bits 32
 
section .data
    num1 dd 100         ; Делимое
    num2 dd 10          ; Делитель
    msg db "Quotient (lower byte): 0x", 0
    newline db 10
 
section .bss
    hex_digit resb 2
 
section .text
    global _start
 
_start:
    ; Загружаем числа в регистры
    mov eax, [num1]     ; EAX = num1 (делимое)
    mov ebx, [num2]     ; EBX = num2 (делитель)
 
    ; Делим числа (беззнаковое деление)
    xor edx, edx        ; EDX:EAX = делимое (64 bit). EDX - high part, EAX - low part
    div ebx             ; EAX = EAX / EBX (частное), EDX = EAX % EBX (остаток)
 
    ; Получаем младший байт частного и преобразуем в hex
    mov al, al
    and al, 0x0F
 
    cmp al, 0x0A
    jl is_digit
    add al, 0x37
    jmp save_digit
 
is_digit:
    add al, 0x30
 
save_digit:
    mov [hex_digit], al
    mov byte [hex_digit+1], 0
 
    ; Выводим сообщение и результат
    mov eax, 4           ; sys_write
    mov ebx, 1           ; stdout
    mov ecx, msg         ; message address
    mov edx, 24          ; message length
    int 0x80
 
    mov eax, 4
    mov ebx, 1
    mov ecx, hex_digit
    mov edx, 1
    int 0x80
; Выводим новую строку
    mov eax, 4
    mov ebx, 1
    mov ecx, newline
    mov edx, 1
    int 0x80
 
    ; Выход
    mov eax, 1           ; sys_exit
    xor ebx, ebx
    int 0x80
 

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