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-rw-r--r--src/mame/drivers/tk80.cpp427
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diff --git a/src/mame/drivers/tk80.cpp b/src/mame/drivers/tk80.cpp
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-// license:BSD-3-Clause
-// copyright-holders:Miodrag Milanovic, Robbbert
-/***************************************************************************
-
-
-
-NEC TK80 / MIKROLAB KR580IK80
-*****************************
-TK80 driver by Robbbert
-Mikrolab driver by Micko
-Merged by Robbbert.
-
-TK80 (Training Kit 80) considered to be Japan's first home computer.
-It consisted of 25 keys and 8 LED digits, and was programmed in hex.
-The Mikrolab is a Russian clone which appears to be almost completely identical.
-
-TK85 seems to be the same as TK80, except it has a 8085 and a larger ROM.
-No schematics etc are available. Thanks to 'Nama' who dumped the rom.
-It has 25 keys, so a few aren't defined yet.
-
-ND-80Z : http://www.alles.or.jp/~thisida/nd80z3syokai.html (newer version)
-Like the TK85, it has a 2KB rom. Thanks again to 'Nama' who dumped it.
-
-When booted, the system begins at 0000 which is ROM. You need to change the
-address to 8000 before entering a program. Here is a test to paste in:
-8000-11^22^33^44^55^66^77^88^99^8000-
-Press the right-arrow to confirm data has been entered.
-
-Operation:
-4 digits at left is the address; 2 digits at right is the data.
-As you increment addresses, the middle 2 digits show the previous byte.
-You can enter 4 digits, and pressing 'ADRS SET' will transfer this info
-to the left, thus setting the address to this value. Press 'WRITE INCR' to
-store new data and increment the address. Press 'READ INCR' and 'READ DECR'
-to scan through data without updating it. Other keys unknown/not implemented.
-
-ToDo:
-- Add storage
-
-
-
-ICS8080
-- Keys labels are correct, but which key is which is not known
-- Character B is corrupt
-- Operation is different to the other systems
-
-****************************************************************************/
-
-#include "emu.h"
-#include "cpu/i8085/i8085.h"
-#include "cpu/z80/z80.h"
-#include "machine/i8255.h"
-#include "machine/keyboard.h"
-#include "tk80.lh"
-
-
-class tk80_state : public driver_device
-{
-public:
- tk80_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, "maincpu")
- , m_ppi(*this, "ppi8255")
- , m_digit(*this, "digit%u", 0U)
- { }
-
- void ics8080(machine_config &config);
- void tk80(machine_config &config);
- void mikrolab(machine_config &config);
- void nd80z(machine_config &config);
- void tk85(machine_config &config);
-
-private:
- virtual void machine_start() override;
-
- DECLARE_READ8_MEMBER(key_matrix_r);
- DECLARE_READ8_MEMBER(nd80z_key_r);
- DECLARE_READ8_MEMBER(serial_r);
- DECLARE_WRITE8_MEMBER(serial_w);
- DECLARE_WRITE8_MEMBER(mikrolab_serial_w);
- DECLARE_READ8_MEMBER(display_r);
- DECLARE_WRITE8_MEMBER(display_w);
-
- void ics8080_mem(address_map &map);
- void mikrolab_io(address_map &map);
- void nd80z_io(address_map &map);
- void tk80_io(address_map &map);
- void tk80_mem(address_map &map);
- void tk85_mem(address_map &map);
-
- uint8_t m_term_data;
- uint8_t m_keyb_press;
- uint8_t m_keyb_press_flag;
- uint8_t m_shift_press_flag;
- uint8_t m_ppi_portc;
-
- required_device<cpu_device> m_maincpu;
- required_device<i8255_device> m_ppi;
- output_finder<8> m_digit;
-};
-
-
-void tk80_state::machine_start()
-{
- m_digit.resolve();
-
- save_item(NAME(m_term_data));
- save_item(NAME(m_keyb_press));
- save_item(NAME(m_keyb_press_flag));
- save_item(NAME(m_shift_press_flag));
- save_item(NAME(m_ppi_portc));
-}
-
-READ8_MEMBER( tk80_state::display_r )
-{
- return m_digit[offset & 0x7];
-}
-
-WRITE8_MEMBER( tk80_state::display_w )
-{
- m_digit[offset & 0x7] = data;
-}
-
