o add my bsnes branch

tools/bsnes/reader/gzreader.hpp

@@ -0,0 +1,16 @@
+#include "zlib/zlib.h"
+
+class GZReader : public Reader {
+private:
+  FILE *fp;
+  gzFile gp;
+  unsigned filesize;
+
+public:
+  unsigned size();
+  uint8_t* read(unsigned length = 0);
+  bool ready();
+
+  GZReader(const char *fn);
+  ~GZReader();
+};