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
|
// license:BSD-3-Clause
// copyright-holders:Zsolt Vasvari
/*
* Depth Charge audio routines
*/
#include "emu.h"
#include "includes/vicdual.h"
/* output port 0x01 definitions - sound effect drive outputs */
#define OUT_PORT_1_LONGEXPL 0x01
#define OUT_PORT_1_SHRTEXPL 0x02
#define OUT_PORT_1_SPRAY 0x04
#define OUT_PORT_1_SONAR 0x08
#define PLAY(samp,id,loop) samp->start( id, id, loop )
#define STOP(samp,id) samp->stop( id )
/* sample file names */
static const char *const depthch_sample_names[] =
{
"*depthch",
"longex",
"shortex",
"spray",
"sonar",
nullptr
};
MACHINE_CONFIG_FRAGMENT( depthch_audio )
MCFG_SOUND_ADD("samples", SAMPLES, 0)
MCFG_SAMPLES_CHANNELS(4)
MCFG_SAMPLES_NAMES(depthch_sample_names)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5)
MACHINE_CONFIG_END
/* sample IDs - must match sample file name table above */
enum
{
SND_LONGEXPL = 0,
SND_SHRTEXPL,
SND_SPRAY,
SND_SONAR
};
WRITE8_MEMBER( vicdual_state::depthch_audio_w )
{
static int port1State = 0;
int bitsChanged;
int bitsGoneHigh;
int bitsGoneLow;
bitsChanged = port1State ^ data;
bitsGoneHigh = bitsChanged & data;
bitsGoneLow = bitsChanged & ~data;
port1State = data;
if ( bitsGoneHigh & OUT_PORT_1_LONGEXPL )
{
PLAY( m_samples, SND_LONGEXPL, 0 );
}
if ( bitsGoneHigh & OUT_PORT_1_SHRTEXPL )
{
PLAY( m_samples, SND_SHRTEXPL, 0 );
}
if ( bitsGoneHigh & OUT_PORT_1_SPRAY )
{
PLAY( m_samples, SND_SPRAY, 0 );
}
if ( bitsGoneHigh & OUT_PORT_1_SONAR )
{
PLAY( m_samples, SND_SONAR, 1 );
}
if ( bitsGoneLow & OUT_PORT_1_SONAR )
{
STOP( m_samples, SND_SONAR );
}
}
|