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// license:BSD-3-Clause
// copyright-holders:Ernesto Corvi, Alex W. Jackson
/*********************************************************
Konami 053260 KDSC
*********************************************************/
#ifndef MAME_SOUND_K053260_H
#define MAME_SOUND_K053260_H
#pragma once
#include "dirom.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> k053260_device
class k053260_device : public device_t,
public device_sound_interface,
public device_rom_interface<21>
{
public:
k053260_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
u8 main_read(offs_t offset);
void main_write(offs_t offset, u8 data);
u8 read(offs_t offset);
void write(offs_t offset, u8 data);
auto sh1_cb() { return m_sh1_cb.bind(); }
auto sh2_cb() { return m_sh2_cb.bind(); }
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_clock_changed() override;
virtual void device_reset() override ATTR_COLD;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream) override;
// device_rom_interface overrides
virtual void rom_bank_pre_change() override;
TIMER_CALLBACK_MEMBER(update_state_outputs);
private:
// Pan multipliers
static const int pan_mul[8][2];
// Sample hold lines callbacks (often used for interrupts)
devcb_write_line m_sh1_cb;
devcb_write_line m_sh2_cb;
// configuration
sound_stream *m_stream;
emu_timer *m_timer;
// live state
u8 m_portdata[4];
u8 m_keyon;
u8 m_mode;
int m_timer_state;
// per voice state
class KDSC_Voice
{
public:
KDSC_Voice(k053260_device &device) : m_device(device), m_pan_volume{ 0, 0 } { }
inline void voice_start(int index);
inline void voice_reset();
inline void set_register(offs_t offset, u8 data);
inline void set_loop(int state);
inline void set_kadpcm(int state);
inline void set_reverse(int state);
inline void set_pan(u8 data);
inline void update_pan_volume();
inline void key_on();
inline void key_off();
inline void play(s32 *outputs);
inline bool playing() { return m_playing; }
inline u8 read_rom(bool side_effects);
private:
// pointer to owning device
k053260_device &m_device;
// live state
u32 m_position;
int m_pan_volume[2];
u16 m_counter;
s8 m_output;
bool m_playing;
// per voice registers
u32 m_start;
u16 m_length;
u16 m_pitch;
u8 m_volume;
// bit packed registers
u8 m_pan;
bool m_loop;
bool m_kadpcm;
bool m_reverse;
} m_voice[4];
};
DECLARE_DEVICE_TYPE(K053260, k053260_device)
#endif // MAME_SOUND_K053260_H
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