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Diffstat (limited to 'src/mess/drivers/xor100.c')
-rw-r--r--src/mess/drivers/xor100.c599
1 files changed, 0 insertions, 599 deletions
diff --git a/src/mess/drivers/xor100.c b/src/mess/drivers/xor100.c
deleted file mode 100644
index 8c2e544c544..00000000000
--- a/src/mess/drivers/xor100.c
+++ /dev/null
@@ -1,599 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Curt Coder
-/****************************************************************************************************
-
- XOR S-100-12
-
-*****************************************************************************************************
-
- All input must be in upper case.
- Summary of Monitor commands:
-
- D xxxx yyyy = dump memory to screen
- F xxxx yyyy zz = fill memory from xxxx to yyyy-1 with zz
- G xxxx = execute program at xxxx
- H xxxx yyyy aa bb... = Search memory for a string of bytes
- L xxxx = edit memory (. to exit)
- M xxxx yyyy zzzz = Move (copy) memory
- V xxxx = Ascii dump of memory to the screen (cr to continue, space to exit)
- X n = Select a bank (0 works, others freeze)
-
- Note some of the commands are a bit buggy, eg F doesn't fill the last byte
-
-*****************************************************************************************************/
-
-/*
-
- TODO:
-
- - cannot boot from floppy (at prompt press ^C, wait, it says 'Drive not ready')
- - honor jumper settings
- - CTC signal header
- - serial printer
- - cassette? (no mention of it in the manuals)
-
-*/
-
-
-#include "includes/xor100.h"
-#include "bus/rs232/rs232.h"
-
-/* Read/Write Handlers */
-
-enum
-{
- EPROM_0000 = 0,
- EPROM_F800,
- EPROM_OFF
-};
-
-void xor100_state::bankswitch()
-{
- address_space &program = m_maincpu->space(AS_PROGRAM);
- int banks = m_ram->size() / 0x10000;
-
- switch (m_mode)
- {
- case EPROM_0000:
- if (m_bank < banks)
- {
- program.install_write_bank(0x0000, 0xffff, "bank1");
- membank("bank1")->set_entry(1 + m_bank);
- }
- else
- {
- program.unmap_write(0x0000, 0xffff);
- }
-
- program.install_read_bank(0x0000, 0xf7ff, 0x07ff, 0, "bank2");
- program.install_read_bank(0xf800, 0xffff, "bank3");
- membank("bank2")->set_entry(0);
- membank("bank3")->set_entry(0);
- break;
-
- case EPROM_F800:
- if (m_bank < banks)
- {
- program.install_write_bank(0x0000, 0xffff, "bank1");
- program.install_read_bank(0x0000, 0xf7ff, "bank2");
- membank("bank1")->set_entry(1 + m_bank);
- membank("bank2")->set_entry(1 + m_bank);
- }
- else
- {
- program.unmap_write(0x0000, 0xffff);
- program.unmap_read(0x0000, 0xf7ff);
- }
-
- program.install_read_bank(0xf800, 0xffff, "bank3");
- membank("bank3")->set_entry(0);
- break;
-
- case EPROM_OFF:
- if (m_bank < banks)
- {
- program.install_write_bank(0x0000, 0xffff, "bank1");
- program.install_read_bank(0x0000, 0xf7ff, "bank2");
- program.install_read_bank(0xf800, 0xffff, "bank3");
- membank("bank1")->set_entry(1 + m_bank);
- membank("bank2")->set_entry(1 + m_bank);
- membank("bank3")->set_entry(1 + m_bank);
- }
- else
- {
- program.unmap_write(0x0000, 0xffff);
- program.unmap_read(0x0000, 0xf7ff);
- program.unmap_read(0xf800, 0xffff);
- }
- break;
- }
-}
-
-WRITE8_MEMBER( xor100_state::mmu_w )
-{
- /*
-
- bit description
-
- 0 A16
- 1 A17
- 2 A18
- 3 A19
- 4
- 5
- 6
- 7
-
- */
-
- m_bank = data & 0x07;
-
- bankswitch();
-}
-
-WRITE8_MEMBER( xor100_state::prom_toggle_w )
-{
- switch (m_mode)
- {
- case EPROM_OFF: m_mode = EPROM_F800; break;
- case EPROM_F800: m_mode = EPROM_OFF; break;
- }
-
- bankswitch();
-}
-
-READ8_MEMBER( xor100_state::prom_disable_r )
-{
- m_mode = EPROM_F800;
-
- bankswitch();
-
- return 0xff;
-}
-
-WRITE8_MEMBER( xor100_state::baud_w )
-{
- m_dbrg->str_w(data & 0x0f);
- m_dbrg->stt_w(data >> 4);
-}
-
-READ8_MEMBER( xor100_state::fdc_r )
-{
- return m_fdc->gen_r(offset) ^ 0xff;
-}
-
-WRITE8_MEMBER( xor100_state::fdc_w )
-{
- m_fdc->gen_w(offset, data ^ 0xff);
-}
-
-READ8_MEMBER( xor100_state::fdc_wait_r )
-{
- /*
-
- bit description
-
- 0
- 1
- 2
- 3
- 4
- 5
- 6
- 7 FDC IRQ
-
- */
-
- if (!space.debugger_access())
- {
- if (!m_fdc_irq && !m_fdc_drq)
- {
- fatalerror("Z80 WAIT not supported by MAME core\n");
- m_maincpu->set_input_line(Z80_INPUT_LINE_WAIT, ASSERT_LINE);
- }
- }
-
- return !m_fdc_irq << 7;
-}
-
-WRITE8_MEMBER( xor100_state::fdc_dcont_w )
-{
- /*
-
- bit description
-
- 0 DS0
- 1 DS1
- 2 DS2
- 3 DS3
- 4
- 5
- 6
- 7 _HLSTB
-
- */
-
- // drive select
- floppy_image_device *floppy = NULL;
-
- if (BIT(data, 0)) floppy = m_floppy0->get_device();
- if (BIT(data, 1)) floppy = m_floppy1->get_device();
- if (BIT(data, 2)) floppy = m_floppy2->get_device();
- if (BIT(data, 3)) floppy = m_floppy3->get_device();
-
- m_fdc->set_floppy(floppy);
-
- if (floppy) floppy->mon_w(0);
-}
-
-WRITE8_MEMBER( xor100_state::fdc_dsel_w )
-{
- /*
-
- bit description
-
- 0 J
- 1 K
- 2
- 3
- 4
- 5
- 6
- 7
-
- */
-
- switch (data & 0x03)
- {
- case 0: break;
- case 1: m_fdc_dden = 1; break;
- case 2: m_fdc_dden = 0; break;
- case 3: m_fdc_dden = !m_fdc_dden; break;
- }
-
- m_fdc->dden_w(m_fdc_dden);
-}
-
-/* Memory Maps */
-
-static ADDRESS_MAP_START( xor100_mem, AS_PROGRAM, 8, xor100_state )
- AM_RANGE(0x0000, 0xffff) AM_WRITE_BANK("bank1")
- AM_RANGE(0x0000, 0xf7ff) AM_READ_BANK("bank2")
- AM_RANGE(0xf800, 0xffff) AM_READ_BANK("bank3")
-ADDRESS_MAP_END
-
-static ADDRESS_MAP_START( xor100_io, AS_IO, 8, xor100_state )
- ADDRESS_MAP_GLOBAL_MASK(0xff)
