// license:BSD-3-Clause // copyright-holders:Sandro Ronco /*************************************************************************** Chess-Master TODO: - figure out why chessmsta won't work, for starters it assume z80 carry flag is set at poweron? ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/clock.h" #include "machine/z80pio.h" #include "sound/beep.h" #include "sound/spkrdev.h" #include "bus/generic/slot.h" #include "bus/generic/carts.h" #include "speaker.h" #include "chessmst.lh" #include "chessmstdm.lh" class chessmst_state : public driver_device { public: chessmst_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_pia2(*this, "z80pio2") , m_speaker(*this, "speaker") , m_beeper(*this, "beeper") , m_extra(*this, "EXTRA") , m_buttons(*this, "BUTTONS") , m_digits(*this, "digit%u", 0U) , m_leds(*this, "led_%c%u", unsigned('a'), 1U) { } DECLARE_INPUT_CHANGED_MEMBER(chessmst_sensor); DECLARE_INPUT_CHANGED_MEMBER(reset_button); DECLARE_INPUT_CHANGED_MEMBER(view_monitor_button); void chessmst(machine_config &config); void chessmsta(machine_config &config); void chessmstdm(machine_config &config); protected: virtual void machine_start() override; virtual void machine_reset() override; DECLARE_WRITE8_MEMBER( digits_w ); DECLARE_WRITE8_MEMBER( pio1_port_a_w ); DECLARE_WRITE8_MEMBER( pio1_port_b_w ); DECLARE_WRITE8_MEMBER( pio1_port_b_dm_w ); DECLARE_READ8_MEMBER( pio2_port_a_r ); DECLARE_WRITE8_MEMBER( pio2_port_b_w ); DECLARE_WRITE_LINE_MEMBER( timer_555_w ); void chessmst_io(address_map &map); void chessmst_mem(address_map &map); void chessmstdm(address_map &map); void chessmstdm_io(address_map &map); private: void update_display(); required_device m_maincpu; required_device m_pia2; optional_device m_speaker; optional_device m_beeper; required_ioport m_extra; required_ioport m_buttons; output_finder<4> m_digits; output_finder<10, 8> m_leds; uint16_t m_matrix; uint16_t m_led_sel; uint8_t m_sensor[64]; uint8_t m_digit_matrix; int m_digit_dot; uint16_t m_digit; }; void chessmst_state::chessmst_mem(address_map &map) { map.unmap_value_high(); map.global_mask(0x7fff); // A15 not connected map(0x0000, 0x27ff).rom(); map(0x3400, 0x3bff).ram(); } void chessmst_state::chessmstdm(address_map &map) { map.unmap_value_high(); map(0x0000, 0x3fff).rom(); map(0x4000, 0x7fff).r("cartslot", FUNC(generic_slot_device::read_rom)); map(0x8000, 0x8bff).ram(); } void chessmst_state::chessmst_io(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); //AM_RANGE(0x00, 0x03) AM_MIRROR(0xf0) read/write in both, not used by the software map(0x04, 0x07).mirror(0xf0).rw("z80pio1", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); map(0x08, 0x0b).mirror(0xf0).rw(m_pia2, FUNC(z80pio_device::read), FUNC(z80pio_device::write)); } void chessmst_state::chessmstdm_io(address_map &map) { chessmst_io(map); map(0x4c, 0x4c).w(this, FUNC(chessmst_state::digits_w)); } WRITE_LINE_MEMBER( chessmst_state::timer_555_w ) { m_pia2->strobe_b(state); m_pia2->data_b_write(m_matrix); } INPUT_CHANGED_MEMBER(chessmst_state::reset_button) { m_maincpu->set_input_line(INPUT_LINE_RESET, newval ? ASSERT_LINE : CLEAR_LINE); machine_reset(); } INPUT_CHANGED_MEMBER(chessmst_state::view_monitor_button) { // pressing both VIEW and MONITOR buttons causes a reset if ((m_extra->read() & 0x03) == 0x03) { m_maincpu->set_input_line(INPUT_LINE_RESET, PULSE_LINE); machine_reset(); } } INPUT_CHANGED_MEMBER(chessmst_state::chessmst_sensor) { uint8_t pos = (uint8_t)(uintptr_t)param; if (newval) { m_sensor[pos] = !m_sensor[pos]; } } /* Input ports */ static INPUT_PORTS_START( chessmst ) PORT_START("COL_A") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 0) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 1) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 2) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 3) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 4) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 5) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 6) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 7) PORT_START("COL_B") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 8) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 9) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 10) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 11) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 12) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 13) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 14) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 15) PORT_START("COL_C") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 16) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 17) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 18) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 19) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 20) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 21) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 22) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 23) PORT_START("COL_D") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 24) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 25) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 26) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 27) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 28) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 29) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 30) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 31) PORT_START("COL_E") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 32) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 33) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 34) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 35) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 36) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 37) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 38) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 39) PORT_START("COL_F") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 40) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 41) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 42) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 43) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 44) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 45) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 46) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 47) PORT_START("COL_G") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 48) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 49) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 50) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 51) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 52) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 53) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 54) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 55) PORT_START("COL_H") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 56) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 57) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 58) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 59) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 60) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 61) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 62) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, chessmst_sensor, 63) PORT_START("BUTTONS") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Hint [7]") PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_H) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Random [6]") PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_R) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Referee [5]") PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_F) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Selfplay [4]") PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_S) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Board [3]") PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_B) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Color [2]") PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_C) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Level [1]") PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_L) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("New Game [0]") PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_ENTER) PORT_START("EXTRA") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Halt") PORT_CODE(KEYCODE_F2) PORT_WRITE_LINE_DEVICE_MEMBER("z80pio1", z80pio_device, strobe_a) // -> PIO(1) ASTB pin PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Reset") PORT_CODE(KEYCODE_F1) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, reset_button, 