1 // license:BSD-3-Clause
2 // copyright-holders:Nicola Salmoria
3 
4 #include "machine/taitosjsec.h"
5 
6 #include "machine/input_merger.h"
7 
8 #include "sound/dac.h"
9 #include "sound/discrete.h"
10 #include "sound/ay8910.h"
11 
12 #include "emupal.h"
13 #include "screen.h"
14 
15 
16 class taitosj_state : public driver_device
17 {
18 public:
taitosj_state(const machine_config & mconfig,device_type type,const char * tag)19 	taitosj_state(const machine_config &mconfig, device_type type, const char *tag)
20 		: driver_device(mconfig, type, tag),
21 		m_videoram_1(*this, "videoram_1"),
22 		m_videoram_2(*this, "videoram_2"),
23 		m_videoram_3(*this, "videoram_3"),
24 		m_spriteram(*this, "spriteram"),
25 		m_paletteram(*this, "paletteram"),
26 		m_characterram(*this, "characterram"),
27 		m_scroll(*this, "scroll"),
28 		m_colscrolly(*this, "colscrolly"),
29 		m_gfxpointer(*this, "gfxpointer"),
30 		m_colorbank(*this, "colorbank"),
31 		m_video_mode(*this, "video_mode"),
32 		m_video_priority(*this, "video_priority"),
33 		m_collision_reg(*this, "collision_reg"),
34 		m_kikstart_scrollram(*this, "kikstart_scroll"),
35 		m_maincpu(*this, "maincpu"),
36 		m_audiocpu(*this, "audiocpu"),
37 		m_mcu(*this, "bmcu"),
38 		m_soundnmi(*this, "soundnmi"),
39 		m_soundnmi2(*this, "soundnmi2"),
40 		m_dac(*this, "dac"),
41 		m_dacvol(*this, "dacvol"),
42 		m_ay1(*this, "ay1"),
43 		m_ay2(*this, "ay2"),
44 		m_ay3(*this, "ay3"),
45 		m_ay4(*this, "ay4"),
46 		m_gfxdecode(*this, "gfxdecode"),
47 		m_screen(*this, "screen"),
48 		m_palette(*this, "palette") { }
49 
50 	void mcu(machine_config &config);
51 	void nomcu(machine_config &config);
52 	void kikstart(machine_config &config);
53 
54 	void init_alpinea();
55 	void init_alpine();
56 	void init_taitosj();
57 	void init_junglhbr();
58 	void init_spacecr();
59 
60 	DECLARE_CUSTOM_INPUT_MEMBER(input_port_4_f0_r);
61 	template <int Player> DECLARE_CUSTOM_INPUT_MEMBER(kikstart_gear_r);
62 
63 private:
64 	required_shared_ptr<uint8_t> m_videoram_1;
65 	required_shared_ptr<uint8_t> m_videoram_2;
66 	required_shared_ptr<uint8_t> m_videoram_3;
67 	required_shared_ptr<uint8_t> m_spriteram;
68 	required_shared_ptr<uint8_t> m_paletteram;
69 	required_shared_ptr<uint8_t> m_characterram;
70 	required_shared_ptr<uint8_t> m_scroll;
71 	required_shared_ptr<uint8_t> m_colscrolly;
72 	required_shared_ptr<uint8_t> m_gfxpointer;
73 	required_shared_ptr<uint8_t> m_colorbank;
74 	required_shared_ptr<uint8_t> m_video_mode;
75 	required_shared_ptr<uint8_t> m_video_priority;
76 	required_shared_ptr<uint8_t> m_collision_reg;
77 	optional_shared_ptr<uint8_t> m_kikstart_scrollram;
78 
79 	required_device<cpu_device> m_maincpu;
80 	required_device<cpu_device> m_audiocpu;
81 	optional_device<taito_sj_security_mcu_device> m_mcu;
82 	required_device<input_merger_device> m_soundnmi;
83 	required_device<input_merger_device> m_soundnmi2;
84 	required_device<dac_8bit_r2r_device> m_dac;
85 	required_device<discrete_sound_device> m_dacvol;
86 	required_device<ay8910_device> m_ay1;
87 	required_device<ay8910_device> m_ay2;
88 	required_device<ay8910_device> m_ay3;
89 	required_device<ay8910_device> m_ay4;
90 	required_device<gfxdecode_device> m_gfxdecode;
91 	required_device<screen_device> m_screen;
92 	required_device<palette_device> m_palette;
93 
94 	typedef void (taitosj_state::*copy_layer_func_t)(bitmap_ind16 &,
95 									const rectangle &, int, int *, rectangle *);
96 	uint8_t m_input_port_4_f0;
97 	uint8_t m_kikstart_gears[2];
98 
99 	uint8_t m_spacecr_prot_value;
100 	uint8_t m_protection_value;
101 	uint32_t m_address;
102 	uint8_t m_soundlatch_data;
