in_out.asm 174 B

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  1. section .text
  2. global _start
  3. _start:
  4. mov edx,1 ;expect message 1 byte
  5. mov ecx,ecx ;set register?
  6. mov ebx,1 ;std in?
  7. mov eax,3 ;set call sys_read
  8. int 0x80 ;kernel exec