summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/includes/lockon.h
blob: 86407bd367179fc179e1bcd224eed0e1388e02da (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
// license:BSD-3-Clause
// copyright-holders:Philip Bennett
/*************************************************************************

    Lock-On hardware

*************************************************************************/

#include "sound/flt_vol.h"

/* Calculated from CRT controller writes */
#define PIXEL_CLOCK            (XTAL_21MHz / 3)
#define FRAMEBUFFER_CLOCK      XTAL_10MHz
#define HBSTART                320
#define HBEND                  0
#define HTOTAL                 448
#define VBSTART                240
#define VBEND                  0
#define VTOTAL                 280


class lockon_state : public driver_device
{
public:
	lockon_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_char_ram(*this, "char_ram"),
		m_hud_ram(*this, "hud_ram"),
		m_scene_ram(*this, "scene_ram"),
		m_ground_ram(*this, "ground_ram"),
		m_object_ram(*this, "object_ram"),
		m_maincpu(*this, "maincpu"),
		m_audiocpu(*this, "audiocpu"),
		m_ground(*this, "ground"),
		m_object(*this, "object"),
		m_f2203_1l(*this, "f2203.1l"),
		m_f2203_2l(*this, "f2203.2l"),
		m_f2203_3l(*this, "f2203.3l"),
		m_f2203_1r(*this, "f2203.1r"),
		m_f2203_2r(*this, "f2203.2r"),
		m_f2203_3r(*this, "f2203.3r"),
		m_gfxdecode(*this, "gfxdecode"),
		m_screen(*this, "screen"),
		m_palette(*this, "palette") { }

	/* memory pointers */
	required_shared_ptr<UINT16> m_char_ram;
	required_shared_ptr<UINT16> m_hud_ram;
	required_shared_ptr<UINT16> m_scene_ram;
	required_shared_ptr<UINT16> m_ground_ram;
	required_shared_ptr<UINT16> m_object_ram;

	/* video-related */
	tilemap_t       *m_tilemap;
	UINT8           m_ground_ctrl;
	UINT16          m_scroll_h;
	UINT16          m_scroll_v;
	std::unique_ptr<bitmap_ind16> m_front_buffer;
	std::unique_ptr<bitmap_ind16> m_back_buffer;
	emu_timer       *m_bufend_timer;
	emu_timer       *m_cursor_timer;

	/* Rotation Control */
	UINT16      m_xsal;
	UINT16      m_x0ll;
	UINT16      m_dx0ll;
	UINT16      m_dxll;
	UINT16      m_ysal;
	UINT16      m_y0ll;
	UINT16      m_dy0ll;
	UINT16      m_dyll;

	/* Object palette RAM control */
	UINT32      m_iden;
	std::unique_ptr<UINT8[]>       m_obj_pal_ram;
	UINT32      m_obj_pal_latch;
	UINT32      m_obj_pal_addr;

	/* misc */
	UINT8       m_ctrl_reg;
	UINT32      m_main_inten;

	/* devices */
	required_device<cpu_device> m_maincpu;
	required_device<cpu_device> m_audiocpu;
	required_device<cpu_device> m_ground;
	required_device<cpu_device> m_object;
	required_device<filter_volume_device> m_f2203_1l;
	required_device<filter_volume_device> m_f2203_2l;
	required_device<filter_volume_device> m_f2203_3l;
	required_device<filter_volume_device> m_f2203_1r;
	required_device<filter_volume_device> m_f2203_2r;
	required_device<filter_volume_device> m_f2203_3r;
	required_device<gfxdecode_device> m_gfxdecode;
	required_device<screen_device> m_screen;
	required_device<palette_device> m_palette;

	DECLARE_READ16_MEMBER(lockon_crtc_r);
	DECLARE_WRITE16_MEMBER(lockon_crtc_w);
	DECLARE_WRITE16_MEMBER(lockon_char_w);
	DECLARE_WRITE16_MEMBER(lockon_scene_h_scr_w);
	DECLARE_WRITE16_MEMBER(lockon_scene_v_scr_w);
	DECLARE_WRITE16_MEMBER(lockon_ground_ctrl_w);
	DECLARE_WRITE16_MEMBER(lockon_tza112_w);
	DECLARE_READ16_MEMBER(lockon_obj_4000_r);
	DECLARE_WRITE16_MEMBER(lockon_obj_4000_w);
	DECLARE_WRITE16_MEMBER(lockon_fb_clut_w);
	DECLARE_WRITE16_MEMBER(lockon_rotate_w);
	DECLARE_WRITE16_MEMBER(adrst_w);
	DECLARE_READ16_MEMBER(main_gnd_r);
	DECLARE_WRITE16_MEMBER(main_gnd_w);
	DECLARE_READ16_MEMBER(main_obj_r);
	DECLARE_WRITE16_MEMBER(main_obj_w);
	DECLARE_WRITE16_MEMBER(tst_w);
	DECLARE_READ16_MEMBER(main_z80_r);
	DECLARE_WRITE16_MEMBER(main_z80_w);
	DECLARE_WRITE16_MEMBER(inten_w);
	DECLARE_WRITE16_MEMBER(emres_w);
	DECLARE_READ8_MEMBER(adc_r);
	DECLARE_WRITE8_MEMBER(sound_vol);
	DECLARE_WRITE8_MEMBER(ym2203_out_b);
	TILE_GET_INFO_MEMBER(get_lockon_tile_info);
	virtual void machine_start() override;
	virtual void machine_reset() override;
	virtual void video_start() override;
	DECLARE_PALETTE_INIT(lockon);
	UINT32 screen_update_lockon(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	void screen_eof_lockon(screen_device &screen, bool state);
	TIMER_CALLBACK_MEMBER(cursor_callback);
	TIMER_CALLBACK_MEMBER(bufend_callback);
	void scene_draw(  );
	void ground_draw(  );
	void objects_draw(  );
	void rotate_draw( bitmap_ind16 &bitmap, const rectangle &cliprect );
	void hud_draw( bitmap_ind16 &bitmap, const rectangle &cliprect );
	DECLARE_WRITE_LINE_MEMBER(ym2203_irq);
};