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// license:BSD-3-Clause
// copyright-holders:Takahiro Nogi, Uki

#include "machine/gen_latch.h"
#include "machine/eepromser.h"
#include "machine/ins8250.h"

class fromanc2_state : public driver_device
{
public:
	fromanc2_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_maincpu(*this, "maincpu"),
		m_audiocpu(*this, "audiocpu"),
		m_subcpu(*this, "sub"),
		m_eeprom(*this, "eeprom"),
		m_gfxdecode(*this, "gfxdecode"),
		m_lpalette(*this, "lpalette"),
		m_rpalette(*this, "rpalette"),
		m_soundlatch(*this, "soundlatch"),
		m_soundlatch2(*this, "soundlatch2"),
		m_uart(*this, "uart") { }

	/* memory pointers */
	std::unique_ptr<uint16_t[]>   m_videoram[2][4];
	std::unique_ptr<uint8_t[]>    m_bankedram;

	/* video-related */
	tilemap_t  *m_tilemap[2][4];
	int      m_scrollx[2][4];
	int      m_scrolly[2][4];
	int      m_gfxbank[2][4];

	/* misc */
	int      m_portselect;
	uint8_t    m_subcpu_int_flag;
	uint8_t    m_subcpu_nmi_flag;
	uint8_t    m_sndcpu_nmi_flag;
	uint16_t   m_datalatch1;
	uint8_t    m_datalatch_2h;
	uint8_t    m_datalatch_2l;

	/* devices */
	required_device<cpu_device> m_maincpu;
	required_device<cpu_device> m_audiocpu;
	optional_device<cpu_device> m_subcpu;
	optional_device<eeprom_serial_93cxx_device> m_eeprom;
	required_device<gfxdecode_device> m_gfxdecode;
	required_device<palette_device> m_lpalette;
	required_device<palette_device> m_rpalette;
	required_device<generic_latch_8_device> m_soundlatch;
	required_device<generic_latch_8_device> m_soundlatch2;
	optional_device<ns16550_device> m_uart;

	DECLARE_WRITE16_MEMBER(sndcmd_w);
	DECLARE_WRITE16_MEMBER(portselect_w);
	DECLARE_READ16_MEMBER(keymatrix_r);
	DECLARE_WRITE16_MEMBER(fromancr_gfxbank_eeprom_w);
	DECLARE_WRITE16_MEMBER(subcpu_w);
	DECLARE_READ16_MEMBER(subcpu_r);
	DECLARE_READ8_MEMBER(maincpu_r_l);
	DECLARE_READ8_MEMBER(maincpu_r_h);
	DECLARE_WRITE8_MEMBER(maincpu_w_l);
	DECLARE_WRITE8_MEMBER(maincpu_w_h);
	DECLARE_WRITE8_MEMBER(subcpu_nmi_clr);
	DECLARE_READ8_MEMBER(sndcpu_nmi_clr);
	DECLARE_WRITE8_MEMBER(subcpu_rombank_w);
	DECLARE_WRITE16_MEMBER(fromanc2_videoram_0_w);
	DECLARE_WRITE16_MEMBER(fromanc2_videoram_1_w);
	DECLARE_WRITE16_MEMBER(fromanc2_videoram_2_w);
	DECLARE_WRITE16_MEMBER(fromanc2_videoram_3_w);
	DECLARE_WRITE16_MEMBER(fromanc2_gfxreg_0_w);
	DECLARE_WRITE16_MEMBER(fromanc2_gfxreg_1_w);
	DECLARE_WRITE16_MEMBER(fromanc2_gfxreg_2_w);
	DECLARE_WRITE16_MEMBER(fromanc2_gfxreg_3_w);
	DECLARE_WRITE16_MEMBER(fromanc2_gfxbank_0_w);
	DECLARE_WRITE16_MEMBER(fromanc2_gfxbank_1_w);
	DECLARE_WRITE16_MEMBER(fromancr_videoram_0_w);
	DECLARE_WRITE16_MEMBER(fromancr_videoram_1_w);
	DECLARE_WRITE16_MEMBER(fromancr_videoram_2_w);
	DECLARE_WRITE16_MEMBER(fromancr_gfxreg_0_w);
	DECLARE_WRITE16_MEMBER(fromancr_gfxreg_1_w);
	DECLARE_WRITE16_MEMBER(fromanc4_videoram_0_w);
	DECLARE_WRITE16_MEMBER(fromanc4_videoram_1_w);
	DECLARE_WRITE16_MEMBER(fromanc4_videoram_2_w);
	DECLARE_WRITE16_MEMBER(fromanc4_gfxreg_0_w);
	DECLARE_WRITE16_MEMBER(fromanc4_gfxreg_1_w);
	DECLARE_WRITE16_MEMBER(fromanc4_gfxreg_2_w);
	DECLARE_CUSTOM_INPUT_MEMBER(subcpu_int_r);
	DECLARE_CUSTOM_INPUT_MEMBER(sndcpu_nmi_r);
	DECLARE_CUSTOM_INPUT_MEMBER(subcpu_nmi_r);
	void init_fromanc4();
	void init_fromanc2();
	template<int VRAM, int Layer> TILE_GET_INFO_MEMBER(fromanc2_get_tile_info);
	template<int VRAM, int Layer> TILE_GET_INFO_MEMBER(fromancr_get_tile_info);
	virtual void machine_reset() override;
	DECLARE_MACHINE_START(fromanc2);
	DECLARE_VIDEO_START(fromanc2);
	DECLARE_VIDEO_START(fromancr);
	DECLARE_MACHINE_START(fromanc4);
	DECLARE_VIDEO_START(fromanc4);
	uint32_t screen_update_left(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	uint32_t screen_update_right(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	inline void fromanc2_dispvram_w( offs_t offset, uint16_t data, uint16_t mem_mask, int vram, int layer );
	inline void fromancr_vram_w(offs_t offset, uint16_t data, uint16_t mem_mask, int layer );
	void fromancr_gfxbank_w( int data );
	inline void fromanc4_vram_w( offs_t offset, uint16_t data, uint16_t mem_mask, int layer );
	void fromanc2(machine_config &config);
	void fromancr(machine_config &config);
	void fromanc4(machine_config &config);
	void fromanc2_main_map(address_map &map);
	void fromanc2_sound_io_map(address_map &map);
	void fromanc2_sound_map(address_map &map);
	void fromanc2_sub_io_map(address_map &map);
	void fromanc2_sub_map(address_map &map);
	void fromanc4_main_map(address_map &map);
	void fromancr_main_map(address_map &map);
};