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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. 	mov ebx,10
  52. 	cmp eax,ebx
  53. 	je end
  54. 	mov ebx,a2
  55. 	add eax,[ebx]
  56.  
  57. 	leave
  58. 	ret
  59.  
  60.   %define mres dword[ebp-12]
  61.   %define mcount dword[ebp-8]
  62.   %define mbase dword[ebp-4]
  63.  
  64. 	multi:enter 12,0
  65.  
  66.  
  67. 	mov eax,a2
  68. 	mov eax,[eax] ; Empilhando o contador utilizado nas multiplicações
  69. 	mov mcount,eax
  70. 	mov eax,a1
  71. 	mov eax,[eax]
  72. 	cmp eax,0
  73.  
  74. 	jge contmulprep
  75. 	neg eax
  76. 	mov ebx,mcount
  77. 	neg ebx
  78. 	mov mcount,ebx ; Se o contador é negativo, inverte o sinal da base e contador
  79.  
  80. contmulprep:mov mbase,eax ; Empilhando valor da base 
  81. 	mov eax,0
  82. 	mov mres,eax  ; Empilhando  total
  83.  
  84. loopmul:mov ecx,mcount
  85.     cmp ecx,0 
  86. 	jle retmult
  87. 	sub ecx,1 
  88.  
  89. 	mov mcount,ecx  ; atualizando contador
  90. 	mov ebx,mbase
  91. 	mov eax,10
  92. 	cmp mres,eax
  93. 	je retmult
  94. 	mov eax,ebp
  95. 	sub eax,4
  96.  
  97. 	push eax
  98. 	push eax ; Colocando o endereço do valor da base
  99.  
  100. 	call soma
  101.  
  102. 	pop ebx
  103. 	pop ebx ; Descartando os valores originais
  104.  
  105. 	add mres,eax  ; Somando ao resultado
  106.  
  107.  
  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/Q6kjFZ
language:
Assembler 32bit (nasm 2.14)
created:
9 days ago
visibility:
public

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