--- previous/src/dimension/nd_sdl.h	2018/04/24 19:30:01	1.1
+++ previous/src/dimension/nd_sdl.h	2018/04/24 19:31:36	1.1.1.2
@@ -14,23 +14,14 @@ extern "C" {
     extern const int VIDEO_VBL_MS;
     extern const int BLANK_MS;
 
-    typedef SDL_SpinLock       lock_t;
-    typedef SDL_Thread         thread_t;
-    typedef SDL_ThreadFunction thread_func_t;
+    void    nd_sdl_init(void);
+    void    nd_sdl_uninit(void);
+    void    nd_sdl_pause(bool pause);
+    void    nd_sdl_destroy(void);
+    void    nd_start_interrupts(void);
+    void    nd_vbl_handler(void);
+    void    nd_video_vbl_handler(void);
 
-    void      nd_sdl_init();
-    void      nd_sdl_uninit();
-    void      nd_sdl_destroy();
-
-    void      lock(lock_t* lock);
-    void      unlock(lock_t* lock);
-    void      checklock(lock_t* lock);
-    int       trylock(lock_t* lock);
-    Uint32    time_ms();
-    void      sleep_ms(Uint32 ms);
-    thread_t* thread_create(thread_func_t, void* data);
-    int       thread_wait(thread_t* thread);
-    
 #ifdef __cplusplus
 }
 #endif