-void tk80_state::tk80_mem(address_map &map)
-{
- map.unmap_value_high();
- map.global_mask(0x83ff); // A10-14 not connected
- map(0x0000, 0x02ff).rom();
- map(0x0300, 0x03ff).ram(); // EEPROM
- map(0x8000, 0x83f7).ram(); // RAM
- map(0x83f8, 0x83ff).ram().rw(FUNC(tk80_state::display_r), FUNC(tk80_state::display_w));
-}
-
-void tk80_state::tk85_mem(address_map &map)
-{
- map.unmap_value_high();
- map.global_mask(0x87ff); // A10-14 not connected
- map(0x0000, 0x07ff).rom();
- map(0x8000, 0x83f7).ram();
- map(0x83f8, 0x83ff).ram().rw(FUNC(tk80_state::display_r), FUNC(tk80_state::display_w));
-}
-
-void tk80_state::ics8080_mem(address_map &map)
-{
- map.unmap_value_high();
- //map.global_mask(0x87ff); // A10-14 not connected
- map(0x0000, 0x1fff).rom();
- map(0x8000, 0x83f7).ram();
- map(0x83f8, 0x83ff).ram().rw(FUNC(tk80_state::display_r), FUNC(tk80_state::display_w));
- map(0x8400, 0x8fff).ram();
-}
-
-void tk80_state::tk80_io(address_map &map)
-{
- map.unmap_value_high();
- map.global_mask(0x03);
- map(0x00, 0x03).rw(m_ppi, FUNC(i8255_device::read), FUNC(i8255_device::write));
-}
-
-void tk80_state::mikrolab_io(address_map &map)
-{
- map.unmap_value_high();
- map.global_mask(0x03);
- map(0x00, 0x03).rw(m_ppi, FUNC(i8255_device::read), FUNC(i8255_device::write));
-}
-
-void tk80_state::nd80z_io(address_map &map)
-{
- map.unmap_value_high();
- map.global_mask(0x03);
- map(0x00, 0x03).rw(m_ppi, FUNC(i8255_device::read), FUNC(i8255_device::write));
-}
-
-/* Input ports */
-static INPUT_PORTS_START( tk80 )
- PORT_START("X0") /* KEY ROW 0 */
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7')
-
- PORT_START("X1") /* KEY ROW 1 */
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F')
-
- PORT_START("X2") /* KEY ROW 2 */
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RUN") PORT_CODE(KEYCODE_X) PORT_CHAR('X')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RET") PORT_CODE(KEYCODE_W)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ADRS SET") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("READ DECR") PORT_CODE(KEYCODE_LEFT)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("READ INCR") PORT_CODE(KEYCODE_RIGHT)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("WRITE INCR") PORT_CODE(KEYCODE_UP) PORT_CHAR('^')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("STORE DATA") PORT_CODE(KEYCODE_I)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LOAD DATA") PORT_CODE(KEYCODE_O)
-INPUT_PORTS_END
-
-INPUT_PORTS_START( mikrolab )
- PORT_INCLUDE( tk80 )
- PORT_MODIFY("X2")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RUN") PORT_CODE(KEYCODE_X) PORT_CHAR('X')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RESUME") PORT_CODE(KEYCODE_W)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ADDRESS") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_LEFT)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("+") PORT_CODE(KEYCODE_RIGHT)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SAVE") PORT_CODE(KEYCODE_UP) PORT_CHAR('^')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("END") PORT_CODE(KEYCODE_I)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_O)
-INPUT_PORTS_END
-
-INPUT_PORTS_START( ics8080 )
- PORT_INCLUDE( tk80 )
- PORT_MODIFY("X2")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ADDR") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("MEM") PORT_CODE(KEYCODE_T)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BRK") PORT_CODE(KEYCODE_Y)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CLR") PORT_CODE(KEYCODE_U)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("STEP") PORT_CODE(KEYCODE_I)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NEXT") PORT_CODE(KEYCODE_UP) PORT_CHAR('^')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("REG") PORT_CODE(KEYCODE_R)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RUN") PORT_CODE(KEYCODE_O)
