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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
// license:MAME
// copyright-holders:smf
/*
scsidev.c
Base class for SCSI devices.
*/
#include "machine/scsibus.h"
#include "machine/scsidev.h"
#define LOG ( 0 )
scsidev_device::scsidev_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) :
device_t(mconfig, type, name, tag, owner, clock, shortname, source)
{
}
void scsidev_device::device_start()
{
data_out = 0;
}
void scsidev_device::scsi_out( UINT32 data, UINT32 mask )
{
#if LOG
printf( "%s scsi_out", tag() );
printf( " rst " );
if( ( mask & SCSI_MASK_RST ) != 0 )
{
printf( "%d", (int)( ( data & SCSI_MASK_RST ) != 0 ) );
}
else
{
printf( "-" );
}
printf( " atn " );
if( ( mask & SCSI_MASK_ATN ) != 0 )
{
printf( " %d", (int)( ( data & SCSI_MASK_ATN ) != 0 ) );
}
else
{
printf( "-" );
}
printf( " ack " );
if( ( mask & SCSI_MASK_ACK ) != 0 )
{
printf( "%d", (int)( ( data & SCSI_MASK_ACK ) != 0 ) );
}
else
{
printf( "-" );
}
printf( " req " );
if( ( mask & SCSI_MASK_REQ ) != 0 )
{
printf( "%d", (int)( ( data & SCSI_MASK_REQ ) != 0 ) );
}
else
{
printf( "-" );
}
printf( " msg " );
if( ( mask & SCSI_MASK_MSG ) != 0 )
{
printf( "%d", (int)( ( data & SCSI_MASK_MSG ) != 0 ) );
}
else
{
printf( "-" );
}
printf( " io " );
if( ( mask & SCSI_MASK_IO ) != 0 )
{
printf( "%d", (int)( ( data & SCSI_MASK_IO ) != 0 ) );
}
else
{
printf( "-" );
}
printf( " cd " );
if( ( mask & SCSI_MASK_CD ) != 0 )
{
printf( "%d", (int)( ( data & SCSI_MASK_CD ) != 0 ) );
}
else
{
printf( "-" );
}
printf( " sel " );
if( ( mask & SCSI_MASK_SEL ) != 0 )
{
printf( "%d", (int)( ( data & SCSI_MASK_SEL ) != 0 ) );
}
else
{
printf( "-" );
}
printf( " bsy " );
if( ( mask & SCSI_MASK_BSY ) != 0 )
{
printf( "%d", (int)( ( data & SCSI_MASK_BSY ) != 0 ) );
}
else
{
printf( "-" );
}
printf( " p " );
if( ( mask & SCSI_MASK_DATAP ) != 0 )
{
printf( "%d", (int)( ( data & SCSI_MASK_DATAP ) != 0 ) );
}
else
{
printf( "-" );
}
printf( " " );
if( ( mask & SCSI_MASK_DATAH ) != 0 )
{
printf( "%02x", ( data & SCSI_MASK_DATAH ) >> 8 );
}
else
{
printf( "--" );
}
if( ( mask & SCSI_MASK_DATA ) != 0 )
{
printf( "%02x", data & SCSI_MASK_DATA );
}
else
{
printf( "--" );
}
printf( "\n" );
#endif
data_out = ( data_out & ~mask ) | ( data & mask );
m_scsibus->scsi_update();
}
|