diff --git a/snake/src/main.rs b/snake/src/main.rs
index 9e20f13..e7492ce 100644
--- a/snake/src/main.rs
+++ b/snake/src/main.rs
@@ -83,34 +83,45 @@ fn main() -> Result<(), anyhow::Error> {
     let mut apple = random_tile();
 
     loop {
-        let pressed_keys = keyboard.scan_pressed_keys()?;
-        dbg!(&pressed_keys);
-        for key in pressed_keys {
-            let new_direction = match key {
-                cardputer_bsc::keyboard::KeyImprint::SemiColon => (0, -1),
-                cardputer_bsc::keyboard::KeyImprint::Comma => (-1, 0),
-                cardputer_bsc::keyboard::KeyImprint::Period => (0, 1),
-                cardputer_bsc::keyboard::KeyImprint::Slash => (1, 0),
-                _ => continue,
-            };
-            match (snake_tiles.get(0), snake_tiles.get(1)) {
-                (Some(&first), Some(&second)) => {
-                    let disallowed_direction = (
-                        (second.0 - first.0).rem(GRID_WIDTH),
-                        (second.1 - first.1).rem(GRID_HEIGHT),
-                    );
-                    dbg!(disallowed_direction);
-                    if disallowed_direction != new_direction {
+        for _ in 0..10 {
+            let pressed_keys = keyboard.scan_pressed_keys()?;
+            dbg!(&pressed_keys);
+            for key in pressed_keys {
+                let new_direction = match key {
+                    cardputer_bsc::keyboard::KeyImprint::SemiColon => (0, -1),
+                    cardputer_bsc::keyboard::KeyImprint::Comma => (-1, 0),
+                    cardputer_bsc::keyboard::KeyImprint::Period => (0, 1),
+                    cardputer_bsc::keyboard::KeyImprint::Slash => (1, 0),
+                    _ => continue,
+                };
+                match (snake_tiles.get(0), snake_tiles.get(1)) {
+                    (Some(&first), Some(&second)) => {
+                        let mut disallowed_direction = (
+                            (second.0 - first.0).rem(GRID_WIDTH),
+                            (second.1 - first.1).rem(GRID_HEIGHT),
+                        );
+                        if disallowed_direction.0 == GRID_WIDTH - 1 {
+                            disallowed_direction.0 = -1;
+                        } else if disallowed_direction.0 == 1 - GRID_WIDTH {
+                            disallowed_direction.0 = 1;
+                        } else if disallowed_direction.1 == GRID_HEIGHT - 1 {
+                            disallowed_direction.1 = -1;
+                        } else if disallowed_direction.1 == 1 - GRID_HEIGHT {
+                            disallowed_direction.1 = 1;
+                        }
+                        dbg!(disallowed_direction);
+                        if disallowed_direction != new_direction {
+                            direction = new_direction;
+                        }
+                    }
+                    _ => {
                         direction = new_direction;
                     }
                 }
-                _ => {
-                    direction = new_direction;
-                }
             }
-        }
 
-        sleep(Duration::from_millis(200));
+            sleep(Duration::from_millis(20));
+        }
 
         let front_file = *snake_tiles.get(0).unwrap();