diff options
Diffstat (limited to 'src/mess/drivers/lc80.c')
-rw-r--r-- | src/mess/drivers/lc80.c | 441 |
1 files changed, 0 insertions, 441 deletions
diff --git a/src/mess/drivers/lc80.c b/src/mess/drivers/lc80.c deleted file mode 100644 index 046bd69af0e..00000000000 --- a/src/mess/drivers/lc80.c +++ /dev/null @@ -1,441 +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 "includes/lc80.h" -#include "lc80.lh" - -/* Memory Maps */ - -static ADDRESS_MAP_START( lc80_mem, AS_PROGRAM, 8, lc80_state ) - ADDRESS_MAP_GLOBAL_MASK(0x3fff) - AM_RANGE(0x0000, 0x07ff) AM_ROMBANK("bank1") - AM_RANGE(0x0800, 0x0fff) AM_ROMBANK("bank2") - AM_RANGE(0x1000, 0x17ff) AM_ROMBANK("bank3") - AM_RANGE(0x2000, 0x23ff) AM_RAM - AM_RANGE(0x2400, 0x2fff) AM_RAMBANK("bank4") -ADDRESS_MAP_END - -#if 0 -static ADDRESS_MAP_START( sc80_mem, AS_PROGRAM, 8, lc80_state ) - AM_IMPORT_FROM(lc80_mem) - AM_RANGE(0xc000, 0xcfff) AM_ROM -ADDRESS_MAP_END -#endif - -static ADDRESS_MAP_START( lc80_io, AS_IO, 8, lc80_state ) - ADDRESS_MAP_GLOBAL_MASK(0x1f) - AM_RANGE(0xf4, 0xf7) AM_DEVREADWRITE(Z80PIO1_TAG, z80pio_device, read, write) - AM_RANGE(0xf8, 0xfb) AM_DEVREADWRITE(Z80PIO2_TAG, z80pio_device, read, write) - AM_RANGE(0xec, 0xef) AM_DEVREADWRITE(Z80CTC_TAG, z80ctc_device, read, write) -ADDRESS_MAP_END - -/* 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() -{ - int i; - - for (i = 0; i < 6; i++) - { - if (!BIT(m_digit, i)) output_set_digit_value(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 = BITSWAP8(~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 */ - output_set_led_value(0, !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 data = 0xf0; - int i; - - for (i = 0; i < 6; i++) - { - if (!BIT(m_digit, i)) - { - if (!BIT(m_y0->read(), i)) data &= ~0x10; - if (!BIT(m_y1->read(), i)) data &= ~0x20; - if (!BIT(m_y2->read(), i)) data &= ~0x40; - if (!BIT(m_y3->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 }, - { NULL } -}; -#endif - -/* Machine Initialization */ - -void lc80_state::machine_start() -{ - address_space &program = m_maincpu->space(AS_PROGRAM); - - UINT8 *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; - } - - /* register for state saving */ - save_item(NAME(m_digit)); - save_item(NAME(m_segment)); -} - -/* Machine Driver */ - -static MACHINE_CONFIG_START( lc80, lc80_state ) - /* basic machine hardware */ - MCFG_CPU_ADD(Z80_TAG, Z80, 900000) /* UD880D */ - MCFG_CPU_PROGRAM_MAP(lc80_mem) - MCFG_CPU_IO_MAP(lc80_io) - - /* video hardware */ - MCFG_DEFAULT_LAYOUT( layout_lc80 ) - - /* sound hardware */ - MCFG_SPEAKER_STANDARD_MONO("mono") - MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) - - /* devices */ - MCFG_DEVICE_ADD(Z80CTC_TAG, Z80CTC, 900000) - MCFG_Z80CTC_INTR_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0)) - MCFG_Z80CTC_ZC0_CB(WRITELINE(lc80_state, ctc_z0_w)) - MCFG_Z80CTC_ZC1_CB(WRITELINE(lc80_state, ctc_z1_w)) - MCFG_Z80CTC_ZC2_CB(WRITELINE(lc80_state, ctc_z2_w)) - - MCFG_DEVICE_ADD(Z80PIO1_TAG, Z80PIO, 