diff options
Diffstat (limited to 'src/mame/drivers/fidel_sc9.cpp')
-rw-r--r-- | src/mame/drivers/fidel_sc9.cpp | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/src/mame/drivers/fidel_sc9.cpp b/src/mame/drivers/fidel_sc9.cpp new file mode 100644 index 00000000000..0ab321a382a --- /dev/null +++ b/src/mame/drivers/fidel_sc9.cpp @@ -0,0 +1,294 @@ +// license:BSD-3-Clause +// copyright-holders:hap +// thanks-to:Berger,yoyo_chessboard +/****************************************************************************** + +Sensory Chess Challenger "9" (SC9) +3 versions were available, the newest "B" version was 2MHz and included the Budapest program. +The Playmatic S was only released in Germany, it's basically a 'deluxe' version of SC9 +with magnet sensors and came with CB9 and CB16. +--------------------------------- + +8*(8+1) buttons, 8*8+1 LEDs +36-pin edge connector, assume same as SC12 +2KB RAM(TMM2016P), 2*8KB ROM(HN48364P) +R6502-13, 1.4MHz from resonator, another pcb with the same resonator was measured 1.49MHz* +PCB label 510-1046C01 2-1-82 + +*: 2 other boards were measured 1.60MHz and 1.88MHz(newest serial). Online references +suggest 3 versions of SC9(C01) total: 1.5MHz, 1.6MHz, and 1.9MHz. + +I/O is via TTL, not further documented here + +******************************************************************************/ + +#include "emu.h" +#include "includes/fidelbase.h" + +#include "cpu/m6502/m6502.h" +#include "sound/volt_reg.h" +#include "speaker.h" + +// internal artwork +#include "fidel_playmatic.lh" // clickable +#include "fidel_sc9.lh" // clickable + + +namespace { + +class sc9_state : public fidelbase_state +{ +public: + sc9_state(const machine_config &mconfig, device_type type, const char *tag) : + fidelbase_state(mconfig, type, tag) + { } + + // machine drivers + void sc9b(machine_config &config); + void sc9c(machine_config &config); + void sc9d(machine_config &config); + void playmatic(machine_config &config); + +protected: + // address maps + void sc9_map(address_map &map); + void sc9d_map(address_map &map); + + // I/O handlers + void prepare_display(); + DECLARE_WRITE8_MEMBER(control_w); + DECLARE_WRITE8_MEMBER(led_w); + DECLARE_READ8_MEMBER(input_r); + DECLARE_READ8_MEMBER(input_d7_r); +}; + +class sc9c_state : public sc9_state +{ +public: + sc9c_state(const machine_config &mconfig, device_type type, const char *tag) : + sc9_state(mconfig, type, tag) + { } + + DECLARE_INPUT_CHANGED_MEMBER(sc9c_cpu_freq) { sc9c_set_cpu_freq(); } + +protected: + virtual void machine_reset() override; + void sc9c_set_cpu_freq(); +}; + +void sc9c_state::machine_reset() +{ + sc9_state::machine_reset(); + sc9c_set_cpu_freq(); +} + +void sc9c_state::sc9c_set_cpu_freq() +{ + // SC9(C01) was released with 1.5MHz, 1.6MHz, or 1.9MHz CPU + u8 inp = ioport("FAKE")->read(); + m_maincpu->set_unscaled_clock((inp & 2) ? 1900000 : ((inp & 1) ? 1600000 : 1500000)); +} + + +/****************************************************************************** + Devices, I/O +******************************************************************************/ + +// TTL/generic + +void sc9_state::prepare_display() +{ + // 8*8 chessboard leds + 1 corner led + display_matrix(8, 9, m_led_data, m_inp_mux); +} + +WRITE8_MEMBER(sc9_state::control_w) +{ + // d0-d3: 74245 P0-P3 + // 74245 Q0-Q8: input mux, led select + u16 sel = 1 << (data & 0xf) & 0x3ff; + m_inp_mux = sel & 0x1ff; + prepare_display(); + + // 74245 Q9: speaker out + m_dac->write(BIT(sel, 9)); + + // d4,d5: ? + // d6,d7: N/C +} + +WRITE8_MEMBER(sc9_state::led_w) +{ + // a0-a2,d0: led data via NE591N + m_led_data = (data & 1) << offset; + prepare_display(); +} + +READ8_MEMBER(sc9_state::input_r) +{ + // multiplexed inputs (active low) + return read_inputs(9) ^ 0xff; +} + +READ8_MEMBER(sc9_state::input_d7_r) +{ + // a0-a2,d7: multiplexed inputs (active low) + return (read_inputs(9) >> offset & 1) ? 