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Diffstat (limited to 'src/mame/drivers/fidel_sc12.cpp')
-rw-r--r-- | src/mame/drivers/fidel_sc12.cpp | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/src/mame/drivers/fidel_sc12.cpp b/src/mame/drivers/fidel_sc12.cpp deleted file mode 100644 index 40a77100192..00000000000 --- a/src/mame/drivers/fidel_sc12.cpp +++ /dev/null @@ -1,306 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:hap -// thanks-to:Berger, yoyo_chessboard -/****************************************************************************** - -Fidelity Sensory 12 Chess Challenger (SC12-B, 6086) -4 versions are known to exist: A,B,C, and X, with increasing CPU speed. ---------------------------------- -RE information from netlist by Berger - -8*(8+1) buttons, 8+8+2 red LEDs -DIN 41524C printer port -36-pin edge connector -CPU is a R65C02P4, running at 4MHz* - -*By default, the CPU frequency is lowered on A13/A14 access, with a factory-set jumper: -/2 on model SC12(1.5MHz), /4 on model 6086(1MHz) - -NE556 dual-timer IC: -- timer#1, one-shot at power-on, to CPU _RESET -- timer#2: R1=82K+50K pot at 26K, R2=1K, C=22nF, to CPU _IRQ: ~596Hz, active low=15.25us - -Memory map: ------------ -0000-0FFF: 4K RAM (2016 * 2) -2000-5FFF: cartridge -6000-7FFF: control(W) -8000-9FFF: 8K ROM SSS SCM23C65E4 -A000-BFFF: keypad(R) -C000-DFFF: 4K ROM TI TMS2732AJL-45 -E000-FFFF: 8K ROM Toshiba TMM2764D-2 - -control: (74LS377) --------- -Q0-Q3: 7442 A0-A3 -Q4: enable printer port pin 1 input -Q5: printer port pin 5 output -Q6,Q7: LEDs common anode - -7442 0-8: input mux and LEDs cathode -7442 9: buzzer - -The keypad is read through a 74HC251, where S0,1,2 is from CPU A0,1,2, Y is connected to CPU D7. -If control Q4 is set, printer data can be read from I0. - -******************************************************************************/ - -#include "emu.h" -#include "machine/fidel_clockdiv.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 "bus/generic/slot.h" -#include "bus/generic/carts.h" - -#include "softlist.h" -#include "speaker.h" - -// internal artwork -#include "fidel_sc12.lh" // clickable - - -namespace { - -// note: sub-class of fidel_clockdiv_state (see mame/machine/fidel_clockdiv.*) - -class sc12_state : public fidel_clockdiv_state -{ -public: - sc12_state(const machine_config &mconfig, device_type type, const char *tag) : - fidel_clockdiv_state(mconfig, type, tag), - m_irq_on(*this, "irq_on"), - m_board(*this, "board"), - m_display(*this, "display"), - m_dac(*this, "dac"), - m_cart(*this, "cartslot"), - m_inputs(*this, "IN.0") - { } - - // machine configs - void sc12(machine_config &config); - void sc12b(machine_config &config); - -protected: - virtual void machine_start() override; - -private: - // devices/pointers - required_device<timer_device> m_irq_on; - required_device<sensorboard_device> m_board; - required_device<pwm_display_device> m_display; - required_device<dac_bit_interface> m_dac; - required_device<generic_slot_device> m_cart; - required_ioport m_inputs; - - // address maps - void main_map(address_map &map); - - // periodic interrupts - template<int Line> TIMER_DEVICE_CALLBACK_MEMBER(irq_on) { m_maincpu->set_input_line(Line, ASSERT_LINE); } - template<int Line> TIMER_DEVICE_CALLBACK_MEMBER(irq_off) { m_maincpu->set_input_line(Line, CLEAR_LINE); } - - DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load); - - // I/O handlers - DECLARE_WRITE8_MEMBER(control_w); - DECLARE_READ8_MEMBER(input_r); - - u8 m_inp_mux; -}; - -void sc12_state::machine_start() -{ - fidel_clockdiv_state::machine_start(); - - // zerofill/register for savestates - m_inp_mux = 0; - save_item(NAME(m_inp_mux)); -} - - - -/****************************************************************************** - I/O -******************************************************************************/ - -// cartridge - -DEVICE_IMAGE_LOAD_MEMBER(sc12_state::cart_load) -{ - u32 size = m_cart->common_get_size("rom"); - m_cart->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE); - m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom"); - - return image_init_result::PASS; -} - - -// TTL/generic - -WRITE8_MEMBER(sc12_state::control_w) -{ - // d0-d3: 7442 a0-a3 - // 7442 0-8: led data, input mux - m_inp_mux = data & 0xf; - u16 sel = 1 << m_inp_mux & 0x3ff; - - // 7442 9: speaker out - m_dac->write(BIT(sel, 9)); - - // d6,d7: led select (active low) - m_display->matrix(~data >> 6 & 3, sel & 0x1ff); - - // d4,d5: printer - //.. -} - -READ8_MEMBER(sc12_state::input_r) -{ - u8 data = 0; - - // a0-a2,d7: multiplexed inputs (active low) - // read chessboard sensors - if (m_inp_mux < 8) - data = m_board->read_file(m_inp_mux); - - // read button panel - else if (m_inp_mux == 8) - data = m_inputs->read(); - - return (data >> offset & 1) ? 