lel.asm

BITS 64
                   
    section .data
    a dd 45
    b dd 6
    msg1 db 'A is bigger', 0xa
    msg2 db 'B is bigger', 0xa
    msg3 db 'A == B', 0xa
    msg1l equ $-msg1
    msg2l equ $-msg2
    msg3l equ $-msg3
    
    
section .text
    global _start
    
_start:          
        mov DWORD eax, a
        mov DWORD ebx, b
        
        cmp eax, ebx
        ja bigger
        cmp eax, ebx
        jb less
        jmp equal
        
bigger:
        mov eax, 4
        mov ebx, 1
        mov ecx, msg1
        mov edx, msg1l
        int 0x80
        jmp endif
less:
        mov eax, 4
        mov ebx, 1
        mov ecx, msg2
        mov edx, msg2l 
        int 0x80
        jmp endif
equal:
        mov eax, 4
        mov ebx, 1
        mov ecx, msg3
        mov edx, msg3l
        int 0x80
        jmp endif
endif:        
        mov eax, 1
        int 0x80