o add bsnes

bsnes/snes/interface/interface.hpp

@@ -0,0 +1,17 @@
+//====================
+//SNES interface class
+//====================
+//Interfaces SNES core with platform-specific functionality (video, audio, input, ...)
+
+class SNESInterface {
+public:
+  void video_refresh(uint16_t *data, unsigned pitch, unsigned *line, unsigned width, unsigned height);
+  void audio_sample(uint16_t l_sample, uint16_t r_sample);
+  void input_poll();
+  int16_t input_poll(unsigned deviceid, unsigned id);
+
+  void init();
+  void term();
+};
+
+extern SNESInterface snesinterface;