diff --git a/src_main/console/pikbdlistener.cpp b/src_main/console/pikbdlistener.cpp
index 64dd1bf1..d4469faa 100644
--- a/src_main/console/pikbdlistener.cpp
+++ b/src_main/console/pikbdlistener.cpp
@@ -300,7 +300,7 @@ void PIKbdListener::readKeyboard() {
 					tm_dbl.reset();
 				}
 				else if (mb < me.buttons) me.action = MouseButtonRelease;
-				else {piCoutObj << "WTF"; break;}
+				else {if (mb != 0) piCoutObj << "WTF"; break;}
 			}
 			me.buttons = mb;
 			if (piCompareBinary(&prev_me, &me, sizeof(me)))
diff --git a/src_main/io/pibasetransfer.cpp b/src_main/io/pibasetransfer.cpp
index 21968db3..e1518f12 100644
--- a/src_main/io/pibasetransfer.cpp
+++ b/src_main/io/pibasetransfer.cpp
@@ -13,12 +13,13 @@ PIBaseTransfer::PIBaseTransfer(): crc(standardCRC_16()), diag(false) {
 	break_ = true;
 	bytes_all = bytes_cur = 0;
 	send_queue = 0;
+	send_up = 0;
 	timeout_ = 10.;
 	diag.setDisconnectTimeout(timeout_ / 10);
 	//CONNECTU(&diag, qualityChanged, this, diagChanged);
 	diag.setName("PIBaseTransfer");
 	diag.start(50);
-	packets_count = 100;
+	packets_count = 10;
 	setPacketSize(4096);
 	randomize();
 }
@@ -112,9 +113,25 @@ void PIBaseTransfer::received(PIByteArray data) {
 			}
 			if (is_sending) {
 				mutex_session.lock();
-				if (h.id < replies.size())
+				if (h.id < replies.size()) {
 					replies[h.id] = pt;
-				else
+					pm_string[h.id] = pt == pt_ReplySuccess ? '#' : '-';
+					int s = pm_string.find('+'), s1 = send_queue;
+					while (s <= (int)h.id && s > 0) {
+						send_queue--;
+						if (s >= 0) pm_string[s] = '-';
+						send_up = 0;
+						if (send_queue < 0) {
+							send_queue = 0;
+							break;
+						}
+						s = pm_string.find('+');
+					}
+					if (s1-send_queue > 1 && packets_count > 2) packets_count-= piMaxi(packets_count/10,1);
+					if (s1 == send_queue && s1 < piMaxi(packets_count/2, 2) && packets_count < 100) send_up++;
+					if (send_up > 20 && send_up > packets_count*2) packets_count+= piMaxi(packets_count/10,1);
+					//piCoutObj << packets_count;
+				} else
 					piCoutObj << "invalid reply id";
 				mutex_session.unlock();
 //				piCoutObj << "Done Packet" << h.id;
@@ -182,11 +199,13 @@ void PIBaseTransfer::received(PIByteArray data) {
 				bytes_all = sr.size;
 				header.session_id = h.session_id;
 				header.id = 0;
+				packets_count = 10;
 				session.clear();
 				replies.clear();
 				session.resize(sr.packets);
 				replies.resize(sr.packets + 1);
 				replies.fill(pt_Unknown);
+				pm_string.resize(replies.size(), '-');
 				diag.reset();
 //				diag.start(100);
 				//piCoutObj << "receiveStarted()";
@@ -198,6 +217,7 @@ void PIBaseTransfer::received(PIByteArray data) {
 				receiveStarted();
 				state_string = "receiving";
 				replies[0] = pt_ReplySuccess;
+				pm_string[0] = '#';
 				mutex_session.unlock();
 				sendReply(pt_ReplySuccess);
 				mutex_header.unlock();
@@ -240,6 +260,7 @@ bool PIBaseTransfer::send_process() {
 	int session_size = session.size();
 	replies.resize(session_size + 1);
 	replies.fill(pt_Unknown);
+	pm_string.resize(replies.size(), '-');
 	mutex_session.unlock();
