section .text
	global _start
		
	_print:
		mov ebx, 1
		mov eax, 4
		int 0x80
		ret
			
	_get_input:
		mov edx, 4
		mov ebx, 0
		mov eax, 3
		int 0x80
		ret
		
	_start:
		mov edx, in_val_len
		mov ecx, in_val_msg
		call _print
		mov ecx, a
		call _get_input
		;make 'a' an actual number rather than a char.
		sub dword [a], 0x30
		mov edx, in_val_len
		mov ecx, in_val_msg
		call _print
		mov ecx, b
		call _get_input
		;calc real number for 'b'
		sub dword [b], 0x30
		mov eax, dword [a]
		mov ebx, dword [b]
		add eax, ebx
		;get the character for our sum.
		add eax, 0x30
		mov dword [sum], eax
		mov edx, out_val_len
		mov ecx, out_val_msg
		call _print
		mov [sum+1], dword 0xa
		mov edx, 4
		mov ecx, sum
		call _print
		push 0x1
		mov eax, 1
		push eax
		int 0x80
		ret
		
section .data
in_val_msg	db "Please input an integer:",0
in_val_len	equ $-in_val_msg
out_val_msg db "The sum of a+b is: ",0
out_val_len	equ $-out_val_msg

section .bss
a    			resd 1
b				resd 1
sum			resd 1