test

; Generated by toASM
KERN_INT equ 80h
SYS_OUT  equ 4
SYS_IN   equ 3
SYS_EXIT equ 1
STDOUT   equ 1
STDIN    equ 0

section .data

section .bss
_sbuf resb 255
_ibuf resd 1
_vsbuf resd 1
_v0 resd 1		;a
_v1 resd 1		;b

section .text
global _start
_start:
	;read(a)
	mov ecx, _sbuf
	mov edx, 255
	call _read

	call string_to_int
	mov eax, [_ibuf]
	mov [_v0], eax
	;read(b)
	mov ecx, _sbuf
	mov edx, 255
	call _read

	call string_to_int
	mov eax, [_ibuf]
	mov [_v1], eax
	;print(a)
	mov eax, [_v0]
	mov [_ibuf], eax
	call int_to_string
	mov ecx, _sbuf
	mov edx, 255
	call _print
	;print(b)
	mov eax, [_v1]
	mov [_ibuf], eax
	call int_to_string
	mov ecx, _sbuf
	mov edx, 255
	call _print
._exit_point:
	mov eax, SYS_EXIT
	int KERN_INT
; Subroutines
_read:
	push eax
	push ebx
	mov eax, SYS_IN
	mov ebx, STDIN
	int KERN_INT
	dec eax
	mov [_vsbuf], eax
	pop ebx
	pop eax
	ret
string_to_int:
    push ebx
    push ecx
    push edx
    push esi
    push edi
    mov eax, [_vsbuf]
    xor edi, edi
    mov ebx, 0
.loop:
    imul ebx, ebx, 10
    add bl, [_sbuf+edi]
    sub bl, '0'
    inc edi
    cmp edi, eax
    jl .loop
    mov [_ibuf], ebx
    pop edi
    pop esi
    pop edx
    pop ecx
    pop ebx
    ret
_print:
	push eax
	push ebx
	mov eax, SYS_OUT
	mov ebx, STDOUT
	int KERN_INT
	pop ebx
	pop eax
	ret
int_to_string:
    push eax
    push ebx
    push ecx
    push edx
    push esi
    push edi
    mov eax, [_ibuf]
    xor edi, edi
    mov ecx, 10
.ciclo:
    xor edx, edx
    idiv ecx
    add edx, '0'
    mov [_sbuf+edi], dl
    inc edi
    cmp eax, 0
    jg .ciclo
    mov edx, edi
    shr edx, 1
    xor esi, esi
.invert:
    mov al, [_sbuf+esi]
    mov bl, [_sbuf+edi]
    xchg al, bl
    mov [_sbuf+esi], al
    mov [_sbuf+edi], bl
    dec edi
    inc esi
    cmp edi, edx
    jg .invert
    pop edi
    pop esi
    pop edx
    pop ecx
    pop ebx
    pop eax
    ret