Author: Gopikrishna
Date: 06:23:10 06/06/04
In the following code,
piecebd=WhiteQueens;
while (piecebd) {
from=LastOne(piecebd);
moves=AttacksQueen(from);
temp=from+(queen<<12);
while (moves) {
to=LastOne(moves);
move_list[i++]=temp+to<<6;
Clear(to,moves);
}
Clear(from,piecebd);
}
We are generating moves that queen attacks from the "from" square.But later we
are calculating some temp and then later adding it with "to" to create move
list.Why are we doing this? Also I dont follow why we are doing queen<<12 and
to<<6.The code is in http://www.cis.uab.edu/info/faculty/hyatt/bitmaps.html
Thanks.
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