diff --git a/LEGO1/lego/legoomni/include/legoinputmanager.h b/LEGO1/lego/legoomni/include/legoinputmanager.h
index 5f596a3d..89e30dc7 100644
--- a/LEGO1/lego/legoomni/include/legoinputmanager.h
+++ b/LEGO1/lego/legoomni/include/legoinputmanager.h
@@ -48,6 +48,19 @@ class LegoNotifyList : public MxPtrList<MxCore> {
 	LegoNotifyList(MxBool p_ownership = FALSE) : MxPtrList<MxCore>(p_ownership) {}
 };
 
+// VTABLE: LEGO1 0x100d6ac0
+// class MxListCursor<MxCore *>
+
+// VTABLE: LEGO1 0x100d6ad8
+// class MxPtrListCursor<MxCore>
+
+// VTABLE: LEGO1 0x100d6aa8
+// SIZE 0x10
+class LegoNotifyListCursor : public MxPtrListCursor<MxCore> {
+public:
+	LegoNotifyListCursor(LegoNotifyList* p_list) : MxPtrListCursor<MxCore>(p_list) {}
+};
+
 // VTABLE: LEGO1 0x100d8760
 // SIZE 0x338
 class LegoInputManager : public MxPresenter {
@@ -157,6 +170,24 @@ class LegoInputManager : public MxPresenter {
 // SYNTHETIC: LEGO1 0x10028b30
 // MxPtrList<MxCore>::`scalar deleting destructor'
 
+// SYNTHETIC: LEGO1 0x10028fd0
+// LegoNotifyListCursor::`scalar deleting destructor'
+
+// TEMPLATE: LEGO1 0x10029040
+// MxPtrListCursor<MxCore>::~MxPtrListCursor<MxCore>
+
+// SYNTHETIC: LEGO1 0x10029090
+// MxListCursor<MxCore *>::`scalar deleting destructor'
+
+// SYNTHETIC: LEGO1 0x10029100
+// MxPtrListCursor<MxCore>::`scalar deleting destructor'
+
+// TEMPLATE: LEGO1 0x10029170
+// MxListCursor<MxCore *>::~MxListCursor<MxCore *>
+
+// TEMPLATE: LEGO1 0x100291c0
+// LegoNotifyListCursor::~LegoNotifyListCursor
+
 // TEMPLATE: LEGO1 0x1005bb80
 // MxCollection<LegoEventNotificationParam>::Compare
 
diff --git a/LEGO1/lego/legoomni/src/input/legoinputmanager.cpp b/LEGO1/lego/legoomni/src/input/legoinputmanager.cpp
index ec871b47..2a551c71 100644
--- a/LEGO1/lego/legoomni/src/input/legoinputmanager.cpp
+++ b/LEGO1/lego/legoomni/src/input/legoinputmanager.cpp
@@ -6,6 +6,7 @@
 
 DECOMP_SIZE_ASSERT(LegoInputManager, 0x338)
 DECOMP_SIZE_ASSERT(LegoNotifyList, 0x18)
+DECOMP_SIZE_ASSERT(LegoNotifyListCursor, 0x10)
 DECOMP_SIZE_ASSERT(LegoEventQueue, 0x18)
 
 // GLOBAL: LEGO1 0x100f31b0
@@ -211,16 +212,24 @@ MxResult LegoInputManager::GetJoystickState(
 	return FAILURE;
 }
 
-// STUB: LEGO1 0x1005c470
-void LegoInputManager::Register(MxCore*)
+// FUNCTION: LEGO1 0x1005c470
+void LegoInputManager::Register(MxCore* p_notify)
 {
-	// TODO
+	MxAutoLocker lock(&m_criticalSection);
+
+	LegoNotifyListCursor cursor(m_keyboardNotifyList);
+	if (!cursor.Find(p_notify))
+		m_keyboardNotifyList->Append(p_notify);
 }
 
-// STUB: LEGO1 0x1005c5c0
-void LegoInputManager::UnRegister(MxCore*)
+// FUNCTION: LEGO1 0x1005c5c0
+void LegoInputManager::UnRegister(MxCore* p_notify)
 {
-	// TODO
+	MxAutoLocker lock(&m_criticalSection);
+
+	LegoNotifyListCursor cursor(m_keyboardNotifyList);
+	if (cursor.Find(p_notify))
+		cursor.Detach();
 }
 
 // FUNCTION: LEGO1 0x1005c700