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rename few macros to lowercase, add M_DPUSH move flag

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Bruno Raoult
2024-03-19 18:29:02 +01:00
parent 8527c3dee1
commit 49705bc707
6 changed files with 59 additions and 28 deletions
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9
src/move-gen.c
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@@ -159,6 +159,7 @@ movelist_t *pos_all_legal(const pos_t *pos, movelist_t *dest)
* - castling: M_CASTLE_{K,Q}
* - pawn capture (incl. en-passant): M_CAPTURE
* en-passant: M_EN_PASSANT
* - pawn double push: M_DPUSH
* - promotion: M_PROMOTION
* - promotion and capture
*
@@ -232,8 +233,8 @@ int pos_gen_pseudomoves(pos_t *pos)
}
/* pawn: relative rank and files */
bitboard_t rel_rank7 = us == WHITE ? RANK_7bb : RANK_2bb;
bitboard_t rel_rank3 = us == WHITE ? RANK_3bb : RANK_6bb;
bitboard_t rel_rank7 = bb_rel_rank(RANK_7, us);
bitboard_t rel_rank3 = bb_rel_rank(RANK_3, us);
/* pawn: ranks 2-6 push 1 and 2 squares */
movebits = pawn_shift_up(pos->bb[us][PAWN] & ~rel_rank7, us) & empty;
@@ -246,7 +247,7 @@ int pos_gen_pseudomoves(pos_t *pos)
movebits = pawn_shift_up(movebits & rel_rank3, us) & empty;
bit_for_each64(to, tmp1, movebits) {
from = pawn_push_up(pawn_push_up(to, them), them);
moves[nmoves++] = move_make(from, to);
moves[nmoves++] = move_make_flags(from, to, M_DPUSH);
}
/* pawn: ranks 2-6 captures left */
@@ -307,7 +308,7 @@ int pos_gen_pseudomoves(pos_t *pos)
/* castle - Attention ! Castling flags are assumed correct
*/
if (!pos->checkers) {
bitboard_t rel_rank1 = BB_REL_RANK(RANK_1, us);
bitboard_t rel_rank1 = bb_rel_rank(RANK_1, us);
from = pos->king[us];
square_t from_square[2] = { E1, E8 }; /* verify king is on E1/E8 */
bug_on(CAN_CASTLE(pos->castle, us) && from != from_square[us]);