Implement (inaccessible) dark squares

[xboard.git] / moves.c

diff --git a/moves.c b/moves.c
index 8cd3434..e6e8e1a 100644 (file)
--- a/moves.c
+++ b/moves.c
@@ -98,7 +98,7 @@ SameColor (ChessSquare piece1, ChessSquare piece2)
             (int) piece2 <  (int) EmptySquare);
 }
 #else
-#define SameColor(piece1, piece2) (piece1 < EmptySquare && piece2 < EmptySquare && (piece1 < BlackPawn) == (piece2 < BlackPawn))
+#define SameColor(piece1, piece2) (piece1 < EmptySquare && piece2 < EmptySquare && (piece1 < BlackPawn) == (piece2 < BlackPawn) || piece1 == DarkSquare || piece2 == DarkSquare)
 #endif
 
 char pieceToChar[] = {