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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on original Soltys source code
* Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon
*/
// ******************************************************
// * Sound Driver by Hedges (c) 1995 LK AVALON *
// * Ver 1.00: 01-Mar-95 *
// * Ver 1.10: 03-Mar-95 *
// * Ver 1.20: 07-Mar-95 *
// * Ver 1.30: 09-Mar-95 *
// * Ver 1.40: 11-Mar-95 *
// ******************************************************
#ifndef __CGE_SNDDRV__
#define __CGE_SNDDRV__
namespace CGE {
// ******************************************************
// * Constants *
// ******************************************************
// available devices
enum DEV_TYPE { DEV_AUTO = -1, // auto-detect mode
DEV_QUIET, // disable sound
DEV_SB, // sb/pro/16/awe32
DEV_GUS, // gus/max
DEV_GM // general midi
};
#define SERR_OK 0 // no error
#define SERR_INITFAIL 1 // couldn't initialize
#define SERR_BADDDEV 128 // bad device
// driver info
struct DrvInfo {
DEV_TYPE DDEV; // digi device
DEV_TYPE MDEV; // midi device
uint16 DBASE; // digi base port
uint16 DDMA; // digi dma no
uint16 DIRQ; // digi irq no
uint16 MBASE; // midi base port
union {
struct {
uint16 DR : 4;
uint16 DL : 4;
uint16 MR : 4;
uint16 ML : 4;
} VOL4;
struct {
uint8 D; // digi volume
uint8 M; // midi volume
} VOL2;
};
};
// sample info
struct SmpInfo {
uint8 *saddr; // address
uint16 slen; // length
uint16 span; // left/right pan (0-15)
int sflag; // flag
};
// ******************************************************
// * Data *
// ******************************************************
// driver info
extern DrvInfo SNDDrvInfo;
// midi player flag (1 means we are playing)
extern uint16 MIDIPlayFlag;
// midi song end flag (1 means we have crossed end mark)
extern uint16 MIDIEndFlag;
// ******************************************************
// * Driver Code *
// ******************************************************
// Init Digi Device
void SNDInit();
// Close Digi Device
void SNDDone();
// Set Volume
void SNDSetVolume();
// Start Digi
void SNDDigiStart(SmpInfo *PSmpInfo);
// Stop Digi
void SNDDigiStop(SmpInfo *PSmpInfo);
// Start MIDI File
void SNDMIDIStart(uint8 *MIDFile);
// Stop MIDI File
void SNDMIDIStop();
// Play MIDI File (to be called while interrupting)
// WARNING: Uses ALL registers!
void SNDMIDIPlay();
} // End of namespace CGE
#endif
|
