diff --git a/LEGO1/lego/legoomni/include/legoinputmanager.h b/LEGO1/lego/legoomni/include/legoinputmanager.h
index 9b47d7a8..a199d7d7 100644
--- a/LEGO1/lego/legoomni/include/legoinputmanager.h
+++ b/LEGO1/lego/legoomni/include/legoinputmanager.h
@@ -74,7 +74,7 @@ public:
 		c_right = 0x02,
 		c_up = 0x04,
 		c_down = 0x08,
-		c_bit5 = 0x10,
+		c_ctrl = 0x10,
 
 		c_leftOrRight = c_left | c_right,
 		c_upOrDown = c_up | c_down
diff --git a/LEGO1/lego/legoomni/include/legonavcontroller.h b/LEGO1/lego/legoomni/include/legonavcontroller.h
index ef882450..adbed6a1 100644
--- a/LEGO1/lego/legoomni/include/legonavcontroller.h
+++ b/LEGO1/lego/legoomni/include/legonavcontroller.h
@@ -155,7 +155,7 @@ protected:
 	float m_unk0x60;             // 0x60
 	float m_unk0x64;             // 0x64
 	float m_unk0x68;             // 0x68
-	MxBool m_unk0x6c;            // 0x6c
+	MxBool m_isAccelerating;     // 0x6c
 
 	// one copy of defaults (these can be set by App.)
 	static int g_defdeadZone;
diff --git a/LEGO1/lego/legoomni/src/entity/legonavcontroller.cpp b/LEGO1/lego/legoomni/src/entity/legonavcontroller.cpp
index 24ea5af5..061ffdd6 100644
--- a/LEGO1/lego/legoomni/src/entity/legonavcontroller.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legonavcontroller.cpp
@@ -135,7 +135,7 @@ LegoNavController::LegoNavController()
 	m_rotationalAccel = 0.0f;
 	m_trackDefault = FALSE;
 	m_unk0x5d = FALSE;
-	m_unk0x6c = FALSE;
+	m_isAccelerating = FALSE;
 	m_unk0x64 = 0.0f;
 	m_unk0x68 = 0.0f;
 	m_unk0x60 = 0.0f;
@@ -564,8 +564,8 @@ MxResult LegoNavController::ProcessJoystickInput(MxBool& p_und)
 // FUNCTION: LEGO1 0x100558b0
 MxResult LegoNavController::ProcessKeyboardInput()
 {
-	MxBool bool1 = FALSE;
-	MxBool bool2 = FALSE;
+	MxBool skipRotationVelAndAccelCalc = FALSE;
+	MxBool skipLinearVelAndAccelCalc = FALSE;
 	LegoInputManager* inputManager = LegoOmni::GetInstance()->GetInputManager();
 	MxU32 keyFlags;
 
@@ -574,18 +574,18 @@ MxResult LegoNavController::ProcessKeyboardInput()
 	}
 
 	if (keyFlags == 0) {
-		if (m_unk0x6c) {
+		if (m_isAccelerating) {
 			m_targetRotationalVel = 0.0;
 			m_targetLinearVel = 0.0;
 			m_rotationalAccel = m_maxRotationalDeccel;
 			m_linearAccel = m_maxLinearDeccel;
-			m_unk0x6c = FALSE;
+			m_isAccelerating = FALSE;
 		}
 
 		return FAILURE;
 	}
 
-	m_unk0x6c = TRUE;
+	m_isAccelerating = TRUE;
 
 	MxS32 hMax;
 	switch (keyFlags & LegoInputManager::c_leftOrRight) {
@@ -598,7 +598,7 @@ MxResult LegoNavController::ProcessKeyboardInput()
 	default:
 		m_targetRotationalVel = 0.0;
 		m_rotationalAccel = m_maxRotationalDeccel;
-		bool1 = TRUE;
+		skipRotationVelAndAccelCalc = TRUE;
 		break;
 	}
 
@@ -613,23 +613,31 @@ MxResult LegoNavController::ProcessKeyboardInput()
 	default:
 		m_targetLinearVel = 0.0;
 		m_linearAccel = m_maxLinearDeccel;
-		bool2 = TRUE;
+		skipLinearVelAndAccelCalc = TRUE;
 		break;
 	}
 
-	MxFloat val = keyFlags & LegoInputManager::c_bit5 ? 1.0f : 4.0f;
-	MxFloat val2 = keyFlags & LegoInputManager::c_bit5 ? 1.0f : 2.0f;
+	MxFloat maxAccelDivisor = keyFlags & LegoInputManager::c_ctrl ? 1.0f : 4.0f;
+	MxFloat minAccelDivisor = keyFlags & LegoInputManager::c_ctrl ? 1.0f : 2.0f;
 
-	if (!bool1) {
+	if (!skipRotationVelAndAccelCalc) {
 		m_targetRotationalVel = CalculateNewTargetVel(hMax, m_hMax / 2, m_maxRotationalVel);
-		m_rotationalAccel =
-			CalculateNewAccel(hMax, m_hMax / 2, m_maxRotationalAccel / val, (int) (m_minRotationalAccel / val2));
+		m_rotationalAccel = CalculateNewAccel(
+			hMax,
+			m_hMax / 2,
+			m_maxRotationalAccel / maxAccelDivisor,
+			(int) (m_minRotationalAccel / minAccelDivisor)
+		);
 	}
 
-	if (!bool2) {
+	if (!skipLinearVelAndAccelCalc) {
 		m_targetLinearVel = CalculateNewTargetVel(m_vMax - vMax, m_vMax / 2, m_maxLinearVel);
-		m_linearAccel =
-			CalculateNewAccel(m_vMax - vMax, m_vMax / 2, m_maxLinearAccel / val, (int) (m_minLinearAccel / val2));
+		m_linearAccel = CalculateNewAccel(
+			m_vMax - vMax,
+			m_vMax / 2,
+			m_maxLinearAccel / maxAccelDivisor,
+			(int) (m_minLinearAccel / minAccelDivisor)
+		);
 	}
 
 	return SUCCESS;
diff --git a/LEGO1/lego/legoomni/src/input/legoinputmanager.cpp b/LEGO1/lego/legoomni/src/input/legoinputmanager.cpp
index e3523ca9..f3c7a9d3 100644
--- a/LEGO1/lego/legoomni/src/input/legoinputmanager.cpp
+++ b/LEGO1/lego/legoomni/src/input/legoinputmanager.cpp
@@ -195,7 +195,7 @@ MxResult LegoInputManager::GetNavigationKeyStates(MxU32& p_keyFlags)
 	}
 
 	if ((m_keyboardState[DIK_LCONTROL] | m_keyboardState[DIK_RCONTROL]) & 0x80) {
-		keyFlags |= c_bit5;
+		keyFlags |= c_ctrl;
 	}
 
 	p_keyFlags = keyFlags;