Leetcode find-the-difference

leetcode.asm

section .text
    global _start

_start:
    mov esi, 0 ; initializer counter
    jmp _loop
    
_loop:
    cmp esi, s_len
    je _print_diff ; prevent overflow s string size
    
    mov al, [s + esi] ; get s[esi]
    mov bl, [t + esi] ; get t[esi]
    
    cmp al, bl ; compare eax == ebx
    je _increment_to_loop ; jump equal to _increment_to_loop
    ; else 
    jmp _print_diff ; jump to _print_diff

_increment_to_loop:
    inc esi
    jmp _loop

_print_diff:
    lea ecx, [t + esi] ; get t[esi]

    mov eax, 4 ; sys_call write
    mov ebx, 1 ; sys_call file stdout
    mov ecx, ecx ; get char at esi index
    mov edx, 0x1 ; set length
    int 0x80 ; call kernel
    
    jmp _exit


_exit:
    mov	eax, 1 ; sys_call exit
    int 0x80 ; call kernel 


section .data
    s: db "abcde", 0
    s_len equ $-s

    t: db "abcdef", 0
    t_len equ $-t