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// license:BSD-3-Clause
// copyright-holders:smf
#include "emu.h"
#include "keyboard.h"
namespace {
INPUT_PORTS_START(serial_keyboard)
PORT_INCLUDE(generic_keyboard)
PORT_RS232_BAUD("RS232_TXBAUD", RS232_BAUD_9600, "TX Baud", serial_keyboard_device, update_serial)
PORT_RS232_DATABITS("RS232_DATABITS", RS232_DATABITS_8, "Data Bits", serial_keyboard_device, update_serial)
PORT_RS232_PARITY("RS232_PARITY", RS232_PARITY_NONE, "Parity", serial_keyboard_device, update_serial)
PORT_RS232_STOPBITS("RS232_STOPBITS", RS232_STOPBITS_1, "Stop Bits", serial_keyboard_device, update_serial)
INPUT_PORTS_END
} // anonymous namespace
serial_keyboard_device::serial_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock)
: serial_keyboard_device(mconfig, SERIAL_KEYBOARD, tag, owner, clock)
{
}
serial_keyboard_device::serial_keyboard_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock)
: generic_keyboard_device(mconfig, type, tag, owner, clock)
, device_buffered_serial_interface(mconfig, *this)
, device_rs232_port_interface(mconfig, *this)
, m_rs232_txbaud(*this, "RS232_TXBAUD")
, m_rs232_databits(*this, "RS232_DATABITS")
, m_rs232_parity(*this, "RS232_PARITY")
, m_rs232_stopbits(*this, "RS232_STOPBITS")
{
}
ioport_constructor serial_keyboard_device::device_input_ports() const
{
return INPUT_PORTS_NAME(serial_keyboard);
}
WRITE_LINE_MEMBER( serial_keyboard_device::input_txd )
{
device_buffered_serial_interface::rx_w(state);
}
WRITE_LINE_MEMBER( serial_keyboard_device::update_serial )
{
reset();
}
void serial_keyboard_device::device_reset()
{
generic_keyboard_device::device_reset();
clear_fifo();
int const startbits = 1;
int const databits = convert_databits(m_rs232_databits->read());
parity_t const parity = convert_parity(m_rs232_parity->read());
stop_bits_t const stopbits = convert_stopbits(m_rs232_stopbits->read());
set_data_frame(startbits, databits, parity, stopbits);
int const txbaud = convert_baud(m_rs232_txbaud->read());
set_tra_rate(txbaud);
output_rxd(1);
// TODO: make this configurable
output_dcd(0);
output_dsr(0);
output_cts(0);
receive_register_reset();
transmit_register_reset();
}
void serial_keyboard_device::tra_callback()
{
output_rxd(transmit_register_get_data_bit());
}
void serial_keyboard_device::send_key(uint8_t code)
{
transmit_byte(code);
}
void serial_keyboard_device::received_byte(uint8_t byte)
{
}
DEFINE_DEVICE_TYPE(SERIAL_KEYBOARD, serial_keyboard_device, "serial_keyboard", "Serial Keyboard")
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