o add my bsnes branch

tools/bsnes/chip/dsp3/dsp3.hpp

@@ -0,0 +1,12 @@
+class DSP3 : public Memory {
+public:
+  void init();
+  void enable();
+  void power();
+  void reset();
+
+  uint8 read (unsigned addr);
+  void  write(unsigned addr, uint8 data);
+};
+
+extern DSP3 dsp3;