public namco_device(machine_config mconfig, string tag, device_t owner, u32 clock)
: base(mconfig, NAMCO, tag, owner, clock)
{
m_class_interfaces.Add(new device_sound_interface_namco(mconfig, this));
m_disound = GetClassInterface <device_sound_interface_namco>();
}
// device-level overrides
//-------------------------------------------------
// device_start - handle device startup
//-------------------------------------------------
protected override void device_start()
{
m_disound = GetClassInterface <device_sound_interface_namco>();
// read audio samples
load_samples();
// allocate channels
m_channel.resize(m_channels);
for (int channel = 0; channel < m_channels; channel++)
{
// initialize channel
channel_t chan = m_channel[channel];
chan.stream = m_disound.stream_alloc(0, 1, machine().sample_rate());
chan.source = null;
chan.source_num = -1;
chan.step = 0;
chan.loop = false;
chan.paused = false;
// register with the save state system
save_item(chan.source_length, "chan.source_length", channel);
save_item(chan.source_num, "chan.source_num", channel);
save_item(chan.pos, "chan.pos", channel);
save_item(chan.frac, "chan.frac", channel);
save_item(chan.step, "chan.step", channel);
save_item(chan.loop, "chan.loop", channel);
save_item(chan.paused, "chan.paused", channel);
}
// initialize any custom handlers
//m_samples_start_cb.bind_relative_to(owner());
if (m_samples_start_cb != null)
{
m_samples_start_cb();
}
}