X-Git-Url: http://winboard.nl/cgi-bin?p=uci2wb.git;a=blobdiff_plain;f=UCI2WB.c;h=77b671b7b633cefba7715f06e5f0076b82ec0635;hp=c6eb94960bce870a672ea9a578fed0c769bc1d0c;hb=d4c964cc8830407dbc9efa12a1d50e4ce48b711a;hpb=d16786b3fc9f28a8d3a0f38a2b8158ab7381e232

diff --git a/UCI2WB.c b/UCI2WB.c
index c6eb949..77b671b 100644
--- a/UCI2WB.c
+++ b/UCI2WB.c
@@ -1,66 +1,180 @@
 /************************* UCI2WB by H.G.Muller ****************************/
 
-#define VERSION "1.5"
+#define VERSION "2.0"
 
 #include <stdio.h>
-#include <windows.h>
-#include <io.h>
+#include <stdlib.h>
+#ifdef WIN32
+#  include <windows.h>
+#  include <io.h>
+   HANDLE process;
+   DWORD thread_id;
+#else
+#  include <pthread.h>
+#  include <signal.h>
+#  define NO_ERROR 0
+#  include <sys/time.h>
+   int GetTickCount() // with thanks to Tord
+   { struct timeval t; gettimeofday(&t, NULL); return t.tv_sec*1000 + t.tv_usec/1000; }
+#endif
 #include <fcntl.h>
-
-#ifdef _MSC_VER 
-#define SLEEP() Sleep(1) 
-#else 
-#define SLEEP() usleep(10) 
-#endif 
+#include <string.h>
 
 // Set VARIANTS for in WinBoard variant feature. (With -s option this will always be reset to use "shogi".)
 #  define VARIANTS "normal,xiangqi"
 
+#define DPRINT if(debug) printf
+
 #define WHITE 0
 #define BLACK 1
 #define NONE  2
 #define ANALYZE 3
 
-char move[2000][10], checkOptions[8192], iniPos[256], hashOpt[20], pause, pondering, ponder, post, hasHash, c, sc='c', *suffix;
-int mps, tc, inc, stime, depth, myTime, hisTime, stm, computer = NONE, memory, oldMem=0, cores, moveNr, lastDepth, lastScore, startTime;
-int statDepth, statScore, statNodes, statTime, currNr, size; char currMove[20]; // for analyze mode
+char move[2000][10], checkOptions[8192], iniPos[256], hashOpt[20], pause, pondering, suspended, ponder, post, hasHash, c, sc='c', *suffix, *variants;
+int mps, tc, inc, sTime, depth, myTime, hisTime, stm, computer = NONE, memory, oldMem=0, cores, moveNr, lastDepth, lastScore, startTime, debug;
+int statDepth, statScore, statNodes, statTime, currNr, size, collect, nr, sm, inex, on[500];
+char currMove[20], moveMap[500][10], /* for analyze mode */ canPonder[20], threadOpt[20];
+char board[100];  // XQ board for UCCI
+char *nameWord = "name ", *valueWord = "value ", *wTime = "w", *bTime = "b", *wInc = "winc", *bInc = "binc", newGame; // keywords that differ in UCCI
+int unit = 1, drawOffer;
 
-FILE *toE, *fromE;
-HANDLE process;
+FILE *toE, *fromE, *fromF;
 int pid;
-DWORD thread_id;
+
+#ifdef WIN32
+WinPipe(HANDLE *hRd, HANDLE *hWr)
+{
+  SECURITY_ATTRIBUTES saAttr;
+
+  /* Set the bInheritHandle flag so pipe handles are inherited. */
+  saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
+  saAttr.bInheritHandle = TRUE;
+  saAttr.lpSecurityDescriptor = NULL;
+
+  /* Create a pipe */
+  return CreatePipe(hRd, hWr, &saAttr, 0);
+}
+#endif
+
+#define INIT 0
+#define WAKEUP 1
+#define PAUSE 2
+
+void
+Sync (int action)
+{
+#ifdef WIN32
+	static HANDLE hWr, hRd; DWORD d; char c;
+	switch(action) {
+	    case INIT:   WinPipe(&hRd, &hWr); break;
+	    case WAKEUP: WriteFile(hWr, "\n", 1, &d, NULL); break;
+	    case PAUSE:  ReadFile(hRd, &c, 1, &d, NULL);
+	}
+#else
+	static int syncPipe[2];	char c;
+	switch(action) {
+	    case INIT:   pipe(syncPipe); break;
+	    case WAKEUP: write(syncPipe[1], "\n", 1); break;
+	    case PAUSE:  read(syncPipe[0], &c, 1);
+	}
+#endif
+}
+
+void
+FromFEN(char *fen)
+{	int i=0;
+	while(*fen) {
+	    char c = *fen++;
+	    if(c >= 'A') board[i++] = c; else
+	    if(c == '/') i++; else
+	    if(c == ' ') break; else
+	    while(c-- > '0' && i < 99) board[i++] = 0;
+	    if(i >= 99) break;
+	}
+}
+
+char *
+ToFEN(int stm)
+{
+	int i, n=0; static char fen[200]; char *p = fen;
+	for(i=0; i<99; i++) {
+	    char c = board[i];
+	    if(c >= 'A')  { if(n) *p++ = '0' + n; n = 0;  *p++ = c; } else n ++;
+	    if(i%10 == 8) { if(n) *p++ = '0' + n; n = -1; *p++ = '/'; }
+	}
+	sprintf(p-1, " %c - - 0 1", stm);
+	return fen;
+}
+
+int
+Sqr(char *m, int j)
+{
+	int n = m[j] - 'a' + 10*('9' - m[j+1]);
+	if(n < 0) n = 0; else if(n > 99) n = 99; return n;
+}
+
+int
+Play(int nr)
+{
+	int i, last = -1;
+	FromFEN(iniPos + 4); // in XQ iniPos always has just "fen " prefix
+	for(i=0; i<nr; i++) {
+	    int from=Sqr(move[i], 0), to=Sqr(move[i], 2);
+	    if(board[to]) last = i;
+	    board[to] = board[from]; board[from] = 0;
+	}
+	return last;
+}
 
