Implement GPUSTAT and update IOPort design

include/PSX/GPU/GPU_Types.hpp

@@ -0,0 +1,29 @@
+#ifndef __JABYENGINE_GPU_TYPES_HPP__
+#define __JABYENGINE_GPU_TYPES_HPP__
+#include "../jabyengine_defines.h"
+
+namespace GPU {
+    struct __no_align Color3 {
+        uint8_t blue;
+        uint8_t green;
+        uint8_t red;
+
+        static constexpr Color3 black() {
+            return {0x0, 0x0, 0x0};
+        }
+
+        static constexpr Color3 rgb(uint8_t r, uint8_t g, uint8_t b) {
+            return {b, g, r};
+        }
+    };
+
+    struct __no_align Color {
+        uint8_t reserved;
+        Color3  color_data;
+
+        constexpr Color(Color3 color) : reserved(0), color_data(color) {
+        }
+    };
+}
+
+#endif //!__JABYENGINE_GPU_TYPES_HPP__