diff --git a/radio/src/lua/api_colorlcd.h b/radio/src/lua/api_colorlcd.h
new file mode 100644
index 000000000..8eb295f59
--- /dev/null
+++ b/radio/src/lua/api_colorlcd.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) OpenTX
+ *
+ * Based on code named
+ *   th9x - http://code.google.com/p/th9x
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+//
+// Obsoleted definitions:
+//  -> please check against libopenui_defines.h for conflicts
+//  -> here we use the 4 most significant bits for our flags (32 bit unsigned)
+//
+// INVERS & BLINK are used in most scripts, let's offer a compatibility mode.
+//
+#undef INVERS
+#undef BLINK
+
+#define INVERS 0x10000000u
+#define BLINK  0x20000000u
+
+constexpr coord_t INVERT_BOX_MARGIN = 2;
+
+extern BitmapBuffer* luaLcdBuffer;