* backend.c -- Common back end for X and Windows NT versions of
*
* Copyright 1991 by Digital Equipment Corporation, Maynard,
- * Massachusetts. Enhancements Copyright
- * 1992-2001,2002,2003,2004,2005,2006,2007,2008,2009 Free Software
- * Foundation, Inc.
+ * Massachusetts.
+ *
+ * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
+ * 2007, 2008, 2009 Free Software Foundation, Inc.
+ *
+ * Enhancements Copyright 2005 Alessandro Scotti
*
* The following terms apply to Digital Equipment Corporation's copyright
* interest in XBoard:
/* [HGM] convert drag-and-drop piece drops to standard form */
if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
- fromX = boards[currentMove][fromY][fromX];
+ if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
+ moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
+// fromX = boards[currentMove][fromY][fromX];
+ // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
+ if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
+ fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
+ while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
fromY = DROP_RANK;
}