103 	bool m_soundlatch_flag;  // 74ls74 1/2 @ GAME BOARD IC42
104 	bool m_sound_semaphore2;  // 74ls74 2/2 @ GAME BOARD IC42
105 	bitmap_ind16 m_layer_bitmap[3];
106 	bitmap_ind16 m_sprite_sprite_collbitmap1;
107 	bitmap_ind16 m_sprite_sprite_collbitmap2;
108 	bitmap_ind16 m_sprite_layer_collbitmap1;
109 	bitmap_ind16 m_sprite_layer_collbitmap2[3];
110 	int m_draw_order[32][4];
111 	void soundlatch_w(uint8_t data);
112 	void sound_semaphore2_w(uint8_t data);
113 	TIMER_CALLBACK_MEMBER(soundlatch_w_cb);
114 	TIMER_CALLBACK_MEMBER(soundlatch_clear7_w_cb);
115 	TIMER_CALLBACK_MEMBER(sound_semaphore2_w_cb);
116 	TIMER_CALLBACK_MEMBER(sound_semaphore2_clear_w_cb);
117 	uint8_t soundlatch_r();
118 	void soundlatch_clear7_w(uint8_t data);
119 	uint8_t soundlatch_flags_r();
120 	void sound_semaphore2_clear_w(uint8_t data);
121 	void taitosj_bankswitch_w(uint8_t data);
122 	uint8_t taitosj_fake_data_r();
123 	void taitosj_fake_data_w(uint8_t data);
124 	uint8_t taitosj_fake_status_r();
125 	uint8_t mcu_mem_r(offs_t offset);
126 	void mcu_mem_w(offs_t offset, uint8_t data);
127 	DECLARE_WRITE_LINE_MEMBER(mcu_intrq_w);
128 	DECLARE_WRITE_LINE_MEMBER(mcu_busrq_w);
129 	uint8_t spacecr_prot_r();
130 	void alpine_protection_w(uint8_t data);
131 	void alpinea_bankswitch_w(uint8_t data);
132 	uint8_t alpine_port_2_r();
133 	uint8_t taitosj_gfxrom_r();
134 	void taitosj_characterram_w(offs_t offset, uint8_t data);
135 	void junglhbr_characterram_w(offs_t offset, uint8_t data);
136 	void taitosj_collision_reg_clear_w(uint8_t data);
137 
138 	void taitosj_sndnmi_msk_w(uint8_t data);
139 	void input_port_4_f0_w(uint8_t data);
140 	void taitosj_dacvol_w(uint8_t data);
141 
142 	virtual void machine_start() override;
143 	virtual void machine_reset() override;
144 	virtual void video_start() override;
145 	uint32_t screen_update_taitosj(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
146 	uint32_t screen_update_kikstart(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
147 	void init_common();
148 	void reset_common();
149 	void set_pens();
150 	void compute_draw_order();
151 	inline int get_sprite_xy(uint8_t which, uint8_t* sx, uint8_t* sy);
152 	inline gfx_element *get_sprite_gfx_element(uint8_t which);
153 	void check_sprite_sprite_collision();
154 	void calculate_sprite_areas(int *sprites_on, rectangle *sprite_areas);
155 	int check_sprite_layer_bitpattern(int which, rectangle *sprite_areas);
156 	void check_sprite_layer_collision(int *sprites_on, rectangle *sprite_areas);
157 	void draw_layers();
158 	void draw_sprites(bitmap_ind16 &bitmap);
159 	void check_collision(int *sprites_on, rectangle *sprite_areas);
160 	int check_sprite_sprite_bitpattern(int sx1, int sy1, int which1,int sx2, int sy2, int which2);
161 	void taitosj_copy_layer(bitmap_ind16 &bitmap, const rectangle &cliprect,int which, int *sprites_on, rectangle *sprite_areas);
162 	void kikstart_copy_layer(bitmap_ind16 &bitmap, const rectangle &cliprect,int which, int *sprites_on, rectangle *sprite_areas);
163 	void copy_layer(bitmap_ind16 &bitmap, const rectangle &cliprect,copy_layer_func_t copy_layer_func, int which, int *sprites_on, rectangle *sprite_areas);
164 	void copy_layers(bitmap_ind16 &bitmap, const rectangle &cliprect,copy_layer_func_t copy_layer_func, int *sprites_on, rectangle *sprite_areas);
165 	int video_update_common(bitmap_ind16 &bitmap, const rectangle &cliprect, copy_layer_func_t copy_layer_func);
166 
167 	void kikstart_main_map(address_map &map);
168 	void taitosj_audio_map(address_map &map);
169 	void taitosj_main_mcu_map(address_map &map);
170 	void taitosj_main_nomcu_map(address_map &map);
171 };
172