M src/platform/qt/GameController.cpp → src/platform/qt/GameController.cpp

@@ -339,6 +339,7 @@ m_threadContext.patch = VFileDevice::open(m_patch, O_RDONLY);
 	}
 
 	m_inputController->recalibrateAxes();
+	memset(m_drawContext, 0xF8, 1024 * 256);
 
 	if (!GBAThreadStart(&m_threadContext)) {
 		m_gameOpen = false;