From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Tue, 24 Apr 2012 12:57:12 +0000 (+0200)
Subject: Recognize drop moves as illegal move
X-Git-Tag: 4.8S~18
X-Git-Url: http://winboard.nl/cgi-bin?p=fairymax.git;a=commitdiff_plain;h=8f1df62f9ff3091a9d2677b9e0417c50ca863ca2

Recognize drop moves as illegal move

An @-sign as second character now makes Fairy-Max recognize the input
as a move, so that the Illegal-move response is given rather than the
Unknown-command response. It is not really checked if the encoding of
the drop move accidentally coincide with that of a legal move.
---

diff --git a/fairymax.c b/fairymax.c
index 931099a..91fe48d 100644
--- a/fairymax.c
+++ b/fairymax.c
@@ -884,7 +884,7 @@ int main(int argc, char **argv)
                 GT = (Side == WHITE ? piecetype : blacktype)[line[4]&31];
                 if(GT) PromPiece = (Side == WHITE ? 7 : 7+pm) - GT, GT |= 32 + Side;
                 {char *c=line; K=c[0]-16*c[1]+799;L=c[2]-16*c[3]+799; }
-                if (m)
+                if (m & line[1] != '@')
                         /* doesn't have move syntax */
 			printf("Error (unknown command): %s\n", command);
                 else { int i=-1;