 void
 StartSearch(char *ponder)
 {	// send the 'go' command to engine. Suffix by ponder.
-	int nr = moveNr + (ponder[0] != 0); // we ponder for one move ahead!
-	fprintf(toE, "\ngo btime %d wtime %d", stm == BLACK ^ sc=='s' ? myTime : hisTime, stm == WHITE ^ sc=='s' ? myTime : hisTime);
-	printf(    "\n# go btime %d wtime %d", stm == BLACK ^ sc=='s' ? myTime : hisTime, stm == WHITE ^ sc=='s' ? myTime : hisTime);
-	if(stime > 0) fprintf(toE, " movetime %d", stime),printf(" movetime %d", stime); else
-	if(mps) fprintf(toE, " movestogo %d", mps*(nr/(2*mps)+1)-nr/2),printf(" movestogo %d", mps*(nr/(2*mps)+1)-nr/2);
-	if(inc && !suffix) fprintf(toE, " winc %d binc %d", inc, inc),printf(" winc %d binc %d", inc, inc);
-	if(depth > 0) fprintf(toE, " depth %d", depth),printf(" depth %d", depth);
-        if(suffix) fprintf(toE, suffix, inc),printf(suffix, inc);
-	fprintf(toE, "%s\n", ponder);
-	printf("%s\n", ponder);
+	int x = (ponder[0] != 0);                   // during ponder stm is the opponent
+	int black = (stm == BLACK ^ x ^ sc == 's'); // set if our color is what the engine calls black
+	int nr = moveNr + x;                        // we ponder for one move ahead!
+	if(sc == 'x') black = 1; else drawOffer = 0;// in UCCI 'black' refers to us and 'white' to opponent
+	if(!x && drawOffer) ponder = " draw", drawOffer = 0; //pass draw offer only when not pondering
+	fprintf(toE, "\ngo%s %stime %d %stime %d", ponder, bTime, black ? myTime : hisTime, wTime, !black ? myTime : hisTime);
+	DPRINT(    "\n# go%s %stime %d %stime %d", ponder, bTime, black ? myTime : hisTime, wTime, !black ? myTime : hisTime);
+	if(sTime > 0) { fprintf(toE, " movetime %d", sTime); DPRINT(" movetime %d", sTime); } else
+	if(mps) { fprintf(toE, " movestogo %d", mps*(nr/(2*mps)+1)-nr/2); DPRINT(" movestogo %d", mps*(nr/(2*mps)+1)-nr/2); }
+	if(inc && !suffix) { fprintf(toE, " %s %d %s %d", wInc, inc, bInc, inc); DPRINT(" %s %d %s %d", wInc, inc, bInc, inc); }
+	if(depth > 0) { fprintf(toE, " depth %d", depth); DPRINT(" depth %d", depth); }
+        if(suffix) { fprintf(toE, suffix, inc); DPRINT(suffix, inc); }
+	fprintf(toE, "\n"); DPRINT("\n");
 }
 
 void
 StopPonder(int pondering)
 {
 	if(!pondering) return;
-	pause = 1;
-	fprintf(toE, "stop\n");printf("# stop\n"); // note: 'pondering' remains set until engine acknowledges 'stop' with 'bestmove'
-	while(pause) SLEEP(); // wait for engine to acknowledge 'stop' with 'bestmove'.
+	pause = 2;
+	fprintf(toE, "stop\n"); fflush(toE); DPRINT("# stop\n"); // note: 'pondering' remains set until engine acknowledges 'stop' with 'bestmove'
+	Sync(PAUSE); // wait for engine to acknowledge 'stop' with 'bestmove'.
 }
 
 void
 LoadPos(int moveNr)
 {
-	int j;
-	fprintf(toE, "%s moves", iniPos);
-	printf(    "# %s moves", iniPos);
-	for(j=0; j<moveNr; j++) fprintf(toE, " %s", move[j]),printf(" %s", move[j]);
+	int j, lastCapt = 0; char *pos = iniPos, buf[200], stm;
+	if(sc == 'x') { // UCCI: send only reversible moves
+	    lastCapt = Play(moveNr); // find last capture (returns -1 if none!)
+	    Play(++lastCapt);        // reconstruct board after last capture
+	    stm = (!strstr(iniPos+4, " b ") ^ lastCapt & 1 ? 'w' :  'b');
+	    sprintf(buf, "position fen %s", ToFEN(stm)); pos = buf; // send it as FEN (with "position" in UCCI!)
+	}
+	fprintf(toE, "%s moves", pos);
+	DPRINT(    "# %s moves", pos);
+	for(j=lastCapt; j<moveNr; j++) { fprintf(toE, " %s", move[j]); DPRINT(" %s", move[j]); }
+}
+
+void
+StartPonder()
+{
+	if(!move[moveNr][0]) return; // no ponder move
+	LoadPos(moveNr+1);
+	pondering = 1; lastDepth = 1;
+	StartSearch(" ponder");
 }
 
 char *Convert(char *pv)
@@ -77,63 +191,92 @@ char *Convert(char *pv)
 }
 
 void
+Move4GUI(char *m)
+{
+    if(sc == 's') {
+      // convert USI move to WB format
+      m[2] = 'a'+'0'+size - m[2];
+      m[3] = 'a'+'0'+size - m[3];
+      if(m[1] == '*') { // drop
+	m[1] = '@';
+      } else {
+	m[0] = 'a'+'0'+size - m[0];
+	m[1] = 'a'+'0'+size - m[1];
+	if((stm == WHITE ? (m[1]>'0'+size-size/3 || m[3]>'0'+size-size/3)
+                                : (m[1] <= '0'+size/3 || m[3] <= '0'+size/3)) && m[4] != '+')
+	     m[4] = '=', m[5] = 0;
+      }
+    }
+}
+
+int
+GetChar()
+{
+    int c;
+    if(fromF) {
+	if((c = fgetc(fromF)) != EOF) return c;
+	fclose(fromF); fromF = 0; printf("# end fake\n");
+    }
+    return fgetc(fromE);
+}
+
+void *
 Engine2GUI()
 {
     char line[1024], command[256];
 
+    if(fromF = fopen("DefectiveEngineOptions.ini", "r")) printf("# fake engine input\n");
     while(1) {
-	int i=0, x; char *p;
+	int i=0, x; char *p, dummy;
 
