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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
/***************************************************************************
M72 audio interface
****************************************************************************/
#include "emu.h"
#include "sound/dac.h"
class m72_audio_device : public device_t,
public device_sound_interface
{
public:
m72_audio_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~m72_audio_device() {}
enum
{
YM2151_ASSERT,
YM2151_CLEAR,
Z80_ASSERT,
Z80_CLEAR
};
WRITE_LINE_MEMBER( ym2151_irq_handler );
DECLARE_WRITE8_MEMBER( sound_command_byte_w );
DECLARE_WRITE16_MEMBER( sound_command_w );
DECLARE_WRITE8_MEMBER(sound_irq_ack_w );
DECLARE_READ8_MEMBER( sample_r );
DECLARE_WRITE8_MEMBER( sample_w );
/* the port goes to different address bits depending on the game */
void set_sample_start( int start );
DECLARE_WRITE8_MEMBER( vigilant_sample_addr_w );
DECLARE_WRITE8_MEMBER( shisen_sample_addr_w );
DECLARE_WRITE8_MEMBER( rtype2_sample_addr_w );
DECLARE_WRITE8_MEMBER( poundfor_sample_addr_w );
protected:
// device-level overrides
virtual void device_config_complete() override;
virtual void device_start() 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;
private:
// internal state
UINT8 m_irqvector;
UINT32 m_sample_addr;
optional_region_ptr<UINT8> m_samples;
UINT32 m_samples_size;
address_space *m_space;
dac_device *m_dac;
TIMER_CALLBACK_MEMBER( setvector_callback );
};
extern const device_type M72;
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