- AM_RANGE(0x00, 0x00) AM_DEVREADWRITE(I8251_A_TAG, i8251_device, data_r, data_w)
- AM_RANGE(0x01, 0x01) AM_DEVREADWRITE(I8251_A_TAG, i8251_device, status_r, control_w)
- AM_RANGE(0x02, 0x02) AM_DEVREADWRITE(I8251_B_TAG, i8251_device, data_r, data_w)
- AM_RANGE(0x03, 0x03) AM_DEVREADWRITE(I8251_B_TAG, i8251_device, status_r, control_w)
- AM_RANGE(0x04, 0x07) AM_DEVREADWRITE(I8255A_TAG, i8255_device, read, write)
- AM_RANGE(0x08, 0x08) AM_WRITE(mmu_w)
- AM_RANGE(0x09, 0x09) AM_WRITE(prom_toggle_w)
- AM_RANGE(0x0a, 0x0a) AM_READ(prom_disable_r)
- AM_RANGE(0x0b, 0x0b) AM_READ_PORT("DSW0") AM_WRITE(baud_w)
- AM_RANGE(0x0c, 0x0f) AM_DEVREADWRITE(Z80CTC_TAG, z80ctc_device, read, write)
- AM_RANGE(0xf8, 0xfb) AM_READWRITE(fdc_r, fdc_w)
- AM_RANGE(0xfc, 0xfc) AM_READWRITE(fdc_wait_r, fdc_dcont_w)
- AM_RANGE(0xfd, 0xfd) AM_WRITE(fdc_dsel_w)
-ADDRESS_MAP_END
-
-/* Input Ports */
-
-static INPUT_PORTS_START( xor100 )
-
- PORT_START("DSW0")
- PORT_DIPNAME( 0x0f, 0x05, "Serial Port A" )
- PORT_DIPSETTING( 0x00, "50 baud" )
- PORT_DIPSETTING( 0x01, "75 baud" )
- PORT_DIPSETTING( 0x02, "110 baud" )
- PORT_DIPSETTING( 0x03, "134.5 baud" )
- PORT_DIPSETTING( 0x04, "150 baud" )
- PORT_DIPSETTING( 0x05, "300 baud" )
- PORT_DIPSETTING( 0x06, "600 baud" )
- PORT_DIPSETTING( 0x07, "1200 baud" )
- PORT_DIPSETTING( 0x08, "1800 baud" )
- PORT_DIPSETTING( 0x09, "2000 baud" )
- PORT_DIPSETTING( 0x0a, "2400 baud" )
- PORT_DIPSETTING( 0x0b, "3600 baud" )
- PORT_DIPSETTING( 0x0c, "4800 baud" )
- PORT_DIPSETTING( 0x0d, "7200 baud" )
- PORT_DIPSETTING( 0x0e, "9600 baud" )
- PORT_DIPSETTING( 0x0f, "19200 baud" )
- PORT_DIPNAME( 0xf0, 0xe0, "Serial Port B" )
- PORT_DIPSETTING( 0x00, "50 baud" )
- PORT_DIPSETTING( 0x10, "75 baud" )
- PORT_DIPSETTING( 0x20, "110 baud" )
- PORT_DIPSETTING( 0x30, "134.5 baud" )
- PORT_DIPSETTING( 0x40, "150 baud" )
- PORT_DIPSETTING( 0x50, "300 baud" )
- PORT_DIPSETTING( 0x60, "600 baud" )
- PORT_DIPSETTING( 0x70, "1200 baud" )
- PORT_DIPSETTING( 0x80, "1800 baud" )
- PORT_DIPSETTING( 0x90, "2000 baud" )
- PORT_DIPSETTING( 0xa0, "2400 baud" )
- PORT_DIPSETTING( 0xb0, "3600 baud" )
- PORT_DIPSETTING( 0xc0, "4800 baud" )
- PORT_DIPSETTING( 0xd0, "7200 baud" )
- PORT_DIPSETTING( 0xe0, "9600 baud" )
- PORT_DIPSETTING( 0xf0, "19200 baud" )
-
- PORT_START("J1")
- PORT_CONFNAME( 0x01, 0x01, "J1 Wait State")
- PORT_CONFSETTING( 0x00, "No Wait States" )
- PORT_CONFSETTING( 0x01, "1 M1 Wait State" )
-
- PORT_START("J2")
- PORT_CONFNAME( 0x01, 0x01, "J2 CPU Speed")
- PORT_CONFSETTING( 0x00, "2 MHz" )
- PORT_CONFSETTING( 0x01, "4 MHz" )
-
- PORT_START("J3")
- PORT_CONFNAME( 0x01, 0x00, "J3")
- PORT_CONFSETTING( 0x00, "" )
- PORT_CONFSETTING( 0x01, "" )
