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add pawn movegen (untested)

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Bruno Raoult
2024-02-26 19:15:42 +01:00
parent ca4e274957
commit f1a081a7b6
4 changed files with 136 additions and 37 deletions
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19
src/move.h
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@@ -36,13 +36,13 @@
/* move flags */
#define M_FLAGS_BEG 18
#define M_HAS_FLAGS mask(_M_FLAGS_BEG + 0) /* probably unused */
#define M_CAPTURE mask(_M_FLAGS_BEG + 1)
#define M_ENPASSANT mask(_M_FLAGS_BEG + 2)
#define M_PROMOTION mask(_M_FLAGS_BEG + 3)
#define M_CASTLE_K mask(_M_FLAGS_BEG + 4)
#define M_CASTLE_Q mask(_M_FLAGS_BEG + 5)
#define M_CHECK mask(_M_FLAGS_BEG + 6) /* probably unknown/useless */
#define M_HAS_FLAGS mask(M_FLAGS_BEG + 0) /* probably unused */
#define M_CAPTURE mask(M_FLAGS_BEG + 1)
#define M_ENPASSANT mask(M_FLAGS_BEG + 2)
#define M_PROMOTION mask(M_FLAGS_BEG + 3)
#define M_CASTLE_K mask(M_FLAGS_BEG + 4)
#define M_CASTLE_Q mask(M_FLAGS_BEG + 5)
#define M_CHECK mask(M_FLAGS_BEG + 6) /* probably unknown/useless */
#define M_FLAGS (M_CAPTURE | M_ENPASSANT | M_PROMOTION | \
M_CASTLE_K | M_CASTLE_Q | M_CHECK)
@@ -55,6 +55,11 @@ static inline move_t move_make(square_t from, square_t to)
return (to << 3) | from;
}
static inline move_t move_make_promote(square_t from, square_t to, piece_type_t piece)
{
return move_make(from, to) | M_ENPASSANT | (piece << 15);
}
static inline move_t move_from(move_t move)
{
return move & 56;