summaryrefslogtreecommitdiffstats
path: root/src/mame/includes/segas16a.h
blob: e10eb923192ba0bae969847f405c701af663cfd6 (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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************

    Sega pre-System 16 & System 16A hardware

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

#include "cpu/m68000/m68000.h"
#include "cpu/mcs48/mcs48.h"
#include "cpu/mcs51/mcs51.h"
#include "cpu/z80/z80.h"
#include "machine/cxd1095.h"
#include "machine/gen_latch.h"
#include "machine/i8255.h"
#include "machine/i8243.h"
#include "machine/nvram.h"
#include "machine/segaic16.h"
#include "machine/watchdog.h"
#include "sound/ym2151.h"
#include "video/segaic16.h"
#include "video/sega16sp.h"


// ======================> segas16a_state

class segas16a_state : public sega_16bit_common_base
{
public:
	// construction/destruction
	segas16a_state(const machine_config &mconfig, device_type type, const char *tag)
		: sega_16bit_common_base(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
		, m_soundcpu(*this, "soundcpu")
		, m_mcu(*this, "mcu")
		, m_i8255(*this, "i8255")
		, m_ymsnd(*this, "ymsnd")
		, m_n7751(*this, "n7751")
		, m_n7751_i8243(*this, "n7751_8243")
		, m_nvram(*this, "nvram")
		, m_watchdog(*this, "watchdog")
		, m_segaic16vid(*this, "segaic16vid")
		, m_soundlatch(*this, "soundlatch")
		, m_sprites(*this, "sprites")
		, m_cxdio(*this, "cxdio")
		, m_workram(*this, "nvram")
		, m_sound_decrypted_opcodes(*this, "sound_decrypted_opcodes")
		, m_video_control(0)
		, m_mcu_control(0)
		, m_n7751_command(0)
		, m_n7751_rom_address(0)
		, m_last_buttons1(0)
		, m_last_buttons2(0)
		, m_read_port(0)
		, m_mj_input_num(0)
		, m_mj_inputs(*this, {"MJ0", "MJ1", "MJ2", "MJ3", "MJ4", "MJ5"})
		, m_lamp(*this, "lamp%u", 0U)
	{ }

	// PPI read/write callbacks
	DECLARE_WRITE8_MEMBER( misc_control_w );
	DECLARE_WRITE8_MEMBER( tilemap_sound_w );

	// main CPU read/write handlers
	DECLARE_READ16_MEMBER( standard_io_r );
	DECLARE_WRITE16_MEMBER( standard_io_w );
	DECLARE_READ16_MEMBER( misc_io_r );
	DECLARE_WRITE16_MEMBER( misc_io_w );

	// Z80 sound CPU read/write handlers
	DECLARE_READ8_MEMBER( sound_data_r );
	DECLARE_WRITE8_MEMBER( n7751_command_w );
	DECLARE_WRITE8_MEMBER( n7751_control_w );
	DECLARE_WRITE8_MEMBER( n7751_rom_offset_w );

	// N7751 sound generator CPU read/write handlers
	DECLARE_READ8_MEMBER( n7751_rom_r );
	DECLARE_READ8_MEMBER( n7751_p2_r );
	DECLARE_WRITE8_MEMBER( n7751_p2_w );

	// I8751 MCU read/write handlers
	DECLARE_WRITE8_MEMBER( mcu_control_w );
	DECLARE_WRITE8_MEMBER( mcu_io_w );
	DECLARE_READ8_MEMBER( mcu_io_r );

	// I8751-related VBLANK interrupt handlers
	DECLARE_WRITE_LINE_MEMBER(i8751_main_cpu_vblank_w);

	// game-specific driver init
	void init_generic();
	void init_dumpmtmt();
	void init_quartet();
	void init_fantzonep();
	void init_sjryukoa();
	void init_aceattaca();
	void init_passsht16a();
	void init_mjleague();
	void init_sdi();