 	fflush(stdout); fflush(toE);
-	while((line[i] = x = fgetc(fromE)) != EOF && line[i] != '\n') i++;
+	while((line[i] = x = GetChar()) != EOF && line[i] != '\n') i++;
 	line[++i] = 0;
 	if(x == EOF) exit(0);
-printf("# engine said: %s", line);
-	sscanf(line, "%s", command);
+	DPRINT("# engine said: %s", line), fflush(stdout);
+	if(sscanf(line, "%s", command) != 1) continue;
 	if(!strcmp(command, "bestmove")) {
-	    if(pause) { pondering = pause = 0; continue; } // bestmove was reply to ponder miss or analysis result; ignore.
+	    if(pause) { pondering = pause = 0; Sync(WAKEUP); continue; } // bestmove was reply to ponder miss or analysis result; ignore.
+	    else if(pondering) { pondering = 0; printf("%d 0 0 0 UCI violation! Engine moves during ponder\n", lastDepth+1); continue; } // ignore ponder search
 	    // move was a move to be played
+	    if(p = strstr(line+8, " draw")) *p = 0, printf("offer draw\n"); // UCCI
 	    if(strstr(line+9, "resign")) { printf("resign\n"); computer = NONE; }
 	    if(strstr(line+9, "(none)") || strstr(line+9, "null") ||
 	       strstr(line+9, "0000")) { printf("%s\n", lastScore < -99999 ? "resign" : "1/2-1/2 {stalemate}"); computer = NONE; }
 	    sscanf(line, "bestmove %s", move[moveNr++]);
 	    myTime -= (GetTickCount() - startTime)*1.02 + inc; // update own clock, so we can give correct wtime, btime with ponder
-	    if(mps && ((moveNr+1)/2) % mps == 0) myTime += tc; if(stime) myTime = stime; // new session or move starts
+	    if(mps && ((moveNr+1)/2) % mps == 0) myTime += tc; if(sTime) myTime = sTime; // new session or move starts
+	    stm = WHITE+BLACK - stm;
 	    // first start a new ponder search, if pondering is on and we have a move to ponder on
 	    if(p = strstr(line+9, "ponder")) {
+	      sscanf(p+7, "%s", move[moveNr]);
 	      if(computer != NONE && ponder) {
-		sscanf(p+7, "%s", move[moveNr]);
-printf("# ponder on %s\n", move[moveNr]);
-		LoadPos(moveNr+1); // load position
-		// and set engine pondering
-		pondering = 1; lastDepth = 1;
-		StartSearch(" ponder");
+		DPRINT("# ponder on %s\n", move[moveNr]);
+		StartPonder();
 	      }
 	      p[-1] = '\n'; *p = 0; // strip off ponder move
-	    }
-	    if(sc == 's') {
-	      // convert USI move to WB format
-	      line[11] = 'a'+'0'+size - line[11];
-	      line[12] = 'a'+'0'+size - line[12];
-	      if(line[10] == '*') { // drop
-		line[10] = '@';
-	      } else {
-		line[9]  = 'a'+'0'+size - line[9];
-		line[10] = 'a'+'0'+size - line[10];
-		if((stm == WHITE ? (line[10]>'0'+size-size/3 || line[12]>'0'+size-size/3)
-                                 : (line[10] <= '0'+size/3 || line[12] <= '0'+size/3)) && line[13] != '+')
-		     line[13] = '=', line[14] = 0;
-	      }
-	    }
+	    } else move[moveNr][0] = 0;
+	    Move4GUI(line+9);
 	    printf("move %s\n", line+9); // send move to GUI
-	    if(lastScore == 100001 && iniPos[0] != 'f') { printf("%s {mate}\n", stm == WHITE ? "1-0" : "0-1"); computer = NONE; }
-	    stm = WHITE+BLACK - stm;
+	    if(lastScore == 100001 && iniPos[0] != 'f') { printf("%s {mate}\n", stm == BLACK ? "1-0" : "0-1"); computer = NONE; }
 	}
 	else if(!strcmp(command, "info")) {
 	    int d=0, s=0, t=0, n=0;
 	    char *pv;
+	    if(sscanf(line+5, "string times @ %c", &dummy) == 1) { printf("# %s", line+12); continue; }
+	    if(collect && (pv = strstr(line+5, "currmove "))) {
+		if(p = strstr(line+5, "currmovenumber ")) {
+		    n = atoi(p+15);
+		    if(collect == 1 && n != 1) continue; // wait for move 1
