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// license:BSD-3-Clause
// copyright-holders:Quench, David Graves, R. Belmont
/* An interface for the ES8712 ADPCM controller */
#ifndef MAME_SOUND_ES8712_H
#define MAME_SOUND_ES8712_H
#pragma once
#include "machine/74157.h"
#include "sound/msm5205.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_ES8712_ADD(_tag, _clock) \
MCFG_DEVICE_ADD(_tag, ES8712, _clock)
#define MCFG_ES8712_REPLACE(_tag, _clock) \
MCFG_DEVICE_REPLACE(_tag, ES8712, _clock)
#define MCFG_ES8712_RESET_HANDLER(_devcb) \
downcast<es8712_device &>(*device).set_reset_handler(DEVCB_##_devcb);
#define MCFG_ES8712_MSM_WRITE_CALLBACK(_devcb) \
downcast<es8712_device &>(*device).set_msm_write_callback(DEVCB_##_devcb);
#define MCFG_ES8712_MSM_TAG(_msmtag) \
downcast<es8712_device &>(*device).set_msm_tag(_msmtag);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> es8712_device
class es8712_device : public device_t, public device_rom_interface
{
public:
es8712_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// configuration
void set_msm_tag(const char *tag) { m_msm.set_tag(tag); }
template<class Object> devcb_base &set_reset_handler(Object &&cb) { return m_reset_handler.set_callback(std::forward<Object>(cb)); }
template<class Object> devcb_base &set_msm_write_callback(Object &&cb) { return m_msm_write_cb.set_callback(std::forward<Object>(cb)); }
DECLARE_WRITE8_MEMBER(write);
DECLARE_READ8_MEMBER(read);
DECLARE_WRITE8_MEMBER(msm_w);
DECLARE_WRITE_LINE_MEMBER(msm_int);
void play();
protected:
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
virtual void rom_bank_updated() override;
private:
void es8712_state_save_register();
required_device<hct157_device> m_adpcm_select;
optional_device<msm5205_device> m_msm;
// device callbacks
devcb_write_line m_reset_handler;
devcb_write8 m_msm_write_cb;
uint8_t m_playing; /* 1 if we're actively playing */
uint32_t m_base_offset; /* pointer to the base memory location */
uint32_t m_start; /* starting address for the next loop */
uint32_t m_end; /* ending address for the next loop */
uint8_t m_adpcm_trigger;
};
DECLARE_DEVICE_TYPE(ES8712, es8712_device)
#endif // MAME_SOUND_ES8712_H
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