// 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
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> k053260_device
class k053260_device : public device_t,
public device_sound_interface,
public device_rom_interface
{
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);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_clock_changed() override;
virtual void device_reset() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
// device_rom_interface overrides
virtual void rom_bank_updated() override;
private:
// configuration
sound_stream * m_stream;
// live state
u8 m_portdata[4];
u8 m_keyon;
u8 m_mode;
// 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_kadpcm(u8 data);
inline void set_pan(u8 data);
inline void update_pan_volume();
inline void key_on();
inline void key_off();
inline void play(stream_sample_t *outputs);
inline bool playing() { return m_playing; }
inline u8 read_rom();
private:
// pointer to owning device
k053260_device &m_device;
// live state
u32 m_position = 0;
u16 m_pan_volume[2];
u16 m_counter = 0;
s8 m_output = 0;
bool m_playing = false;
// per voice registers
u32 m_start = 0;
u16 m_length = 0;
u16 m_pitch = 0;
u8 m_volume = 0;
// bit packed registers
u8 m_pan = 0;
bool m_loop = false;
bool m_kadpcm = false;
} m_voice[4];
};
DECLARE_DEVICE_TYPE(K053260, k053260_device)
#endif // MAME_SOUND_K053260_H