MAME SVN History

199869 Revisions

r26705 Monday 23rd December, 2013 at 10:34:34 UTC by smf
replaced read rx callback in IM6402 with a write handler, which allows multiple chips to be connected together without using glue methods. [smf]

[src/emu/machine]	im6402.c im6402.h
[src/mess/drivers]	kyocera.c wangpc.c wicat.c

trunk/src/emu/machine/im6402.c
r26704	r26705
103	103	// or initialize to defaults if none provided
104	104	else
105	105	{
106		memset(&m_in_rri_cb, 0, sizeof(m_in_rri_cb));
107	106	memset(&m_out_tro_cb, 0, sizeof(m_out_tro_cb));
108	107	memset(&m_out_dr_cb, 0, sizeof(m_out_dr_cb));
109	108	memset(&m_out_tbre_cb, 0, sizeof(m_out_tbre_cb));
r26704	r26705
119	118	void im6402_device::device_start()
120	119	{
121	120	// resolve callbacks
122		m_in_rri_func.resolve(m_in_rri_cb, *this);
123	121	m_out_tro_func.resolve(m_out_tro_cb, *this);
124	122	m_out_dr_func.resolve(m_out_dr_cb, *this);
125	123	m_out_tbre_func.resolve(m_out_tbre_cb, *this);
r26704	r26705
224	222
225	223	void im6402_device::rcv_callback()
226	224	{
227		if (m_in_rri_func.isnull())
228		receive_register_update_bit(get_in_data_bit());
229		else
230		receive_register_update_bit(m_in_rri_func());
	225	receive_register_update_bit(get_in_data_bit());
231	226	}
232	227
233	228
r26704	r26705
443	438
444	439	m_epe = state;
445	440	}
	441
	442	WRITE_LINE_MEMBER(im6402_device::write_rx)
	443	{
	444	if (state)
	445	{
	446	input_callback(m_input_state \| RX);
	447	}
	448	else
	449	{
	450	input_callback(m_input_state & ~RX);
	451	}
	452	}

trunk/src/emu/machine/im6402.h
r26704	r26705
73	73	int m_rrc;
74	74	int m_trc;
75	75
76		devcb_read_line m_in_rri_cb;
77	76	devcb_write_line m_out_tro_cb;
78	77	devcb_write_line m_out_dr_cb;
79	78	devcb_write_line m_out_tbre_cb;
r26704	r26705
101	100	DECLARE_READ_LINE_MEMBER( fe_r ) { return m_fe; }
102	101	DECLARE_READ_LINE_MEMBER( oe_r ) { return m_oe; }
103	102
	103	DECLARE_WRITE_LINE_MEMBER( write_rx );
104	104	DECLARE_WRITE_LINE_MEMBER( rrc_w );
105	105	DECLARE_WRITE_LINE_MEMBER( trc_w );
106	106	DECLARE_WRITE_LINE_MEMBER( rrd_w );
r26704	r26705
133	133	inline void set_tbre(int state);
134	134	inline void set_tre(int state);
135	135
136		devcb_resolved_read_line m_in_rri_func;
137	136	devcb_resolved_write_line m_out_tro_func;
138	137	devcb_resolved_write_line m_out_dr_func;
139	138	devcb_resolved_write_line m_out_tbre_func;

trunk/src/mess/drivers/wangpc.c
r26704	r26705
943	943	0, // HACK should be 62500*16
944	944	62500*16,
945	945	DEVCB_NULL,
946		DEVCB_NULL,
947	946	DEVCB_DRIVER_LINE_MEMBER(wangpc_state, uart_dr_w),
948	947	DEVCB_DRIVER_LINE_MEMBER(wangpc_state, uart_tbre_w),
949	948	DEVCB_NULL

trunk/src/mess/drivers/kyocera.c
r26704	r26705
1177	1177	{
1178	1178	0,
1179	1179	0,
1180		DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, rx),
1181	1180	DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, tx),
1182	1181	DEVCB_NULL,
1183	1182	DEVCB_NULL,
r26704	r26705
1390	1389	MCFG_I8155_ADD(I8155_TAG, XTAL_4_9152MHz/2, kc85_8155_intf)
1391	1390	MCFG_UPD1990A_ADD(UPD1990A_TAG, XTAL_32_768kHz, NULL, INPUTLINE(I8085_TAG, I8085_RST75_LINE))
1392	1391	MCFG_IM6402_ADD(IM6402_TAG, uart_intf)
	1392
1393	1393	MCFG_RS232_PORT_ADD(RS232_TAG, default_rs232_devices, NULL)
	1394	MCFG_SERIAL_OUT_RX_HANDLER(DEVWRITELINE(IM6402_TAG, im6402_device, write_rx))
	1395
1394	1396	MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, standard_centronics)
1395	1397	MCFG_CASSETTE_ADD("cassette", kc85_cassette_interface)
1396	1398

199869 Revisions