private void open_close_renderer(SIDType old_type, SIDType new_type)
{
if (old_type == new_type)
return;
the_renderer = null;
// Create new renderer
if (new_type == SIDType.SIDTYPE_DIGITAL)
the_renderer = new DigitalRenderer();
else
the_renderer = null;
// Stuff the current register values into the new renderer
if (the_renderer != null)
for (UInt16 i = 0; i < 25; i++)
the_renderer.WriteRegister(i, regs[i]);
}