RosettaCodeData/Task/Copy-a-string/X86-Assembly/copy-a-string-1.x86

section .data
    string db "Hello World", 0

section .bss
    string2 resb 12

section .text
global _main
_main:
    mov ecx, 0
    looping:
        mov al, [string + ecx]
        mov [string2 + ecx], al
        inc ecx
        cmp al, 0 ;copy until we find the terminating 0
        je end
        jmp looping
    end:
        xor eax, eax
        ret