From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Tue, 16 Nov 2010 10:15:52 +0000 (+0100)
Subject: Remember promotion char in game history
X-Git-Tag: 4.8Q~18
X-Git-Url: http://winboard.nl/cgi-bin?p=fairymax.git;a=commitdiff_plain;h=a470951095b2ab90dbe7c256d42546b60d63299f

Remember promotion char in game history

Undo did not work when there were under-promotions in the game.
---

diff --git a/fairymax.c b/fairymax.c
index 3a89dd5..bb842da 100644
--- a/fairymax.c
+++ b/fairymax.c
@@ -68,10 +68,10 @@ int StartKey;
 #endif
 
 /* make unique integer from engine move representation */
-#define PACK_MOVE 256*K + L;
+#define PACK_MOVE 256*K + L + (PromPiece << 16);
 
 /* convert intger argument back to engine move representation */
-#define UNPACK_MOVE(A) K = (A)>>8 & 255; L = (A) & 255;
+#define UNPACK_MOVE(A) K = (A)>>8 & 255; L = (A) & 255; PromPiece = (A)>>16 & 255;
 
 /* Global variables visible to engine. Normally they */
 /* would be replaced by the names under which these  */