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// license:BSD-3-Clause
// copyright-holders:Paul Leaman, Miguel Angel Horna
/*********************************************************
Capcom System QSound™ (HLE)
*********************************************************/
#ifndef MAME_SOUND_QSOUNDHLE_H
#define MAME_SOUND_QSOUNDHLE_H
#pragma once
#include "cpu/dsp16/dsp16.h"
class qsound_hle_device : public device_t, public device_sound_interface, public device_rom_interface
{
public:
// default 60MHz clock (divided by 2 for DSP core clock, and then by 1248 for sample rate)
qsound_hle_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock = 60'000'000);
DECLARE_WRITE8_MEMBER(qsound_w);
DECLARE_READ8_MEMBER(qsound_r);
protected:
// device_t implementation
virtual void device_start() override;
virtual void device_reset() override;
// device_sound_interface implementation
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
// device_rom_interface implementation
virtual void rom_bank_updated() override;
private:
// MAME resources
sound_stream *m_stream;
struct qsound_channel
{
u16 reg[8]; // channel control registers
// work variables
int lvol; // left volume
int rvol; // right volume
} m_channel[16];
int m_pan_table[33]; // pan volume table
u16 m_data; // register latch data
inline s16 read_sample(u32 offset) { return u16(read_byte(offset)) << 8; }
void write_data(u8 address, u16 data);
};
DECLARE_DEVICE_TYPE(QSOUND_HLE, qsound_hle_device)
#endif // MAME_SOUND_QSOUNDHLE_H
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