0) // -> Z80 RESET pin INPUT_PORTS_END static INPUT_PORTS_START( chessmstdm ) PORT_INCLUDE(chessmst) PORT_MODIFY("BUTTONS") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Move Fore") PORT_CODE(KEYCODE_RIGHT) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Move Back") PORT_CODE(KEYCODE_LEFT) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Board") PORT_CODE(KEYCODE_B) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Match / Time") PORT_CODE(KEYCODE_M) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Parameter / Information") PORT_CODE(KEYCODE_I) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Selection / Dialogue") PORT_CODE(KEYCODE_S) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Function / Notation") PORT_CODE(KEYCODE_F) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_MODIFY("EXTRA") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Monitor") PORT_CODE(KEYCODE_F1) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, view_monitor_button, 0) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("View") PORT_CODE(KEYCODE_F2) PORT_CHANGED_MEMBER(DEVICE_SELF, chessmst_state, view_monitor_button, 0) INPUT_PORTS_END void chessmst_state::machine_start() { m_digits.resolve(); m_leds.resolve(); save_item(NAME(m_matrix)); save_item(NAME(m_led_sel)); save_item(NAME(m_sensor)); save_item(NAME(m_digit_matrix)); save_item(NAME(m_digit_dot)); save_item(NAME(m_digit)); } void chessmst_state::machine_reset() { //reset all sensors memset(m_sensor, 1, sizeof(m_sensor)); //positioning the pieces for start next game for (int i=0; i<64; i+=8) m_sensor[i+0] = m_sensor[i+1] = m_sensor[i+6] = m_sensor[i+7] = 0; } void chessmst_state::update_display() { for (int i = 0; i < 4; i++) { if (BIT(m_digit_matrix, i)) m_digits[i] = bitswap<16>(m_digit, 3,5,12,10,14,1,2,13,8,6,11,15,7,9,4,0) | (m_digit_dot << 16); } } WRITE8_MEMBER( chessmst_state::digits_w ) { m_digit = (m_digit << 4) | (data & 0x0f); m_digit_matrix = (data >> 4) & 0x0f; update_display(); } WRITE8_MEMBER( chessmst_state::pio1_port_a_w ) { for (int row = 0; row < 8; row++) { if (BIT(m_led_sel, 0)) m_leds[0][row] = BIT(data, 7 - row); if (BIT(m_led_sel, 1)) m_leds[1][row] = BIT(data, 7 - row); if (BIT(m_led_sel, 2)) m_leds[2][row] = BIT(data, 7 - row); if (BIT(m_led_sel, 3)) m_leds[3][row] = BIT(data, 7 - row); if (BIT(m_led_sel, 4)) m_leds[4][row] = BIT(data, 7 - row); if (BIT(m_led_sel, 5)) m_leds[5][row] = BIT(data, 7 - row); if (BIT(m_led_sel, 6)) m_leds[6][row] = BIT(data, 7 - row); if (BIT(m_led_sel, 7)) m_leds[7][row] = BIT(data, 7 - row); if (BIT(m_led_sel, 8)) m_leds[8][row] = BIT(data, 7 - row); if (BIT(m_led_sel, 9)) m_leds[9][row] = BIT(data, 7 - row); } m_led_sel = 0; } WRITE8_MEMBER( chessmst_state::pio1_port_b_w ) { m_matrix = (m_matrix & 0xff) | ((data & 0x01)<<8); m_led_sel = (m_led_sel & 0xff) | ((data & 0x03)<<8); m_speaker->level_w(BIT(data, 6)); } WRITE8_MEMBER( chessmst_state::pio1_port_b_dm_w ) { m_matrix = (m_matrix & 0xff) | ((data & 0x04)<<6); m_digit_dot = BIT(data, 4); if (m_digit_dot) update_display(); m_beeper->set_state(BIT(data, 3)); output().set_value("monitor_led", !BIT(data, 5)); output().set_value("playmode_led", !BIT(data, 6)); } READ8_MEMBER( chessmst_state::pio2_port_a_r ) { uint8_t data = 0x00; // The pieces position on the chessboard is identified by 64 Hall // sensors, which are in a 8x8 matrix with the corresponding LEDs. for (int i=0; i<8; i++) for (int j=0; j<8; j++) { if (m_matrix & (1 << j)) data |= (m_sensor[j * 8 + i] ? (1 << i) : 0); } if (m_matrix & 0x100) data |= m_buttons->read(); return data; } WRITE8_MEMBER( chessmst_state::pio2_port_b_w ) { m_matrix = (data & 0xff) | (m_matrix & 0x100); m_led_sel = (data & 0xff) | (m_led_sel & 0x300); } static const z80_daisy_config chessmst_daisy_chain[] = { { "z80pio1" }, { nullptr } }; static const z80_daisy_config chessmstdm_daisy_chain[] = { { "z80pio2" }, { nullptr } }; MACHINE_CONFIG_START(chessmst_state::chessmst) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80, 9.8304_MHz_XTAL/4) // U880 Z80 clone MCFG_CPU_PROGRAM_MAP(chessmst_mem) MCFG_CPU_IO_MAP(chessmst_io) MCFG_Z80_DAISY_CHAIN(chessmst_daisy_chain) MCFG_DEVICE_ADD("z80pio1", Z80PIO, 9.8304_MHz_XTAL/4) MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) MCFG_Z80PIO_OUT_PA_CB(WRITE8(chessmst_state, pio1_port_a_w)) MCFG_Z80PIO_OUT_PB_CB(WRITE8(chessmst_state, pio1_port_b_w)) MCFG_DEVICE_ADD("z80pio2", Z80PIO, 9.8304_MHz_XTAL/4) MCFG_Z80PIO_IN_PA_CB(READ8(chessmst_state, pio2_port_a_r)) MCFG_Z80PIO_OUT_PB_CB(WRITE8(chessmst_state, pio2_port_b_w)) MCFG_DEFAULT_LAYOUT(layout_chessmst) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MACHINE_CONFIG_END MACHINE_CONFIG_START(chessmst_state::chessmsta) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80, 8_MHz_XTAL/4) // U880 Z80 clone MCFG_CPU_PROGRAM_MAP(chessmst_mem) MCFG_CPU_IO_MAP(chessmst_io) MCFG_Z80_DAISY_CHAIN(chessmst_daisy_chain) MCFG_DEVICE_ADD("z80pio1", Z80PIO, 8_MHz_XTAL/4) MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) MCFG_Z80PIO_OUT_PA_CB(WRITE8(chessmst_state, pio1_port_a_w)) MCFG_Z80PIO_OUT_PB_CB(WRITE8(chessmst_state, pio1_port_b_w)) MCFG_DEVICE_ADD("z80pio2", Z80PIO, 8_MHz_XTAL/4) MCFG_Z80PIO_IN_PA_CB(READ8(chessmst_state, pio2_port_a_r)) MCFG_Z80PIO_OUT_PB_CB(WRITE8(chessmst_state, pio2_port_b_w)) MCFG_DEFAULT_LAYOUT(layout_chessmst) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MACHINE_CONFIG_END MACHINE_CONFIG_START(chessmst_state::chessmstdm) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80, 8_MHz_XTAL/2) // U880 Z80 clone MCFG_CPU_PROGRAM_MAP(chessmstdm) MCFG_CPU_IO_MAP(chessmstdm_io) MCFG_Z80_DAISY_CHAIN(chessmstdm_daisy_chain) MCFG_DEVICE_ADD("z80pio1", Z80PIO, 8_MHz_XTAL/4) MCFG_Z80PIO_OUT_PA_CB(WRITE8(chessmst_state, pio1_port_a_w)) MCFG_Z80PIO_OUT_PB_CB(WRITE8(chessmst_state, pio1_port_b_dm_w)) MCFG_Z80PIO_IN_PB_CB(IOPORT("EXTRA")) MCFG_DEVICE_ADD("z80pio2", Z80PIO, 8_MHz_XTAL/4) MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) MCFG_Z80PIO_IN_PA_CB(READ8(chessmst_state, pio2_port_a_r)) MCFG_Z80PIO_OUT_PB_CB(WRITE8(chessmst_state, pio2_port_b_w)) MCFG_DEFAULT_LAYOUT(layout_chessmstdm) MCFG_DEVICE_ADD("555_timer", CLOCK, 500) // from 555 timer MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(chessmst_state, timer_555_w)) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("beeper", BEEP, 1000) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "chessmstdm_cart") MCFG_SOFTWARE_LIST_ADD("cart_list", "chessmstdm") MACHINE_CONFIG_END /* ROM definition */ ROM_START( chessmst ) ROM_REGION( 0x2800, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "056.bin", 0x0000, 0x0400, CRC(2b90e5d3) SHA1(c47445964b2e6cb11bd1f27e395cf980c97af196) ) ROM_LOAD( "057.bin", 0x0400, 0x0400, CRC(e666fc56) SHA1(3fa75b82cead81973bea94191a5c35f0acaaa0e6) ) ROM_LOAD( "058.bin", 0x0800, 0x0400, CRC(6a17fbec) SHA1(019051e93a5114477c50eaa87e1ff01b02eb404d) ) ROM_LOAD( "059.bin", 0x0c00, 0x0400, CRC(e96e3d07) SHA1(20fab75f206f842231f0414ebc473ce2a7371e7f) ) ROM_LOAD( "060.bin", 0x1000, 0x0400, CRC(0e31f000) SHA1(daac924b79957a71a4b276bf2cef44badcbe37d3) ) ROM_LOAD( "061.bin", 0x1400, 0x0400, CRC(69ad896d) SHA1(25d999b59d4cc74bd339032c26889af00e64df60) ) ROM_LOAD( "062.bin", 0x1800, 0x0400, CRC(c42925fe) SHA1(c42d8d7c30a9b6d91ac994cec0cc2723f41324e9) ) ROM_LOAD( "063.bin", 0x1c00, 0x0400, CRC(86be4cdb) SHA1(741f984c15c6841e227a8722ba30cf9e6b86d878) ) ROM_LOAD( "064.bin", 0x2000, 0x0400, CRC(e82f5480) SHA1(38a939158052f5e6484ee3725b86e522541fe4aa) ) ROM_LOAD( "065.bin", 0x2400, 0x0400, CRC(4ec0e92c) SHA1(0b748231a50777391b04c1778750fbb46c21bee8) ) ROM_END ROM_START( chessmsta ) ROM_REGION( 0x2800, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "2764.bin", 0x0000, 0x2000, CRC(6be28876) SHA1(fd7d77b471e7792aef3b2b3f7ff1de4cdafc94c9) ) ROM_LOAD( "u2616bm108.bin", 0x2000, 0x0800, CRC(6e69ace3) SHA1(e099b6b6cc505092f64b8d51ab9c70aa64f58f70) ) ROM_END ROM_START( chessmstdm ) ROM_REGION( 0x4000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD("cmd_bm002_bm201.bin", 0x0000, 0x4000, CRC(47858079) SHA1(eeae1126b514e4853d056690e72e7f5c6dfb3008)) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT STATE INIT COMPANY FULLNAME FLAGS COMP( 1984, chessmst, 0, 0, chessmst, chessmst, chessmst_state, 0, "VEB Mikroelektronik Erfurt", "Chess-Master (set 1)", MACHINE_NOT_WORKING | MACHINE_CLICKABLE_ARTWORK ) COMP( 1984, chessmsta, chessmst, 0, chessmsta, chessmst, chessmst_state, 0, "VEB Mikroelektronik Erfurt", "Chess-Master (set 2)", MACHINE_NOT_WORKING | MACHINE_CLICKABLE_ARTWORK ) COMP( 1987, chessmstdm, 0, 0, chessmstdm, chessmstdm, chessmst_state, 0, "VEB Mikroelektronik Erfurt", "Chess-Master Diamond", MACHINE_NOT_WORKING | MACHINE_CLICKABLE_ARTWORK )