汇编OR操作符

<pre><code class=”lang-bash”>section .text
global _start ;must be declared for using gcc

_start: ;tell linker entry point
mov al, 5 ;getting 5 in the al
mov bl, 3 ;getting 3 in the bl
or al, bl ;or al and bl registers, result should be 7
add al, byte '0' ;converting decimal to ascii

mov [result], al
mov eax, 4
mov ebx, 1
mov ecx, result
mov edx, 1
int 0x80

outprog:
mov eax,1 ;system call number (sys_exit)
int 0x80 ;call kernel

section .bss
result resb 1
</code></pre>