summaryrefslogtreecommitdiffstats
path: root/src/mame/drivers/regence.cpp
blob: d03f75fe4c04602890b15a853023eacb2b13222f (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
208
209
210
211
212
213
214
215
216
217
// license:BSD-3-Clause
// copyright-holders:hap
/******************************************************************************

La Régence, French chess computer by "France Double R". German distribution
by Sandy Electronic, who sub-titled it TSB 4 (Turniersensorbrett).

The chess engine is Richard Lang's Cyrus.

Hardware notes:
- PCB label: FRANCE DOUBLE R, MADE IN FRANCE
- Sharp LH0080A Z80A @ 4 MHz (8MHz XTAL)
- 3*4KB ROM, sockets support up to 48KB ROM
- 2KB RAM (MSM5128-15RS), 3 sockets, only middle one used
- TTL, piezo, 8*8+4 LEDs, magnetic sensors

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

#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/sensorboard.h"
#include "sound/dac.h"
#include "video/pwm.h"
#include "speaker.h"

// internal artwork
#include "regence.lh" // clickable


namespace {

class regence_state : public driver_device
{
public:
	regence_state(const machine_config &mconfig, device_type type, const char *tag) :
		driver_device(mconfig, type, tag),
		m_maincpu(*this, "maincpu"),
		m_display(*this, "display"),
		m_board(*this, "board"),
		m_dac(*this, "dac"),
		m_inputs(*this, "IN.%u", 0)
	{ }

	// machine configs
	void regence(machine_config &config);

protected:
	virtual void machine_start() override;

private:
	// devices/pointers
	required_device<cpu_device> m_maincpu;
	required_device<pwm_display_device> m_display;
	required_device<sensorboard_device> m_board;
	required_device<dac_bit_interface> m_dac;
	required_ioport_array<2> m_inputs;

	// address maps
	void main_map(address_map &map);

	// I/O handlers
	void update_display();
	void control_w(u8 data);
	void leds_w(u8 data);
	u8 input_r();

	u8 m_inp_mux = 0;
	u8 m_led_data = 0;
};

void regence_state::machine_start()
{
	// register for savestates
	save_item(NAME(m_inp_mux));
	save_item(NAME(m_led_data));
}



/******************************************************************************
    I/O
******************************************************************************/

void regence_state::update_display()
{
	m_display->matrix(1 << m_inp_mux, m_led_data);
}

void regence_state::control_w(u8 data)
{
	// d0-d3: input mux/led select
	m_inp_mux = data & 0xf;
	update_display();

	// d7: speaker out
	m_dac->write(BIT(data, 7));

	// other: ?
}

void regence_state::leds_w(u8 data)
{
	// d0-d7: led data
	m_led_data = data;
	update_display();
}

u8 regence_state::input_r()
{
	u8 data = 0;

	// d0-d7: multiplexed inputs
	// read chessboard sensors
	if (m_inp_mux < 8)
		data = m_board->read_file(m_inp_mux, true);

	// read other buttons
	else if (m_inp_mux < 10)
		data = m_inputs[m_inp_mux - 8]->read();

	return data;
}



/******************************************************************************
    Address Maps
******************************************************************************/

void regence_state::main_map(address_map &map)
{
	map(0x0000, 0x0fff).rom();
	map(0x4000, 0x4fff).rom();
	map(0x8000, 0x8fff).rom();
	map(0xd000, 0xd7ff).ram();
	map(0xf000, 0xf000).rw(FUNC(regence_state::input_r), FUNC(regence_state::control_w));
	map(0xf800, 0xf800).w(FUNC(regence_state::leds_w));
}



/******************************************************************************
    Input Ports
******************************************************************************/

static INPUT_PORTS_START( regence )
	PORT_START("IN.0")
	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_S) PORT_NAME("Changement de Position (Set Up)") // Veränderung
	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_T) PORT_NAME(u8"Retour en Arrière (Take Back)") // Zug Zurück
	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_N) PORT_NAME("Nouvelle Partie (New Game)") // Neues Spiel (press after setup)
	PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("King")
	PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("Queen")
	PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("Rook")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("Bishop")
	PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)

	PORT_START("IN.1")
	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_O) PORT_NAME("Son (Sound)") // Ton
	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_L) PORT_NAME("Niveau (Level)") // Stufe
	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_M) PORT_CODE(KEYCODE_H) PORT_NAME("Marche/Arret (Move/Halt)") // Zug-Halt
	PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_B) PORT_NAME("Noir (Black)") // Schwarz
	PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_W) PORT_NAME("Blanc (White)") // Weiss
	PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("Pawn")
	PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("Knight")
	PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
INPUT_PORTS_END



/******************************************************************************
    Machine Configs
******************************************************************************/

void regence_state::regence(machine_config &config)
{
	/* basic machine hardware */
	Z80(config, m_maincpu, 8_MHz_XTAL/2);
	m_maincpu->set_addrmap(AS_PROGRAM, &regence_state::main_map);

	m_maincpu->set_periodic_int(FUNC(regence_state::irq0_line_hold), attotime::from_hz(448)); // from 555, measured

	SENSORBOARD(config, m_board).set_type(sensorboard_device::MAGNETS);
	m_board->init_cb().set(m_board, FUNC(sensorboard_device::preset_chess));
	m_board->set_delay(attotime::from_msec(150));

	/* video hardware */
	PWM_DISPLAY(config, m_display).set_size(10, 8);
	config.set_default_layout(layout_regence);

	/* sound hardware */
	SPEAKER(config, "speaker").front_center();
	DAC_1BIT(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.25);
}



/******************************************************************************
    ROM Definitions
******************************************************************************/

ROM_START( regence )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD("arc0.ic13", 0x0000, 0x1000, CRC(ac6a0a67) SHA1(52b115c7cd372dfbad14b00854aa4f6f75a937d3) ) // M5L2732K
	ROM_LOAD("arc1.ic12", 0x4000, 0x1000, CRC(5c2fb0c7) SHA1(811ab3d7cefcf872741eb2265115080aaf913f0f) ) // "
	ROM_LOAD("arc2.ic11", 0x8000, 0x1000, CRC(e4c39dbd) SHA1(b6a6d1d39f73a2ff1ade6205bdf180be13e84df3) ) // "
ROM_END

} // anonymous namespace



/******************************************************************************
    Drivers
******************************************************************************/

/*    YEAR  NAME     PARENT  COMPAT  MACHINE  INPUT    CLASS          INIT        COMPANY, FULLNAME, FLAGS */
CONS( 1982, regence, 0,      0,      regence, regence, regence_state, empty_init, "France Double R", u8"La Régence", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )