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// license:???
// copyright-holders:???
#pragma once
#ifndef __C6280_H__
#define __C6280_H__
#include "cpu/h6280/h6280.h"
class c6280_device : public device_t,
public device_sound_interface
{
public:
c6280_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
static void set_devicecpu_tag(device_t &device, const char *tag) { downcast<c6280_device &>(device).m_cpudevice.set_tag(tag); }
// read/write
DECLARE_READ8_MEMBER( c6280_r );
DECLARE_WRITE8_MEMBER( c6280_w );
protected:
// device-level overrides
virtual void device_start();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
private:
struct channel {
UINT16 m_frequency;
UINT8 m_control;
UINT8 m_balance;
UINT8 m_waveform[32];
UINT8 m_index;
INT16 m_dda;
UINT8 m_noise_control;
UINT32 m_noise_counter;
UINT32 m_counter;
};
// internal state
sound_stream *m_stream;
required_device<h6280_device> m_cpudevice;
UINT8 m_select;
UINT8 m_balance;
UINT8 m_lfo_frequency;
UINT8 m_lfo_control;
channel m_channel[8];
INT16 m_volume_table[32];
UINT32 m_noise_freq_tab[32];
UINT32 m_wave_freq_tab[4096];
};
extern const device_type C6280;
#define MCFG_C6280_CPU(_tag) \
c6280_device::set_devicecpu_tag(*device, "^" _tag);
#endif /* __C6280_H__ */
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