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

function main ()
	int n $0;
	int str_n $1;

	load_immediate 35 -> n;
	call fib n -> n;
	int_to_string n -> str_n;
	call pln str_n -> void;
	exit 0;

function fib (int n $0)
	load_immediate 2 -> $1;

	jump_lt_int base_case n $1;

	load_immediate 2 -> $3;
	sub_int n $3 -> $4;
	call fib $4 -> $5;

	load_immediate 1 -> $3;
	sub_int n $3 -> $4;
	call fib $4 -> $6;

	add_int $6 $5 -> $7;
	return $7;

	else base_case;
	return n;

function pln (str message $0)
	str ts $1;
	int mode $5;
	int msg_length $2;
	str nl $3;
	int nl_length $4;

	load_immediate terminal_namespace -> ts;
	load_immediate 0 -> mode;
	syscall OPEN ts mode -> ts;
	string_length message -> msg_length;
	syscall WRITE ts message msg_length;
	load_immediate new_line -> nl;
	string_length nl -> nl_length;
	syscall WRITE ts nl nl_length;
	return;