-INPUT_PORTS_END
-
-static INPUT_PORTS_START( tk85 )
- PORT_START("X0")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0 / AF") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1 / BC") PORT_CODE(KEYCODE_1) PORT_CHAR('1')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2 / DE") PORT_CODE(KEYCODE_2) PORT_CHAR('2')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3 / HL") PORT_CODE(KEYCODE_3) PORT_CHAR('3')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4 / SP") PORT_CODE(KEYCODE_4) PORT_CHAR('4')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5 / BR.P") PORT_CODE(KEYCODE_5) PORT_CHAR('5')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6 / BR.D") PORT_CODE(KEYCODE_6) PORT_CHAR('6')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7')
-
- PORT_START("X1")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A / SAVE") PORT_CODE(KEYCODE_A) PORT_CHAR('A')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B / LOAD") PORT_CODE(KEYCODE_B) PORT_CHAR('B')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C / TM") PORT_CODE(KEYCODE_C) PORT_CHAR('C')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D / MOV") PORT_CODE(KEYCODE_D) PORT_CHAR('D')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E / OUT") PORT_CODE(KEYCODE_E) PORT_CHAR('E')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F / IN") PORT_CODE(KEYCODE_F) PORT_CHAR('F')
-
- PORT_START("X2")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RUN") PORT_CODE(KEYCODE_X) PORT_CHAR('X')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CONT") PORT_CODE(KEYCODE_W)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ADRS SET") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("READ DEC") PORT_CODE(KEYCODE_LEFT)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("READ INC") PORT_CODE(KEYCODE_RIGHT)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("WR / ENT") PORT_CODE(KEYCODE_UP) PORT_CHAR('^')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("MODE") PORT_CODE(KEYCODE_M)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("REG") PORT_CODE(KEYCODE_R)
-INPUT_PORTS_END
-
-READ8_MEMBER( tk80_state::key_matrix_r )
-{
- // PA0-7 keyscan in
-
- uint8_t data = 0xff;
-
- if (BIT(m_ppi_portc, 4))
- data &= ioport("X0")->read();
- if (BIT(m_ppi_portc, 5))
- data &= ioport("X1")->read();
- if (BIT(m_ppi_portc, 6))
- data &= ioport("X2")->read();
-
- return data;
-}
-
-READ8_MEMBER( tk80_state::nd80z_key_r )
-{
- // PA0-7 keyscan in
-
- uint8_t data = 0xff, row = m_ppi_portc & 7;
- if (row == 6)
- data &= ioport("X0")->read();
- else if (row == 5)
- data &= ioport("X1")->read();
- else if (row == 3)
- data &= ioport("X2")->read();
-
- return data;
-}
-
-READ8_MEMBER( tk80_state::serial_r )
-{
- // PB0 - serial in
- //printf("B R\n");
-
- return 0;
-}
-
-WRITE8_MEMBER( tk80_state::serial_w )
-{
- // PC0 - serial out
- // PC4-6 keyscan out
- // PC7 - display on/off
- m_ppi_portc = data ^ 0x70;
-}
-
-WRITE8_MEMBER( tk80_state::mikrolab_serial_w )
-{
- // PC0 - serial out
- // PC4-6 keyscan out
- // PC7 - display on/off
- m_ppi_portc = data;
-}
-
-void tk80_state::tk80(machine_config &config)
-{
- /* basic machine hardware */
- I8080A(config, m_maincpu, 18.432_MHz_XTAL / 9);
- m_maincpu->set_addrmap(AS_PROGRAM, &tk80_state::tk80_mem);
- m_maincpu->set_addrmap(AS_IO, &tk80_state::tk80_io);
-
- /* video hardware */
- config.set_default_layout(layout_tk80);
-
- /* Devices */
- I8255(config, m_ppi);
- m_ppi->in_pa_callback().set(FUNC(tk80_state::key_matrix_r));
- m_ppi->in_pb_callback().set(FUNC(tk80_state::serial_r));
- m_ppi->out_pc_callback().set(FUNC(tk80_state::serial_w));
-}
-
-void tk80_state::mikrolab(machine_config &config)
-{
- tk80(config);
- m_maincpu->set_addrmap(AS_PROGRAM, &tk80_state::tk85_mem);
