// 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 m_maincpu; required_device m_board; required_device m_lcd_latch; required_device m_led_pwm; required_device_array m_lcd; required_ioport_array<2> m_keys; output_finder<8> m_digits; void montec_mem(address_map &map); template 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 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 )