+		    if(collect + (n == 1) > 2) { // done collecting
+			if(inex && collect == 2) printf("%d 0 0 0 OK to exclude\n", lastDepth);
+			collect = 3; continue;
+		    }
+		    collect = 2; on[nr=n] = 1; sscanf(pv+9, "%s", moveMap[n]); continue; // store move
+		}
+	    }
 	    if(!post) continue;
-	    if(strstr(line, "info string ") == line) printf("%d 0 0 0 %s", lastDepth, line+12); else {
+	    if(sscanf(line+5, "string %c", &dummy) == 1) printf("%d 0 0 0 %s", lastDepth, line+12); else {
 		if(p = strstr(line+4, " depth "))      sscanf(p+7, "%d", &d), statDepth = d;
 		if(p = strstr(line+4, " score cp "))   sscanf(p+10, "%d", &s), statScore = s; else
 		if(p = strstr(line+4, " score mate ")) sscanf(p+12, "%d", &s), s += s>0 ? 100000 : -100000, statScore = s; else
@@ -153,12 +296,16 @@ printf("# ponder on %s\n", move[moveNr]);
 	    if(p = strstr(line+6, " min "))  sscanf(p+1, "min %d", &min), *p = '\n';
 	    if(p = strstr(line+6, " max "))  sscanf(p+1, "max %d", &max), *p = '\n';
 	    if(p = strstr(line+6, " default "))  sscanf(p+1, "default %[^\n]*", val), *p = '\n';
-	    if(p = strstr(line+6, " name ")) sscanf(p+1, "name %[^\n]*", name);
-	    if(!strcmp(name, "Hash") || !strcmp(name, "USI_Hash")) {
+	    if(!(p = strstr(line+6, " name "))) p = line+1; sscanf(p+6, "%[^\n]", name); // 'name' is omitted in UCCI
+	    if(!strcasecmp(name, "Threads")) { strcpy(threadOpt, name); continue; }
+	    if(!strcasecmp(name, "Ponder") || !strcasecmp(name, "USI_Ponder")) { strcpy(canPonder, name); continue; }
+	    if(!strcasecmp(name, "Hash") || !strcasecmp(name, "USI_Hash") || !strcasecmp(name, "hashsize")) {
 		memory = oldMem = atoi(val); hasHash = 1; 
 		strcpy(hashOpt, name);
 		continue;
 	    }
+	    if(!strcasecmp(name, "newgame") && !strcmp(type, "button")) { newGame++; continue; }
+	    if(!strcasecmp(name, "usemillisec")) { unit = (!strcmp(val, "false") ? 2 : 1); continue; }
 	    // pass on engine-defined option as WB option feature
 	    if(!strcmp(type, "filename")) type[4] = 0;
 	    sprintf(buf, "feature option=\"%s -%s", name, type); q = buf + strlen(buf);
@@ -181,97 +328,123 @@ printf("# ponder on %s\n", move[moveNr]);
 	}
 	else if(!strcmp(command, "id")) {
 	    char name[256];
-	    if(sscanf(line, "id name %s", name) == 1) printf("feature myname=\"%s (U%cI2WB)\"\n", name, sc-32);
+	    if(sscanf(line, "id name %[^\n]", name) == 1) printf("feature myname=\"%s (U%cI2WB)\"\n", name, sc-32);
+	}
+	else if(!strcmp(command, "readyok")) { pause = 0; Sync(WAKEUP); } // resume processing of GUI commands
+	else if(sc == 'x'&& !strcmp(command, "ucciok") || sscanf(command, "u%ciok", &c)==1 && c==sc) {
+	    printf("feature smp=1 memory=%d done=1\n", hasHash);
+	    if(unit == 2) unit = 1, fprintf(toE, "setoption usemillisec true\n");
+	    Sync(WAKEUP); // done with options
 	}
-	else if(!strcmp(command, "readyok")) pause = 0; // resume processing of GUI commands
-	else if(sscanf(command, "u%ciok", &c)==1 && c==sc)   printf("feature smp=1 memory=%d done=1\n", hasHash); // done with options
+    }
+}
+
+void
+Move4Engine(char *m)
+{
+    if(sc == 's') {
+      // convert input move to USI format
+      if(m[1] == '@') { // drop
+	m[1] = '*';
+      } else {
+	m[0] = 'a'+'0'+size - m[0];
+	m[1] = 'a'+'0'+size - m[1];
+      }
+      m[2] = 'a'+'0'+size - m[2];
+      m[3] = 'a'+'0'+size - m[3];
+      if(m[4] == '=') m[4] = 0; // no '=' in USI format!
+      else if(m[4]) m[4] = '+'; // cater to WB 4.4 bug :-(
     }
 }
 