-
- PORT_START("J4-J5")
- PORT_CONFNAME( 0x01, 0x01, "J4/J5 EPROM Type")
- PORT_CONFSETTING( 0x00, "2708" )
- PORT_CONFSETTING( 0x01, "2716" )
-
- PORT_START("J6")
- PORT_CONFNAME( 0x01, 0x01, "J6 EPROM")
- PORT_CONFSETTING( 0x00, "Disabled" )
- PORT_CONFSETTING( 0x01, "Enabled" )
-
- PORT_START("J7")
- PORT_CONFNAME( 0x01, 0x00, "J7 I/O Port Addresses")
- PORT_CONFSETTING( 0x00, "00-0F" )
- PORT_CONFSETTING( 0x01, "10-1F" )
-
- PORT_START("J8")
- PORT_CONFNAME( 0x01, 0x00, "J8")
- PORT_CONFSETTING( 0x00, "" )
- PORT_CONFSETTING( 0x01, "" )
-
- PORT_START("J9")
- PORT_CONFNAME( 0x01, 0x01, "J9 Power On RAM")
- PORT_CONFSETTING( 0x00, "Enabled" )
- PORT_CONFSETTING( 0x01, "Disabled" )
-INPUT_PORTS_END
-
-/* COM5016 Interface */
-
-WRITE_LINE_MEMBER( xor100_state::com5016_fr_w )
-{
- m_uart_a->write_txc(state);
- m_uart_a->write_rxc(state);
-}
-
-WRITE_LINE_MEMBER( xor100_state::com5016_ft_w )
-{
- m_uart_b->write_txc(state);
- m_uart_b->write_rxc(state);
-}
-
-/* Printer 8255A Interface */
-
-WRITE_LINE_MEMBER( xor100_state::write_centronics_busy )
-{
- m_centronics_busy = state;
-}
-
-WRITE_LINE_MEMBER( xor100_state::write_centronics_select )
-{
- m_centronics_select = state;
-}
-
-READ8_MEMBER(xor100_state::i8255_pc_r)
-{
- /*
-
- bit description
-
- PC0
- PC1
- PC2
- PC3
- PC4 ON LINE
- PC5 BUSY
- PC6 _ACK
- PC7
-
- */
-
- UINT8 data = 0;
-
- /* on line */
- data |= m_centronics_select << 4;
-
- /* busy */
- data |= m_centronics_busy << 5;
-
- return data;
-}
-
-/* Z80-CTC Interface */
-
-WRITE_LINE_MEMBER( xor100_state::ctc_z0_w )
-{
-}
-
-WRITE_LINE_MEMBER( xor100_state::ctc_z1_w )
-{
-}
-
-WRITE_LINE_MEMBER( xor100_state::ctc_z2_w )
-{
-}
-
-/* WD1795-02 Interface */
-
-static SLOT_INTERFACE_START( xor100_floppies )
- SLOT_INTERFACE( "8ssdd", FLOPPY_8_SSDD ) // Shugart SA-100
-SLOT_INTERFACE_END
-
-void xor100_state::fdc_intrq_w(bool state)
-{
- m_fdc_irq = state;
- m_ctc->trg0(state);
-
- if (state)
- {
- fatalerror("Z80 WAIT not supported by MAME core\n");
- m_maincpu->set_input_line(Z80_INPUT_LINE_WAIT, ASSERT_LINE);
- }
-}
-
-void xor100_state::fdc_drq_w(bool state)
-{
- m_fdc_drq = state;
-
- if (state)
- {
- fatalerror("Z80 WAIT not supported by MAME core\n");
- m_maincpu->set_input_line(Z80_INPUT_LINE_WAIT, ASSERT_LINE);
- }
-}
-
-
-static DEVICE_INPUT_DEFAULTS_START( terminal )
- DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_9600 )
- DEVICE_INPUT_DEFAULTS( "RS232_RXBAUD", 0xff, RS232_BAUD_9600 )
- DEVICE_INPUT_DEFAULTS( "RS232_STARTBITS", 0xff, RS232_STARTBITS_1 )
- DEVICE_INPUT_DEFAULTS( "RS232_DATABITS", 0xff, RS232_DATABITS_8 )
- DEVICE_INPUT_DEFAULTS( "RS232_PARITY", 0xff, RS232_PARITY_NONE )