 	PIByteArray ba;
 	if (!getStartRequest()) return finish_send(false);
@@ -247,6 +268,7 @@ bool PIBaseTransfer::send_process() {
 	PITimeMeasurer stm;
 	mutex_send.lock();
 	send_queue = 0;
+	send_up = 0;
 	send_tm.reset();
 	mutex_send.unlock();
 	//int ltm = 0;
@@ -272,8 +294,10 @@ bool PIBaseTransfer::send_process() {
 				mutex_send.unlock();
 				return finish_send(false);
 			}
-			if (stm.elapsed_s() > timeout_ / 10.) {
+			if (stm.elapsed_s() > timeout_ / 2.) {
+				send_up = 0;
 				send_queue = 0;
+				pm_string.replaceAll("+", "-");
 			}
 			mutex_send.unlock();
 			continue;
@@ -282,26 +306,28 @@ bool PIBaseTransfer::send_process() {
 		ba = build_packet(i);
 		diag.sended(ba.size_s());
 		sendRequest(ba);
+		pm_string[i+1] = '+';
 		mutex_send.lock();
 		send_queue++;
 		mutex_send.unlock();
 		if (break_) return finish_send(false);
 	}
 //	piCoutObj << "send done, checking";
-	PITimeMeasurer tm;
+	PITimeMeasurer rtm;
 	int prev_chk = 0;
 	mutex_send.lock();
 	send_queue = 0;
 	mutex_send.unlock();
 	piMSleep(10);
-	while (tm.elapsed_s() < timeout_) {
+	state_string = "sending+";
+	while (rtm.elapsed_s() < timeout_) {
 		//piCoutObj << "recovering...";
 		mutex_session.lock();
 		int chk = checkSession();
 		mutex_session.unlock();
 		if (chk == 0) return finish_send(true);
-		if (chk != prev_chk) tm.reset();
-		else if (tm.elapsed_m() < 100) {
+		if (chk != prev_chk) rtm.reset();
+		else if (rtm.elapsed_m() < 100) {
 			piMSleep(1);
 			continue;
 		}
@@ -322,11 +348,15 @@ bool PIBaseTransfer::send_process() {
 			mutex_send.unlock();
 			if (sq >= packets_count) {
 				piMSleep(10);
+				send_queue = 0;
+				send_up = 0;
+				pm_string.replaceAll("+", "-");
 				continue;
 			}
 			ba = build_packet(chk - 1);
 			diag.sended(ba.size_s());
 			sendRequest(ba);
+			pm_string[chk] = '+';
 			mutex_send.lock();
 			send_queue++;
 			mutex_send.unlock();
@@ -457,7 +487,8 @@ bool PIBaseTransfer::getStartRequest() {
 		mutex_session.lock();
 		if (replies[0] == pt_ReplySuccess) {
 			state_string = "send permited!";
-			//piCoutObj << "ping " << tm.elapsed_m();
+			//packets_count = piClampi(10 / tm.elapsed_m(), 2, 100);
+			//piCoutObj << "ping " << tm.elapsed_m() << packets_count;
 			mutex_session.unlock();
 			return true;
 		}
@@ -474,6 +505,7 @@ void PIBaseTransfer::processData(int id, PIByteArray & data) {
 	if (!session[id - 1].isEmpty()) {
 		header.id = id;
 		replies[id] = pt_ReplySuccess;
+		pm_string[id] = '#';
 		sendReply(pt_ReplySuccess);
 		if (replies[replies.size()-1] == pt_ReplySuccess)
 			if (checkSession() == 0) state_string = "receive ok";
@@ -500,6 +532,7 @@ void PIBaseTransfer::processData(int id, PIByteArray & data) {
 	}
 	header.id = id;
 	replies[id] = pt_ReplySuccess;
+	pm_string[id] = '#';
 	sendReply(pt_ReplySuccess);
 	if (checkSession() == 0) state_string = "receive ok";
 }
diff --git a/src_main/io/pibasetransfer.h b/src_main/io/pibasetransfer.h
index 4670f6c7..be64686c 100644
--- a/src_main/io/pibasetransfer.h
+++ b/src_main/io/pibasetransfer.h
@@ -69,6 +69,7 @@ public:
 	bool isCRCEnabled() const {return crc_enabled;}
 
 	PIString stateString() const {return state_string;}
+	PIString packetMap() const {return pm_string;}
 	llong bytesAll() const {return bytes_all;}
 	llong bytesCur() const {return bytes_cur;}
 	const PIDiagnostics &diagnostic() {return diag;}
@@ -131,11 +132,13 @@ private:
 	PacketHeader header;
 	CRC_16 crc;
 	int send_queue;
+	int send_up;
 	PIDiagnostics diag;
 	PIMutex mutex_session;
 	PIMutex mutex_send;
 	PIMutex mutex_header;
 	bool crc_enabled;
+	PIString pm_string;
 };
 
 inline PIByteArray & operator <<(PIByteArray & s, const PIBaseTransfer::PacketHeader & v) {s << v.sig << v.type << v.session_id << v.id << v.crc; return s;}
diff --git a/utils/udp_file_transfer/main.cpp b/utils/udp_file_transfer/main.cpp
index a5baee3e..0e2955e6 100644
--- a/utils/udp_file_transfer/main.cpp
+++ b/utils/udp_file_transfer/main.cpp
@@ -1,6 +1,11 @@
 #include "pip.h"
 #include "pifiletransfer.h"
 #include "pidatatransfer.h"
+#include "piscreen.h"
+#include "piscreentiles.h"
+
+
+TileSimple pmt;
 
 
 using namespace PICoutManipulators;
@@ -20,7 +25,7 @@ public:
 			//testt.setTimeout(0.1);
 			CONNECTU(&testt, sendRequest, this, ftsend);
 		} else {
-			ft.setPacketSize(12800);
+			ft.setPacketSize(65000);
 			ft.setName("PIFT");
 			CONNECTU(&ft, sendRequest, this, ftsend);
 			CONNECTU(&ft, sendFilesStarted, this, ftevent);
@@ -41,7 +46,7 @@ public:
 	}
 
 	void startTest() {
-		PIByteArray ba(1024*1024*256);
+		PIByteArray ba(1024*1024*8);
 		testt.send(ba);
 	}
 
@@ -56,13 +61,17 @@ private:
 	void tick(void *, int) {
 		if (ft.isStarted()) {
 			ftevent();
+			updatePMT();
 			if (PIKbdListener::exiting) {
 				ft.stopSend();
 				ft.stopReceive();
 			}
 			//			piCout << (int)ft.diagnostic().quality();
 		}
-		if (testt.isSending() || testt.isReceiving()) ftevent();
+		if (testt.isSending() || testt.isReceiving()) {
+			ftevent();
+			updatePMT();
+		}
 	}
 
 	EVENT_HANDLER(void, ftevent) {
@@ -119,6 +128,18 @@ private:
 		}
 		ft.received(ba);
 	}
+
+
+	void updatePMT() {
+		PIString pm;
+		if (test_) pm = testt.packetMap();
+		else pm = ft.packetMap();
+		int wd = 110;
+		pmt.content.resize(pm.size() / wd + 1);
+		for (int i=0; i<pmt.content.size_s(); i++) {
+			pmt.content[i].first = pm.mid(wd*i, piMini(pm.size() - i*wd, wd));
+		}
+	}
 };
 
 
@@ -166,9 +187,14 @@ int main (int argc, char * argv[]) {
 			src = cli.argumentValue("receive");
 			dst = cli.argumentValue("send");
 		}
+		PIScreen screen(false);
+		screen.enableExitCapture();
+		screen.rootTile()->addTile(new TilePICout());
+		screen.rootTile()->addTile(&pmt);
 		UDPFileTransfer tuf(src, dst, true);
+		screen.start();
 		if (send_) tuf.startTest();
-		WAIT_FOREVER;
+		screen.waitForFinish();
 		return 0;
 	}
 	if ((!cli.hasArgument("send") || !cli.hasArgument("receive")) || cli.hasArgument("help")) {
@@ -184,8 +210,13 @@ int main (int argc, char * argv[]) {
 		src += ":"+PIString::fromNumber(port);
 		dst += ":"+PIString::fromNumber(port);
 	}
-	PIKbdListener kbd;
-	kbd.enableExitCapture();
+//	PIKbdListener kbd;
+//	kbd.enableExitCapture();
+	PIScreen screen(false);
+	screen.enableExitCapture();
+	screen.rootTile()->addTile(new TilePICout());
+	screen.rootTile()->addTile(&pmt);
+	screen.start();
 	UDPFileTransfer f(src, dst);
 	if (cli.hasArgument("dir")) f.ft.setDirectory(cli.argumentValue("dir"));
 	if (cli.hasArgument("quet")) f.setQuet(true);
@@ -199,9 +230,8 @@ int main (int argc, char * argv[]) {
 	} else {
 		piCout << "wait for receiving";
 	}
-	kbd.start();
-	WAIT_FOR_EXIT
 	PICout(0) << "\n";
+	screen.waitForFinish();
 	return 0;
 
 }