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Diffstat (limited to 'src/mame/drivers/lc80.cpp')
-rw-r--r-- | src/mame/drivers/lc80.cpp | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/src/mame/drivers/lc80.cpp b/src/mame/drivers/lc80.cpp deleted file mode 100644 index 6d5841f8323..00000000000 --- a/src/mame/drivers/lc80.cpp +++ /dev/null @@ -1,446 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Curt Coder -/*************************************************************************** - - LC-80 - - 12/05/2009 Skeleton driver. - - When first started, the screen is blank. Wait about 8 seconds for - it to introduce itself, then you may use it or paste to it. - The decimal points indicate which side of the display you will - be updating. - - Pasting: - 0-F : as is - + (inc) : ^ - - (dec) : V - ADR : - - DAT : = - GO : X - - Test Paste: (lc80_2 only) - -2000=11^22^33^44^55^66^77^88^99^-2000 - Now press up-arrow to confirm the data has been entered. - - - ToDo: - - Most characters are lost when pasting (lc80, sc80). - -****************************************************************************/ - -/* - - TODO: - - - HALT led - - KSD11 switch - - banking for ROM 4-5 - - Schachcomputer SC-80 - - CTC clock inputs - -*/ - -#include "emu.h" -#include "includes/lc80.h" -#include "speaker.h" -#include "lc80.lh" - -/* Memory Maps */ - -void lc80_state::lc80_mem(address_map &map) -{ - map.global_mask(0x3fff); - map(0x0000, 0x07ff).bankr("bank1"); - map(0x0800, 0x0fff).bankr("bank2"); - map(0x1000, 0x17ff).bankr("bank3"); - map(0x2000, 0x23ff).ram(); - map(0x2400, 0x2fff).bankrw("bank4"); -} - -#if 0 -void lc80_state::sc80_mem(address_map &map) -{ - lc80_mem(map); - map(0xc000, 0xcfff).rom(); -} -#endif - -void lc80_state::lc80_io(address_map &map) -{ - map.global_mask(0x1f); - map(0x14, 0x17).rw(Z80PIO1_TAG, FUNC(z80pio_device::read), FUNC(z80pio_device::write)); - map(0x18, 0x1b).rw(m_pio2, FUNC(z80pio_device::read), FUNC(z80pio_device::write)); - map(0x0c, 0x0f).rw(Z80CTC_TAG, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); -} - -/* Input Ports */ - -INPUT_CHANGED_MEMBER( lc80_state::trigger_reset ) -{ - m_maincpu->set_input_line(INPUT_LINE_RESET, newval ? CLEAR_LINE : ASSERT_LINE); -} - -INPUT_CHANGED_MEMBER( lc80_state::trigger_nmi ) -{ - m_maincpu->set_input_line(INPUT_LINE_NMI, newval ? CLEAR_LINE : ASSERT_LINE); -} - -static INPUT_PORTS_START( lc80 ) - PORT_START("Y0") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("-") PORT_CODE(KEYCODE_DOWN) PORT_CHAR('V') - - PORT_START("Y1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LD") PORT_CODE(KEYCODE_L) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("+") PORT_CODE(KEYCODE_UP) PORT_CHAR('^') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') - - PORT_START("Y2") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ST") PORT_CODE(KEYCODE_S) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DAT") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') - - PORT_START("Y3") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("EX") PORT_CODE(KEYCODE_X) PORT_CHAR('X') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ADR") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') - - PORT_START("SPECIAL") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RES") PORT_CODE(KEYCODE_F10) PORT_CHANGED_MEMBER(DEVICE_SELF, lc80_state, trigger_reset, 0) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("NMI") PORT_CODE(KEYCODE_ESC) PORT_CHANGED_MEMBER(DEVICE_SELF, lc80_state, trigger_nmi, 0) -INPUT_PORTS_END - -/* Z80-CTC Interface */ - -WRITE_LINE_MEMBER( lc80_state::ctc_z0_w ) -{ -} - -WRITE_LINE_MEMBER( lc80_state::ctc_z1_w ) -{ -} - -WRITE_LINE_MEMBER( lc80_state::ctc_z2_w ) -{ -} - -/* Z80-PIO Interface */ - -void lc80_state::update_display() -{ - for (int i = 0; i < 6; i++) - { - if (!BIT(m_digit, i)) - m_digits[5 - i] = m_segment; - } -} - -WRITE8_MEMBER( lc80_state::pio1_pa_w ) -{ - /* - - bit description - - PA0 VQE23 segment B - PA1 VQE23 segment F - PA2 VQE23 segment A - PA3 VQE23 segment G - PA4 VQE23 segment DP - PA5 VQE23 segment C - PA6 VQE23 segment E - PA7 VQE23 segment D - - */ - - m_segment = bitswap<8>(~data, 4, 3, 1, 6, 7, 5, 0, 2); - - update_display(); -} - -READ8_MEMBER( lc80_state::pio1_pb_r ) -{ - /* - - bit description - - PB0 tape input - PB1 tape output - PB2 digit 0 - PB3 digit 1 - PB4 digit 2 - PB5 digit 3 - PB6 digit 4 - PB7 digit 5 - - */ - - return (m_cassette->input() < +0.0); -} - -WRITE8_MEMBER( lc80_state::pio1_pb_w ) -{ - /* - - bit description - - PB0 tape input - PB1 tape output, speaker output, OUT led - PB2 digit 0 - PB3 digit 1 - PB4 digit 2 - PB5 digit 3 - PB6 digit 4 - PB7 digit 5 - - */ - - /* tape output */ - m_cassette->output( BIT(data, 1) ? +1.0 : -1.0); - - /* speaker */ - m_speaker->level_w(!BIT(data, 1)); - - /* OUT led */ - m_out_led = !BIT(data, 1); - - /* keyboard */ - m_digit = data >> 2; - - /* display */ - update_display(); -} - -READ8_MEMBER( lc80_state::pio2_pb_r ) -{ - /* - - bit description - - PB0 - PB1 - PB2 - PB3 - PB4 key row 0 - PB5 key row 1 - PB6 key row 2 - PB7 key row 3 - - */ - - uint8_t data = 0xf0; - int i; - - for (i = 0; i < 6; i++) - { - if (!BIT(m_digit, i)) - { - if (!BIT(m_y[0]->read(), i)) data &= ~0x10; - if (!BIT(m_y[1]->read(), i)) data &= ~0x20; - if (!BIT(m_y[2]->read(), i)) data &= ~0x40; - if (!BIT(m_y[3]->read(), i)) data &= ~0x80; - } - } - - return data; -} - -#if 0 -/* Z80 Daisy Chain */ - -static const z80_daisy_config lc80_daisy_chain[] = -{ - { Z80CTC_TAG }, - { Z80PIO2_TAG }, - { Z80PIO1_TAG }, - { nullptr } -}; -#endif - -/* Machine Initialization */ - -void lc80_state::machine_start() -{ - address_space &program = m_maincpu->space(AS_PROGRAM); - - uint8_t *ROM = memregion(Z80_TAG)->base(); - - /* setup memory banking */ - membank("bank1")->configure_entry(0, &ROM[0]); // TODO - membank("bank1")->configure_entry(1, &ROM[0]); - membank("bank1")->set_entry(1); - - membank("bank2")->configure_entry(0, &ROM[0x800]); // TODO - membank("bank2")->configure_entry(1, &ROM[0x800]); - membank("bank2")->set_entry(1); - - membank("bank3")->configure_entry(0, &ROM[0x1000]); // TODO - membank("bank3")->configure_entry(1, &ROM[0x1000]); - membank("bank3")->set_entry(1); - - membank("bank4")->configure_entry(0, &ROM[0x2000]); - membank("bank4")->set_entry(0); - - program.install_readwrite_bank(0x0000, 0x07ff, "bank1"); - program.install_readwrite_bank(0x0800, 0x0fff, "bank2"); - program.install_readwrite_bank(0x1000, 0x17ff, "bank3"); - - switch (m_ram->size()) - { - case 1*1024: - program.install_readwrite_bank(0x2000, 0x23ff, "bank4"); - program.unmap_readwrite(0x2400, 0x2fff); - break; - - case 2*1024: - program.install_readwrite_bank(0x2000, 0x27ff, "bank4"); - program.unmap_readwrite(0x2800, 0x2fff); - break; - - case 3*1024: - program.install_readwrite_bank(0x2000, 0x2bff, "bank4"); - program.unmap_readwrite(0x2c00, 0x2fff); - break; - - case 4*1024: - program.install_readwrite_bank(0x2000, 0x2fff, "bank4"); - break; - } - - m_digits.resolve(); - m_out_led.resolve(); - - /* register for state saving */ - save_item(NAME(m_digit)); - save_item(NAME(m_segment)); -} - -/* Machine Driver */ - -void lc80_state::lc80(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, 900000); /* UD880D */ - m_maincpu->set_addrmap(AS_PROGRAM, &lc80_state::lc80_mem); - m_maincpu->set_addrmap(AS_IO, &lc80_state::lc80_io); - - /* video hardware */ - config.set_default_layout(layout_lc80); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.25); - - /* devices */ - z80ctc_device& ctc(Z80CTC(config, Z80CTC_TAG, 900000)); - ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - ctc.zc_callback<0>().set(FUNC(lc80_state::ctc_z0_w)); - ctc.zc_callback<1>().set(FUNC(lc80_state::ctc_z1_w)); - ctc.zc_callback<2>().set(FUNC(lc80_state::ctc_z2_w)); - - z80pio_device& pio1(Z80PIO(config, Z80PIO1_TAG, 900000)); - pio1.