1 // license:BSD-3-Clause
2 // copyright-holders:Paul Leaman
3 /***************************************************************************
4 
5     1943
6 
7 ***************************************************************************/
8 #ifndef MAME_INCLUDES_1943_H
9 #define MAME_INCLUDES_1943_H
10 
11 #pragma once
12 
13 #include "cpu/mcs51/mcs51.h"
14 #include "emupal.h"
15 #include "screen.h"
16 #include "tilemap.h"
17 
18 class _1943_state : public driver_device
19 {
20 public:
_1943_state(const machine_config & mconfig,device_type type,const char * tag)21 	_1943_state(const machine_config &mconfig, device_type type, const char *tag) :
22 		driver_device(mconfig, type, tag),
23 		m_maincpu(*this, "maincpu"),
24 		m_mcu(*this, "mcu"),
25 		m_videoram(*this, "videoram"),
26 		m_colorram(*this, "colorram"),
27 		m_scrollx(*this, "scrollx"),
28 		m_scrolly(*this, "scrolly"),
29 		m_bgscrollx(*this, "bgscrollx"),
30 		m_spriteram(*this, "spriteram"),
31 		m_gfxdecode(*this, "gfxdecode"),
32 		m_palette(*this, "palette"),
33 		m_screen(*this, "screen"),
34 		m_tilerom(*this, "tilerom"),
35 		m_proms(*this, "proms"),
36 		m_mainbank(*this, "mainbank")
37 	{ }
38 
39 	void _1943(machine_config &config);
40 	void _1943b(machine_config &config);
41 
42 	void init_1943();
43 
44 private:
45 	/* devices / memory pointers */
46 	required_device<cpu_device> m_maincpu;
47 	optional_device<i8751_device> m_mcu;
48 	required_shared_ptr<u8> m_videoram;
49 	required_shared_ptr<u8> m_colorram;
50 	required_shared_ptr<u8> m_scrollx;
51 	required_shared_ptr<u8> m_scrolly;
52 	required_shared_ptr<u8> m_bgscrollx;
53 	required_shared_ptr<u8> m_spriteram;
54 	required_device<gfxdecode_device> m_gfxdecode;
55 	required_device<palette_device> m_palette;
56 	required_device<screen_device> m_screen;
57 	required_region_ptr<u8> m_tilerom;
58 	required_region_ptr<u8> m_proms;
59 	required_memory_bank m_mainbank;
60 
61 	/* video-related */
62 	tilemap_t *m_fg_tilemap;
63 	tilemap_t *m_bg_tilemap;
64 	tilemap_t *m_bg2_tilemap;
65 	int     m_char_on;
66 	int     m_obj_on;
67 	int     m_bg1_on;
68 	int     m_bg2_on;
69 
70 	/* protection */
71 	u8 m_cpu_to_mcu; // ls374 at 5k
72 	u8 m_mcu_to_cpu; // ls374 at 6k
73 	u8 m_audiocpu_to_mcu; // ls374 at 5l
74 	u8 m_mcu_to_audiocpu; // ls374 at 6l
75 	u8 m_mcu_p0;
76 	u8 m_mcu_p2;
77 	u8 m_mcu_p3;
78 
79 	INTERRUPT_GEN_MEMBER(mcu_irq);
80 	void mcu_p3_w(u8 data);
81 
82 	void videoram_w(offs_t offset, u8 data);
83 	void colorram_w(offs_t offset, u8 data);
84 	void c804_w(u8 data);
85 	void d806_w(u8 data);
86 
87 	TILE_GET_INFO_MEMBER(get_bg2_tile_info);
88 	TILE_GET_INFO_MEMBER(get_bg_tile_info);
89 	TILE_GET_INFO_MEMBER(get_fg_tile_info);
90 	virtual void machine_start() override;
91 	virtual void machine_reset() override;
92 	virtual void video_start() override;
93 	void _1943_palette(palette_device &palette) const;
94 	u32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
95 	void _1943_drawgfx(bitmap_ind16 &dest_bmp,const rectangle &clip,gfx_element *gfx,
96 							u32 code,u32 color,bool flipx,bool flipy,int offsx,int offsy,
97 							u8 transparent_color);
98 	void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
99 
100 	void c1943_map(address_map &map);
101 	void c1943b_map(address_map &map);
102 	void sound_map(address_map &map);
103 };
104 
105 #endif // MAME_INCLUDES_1943_H
106