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  1. ;%include "io.mac"
  2. section .data
  3. hello db 'Hello World!'
  4.  
  5. section .text
  6. 	global _start
  7.  
  8. _start:
  9. 	;GetLInt eax
  10. 	;GetLInt ebx
  11. 	mov eax,10
  12. 	mov ebx,5
  13.  
  14. 	push eax
  15. 	push ebx
  16.  
  17. 	mov ebx,esp 
  18. 	mov eax,esp 
  19. 	add eax,4
  20.  
  21. 	push ebx
  22. 	push eax
  23.  
  24. 	call multi
  25.  
  26. 	pop ebx
  27. 	pop ebx
  28.  
  29. 	mov ebx,50
  30.  
  31. failed: cmp eax,ebx
  32. 	je failed
  33.  
  34. 	;PutLInt eax
  35. 	push eax         
  36. 	mov eax,4
  37. 	mov ebx,1 
  38. 	mov ecx,ebp 
  39. 	mov edx,1
  40.  
  41. end: mov eax,1            
  42. 	mov ebx,0            
  43. 	int 80h;
  44.  
  45. 	%define a1 dword [ebp+8]
  46. 	%define a2 dword [ebp+12]
  47.  
  48. 	soma:enter 0,0
  49. 	mov eax,a1
  50. 	mov eax,[eax]
  51. 	cmp eax,0
  52. 	je end
  53. 	mov ebx,a2
  54. 	add eax,[ebx]
  55.  
  56. 	leave
  57. 	ret
  58.  
  59.   %define mres dword[ebp-12]
  60.   %define mcount dword[ebp-8]
  61.   %define mbase dword[ebp-4]
  62.  
  63. 	multi:enter 12,0
  64.  
  65.  
  66. 	mov eax,a2
  67. 	mov eax,[eax] ; Empilhando o contador utilizado nas multiplicações
  68. 	mov mcount,eax
  69. 	mov eax,a1
  70. 	mov eax,[eax]
  71. 	cmp eax,0
  72.  
  73. 	jge contmulprep
  74. 	neg eax
  75. 	mov ebx,mcount
  76. 	neg ebx
  77. 	mov mcount,ebx ; Se o contador é negativo, inverte o sinal da base e contador
  78.  
  79. contmulprep:mov mbase,eax ; Empilhando valor da base 
  80. 	mov eax,0
  81. 	mov mres,eax  ; Empilhando  total
  82.  
  83. loopmul:mov ecx,mcount
  84.     cmp ecx,0 
  85. 	jle retmult
  86. 	sub ecx,1 
  87.  
  88. 	mov mcount,ecx  ; atualizando contador
  89. 	mov ebx,mbase
  90. 	mov eax,10
  91. 	cmp mres,eax
  92. 	je retmult
  93.  
  94. 	mov eax,ebp
  95. 	sub eax,4 ; base
  96. 	push eax 
  97.  
  98. 	mov eax,ebp
  99. 	sub eax,12	; resultado
  100. 	push eax ; Colocando o endereço do valor do resultado
  101.  
  102. 	call soma
  103.  
  104. 	pop ebx
  105. 	pop ebx ; Descartando os valores originais
  106.  
  107. 	mov mres,eax  ; copiando para o resultado
  108.  
  109. 	mov eax,4
  110. 	mov ebx,1 
  111. 	mov ecx,hello 
  112. 	mov edx,12
  113. 	int 80h
  114.  
  115. 	jmp loopmul
  116.  
  117. 	retmult:
  118. 	mov eax,mres
  119. 	leave
  120. 	ret
Success #stdin #stdout 0s 5320KB
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https://ideone.com/CV0OWt
language:
Assembler 32bit (nasm 2.14)
created:
9 days ago
visibility:
public

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