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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco, hap
/******************************************************************************
Mephisto Monte Carlo
Mephisto Monte Carlo IV
Mephisto Monte Carlo IV - Limited Edition
The chess engine is by Frans Morsch, but for the IV version it's by Ed Schroeder.
Limited Edition has a twice faster CPU.
Hardware notes:
- R65C02P4 @ 4MHz
- 8KB RAM(battery-backed), 32KB ROM
- expansion slot at underside (not used)
- 2*PCF2112, 2 7seg LCD screens
- 8 tri-color leds (like academy, always 6 red and 2 green?)
- magnetic chessboard with 64 leds, piezo
******************************************************************************/
#include "emu.h"
#include "cpu/m6502/m65c02.h"
#include "cpu/m6502/r65c02.h"
#include "machine/74259.h"
#include "machine/nvram.h"
#include "machine/mmboard.h"
#include "sound/dac.h"
#include "video/pcf2100.h"
#include "video/pwm.h"
#include "speaker.h"
// internal artwork
#include "mephisto_montec.lh"
namespace {
class montec_state : public driver_device
{
public:
montec_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_board(*this, "board")
, m_lcd_latch(*this, "lcd_latch")
, m_led_pwm(*this, "led_pwm")
, m_lcd(*this, "lcd%u", 0)
, m_keys(*this, "KEY.%u", 0)
, m_digits(*this, "digit%u", 0U)
{ }
void montec(machine_config &config);
void montec4(machine_config &config);
void montec4le(machine_config &config);
protected:
virtual void machine_start() override;
private:
required_device<cpu_device> m_maincpu;
required_device<mephisto_board_device> m_board;
required_device<hc259_device> m_lcd_latch;
required_device<pwm_display_device> m_led_pwm;
required_device_array<pcf2112_device, 2> m_lcd;
required_ioport_array<2> m_keys;
output_finder<8> m_digits;
void montec_mem(address_map &map);
template<int N> void lcd_output_w(u32 data);
void led_w(u8 data);
void irq_ack_w(u8 data) { irq_ack_r(); }
u8 irq_ack_r();
u8 input_r();
};
void montec_state::machine_start()
{
m_digits.resolve();
}
/******************************************************************************
I/O
******************************************************************************/
template<int N>
void montec_state::lcd_output_w(u32 data)
{
// lcd segment outputs
for (int i = 0; i < 4; i++)
m_digits[i + N*4] = bitswap<8>(data >> (8 * i), 7,4,5,0,1,2,3,6);
}
void montec_state::led_w(u8 data)
{
// d0-d3: keypad led select
// d4-d7: keypad led data
m_led_pwm->matrix(data & 0xf, ~data >> 4 & 0xf);
}
u8 montec_state::irq_ack_r()
{
if (!machine().side_effects_disabled())
m_maincpu->set_input_line(0, CLEAR_LINE);
return 0;
}
u8 montec_state::input_r()
{
u8 data = 0;
// 74259 q0/q1 selects keypad
for (int i = 0; i < 2; i++)
if (!BIT(m_lcd_latch->output_state(), i))
data |= m_keys[i]->read();
return ~m_board->input_r() | data;
}
/******************************************************************************
Address Maps
******************************************************************************/
void montec_state::montec_mem(address_map &map)
{
map(0x0000, 0x1fff).ram().share("nvram");
map(0x2000, 0x2000).rw(FUNC(montec_state::irq_ack_r), FUNC(montec_state::irq_ack_w));
map(0x2400, 0x2400).r(FUNC(montec_state::input_r));
map(0x2800, 0x2800).w(m_board, FUNC(mephisto_board_device::mux_w));
map(0x2c00, 0x2c00).w(m_board, FUNC(mephisto_board_device::led_w));
map(0x3000, 0x3007).w(m_lcd_latch, FUNC(hc259_device::write_d7)).nopr();
map(0x3400, 0x3400).w(FUNC(montec_state::led_w));
map(0x8000, 0xffff).rom();
}
/******************************************************************************
Input Ports
******************************************************************************/
static INPUT_PORTS_START( montec )
PORT_START("KEY.0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("BOOK / 9") PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_CODE(KEYCODE_B)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("POS / 0") PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_CODE(KEYCODE_O)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("MEM") PORT_CODE(KEYCODE_M)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("INFO") PORT_CODE(KEYCODE_I)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("CL") PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("LEV") PORT_CODE(KEYCODE_L)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("ENT") PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("RES") PORT_CODE(KEYCODE_F1)
