Fix frequency, Loading waveform, Add instrument tab for waveform initialize

now for saving DivInstrumentN163 struct is... needs to compatibility breaks?

src/gui/intConst.cpp

@@ -29,6 +29,7 @@ const int _THIRTY_ONE=31;
 const int _SIXTY_FOUR=64;
 const int _ONE_HUNDRED=100;
 const int _ONE_HUNDRED_TWENTY_SEVEN=127;
+const int _TWO_HUNDRED_FIFTY_FIVE=255;
 const int _TWO_THOUSAND_FORTY_SEVEN=2047;
 const int _FOUR_THOUSAND_NINETY_FIVE=4095;
 const int _MINUS_ONE_HUNDRED_TWENTY_SEVEN=-127;