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Diffstat (limited to 'src/devices/bus/rs232/rs232.c')
-rw-r--r--src/devices/bus/rs232/rs232.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/src/devices/bus/rs232/rs232.c b/src/devices/bus/rs232/rs232.c
new file mode 100644
index 00000000000..acc1af5dea3
--- /dev/null
+++ b/src/devices/bus/rs232/rs232.c
@@ -0,0 +1,113 @@
+// license:BSD-3-Clause
+// copyright-holders:smf
+#include "rs232.h"
+
+const device_type RS232_PORT = &device_creator<rs232_port_device>;
+
+rs232_port_device::rs232_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, RS232_PORT, "RS232 Port", tag, owner, clock, "rs232", __FILE__),
+ device_slot_interface(mconfig, *this),
+ m_rxd_handler(*this),
+ m_dcd_handler(*this),
+ m_dsr_handler(*this),
+ m_ri_handler(*this),
+ m_cts_handler(*this),
+ m_dev(NULL)
+{
+}
+
+rs232_port_device::rs232_port_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
+ : device_t(mconfig, type, name, tag, owner, clock, shortname, source),
+ device_slot_interface(mconfig, *this),
+ m_rxd_handler(*this),
+ m_dcd_handler(*this),
+ m_dsr_handler(*this),
+ m_ri_handler(*this),
+ m_cts_handler(*this),
+ m_dev(NULL)
+{
+}
+
+rs232_port_device::~rs232_port_device()
+{
+}
+
+void rs232_port_device::device_config_complete()
+{
+ m_dev = dynamic_cast<device_rs232_port_interface *>(get_card_device());
+}
+
+void rs232_port_device::device_start()
+{
+ m_rxd_handler.resolve_safe();
+ m_dcd_handler.resolve_safe();
+ m_dsr_handler.resolve_safe();
+ m_ri_handler.resolve_safe();
+ m_cts_handler.resolve_safe();
+
+ save_item(NAME(m_rxd));
+ save_item(NAME(m_dcd));
+ save_item(NAME(m_dsr));
+ save_item(NAME(m_ri));
+ save_item(NAME(m_cts));
+
+ m_rxd = 1;
+ m_dcd = 1;
+ m_dsr = 1;
+ m_ri = 1;
+ m_cts = 1;
+
+ m_rxd_handler(1);
+ m_dcd_handler(1);
+ m_dsr_handler(1);
+ m_ri_handler(1);
+ m_cts_handler(1);
+}
+
+WRITE_LINE_MEMBER( rs232_port_device::write_txd )
+{
+ if(m_dev)
+ m_dev->input_txd(state);
+}
+
+WRITE_LINE_MEMBER( rs232_port_device::write_dtr )
+{
+ if(m_dev)
+ m_dev->input_dtr(state);
+}
+
+WRITE_LINE_MEMBER( rs232_port_device::write_rts )
+{
+ if(m_dev)
+ m_dev->input_rts(state);
+}
+
+WRITE_LINE_MEMBER( rs232_port_device::write_etc )
+{
+ if(m_dev)
+ m_dev->input_etc(state);
+}
+
+device_rs232_port_interface::device_rs232_port_interface(const machine_config &mconfig, device_t &device)
+ : device_slot_card_interface(mconfig, device)
+{
+ m_port = dynamic_cast<rs232_port_device *>(device.owner());
+}
+
+device_rs232_port_interface::~device_rs232_port_interface()
+{
+}
+
+#include "keyboard.h"
+#include "loopback.h"
+#include "null_modem.h"
+#include "printer.h"
+#include "terminal.h"
+
+SLOT_INTERFACE_START( default_rs232_devices )
+ SLOT_INTERFACE("keyboard", SERIAL_KEYBOARD)
+ SLOT_INTERFACE("loopback", RS232_LOOPBACK)
+ SLOT_INTERFACE("null_modem", NULL_MODEM)
+ SLOT_INTERFACE("printer", SERIAL_PRINTER)
+ SLOT_INTERFACE("terminal", SERIAL_TERMINAL)
+SLOT_INTERFACE_END