Rev 154 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 154 | Rev 156 | ||
|---|---|---|---|
| Line 76... | Line 76... | ||
| 76 | for (piece = pawn; piece <= king; piece++) |
76 | for (piece = pawn; piece <= king; piece++) |
| 77 | if ((temp = Pieces(wtm, piece) & attacks)) |
77 | if ((temp = Pieces(wtm, piece) & attacks)) |
| 78 | break; |
78 | break; |
| 79 | if (piece > king) |
79 | if (piece > king) |
| 80 | break; |
80 | break; |
| 81 | toccupied ^= (temp & |
81 | toccupied ^= (temp & (0-temp)); // Pierre-Marie Baty -- signedness fix |
| 82 | if (piece & 1) |
82 | if (piece & 1) |
| 83 | attacks |= BishopAttacks(target, toccupied) & bsliders; |
83 | attacks |= BishopAttacks(target, toccupied) & bsliders; |
| 84 | if (piece != king && piece & 4) |
84 | if (piece != king && piece & 4) |
| 85 | attacks |= RookAttacks(target, toccupied) & rsliders; |
85 | attacks |= RookAttacks(target, toccupied) & rsliders; |
| 86 | see_list[nc] = -see_list[nc - 1] + attacked_piece; |
86 | see_list[nc] = -see_list[nc - 1] + attacked_piece; |
| Line 147... | Line 147... | ||
| 147 | for (piece = pawn; piece <= king; piece++) |
147 | for (piece = pawn; piece <= king; piece++) |
| 148 | if ((temp = Pieces(wtm, piece) & attacks)) |
148 | if ((temp = Pieces(wtm, piece) & attacks)) |
| 149 | break; |
149 | break; |
| 150 | if (piece > king) |
150 | if (piece > king) |
| 151 | return 0; |
151 | return 0; |
| 152 | toccupied ^= (temp & |
152 | toccupied ^= (temp & (0-temp)); // Pierre-Marie Baty -- signedness fix |
| 153 | if (piece & 1) |
153 | if (piece & 1) |
| 154 | attacks |= BishopAttacks(target, toccupied) & bsliders; |
154 | attacks |= BishopAttacks(target, toccupied) & bsliders; |
| 155 | if (piece != king && piece & 4) |
155 | if (piece != king && piece & 4) |
| 156 | attacks |= RookAttacks(target, toccupied) & rsliders; |
156 | attacks |= RookAttacks(target, toccupied) & rsliders; |
| 157 | attacked_piece = pcval[piece]; |
157 | attacked_piece = pcval[piece]; |
| Line 175... | Line 175... | ||
| 175 | for (piece = pawn; piece <= king; piece++) |
175 | for (piece = pawn; piece <= king; piece++) |
| 176 | if ((temp = Pieces(wtm, piece) & attacks)) |
176 | if ((temp = Pieces(wtm, piece) & attacks)) |
| 177 | break; |
177 | break; |
| 178 | if (piece > king) |
178 | if (piece > king) |
| 179 | break; |
179 | break; |
| 180 | toccupied ^= (temp & |
180 | toccupied ^= (temp & (0-temp)); // Pierre-Marie Baty -- signedness fix |
| 181 | if (piece & 1) |
181 | if (piece & 1) |
| 182 | attacks |= BishopAttacks(target, toccupied) & bsliders; |
182 | attacks |= BishopAttacks(target, toccupied) & bsliders; |
| 183 | if (piece != king && piece & 4) |
183 | if (piece != king && piece & 4) |
| 184 | attacks |= RookAttacks(target, toccupied) & rsliders; |
184 | attacks |= RookAttacks(target, toccupied) & rsliders; |
| 185 | see_list[nc] = -see_list[nc - 1] + attacked_piece; |
185 | see_list[nc] = -see_list[nc - 1] + attacked_piece; |