diff --git a/src/display.rs b/src/display.rs
index 73f2a57..b58cf4d 100644
--- a/src/display.rs
+++ b/src/display.rs
@@ -62,6 +62,24 @@ const MONOCHROME_PALETTE: &'static [[u8; 3]; 4] = &[
 ];
 */
 
+#[derive(Copy, Clone, Default)]
+struct DmgPalette(u8);
+impl DmgPalette {
+    fn get_color(self, n: usize) -> sdl2::pixels::Color {
+        const MONOCHROME_PALETTE: &'static [[u8; 3]; 4] = &[
+            [255, 255, 255],
+            [200, 200, 200],
+            [125, 125, 12],
+            [50, 50, 50],
+        ];
+        assert!(n < 4);
+        let c = self.0 >> (2 * n);
+        let n = c & 3;
+        let c = MONOCHROME_PALETTE[n as usize];
+        sdl2::pixels::Color::RGB(c[0], c[1], c[2])
+    }
+}
+
 #[derive(Copy, Clone)]
 struct CgbPalette([u8; 8]);
 impl CgbPalette {
@@ -210,9 +228,9 @@ impl Sprite {
 pub struct Display {
     control: u8,
     status: u8,
-    background_palette: u8,
+    background_palette: DmgPalette,
     // Only 0 and 1 for GB
-    object_palette: [u8; 2],
+    object_palette: [DmgPalette; 2],
     scrollx: u8,
     scrolly: u8,
     windowx: u8,
@@ -266,8 +284,8 @@ impl Display {
         Display {
             control: 0,
             status: 0,
-            background_palette: 0,
-            object_palette: [0u8; 2],
+            background_palette: Default::default(),
+            object_palette: Default::default(),
             scrollx: 0,
             scrolly: 0,
             windowx: 0,
@@ -378,9 +396,9 @@ impl Display {
             0xFF44 => self.curline = 0,
             0xFF45 => self.lyc = val,
             // GB classic
-            0xFF47 => self.background_palette = val,
-            0xFF48 => self.object_palette[0] = val,
-            0xFF49 => self.object_palette[1] = val,
+            0xFF47 => self.background_palette.0 = val,
+            0xFF48 => self.object_palette[0].0 = val,
+            0xFF49 => self.object_palette[1].0 = val,
             // GBC
             0xFF68 => {
                 self.background_palette_index = val & 0b0111_1111;
@@ -451,9 +469,9 @@ impl Display {
             0xFF43 => self.scrollx,
             0xFF44 => self.curline,
             0xFF45 => self.lyc,
-            0xFF47 => self.background_palette,
-            0xFF48 => self.object_palette[0],
-            0xFF49 => self.object_palette[1],
+            0xFF47 => self.background_palette.0,
+            0xFF48 => self.object_palette[0].0,
+            0xFF49 => self.object_palette[1].0,
             0xFF4A => self.windowy,
             0xFF4B => self.windowx,
             0xFF4F => self.vram_bank | 0b1111_1110,