1 // license:BSD-3-Clause
2 // copyright-holders:Roberto Fresca
3 
4 #include "tilemap.h"
5 
6 class gatron_state : public driver_device
7 {
8 public:
gatron_state(const machine_config & mconfig,device_type type,const char * tag)9 	gatron_state(const machine_config &mconfig, device_type type, const char *tag)
10 		: driver_device(mconfig, type, tag),
11 		m_videoram(*this, "videoram"),
12 		m_maincpu(*this, "maincpu"),
13 		m_gfxdecode(*this, "gfxdecode"),
14 		m_lamps(*this, "lamp%u", 0U) { }
15 
16 	void gat(machine_config &config);
17 
18 protected:
19 	virtual void video_start() override;
20 
21 private:
22 	required_shared_ptr<uint8_t> m_videoram;
23 	required_device<cpu_device> m_maincpu;
24 	required_device<gfxdecode_device> m_gfxdecode;
25 	output_finder<9> m_lamps;
26 	tilemap_t *m_bg_tilemap;
27 
28 	void output_port_0_w(uint8_t data);
29 	void videoram_w(offs_t offset, uint8_t data);
30 	void output_port_1_w(uint8_t data);
31 	TILE_GET_INFO_MEMBER(get_bg_tile_info);
32 
33 	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
34 
35 	void gat_map(address_map &map);
36 	void gat_portmap(address_map &map);
37 };
38