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Diffstat (limited to 'src/devices/bus/isa/lpt.c')
-rw-r--r--src/devices/bus/isa/lpt.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/devices/bus/isa/lpt.c b/src/devices/bus/isa/lpt.c
new file mode 100644
index 00000000000..28219c8a988
--- /dev/null
+++ b/src/devices/bus/isa/lpt.c
@@ -0,0 +1,67 @@
+// license:BSD-3-Clause
+// copyright-holders:Miodrag Milanovic
+/***************************************************************************
+
+ IBM-PC printer interface
+
+***************************************************************************/
+
+#include "emu.h"
+#include "lpt.h"
+#include "machine/pc_lpt.h"
+
+const device_type ISA8_LPT = &device_creator<isa8_lpt_device>;
+
+isa8_lpt_device::isa8_lpt_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, ISA8_LPT, "Printer Adapter", tag, owner, clock, "isa_lpt", __FILE__),
+ device_isa8_card_interface(mconfig, *this)
+{
+}
+
+static MACHINE_CONFIG_FRAGMENT( lpt_config )
+ MCFG_DEVICE_ADD("lpt", PC_LPT, 0)
+ MCFG_PC_LPT_IRQ_HANDLER(WRITELINE(isa8_lpt_device, pc_cpu_line))
+MACHINE_CONFIG_END
+
+machine_config_constructor isa8_lpt_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( lpt_config );
+}
+
+static INPUT_PORTS_START( lpt_dsw )
+ PORT_START("DSW")
+ PORT_DIPNAME( 0x01, 0x00, "Base address")
+ PORT_DIPSETTING( 0x00, "0x378" )
+ PORT_DIPSETTING( 0x01, "0x278" )
+INPUT_PORTS_END
+
+ioport_constructor isa8_lpt_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME( lpt_dsw );
+}
+
+void isa8_lpt_device::device_start()
+{
+ set_isa_device();
+}
+
+void isa8_lpt_device::device_reset()
+{
+ m_is_primary = (ioport("DSW")->read() & 1) ? false : true;
+ if (m_is_primary)
+ {
+ m_isa->install_device(0x0378, 0x037b, 0, 0, read8_delegate(FUNC(pc_lpt_device::read), subdevice<pc_lpt_device>("lpt")), write8_delegate(FUNC(pc_lpt_device::write), subdevice<pc_lpt_device>("lpt")));
+ }
+ else
+ {
+ m_isa->install_device(0x0278, 0x027b, 0, 0, read8_delegate(FUNC(pc_lpt_device::read), subdevice<pc_lpt_device>("lpt")), write8_delegate(FUNC(pc_lpt_device::write), subdevice<pc_lpt_device>("lpt")));
+ }
+}
+
+WRITE_LINE_MEMBER(isa8_lpt_device::pc_cpu_line)
+{
+ if (is_primary())
+ m_isa->irq7_w(state);
+ else
+ m_isa->irq5_w(state);
+}