diff --git a/CasioEmuMsvc/CasioEmuMsvc.vcxproj b/CasioEmuMsvc/CasioEmuMsvc.vcxproj
index 6e79169..ec8d238 100644
--- a/CasioEmuMsvc/CasioEmuMsvc.vcxproj
+++ b/CasioEmuMsvc/CasioEmuMsvc.vcxproj
@@ -367,6 +367,7 @@
     <ClInclude Include="Chipset\MMURegion.hpp" />
     <ClInclude Include="Config.hpp" />
     <ClInclude Include="Containers\ConcurrentObject.h" />
+    <ClInclude Include="Ext\LabelFile.h" />
     <ClInclude Include="Gui\CallAnalysis.h" />
     <ClInclude Include="Gui\CasioData.h" />
     <ClInclude Include="Gui\CwiiHelp.h" />
diff --git a/CasioEmuMsvc/CasioEmuMsvc.vcxproj.filters b/CasioEmuMsvc/CasioEmuMsvc.vcxproj.filters
index c35c43f..706268a 100644
--- a/CasioEmuMsvc/CasioEmuMsvc.vcxproj.filters
+++ b/CasioEmuMsvc/CasioEmuMsvc.vcxproj.filters
@@ -377,6 +377,9 @@
     <ClInclude Include="Ext\Memory.h">
       <Filter>头文件</Filter>
     </ClInclude>
+    <ClInclude Include="Ext\LabelFile.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />
diff --git a/CasioEmuMsvc/Chipset/CPU.hpp b/CasioEmuMsvc/Chipset/CPU.hpp
index fb897d2..e5cb596 100644
--- a/CasioEmuMsvc/Chipset/CPU.hpp
+++ b/CasioEmuMsvc/Chipset/CPU.hpp
@@ -131,7 +131,7 @@ namespace casioemu {
 		bool GetMasterInterruptEnable();
 		std::string GetBacktrace() const;
 
-	private:
+
 #ifdef DBG
 		struct StackFrame {
 			bool lr_pushed;
@@ -141,7 +141,7 @@ namespace casioemu {
 		};
 		ConcurrentObject<std::vector<StackFrame>> stack;
 #endif
-
+	private:
 		uint16_t Fetch();
 
 		enum OpcodeHint {
diff --git a/CasioEmuMsvc/Chipset/CPUControl.cpp b/CasioEmuMsvc/Chipset/CPUControl.cpp
index 016db68..662fc71 100644
--- a/CasioEmuMsvc/Chipset/CPUControl.cpp
+++ b/CasioEmuMsvc/Chipset/CPUControl.cpp
@@ -218,7 +218,9 @@ namespace casioemu {
 		sf.new_pc = reg_csr << 16 | reg_pc;
 		if (!stack->empty() && !stack->back().lr_pushed) {
 			std::cout << "[CPU][Warn] Control flow get override!(likely stack corruption or a bootloader)\n";
-			stack->clear();
+			stack->back().lr_push_address = 0x0721;
+			stack->back().lr_pushed = true;
+			// stack->clear();
 		}
 		stack->push_back(sf);
 		if (on_call_function)
diff --git a/CasioEmuMsvc/Ext/LabelFile.h b/CasioEmuMsvc/Ext/LabelFile.h
new file mode 100644
index 0000000..fc09526
--- /dev/null
+++ b/CasioEmuMsvc/Ext/LabelFile.h
@@ -0,0 +1,100 @@
+#pragma once
+#include <fstream>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <stringhelper.h>
+#include <vector>
+struct Label {
+	uint32_t address;
+	std::string name;
+};
+// Function to parse the file
+inline std::vector<Label> parseFile(const std::string& filename) {
+	std::vector<Label> labels;
+	std::ifstream file(filename);
+	if (!file.is_open()) {
+		return labels;
+	}
+
+	std::string line;
+	bool inBlockComment = false;
+
+	while (std::getline(file, line)) {
+		// Trim the line
+		line = trim(line);
+
+		// Skip empty lines
+		if (line.empty())
+			continue;
+
+		// Handle block comments
+		if (inBlockComment) {
+			if (line.find("*/") != std::string::npos) {
+				inBlockComment = false;
+			}
+			continue;
+		}
+		else if (line.find("/*") != std::string::npos) {
+			if (line.find("*/") == std::string::npos) {
+				inBlockComment = true;
+			}
+			continue;
+		}
+
+		// Handle line comments
+		size_t commentPos = line.find('#');
+		if (commentPos != std::string::npos) {
+			line = line.substr(0, commentPos);
+			line = trim(line);
+			if (line.empty())
+				continue;
+		}
+
+		// Parse the line
+		std::string address;
+		std::string functionName;
+
+		size_t commaPos = line.find(',');
+		if (commaPos != std::string::npos) {
+			// Format: 0x01234,function or 0x01234,"function with space"
+			address = line.substr(0, commaPos);
+			functionName = line.substr(commaPos + 1);
+		}
+		else {
+			// Format: 01234 function
+			std::istringstream iss(line);
+			iss >> address;
+			std::getline(iss, functionName);
+		}
+
+		// Trim extracted strings
+		address = trim(address);
+		functionName = trim(functionName);
+
+		// Remove quotes from function name if present
+		if (!functionName.empty() && functionName.front() == '"') {
+			functionName = functionName.substr(1, functionName.size() - 2);
+		}
+
+		// Print the result
+		if (!address.empty() && !functionName.empty()) {
+			auto addr_p = (uint32_t)0;
+			if (address.length() > 2) {
+				if (address.starts_with("0x")) {
+					addr_p = std::strtoul(address.c_str() + 2, 0, 16);
+				}
+				else {
+					addr_p = std::strtoul(address.c_str(), 0, 16);
+				}
+			}
+			else {
+				addr_p = std::strtoul(address.c_str(), 0, 16);
+			}
+			labels.push_back({addr_p, functionName});
+		}
+	}
+
+	file.close();
+	return labels;
+}
\ No newline at end of file
diff --git a/CasioEmuMsvc/Gui/Ui.cpp b/CasioEmuMsvc/Gui/Ui.cpp
index f1d5e6c..9a365c3 100644
--- a/CasioEmuMsvc/Gui/Ui.cpp
+++ b/CasioEmuMsvc/Gui/Ui.cpp
@@ -1,12 +1,13 @@
 #include "ui.hpp"
-#include "Chipset/Chipset.hpp"
-#include "Chipset/MMU.hpp"
 #include "CallAnalysis.h"
 #include "CasioData.h"
+#include "Chipset/Chipset.hpp"
+#include "Chipset/MMU.hpp"
 #include "CodeViewer.hpp"
 #include "Editors.h"
 #include "HwController.h"
 #include "Injector.hpp"
+#include "LabelFile.h"
 #include "LabelViewer.h"
 #include "MemBreakpoint.hpp"
 #include "VariableWindow.h"
@@ -24,6 +25,8 @@ static SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_RESIZABLE | S
 static SDL_Window* window = 0;
 SDL_Renderer* renderer = 0;
 