PORT_START("KEY.1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Pawn / 1") PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Knight / 2") PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Bishop / 3") PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Rook / 4") PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Queen / 5") PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("King / 6") PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Black / 7") PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("White / 8") PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD)
INPUT_PORTS_END
/******************************************************************************
Machine Configs
******************************************************************************/
void montec_state::montec(machine_config &config)
{
// basic machine hardware
R65C02(config, m_maincpu, 8_MHz_XTAL / 2); // R65C02P4
m_maincpu->set_addrmap(AS_PROGRAM, &montec_state::montec_mem);
const attotime irq_period = attotime::from_hz(8_MHz_XTAL / 2 / 0x2000);
m_maincpu->set_periodic_int(FUNC(montec_state::irq0_line_assert), irq_period);
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
HC259(config, m_lcd_latch);
m_lcd_latch->q_out_cb<2>().set("dac", FUNC(dac_1bit_device::write)).invert();
m_lcd_latch->q_out_cb<4>().set(m_lcd[0], FUNC(pcf2112_device::data_w));
m_lcd_latch->q_out_cb<4>().append(m_lcd[1], FUNC(pcf2112_device::data_w));
m_lcd_latch->q_out_cb<5>().set(m_lcd[1], FUNC(pcf2112_device::dlen_w));
m_lcd_latch->q_out_cb<6>().set(m_lcd[0], FUNC(pcf2112_device::clb_w));
m_lcd_latch->q_out_cb<6>().append(m_lcd[1], FUNC(pcf2112_device::clb_w));
m_lcd_latch->q_out_cb<7>().set(m_lcd[0], FUNC(pcf2112_device::dlen_w));
MEPHISTO_SENSORS_BOARD(config, m_board); // internal
m_board->set_delay(attotime::from_msec(300));
// video hardware
PCF2112(config, m_lcd[0], 50); // frequency guessed
m_lcd[0]->write_segs().set(FUNC(montec_state::lcd_output_w<0>));
PCF2112(config, m_lcd[1], 50); // "
m_lcd[1]->write_segs().set(FUNC(montec_state::lcd_output_w<1>));
PWM_DISPLAY(config, m_led_pwm).set_size(4, 4);
config.set_default_layout(layout_mephisto_montec);
// sound hardware
SPEAKER(config, "speaker").front_center();
DAC_1BIT(config, "dac").add_route(ALL_OUTPUTS, "speaker", 0.25);
}
void montec_state::montec4(machine_config &config)
{
montec(config);
m_board->set_delay(attotime::from_msec(150));
}
void montec_state::montec4le(machine_config &config)
{
montec4(config);
// basic machine hardware
M65C02(config.replace(), m_maincpu, 8_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &montec_state::montec_mem);
const attotime irq_period = attotime::from_hz(8_MHz_XTAL / 0x4000);
m_maincpu->set_periodic_int(FUNC(montec_state::irq0_line_assert), irq_period);
}
/******************************************************************************
ROM Definitions
******************************************************************************/
ROM_START( montec )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("mc3_12.11.87", 0x8000, 0x8000, CRC(8eb26043) SHA1(26454a37eea29283bbb2762a3a68e95e4be6aa1c) )
ROM_END
ROM_START( monteca )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("mc2_20.7.87", 0x8000, 0x8000, CRC(05524da9) SHA1(bee2ffe09a27095f733584e0fb1203b95c23e17e) )
ROM_END
ROM_START( montec4 )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("mc4.bin", 0x8000, 0x8000, CRC(b231be57) SHA1(8bb39db6a3f476090574ef6c681a241a96cfbd5c) )
ROM_END
ROM_START( montec4le )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("mc4le.bin", 0x8000, 0x8000, CRC(c4887694) SHA1(7f482d2a40fcb3125266e7a5407da315b4f9b49c) )
ROM_END
} // anonymous namespace
/***************************************************************************
Drivers
***************************************************************************/
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
CONS( 1987, montec, 0, 0, montec, montec, montec_state, empty_init, "Hegener + Glaser", "Mephisto Monte Carlo (ver. MC3)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1987, monteca, montec, 0, montec, montec, montec_state, empty_init, "Hegener + Glaser", "Mephisto Monte Carlo (ver. MC2)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1989, montec4, 0, 0, montec4, montec, montec_state, empty_init, "Hegener + Glaser", "Mephisto Monte Carlo IV", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1990, montec4le, montec4, 0, montec4le, montec, montec_state, empty_init, "Hegener + Glaser", "Mephisto Monte Carlo IV - Limited Edition", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
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