word[j]
inc dword[counter2]
mov eax,dword[counter2]
mov dword[counter1],eax
mov dx,word[n]
cmp word[j],dx
jb i_loop
mov eax,1
mov ebx,0
int 80h
read_num:
pusha
mov word[num],0
loop_read:
mov eax,3
mov ebx,0
mov ecx,temp
mov edx,1
int 80h
cmp byte[temp],10
je end_read
mov ax,word[num]
mov bx,10
mul bx
sub byte[temp],30h
movzx bx,byte[temp]
add ax,bx
mov word[num],ax
jmp loop_read
end_read:
popa
ret
print_num:
pusha
mov byte[nod],0
extract_num:
mov ax,word[num]
mov bx,10
mov dx,0
div bx
push dx
inc byte[nod]
mov word[num],ax
cmp ax,0
jne extract_num
print_no:
cmp byte[nod],0
je end_print
pop dx
dec byte[nod]
mov byte[temp],dl
add byte[temp],30h
mov eax,4
mov ebx,1
mov ecx,temp
mov edx,1
int 80h
jmp print_no
end_print:
popa
ret