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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************
Gottlieb hardware
***************************************************************************/
#include "cpu/m6502/m6502.h"
#include "machine/mos6530.h"
#include "machine/6532riot.h"
#include "sound/ay8910.h"
#include "sound/sp0250.h"
#include "sound/votrax.h"
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
DECLARE_DEVICE_TYPE(GOTTLIEB_SOUND_REV0, gottlieb_sound_r0_device)
DECLARE_DEVICE_TYPE(GOTTLIEB_SOUND_REV1, gottlieb_sound_r1_device)
DECLARE_DEVICE_TYPE(GOTTLIEB_SOUND_REV1_VOTRAX, gottlieb_sound_r1_with_votrax_device)
DECLARE_DEVICE_TYPE(GOTTLIEB_SOUND_REV2, gottlieb_sound_r2_device)
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> gottlieb_sound_r0_device
// rev 0 sound board
class gottlieb_sound_r0_device : public device_t, public device_mixer_interface
{
public:
// construction/destruction
gottlieb_sound_r0_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
// read/write
void write(offs_t offset, uint8_t data);
// internal communications
DECLARE_INPUT_CHANGED_MEMBER(audio_nmi);
protected:
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
virtual void device_start() override;
void gottlieb_sound_r0_map(address_map &map);
private:
// devices
required_device<m6502_device> m_audiocpu;
required_device<mos6530_device> m_r6530;
uint8_t m_sndcmd;
uint8_t r6530b_r();
};
// ======================> gottlieb_sound_r1_device
// rev 1 sound board, with unpopulated VOTRAX
class gottlieb_sound_r1_device : public device_t, public device_mixer_interface
{
public:
// construction/destruction
gottlieb_sound_r1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
// read/write
void write(u8 data);
protected:
gottlieb_sound_r1_device(
const machine_config &mconfig,
device_type type,
const char *tag,
device_t *owner,
uint32_t clock);
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
virtual void device_start() override;
virtual void gottlieb_sound_r1_map(address_map &map);
private:
// devices
required_device<riot6532_device> m_riot;
};
// fully populated rev 1 sound board
class gottlieb_sound_r1_with_votrax_device : public gottlieb_sound_r1_device
{
public:
// construction/destruction
gottlieb_sound_r1_with_votrax_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
protected:
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
virtual void device_start() override;
virtual void device_post_load() override;
// internal communications
void votrax_data_w(uint8_t data);
void speech_clock_dac_w(uint8_t data);
virtual void gottlieb_sound_r1_map(address_map &map) override;
private:
// devices
required_device<votrax_sc01_device> m_votrax;
// internal state
uint8_t m_last_speech_clock;
};
// ======================> gottlieb_sound_r2_device
// fully populated rev 2 sound board
class gottlieb_sound_r2_device : public device_t, public device_mixer_interface
{
public:
// construction/destruction
gottlieb_sound_r2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
// configuration helpers
void enable_cobram3_mods() { m_cobram3_mod = true; }
// read/write
void write(u8 data);
// internal communications
uint8_t speech_data_r();
uint8_t audio_data_r();
void signal_audio_nmi_w(uint8_t data);
void nmi_rate_w(uint8_t data);
CUSTOM_INPUT_MEMBER( speech_drq_custom_r );
void speech_control_w(uint8_t data);
void sp0250_latch_w(uint8_t data);
void psg_latch_w(uint8_t data);
void gottlieb_sound_r2_map(address_map &map);
void gottlieb_speech_r2_map(address_map &map);
protected:
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
virtual void device_start() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
// internal helpers
void nmi_timer_adjust();
void nmi_state_update();
// timer IDs
enum
{
TID_NMI_GENERATE,
TID_NMI_CLEAR,
TID_SOUND_LATCH_WRITE
};
// devices
required_device<m6502_device> m_audiocpu;
required_device<m6502_device> m_speechcpu;
required_device<ay8913_device> m_ay1;
required_device<ay8913_device> m_ay2;
optional_device<sp0250_device> m_sp0250;
// internal state
bool m_cobram3_mod;
emu_timer * m_nmi_timer;
uint8_t m_nmi_rate;
uint8_t m_nmi_state;
uint8_t m_audiocpu_latch;
uint8_t m_speechcpu_latch;
uint8_t m_speech_control;
uint8_t m_last_command;
uint8_t m_psg_latch;
uint8_t m_psg_data_latch;
uint8_t m_sp0250_latch;
};
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