X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=a9b95a0ab86d0f7181be901e68907dfe60339fe8;hp=b9964971ddb19fa4cfeb485c3abc6cd6900247b7;hb=e56342ed002b2d567fbecd2e4432b881f1b244bc;hpb=304deb5e833baf47c147e93377f5c7ef582ab822

diff --git a/src/types.h b/src/types.h
index b9964971..a9b95a0a 100644
--- a/src/types.h
+++ b/src/types.h
@@ -79,8 +79,8 @@ const bool Is64Bit = false;
 typedef uint64_t Key;
 typedef uint64_t Bitboard;
 
-const int MAX_MOVES      = 256;
-const int MAX_PLY        = 256;
+const int MAX_MOVES      = 192;
+const int MAX_PLY        = 100;
 const int MAX_PLY_PLUS_2 = MAX_PLY + 2;
 
 const Bitboard FileABB = 0x0101010101010101ULL;
@@ -136,6 +136,11 @@ enum CastleRight {
   ALL_CASTLES  = 15
 };
 
+enum CastlingSide {
+  KING_SIDE,
+  QUEEN_SIDE
+};
+
 enum ScaleFactor {
   SCALE_FACTOR_DRAW   = 0,
   SCALE_FACTOR_NORMAL = 64,
@@ -327,7 +332,7 @@ inline Color operator~(Color c) {
 }
 
 inline Square operator~(Square s) {
-  return Square(s ^ 56);
+  return Square(s ^ 56); // Vertical flip SQ_A1 -> SQ_A8
 }
 
 inline Value mate_in(int ply) {
@@ -354,7 +359,7 @@ inline Square make_square(File f, Rank r) {
   return Square((r << 3) | f);
 }
 
-inline bool square_is_ok(Square s) {
+inline bool is_ok(Square s) {
   return s >= SQ_A1 && s <= SQ_H8;
 }
 
@@ -367,7 +372,7 @@ inline Rank rank_of(Square s) {
 }
 
 inline Square mirror(Square s) {
-  return Square(s ^ 7);
+  return Square(s ^ 7); // Horizontal flip SQ_A1 -> SQ_H1
 }
 
 inline Square relative_square(Color c, Square s) {