private void Start()
{
for (var i = 0xff10; i <= 0xff25; i++)
{
var v = 0;
// lengths should be preserved
if (i == 0xff11 || i == 0xff16 || i == 0xff20)
{
// channel 1, 2, 4 lengths
v = GetUnmaskedByte(i) & 0b00111111;
}
else if (i == 0xff1b)
{
// channel 3 length
v = GetUnmaskedByte(i);
}
SetByte(i, v);
}
foreach (var m in _allModes)
{
m.Start();
}
_output.Start();
}