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - pio1.out_pa_callback().set(FUNC(lc80_state::pio1_pa_w)); - pio1.in_pb_callback().set(FUNC(lc80_state::pio1_pb_r)); - pio1.out_pb_callback().set(FUNC(lc80_state::pio1_pb_w)); - - Z80PIO(config, m_pio2, 900000); - m_pio2->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - m_pio2->in_pb_callback().set(FUNC(lc80_state::pio2_pb_r)); - - CASSETTE(config, m_cassette); - m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED); - - RAM(config, RAM_TAG).set_default_size("1K").set_extra_options("2K,3K,4K"); -} - -void lc80_state::lc80_2(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, 1800000); /* UD880D */ - m_maincpu->set_addrmap(AS_PROGRAM, &lc80_state::lc80_mem); - m_maincpu->set_addrmap(AS_IO, &lc80_state::lc80_io); - - /* video hardware */ - config.set_default_layout(layout_lc80); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.25); - - /* devices */ - z80ctc_device& ctc(Z80CTC(config, Z80CTC_TAG, 900000)); - ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - ctc.zc_callback<0>().set(FUNC(lc80_state::ctc_z0_w)); - ctc.zc_callback<1>().set(FUNC(lc80_state::ctc_z1_w)); - ctc.zc_callback<2>().set(FUNC(lc80_state::ctc_z2_w)); - - z80pio_device& pio1(Z80PIO(config, Z80PIO1_TAG, 900000)); - pio1.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - pio1.out_pa_callback().set(FUNC(lc80_state::pio1_pa_w)); - pio1.in_pb_callback().set(FUNC(lc80_state::pio1_pb_r)); - pio1.out_pb_callback().set(FUNC(lc80_state::pio1_pb_w)); - - Z80PIO(config, m_pio2, 900000); - m_pio2->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - m_pio2->in_pb_callback().set(FUNC(lc80_state::pio2_pb_r)); - - CASSETTE(config, m_cassette); - m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED); - - /* internal ram */ - RAM(config, RAM_TAG).set_default_size("4K"); -} - -#if 0 -void lc80_state::sc80(machine_config &config) -{ - lc80_2(config); - - /* basic machine hardware */ - m_maincpu->set_addrmap(AS_PROGRAM, &lc80_state::sc80_mem); -} -#endif - -/* ROMs */ - -ROM_START( lc80 ) - ROM_REGION( 0x10000, Z80_TAG, 0 ) - ROM_SYSTEM_BIOS( 0, "u505", "LC 80 (2x U505)" ) - ROMX_LOAD( "lc80.d202", 0x0000, 0x0400, CRC(e754ef53) SHA1(044440b13e62addbc3f6a77369cfd16f99b39752), ROM_BIOS(0) ) - ROMX_LOAD( "lc80.d203", 0x0800, 0x0400, CRC(2b544da1) SHA1(3a6cbd0c57c38eadb7055dca4b396c348567d1d5), ROM_BIOS(0) ) - ROM_SYSTEM_BIOS( 1, "2716", "LC 80 (2716)" ) - ROMX_LOAD( "lc80_2716.bin", 0x0000, 0x0800, CRC(b3025934) SHA1(6fff953f0f1eee829fd774366313ab7e8053468c), ROM_BIOS(1)) -ROM_END - -ROM_START( lc80_2 ) - ROM_REGION( 0x10000, Z80_TAG, 0 ) - ROM_LOAD( "lc80_2.bin", 0x0000, 0x1000, CRC(2e06d768) SHA1(d9cddaf847831e4ab21854c0f895348b7fda20b8) ) -ROM_END - -ROM_START( sc80 ) - ROM_REGION( 0x10000, Z80_TAG, 0 ) - ROM_LOAD( "lc80e-0000-schach.rom", 0x0000, 0x1000, CRC(e3cca61d) SHA1(f2be3f2a9d3780d59657e49b3abeffb0fc13db89) ) - ROM_LOAD( "lc80e-1000-schach.rom", 0x1000, 0x1000, CRC(b0323160) SHA1(0ea019b0944736ae5b842bf9aa3537300f259b98) ) - ROM_LOAD( "lc80e-c000-schach.rom", 0xc000, 0x1000, CRC(9c858d9c) SHA1(2f7b3fd046c965185606253f6cd9372da289ca6f) ) -ROM_END - -/* System Drivers */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1984, lc80, 0, 0, lc80, lc80, lc80_state, empty_init, "VEB Mikroelektronik", "Lerncomputer LC 80", MACHINE_SUPPORTS_SAVE ) -COMP( 1984, lc80_2, lc80, 0, lc80_2, lc80, lc80_state, empty_init, "VEB Mikroelektronik", "Lerncomputer LC 80.2", MACHINE_SUPPORTS_SAVE ) -COMP( 1984, sc80, lc80, 0, lc80_2, lc80, lc80_state, empty_init, "VEB Mikroelektronik", "Schachcomputer SC-80", MACHINE_SUPPORTS_SAVE ) |