+std::vector<Label> g_labels;
+
 CodeViewer* code_viewer = 0;
 Injector* injector = 0;
 MemBreakPoint* membp = 0;
@@ -128,9 +131,11 @@ int test_gui(bool* guiCreated) {
 	ImGui_ImplSDLRenderer2_Init(renderer);
 	if (guiCreated)
 		*guiCreated = true;
-	while (!m_emu || !me_mmu)
+	while (!me_mmu)
 		std::this_thread::sleep_for(std::chrono::microseconds(1));
-	std::this_thread::sleep_for(std::chrono::microseconds(100));
+
+	g_labels = parseFile(m_emu->GetModelFilePath("labels"));
+
 	for (auto item : std::initializer_list<UIWindow*>{
 			 new VariableWindow(),
 			 new HwController(),
diff --git a/CasioEmuMsvc/Gui/WatchWindow.cpp b/CasioEmuMsvc/Gui/WatchWindow.cpp
index 98825d1..fe7c2ac 100644
--- a/CasioEmuMsvc/Gui/WatchWindow.cpp
+++ b/CasioEmuMsvc/Gui/WatchWindow.cpp
@@ -13,6 +13,7 @@
 
 #include "Config.hpp"
 #include "Models.h"
+#include <iomanip>
 
 void WatchWindow::PrepareRX() {
 	for (int i = 0; i < 16; i++) {
@@ -60,7 +61,7 @@ void WatchWindow::ShowRX() {
 	ImGui::SameLine();
 	show_sfr(reg_psw, "PSW: ", 5, 2);
 	ImGui::SameLine();
-	show_sfr(reg_dsr, "DSR: ", 5, 2);
+	show_sfr(reg_dsr, "DSR: ", 6, 2);
 }
 void WatchWindow::ModRX() {
 	char id[10];
@@ -99,7 +100,7 @@ void WatchWindow::ModRX() {
 	ImGui::SameLine();
 	show_sfr(reg_psw, "PSW: ", 5, 2);
 	ImGui::SameLine();
-	show_sfr(reg_dsr, "DSR: ", 5, 2);
+	show_sfr(reg_dsr, "DSR: ", 6, 2);
 }
 
 void WatchWindow::UpdateRX() {
@@ -112,7 +113,44 @@ void WatchWindow::UpdateRX() {
 	m_emu->chipset.cpu.reg_sp = (uint16_t)strtol((char*)reg_sp, nullptr, 16);
 	m_emu->chipset.cpu.reg_psw = (uint16_t)strtol((char*)reg_psw, nullptr, 16);
 }
+struct SymbolAddr {
+public:
+	uint32_t addr;
+};
+inline static std::ostream& operator<<(std::ostream& os, SymbolAddr ad) {
+	auto iter = std::find_if(g_labels.begin(), g_labels.end(), [&](Label& dat) { return dat.address == ad.addr; });
+	if (iter == g_labels.end())
+	{
+		return os  << ad.addr;
+	}
+	else {
+		return os << iter->name;
+	}
+}
+inline std::string GetBacktrace() {
+	std::stringstream output;
+	output << std::hex << std::setfill('0') << std::uppercase;
+	auto stack = m_emu->chipset.cpu.stack.get_const();
+	for (casioemu::CPU::StackFrame frame : *stack) {
+		output << "  function "
+			   << std::setw(6) << SymbolAddr{frame.new_pc}
+			   << " returns to " << std::setw(6);
+		if (frame.lr_pushed) {
+			output << SymbolAddr{frame.lr};
 
