str terminal_namespace = "/dev/term/0";
str new_line = "\n";

function main () {
	int result;
	int str_n;

	load_immediate 35 -> result;
	call fib (result) -> result;
	int_to_string result -> str_n;
	call pln (str_n);
	exit 0;
}

function fib (int n) {
	int result;
	load_immediate 2 -> result;

	jump_lt_int base_case n result;

	int two;
	int tmp_n;
	int result_a;
	int result_b;

	load_immediate 2 -> two;
	sub_int n two -> tmp_n;
	call fib (tmp_n) -> result_a;

	int one;
	load_immediate 1 -> one;
	sub_int n one -> tmp_n;
	call fib (tmp_n) -> result_b;

	add_int result_b result_a -> result;
	return result;

	else base_case;
	return n;
}

function pln (str message) {
	ptr term;
	int msg_length;
	str nl;
	int nl_length;
	int mode;
	str term_ns;

	load_immediate 0 -> mode;
	load_address terminal_namespace -> term_ns;
	syscall OPEN term_ns mode term;
	string_length message -> msg_length;
	syscall WRITE term message msg_length;
	load_address new_line -> nl;
	string_length nl -> nl_length;
	syscall WRITE term nl nl_length;
	return;
}