 void
 GUI2Engine()
 {
-    char line[256], command[256], *p, *q;
+    char line[256], command[256], *p, *q, *r;
 
     while(1) {
 	int i, x;
 
-	if(computer == stm || computer == ANALYZE) {
-printf("# start search\n");
-	    LoadPos(moveNr); // load position
+	if((computer == stm || computer == ANALYZE) && !suspended) {
+	    DPRINT("# start search\n");
+	    LoadPos(moveNr); fflush(stdout); // load position
 	    // and set engine thinking (note USI swaps colors!)
 	    startTime = GetTickCount();
-	    if(computer == ANALYZE) fprintf(toE, "\ngo infinite\n"), printf("\ngo infinite\n");
-	    else StartSearch("");
+	    if(computer == ANALYZE) {
+		fprintf(toE, "\ngo infinite"); DPRINT("\n# go infinite");
+		if(sm & 1) { // some moves are disabled
+		    fprintf(toE, " searchmoves"); DPRINT(" searchmoves");
+		    for(i=1; i<nr; i++) if(on[i]) { fprintf(toE, " %s", moveMap[i]); DPRINT(" %s", moveMap[i]); }
+		}
+		fprintf(toE, "\n"); DPRINT("\n");
+	    // code for searchmoves goes here
+	    } else StartSearch("");
 	}
       nomove:
 	fflush(toE); fflush(stdout);
 	i = 0; while((x = getchar()) != EOF && (line[i] = x) != '\n') i++;
-	line[++i] = 0; if(x == EOF) { printf("# EOF\n"); exit(-1); }
+	line[++i] = 0; if(x == EOF) { printf("# EOF\n"); fprintf(toE, "quit\n"); exit(-1); }
 	sscanf(line, "%s", command);
-	while(pause) SLEEP(); // wait for readyok
 	if(!strcmp(command, "new")) {
-	    computer = BLACK; moveNr = 0; depth = -1;
+	    computer = BLACK; moveNr = 0; depth = -1; move[0][0] = 0;
 	    stm = WHITE; strcpy(iniPos, "position startpos");
-	    if(memory != oldMem && hasHash) fprintf(toE, "setoption name %s value %d\n", hashOpt, memory);
+	    if(memory != oldMem && hasHash) fprintf(toE, "setoption name %s %s%d\n", hashOpt, valueWord, memory);
 	    oldMem = memory;
 	    // we can set other options here
+	    if(sc == 'x') { if(newGame) fprintf(toE, "setoption newgame\n"); } else // optional in UCCI
+	    fprintf(toE, "u%cinewgame\n", sc); fflush(toE);
 	    pause = 1; // wait for option settings to take effect
-	    fprintf(toE, "isready\n");
-	    fprintf(toE, "u%cinewgame\n", sc);
+	    fprintf(toE, "isready\n"); fflush(toE);
+	    Sync(PAUSE); // wait for readyok
 	}
 	else if(!strcmp(command, "usermove")) {
-	    if(sc == 's') {
-	      // convert input move to USI format
-	      if(line[10] == '@') { // drop
-		line[10] = '*';
-	      } else {
-		line[9]  = 'a'+'0'+size - line[9];
-		line[10] = 'a'+'0'+size - line[10];
-	      }
-	      line[11] = 'a'+'0'+size - line[11];
-	      line[12] = 'a'+'0'+size - line[12];
-	      if(line[13] == '=') line[13] = 0; // no '=' in USI format!
-	      else if(line[13] != '\n') line[13] = '+'; // cater to WB 4.4 bug :-(
-	    }
 	    sscanf(line, "usermove %s", command); // strips off linefeed
-	    stm = WHITE+BLACK - stm;
+	    Move4Engine(command);
+	    stm = WHITE+BLACK - stm; collect = (computer == ANALYZE); sm = 0;
 	    // when pondering we either continue the ponder search as normal search, or abort it
 	    if(pondering || computer == ANALYZE) {
 		if(pondering && !strcmp(command, move[moveNr])) { // ponder hit
+		    char *draw = drawOffer ? " draw" : ""; drawOffer = 0;
 		    pondering = 0; moveNr++; startTime = GetTickCount(); // clock starts running now
-		    fprintf(toE, "ponderhit\n"); printf("# ponderhit\n");
+		    fprintf(toE, "ponderhit%s\n", draw); DPRINT("# ponderhit%s\n", draw);
 		    goto nomove;
 		}
 		StopPonder(1);
 	    }
-	    sscanf(line, "usermove %s", move[moveNr++]); // possibly overwrites ponder move
+	    strcpy(move[moveNr++], command); // possibly overwrites ponder move
 	}
 	else if(!strcmp(command, "level")) {
 	    int sec = 0;
 	    sscanf(line, "level %d %d:%d %d", &mps, &tc, &sec, &inc) == 4 ||
 	    sscanf(line, "level %d %d %d", &mps, &tc, &inc);
-	    tc = (60*tc + sec)*1000; inc *= 1000; stime = 0;
+	    tc = (60*tc + sec)*1000; inc *= 1000; sTime = 0; tc /= unit; inc /= unit;
 	}
 	else if(!strcmp(command, "option")) {
 	    char name[80], *p;
+	    if(sscanf(line+7, "UCI2WB debug output=%d", &debug) == 1) ; else
 	    if(p = strchr(line, '=')) {
 		*p++ = 0;
 		if(strstr(checkOptions, line+7)) sprintf(p, "%s\n", atoi(p) ? "true" : "false");
-		fprintf(toE, "setoption name %s value %s", line+7, p), printf("# setoption name %s value %s", line+7, p);
-	    } else fprintf(toE, "setoption name %s\n", line+7), printf("# setoption name %s\n", line+7);
+		fprintf(toE, "setoption name %s value %s", line+7, p); DPRINT("# setoption %s%s %s%s", nameWord, line+7, valueWord, p);
+	    } else { fprintf(toE, "setoption %s%s\n", nameWord, line+7); DPRINT("# setoption %s%s\n", nameWord, line+7); }
 	}
 	else if(!strcmp(command, "protover")) {
-	    printf("feature variants=\"%s\" setboard=1 usermove=1 debug=1 reuse=0 done=0\n", sc=='s' ? "shogi,5x5+5_shogi" : VARIANTS);
-	    fprintf(toE, "u%ci\n", sc); // this prompts UCI engine for options
+	    if(!variants) variants = sc=='s' ? "shogi,5x5+5_shogi" : VARIANTS;
+	    printf("feature variants=\"%s\" setboard=1 usermove=1 debug=1 ping=1 reuse=0 exclude=1 pause=1 done=0\n", variants);
+	    printf("feature option=\"UCI2WB debug output -check %d\"\n", debug);
+	    fprintf(toE, sc == 'x' ? "ucci\n" : "u%ci\n", sc); fflush(toE); // prompt UCI engine for options
