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// license:BSD-3-Clause
// copyright-holders:Luca Elia
#ifndef MAME_SOUND_X1_010_H
#define MAME_SOUND_X1_010_H
#pragma once
#include "dirom.h"
class x1_010_device : public device_t, public device_sound_interface, public device_rom_interface<20>
{
public:
x1_010_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
u8 read(offs_t offset);
void write(offs_t offset, u8 data);
u16 word_r(offs_t offset);
void word_w(offs_t offset, u16 data);
void enable_w(int data);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_clock_changed() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
// device_rom_interface overrides
virtual void rom_bank_pre_change() override;
private:
static constexpr unsigned NUM_CHANNELS = 16;
// internal state
/* Variables only used here */
int m_rate; // Output sampling rate (Hz)
sound_stream * m_stream; // Stream handle
int m_sound_enable; // sound output enable/disable
std::unique_ptr<u8[]> m_reg; // X1-010 Register & wave form area
std::unique_ptr<u8[]> m_HI_WORD_BUF; // X1-010 16bit access ram check avoidance work
u32 m_smp_offset[NUM_CHANNELS];
u32 m_env_offset[NUM_CHANNELS];
u32 m_base_clock;
};
DECLARE_DEVICE_TYPE(X1_010, x1_010_device)
#endif // MAME_SOUND_X1_010_H
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