diff options
Diffstat (limited to 'src/mame/drivers/ckz80.cpp')
-rw-r--r-- | src/mame/drivers/ckz80.cpp | 478 |
1 files changed, 0 insertions, 478 deletions
diff --git a/src/mame/drivers/ckz80.cpp b/src/mame/drivers/ckz80.cpp deleted file mode 100644 index d2dd6ae0f92..00000000000 --- a/src/mame/drivers/ckz80.cpp +++ /dev/null @@ -1,478 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:hap -// thanks-to:Berger -/****************************************************************************** - - Chess King generic Z80 based chess computer driver - - NOTE: MAME doesn't include a generalized implementation for boardpieces yet, - greatly affecting user playability of emulated electronic board games. - As workaround for the chess games, use an external chess GUI on the side, - such as Arena(in editmode). - - TODO: - - ckmaster 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. - -****************************************************************************** - -Master: -- 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 - -******************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "machine/timer.h" -#include "machine/bankdev.h" -#include "sound/dac.h" -#include "sound/volt_reg.h" -#include "speaker.h" - -// internal artwork -#include "ck_master.lh" // clickable - - -class ckz80_state : public driver_device -{ -public: - ckz80_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_dac(*this, "dac"), - m_master_map(*this, "master_map"), - m_inp_matrix(*this, "IN.%u", 0), - m_out_x(*this, "%u.%u", 0U, 0U), - m_out_a(*this, "%u.a", 0U), - m_out_digit(*this, "digit%u", 0U), - m_display_wait(33), - m_display_maxy(1), - m_display_maxx(0) - { } - - // devices/pointers - required_device<cpu_device> m_maincpu; - required_device<timer_device> m_irq_on; - required_device<dac_2bit_binary_weighted_ones_complement_device> m_dac; - optional_device<address_map_bank_device> m_master_map; - optional_ioport_array<10> m_inp_matrix; // max 10 - output_finder<0x20, 0x20> m_out_x; - output_finder<0x20> m_out_a; - output_finder<0x20> m_out_digit; - - template<int L> TIMER_DEVICE_CALLBACK_MEMBER(irq_on) { m_maincpu->set_input_line(L, ASSERT_LINE); } - template<int L> TIMER_DEVICE_CALLBACK_MEMBER(irq_off) { m_maincpu->set_input_line(L, CLEAR_LINE); } - - // misc common - u16 m_inp_mux; // multiplexed keypad mask - u16 m_led_select; - u16 m_led_data; - - u16 read_inputs(int columns); - - // display common - int m_display_wait; // led/lamp off-delay in milliseconds (default 33ms) - int m_display_maxy; // display matrix number of rows - int m_display_maxx; // display matrix number of columns (max 31 for now) - - u32 m_display_state[0x20]; // display matrix rows data (last bit is used for always-on) - u16 m_display_segmask[0x20]; // if not 0, display matrix row is a digit, mask indicates connected segments - u8 m_display_decay[0x20][0x20]; // (internal use) - - TIMER_DEVICE_CALLBACK_MEMBER(display_decay_tick); - void display_update(); - void set_display_size(int maxx, int maxy); - void display_matrix(int maxx, int maxy, u32 setx, u32 sety, bool update = true); - - // Master - u8 master_input_r(); - void master_control_w(u8 data); - void init_master(); - u8 master_trampoline_r(offs_t offset); - void master_trampoline_w(offs_t offset, u8 data); - void master_map(address_map &map); - void master_trampoline(address_map &map); - void master(machine_config &config); - -protected: - virtual void machine_start() override; - virtual void machine_reset() override; -}; - - -// machine start/reset - -void ckz80_state::machine_start() -{ - // resolve handlers - m_out_x.resolve(); - m_out_a.resolve(); - m_out_digit.resolve(); - - // zerofill - memset(m_display_state, 0, sizeof(m_display_state)); - memset(m_display_decay, 0, sizeof(m_display_decay)); - memset(m_display_segmask, 0, sizeof(m_display_segmask)); - - m_inp_mux = 0; - m_led_select = 0; - m_led_data = 0; - - // register for savestates - save_item(NAME(m_display_maxy)); - save_item(NAME(m_display_maxx)); - save_item(NAME(m_display_wait)); - - save_item(NAME(m_display_state)); - save_item(NAME(m_display_decay)); - save_item(NAME(m_display_segmask)); - - save_item(NAME(m_inp_mux)); - save_item(NAME(m_led_select)); - save_item(NAME(m_led_data)); -} - -void ckz80_state::machine_reset() -{ -} - - - -/*************************************************************************** - - Helper Functions - -***************************************************************************/ - -// The device may strobe the outputs very fast, it is unnoticeable to the user. -// To prevent flickering here, we need to simulate a decay. - -void ckz80_state::display_update() -{ - for (int y = 0; y < m_display_maxy; y++) - { - u32 active_state = 0; - - for (int x = 0; x <= m_display_maxx; x++) - { - // turn on powered segments - if (m_display_state[y] >> x & 1) - m_display_decay[y][x] = m_display_wait; - - // determine active state - u32 ds = (m_display_decay[y][x] != 0) ? 1 : 0; - active_state |= (ds << x); - - // output to y.x, or y.a when always-on - if (x != m_display_maxx) - m_out_x[y][x] = ds; - else - m_out_a[y] = ds; - } - - // output to digity - if (m_display_segmask[y] != 0) - m_out_digit[y] = active_state & m_display_segmask[y]; - } -} - -TIMER_DEVICE_CALLBACK_MEMBER(ckz80_state::display_decay_tick) -{ - // slowly turn off unpowered segments - for (int y = 0; y < m_display_maxy; y++) - for (int x = 0; x <= m_display_maxx; x++) - if (m_display_decay[y][x] != 0) - m_display_decay[y][x]--; - - display_update(); -} - -void ckz80_state::set_display_size(int maxx, int maxy) -{ - m_display_maxx = maxx; - m_display_maxy = maxy; -} - -void ckz80_state::display_matrix(int maxx, int maxy, u32 setx, u32 sety, bool update) -{ - set_display_size(maxx, maxy); - - // update current state - u32 mask = (1 << maxx) - 1; - for (int y = 0; y < maxy; y++) - m_display_state[y] = (sety >> y & 1) ? ((setx & mask) | (1 << maxx)) : 0; - - if (update) - display_update(); -} - - -// generic input handlers - -u16 ckz80_state::read_inputs(int columns) -{ - u16 ret = 0; - - // read selected input rows - for (int i = 0; i < columns; i++) - if (m_inp_mux >> i & 1) - ret |= m_inp_matrix[i]->read(); - - return ret; -} - - - -// Devices, I/O - -/****************************************************************************** - Master -******************************************************************************/ - -// TTL/generic - -void ckz80_state::master_control_w(u8 data) -{ - // d0-d3: 74145 A-D - // 74145 0-9: input mux, led select - u16 sel = 1 << (data & 0xf) & 0x3ff; - m_inp_mux = sel; - - // d4,d5: led data - display_matrix(2, 9, data >> 4 & 3, sel & 0x1ff); - - // d6,d7: speaker +/- - m_dac->write(data >> 6 & 3); -} - -u8 ckz80_state::master_input_r() -{ - // d0-d7: multiplexed inputs (active low) - return ~read_inputs(10); -} - -void ckz80_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 -******************************************************************************/ - -// Master - -void ckz80_state::master_map(address_map &map) -{ - map(0x0000, 0x1fff).mirror(0x6000).rom().region("maincpu", 0); // _A15 - map(0xa000, 0xa000).mirror(0x1fff).rw(FUNC(ckz80_state::master_input_r), FUNC(ckz80_state::master_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 ckz80_state::master_trampoline_w(offs_t offset, u8 data) -{ - if (offset & 0x2000) - m_master_map->write8((offset & 0x3fff) | 0x8000, data); - if (offset & 0x4000) - m_master_map->write8((offset & 0x7fff) | 0x8000, data); -} - -u8 ckz80_state::master_trampoline_r(offs_t offset) -{ - u8 data = 0xff; - if (~offset & 0x8000) - data &= m_master_map->read8(offset); - if (offset & 0x2000) - data &= m_master_map->read8((offset & 0x3fff) | 0x8000); - if (offset & 0x4000) - data &= m_master_map->read8((offset & 0x7fff) | 0x8000); - - return data; -} - -void ckz80_state::master_trampoline(address_map &map) -{ - map(0x0000, 0xffff).rw(FUNC(ckz80_state::master_trampoline_r), FUNC(ckz80_state::master_trampoline_w)); -} - - - -/****************************************************************************** - Input Ports -******************************************************************************/ - -static INPUT_PORTS_START( cb_buttons ) - PORT_START("IN.0") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.1") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.2") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.3") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.4") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.5") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.6") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - - PORT_START("IN.7") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board Sensor") -INPUT_PORTS_END - - -static INPUT_PORTS_START( master ) - PORT_INCLUDE( cb_buttons ) - - PORT_START("IN.8") - 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.9") - 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 ckz80_state::master(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, 8_MHz_XTAL/2); - m_maincpu->set_addrmap(AS_PROGRAM, &ckz80_state::master_trampoline); - ADDRESS_MAP_BANK(config, "master_map").set_map(&ckz80_state::master_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(ckz80_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(ckz80_state::irq_off<INPUT_LINE_IRQ0>), irq_period); - - TIMER(config, "display_decay").configure_periodic(FUNC(ckz80_state::display_decay_tick), attotime::from_msec(1)); - config.set_default_layout(layout_ck_master); - - /* sound hardware */ - SPEAKER(config, "speaker").front_center(); - DAC_2BIT_BINARY_WEIGHTED_ONES_COMPLEMENT(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); - 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 - - - -/****************************************************************************** - Drivers -******************************************************************************/ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -CONS( 1984, ckmaster, 0, 0, master, master, ckz80_state, init_master, "Chess King", "Master (Chess King)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_CONTROLS ) |