问如何使用NASM在数组中找到最大数字

EN

    section .data

    msg db "Enter the number    :   ",10d,13d
    msglen equ $-msg
    show db "The greatest number is :   ",10d,13d
    showlen equ $-show

    %macro display 2
        mov eax,4
        mov ebx,1
        mov ecx,%1
        mov edx,%2
            int 80h
    %endmacro

    %macro input 2
        mov eax,3
        mov ebx,0
        mov ecx,%1
        mov edx,%2
            int 80h
    %endmacro

    section .bss
          large resd 12
          num   resd    3

    section .text
    global _start
    _start:

    mov esi,num
    mov edi,3

    ; Now taking input  
    nxt_num:
              display msg,msglen
                    input esi,12

              add esi,12
              dec edi
              jnz nxt_num

              mov esi,num
              mov edi,3

    add:      mov eax,[esi]
              jmp check

    next:     add esi,12
              mov ebx,[esi]
              CMP ebx,eax
              jg add

    check:    dec edi       
              jnz next

    mov [large],eax
    display show,showlen
    display large,12    

    ;exit
    mov eax,1
    mov ebx,0 
        int 80h