+			output << " - lr pushed at "
+				   << std::setw(4) << frame.lr_push_address;
+		}
+		else {
+			output << (((size_t)m_emu->chipset.cpu.reg_lcsr) << 16 | m_emu->chipset.cpu.reg_lr);
+		}
+		if (frame.is_jump) {
+			output << " (called by pop pc)";
+		}
+		output << '\n';
+	}
+	return output.str();
+}
 void WatchWindow::RenderCore() {
 	char_width = ImGui::CalcTextSize("F").x;
 	casioemu::Chipset& chipset = m_emu->chipset;
@@ -136,7 +174,7 @@ void WatchWindow::RenderCore() {
 	ImGui::Separator();
 	static int range = 64;
 	ImGui::BeginChild("##stack_trace", ImVec2(0, ImGui::GetWindowHeight() / 2));
-	std::string s = chipset.cpu.GetBacktrace();
+	std::string s = GetBacktrace();
 	ImGui::InputTextMultiline("##as", (char*)s.c_str(), s.size(), ImVec2(ImGui::GetWindowWidth(), -1), ImGuiInputTextFlags_ReadOnly);
 	ImGui::EndChild();
 	ImGui::BeginChild("##stack_view");
diff --git a/CasioEmuMsvc/Gui/ui.hpp b/CasioEmuMsvc/Gui/ui.hpp
index 42ce0a9..421b697 100644
--- a/CasioEmuMsvc/Gui/ui.hpp
+++ b/CasioEmuMsvc/Gui/ui.hpp
@@ -1,6 +1,7 @@
 #pragma once
 #include "Chipset/MMU.hpp"
 #include "Emulator.hpp"
+#include "LabelFile.h"
 #include "imgui/imgui.h"
 int test_gui(bool* guiCreated);
 void gui_cleanup();
@@ -8,6 +9,7 @@ void gui_loop();
 extern char* n_ram_buffer;
 extern casioemu::MMU* me_mmu;
 extern casioemu::Emulator* m_emu;
+extern std::vector<Label> g_labels;
 class UIWindow {
 public:
 	UIWindow(const char* name) : name(name) {}
@@ -26,4 +28,4 @@ class UIWindow {
 	}
 	virtual void RenderCore() = 0;
 };
-constexpr ImGuiTableFlags pretty_table = ImGuiTableFlags_RowBg | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersV | ImGuiTableFlags_Reorderable ;
\ No newline at end of file
+constexpr ImGuiTableFlags pretty_table = ImGuiTableFlags_RowBg | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersV | ImGuiTableFlags_Reorderable;
\ No newline at end of file
diff --git a/CasioEmuMsvc/Models.h b/CasioEmuMsvc/Models.h
index 78b6e5c..d41e50b 100644
--- a/CasioEmuMsvc/Models.h
+++ b/CasioEmuMsvc/Models.h
@@ -7,16 +7,14 @@ namespace casioemu {
 	inline constexpr size_t GetRamBaseAddr(HardwareId hid) {
 		if (hid == HW_TI)
 			return 0xB000;
-		return hid == HW_ES_PLUS ? 0x8000 : hid == HW_CLASSWIZ ? 0xD000
-										: hid == HW_FX_5800P   ? 0x8000
-															   : 0x9000;
+		return (hid == HW_FX_5800P || hid == HW_ES_PLUS) ? 0x8000 : hid == HW_CLASSWIZ ? 0xD000
+																					   : 0x9000;
 	}
 	inline constexpr size_t GetRamSize(HardwareId hid) {
 		if (hid == HW_TI)
 			return 0xF000 - 0xB000;
-		return hid == HW_ES_PLUS ? 0x0E00 : hid == HW_CLASSWIZ ? 0x2000
-										: hid == HW_FX_5800P   ? 0xf000 - 0x8000
-															   : 0x6000;
+		return (hid == HW_FX_5800P || hid == HW_ES_PLUS) ? 0x0E00 : hid == HW_CLASSWIZ ? 0x2000
+																					   : 0x6000;
 	}
 	inline std::vector<MemoryEditor::MarkedSpan> GetCommonMemLabels(HardwareId hid) {
 		int i = 0;
diff --git a/CasioEmuMsvc/stringhelper.h b/CasioEmuMsvc/stringhelper.h
index 4c15f92..493fd90 100644
--- a/CasioEmuMsvc/stringhelper.h
+++ b/CasioEmuMsvc/stringhelper.h
@@ -12,4 +12,10 @@ inline void rtrim(std::string& s) {
 		return !std::isspace(ch);
 	}).base(),
 		s.end());
+}
+inline std::string trim(const std::string& str) {
+	std::string fin = str;
+	ltrim(fin);
+	rtrim(fin);
+	return fin;
 }
\ No newline at end of file