- DEVICE_INPUT_DEFAULTS( "RS232_STOPBITS", 0xff, RS232_STOPBITS_1 )
-DEVICE_INPUT_DEFAULTS_END
-
-static SLOT_INTERFACE_START( xor100_s100_cards )
-SLOT_INTERFACE_END
-
-/* Machine Initialization */
-
-void xor100_state::machine_start()
-{
- int banks = m_ram->size() / 0x10000;
- UINT8 *ram = m_ram->pointer();
- UINT8 *rom = m_rom->base();
-
- /* setup memory banking */
- membank("bank1")->configure_entries(1, banks, ram, 0x10000);
- membank("bank2")->configure_entry(0, rom);
- membank("bank2")->configure_entries(1, banks, ram, 0x10000);
- membank("bank3")->configure_entry(0, rom);
- membank("bank3")->configure_entries(1, banks, ram + 0xf800, 0x10000);
-
- machine().save().register_postload(save_prepost_delegate(FUNC(xor100_state::post_load), this));
-
- /* register for state saving */
- save_item(NAME(m_mode));
- save_item(NAME(m_bank));
- save_item(NAME(m_fdc_irq));
- save_item(NAME(m_fdc_drq));
- save_item(NAME(m_fdc_dden));
- save_item(NAME(m_centronics_busy));
- save_item(NAME(m_centronics_select));
-}
-
-void xor100_state::machine_reset()
-{
- m_mode = EPROM_0000;
-
- bankswitch();
-}
-
-void xor100_state::post_load()
-{
- bankswitch();
-}
-
-/* Machine Driver */
-
-static MACHINE_CONFIG_START( xor100, xor100_state )
- /* basic machine hardware */
- MCFG_CPU_ADD(Z80_TAG, Z80, XTAL_8MHz/2)
- MCFG_CPU_PROGRAM_MAP(xor100_mem)
- MCFG_CPU_IO_MAP(xor100_io)
-
- /* devices */
- MCFG_DEVICE_ADD(I8251_A_TAG, I8251, 0/*XTAL_8MHz/2,*/)
- MCFG_I8251_TXD_HANDLER(DEVWRITELINE(RS232_A_TAG, rs232_port_device, write_txd))
- MCFG_I8251_DTR_HANDLER(DEVWRITELINE(RS232_A_TAG, rs232_port_device, write_dtr))
- MCFG_I8251_RTS_HANDLER(DEVWRITELINE(RS232_A_TAG, rs232_port_device, write_rts))
-
- MCFG_RS232_PORT_ADD(RS232_A_TAG, default_rs232_devices, NULL)
- MCFG_RS232_RXD_HANDLER(DEVWRITELINE(I8251_A_TAG, i8251_device, write_rxd))
- MCFG_RS232_DSR_HANDLER(DEVWRITELINE(I8251_A_TAG, i8251_device, write_dsr))
-
- MCFG_DEVICE_ADD(I8251_B_TAG, I8251, 0/*XTAL_8MHz/2,*/)
- MCFG_I8251_TXD_HANDLER(DEVWRITELINE(RS232_B_TAG, rs232_port_device, write_txd))
- MCFG_I8251_DTR_HANDLER(DEVWRITELINE(RS232_B_TAG, rs232_port_device, write_dtr))
- MCFG_I8251_RTS_HANDLER(DEVWRITELINE(RS232_B_TAG, rs232_port_device, write_rts))
-
- MCFG_RS232_PORT_ADD(RS232_B_TAG, default_rs232_devices, "terminal")
- MCFG_RS232_RXD_HANDLER(DEVWRITELINE(I8251_B_TAG, i8251_device, write_rxd))
- MCFG_RS232_DSR_HANDLER(DEVWRITELINE(I8251_B_TAG, i8251_device, write_dsr))
- MCFG_DEVICE_CARD_DEVICE_INPUT_DEFAULTS("terminal", terminal)
-
- MCFG_DEVICE_ADD(COM5016_TAG, COM8116, XTAL_5_0688MHz)
- MCFG_COM8116_FR_HANDLER(WRITELINE(xor100_state, com5016_fr_w))
- MCFG_COM8116_FT_HANDLER(WRITELINE(xor100_state, com5016_ft_w))
-
