// license:BSD-3-Clause
// copyright-holders:Pierpaolo Prazzoli
#ifndef MAME_INCLUDES_N8080_H
#define MAME_INCLUDES_N8080_H
#pragma once
#include "cpu/i8085/i8085.h"
#include "cpu/mcs48/mcs48.h"
#include "machine/timer.h"
#include "sound/dac.h"
#include "sound/sn76477.h"
#include "emupal.h"
#include "screen.h"
class n8080_state : public driver_device
{
public:
n8080_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_n8080_dac(*this, "n8080_dac"),
m_sn(*this, "snsnd"),
m_screen(*this, "screen"),
m_palette(*this, "palette")
{ }
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void sound_pins_changed();
virtual void update_SN76477_status();
virtual void delayed_sound_1(int data);
virtual void delayed_sound_2(int data);
//private:
/* memory pointers */
required_shared_ptr<uint8_t> m_videoram;
/* video-related */
int m_sheriff_color_mode;
int m_sheriff_color_data;
/* sound-related */
emu_timer* m_sound_timer[3];
uint16_t m_prev_sound_pins;
uint16_t m_curr_sound_pins;
int m_mono_flop[3];
uint8_t m_prev_snd_data;
/* other */
unsigned m_shift_data;
unsigned m_shift_bits;
int m_inte;
/* devices */
required_device<i8080_cpu_device> m_maincpu;
required_device<i8035_device> m_audiocpu;
optional_device<dac_bit_interface> m_n8080_dac;
optional_device<sn76477_device> m_sn;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
void n8080_shift_bits_w(uint8_t data);
void n8080_shift_data_w(uint8_t data);
uint8_t n8080_shift_r();
void n8080_video_control_w(uint8_t data);
void n8080_sound_1_w(uint8_t data);
void n8080_sound_2_w(uint8_t data);
uint8_t n8080_8035_p1_r();
DECLARE_READ_LINE_MEMBER(n8080_8035_t0_r);
DECLARE_READ_LINE_MEMBER(n8080_8035_t1_r);
void n8080_dac_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(n8080_inte_callback);
void n8080_status_callback(uint8_t data);
void n8080_palette(palette_device &palette) const;
TIMER_DEVICE_CALLBACK_MEMBER(rst1_tick);
TIMER_DEVICE_CALLBACK_MEMBER(rst2_tick);
void start_mono_flop( int n, const attotime &expire );
void stop_mono_flop( int n );
TIMER_CALLBACK_MEMBER( stop_mono_flop_callback );
TIMER_CALLBACK_MEMBER( delayed_sound_1_callback );
TIMER_CALLBACK_MEMBER( delayed_sound_2_callback );
void main_cpu_map(address_map &map);
void main_io_map(address_map &map);
void n8080_sound_cpu_map(address_map &map);
};
class spacefev_state : public n8080_state
{
public:
spacefev_state(const machine_config &mconfig, device_type type, const char *tag) :
n8080_state(mconfig, type, tag)
{ }
void spacefev(machine_config &config);
protected:
virtual void machine_reset() override;
virtual void sound_start() override;
virtual void sound_reset() override;
virtual void video_start() override;
virtual void sound_pins_changed() override;
virtual void update_SN76477_status() override;
virtual void delayed_sound_1(int data) override;
virtual void delayed_sound_2(int data) override;
private:
void spacefev_sound(machine_config &config);
TIMER_DEVICE_CALLBACK_MEMBER(vco_voltage_timer);
TIMER_CALLBACK_MEMBER(stop_red_cannon);
void start_red_cannon();
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
emu_timer* m_cannon_timer;
int m_red_screen;
int m_red_cannon;
};
class sheriff_state : public n8080_state
{
public:
sheriff_state(const machine_config &mconfig, device_type type, const char *tag) :
n8080_state(mconfig, type, tag)
{ }
void sheriff(machine_config &config);
void westgun2(machine_config &config);
protected:
virtual void machine_reset() override;
virtual void sound_start() override;
virtual void sound_reset() override;
virtual void video_start() override;
virtual void sound_pins_changed() override;
virtual void update_SN76477_status() override;
private:
void sheriff_sound(machine_config &config);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
class helifire_state : public n8080_state
{
public:
helifire_state(const machine_config &mconfig, device_type type, const char *tag) :
n8080_state(mconfig, type, tag),
m_dac(*this, "helifire_dac"),
m_colorram(*this, "colorram")
{ }
void helifire(machine_config &config);
protected:
virtual void machine_reset() override;
virtual void sound_start() override;
virtual void sound_reset() override;
virtual void video_start() override;
virtual void sound_pins_changed() override;
virtual void delayed_sound_2(int data) override;
private:
void helifire_sound(machine_config &config);
TIMER_DEVICE_CALLBACK_MEMBER(dac_volume_timer);
DECLARE_READ_LINE_MEMBER(helifire_8035_t0_r);
DECLARE_READ_LINE_MEMBER(helifire_8035_t1_r);
uint8_t helifire_8035_external_ram_r();
uint8_t helifire_8035_p2_r();
void sound_ctrl_w(uint8_t data);
void sound_io_map(address_map &map);
void helifire_palette(palette_device &palette) const;
void next_line();
DECLARE_WRITE_LINE_MEMBER(screen_vblank);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void main_cpu_map(address_map &map);
required_device<dac_8bit_r2r_device> m_dac;
required_shared_ptr<uint8_t> m_colorram;
int m_dac_phase;
double m_dac_volume;
double m_dac_timing;
int m_flash;
uint8_t m_LSFR[63];
unsigned m_mv;
unsigned m_sc; // IC56
};
#endif // MAME_INCLUDES_N8080_H