blob: 433395cddc50453f7ecb5d917f4b098cf6e8f15c (
plain) (
blame)
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
|
/***************************************************************************
Z80 SIO (Z8440) implementation
Copyright Nicola Salmoria and the MAME Team.
Visit http://mamedev.org for licensing and usage restrictions.
***************************************************************************/
#ifndef __Z80SIO_H__
#define __Z80SIO_H__
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
typedef struct _z80sio_interface z80sio_interface;
struct _z80sio_interface
{
void (*irq_cb)(running_device *device, int state);
write8_device_func dtr_changed_cb;
write8_device_func rts_changed_cb;
write8_device_func break_changed_cb;
write8_device_func transmit_cb;
int (*receive_poll_cb)(running_device *device, int channel);
};
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define MDRV_Z80SIO_ADD(_tag, _clock, _intrf) \
MDRV_DEVICE_ADD(_tag, Z80SIO, _clock) \
MDRV_DEVICE_CONFIG(_intrf)
/***************************************************************************
CONTROL REGISTER READ/WRITE
***************************************************************************/
WRITE8_DEVICE_HANDLER( z80sio_c_w );
READ8_DEVICE_HANDLER( z80sio_c_r );
/***************************************************************************
DATA REGISTER READ/WRITE
***************************************************************************/
WRITE8_DEVICE_HANDLER( z80sio_d_w );
READ8_DEVICE_HANDLER( z80sio_d_r );
/***************************************************************************
CONTROL LINE READ/WRITE
***************************************************************************/
READ8_DEVICE_HANDLER( z80sio_get_dtr );
READ8_DEVICE_HANDLER( z80sio_get_rts );
WRITE8_DEVICE_HANDLER( z80sio_set_cts );
WRITE8_DEVICE_HANDLER( z80sio_set_dcd );
WRITE8_DEVICE_HANDLER( z80sio_receive_data );
/* ----- device interface ----- */
#define Z80SIO DEVICE_GET_INFO_NAME(z80sio)
DEVICE_GET_INFO( z80sio );
#endif
|