	// video updates
	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);

	void system16a_no7751(machine_config &config);
	void system16a(machine_config &config);
	void system16a_fd1089a_no7751(machine_config &config);
	void system16a_fd1089b_no7751(machine_config &config);
	void system16a_fd1089a(machine_config &config);
	void system16a_fd1094(machine_config &config);
	void system16a_no7751p(machine_config &config);
	void system16a_fd1094_no7751(machine_config &config);
	void system16a_i8751(machine_config &config);
	void system16a_fd1089b(machine_config &config);
	void aceattaca_fd1094(machine_config &config);
	void decrypted_opcodes_map(address_map &map);
	void mcu_io_map(address_map &map);
	void sound_decrypted_opcodes_map(address_map &map);
	void sound_map(address_map &map);
	void sound_no7751_portmap(address_map &map);
	void sound_portmap(address_map &map);
	void system16a_map(address_map &map);
protected:
	// internal types
	typedef delegate<void ()> i8751_sim_delegate;
	typedef delegate<void (uint8_t, uint8_t)> lamp_changed_delegate;

	// timer IDs
	enum
	{
		TID_INIT_I8751,
		TID_PPI_WRITE
	};

	// driver overrides
	virtual void video_start() override;
	virtual void machine_start() override { m_lamp.resolve(); }
	virtual void machine_reset() override;
	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;

	// I8751 simulations
	void dumpmtmt_i8751_sim();
	void quartet_i8751_sim();

	// custom I/O handlers
	DECLARE_READ16_MEMBER( aceattaca_custom_io_r );
	DECLARE_WRITE16_MEMBER( aceattaca_custom_io_w );
	DECLARE_READ16_MEMBER( mjleague_custom_io_r );
	DECLARE_READ16_MEMBER( passsht16a_custom_io_r );
	DECLARE_READ16_MEMBER( sdi_custom_io_r );
	DECLARE_READ16_MEMBER( sjryuko_custom_io_r );
	void sjryuko_lamp_changed_w(uint8_t changed, uint8_t newval);

	// devices
	required_device<m68000_device> m_maincpu;
	required_device<z80_device> m_soundcpu;
	optional_device<i8751_device> m_mcu;
	required_device<i8255_device> m_i8255;
	required_device<ym2151_device> m_ymsnd;
	optional_device<n7751_device> m_n7751;
	optional_device<i8243_device> m_n7751_i8243;
	required_device<nvram_device> m_nvram;
	required_device<watchdog_timer_device> m_watchdog;
	required_device<segaic16_video_device> m_segaic16vid;
	required_device<generic_latch_8_device> m_soundlatch;
	required_device<sega_sys16a_sprite_device> m_sprites;
	optional_device<cxd1095_device> m_cxdio;

	// memory pointers
	required_shared_ptr<uint16_t> m_workram;
	optional_shared_ptr<uint8_t> m_sound_decrypted_opcodes;

	// configuration
	read16_delegate         m_custom_io_r;
	write16_delegate        m_custom_io_w;
	i8751_sim_delegate      m_i8751_vblank_hook;
	lamp_changed_delegate   m_lamp_changed_w;

	// internal state
	uint8_t                   m_video_control;
	uint8_t                   m_mcu_control;
	uint8_t                   m_n7751_command;
	uint32_t                  m_n7751_rom_address;
	uint8_t                   m_last_buttons1;
	uint8_t                   m_last_buttons2;
	uint8_t                   m_read_port;
	uint8_t                   m_mj_input_num;
	optional_ioport_array<6> m_mj_inputs;
	output_finder<2> m_lamp;
};

class afighter_16a_analog_state : public segas16a_state
{
public:
	// construction/destruction
	afighter_16a_analog_state(const machine_config &mconfig, device_type type, const char *tag)
		: segas16a_state(mconfig, type, tag),
			m_accel(*this, "ACCEL"),
			m_steer(*this, "STEER")
	{ }

	DECLARE_CUSTOM_INPUT_MEMBER(afighter_accel_r);
	DECLARE_CUSTOM_INPUT_MEMBER(afighter_handl_left_r);
	DECLARE_CUSTOM_INPUT_MEMBER(afighter_handl_right_r);

protected:
	required_ioport     m_accel;
	required_ioport     m_steer;
};