diff --git a/Makefile b/Makefile
index f39b581..85a99b6 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 NAME = so_long
 SRCS = src/
 INCLUDES = includes/
-CODE = main error env input \
+CODE = main error env input timedloop \
 		data_assets data_sprites \
 		display1 display2 display_utils sprite \
 		room room_utils object
diff --git a/dev/map.md b/dev/map.md
index 60d09fa..5d55507 100644
--- a/dev/map.md
+++ b/dev/map.md
@@ -1,3 +1,5 @@
+/!\ NEEDS UPDATE
+
 data\_assets
 - `NB_ASSETS`
 - `t_assetinfo`
diff --git a/includes/env.h b/includes/env.h
index cc5b7b1..e361158 100644
--- a/includes/env.h
+++ b/includes/env.h
@@ -6,7 +6,7 @@
 /*   By: mcolonna <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/02/26 15:26:13 by mcolonna          #+#    #+#             */
-/*   Updated: 2024/03/26 13:20:06 by mcolonna         ###   ########.fr       */
+/*   Updated: 2024/03/26 15:48:24 by mcolonna         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,6 +19,7 @@
 # define WINDOW_WIDTH 600
 # define WINDOW_HEIGHT 400
 # define WINDOW_TITLE "undretale"
+# define FPS 10
 
 typedef struct s_env
 {
diff --git a/includes/timedloop.h b/includes/timedloop.h
new file mode 100644
index 0000000..3d14f9f
--- /dev/null
+++ b/includes/timedloop.h
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   timedloop.h                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: mcolonna <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/03/26 15:02:16 by mcolonna          #+#    #+#             */
+/*   Updated: 2024/03/26 15:02:50 by mcolonna         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef TIMEDLOOP_H
+# define TIMEDLOOP_H
+
+void	timedloop(void (*f)(void));
+
+#endif
diff --git a/src/main.c b/src/main.c
index c4462a3..18d2d54 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,7 +6,7 @@
 /*   By: mcolonna <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/02/26 15:28:34 by mcolonna          #+#    #+#             */
-/*   Updated: 2024/03/26 13:26:58 by mcolonna         ###   ########.fr       */
+/*   Updated: 2024/03/26 15:59:54 by mcolonna         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,6 +17,7 @@
 #include "data_assets.h"
 #include "room.h"
 #include "input.h"
+#include "timedloop.h"
 #include <X11/Xlib.h>
 
 int	expose_hook(void)
@@ -32,9 +33,20 @@ int	close_hook(void)
 	return (0);
 }
 
+static bool	g_tac = false;
+
+static void	loop(void)
+{
+	if (g_tac)
+		print_line(err, 1, " tac");
+	else
+		print_line(err, 1, "tic");
+	g_tac = !g_tac;
+}
+
 int	loop_hook(void)
 {
-	tf_printf("%i %i %i %i\n", g_env.up, g_env.down, g_env.left, g_env.right);
+	timedloop(loop);
 	return (0);
 }
 
diff --git a/src/timedloop.c b/src/timedloop.c
new file mode 100644
index 0000000..a5228ef
--- /dev/null
+++ b/src/timedloop.c
@@ -0,0 +1,41 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   timedloop.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: mcolonna <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/03/26 14:54:49 by mcolonna          #+#    #+#             */
+/*   Updated: 2024/03/26 15:51:04 by mcolonna         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <time.h>
+#include "env.h"
+
+static long	get_nanos(void)
+{
+	struct timespec	ts;
+
+	timespec_get(&ts, TIME_UTC);
+	return ((long)ts.tv_sec * 1000000000L + ts.tv_nsec);
+}
+
+void	timedloop(void (*f)(void))
+{
+	static long	last_time = 0;
+	const long	new_time = get_nanos();
+	static bool	checked = false;
+
+	if (new_time - last_time >= 1000000000L / FPS)
+	{
+		if (checked)
+			last_time += 1000000000L / FPS;
+		else
+			last_time = new_time;
+		checked = false;
+		f();
+	}
+	else
+		checked = true;
+}