// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /*************************************************************************** ISA 16 bit IDE controller ***************************************************************************/ #include "emu.h" #include "ide.h" #include "machine/idectrl.h" #include "imagedev/harddriv.h" READ8_MEMBER(isa16_ide_device::ide16_alt_r ) { return m_ide->read_cs1(space, 6/2, 0xff); } WRITE8_MEMBER(isa16_ide_device::ide16_alt_w ) { m_ide->write_cs1(space, 6/2, data, 0xff); } DEVICE_ADDRESS_MAP_START(map, 16, isa16_ide_device) AM_RANGE(0x0, 0x7) AM_DEVREADWRITE("ide", ide_controller_device, read_cs0, write_cs0) ADDRESS_MAP_END DEVICE_ADDRESS_MAP_START(alt_map, 8, isa16_ide_device) AM_RANGE(0x6, 0x6) AM_READWRITE(ide16_alt_r, ide16_alt_w) ADDRESS_MAP_END WRITE_LINE_MEMBER(isa16_ide_device::ide_interrupt) { if (is_primary()) { m_isa->irq14_w(state); } else { m_isa->irq15_w(state); } } static MACHINE_CONFIG_FRAGMENT( ide ) MCFG_IDE_CONTROLLER_ADD("ide", ata_devices, "hdd", nullptr, false) MCFG_ATA_INTERFACE_IRQ_HANDLER(WRITELINE(isa16_ide_device, ide_interrupt)) MACHINE_CONFIG_END static INPUT_PORTS_START( ide ) PORT_START("DSW") PORT_DIPNAME( 0x01, 0x00, "IDE Configuration") PORT_DIPSETTING( 0x00, "Primary" ) PORT_DIPSETTING( 0x01, "Secondary" ) INPUT_PORTS_END //************************************************************************** // GLOBAL VARIABLES //************************************************************************** const device_type ISA16_IDE = &device_creator; //------------------------------------------------- // machine_config_additions - device-specific // machine configurations //------------------------------------------------- machine_config_constructor isa16_ide_device::device_mconfig_additions() const { return MACHINE_CONFIG_NAME( ide ); } //------------------------------------------------- // input_ports - device-specific input ports //------------------------------------------------- ioport_constructor isa16_ide_device::device_input_ports() const { return INPUT_PORTS_NAME( ide ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // isa16_ide_device - constructor //------------------------------------------------- isa16_ide_device::isa16_ide_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, ISA16_IDE, "IDE Fixed Drive Adapter", tag, owner, clock, "isa_ide", __FILE__), device_isa16_card_interface( mconfig, *this ), m_is_primary(true), m_ide(*this, "ide") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void isa16_ide_device::device_start() { set_isa_device(); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void isa16_ide_device::device_reset() { m_is_primary = (ioport("DSW")->read() & 1) ? false : true; if (m_is_primary) { m_isa->install_device(0x01f0, 0x01f7, *this, &isa16_ide_device::map, 16); m_isa->install_device(0x03f0, 0x03f7, *this, &isa16_ide_device::alt_map); } else { m_isa->install_device(0x0170, 0x0177, *this, &isa16_ide_device::map, 16); m_isa->install_device(0x0370, 0x0377, *this, &isa16_ide_device::alt_map); } }