+	    Sync(PAUSE); // wait for uciok
 	}
 	else if(!strcmp(command, "setboard")) {
-		if(strstr(line+9, " b ")) stm = BLACK;
-                if(sc == 's' && (p = strchr(line+9, '['))) { char c;
-                    *p++ = ' '; q = strchr(p, ']'); c = 'w' + 'b' - q[2]; strcpy(q+2, " 1\n"); while(*--q != ' ') q[2] = *q; *p = c; p[1] = ' '; 
-                }
-		sprintf(iniPos, "%s%sfen %s", iniPos[0]=='p' ? "position " : "", sc=='s' ? "s" : "", line+9);
-		iniPos[strlen(iniPos)-1] = 0;
+		stm = (strstr(line+9, " b ") ? BLACK : WHITE);
+                if(p = strchr(line+9, '[')) { char c;
+                    *p++ = 0; q = strchr(p, ']'); *q = 0; r = q + 4; 
+		    if(sc == 's') q[2] = 'w' + 'b' - q[2], strcpy(r=q+3, " 1\n"); // Shogi: reverse color
+		    else r = strchr(strchr(q+4, ' ') + 1, ' '); // skip to second space (after e.p. square)
+		    *r = 0; sprintf(command, "%s%s %s %s", line+9, q+1, p, r+1);
+                } else strcpy(command, line+9);
+		sprintf(iniPos, "%s%sfen %s", iniPos[0]=='p' ? "position " : "", sc=='s' ? "s" : "", command);
+		iniPos[strlen(iniPos)-1] = sm = 0; collect = (computer == ANALYZE);
 	}
 	else if(!strcmp(command, "variant")) {
 		if(!strcmp(line+8, "shogi\n")) size = 9, strcpy(iniPos, "position startpos");
@@ -280,27 +453,45 @@ printf("# start search\n");
 	}
 	else if(!strcmp(command, "undo") && (i=1) || !strcmp(command, "remove") && (i=2)) {
 	    if(pondering || computer == ANALYZE) StopPonder(1);
-	    moveNr = moveNr > i ? moveNr - i : 0;
+	    moveNr = moveNr > i ? moveNr - i : 0; collect = (computer == ANALYZE); sm = 0;
 	}
 	else if(!strcmp(command, ".")) {
 	    printf("stat01: %d %d %d %d 100 %s\n", statTime, statNodes, statDepth, 100-currNr, currMove);
 	    goto nomove;
 	}
+	else if(!strcmp(command+2, "clude") && collect > 2) { // include or exclude
+	    int all = !strcmp(line+8, "all"), in = command[1] == 'n';
+	    inex = 1; line[strlen(line)-1] = sm = 0; // strip LF and clear sm flag
+	    for(i=1; i<nr; i++) { if(!strcmp(line+8, moveMap[i]) || all) on[i] = in; sm |= on[i]+1; } // sm: 2 = enabled, 1 = disabled
+	    if(!(sm & 2)) goto nomove; // no moves enabled; continue current search
+	    if(computer == ANALYZE) StopPonder(1); // abort old analysis
+	}
+	else if(!strcmp(command, "pause")) {
+	    if(computer == stm) myTime -= GetTickCount() - startTime;
+	    suspended = 1 + pondering; // remember if we were pondering, and stop search ignoring bestmove
+	    StopPonder(pondering || computer == stm);
+	}
+	else if(!strcmp(command, "resume")) {
+	    if(suspended == 2) StartPonder(); // restart interrupted ponder search
+	    suspended = 0; // causes thinking to start in normal way if on move or analyzing
+	}
 	else if(!strcmp(command, "xboard")) ;
-	else if(!strcmp(command, "analyze"))computer = ANALYZE;
+	else if(!strcmp(command, "analyze"))computer = ANALYZE, collect = 1, sm = 0;
 	else if(!strcmp(command, "exit"))   computer = NONE, StopPonder(1);
 	else if(!strcmp(command, "force"))  computer = NONE, StopPonder(pondering);
 	else if(!strcmp(command, "go"))     computer = stm;
-	else if(!strcmp(command, "time"))   sscanf(line+4, "%d", &myTime),  myTime  *= 10;
-	else if(!strcmp(command, "otim"))   sscanf(line+4, "%d", &hisTime), hisTime *= 10;
+	else if(!strcmp(command, "time"))   sscanf(line+4, "%d", &myTime),  myTime  = (10*myTime)/unit;
+	else if(!strcmp(command, "otim"))   sscanf(line+4, "%d", &hisTime), hisTime = (10*hisTime)/unit;
 	else if(!strcmp(command, "post"))   post = 1;
 	else if(!strcmp(command, "nopost")) post = 0;
-	else if(!strcmp(command, "easy"))   ponder = 0;
-	else if(!strcmp(command, "hard"))   ponder = 1;
+	else if(!strcmp(command, "easy") && !!*canPonder) ponder = 0, StopPonder(pondering), fprintf(toE, "setoption %s%s %sfalse\n", nameWord, canPonder, valueWord);
+	else if(!strcmp(command, "hard") && !!*canPonder) ponder = 1, fprintf(toE, "setoption %s%s %strue\n", nameWord, canPonder, valueWord), StartPonder();
+	else if(!strcmp(command, "ping"))   { static int done; if(!done) pause = 1, fprintf(toE, "isready\n"), fflush(toE), printf("# send isready\n"), fflush(stdout), Sync(PAUSE); done = 1; printf("pong %s", line+5); }
 	else if(!strcmp(command, "memory")) sscanf(line, "memory %d", &memory);
-	else if(!strcmp(command, "cores"))  sscanf(line, "cores %d", &cores);
+	else if(!strcmp(command, "cores")&& !!*threadOpt) sscanf(line, "cores %d", &cores), fprintf(toE, "setoption %s%s %s%d\n", nameWord, threadOpt, valueWord, cores);
 	else if(!strcmp(command, "sd"))     sscanf(line, "sd %d", &depth);
-	else if(!strcmp(command, "st"))     sscanf(line, "st %d", &stime), stime *= 1000, inc = 0;
+	else if(!strcmp(command, "st"))     sscanf(line, "st %d", &sTime), sTime = 1000*sTime - 30, inc = 0, sTime /= unit;
+	else if(!strcmp(command, "offer"))  drawOffer = 1;
 	else if(!strcmp(command, "quit"))   fprintf(toE, "quit\n"), fflush(toE), exit(0);
     }
 }
@@ -308,24 +499,19 @@ printf("# start search\n");
 int
 StartEngine(char *cmdLine, char *dir)
 {
+#ifdef WIN32
   HANDLE hChildStdinRd, hChildStdinWr,
     hChildStdoutRd, hChildStdoutWr;
-  SECURITY_ATTRIBUTES saAttr;
   BOOL fSuccess;
   PROCESS_INFORMATION piProcInfo;
   STARTUPINFO siStartInfo;
   DWORD err;
 
-  /* Set the bInheritHandle flag so pipe handles are inherited. */
-  saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
-  saAttr.bInheritHandle = TRUE;
-  saAttr.lpSecurityDescriptor = NULL;
-
   /* Create a pipe for the child's STDOUT. */
-  if (! CreatePipe(&hChildStdoutRd, &hChildStdoutWr, &saAttr, 0)) return GetLastError();
+  if (! WinPipe(&hChildStdoutRd, &hChildStdoutWr)) return GetLastError();
 
   /* Create a pipe for the child's STDIN. */
-  if (! CreatePipe(&hChildStdinRd, &hChildStdinWr, &saAttr, 0)) return GetLastError();
+  if (! WinPipe(&hChildStdinRd, &hChildStdinWr)) return GetLastError();
 
   SetCurrentDirectory(dir); // go to engine directory
 
@@ -367,7 +553,31 @@ StartEngine(char *cmdLine, char *dir)
   pid = piProcInfo.dwProcessId;
   fromE = (FILE*) _fdopen( _open_osfhandle((long)hChildStdoutRd, _O_TEXT|_O_RDONLY), "r");
   toE   = (FILE*) _fdopen( _open_osfhandle((long)hChildStdinWr, _O_WRONLY), "w");
-
+#else
+    char *argv[10], *p, buf[200];
+    int i, toEngine[2], fromEngine[2];
+
+    if (dir && dir[0] && chdir(dir)) { perror(dir); exit(1); }
+    pipe(toEngine); pipe(fromEngine); // create two pipes
+
+    if ((pid = fork()) == 0) { // Child
+	dup2(toEngine[0], 0);   close(toEngine[0]);   close(toEngine[1]);   // stdin from toE pipe
+	dup2(fromEngine[1], 1); close(fromEngine[0]); close(fromEngine[1]); // stdout into fromE pipe
+	dup2(1, fileno(stderr)); // stderr into frome pipe
+
+	strcpy(buf, cmdLine); p = buf;
+	for (i=0;;) { argv[i++] = p; p = strchr(p, ' '); if (p == NULL) break; *p++ = 0; }
+	argv[i] = NULL;
+        execvp(argv[0], argv); // startup engine
+	
+	perror(argv[0]); exit(1); // could not start engine; quit.
+    }
+    signal(SIGPIPE, SIG_IGN);
+    close(toEngine[0]); close(fromEngine[1]); // close engine ends of pipes in adapter
+    
+    fromE = (FILE*) fdopen(fromEngine[0], "r"); // make into high-level I/O
+    toE   = (FILE*) fdopen(toEngine[1], "w");
+#endif
   return NO_ERROR;
 }
 
@@ -376,16 +586,26 @@ main(int argc, char **argv)
 	char *dir = NULL, *p, *q; int e;
 
 	if(argc == 2 && !strcmp(argv[1], "-v")) { printf("UCI2WB " VERSION " by H.G.Muller\n"); exit(0); }
+	if(argc > 1 && !strcmp(argv[1], "debug")) { debug = 1; argc--; argv++; }
+	if(argc > 1 && !strcmp(argv[1], "-var")) { variants = argv[2]; argc-=2; argv+=2; }
 	if(argc > 1 && argv[1][0] == '-') { sc = argv[1][1]; argc--; argv++; }
-	if(argc < 2) { printf("usage is: U%cI2WB [-s] <engine.exe> [<engine directory>]", sc-32); exit(-1); }
+	if(argc < 2) { printf("usage is: U%cI2WB [debug] [-s] <engine.exe> [<engine directory>]\n", sc-32); exit(-1); }
 	if(argc > 2) dir = argv[2];
         if(argc > 3) suffix = argv[3];
 
+        if(sc == 'x') nameWord = valueWord = bTime = "", wTime = "opp", bInc = "increment", wInc = "oppincrement", unit = 1000; // switch to UCCI keywords
+
 	// spawn engine proc
-	if((errno = StartEngine(argv[1], dir)) != NO_ERROR) { perror(argv[1]), exit(-1); }
+	if(StartEngine(argv[1], dir) != NO_ERROR) { perror(argv[1]), exit(-1); }
+
+	Sync(INIT);
 
 	// create separate thread to handle engine->GUI traffic
+#ifdef WIN32
 	CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) Engine2GUI, (LPVOID) NULL, 0, &thread_id);
+#else
+        { pthread_t t; signal(SIGINT, SIG_IGN); signal(SIGTERM, SIG_IGN); pthread_create(&t, NULL, Engine2GUI, NULL); }
+#endif
 
 	// handle GUI->engine traffic in original thread
 	GUI2Engine();