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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************
williams.h
Functions to emulate general the various Williams/Midway sound cards.
****************************************************************************/
#include "emu.h"
#include "machine/6821pia.h"
#include "cpu/m6809/m6809.h"
#include "sound/2151intf.h"
#include "sound/okim6295.h"
#include "sound/hc55516.h"
#include "sound/dac.h"
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
extern const device_type WILLIAMS_NARC_SOUND;
extern const device_type WILLIAMS_CVSD_SOUND;
extern const device_type WILLIAMS_ADPCM_SOUND;
//**************************************************************************
// DEVICE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_WILLIAMS_NARC_SOUND_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, WILLIAMS_NARC_SOUND, 0)
#define MCFG_WILLIAMS_CVSD_SOUND_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, WILLIAMS_CVSD_SOUND, 0)
#define MCFG_WILLIAMS_ADPCM_SOUND_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, WILLIAMS_ADPCM_SOUND, 0)
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> williams_cvsd_sound_device
class williams_cvsd_sound_device : public device_t,
public device_mixer_interface
{
public:
// construction/destruction
williams_cvsd_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// read/write
DECLARE_WRITE16_MEMBER(write);
DECLARE_WRITE_LINE_MEMBER(reset_write);
// internal communications
DECLARE_WRITE8_MEMBER(bank_select_w);
DECLARE_WRITE8_MEMBER(talkback_w);
DECLARE_WRITE8_MEMBER(cvsd_digit_clock_clear_w);
DECLARE_WRITE8_MEMBER(cvsd_clock_set_w);
DECLARE_WRITE_LINE_MEMBER(ym2151_irq_w);
DECLARE_WRITE_LINE_MEMBER(pia_irqa);
DECLARE_WRITE_LINE_MEMBER(pia_irqb);
protected:
// device-level overrides
virtual machine_config_constructor device_mconfig_additions() const override;
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
// devices
required_device<m6809e_device> m_cpu;
required_device<pia6821_device> m_pia;
required_device<hc55516_device> m_hc55516;
// internal state
UINT8 m_talkback;
};
// ======================> williams_narc_sound_device
class williams_narc_sound_device : public device_t,
public device_mixer_interface
{
public:
// construction/destruction
williams_narc_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// read/write
DECLARE_READ16_MEMBER(read);
DECLARE_WRITE16_MEMBER(write);
DECLARE_WRITE_LINE_MEMBER(reset_write);
// internal communications
DECLARE_WRITE8_MEMBER(master_bank_select_w);
DECLARE_WRITE8_MEMBER(slave_bank_select_w);
DECLARE_READ8_MEMBER(command_r);
DECLARE_WRITE8_MEMBER(command2_w);
DECLARE_READ8_MEMBER(command2_r);
DECLARE_WRITE8_MEMBER(master_talkback_w);
DECLARE_WRITE8_MEMBER(master_sync_w);
DECLARE_WRITE8_MEMBER(slave_talkback_w);
DECLARE_WRITE8_MEMBER(slave_sync_w);
DECLARE_WRITE8_MEMBER(cvsd_digit_clock_clear_w);
DECLARE_WRITE8_MEMBER(cvsd_clock_set_w);
DECLARE_WRITE_LINE_MEMBER(ym2151_irq_w);
protected:
// device-level overrides
virtual machine_config_constructor device_mconfig_additions() const override;
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
// timer IDs
enum
{
TID_MASTER_COMMAND,
TID_SLAVE_COMMAND,
TID_SYNC_CLEAR
};
// devices
required_device<m6809e_device> m_cpu0;
required_device<m6809e_device> m_cpu1;
required_device<hc55516_device> m_hc55516;
// internal state
UINT8 m_latch;
UINT8 m_latch2;
UINT8 m_talkback;
UINT8 m_audio_sync;
UINT8 m_sound_int_state;
};
// ======================> williams_adpcm_sound_device
class williams_adpcm_sound_device : public device_t,
public device_mixer_interface
{
public:
// construction/destruction
williams_adpcm_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// read/write
DECLARE_WRITE16_MEMBER(write);
DECLARE_WRITE_LINE_MEMBER(reset_write);
DECLARE_READ_LINE_MEMBER(irq_read);
// internal communications
DECLARE_WRITE8_MEMBER(bank_select_w);
DECLARE_WRITE8_MEMBER(oki6295_bank_select_w);
DECLARE_READ8_MEMBER(command_r);
DECLARE_WRITE8_MEMBER(talkback_w);
DECLARE_WRITE_LINE_MEMBER(ym2151_irq_w);
protected:
// timer IDs
enum
{
TID_COMMAND,
TID_IRQ_CLEAR
};
// device-level overrides
virtual machine_config_constructor device_mconfig_additions() const override;
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
// devices
required_device<m6809e_device> m_cpu;
// internal state
UINT8 m_latch;
UINT8 m_talkback;
UINT8 m_sound_int_state;
};
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