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
|
// license:BSD-3-Clause
// copyright-holders:Stefan Jokisch
/*************************************************************************
Atari Drag Race hardware
*************************************************************************/
#ifndef MAME_INCLUDES_DRAGRACE_H
#define MAME_INCLUDES_DRAGRACE_H
#pragma once
#include "machine/timer.h"
#include "machine/watchdog.h"
#include "sound/discrete.h"
#include "emupal.h"
#include "screen.h"
#include "tilemap.h"
// Discrete Sound Input Nodes
#define DRAGRACE_SCREECH1_EN NODE_01
#define DRAGRACE_SCREECH2_EN NODE_02
#define DRAGRACE_LOTONE_EN NODE_03
#define DRAGRACE_HITONE_EN NODE_04
#define DRAGRACE_EXPLODE1_EN NODE_05
#define DRAGRACE_EXPLODE2_EN NODE_06
#define DRAGRACE_MOTOR1_DATA NODE_07
#define DRAGRACE_MOTOR2_DATA NODE_08
#define DRAGRACE_MOTOR1_EN NODE_80
#define DRAGRACE_MOTOR2_EN NODE_81
#define DRAGRACE_KLEXPL1_EN NODE_82
#define DRAGRACE_KLEXPL2_EN NODE_83
#define DRAGRACE_ATTRACT_EN NODE_09
class dragrace_state : public driver_device
{
public:
dragrace_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_watchdog(*this, "watchdog"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_discrete(*this, "discrete"),
m_playfield_ram(*this, "playfield_ram"),
m_position_ram(*this, "position_ram"),
m_p(*this, "P%u", 1U),
m_dial(*this, "DIAL%u", 1U),
m_in(*this, "IN%u", 0U),
m_gear_sel(*this, "P%ugear", 1U),
m_tacho_sel(*this, "tachometer%u", 1U)
{
}
void dragrace(machine_config &config);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
private:
void speed1_w(uint8_t data);
void speed2_w(uint8_t data);
uint8_t input_r(offs_t offset);
uint8_t steering_r();
uint8_t scanline_r();
TILE_GET_INFO_MEMBER(get_tile_info);
void palette(palette_device &palette) const;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(frame_callback);
void main_map(address_map &map);
// devices
required_device<cpu_device> m_maincpu;
required_device<watchdog_timer_device> m_watchdog;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<discrete_sound_device> m_discrete;
// memory pointers
required_shared_ptr<uint8_t> m_playfield_ram;
required_shared_ptr<uint8_t> m_position_ram;
// inputs
required_ioport_array<2> m_p, m_dial;
required_ioport_array<3> m_in;
// outputs
output_finder<2> m_gear_sel, m_tacho_sel;
// video-related
tilemap_t *m_bg_tilemap = nullptr;
// misc
uint8_t m_gear[2]{};
};
//----------- defined in audio/dragrace.cpp -----------
DISCRETE_SOUND_EXTERN( dragrace_discrete );
#endif // MAME_INCLUDES_DRAGRACE_H
|