0 : 0x80; +} + + + +/****************************************************************************** + Address Maps +******************************************************************************/ + +void sc9_state::sc9_map(address_map &map) +{ + map.unmap_value_high(); + map(0x0000, 0x07ff).mirror(0x1800).ram(); + map(0x2000, 0x5fff).r(FUNC(sc9_state::cartridge_r)); + map(0x6000, 0x6000).mirror(0x1fff).w(FUNC(sc9_state::control_w)); + map(0x8000, 0x8007).mirror(0x1ff8).w(FUNC(sc9_state::led_w)).nopr(); + map(0xa000, 0xa000).mirror(0x1fff).r(FUNC(sc9_state::input_r)); + map(0xc000, 0xffff).rom(); +} + +void sc9_state::sc9d_map(address_map &map) +{ + sc9_map(map); + map(0xa000, 0xa007).mirror(0x1ff8).r(FUNC(sc9_state::input_d7_r)); +} + + + +/****************************************************************************** + Input Ports +******************************************************************************/ + +static INPUT_PORTS_START( sc9_sidepanel ) + PORT_START("IN.8") + PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("RV / Pawn") + PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("DM / Knight") + PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("TB / Bishop") + PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("LV / Rook") + PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("PV / Queen") + PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("PB / King") + PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_DEL) PORT_NAME("CL") + PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_R) PORT_NAME("RE") +INPUT_PORTS_END + +static INPUT_PORTS_START( sc9 ) + PORT_INCLUDE( fidel_cb_buttons ) + PORT_INCLUDE( sc9_sidepanel ) +INPUT_PORTS_END + +static INPUT_PORTS_START( playmatic ) + PORT_INCLUDE( fidel_cb_magnets ) + PORT_INCLUDE( sc9_sidepanel ) +INPUT_PORTS_END + +static INPUT_PORTS_START( sc9c ) + PORT_INCLUDE( sc9 ) + + PORT_START("FAKE") + PORT_CONFNAME( 0x03, 0x00, "CPU Frequency" ) PORT_CHANGED_MEMBER(DEVICE_SELF, sc9c_state, sc9c_cpu_freq, nullptr) // factory set + PORT_CONFSETTING( 0x00, "1.5MHz" ) + PORT_CONFSETTING( 0x01, "1.6MHz" ) + PORT_CONFSETTING( 0x02, "1.9MHz" ) +INPUT_PORTS_END + + + +/****************************************************************************** + Machine Drivers +******************************************************************************/ + +void sc9_state::sc9d(machine_config &config) +{ + /* basic machine hardware */ + M6502(config, m_maincpu, 3.9_MHz_XTAL/2); // R6502AP, 3.9MHz resonator + m_maincpu->set_addrmap(AS_PROGRAM, &sc9_state::sc9d_map); + + const attotime irq_period = attotime::from_hz(610); // from 555 timer (22nF, 102K, 2.7K) + TIMER(config, m_irq_on).configure_periodic(FUNC(sc9_state::irq_on<M6502_IRQ_LINE>), irq_period); + m_irq_on->set_start_delay(irq_period - attotime::from_usec(41)); // active for 41us + TIMER(config, "irq_off").configure_periodic(FUNC(sc9_state::irq_off<M6502_IRQ_LINE>), irq_period); + + TIMER(config, "display_decay").configure_periodic(FUNC(fidelbase_state::display_decay_tick), attotime::from_msec(1)); + config.set_default_layout(layout_fidel_sc9); + + /* sound hardware */ + SPEAKER(config, "speaker").front_center(); + DAC_1BIT(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.25); + voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref")); + vref.set_output(5.0); + vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT); + + /* cartridge */ + generic_cartslot_device &cartslot(GENERIC_CARTSLOT(config, "cartslot", generic_plain_slot, "fidel_scc", "bin,dat")); + cartslot.set_device_load(device_image_load_delegate(&fidelbase_state::device_image_load_scc_cartridge, this)); + + SOFTWARE_LIST(config, "cart_list").set_original("fidel_scc"); +} + +void sc9_state::sc9b(machine_config &config) +{ + sc9d(config); + + /* basic machine hardware */ + m_maincpu->set_clock(1500000); // from ceramic resonator "681 JSA", measured + m_maincpu->set_addrmap(AS_PROGRAM, &sc9_state::sc9_map); +} + +void sc9_state::playmatic(machine_config &config) +{ + sc9b(config); + + /* basic machine hardware */ + m_maincpu->set_clock(3100000); // approximation + config.set_default_layout(layout_fidel_playmatic); +} + + + +/****************************************************************************** + ROM Definitions +******************************************************************************/ + +ROM_START( fscc9 ) // PCB label 510-1046D01 + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD("101-1034b01", 0xc000, 0x2000, CRC(65288753) SHA1(651f5ca5969ddd72a20cbebdec2de83c4bf10650) ) + ROM_LOAD("101-1034c02", 0xe000, 0x2000, CRC(238b092f) SHA1(7ddffc6dba822aee9d8ad6815b23024ed5cdfd26) ) +ROM_END + +ROM_START( fscc9b ) // PCB label 510-1046B01 + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD("101-1034a01", 0xc000, 0x2000, CRC(b845c458) SHA1(d3fda65dbd9fae44fa4b93f8207839d8fa0c367a) ) + ROM_LOAD("101-1034a02", 0xe000, 0x2000, CRC(ecfa0a4c) SHA1(738df99a250fad0b1da5ebeb8c92a9ad1461417b) ) +ROM_END + +ROM_START( fscc9c ) // PCB label 510-1046C01 + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD("101-1034a01", 0xc000, 0x2000, CRC(b845c458) SHA1(d3fda65dbd9fae44fa4b93f8207839d8fa0c367a) ) // HN48364P + ROM_LOAD("101-1034b02", 0xe000, 0x2000, CRC(cbaf97d7) SHA1(7ed8e68bb74713d9e2ff1d9c037012320b7bfcbf) ) // " +ROM_END + +ROM_START( fscc9ps ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD("play64c1.bin", 0xc000, 0x2000, CRC(e96aa95d) SHA1(16d90cf0ef166aef579d442671290a2c43e24dfe) ) + ROM_LOAD("play64en.bin", 0xe000, 0x2000, CRC(6fa188d2) SHA1(1b9b0209c496c89ecb7f9ec07bfd9429ff9b275e) ) +ROM_END + +} // anonymous namespace + + + +/****************************************************************************** + Drivers +******************************************************************************/ + +// YEAR NAME PARENT CMP MACHINE INPUT STATE INIT COMPANY, FULLNAME, FLAGS +CONS( 1982, fscc9, 0, 0, sc9d, sc9, sc9_state, empty_init, "Fidelity Electronics", "Sensory Chess Challenger 9 (rev. D)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_CONTROLS ) // aka version "B" +CONS( 1982, fscc9b, fscc9, 0, sc9b, sc9, sc9_state, empty_init, "Fidelity Electronics", "Sensory Chess Challenger 9 (rev. B)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_CONTROLS ) +CONS( 1982, fscc9c, fscc9, 0, sc9b, sc9c, sc9c_state, empty_init, "Fidelity Electronics", "Sensory Chess Challenger 9 (rev. C)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_CONTROLS ) +CONS( 1983, fscc9ps, fscc9, 0, playmatic, playmatic, sc9_state, empty_init, "Fidelity Electronics", "Sensory 9 Playmatic 'S'", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_CONTROLS ) // by Fidelity West Germany |