diff --git a/src/lib8/noise.rs b/src/lib8/noise.rs
index 0a04834..d50bbbf 100644
--- a/src/lib8/noise.rs
+++ b/src/lib8/noise.rs
@@ -25,9 +25,9 @@ const fn P(x: u8) -> u8 {
     noise_cube[x as usize]
 }
 
-fn inoise8_raw(x: u16, y: u16) -> u8 {
-    let X: u8 = x.unsigned_shr(8) as u8;
-    let Y: u8 = y.unsigned_shr(8) as u8;
+fn inoise8_raw(x: u16, y: u16) -> i8 {
+    let X: u8 = x.wrapping_shr(8) as u8;
+    let Y: u8 = y.wrapping_shr(8) as u8;
 
     let A: u8 = P(X) + Y;
     let AA: u8 = P(A);
@@ -39,8 +39,8 @@ fn inoise8_raw(x: u16, y: u16) -> u8 {
     let mut u: u8 = x as u8;
     let mut v: u8 = y as u8;
 
-    let xx: i8 = ((x as u8).unsigned_shr(1) & 0x7f) as i8;
-    let yy: i8 = ((y as u8).unsigned_shr(1) & 0x7f) as i8;
+    let xx: i8 = ((x as u8).wrapping_shr(1) & 0x7f) as i8;
+    let yy: i8 = ((y as u8).wrapping_shr(1) & 0x7f) as i8;
     let N: i8 = 0x80u8 as i8;
 
     u = ease8InOutQuad(u);
@@ -49,11 +49,11 @@ fn inoise8_raw(x: u16, y: u16) -> u8 {
     let X1: i8 = lerp7by8(grad8(P(AA), xx, yy), grad8(P(BA), xx.wrapping_sub(N), yy), u);
     let X2: i8 = lerp7by8(grad8(P(AB), xx, yy.wrapping_sub(N)), grad8(P(BB), xx.wrapping_sub(N), yy.wrapping_sub(N)), u);
 
-    return lerp7by8(X1, X2, v) as u8;
+    return lerp7by8(X1, X2, v);
 }
 
 pub fn inoise8(x: i16, y: i16) -> u8 {
-    let mut n: i8 = inoise8_raw(x as u16, y as u16) as i8;
+    let mut n: i8 = inoise8_raw(x as u16, y as u16);
     n = n.wrapping_add(64);
-    return n.saturating_add(n) as u8;
+    return (n as u8).saturating_add(n as u8);
 }