- m_maincpu->set_addrmap(AS_IO, &tk80_state::mikrolab_io);
-
- /* Devices */
- m_ppi->out_pc_callback().set(FUNC(tk80_state::mikrolab_serial_w));
-}
-
-void tk80_state::nd80z(machine_config &config)
-{
- Z80(config, m_maincpu, 1e6); // Sharp LH0080A, can't see writing on xtal
- m_maincpu->set_addrmap(AS_PROGRAM, &tk80_state::tk85_mem);
- m_maincpu->set_addrmap(AS_IO, &tk80_state::nd80z_io);
-
- /* video hardware */
- config.set_default_layout(layout_tk80);
-
- /* Devices */
- I8255(config, m_ppi);
- m_ppi->in_pa_callback().set(FUNC(tk80_state::nd80z_key_r));
- m_ppi->in_pb_callback().set(FUNC(tk80_state::serial_r));
- m_ppi->out_pc_callback().set(FUNC(tk80_state::mikrolab_serial_w));
-}
-
-void tk80_state::tk85(machine_config &config)
-{
- I8085A(config, m_maincpu, 4.9152_MHz_XTAL);
- m_maincpu->set_addrmap(AS_PROGRAM, &tk80_state::tk85_mem);
- m_maincpu->set_addrmap(AS_IO, &tk80_state::tk80_io);
- // TODO: SID and SOD = serial cassette interface
-
- /* video hardware */
- config.set_default_layout(layout_tk80);
-
- /* Devices */
- I8255(config, m_ppi);
- m_ppi->in_pa_callback().set(FUNC(tk80_state::key_matrix_r));
- m_ppi->out_pc_callback().set(FUNC(tk80_state::serial_w));
-}
-
-void tk80_state::ics8080(machine_config &config)
-{
- tk80(config);
- m_maincpu->set_addrmap(AS_PROGRAM, &tk80_state::ics8080_mem);
-}
-
-
-/* ROM definition */
-ROM_START( tk80 )
- ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
- ROM_LOAD( "tk80-1.bin", 0x0000, 0x0100, CRC(897295e4) SHA1(50fb42b07252fc48044830e2f228e218fc59481c))
- ROM_LOAD( "tk80-2.bin", 0x0100, 0x0100, CRC(d54480c3) SHA1(354962aca1710ac75b40c8c23a6c303938f9d596))
- ROM_LOAD( "tk80-3.bin", 0x0200, 0x0100, CRC(8d4b02ef) SHA1(2b5a1ee8f97db23ffec48b96f12986461024c995))
-ROM_END
-
-ROM_START( ics8080 )
- ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
- ROM_LOAD( "amtsmnonv27.rom1", 0x0000, 0x0800, CRC(82d40dc5) SHA1(9215457101c3b9b8706dbebe902196494993a282) )
- ROM_LOAD( "thmcplv11.rom2", 0x0800, 0x0800, CRC(51784f70) SHA1(c05c75d566c4ff8f681eba29cd48e72b95be89e0) )
- ROM_LOAD( "tunev08.rom3", 0x1000, 0x0800, CRC(aae2344b) SHA1(b02b22cadb43c7ac26c43d443688b9b19d465973) )
- ROM_LOAD( "mtrspdv12.rom4", 0x1800, 0x0800, CRC(920dda33) SHA1(631ee5e6314d9788e7be0ae00a97b55693eeb855) )
-ROM_END
-
-ROM_START( mikrolab )
- ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
- /* these dumps are taken from PDF so need check with real device */
- ROM_LOAD( "rom-1.bin", 0x0000, 0x0200, BAD_DUMP CRC(eed5f23b) SHA1(c82f7a16ce44c4fcbcb333245555feae1fcdf058))
- ROM_LOAD( "rom-2.bin", 0x0200, 0x0200, BAD_DUMP CRC(726a224f) SHA1(7ed8d2c6dd4fb7836475e207e1972e33a6a91d2f))
-ROM_END
-
-ROM_START( nectk85 )
- ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
- ROM_LOAD( "tk85.bin", 0x0000, 0x0800, CRC(8a0b6d7e) SHA1(6acc8c04990692b08929043ccf638761b7301def))
-ROM_END
-
-ROM_START( nd80z )
- ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
- ROM_LOAD( "ndf.bin", 0x0000, 0x0800, CRC(fe829f1d) SHA1(6fff31884b8d984076d4450ca3a3e48efadeb648))
-ROM_END
-
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1976, tk80, 0, 0, tk80, tk80, tk80_state, empty_init, "NEC", "TK-80", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )
-COMP( 1980, nectk85, tk80, 0, tk85, tk85, tk80_state, empty_init, "NEC", "TK-85", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )
-COMP( 19??, nd80z, tk80, 0, nd80z, tk80, tk80_state, empty_init, "Chunichi", "ND-80Z", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )
-COMP( 19??, mikrolab, tk80, 0, mikrolab, mikrolab, tk80_state, empty_init, "<unknown>", "Mikrolab KR580IK80", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )
-COMP( 19??, ics8080, tk80, 0, ics8080, ics8080, tk80_state, empty_init, "<unknown>", "ICS8080", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )