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author | 2015-11-08 12:56:12 +0100 | |
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committer | 2015-11-08 12:56:12 +0100 | |
commit | 7c19aac60e12d6f5ea301bdb34d7826a01e0b06f (patch) | |
tree | f310d86aa2c6bfc19d115307dedde4eb0cd52dad /src/devices/bus/isa/ide.cpp | |
parent | a57b46ae933badd7441ce1644711dbb851e2b504 (diff) |
Rename *.c -> *.cpp in our source (nw)
Diffstat (limited to 'src/devices/bus/isa/ide.cpp')
-rw-r--r-- | src/devices/bus/isa/ide.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/devices/bus/isa/ide.cpp b/src/devices/bus/isa/ide.cpp new file mode 100644 index 00000000000..9215572bb19 --- /dev/null +++ b/src/devices/bus/isa/ide.cpp @@ -0,0 +1,120 @@ +// 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", NULL, 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<isa16_ide_device>; + +//------------------------------------------------- +// 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); + } +} |