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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria, Dan Boris
/*************************************************************************
rokola hardware
*************************************************************************/
#ifndef MAME_AUDIO_SNK6502_H
#define MAME_AUDIO_SNK6502_H
#pragma once
#include "sound/discrete.h"
#include "sound/samples.h"
class snk6502_sound_device : public device_t, public device_sound_interface
{
public:
snk6502_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
DECLARE_WRITE8_MEMBER( sasuke_sound_w );
DECLARE_WRITE8_MEMBER( satansat_sound_w );
DECLARE_WRITE8_MEMBER( vanguard_sound_w );
DECLARE_WRITE8_MEMBER( vanguard_speech_w );
DECLARE_WRITE8_MEMBER( fantasy_sound_w );
DECLARE_WRITE8_MEMBER( fantasy_speech_w );
void set_music_clock(double clock_time);
void set_music_freq(int freq);
int music0_playing();
protected:
// device-level overrides
virtual void device_start() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
private:
static constexpr unsigned CHANNELS = 3;
struct TONE
{
int mute;
int offset;
int base;
int mask;
int32_t sample_rate;
int32_t sample_step;
int32_t sample_cur;
int16_t form[16];
};
// internal state
TONE m_tone_channels[CHANNELS];
int32_t m_tone_clock_expire;
int32_t m_tone_clock;
sound_stream * m_tone_stream;
optional_device<samples_device> m_samples;
uint8_t *m_ROM;
int m_Sound0StopOnRollover;
uint8_t m_LastPort1;
int m_hd38880_cmd;
uint32_t m_hd38880_addr;
int m_hd38880_data_bytes;
double m_hd38880_speed;
inline void validate_tone_channel(int channel);
void sasuke_build_waveform(int mask);
void satansat_build_waveform(int mask);
void build_waveform(int channel, int mask);
void speech_w(uint8_t data, const uint16_t *table, int start);
};
DECLARE_DEVICE_TYPE(SNK6502, snk6502_sound_device)
DISCRETE_SOUND_EXTERN( fantasy_discrete );
extern char const *const sasuke_sample_names[];
extern char const *const vanguard_sample_names[];
extern char const *const fantasy_sample_names[];
#endif // MAME_AUDIO_SNK6502_H
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