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// license: BSD-3-Clause
// copyright-holders: Dirk Best
/***************************************************************************
NEC μPD934G
Percussion Generator
***************************************************************************/
#ifndef MAME_SOUND_UPD934G_H
#define MAME_SOUND_UPD934G_H
#pragma once
#include "dirom.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class upd934g_device : public device_t, public device_sound_interface, public device_rom_interface<16>
{
public:
static constexpr feature_type imperfect_features() { return feature::SOUND; }
// construction/destruction
upd934g_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
void write(offs_t offset, u8 data);
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
virtual void sound_stream_update(sound_stream &stream) override;
private:
sound_stream *m_stream;
u16 m_addr[16];
u8 m_valid[16];
struct
{
u16 pos;
s8 playing;
u8 effect;
}
m_channel[4];
u8 m_sample;
u8 m_ready;
};
// device type definition
DECLARE_DEVICE_TYPE(UPD934G, upd934g_device)
#endif // MAME_SOUND_UPD934G_H
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