pub fn nr22(&self) -> u8 {
        let envelope = self.sound2.envelope();

        envelope.into_reg()
    }
/// Retreive envelope config for sound 2
Retreive envelope config for sound 2
Retreive envelope config for sound 2
pub fn nr22(&self) -> u8 {
        let envelope = self.sound2.envelope();
        envelope.into_reg()
    }
pub fn nr22 ( & self ) -> u8 { let envelope = self . sound2 . envelope ( ) ; envelope . into_reg ( ) }
Retreive envelope config for sound 2
Retreive envelope config for sound 2
&self
&self