Thanks. But I also still have to thank you for the changes in RMT . For me the 1.31 is still the most powerful version. It's just the timing in the emulation that makes things problematic. Not sure why this is, as much more powerful emulations of other chips work to a degree that makes it impossible to hear the difference between the chip and the programmed emulation. Altirra is timing perfect. But why is the emulation jumping in the editor? Imagine also a "corrscope" view, while editing the waveshapes. Even sawtooth waves were possible with that. Just the volume offset in the channels and the correct pulse time.... voilá ....