Compiler Explorer

Source code

section .data
    hello:     db 'Hello world!',10
    helloLen:  equ $-hello
    hello1:    db '1',10
    helloLen1: equ $-hello1
    hello2:    db '2',10
    helloLen2: equ $-hello2
    hello3:    db '3',10
    helloLen3: equ $-hello3
    hello4:    db '4',10
    helloLen4: equ $-hello4
    hello5:    db '5',10
    helloLen5: equ $-hello5
    hello6:    db '6',10
    helloLen6: equ $-hello6
    hello7:    db '7',10
    helloLen7: equ $-hello7
    hello8:    db '8',10
    helloLen8: equ $-hello8
    hello9:    db '9',10
    helloLen9: equ $-hello9
    hello10:    db '10',10
    helloLen10: equ $-hello10

section .text
    global _start

_start:

mov rcx, 0
    mov rbx, 0
loop_start:
    cmp rcx, 0
    je _print0
    cmp rcx, 1
    je _print1
    cmp rcx, 2
    je _print2
    jmp chck1

_print:
    ;push rcx
    mov eax,4
    mov ebx,1
    mov edx,ecx
    mov ecx,esi
    int 0x80
    ;pop rcx
    ret

_print0:
    push rcx
    mov esi, hello  
    mov ecx, helloLen  
    call _print
    pop rcx
    jmp chck1

_print1:
    push rcx
    mov esi, hello1
    mov ecx, helloLen1  
    call _print
    pop rcx
    ;int 80h
    jmp chck1

_print2:
    push rcx
    mov esi, hello2
    mov ecx, helloLen2  
    call _print
    pop rcx
    jmp chck1

chck1:
    inc rcx
    cmp rcx, 4
    jne loop_start
    je _exit

_exit:
    mov eax,1
    xor ebx,ebx
    int 80h