[nostalgia] Break part of core out into Turbine and TeaGBA libraries

src/turbine/gba/turbine.hpp

@@ -0,0 +1,15 @@
+/*
+ * Copyright 2016 - 2023 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+#pragma once
+
+#include <ox/std/types.hpp>
+
+#include "../config.hpp"
+
+namespace turbine {
+
+using gba_timer_t = ox::Uint<config::GbaTimerBits>;
+
+}