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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*************************************************************************
Exidy 440 hardware
*************************************************************************/
#ifndef MAME_INCLUDES_EXIDY440_H
#define MAME_INCLUDES_EXIDY440_H
#pragma once
#include "audio/exidy440.h"
#include "emupal.h"
#include "screen.h"
#define EXIDY440_MASTER_CLOCK (XTAL(12'979'200))
class exidy440_state : public driver_device
{
public:
exidy440_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_imageram(*this, "imageram"),
m_spriteram(*this, "spriteram"),
m_scanline(*this, "scanline"),
m_maincpu(*this, "maincpu"),
m_custom(*this, "440audio"),
m_screen(*this, "screen"),
m_palette(*this, "palette")
{ }
DECLARE_READ_LINE_MEMBER(firq_beam_r);
DECLARE_READ_LINE_MEMBER(firq_vblank_r);
DECLARE_CUSTOM_INPUT_MEMBER(hitnmiss_button1_r);
DECLARE_INPUT_CHANGED_MEMBER(coin_inserted);
void init_showdown();
void init_yukon();
void init_exidy440();
void init_claypign();
void exidy440(machine_config &config);
protected:
void bankram_w(offs_t offset, uint8_t data);
uint8_t exidy440_input_port_3_r();
uint8_t sound_command_ack_r();
void sound_command_w(uint8_t data);
void exidy440_input_port_3_w(uint8_t data);
void exidy440_coin_counter_w(uint8_t data);
uint8_t showdown_bank0_r(offs_t offset);
uint8_t claypign_protection_r();
uint8_t exidy440_videoram_r(offs_t offset);
void exidy440_videoram_w(offs_t offset, uint8_t data);
uint8_t exidy440_paletteram_r(offs_t offset);
void exidy440_paletteram_w(offs_t offset, uint8_t data);
uint8_t exidy440_horizontal_pos_r();
uint8_t exidy440_vertical_pos_r();
void exidy440_spriteram_w(offs_t offset, uint8_t data);
void exidy440_control_w(offs_t offset, uint8_t data);
void exidy440_interrupt_clear_w(uint8_t data);
void draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int scroll_offset, int check_collision);
void update_screen(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int scroll_offset, int check_collision);
uint32_t screen_update_exidy440(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE_LINE_MEMBER(vblank_interrupt_w);
TIMER_CALLBACK_MEMBER(delayed_sound_command_w);
TIMER_CALLBACK_MEMBER(beam_firq_callback);
TIMER_CALLBACK_MEMBER(collide_firq_callback);
void exidy440_update_firq();
void exidy440_bank_select(uint8_t bank);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
void exidy440_video(machine_config &config);
void exidy440_map(address_map &map);
required_shared_ptr<uint8_t> m_imageram;
required_shared_ptr<uint8_t> m_spriteram;
required_shared_ptr<uint8_t> m_scanline;
required_device<cpu_device> m_maincpu;
required_device<exidy440_sound_device> m_custom;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
private:
uint8_t m_bank = 0U;
const uint8_t *m_showdown_bank_data[2]{};
int8_t m_showdown_bank_select = 0;
uint8_t m_showdown_bank_offset = 0U;
uint8_t m_firq_vblank = 0U;
uint8_t m_firq_beam = 0U;
uint8_t m_latched_x = 0U;
std::unique_ptr<uint8_t[]> m_local_videoram{};
std::unique_ptr<uint8_t[]> m_local_paletteram{};
uint8_t m_firq_enable = 0U;
uint8_t m_firq_select = 0U;
uint8_t m_palettebank_io = 0U;
uint8_t m_palettebank_vis = 0U;
emu_timer *m_beam_firq_timer = nullptr;
emu_timer *m_collide_firq_timer = nullptr;
uint8_t m_beam_firq_count = 0U;
};
class topsecex_state : public exidy440_state
{
public:
using exidy440_state::exidy440_state;
void init_topsecex();
void topsecex(machine_config &config);
protected:
void topsecex_video(machine_config &config);
uint8_t topsecex_input_port_5_r();
void topsecex_yscroll_w(uint8_t data);
uint32_t screen_update_topsecex(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
virtual void video_start() override;
private:
uint8_t m_topsecex_yscroll = 0U;
};
#endif // MAME_INCLUDES_EXIDY440_H
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