-
Notifications
You must be signed in to change notification settings - Fork 0
/
CALCULADORA.asm
265 lines (196 loc) · 4.15 KB
/
CALCULADORA.asm
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
extern read_int
extern int_to_string
extern find_length
extern SUBTRACAO
extern DIVISAO
extern MULTIPLICACAO
extern SOMA
extern EXPONENCIACAO
extern MOD
global precision
global write_output
global read_input
section .data
bem_vindo db 'Bem-vindo. Digite seu nome: '
bem_vindo_len EQU $-bem_vindo
hola db 'Hola, '
hola_len EQU $-hola
bem_vindo2 db ', bem-vindo ao programa de CALC IA-32',00Dh, 0Ah,
bem_vindo2_len EQU $-bem_vindo2
precision_question db 'Vai trabalhar com 16 ou 32 bits (digite 0 para 16, e 1 para 32):'
precision_question_len EQU $-precision_question
menu db 'ESCOLHA UMA OPÇÃO:',00Dh, 0Ah,'- 1: SOMA',00Dh, 0Ah,'- 2: SUBTRACAO',00Dh, 0Ah,'- 3: MULTIPLICACAO',00Dh, 0Ah,'- 4: DIVISAO',00Dh, 0Ah,'- 5: EXPONENCIACAO',00Dh, 0Ah,'- 6: MOD',00Dh, 0Ah,'- 7: SAIR',00Dh, 0Ah,
menu_len EQU $-menu
section .bss
user_name resb 16
user_name_len resd 1
precision resb 1
op_option resb 1
section .text
global _start
_start:
call print_welcome
call get_name
call print_hola
call print_name
call print_welcome2
call print_precision_question
call get_precison
call handle_menu
exit: ; Encerra programa
mov eax, 1
mov ebx, 0
int 80h
write_output:
; Imprime uma string que foi passada pela pilha por parâmetro, com seu tamanho empilhado em seguida
enter 0,0
mov eax, 4
mov ebx, 1
mov ecx, [EBP+12]
mov edx, [EBP+8]
int 80h
leave
ret
read_input:
enter 0,0
mov eax, 3
mov ebx, 0
mov ecx, [EBP+12]
mov edx, [EBP+8]
int 80h
leave
ret
print_welcome:
enter 0,0
push DWORD bem_vindo
push DWORD bem_vindo_len
call write_output
leave
ret
get_name:
enter 0,0
push DWORD user_name
push DWORD 16
call read_input
; Limpa a quebra de linha
dec eax
mov BYTE [user_name+eax], 0
mov [user_name_len], eax
leave
ret
print_hola:
enter 0,0
push DWORD hola
push DWORD hola_len
call write_output
leave
ret
print_name:
enter 0,0
push DWORD user_name
push DWORD user_name_len
call write_output
leave
ret
print_welcome2:
enter 0,0
push DWORD bem_vindo2
push DWORD bem_vindo2_len
call write_output
leave
ret
print_precision_question:
enter 0,0
push DWORD precision_question
push DWORD precision_question_len
call write_output
leave
ret
get_precison:
enter 0,0
push DWORD precision
push DWORD 2
call read_input
leave
ret
print_menu:
enter 0,0
push DWORD menu
push DWORD menu_len
call write_output
leave
ret
get_option:
enter 0,0
push DWORD op_option
push DWORD 2
call read_input
leave
ret
handle_menu:
enter 0,0
call print_menu
call get_option
cmp BYTE [op_option], '1'
je case_soma
cmp BYTE [op_option], '2'
je case_subtracao
cmp BYTE [op_option], '3'
je case_multiplicacao
cmp BYTE [op_option], '4'
je case_divisao
cmp BYTE [op_option], '5'
je case_exponenciacao
cmp BYTE [op_option], '6'
je case_mod
cmp BYTE [op_option], '7'
je exit
leave
ret
case_soma:
call SOMA
push DWORD eax
call find_length
push DWORD eax
call write_output
jmp wait_for_enter
case_subtracao:
call SUBTRACAO
push DWORD eax
call find_length
push DWORD eax
call write_output
jmp wait_for_enter
case_multiplicacao:
call MULTIPLICACAO
push DWORD eax
call find_length
push DWORD eax
call write_output
jmp wait_for_enter
case_divisao:
call DIVISAO
push DWORD eax
call find_length
push DWORD eax
call write_output
jmp wait_for_enter
case_exponenciacao:
call EXPONENCIACAO
push DWORD eax
call find_length
push DWORD eax
call write_output
jmp wait_for_enter
case_mod:
call MOD
push DWORD eax
call find_length
push DWORD eax
call write_output
jmp wait_for_enter
wait_for_enter:
push DWORD eax
push DWORD 1
call read_input
jmp handle_menu