-/// bit 0-16: move
-/// bit 17-20: not used
-/// bit 21-22: value type
-/// bit 23-31: generation
-
-class TTEntry {
-
-public:
- void save(uint32_t k, Value v, ValueType t, Depth d, Move m, int g, Value statV, Value kd) {
-
- key32 = k;
- data = (m & 0x1FFFF) | (t << 21) | (g << 23);
- value16 = int16_t(v);
- depth16 = int16_t(d);
- staticValue = int16_t(statV);
- staticValueMargin = int16_t(kd);
- }
- void set_generation(int g) { data = move() | (type() << 21) | (g << 23); }
-
- uint32_t key() const { return key32; }
- Depth depth() const { return Depth(depth16); }
- Move move() const { return Move(data & 0x1FFFF); }
- Value value() const { return Value(value16); }
- ValueType type() const { return ValueType((data >> 21) & 3); }
- int generation() const { return data >> 23; }
- Value static_value() const { return Value(staticValue); }
- Value static_value_margin() const { return Value(staticValueMargin); }
+/// key 16 bit
+/// move 16 bit
+/// value 16 bit
+/// eval value 16 bit
+/// generation 6 bit
+/// bound type 2 bit
+/// depth 8 bit
+
+struct TTEntry {
+
+ Move move() const { return (Move )move16; }
+ Value value() const { return (Value)value16; }
+ Value eval() const { return (Value)eval16; }
+ Depth depth() const { return (Depth)(depth8 * int(ONE_PLY)); }
+ Bound bound() const { return (Bound)(genBound8 & 0x3); }
+ void save(Key k, Value v, Bound b, Depth d, Move m, Value ev);