0 : 0x80; -} - - - -/****************************************************************************** - Address Maps -******************************************************************************/ - -void sc12_state::main_map(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x0fff).ram(); - map(0x2000, 0x5fff).r("cartslot", FUNC(generic_slot_device::read_rom)); - map(0x6000, 0x6000).mirror(0x1fff).w(FUNC(sc12_state::control_w)); - map(0x8000, 0x9fff).rom(); - map(0xa000, 0xa007).mirror(0x1ff8).r(FUNC(sc12_state::input_r)); - map(0xc000, 0xcfff).mirror(0x1000).rom(); - map(0xe000, 0xffff).rom(); -} - - - -/****************************************************************************** - Input Ports -******************************************************************************/ - -static INPUT_PORTS_START( sc12_sidepanel ) - PORT_START("IN.0") - 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( sc12 ) - PORT_INCLUDE( fidel_clockdiv_2 ) - PORT_INCLUDE( sc12_sidepanel ) -INPUT_PORTS_END - -static INPUT_PORTS_START( sc12b ) - PORT_INCLUDE( fidel_clockdiv_4 ) - PORT_INCLUDE( sc12_sidepanel ) -INPUT_PORTS_END - - - -/****************************************************************************** - Machine Configs -******************************************************************************/ - -void sc12_state::sc12(machine_config &config) -{ - /* basic machine hardware */ - R65C02(config, m_maincpu, 3_MHz_XTAL); // R65C02P3 - m_maincpu->set_addrmap(AS_PROGRAM, &sc12_state::div_trampoline); - ADDRESS_MAP_BANK(config, m_mainmap).set_map(&sc12_state::main_map).set_options(ENDIANNESS_LITTLE, 8, 16); - - const attotime irq_period = attotime::from_hz(630); // from 556 timer (22nF, 102K, 1K) - TIMER(config, m_irq_on).configure_periodic(FUNC(sc12_state::irq_on<M6502_IRQ_LINE>), irq_period); - m_irq_on->set_start_delay(irq_period - attotime::from_nsec(15250)); // active for 15.25us - TIMER(config, "irq_off").configure_periodic(FUNC(sc12_state::irq_off<M6502_IRQ_LINE>), 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(200)); - - /* video hardware */ - PWM_DISPLAY(config, m_display).set_size(2, 9); - config.set_default_layout(layout_fidel_sc12); - - /* sound hardware */ - SPEAKER(config, "speaker").front_center(); - DAC_1BIT(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.25); - VOLTAGE_REGULATOR(config, "vref").add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT); - - /* cartridge */ - GENERIC_CARTSLOT(config, m_cart, generic_plain_slot, "fidel_scc", "bin,dat"); - m_cart->set_device_load(FUNC(sc12_state::cart_load)); - - SOFTWARE_LIST(config, "cart_list").set_original("fidel_scc"); -} - -void sc12_state::sc12b(machine_config &config) -{ - sc12(config); - - /* basic machine hardware */ - m_maincpu->set_clock(4_MHz_XTAL); // R65C02P4 - - // change irq timer frequency - const attotime irq_period = attotime::from_hz(596); // from 556 timer (22nF, 82K+26K, 1K) - TIMER(config.replace(), m_irq_on).configure_periodic(FUNC(sc12_state::irq_on<M6502_IRQ_LINE>), irq_period); - m_irq_on->set_start_delay(irq_period - attotime::from_nsec(15250)); // active for 15.25us - TIMER(config.replace(), "irq_off").configure_periodic(FUNC(sc12_state::irq_off<M6502_IRQ_LINE>), irq_period); -} - - - -/****************************************************************************** - ROM Definitions -******************************************************************************/ - -ROM_START( fscc12 ) // model SC12, PCB label 510-1084B01 - ROM_REGION( 0x10000, "mainmap", 0 ) - ROM_LOAD("101-1068a01.ic15", 0x8000, 0x2000, CRC(63c76cdd) SHA1(e0771c98d4483a6b1620791cb99a7e46b0db95c4) ) // SSS SCM23C65E4 - ROM_LOAD("orange.ic13", 0xc000, 0x1000, CRC(ed5289b2) SHA1(9b0c7f9ae4102d4a66eb8c91d4e84b9eec2ffb3d) ) // TI TMS2732AJL-45, no label, orange sticker - ROM_LOAD("red.ic14", 0xe000, 0x2000, CRC(0c4968c4) SHA1(965a66870b0f8ce9549418cbda09d2ff262a1504) ) // TI TMS2764JL-25, no label, red sticker -ROM_END - -ROM_START( fscc12b ) // model 6086, PCB label 510-1084B01 - ROM_REGION( 0x10000, "mainmap", 0 ) - ROM_LOAD("101-1068a01.ic15", 0x8000, 0x2000, CRC(63c76cdd) SHA1(e0771c98d4483a6b1620791cb99a7e46b0db95c4) ) // SSS SCM23C65E4 - ROM_LOAD("orange.ic13", 0xc000, 0x1000, CRC(45070a71) SHA1(8aeecff828f26fb7081902c757559903be272649) ) // TI TMS2732AJL-45, no label, orange sticker - ROM_LOAD("red.ic14", 0xe000, 0x2000, CRC(183d3edc) SHA1(3296a4c3bce5209587d4a1694fce153558544e63) ) // Toshiba TMM2764D-2, no label, red sticker -ROM_END - -} // anonymous namespace - - - -/****************************************************************************** - Drivers -******************************************************************************/ - -// YEAR NAME PARENT CMP MACHINE INPUT STATE INIT COMPANY, FULLNAME, FLAGS -CONS( 1984, fscc12, 0, 0, sc12, sc12, sc12_state, empty_init, "Fidelity Electronics", "Sensory Chess Challenger 12", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_TIMING ) -CONS( 1984, fscc12b, fscc12, 0, sc12b, sc12b, sc12_state, empty_init, "Fidelity Electronics", "Sensory Chess Challenger 12-B", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_TIMING ) |