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Diffstat (limited to 'src/mame/drivers/cking_master.cpp')
-rw-r--r-- | src/mame/drivers/cking_master.cpp | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/src/mame/drivers/cking_master.cpp b/src/mame/drivers/cking_master.cpp deleted file mode 100644 index c52a79493b8..00000000000 --- a/src/mame/drivers/cking_master.cpp +++ /dev/null @@ -1,269 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:hap -// thanks-to:Berger -/****************************************************************************** - -Chess King Master (yes, it's plainly named "Master") - -Hardware notes: -- Z80 CPU(NEC D780C-1) @ 4MHz(8MHz XTAL), IRQ from 555 timer -- 8KB ROM(NEC D2764C-3), 2KB RAM(NEC D4016C), ROM is scrambled for easy PCB placement -- simple I/O via 2*74373 and a 74145 -- 8*8 chessboard buttons, 32+1 border leds, piezo - -TODO: -- 1 WAIT CLK per M1, workaround with z80_set_cycle_tables is possible - (wait state is similar to MSX) but I can't be bothered, better solution - is to add M1 pin to the z80 core. Until then, it'll run ~20% too fast. - -******************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "machine/sensorboard.h" -#include "machine/bankdev.h" -#include "machine/timer.h" -#include "sound/dac.h" -#include "sound/volt_reg.h" -#include "video/pwm.h" -#include "speaker.h" - -// internal artwork -#include "ck_master.lh" // clickable - - -namespace { - -class master_state : public driver_device -{ -public: - master_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_display(*this, "display"), - m_board(*this, "board"), - m_dac(*this, "dac"), - m_mainmap(*this, "mainmap"), - m_inputs(*this, "IN.%u", 0) - { } - - // machine drivers - void master(machine_config &config); - - void init_master(); - -protected: - virtual void machine_start() override; - -private: - // devices/pointers - required_device<cpu_device> m_maincpu; - required_device<timer_device> m_irq_on; - required_device<pwm_display_device> m_display; - required_device<sensorboard_device> m_board; - required_device<dac_2bit_binary_weighted_ones_complement_device> m_dac; - required_device<address_map_bank_device> m_mainmap; - required_ioport_array<2> m_inputs; - - // 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); } - - // address maps - void main_map(address_map &map); - void main_trampoline(address_map &map); - u8 main_trampoline_r(offs_t offset); - void main_trampoline_w(offs_t offset, u8 data); - - // I/O handlers - u8 input_r(); - void control_w(u8 data); - - u16 m_inp_mux; -}; - -void master_state::machine_start() -{ - // zerofill, register for savestates - m_inp_mux = 0; - save_item(NAME(m_inp_mux)); -} - - - -/****************************************************************************** - I/O -******************************************************************************/ - -// TTL/generic - -void master_state::control_w(u8 data) -{ - // d0-d3: 74145 A-D - // 74145 0-9: input mux, led select - m_inp_mux = data & 0xf; - u16 sel = 1 << m_inp_mux & 0x3ff; - - // d4,d5: led data - m_display->matrix(sel & 0x1ff, data >> 4 & 3); - - // d6,d7: speaker +/- - m_dac->write(data >> 6 & 3); -} - -u8 master_state::input_r() -{ - u8 data = 0; - - // d0-d7: multiplexed inputs - // read chessboard sensors - if (m_inp_mux < 8) - data = m_board->read_file(m_inp_mux, true); - - // read other buttons - else if (m_inp_mux < 10) - data = m_inputs[m_inp_mux - 8]->read(); - - return ~data; -} - -void master_state::init_master() -{ - u8 *rom = memregion("maincpu")->base(); - const u32 len = memregion("maincpu")->bytes(); - - // descramble data lines - for (int i = 0; i < len; i++) - rom[i] = bitswap<8>(rom[i], 4,5,0,7,6,1,3,2); - - // descramble address lines - std::vector<u8> buf(len); - memcpy(&buf[0], rom, len); - for (int i = 0; i < len; i++) - rom[i] = buf[bitswap<16>(i, 15,14,13,12,11,3,7,9, 10,8,6,5,4,2,1,0)]; -} - - - -/****************************************************************************** - Address Maps -******************************************************************************/ - -void master_state::main_map(address_map &map) -{ - map(0x0000, 0x1fff).mirror(0x6000).rom().region("maincpu", 0); // _A15 - map(0xa000, 0xa000).mirror(0x1fff).rw(FUNC(master_state::input_r), FUNC(master_state::control_w)); // A13 - map(0xc000, 0xc7ff).mirror(0x3800).ram(); // A14 -} - -// PCB design is prone to bus conflicts, but should be fine if software obeys -void master_state::main_trampoline_w(offs_t offset, u8 data) -{ - if (offset & 0x2000) - m_mainmap->write8((offset & 0x3fff) | 0x8000, data); - if (offset & 0x4000) - m_mainmap->write8((offset & 0x7fff) | 0x8000, data); -} - -u8 master_state::main_trampoline_r(offs_t offset) -{ - u8 data = 0xff; - if (~offset & 0x8000) - data &= m_mainmap->read8(offset); - if (offset & 0x2000) - data &= m_mainmap->read8((offset & 0x3fff) | 0x8000); - if (offset & 0x4000) - data &= m_mainmap->read8((offset & 0x7fff) | 0x8000); - - return data; -} - -void master_state::main_trampoline(address_map &map) -{ - map(0x0000, 0xffff).rw(FUNC(master_state::main_trampoline_r), FUNC(master_state::main_trampoline_w)); -} - - - -/****************************************************************************** - Input Ports -******************************************************************************/ - -static INPUT_PORTS_START( master ) - PORT_START("IN.0") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_NAME("Change Position") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_NAME("Clear Board") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3) PORT_NAME("New Game") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4) PORT_NAME("Take Back") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5) PORT_NAME("King") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6) PORT_NAME("Queen") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_7) PORT_NAME("Rook") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) - - PORT_START("IN.1") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_8) PORT_NAME("Bishop") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_9) PORT_NAME("Knight") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_0) PORT_NAME("Pawn") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Q) PORT_NAME("White") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_W) PORT_NAME("Black") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_E) PORT_NAME("Move") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_R) PORT_NAME("Level") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_T) PORT_NAME("Sound") -INPUT_PORTS_END - - - -/****************************************************************************** - Machine Drivers -******************************************************************************/ - -void master_state::master(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, 8_MHz_XTAL/2); - m_maincpu->set_addrmap(AS_PROGRAM, &master_state::main_trampoline); - ADDRESS_MAP_BANK(config, "mainmap").set_map(&master_state::main_map).set_options(ENDIANNESS_LITTLE, 8, 16); - - const attotime irq_period = attotime::from_hz(429); // theoretical frequency from 555 timer (22nF, 150K, 1K5), measurement was 418Hz - TIMER(config, m_irq_on).configure_periodic(FUNC(master_state::irq_on<INPUT_LINE_IRQ0>), irq_period); - m_irq_on->set_start_delay(irq_period - attotime::from_nsec(22870)); // active for 22.87us - TIMER(config, "irq_off").configure_periodic(FUNC(master_state::irq_off<INPUT_LINE_IRQ0>), 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(9, 2); - config.set_default_layout(layout_ck_master); - - /* sound hardware */ - SPEAKER(config, "speaker").front_center(); - DAC_2BIT_BINARY_WEIGHTED_ONES_COMPLEMENT(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.125); - 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); -} - - - -/****************************************************************************** - ROM Definitions -******************************************************************************/ - -ROM_START( ckmaster ) - ROM_REGION( 0x10000, "maincpu", 0 ) - ROM_LOAD("ckmaster.ic2", 0x0000, 0x2000, CRC(59cbec9e) SHA1(2e0629e65778da62bed857406b91a334698d2fe8) ) // D2764C, no label -ROM_END - -} // anonymous namespace - - - -/****************************************************************************** - Drivers -******************************************************************************/ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -CONS( 1984, ckmaster, 0, 0, master, master, master_state, init_master, "Chess King", "Master (Chess King)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) |