- MCFG_DEVICE_ADD(I8255A_TAG, I8255A, 0)
- MCFG_I8255_OUT_PORTA_CB(DEVWRITE8("cent_data_out", output_latch_device, write))
- MCFG_I8255_OUT_PORTB_CB(DEVWRITELINE(CENTRONICS_TAG, centronics_device, write_strobe))
- MCFG_I8255_IN_PORTC_CB(READ8(xor100_state, i8255_pc_r))
-
- MCFG_DEVICE_ADD(Z80CTC_TAG, Z80CTC, XTAL_8MHz/2)
- MCFG_Z80CTC_INTR_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0))
- MCFG_Z80CTC_ZC0_CB(WRITELINE(xor100_state, ctc_z0_w))
- MCFG_Z80CTC_ZC1_CB(WRITELINE(xor100_state, ctc_z1_w))
- MCFG_Z80CTC_ZC2_CB(WRITELINE(xor100_state, ctc_z2_w))
-
- MCFG_FD1795_ADD(WD1795_TAG, XTAL_8MHz/4)
- MCFG_FLOPPY_DRIVE_ADD(WD1795_TAG":0", xor100_floppies, "8ssdd", floppy_image_device::default_floppy_formats)
- MCFG_FLOPPY_DRIVE_ADD(WD1795_TAG":1", xor100_floppies, "8ssdd", floppy_image_device::default_floppy_formats)
- MCFG_FLOPPY_DRIVE_ADD(WD1795_TAG":2", xor100_floppies, NULL, floppy_image_device::default_floppy_formats)
- MCFG_FLOPPY_DRIVE_ADD(WD1795_TAG":3", xor100_floppies, NULL, floppy_image_device::default_floppy_formats)
-
- MCFG_CENTRONICS_ADD(CENTRONICS_TAG, centronics_devices, "printer")
- MCFG_CENTRONICS_ACK_HANDLER(DEVWRITELINE(I8255A_TAG, i8255_device, pc4_w))
- MCFG_CENTRONICS_BUSY_HANDLER(WRITELINE(xor100_state, write_centronics_busy))
- MCFG_CENTRONICS_SELECT_HANDLER(WRITELINE(xor100_state, write_centronics_select))
-
- MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics")
-
- // S-100
- MCFG_S100_BUS_ADD()
- MCFG_S100_RDY_CALLBACK(INPUTLINE(Z80_TAG, Z80_INPUT_LINE_WAIT))
- MCFG_S100_SLOT_ADD("s100_1", xor100_s100_cards, NULL)
- MCFG_S100_SLOT_ADD("s100_2", xor100_s100_cards, NULL)
- MCFG_S100_SLOT_ADD("s100_3", xor100_s100_cards, NULL)
- MCFG_S100_SLOT_ADD("s100_4", xor100_s100_cards, NULL)
- MCFG_S100_SLOT_ADD("s100_5", xor100_s100_cards, NULL)
- MCFG_S100_SLOT_ADD("s100_6", xor100_s100_cards, NULL)
- MCFG_S100_SLOT_ADD("s100_7", xor100_s100_cards, NULL)
- MCFG_S100_SLOT_ADD("s100_8", xor100_s100_cards, NULL)
- MCFG_S100_SLOT_ADD("s100_9", xor100_s100_cards, NULL)
- MCFG_S100_SLOT_ADD("s100_10", xor100_s100_cards, NULL)
-
- /* internal ram */
- MCFG_RAM_ADD(RAM_TAG)
- MCFG_RAM_DEFAULT_SIZE("64K")
- MCFG_RAM_EXTRA_OPTIONS("128K,192K,256K,320K,384K,448K,512K")
-MACHINE_CONFIG_END
-
-/* ROMs */
-
-ROM_START( xor100 )
- ROM_REGION( 0x800, Z80_TAG, 0 )
- ROM_SYSTEM_BIOS( 0, "v185", "v1.85" )
- ROMX_LOAD( "xp 185.8b", 0x000, 0x800, CRC(0d0bda8d) SHA1(11c83f7cd7e6a570641b44a2f2cc5737a7dd8ae3), ROM_BIOS(1) )
-ROM_END
-
-/* System Drivers */
-
-/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
-COMP( 1980, xor100, 0, 0, xor100, xor100, driver_device, 0, "Xor Data Science", "XOR S-100-12", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW)