1 // license:BSD-3-Clause
2 // copyright-holders:Farfetch'd,David Haywood,Tomasz Slanina
3 /***************************************************************************
4 
5     tecmosys protection simulation
6 
7 ***************************************************************************/
8 #ifndef MAME_INCLUDES_TECMOSYS_H
9 #define MAME_INCLUDES_TECMOSYS_H
10 
11 #pragma once
12 
13 #include "machine/eepromser.h"
14 #include "machine/gen_latch.h"
15 #include "machine/input_merger.h"
16 #include "machine/watchdog.h"
17 #include "emupal.h"
18 #include "screen.h"
19 #include "tilemap.h"
20 
21 class tecmosys_state : public driver_device
22 {
23 public:
tecmosys_state(const machine_config & mconfig,device_type type,const char * tag)24 	tecmosys_state(const machine_config &mconfig, device_type type, const char *tag)
25 		: driver_device(mconfig, type, tag)
26 		, m_maincpu(*this, "maincpu")
27 		, m_audiocpu(*this, "audiocpu")
28 		, m_eeprom(*this, "eeprom")
29 		, m_watchdog(*this, "watchdog")
30 		, m_gfxdecode(*this, "gfxdecode")
31 		, m_screen(*this, "screen")
32 		, m_palette(*this, "palette")
33 		, m_soundlatch(*this, "soundlatch")
34 		, m_soundnmi(*this, "soundnmi")
35 		, m_spriteram(*this, "spriteram")
36 		, m_tilemap_paletteram16(*this, "tmap_palette")
37 		, m_vram(*this, "vram_%u", 0)
38 		, m_lineram(*this, "bg%u_lineram", 0)
39 		, m_scroll(*this, "scroll_%u", 0)
40 		, m_880000regs(*this, "880000regs")
41 		, m_sprite_region(*this, "sprites")
42 		, m_audiobank(*this, "audiobank")
43 		, m_okibank(*this, "okibank%u", 1)
44 	{
45 	}
46 
47 	void tecmosys(machine_config &config);
48 
49 	void init_tkdensha();
50 	void init_deroon();
51 	void init_tkdensho();
52 
53 protected:
54 	virtual void machine_start() override;
55 	virtual void video_start() override;
56 
57 private:
58 	required_device<cpu_device> m_maincpu;
59 	required_device<cpu_device> m_audiocpu;
60 	required_device<eeprom_serial_93cxx_device> m_eeprom;
61 	required_device<watchdog_timer_device> m_watchdog;
62 	required_device<gfxdecode_device> m_gfxdecode;
63 	required_device<screen_device> m_screen;
64 	required_device<palette_device> m_palette;
65 	required_device<generic_latch_8_device> m_soundlatch;
66 	required_device<input_merger_device> m_soundnmi;
67 
68 	required_shared_ptr<u16> m_spriteram;
69 	required_shared_ptr<u16> m_tilemap_paletteram16;
70 	required_shared_ptr_array<u16, 4> m_vram;
71 	required_shared_ptr_array<u16, 3> m_lineram;
72 	required_shared_ptr_array<u16, 4> m_scroll;
73 	required_shared_ptr<u16> m_880000regs;
74 
75 	required_region_ptr<u8> m_sprite_region;
76 	std::unique_ptr<u8[]>   m_sprite_gfx;
77 	offs_t                  m_sprite_gfx_mask;
78 
79 	required_memory_bank m_audiobank;
80 	required_memory_bank_array<2> m_okibank;
81 
82 	int m_spritelist;
83 	bitmap_ind16 m_sprite_bitmap;
84 	bitmap_ind16 m_tmp_tilemap_composebitmap;
85 	bitmap_ind16 m_tmp_tilemap_renderbitmap;
86 	tilemap_t *m_tilemap[4];
87 	u8 m_device_read_ptr;
88 	u8 m_device_status;
89 	const struct prot_data* m_device_data;
90 	u8 m_device_value;
91 
92 	u8 sound_command_pending_r();
93 	void sound_nmi_disable_w(u8 data);
94 	void unk880000_w(offs_t offset, u16 data, u16 mem_mask = ~0);
95 	u16 unk880000_r(offs_t offset);
96 	void z80_bank_w(u8 data);
97 	void oki_bank_w(u8 data);
98 	u16 prot_status_r(offs_t offset, u16 mem_mask = ~0);
99 	void prot_status_w(u16 data);
100 	u16 prot_data_r();
101 	void prot_data_w(u16 data);
102 	template<int Layer> void vram_w(offs_t offset, u16 data, u16 mem_mask = ~0);
103 	void tilemap_paletteram16_xGGGGGRRRRRBBBBB_word_w(offs_t offset, u16 data, u16 mem_mask = ~0);
104 	template<int Layer> void lineram_w(offs_t offset, u16 data, u16 mem_mask = ~0);
105 	u16 eeprom_r();
106 	void eeprom_w(offs_t offset, u16 data, u16 mem_mask = ~0);
107 
108 	template<int Layer> TILE_GET_INFO_MEMBER(get_tile_info);
109 
110 	u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
111 	void prot_init(int which);
112 	void prot_reset();
113 	inline void set_color_555(pen_t color, int rshift, int gshift, int bshift, u16 data);
114 	void render_sprites_to_bitmap(const rectangle &cliprect, u16 extrax, u16 extray);
115 	void tilemap_copy_to_compose(u16 pri, const rectangle &cliprect);
116 	void do_final_mix(bitmap_rgb32 &bitmap, const rectangle &cliprect);
117 	void descramble();
118 
119 	void io_map(address_map &map);
120 	void main_map(address_map &map);
121 	void oki_map(address_map &map);
122 	void sound_map(address_map &map);
123 };
124 
125 #endif // MAME_INCLUDES_TECMOSYS_H
126