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  1. section .data
  2.     arr     dw 10, 25, 33, 47, 78
  3.     len     equ ($ - arr) / 2
  4.     msg     db "Результат: ", 0
  5.  
  6. section .bss
  7.     buffer  resb 20
  8.  
  9. section .text
  10.     global _start
  11.  
  12. _start:
  13.     movsx eax, word [arr]
  14.     movsx ebx, word [arr + (len - 1) * 2]
  15.     sub   eax, ebx
  16.  
  17.     mov   rdi, msg
  18.     call  print_string
  19.  
  20.     mov   rdi, rax
  21.     call  print_int
  22.  
  23.     mov   rdi, 10
  24.     call  print_char
  25.  
  26.     mov   rax, 60
  27.     xor   rdi, rdi
  28.     syscall
  29.  
  30. print_string:
  31.     push rax
  32.     push rbx
  33.     push rcx
  34.     push rdx
  35.     mov rcx, rdi
  36.     xor rdx, rdx
  37. .strlen_loop:
  38.     cmp byte [rcx + rdx], 0
  39.     je .got_len
  40.     inc rdx
  41.     jmp .strlen_loop
  42. .got_len:
  43.     mov rax, 1
  44.     mov rdi, 1
  45.     mov rsi, rcx
  46.     syscall
  47.     pop rdx
  48.     pop rcx
  49.     pop rbx
  50.     pop rax
  51.     ret
  52.  
  53. print_char:
  54.     push rax
  55.     push rdi
  56.     mov [buffer], dil
  57.     mov rax, 1
  58.     mov rdi, 1
  59.     mov rsi, buffer
  60.     mov rdx, 1
  61.     syscall
  62.     pop rdi
  63.     pop rax
  64.     ret
  65.  
  66. print_int:
  67.     push rax
  68.     push rbx
  69.     push rcx
  70.     push rdx
  71.     push rdi
  72.  
  73.     mov eax, edi
  74.  
  75.     cmp eax, 0
  76.     jge .positive
  77.  
  78.     mov dil, '-'
  79.     call print_char
  80.     neg eax
  81.  
  82. .positive:
  83.     mov ebx, 10
  84.     mov ecx, buffer + 19
  85.     mov byte [ecx], 0
  86.     dec ecx
  87.  
  88. .digit_loop:
  89.     xor edx, edx
  90.     div ebx
  91.     add dl, '0'
  92.     mov [ecx], dl
  93.     dec ecx
  94.     test eax, eax
  95.     jnz .digit_loop
  96.  
  97.     mov rdi, rcx
  98.     inc rdi
  99.     call print_string
  100.  
  101.     pop rdi
  102.     pop rdx
  103.     pop rcx
  104.     pop rbx
  105.     pop rax
  106.     ret
Success #stdin #stdout 0s 5304KB
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Standard input is empty
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Результат: -68
https://ideone.com/QhIf22
language:
Assembler 64bit (nasm 2.14)
created:
6 days ago
visibility:
public

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