1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
// license:BSD-3-Clause
// copyright-holders:Sergey Svishchev
#include "emu.h"
#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, tag, owner, clock)
, 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);
}
DEFINE_DEVICE_TYPE(SERIAL_TERMINAL_IE15, ie15_terminal_device, "ie15_terminal", "IE15 Terminal")
|