// license:BSD-3-Clause // copyright-holders:hap // thanks-to:yoyo_chessboard, Berger /****************************************************************************** Fidelity Chesster Challenger These were made after Hegener + Glaser took over Fidelity(design phase started before that). Kishon Chesster was released under both Fidelity, and Mephisto brands. ******************************************************************************* Fidelity Chesster (model 6120) There is also a German version titled Kishon Chesster (model 6120G, or 6127) ---------------- 8*(8+1) buttons, 8+8+1 LEDs 8KB RAM(UM6264-12), 32KB ROM(M27C256B) Ricoh RP65C02G CPU, 5MHz XTAL 8-bit DAC speech timed via IRQ, 128KB ROM(AMI custom label) PCB label 510.1141C01 I/O is via TTL, memory map is similar to Designer Display The speech technology was invented by Forrest S. Mozer(same person that invented the S14001A in the 70s), this time a 65C02 software solution. ******************************************************************************/ #include "emu.h" #include "cpu/m6502/r65c02.h" #include "machine/sensorboard.h" #include "machine/timer.h" #include "sound/dac.h" #include "sound/volt_reg.h" #include "video/pwm.h" #include "speaker.h" // internal artwork #include "fidel_chesster.lh" // clickable namespace { class chesster_state : public driver_device { public: chesster_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_irq_on(*this, "irq_on"), m_rombank(*this, "rombank"), m_board(*this, "board"), m_display(*this, "display"), m_inputs(*this, "IN.0") { } // machine configs void chesster(machine_config &config); void kishon(machine_config &config); void init_chesster(); protected: virtual void machine_start() override; private: // devices/pointers required_device m_maincpu; required_device m_irq_on; required_memory_bank m_rombank; required_device m_board; required_device m_display; required_ioport m_inputs; // address maps void main_map(address_map &map); // periodic interrupts template TIMER_DEVICE_CALLBACK_MEMBER(irq_on) { m_maincpu->set_input_line(Line, ASSERT_LINE); } template TIMER_DEVICE_CALLBACK_MEMBER(irq_off) { m_maincpu->set_input_line(Line, CLEAR_LINE); } // I/O handlers DECLARE_WRITE8_MEMBER(control_w); DECLARE_READ8_MEMBER(input_r); int m_numbanks; u8 m_speech_bank; u8 m_select; }; void chesster_state::init_chesster() { m_numbanks = memregion("rombank")->bytes() / 0x4000; m_rombank->configure_entries(0, m_numbanks, memregion("rombank")->base(), 0x4000); } void chesster_state::machine_start() { // zerofill m_speech_bank = 0; m_select = 0; // register for savestates save_item(NAME(m_speech_bank)); save_item(NAME(m_select)); } /****************************************************************************** I/O ******************************************************************************/ // TTL/generic WRITE8_MEMBER(chesster_state::control_w) { // a0-a2,d7: 74259(1) u8 mask = 1 << offset; m_select = (m_select & ~mask) | ((data & 0x80) ? mask : 0); // 74259 Q4-Q7: 7442 a0-a3 // 7442 0-8: led data, input mux u16 led_data = 1 << (m_select >> 4 & 0xf) & 0x1ff; // 74259 Q0,Q1: led select (active low) m_display->matrix(~m_select & 3, led_data); // 74259 Q2,Q3: speechrom A14,A15 // a0-a2,d0: 74259(2) Q3,Q2,Q0 to A16,A17,A18 m_speech_bank = (m_speech_bank & ~mask) | ((data & 1) ? mask : 0); u8 bank = (m_select >> 2 & 3) | bitswap<3>(m_speech_bank, 0,2,3) << 2; m_rombank->set_entry(bank & (m_numbanks - 1)); } READ8_MEMBER(chesster_state::input_r) { u8 sel = m_select >> 4 & 0xf; u8 data = 0; // a0-a2,d7: multiplexed inputs (active low) // read chessboard sensors if (sel < 8) data = m_board->read_rank(sel ^ 7, true); // read button panel else if (sel == 8) data = m_inputs->read(); return (data >> offset & 1) ? 0 : 0x80; } /****************************************************************************** Address Maps ******************************************************************************/ void chesster_state::main_map(address_map &map) { map(0x0000, 0x1fff).ram(); map(0x2000, 0x2007).mirror(0x1ff8).rw(FUNC(chesster_state::input_r), FUNC(chesster_state::control_w)); map(0x4000, 0x7fff).bankr("rombank"); map(0x6000, 0x6000).mirror(0x1fff).w("dac", FUNC(dac_byte_interface::data_w)); map(0x8000, 0xffff).rom(); } /****************************************************************************** Input Ports ******************************************************************************/ static INPUT_PORTS_START( chesster ) PORT_START("IN.0") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_DEL) PORT_NAME("Clear") PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_H) PORT_NAME("Move / No") PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_G) PORT_NAME("Hint / Yes") PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_F) PORT_NAME("Take Back / Repeat") PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_C) PORT_NAME("Level / New") PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_B) PORT_NAME("Option / Replay") PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_A) PORT_NAME("Verify / Problem") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_S) PORT_NAME("Shift") INPUT_PORTS_END /****************************************************************************** Machine Configs ******************************************************************************/ void chesster_state::chesster(machine_config &config) { /* basic machine hardware */ R65C02(config, m_maincpu, 5_MHz_XTAL); // RP65C02G m_maincpu->set_addrmap(AS_PROGRAM, &chesster_state::main_map); const attotime irq_period = attotime::from_hz(9500); // from 555 timer, measured (9.6kHz on a Chesster, 9.3kHz on a Kishon) TIMER(config, m_irq_on).configure_periodic(FUNC(chesster_state::irq_on), irq_period); m_irq_on->set_start_delay(irq_period - attotime::from_nsec(2600)); // active for 2.6us TIMER(config, "irq_off").configure_periodic(FUNC(chesster_state::irq_off), irq_period); SENSORBOARD(config, m_board).set_type(sensorboard_device::BUTTONS); m_board->init_cb().set(m_board, FUNC(sensorboard_device::preset_chess)); m_board->set_delay(attotime::from_msec(100)); /* video hardware */ PWM_DISPLAY(config, m_display).set_size(2, 9); config.set_default_layout(layout_fidel_chesster); /* sound hardware */ SPEAKER(config, "speaker").front_center(); DAC_8BIT_R2R(config, "dac").add_route(ALL_OUTPUTS, "speaker", 0.5); // m74hc374b1.ic1 + 8l513_02.z2 voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref")); vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT); } void chesster_state::kishon(machine_config &config) { chesster(config); /* basic machine hardware */ m_maincpu->set_clock(3.579545_MHz_XTAL); // same CPU } /****************************************************************************** ROM Definitions ******************************************************************************/ ROM_START( chesster ) // model 6120, PCB label 510.1141C01 ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD("ch_1.3.ic9", 0x8000, 0x8000, CRC(8b42d1ad) SHA1(2161fc5ab2476fe7ca4ffc226e3cb329b8a57a01) ) // 27256, CH 1.3 on sticker ROM_REGION( 0x20000, "rombank", 0 ) ROM_LOAD("101-1091b02.ic10", 0x0000, 0x20000, CRC(fa370e88) SHA1(a937c8f1ec295cf9539d12466993974e40771493) ) // AMI, 27C010 or equivalent ROM_END ROM_START( chesstera ) // model 6120, PCB label 510.1141C01 ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD("chesster.ic9", 0x8000, 0x8000, CRC(29f9a698) SHA1(4c83ca46fd5fc9c40302e9c7f16b4ae2c18b06e6) ) // M27C256B, sticker but no label ROM_REGION( 0x20000, "rombank", 0 ) ROM_LOAD("101-1091a02.ic10", 0x0000, 0x20000, CRC(2b4d243c) SHA1(921e51978facb502b207b4f64a73b1e74127e826) ) // AMI, 27C010 or equivalent ROM_END ROM_START( kishon ) // model 6120G or 6127(same), PCB label 510.1141C01 ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD("gc_2.3.ic9", 0x8000, 0x8000, CRC(121c007f) SHA1(652e9ea47b6bb1632d10eb0fcd7f98cdba22fce7) ) // 27C256, GC 2.3 on sticker, also seen without label ROM_REGION( 0x80000, "rombank", 0 ) ROM_LOAD("kishon_chesster_v2.6.ic10", 0x0000, 0x80000, CRC(50598869) SHA1(2087e0c2f40a2408fe217a6502c8c3a247bdd063) ) // Toshiba TC544000P-12, 1-14-91, aka 101-1094A01 on 6127 ROM_END ROM_START( kishona ) // possibly Mephisto brand?, PCB label 510.1141C01 ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD("german_chesster_v2.2.ic9", 0x8000, 0x8000, CRC(43e0cfcd) SHA1(961c7335f562b19fa96324c429ab70e8ab4d7647) ) // 27C256, 15.1.91 ROM_REGION( 0x80000, "rombank", 0 ) ROM_LOAD("kishon_chesster_v2.6.ic10", 0x0000, 0x80000, CRC(50598869) SHA1(2087e0c2f40a2408fe217a6502c8c3a247bdd063) ) // Toshiba TC544000P-12 ROM_END } // anonymous namespace /****************************************************************************** Drivers ******************************************************************************/ // YEAR NAME PARENT CMP MACHINE INPUT STATE INIT COMPANY, FULLNAME, FLAGS CONS( 1990, chesster, 0, 0, chesster, chesster, chesster_state, init_chesster, "Fidelity Electronics", "Chesster Challenger (v1.3)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) CONS( 1990, chesstera, chesster, 0, chesster, chesster, chesster_state, init_chesster, "Fidelity Electronics", "Chesster Challenger", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) CONS( 1991, kishon, chesster, 0, kishon, chesster, chesster_state, init_chesster, "Fidelity Electronics", "Kishon Chesster (v2.3)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) CONS( 1991, kishona, chesster, 0, kishon, chesster, chesster_state, init_chesster, "Fidelity Electronics", "Kishon Chesster (v2.2)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )