diff options
Diffstat (limited to 'src/devices/bus/rs232/ie15.cpp')
-rw-r--r-- | src/devices/bus/rs232/ie15.cpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/devices/bus/rs232/ie15.cpp b/src/devices/bus/rs232/ie15.cpp new file mode 100644 index 00000000000..89cfa4d4fb9 --- /dev/null +++ b/src/devices/bus/rs232/ie15.cpp @@ -0,0 +1,90 @@ +// license:BSD-3-Clause +// copyright-holders:Sergey Svishchev + +#include "ie15.h" + +ie15_terminal_device::ie15_terminal_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : ie15_device(mconfig, SERIAL_TERMINAL_IE15, "IE15 Terminal", tag, owner, clock, "ie15_terminal", __FILE__) + , device_rs232_port_interface(mconfig, *this) + , m_rs232_txbaud(*this, "RS232_TXBAUD") + , m_rs232_rxbaud(*this, "RS232_RXBAUD") + , m_rs232_startbits(*this, "RS232_STARTBITS") + , m_rs232_databits(*this, "RS232_DATABITS") + , m_rs232_parity(*this, "RS232_PARITY") + , m_rs232_stopbits(*this, "RS232_STOPBITS") +{ +} + +static INPUT_PORTS_START(ie15_terminal) + PORT_INCLUDE(ie15) + + MCFG_RS232_BAUD("RS232_TXBAUD", RS232_BAUD_9600, "TX Baud", ie15_terminal_device, update_serial) + MCFG_RS232_BAUD("RS232_RXBAUD", RS232_BAUD_9600, "RX Baud", ie15_terminal_device, update_serial) + MCFG_RS232_STARTBITS("RS232_STARTBITS", RS232_STARTBITS_1, "Start Bits", ie15_terminal_device, update_serial) + MCFG_RS232_DATABITS("RS232_DATABITS", RS232_DATABITS_8, "Data Bits", ie15_terminal_device, update_serial) + MCFG_RS232_PARITY("RS232_PARITY", RS232_PARITY_NONE, "Parity", ie15_terminal_device, update_serial) + MCFG_RS232_STOPBITS("RS232_STOPBITS", RS232_STOPBITS_1, "Stop Bits", ie15_terminal_device, update_serial) +INPUT_PORTS_END + +ioport_constructor ie15_terminal_device::device_input_ports() const +{ + return INPUT_PORTS_NAME(ie15_terminal); +} + +WRITE_LINE_MEMBER(ie15_terminal_device::update_serial) +{ + int startbits = convert_startbits(m_rs232_startbits->read()); + int databits = convert_databits(m_rs232_databits->read()); + parity_t parity = convert_parity(m_rs232_parity->read()); + stop_bits_t stopbits = convert_stopbits(m_rs232_stopbits->read()); + + set_data_frame(startbits, databits, parity, stopbits); + + int txbaud = convert_baud(m_rs232_txbaud->read()); + set_tra_rate(txbaud); + + int rxbaud = convert_baud(m_rs232_rxbaud->read()); + set_rcv_rate(rxbaud); + + output_rxd(1); + + // TODO: make this configurable + output_dcd(0); + output_dsr(0); + output_cts(0); +} + +void ie15_terminal_device::tra_callback() +{ + output_rxd(transmit_register_get_data_bit()); +} + +void ie15_terminal_device::tra_complete() +{ + ie15_device::tra_complete(); +} + +void ie15_terminal_device::rcv_complete() +{ + receive_register_extract(); + term_write(get_received_char()); +} + +void ie15_terminal_device::device_start() +{ + ie15_device::device_start(); +} + +void ie15_terminal_device::device_reset() +{ + update_serial(0); + ie15_device::device_reset(); +} + +void ie15_terminal_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) +{ + ie15_device::device_timer(timer, id, param, ptr); +} + +const device_type SERIAL_TERMINAL_IE15 = &device_creator<ie15_terminal_device>; + |