summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/includes/polepos.h
blob: dfbad5505ec8d3c65252b968f7ac6cee987fe58f (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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
// license:BSD-3-Clause
// copyright-holders:Ernesto Corvi, Juergen Buchmueller, Alex Pasadyn, Aaron Giles, Nicola Salmoria
/*************************************************************************

    Pole Position hardware

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

#include "sound/namco.h"
#include "sound/tms5220.h"
#include "sound/discrete.h"

struct filter2_context
{
	filter2_context() :
		x0(0.0),
		x1(0.0),
		x2(0.0),
		y0(0.0),
		y1(0.0),
		y2(0.0),
		a1(0.0),
		a2(0.0),
		b0(0.0),
		b1(0.0),
		b2(0.0)
	{}

	double x0, x1, x2;  /* x[k], x[k-1], x[k-2], current and previous 2 input values */
	double y0, y1, y2;  /* y[k], y[k-1], y[k-2], current and previous 2 output values */
	double a1, a2;      /* digital filter coefficients, denominator */
	double b0, b1, b2;  /* digital filter coefficients, numerator */
};


class polepos_state : public driver_device
{
public:
	polepos_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_maincpu(*this, "maincpu"),
		m_subcpu(*this, "sub"),
		m_subcpu2(*this, "sub2"),
		m_namco_sound(*this, "namco"),
		m_tms(*this, "tms"),
		m_sprite16_memory(*this, "sprite16_memory"),
		m_road16_memory(*this, "road16_memory"),
		m_alpha16_memory(*this, "alpha16_memory"),
		m_view16_memory(*this, "view16_memory"),
		m_gfxdecode(*this, "gfxdecode"),
		m_screen(*this, "screen"),
		m_palette(*this, "palette") { }

	required_device<cpu_device> m_maincpu;
	required_device<cpu_device> m_subcpu;
	required_device<cpu_device> m_subcpu2;
	optional_device<namco_device> m_namco_sound;
	optional_device<tms5220_device> m_tms;
	UINT8 m_steer_last;
	UINT8 m_steer_delta;
	INT16 m_steer_accum;
	INT16 m_last_result;
	INT8 m_last_signed;
	UINT8 m_last_unsigned;
	int m_adc_input;
	int m_auto_start_mask;
	required_shared_ptr<UINT16> m_sprite16_memory;
	required_shared_ptr<UINT16> m_road16_memory;
	required_shared_ptr<UINT16> m_alpha16_memory;
	required_shared_ptr<UINT16> m_view16_memory;
	required_device<gfxdecode_device> m_gfxdecode;
	required_device<screen_device> m_screen;
	required_device<palette_device> m_palette;

	UINT16 m_vertical_position_modifier[256];
	UINT16 m_road16_vscroll;
	tilemap_t *m_bg_tilemap;
	tilemap_t *m_tx_tilemap;
	int m_chacl;
	UINT16 m_scroll;
	UINT8 m_main_irq_mask;
	UINT8 m_sub_irq_mask;
	DECLARE_READ16_MEMBER(polepos2_ic25_r);
	DECLARE_READ8_MEMBER(polepos_adc_r);
	DECLARE_READ8_MEMBER(polepos_ready_r);
	DECLARE_WRITE8_MEMBER(polepos_latch_w);
	DECLARE_WRITE16_MEMBER(polepos_z8002_nvi_enable_w);
	DECLARE_READ16_MEMBER(polepos_sprite16_r);
	DECLARE_WRITE16_MEMBER(polepos_sprite16_w);
	DECLARE_READ8_MEMBER(polepos_sprite_r);
	DECLARE_WRITE8_MEMBER(polepos_sprite_w);
	DECLARE_READ16_MEMBER(polepos_road16_r);
	DECLARE_WRITE16_MEMBER(polepos_road16_w);
	DECLARE_READ8_MEMBER(polepos_road_r);
	DECLARE_WRITE8_MEMBER(polepos_road_w);
	DECLARE_WRITE16_MEMBER(polepos_road16_vscroll_w);
	DECLARE_READ16_MEMBER(polepos_view16_r);
	DECLARE_WRITE16_MEMBER(polepos_view16_w);
	DECLARE_READ8_MEMBER(polepos_view_r);
	DECLARE_WRITE8_MEMBER(polepos_view_w);
	DECLARE_WRITE16_MEMBER(polepos_view16_hscroll_w);
	DECLARE_WRITE8_MEMBER(polepos_chacl_w);
	DECLARE_READ16_MEMBER(polepos_alpha16_r);
	DECLARE_WRITE16_MEMBER(polepos_alpha16_w);
	DECLARE_READ8_MEMBER(polepos_alpha_r);
	DECLARE_WRITE8_MEMBER(polepos_alpha_w);
	DECLARE_CUSTOM_INPUT_MEMBER(high_port_r);
	DECLARE_CUSTOM_INPUT_MEMBER(low_port_r);
	DECLARE_CUSTOM_INPUT_MEMBER(auto_start_r);
	DECLARE_WRITE8_MEMBER(out_0);
	DECLARE_WRITE8_MEMBER(out_1);
	DECLARE_READ8_MEMBER(namco_52xx_rom_r);
	DECLARE_READ8_MEMBER(namco_52xx_si_r);
	DECLARE_READ8_MEMBER(namco_53xx_k_r);
	DECLARE_READ8_MEMBER(steering_changed_r);
	DECLARE_READ8_MEMBER(steering_delta_r);
	DECLARE_DRIVER_INIT(topracern);
	DECLARE_DRIVER_INIT(polepos2);
	TILE_GET_INFO_MEMBER(bg_get_tile_info);
	TILE_GET_INFO_MEMBER(tx_get_tile_info);
	DECLARE_MACHINE_RESET(polepos);
	DECLARE_VIDEO_START(polepos);
	DECLARE_PALETTE_INIT(polepos);
	UINT32 screen_update_polepos(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	TIMER_DEVICE_CALLBACK_MEMBER(polepos_scanline);
	void draw_road(bitmap_ind16 &bitmap);
	void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect );
	void zoom_sprite(bitmap_ind16 &bitmap,int big,UINT32 code,UINT32 color,int flipx,int sx,int sy,int sizex,int sizey);
};


/*----------- defined in audio/polepos.c -----------*/

class polepos_sound_device : public device_t,
								public device_sound_interface
{
public:
	polepos_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
	~polepos_sound_device() { }

protected:
	// device-level overrides
	virtual void device_start() override;
	virtual void device_reset() override;

	// sound stream update overrides
	virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;

public:
	DECLARE_WRITE8_MEMBER( polepos_engine_sound_lsb_w );
	DECLARE_WRITE8_MEMBER( polepos_engine_sound_msb_w );

private:
	UINT32 m_current_position;
	int m_sample_msb;
	int m_sample_lsb;
	int m_sample_enable;
	sound_stream *m_stream;
	filter2_context m_filter_engine[3];
};

extern const device_type POLEPOS;

DISCRETE_SOUND_EXTERN( polepos );