[UI] Host breakpoint shortcut (pauses WinDbg)

src/xenia/app/emulator_window.cc

@@ -14,6 +14,7 @@
 
 #include "third_party/imgui/imgui.h"
 #include "xenia/base/clock.h"
+#include "xenia/base/debugging.h"
 #include "xenia/base/logging.h"
 #include "xenia/base/platform.h"
 #include "xenia/base/profiling.h"
@@ -142,6 +143,9 @@ bool EmulatorWindow::Initialize() {
       case 0x13: {  // VK_PAUSE
         CpuBreakIntoDebugger();
       } break;
+      case 0x03: {  // VK_CANCEL
+        CpuBreakIntoHostDebugger();
+      } break;
 
       case 0x70: {  // VK_F1
         ShowHelpWebsite();
@@ -208,8 +212,13 @@ bool EmulatorWindow::Initialize() {
   cpu_menu->AddChild(MenuItem::Create(MenuItem::Type::kSeparator));
   {
     cpu_menu->AddChild(MenuItem::Create(
-        MenuItem::Type::kString, L"&Break and Show Debugger", L"Pause/Break",
+        MenuItem::Type::kString, L"&Break and Show Guest Debugger",
+        L"Pause/Break",
         std::bind(&EmulatorWindow::CpuBreakIntoDebugger, this)));
+    cpu_menu->AddChild(MenuItem::Create(
+        MenuItem::Type::kString, L"&Break into Host Debugger",
+        L"Ctrl+Pause/Break",
+        std::bind(&EmulatorWindow::CpuBreakIntoHostDebugger, this)));
   }
   main_menu->AddChild(std::move(cpu_menu));
 
@@ -366,6 +375,8 @@ void EmulatorWindow::CpuBreakIntoDebugger() {
   }
 }
 
+void EmulatorWindow::CpuBreakIntoHostDebugger() { xe::debugging::Break(); }
+
 void EmulatorWindow::GpuTraceFrame() {
   emulator()->graphics_system()->RequestFrameTrace();
 }

src/xenia/app/emulator_window.h

@@ -51,6 +51,7 @@ class EmulatorWindow {
   void CpuTimeScalarSetHalf();
   void CpuTimeScalarSetDouble();
   void CpuBreakIntoDebugger();
+  void CpuBreakIntoHostDebugger();
   void GpuTraceFrame();
   void GpuClearCaches();
   void ShowHelpWebsite();