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

src/nostalgia/core/gba/gfx.hpp

@@ -1,43 +1,11 @@
 /*
- * Copyright 2016 - 2022 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ * Copyright 2016 - 2023 Gary Talent (gary@drinkingtea.net). All rights reserved.
  */
 
 #pragma once
 
-#include <ox/std/stddef.hpp>
-#include <ox/std/types.hpp>
-
-#include <nostalgia/core/config.hpp>
+#include "../context.hpp"
 
 namespace nostalgia::core {
-
-enum DispCtl {
-	DispCtl_Mode0 = 0,
-	DispCtl_Mode1 = 1,
-	DispCtl_Mode2 = 2,
-	DispCtl_Mode3 = 3,
-	DispCtl_Mode4 = 4,
-	DispCtl_Mode5 = 5,
-
-	DispCtl_SpriteMap1D = 1 << 6,
-
-	DispCtl_Bg0 = 1 << 8,
-	DispCtl_Bg1 = 1 << 9,
-	DispCtl_Bg2 = 1 << 10,
-	DispCtl_Bg3 = 1 << 11,
-
-	DispCtl_Obj = 1 << 12,
-};
-
-struct OX_ALIGN8 GbaSpriteAttrUpdate {
-	uint16_t attr0 = 0;
-	uint16_t attr1 = 0;
-	uint16_t attr2 = 0;
-	uint16_t idx = 0;
-
-};
-
-extern volatile uint16_t g_spriteUpdates;
-extern ox::Array<GbaSpriteAttrUpdate, config::GbaSpriteBufferLen> g_spriteBuffer;
-
+ox::Error initGfx(Context *ctx, const InitParams &) noexcept;
 }