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// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic
/*****************************************************************************
 *
 * includes/special.h
 *
 ****************************************************************************/

#ifndef MAME_INCLUDES_SPECIAL_H
#define MAME_INCLUDES_SPECIAL_H

#pragma once

#include "cpu/z80/z80.h"
#include "cpu/i8085/i8085.h"
#include "audio/special.h"
#include "sound/dac.h"
#include "machine/i8255.h"
#include "machine/pit8253.h"
#include "imagedev/cassette.h"
#include "imagedev/floppy.h"
#include "formats/smx_dsk.h"
#include "formats/rk_cas.h"
#include "machine/wd_fdc.h"
#include "machine/ram.h"
#include "emupal.h"


class special_state : public driver_device
{
public:
	special_state(const machine_config &mconfig, device_type type, const char *tag) :
		driver_device(mconfig, type, tag),
		m_maincpu(*this, "maincpu"),
		m_ppi(*this, "ppi8255"),
		m_fdc(*this, "fd1793"),
		m_dac(*this, "dac"),
		m_pit(*this, "pit8253"),
		m_cassette(*this, "cassette"),
		m_fdd(*this, "fd%u", 0U),
		m_ram(*this, RAM_TAG),
		m_p_videoram(*this, "videoram"),
		m_region_maincpu(*this, "maincpu"),
		m_bank1(*this, "bank1"),
		m_bank2(*this, "bank2"),
		m_bank3(*this, "bank3"),
		m_bank4(*this, "bank4"),
		m_bank5(*this, "bank5"),
		m_bank6(*this, "bank6"),
		m_io_line(*this, "LINE%u", 0U),
		m_palette(*this, "palette")
	{ }

	void special(machine_config &config);
	void erik(machine_config &config);
	void specimx(machine_config &config);
	void specialp(machine_config &config);
	void specialm(machine_config &config);

	void init_erik();
	void init_special();

protected:
	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;

private:
	enum
	{
		TIMER_RESET,
		TIMER_PIT8253_GATES
	};

	DECLARE_WRITE8_MEMBER(specimx_select_bank);
	DECLARE_WRITE8_MEMBER(video_memory_w);
	DECLARE_WRITE8_MEMBER(specimx_video_color_w);
	DECLARE_READ8_MEMBER(specimx_video_color_r);
	DECLARE_READ8_MEMBER(specimx_disk_ctrl_r);
	DECLARE_WRITE8_MEMBER(specimx_disk_ctrl_w);
	DECLARE_READ8_MEMBER(erik_rr_reg_r);
	DECLARE_WRITE8_MEMBER(erik_rr_reg_w);
	DECLARE_READ8_MEMBER(erik_rc_reg_r);
	DECLARE_WRITE8_MEMBER(erik_rc_reg_w);
	DECLARE_READ8_MEMBER(erik_disk_reg_r);
	DECLARE_WRITE8_MEMBER(erik_disk_reg_w);
	uint8_t specialist_8255_porta_r();
	uint8_t specialist_8255_portb_r();
	uint8_t specimx_8255_portb_r();
	uint8_t specialist_8255_portc_r();
	void specialist_8255_porta_w(uint8_t data);
	void specialist_8255_portb_w(uint8_t data);
	void specialist_8255_portc_w(uint8_t data);

	DECLARE_MACHINE_RESET(special);
	DECLARE_MACHINE_RESET(erik);
	void erik_palette(palette_device &palette) const;
	DECLARE_MACHINE_START(specimx);
	DECLARE_MACHINE_RESET(specimx);
	DECLARE_VIDEO_START(specimx);
	void specimx_palette(palette_device &palette) const;
	uint32_t screen_update_special(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	uint32_t screen_update_erik(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	uint32_t screen_update_specialp(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	uint32_t screen_update_specimx(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	DECLARE_WRITE_LINE_MEMBER(fdc_drq);
	DECLARE_FLOPPY_FORMATS( specimx_floppy_formats );

	void erik_io_map(address_map &map);
	void erik_mem(address_map &map);
	void specialist_mem(address_map &map);
	void specialp_mem(address_map &map);
	void specimx_mem(address_map &map);

	void specimx_set_bank(offs_t i, uint8_t data);
	void erik_set_bank();
	std::unique_ptr<uint8_t[]> m_specimx_colorram;
	uint8_t m_erik_color_1;
	uint8_t m_erik_color_2;
	uint8_t m_erik_background;
	uint8_t m_specimx_color;
	int m_specialist_8255_porta;
	int m_specialist_8255_portb;
	int m_specialist_8255_portc;
	uint8_t m_RR_register;
	uint8_t m_RC_register;
	required_device<cpu_device> m_maincpu;
	optional_device<i8255_device> m_ppi;
	optional_device<fd1793_device> m_fdc;
	optional_device<dac_bit_interface> m_dac;
	optional_device<pit8253_device> m_pit;
	optional_device<cassette_image_device> m_cassette;
	optional_device_array<floppy_connector, 2> m_fdd;
	optional_device<ram_device> m_ram;
	optional_shared_ptr<uint8_t> m_p_videoram;
	int m_drive;
	required_memory_region m_region_maincpu;
	required_memory_bank m_bank1;
	optional_memory_bank m_bank2;
	optional_memory_bank m_bank3;
	optional_memory_bank m_bank4;
	optional_memory_bank m_bank5;
	optional_memory_bank m_bank6;
	required_ioport_array<13> m_io_line;
	required_device<palette_device> m_palette;
};

#endif // MAME_INCLUDES_SPECIAL_H