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// license:GPL-2.0+
// copyright-holders:Jarek Burczynski

#include "machine/buggychl.h"
#include "machine/gen_latch.h"
#include "sound/msm5232.h"

class fortyl_state : public driver_device
{
public:
	fortyl_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_videoram(*this, "videoram"),
		m_video_ctrl(*this, "video_ctrl"),
		m_spriteram(*this, "spriteram"),
		m_colorram(*this, "colorram"),
		m_spriteram2(*this, "spriteram2"),
		m_mcu_ram(*this, "mcu_ram"),
		m_audiocpu(*this, "audiocpu"),
		m_maincpu(*this, "maincpu"),
		m_mcu(*this, "mcu"),
		m_bmcu(*this, "bmcu"),
		m_msm(*this, "msm"),
		m_gfxdecode(*this, "gfxdecode"),
		m_palette(*this, "palette"),
		m_soundlatch(*this, "soundlatch") { }

	/* memory pointers */
	required_shared_ptr<UINT8> m_videoram;
	required_shared_ptr<UINT8> m_video_ctrl;
	required_shared_ptr<UINT8> m_spriteram;
	required_shared_ptr<UINT8> m_colorram;
	required_shared_ptr<UINT8> m_spriteram2;
	optional_shared_ptr<UINT8> m_mcu_ram;

	/* video-related */
	std::unique_ptr<bitmap_ind16>    m_tmp_bitmap1;
	std::unique_ptr<bitmap_ind16>    m_tmp_bitmap2;
	tilemap_t     *m_bg_tilemap;
	UINT8       m_flipscreen;
	UINT8       m_pix_redraw;
	UINT8       m_xoffset;
	std::unique_ptr<UINT8[]>       m_pixram1;
	std::unique_ptr<UINT8[]>       m_pixram2;
	bitmap_ind16    *m_pixel_bitmap1;
	bitmap_ind16    *m_pixel_bitmap2;
	int         m_pixram_sel;
	bool        m_color_bank;
	bool        m_screen_disable;

	/* sound-related */
	int         m_sound_nmi_enable;
	int         m_pending_nmi;

	/* fake mcu */
	UINT8       m_from_mcu;
	int         m_mcu_sent;
	int         m_main_sent;
	UINT8       m_mcu_in[2][16];
	UINT8       m_mcu_out[2][16];
	int         m_mcu_cmd;

	/* misc */
	int         m_pix_color[4];
	UINT8       m_pix1;
	UINT8       m_pix2[2];
	UINT8       m_snd_data;
	UINT8       m_snd_flag;
	int         m_vol_ctrl[16];
	UINT8       m_snd_ctrl0;
	UINT8       m_snd_ctrl1;
	UINT8       m_snd_ctrl2;
	UINT8       m_snd_ctrl3;

	/* devices */
	required_device<cpu_device> m_audiocpu;
	required_device<cpu_device> m_maincpu;
	optional_device<cpu_device> m_mcu;
	optional_device<buggychl_mcu_device> m_bmcu;
	required_device<msm5232_device> m_msm;
	required_device<gfxdecode_device> m_gfxdecode;
	required_device<palette_device> m_palette;
	required_device<generic_latch_8_device> m_soundlatch;

	DECLARE_WRITE8_MEMBER(sound_command_w);
	DECLARE_WRITE8_MEMBER(nmi_disable_w);
	DECLARE_WRITE8_MEMBER(nmi_enable_w);
	DECLARE_WRITE8_MEMBER(bank_select_w);
	DECLARE_WRITE8_MEMBER(pix1_w);
	DECLARE_WRITE8_MEMBER(pix2_w);
	DECLARE_READ8_MEMBER(pix2_r);
	DECLARE_WRITE8_MEMBER(undoukai_mcu_w);
	DECLARE_READ8_MEMBER(undoukai_mcu_r);
	DECLARE_READ8_MEMBER(undoukai_mcu_status_r);
	DECLARE_READ8_MEMBER(from_snd_r);
	DECLARE_READ8_MEMBER(snd_flag_r);
	DECLARE_WRITE8_MEMBER(to_main_w);
	DECLARE_WRITE8_MEMBER(fortyl_pixram_sel_w);
	DECLARE_READ8_MEMBER(fortyl_pixram_r);
	DECLARE_WRITE8_MEMBER(fortyl_pixram_w);
	DECLARE_WRITE8_MEMBER(fortyl_bg_videoram_w);
	DECLARE_READ8_MEMBER(fortyl_bg_videoram_r);
	DECLARE_WRITE8_MEMBER(fortyl_bg_colorram_w);
	DECLARE_READ8_MEMBER(fortyl_bg_colorram_r);
	DECLARE_WRITE8_MEMBER(pix1_mcu_w);
	DECLARE_WRITE8_MEMBER(sound_control_0_w);
	DECLARE_WRITE8_MEMBER(sound_control_1_w);
	DECLARE_WRITE8_MEMBER(sound_control_2_w);
	DECLARE_WRITE8_MEMBER(sound_control_3_w);
	DECLARE_DRIVER_INIT(undoukai);
	DECLARE_DRIVER_INIT(40love);
	TILE_GET_INFO_MEMBER(get_bg_tile_info);
	virtual void video_start() override;
	DECLARE_PALETTE_INIT(fortyl);
	DECLARE_MACHINE_START(40love);
	DECLARE_MACHINE_RESET(40love);
	DECLARE_MACHINE_START(undoukai);
	DECLARE_MACHINE_RESET(undoukai);
	DECLARE_MACHINE_RESET(common);
	DECLARE_MACHINE_RESET(ta7630);
	UINT32 screen_update_fortyl(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	void redraw_pixels();
	void fortyl_set_scroll_x( int offset );
	void fortyl_plot_pix( int offset );
	void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
	void draw_pixram( bitmap_ind16 &bitmap, const rectangle &cliprect );

	enum
	{
		TIMER_NMI_CALLBACK
	};

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