-/// the 32 bits of the data field are so defined
-///
-/// bit 0-16: move
-/// bit 17-19: not used
-/// bit 20-22: value type
-/// bit 23-31: generation
-
-class TTEntry {
-
-public:
- TTEntry() {}
- TTEntry(uint32_t k, Value v, ValueType t, Depth d, Move m, int generation,
- Value statV, Value kingD)
- : key_ (k), data((m & 0x1FFFF) | (t << 20) | (generation << 23)),
- value_(int16_t(v)), depth_(int16_t(d)),
- staticValue_(int16_t(statV)), kingDanger_(int16_t(kingD)) {}
-
- uint32_t key() const { return key_; }
- Depth depth() const { return Depth(depth_); }
- Move move() const { return Move(data & 0x1FFFF); }
- Value value() const { return Value(value_); }
- ValueType type() const { return ValueType((data >> 20) & 7); }
- int generation() const { return (data >> 23); }
- Value static_value() const { return Value(staticValue_); }
- Value king_danger() const { return Value(kingDanger_); }
+/// key: 32 bit
+/// move: 16 bit
+/// bound type: 8 bit
+/// generation: 8 bit
+/// value: 16 bit
+/// depth: 16 bit
+/// static value: 16 bit
+
+struct TTEntry {
+
+ void save(uint32_t k, Value v, Bound b, Depth d, Move m, int g, Value ev) {
+
+ key32 = (uint32_t)k;
+ move16 = (uint16_t)m;
+ bound8 = (uint8_t)b;
+ generation8 = (uint8_t)g;
+ value16 = (int16_t)v;
+ depth16 = (int16_t)d;
+ evalValue = (int16_t)ev;
+ }
+
+ uint32_t key() const { return key32; }
+ Move move() const { return (Move)move16; }
+ Bound bound() const { return (Bound)bound8; }
+ Value value() const { return (Value)value16; }
+ Depth depth() const { return (Depth)depth16; }
+ Value eval_value() const { return (Value)evalValue; }