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// 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, ®ence_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 )
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