// license:BSD-3-Clause
// copyright-holders:Aaron Giles
#ifndef MAME_AUDIO_EXIDY_H
#define MAME_AUDIO_EXIDY_H
#pragma once
#include "machine/6532riot.h"
#include "machine/6821pia.h"
#include "sound/hc55516.h"
#include "sound/tms5220.h"
class exidy_sound_device : public device_t,
public device_sound_interface
{
/* 6840 variables */
struct sh6840_timer_channel
{
uint8_t cr;
uint8_t state;
uint8_t leftovers;
uint16_t timer;
uint32_t clocks;
union
{
#ifdef LSB_FIRST
struct { uint8_t l, h; } b;
#else
struct { uint8_t h, l; } b;
#endif
uint16_t w;
} counter;
};
public:
exidy_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
~exidy_sound_device() {}
uint8_t sh6840_r(offs_t offset);
void sh6840_w(offs_t offset, uint8_t data);
void sfxctrl_w(offs_t offset, uint8_t data);
protected:
exidy_sound_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
void common_sh_start();
void common_sh_reset();
void sh6840_register_state_globals();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
virtual s32 generate_music_sample();
static inline void sh6840_apply_clock(sh6840_timer_channel *t, int clocks);
/* sound streaming variables */
sound_stream *m_stream;
double m_freq_to_step;
private:
// internal state
sh6840_timer_channel m_sh6840_timer[3];
int16_t m_sh6840_volume[3];
uint8_t m_sh6840_MSB_latch;
uint8_t m_sh6840_LSB_latch;
uint8_t m_sh6840_LFSR_oldxor;
uint32_t m_sh6840_LFSR_0;
uint32_t m_sh6840_LFSR_1;
uint32_t m_sh6840_LFSR_2;
uint32_t m_sh6840_LFSR_3;
uint32_t m_sh6840_clocks_per_sample;
uint32_t m_sh6840_clock_count;
uint8_t m_sfxctrl;
inline int sh6840_update_noise(int clocks);
};
DECLARE_DEVICE_TYPE(EXIDY, exidy_sound_device)
class exidy_sh8253_sound_device : public exidy_sound_device
{
struct sh8253_timer_channel
{
uint8_t clstate;
uint8_t enable;
uint16_t count;
uint32_t step;
uint32_t fraction;
};
protected:
exidy_sh8253_sound_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual s32 generate_music_sample() override;
void r6532_porta_w(uint8_t data);
uint8_t r6532_porta_r();
void r6532_portb_w(uint8_t data);
uint8_t r6532_portb_r();
void sh8253_w(offs_t offset, uint8_t data);
void sh8253_register_state_globals();
/* 8253 variables */
sh8253_timer_channel m_sh8253_timer[3];
/* 6532 variables */
required_device<riot6532_device> m_riot;
/* 5220/CVSD variables */
optional_device<hc55516_device> m_cvsd;
optional_device<cpu_device> m_cvsdcpu;
optional_device<tms5220_device> m_tms;
required_device<pia6821_device> m_pia;
};
class venture_sound_device : public exidy_sh8253_sound_device
{
public:
venture_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// configuration access
auto pa_callback() { return m_pa_callback.bind(); }
auto pb_callback() { return m_pb_callback.bind(); }
auto ca2_callback() { return m_ca2_callback.bind(); }
auto cb2_callback() { return m_cb2_callback.bind(); }
// external access
void pa_w(uint8_t data);
void pb_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(ca_w);
DECLARE_WRITE_LINE_MEMBER(cb_w);
protected:
venture_sound_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_resolve_objects() override;
virtual void device_add_mconfig(machine_config &config) override;
void venture_audio_map(address_map &map);
private:
void filter_w(uint8_t data);
void pia_pa_w(uint8_t data);
void pia_pb_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(pia_ca2_w);
DECLARE_WRITE_LINE_MEMBER(pia_cb2_w);
void venture_audio(machine_config &config);
devcb_write8 m_pa_callback;
devcb_write8 m_pb_callback;
devcb_write_line m_ca2_callback;
devcb_write_line m_cb2_callback;
};
DECLARE_DEVICE_TYPE(EXIDY_VENTURE, venture_sound_device)
class mtrap_sound_device : public venture_sound_device
{
public:
mtrap_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
private:
void voiceio_w(offs_t offset, uint8_t data);
uint8_t voiceio_r(offs_t offset);
void cvsd_map(address_map &map);
void cvsd_iomap(address_map &map);
};
DECLARE_DEVICE_TYPE(EXIDY_MTRAP, mtrap_sound_device)
class victory_sound_device : public exidy_sh8253_sound_device
{
public:
victory_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// external access
uint8_t response_r();
uint8_t status_r();
void command_w(uint8_t data);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_add_mconfig(machine_config &config) override;
private:
DECLARE_WRITE_LINE_MEMBER(irq_clear_w);
DECLARE_WRITE_LINE_MEMBER(main_ack_w);
void victory_audio_map(address_map &map);
// internal state
uint8_t m_victory_sound_response_ack_clk; /* 7474 @ F4 */
TIMER_CALLBACK_MEMBER( delayed_command_w );
int m_pia_ca1;
int m_pia_cb1;
};
DECLARE_DEVICE_TYPE(EXIDY_VICTORY, victory_sound_device)
#endif // MAME_AUDIO_EXIDY_H