1 files changed, 7 insertions, 4 deletions
diff --git a/src/displayapp/screens/Twos.h b/src/displayapp/screens/Twos.h
index 5a0c4350..4a6ada0b 100644
--- a/src/displayapp/screens/Twos.h
+++ b/src/displayapp/screens/Twos.h
@@ -26,11 +26,14 @@ namespace Pinetime {
 
         lv_obj_t* scoreText;
         lv_obj_t* gridDisplay;
-        TwosTile grid[4][4];
+        static constexpr int nCols = 4;
+        static constexpr int nRows = 4;
+        static constexpr int nCells = nCols * nRows;
+        TwosTile grid[nRows][nCols];
         unsigned int score = 0;
-        void updateGridDisplay(TwosTile grid[][4]);
-        bool tryMerge(TwosTile grid[][4], int& newRow, int& newCol, int oldRow, int oldCol);
-        bool tryMove(TwosTile grid[][4], int newRow, int newCol, int oldRow, int oldCol);
+        void updateGridDisplay();
+        bool tryMerge(int newRow, int newCol, int oldRow, int oldCol);
+        bool tryMove(int newRow, int newCol, int oldRow, int oldCol);
         bool placeNewTile();
       };
     }