X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=moves.c;h=64615836afef9a7aa2e43a2b2ee0e1da293a96d7;hb=1a5408e7ee5166a82467e45662eeb6ca914473ed;hp=30f94b583f40bb1c9e5a3faada9cb1668a0f2a9e;hpb=9d4c9573bfe66d04681f0bc4553ec379e7ac1fc4;p=xboard.git

diff --git a/moves.c b/moves.c
index 30f94b5..6461583 100644
--- a/moves.c
+++ b/moves.c
@@ -170,7 +170,7 @@ CopyBoard (Board to, Board from)
 {
     int i, j;
 
-    for (i = 0; i < BOARD_HEIGHT; i++)
+    for (i = 0; i < handSize; i++)
       for (j = 0; j < BOARD_WIDTH; j++)
 	to[i][j] = from[i][j];
     for (j = 0; j < BOARD_FILES; j++) // [HGM] gamestate: copy castling rights and ep status
@@ -809,7 +809,7 @@ GenPseudoLegal (Board board, int flags, MoveCallback callback, VOIDSTAR closure,
 			       rf, ff, rf + 1, ff + s, closure);
 		  }
 		  if (rf >= BOARD_HEIGHT+1>>1) {// [HGM] grand: 4th & 5th rank on 10-board
-		      int victimFile = (board[LAST_FILE] == 100 ? ff + s : board[LAST_FILE]);
+		      int victimFile = (board[LAST_TO] & 0x40 ? ff + s : board[LAST_TO] & 255);
                       if (ff + s >= BOARD_LEFT && ff + s < BOARD_RGHT &&
 			  (board[EP_FILE] == ff + s || epfile == EP_UNKNOWN) && rf < BOARD_HEIGHT-3 &&
                           (board[rf][victimFile] == BlackPawn || board[rf][victimFile] == BlackLance) &&
@@ -860,7 +860,7 @@ GenPseudoLegal (Board board, int flags, MoveCallback callback, VOIDSTAR closure,
 			       rf, ff, rf - 1, ff + s, closure);
 		  }
 		  if (rf < BOARD_HEIGHT>>1) {
-		      int victimFile = (board[LAST_FILE] == 100 ? ff + s : board[LAST_FILE]);
+		      int victimFile = (board[LAST_TO] & 0x40 ? ff + s : board[LAST_TO] & 255);
                       if (ff + s >= BOARD_LEFT && ff + s < BOARD_RGHT &&
 			  (board[EP_FILE] == ff + s || epfile == EP_UNKNOWN) && rf > 2 &&
 			  (board[rf][victimFile] == WhitePawn || board[rf][victimFile] == WhiteLance) &&
@@ -1826,7 +1826,7 @@ LegalDrop (Board board, int flags, ChessSquare piece, int rt, int ft)
 if(appData.debugMode) fprintf(debugFP, "LegalDrop: %d @ %d,%d)\n", piece, ft, rt);
     if(board[rt][ft] != EmptySquare) return ImpossibleMove; // must drop to empty square
     n = PieceToNumber(piece);
-    if((gameInfo.holdingsWidth == 0 || (flags & F_WHITE_ON_MOVE ? board[n][BOARD_WIDTH-1] : board[BOARD_HEIGHT-1-n][0]) != piece)
+    if((gameInfo.holdingsWidth == 0 || (flags & F_WHITE_ON_MOVE ? board[n][BOARD_WIDTH-1] : board[handSize-1-n][0]) != piece)
 	&& gameInfo.variant != VariantBughouse) // in bughouse we don't check for availability, because ICS doesn't always tell us
         return ImpossibleMove; // piece not available
     if(gameInfo.variant == VariantShogi) { // in Shogi lots of drops are forbidden!