900000) - MCFG_Z80PIO_OUT_INT_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0)) - MCFG_Z80PIO_OUT_PA_CB(WRITE8(lc80_state, pio1_pa_w)) - MCFG_Z80PIO_IN_PB_CB(READ8(lc80_state, pio1_pb_r)) - MCFG_Z80PIO_OUT_PB_CB(WRITE8(lc80_state, pio1_pb_w)) - - MCFG_DEVICE_ADD(Z80PIO2_TAG, Z80PIO, 900000) - MCFG_Z80PIO_OUT_INT_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0)) - MCFG_Z80PIO_IN_PB_CB(READ8(lc80_state, pio2_pb_r)) - - MCFG_CASSETTE_ADD("cassette") - MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_MUTED) - - MCFG_RAM_ADD(RAM_TAG) - MCFG_RAM_DEFAULT_SIZE("1K") - MCFG_RAM_EXTRA_OPTIONS("2K,3K,4K") -MACHINE_CONFIG_END - -static MACHINE_CONFIG_START( lc80_2, lc80_state ) - /* basic machine hardware */ - MCFG_CPU_ADD(Z80_TAG, Z80, 1800000) /* UD880D */ - MCFG_CPU_PROGRAM_MAP(lc80_mem) - MCFG_CPU_IO_MAP(lc80_io) - - /* video hardware */ - MCFG_DEFAULT_LAYOUT( layout_lc80 ) - - /* sound hardware */ - MCFG_SPEAKER_STANDARD_MONO("mono") - MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) - - /* devices */ - MCFG_DEVICE_ADD(Z80CTC_TAG, Z80CTC, 900000) - MCFG_Z80CTC_INTR_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0)) - MCFG_Z80CTC_ZC0_CB(WRITELINE(lc80_state, ctc_z0_w)) - MCFG_Z80CTC_ZC1_CB(WRITELINE(lc80_state, ctc_z1_w)) - MCFG_Z80CTC_ZC2_CB(WRITELINE(lc80_state, ctc_z2_w)) - - MCFG_DEVICE_ADD(Z80PIO1_TAG, Z80PIO, 900000) - MCFG_Z80PIO_OUT_INT_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0)) - MCFG_Z80PIO_OUT_PA_CB(WRITE8(lc80_state, pio1_pa_w)) - MCFG_Z80PIO_IN_PB_CB(READ8(lc80_state, pio1_pb_r)) - MCFG_Z80PIO_OUT_PB_CB(WRITE8(lc80_state, pio1_pb_w)) - - MCFG_DEVICE_ADD(Z80PIO2_TAG, Z80PIO, 900000) - MCFG_Z80PIO_OUT_INT_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0)) - MCFG_Z80PIO_IN_PB_CB(READ8(lc80_state, pio2_pb_r)) - - MCFG_CASSETTE_ADD("cassette") - MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_MUTED) - - /* internal ram */ - MCFG_RAM_ADD(RAM_TAG) - MCFG_RAM_DEFAULT_SIZE("4K") -MACHINE_CONFIG_END - -#if 0 -static MACHINE_CONFIG_DERIVED( sc80, lc80_2 ) - - /* basic machine hardware */ - MCFG_CPU_MODIFY(Z80_TAG) - MCFG_CPU_PROGRAM_MAP(sc80_mem) -MACHINE_CONFIG_END -#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(1) ) - ROMX_LOAD( "lc80.d203", 0x0800, 0x0400, CRC(2b544da1) SHA1(3a6cbd0c57c38eadb7055dca4b396c348567d1d5), ROM_BIOS(1) ) - ROM_SYSTEM_BIOS( 1, "2716", "LC 80 (2716)" ) - ROMX_LOAD( "lc80_2716.bin", 0x0000, 0x0800, CRC(b3025934) SHA1(6fff953f0f1eee829fd774366313ab7e8053468c), ROM_BIOS(2)) -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 INIT COMPANY FULLNAME FLAGS */ -COMP( 1984, lc80, 0, 0, lc80, lc80, driver_device, 0, "VEB Mikroelektronik", "Lerncomputer LC 80", MACHINE_SUPPORTS_SAVE ) -COMP( 1984, lc80_2, lc80, 0, lc80_2, lc80, driver_device, 0, "VEB Mikroelektronik", "Lerncomputer LC 80.2", MACHINE_SUPPORTS_SAVE ) -COMP( 1984, sc80, lc80, 0, lc80_2, lc80, driver_device, 0, "VEB Mikroelektronik", "Schachcomputer SC-80", MACHINE_SUPPORTS_SAVE ) |