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
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2001/2002 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#if defined(__MORPHOS__)
#include <exec/memory.h>
#include <exec/types.h>
#include <devices/etude.h>
#include <clib/alib_protos.h>
#include <proto/exec.h>
#include <proto/dos.h>
#include <proto/etude.h>
#include "stdafx.h"
#include "sound/mpu401.h"
#include "common/engine.h" // For warning/error/debug
#include "morphos.h"
#include "morphos_sound.h"
/*
* MorphOS MIDI driver for Etude device
*/
class MidiDriver_ETUDE : public MidiDriver_MPU401 {
public:
MidiDriver_ETUDE();
int open();
void close();
void send(uint32 b);
private:
bool _isOpen;
};
MidiDriver_ETUDE::MidiDriver_ETUDE()
{
_isOpen = false;
}
int MidiDriver_ETUDE::open()
{
if (_isOpen)
return MERR_ALREADY_OPEN;
_isOpen = true;
if (!init_morphos_music(0, ETUDEF_DIRECT))
return MERR_DEVICE_NOT_AVAILABLE;
return 0;
}
void MidiDriver_ETUDE::close()
{
exit_morphos_music();
_isOpen = false;
}
void MidiDriver_ETUDE::send(uint32 b)
{
if (_isOpen)
error("MidiDriver_ETUDE::send called but driver was no opened");
if (ScummMidiRequest) {
ULONG midi_data = READ_LE_UINT32(&b);
SendShortMidiMsg(ScummMidiRequest, midi_data);
}
}
extern MidiDriver* EtudeMidiDriver;
MidiDriver *MidiDriver_ETUDE_create()
{
if (!EtudeMidiDriver)
EtudeMidiDriver = new MidiDriver_ETUDE();
return EtudeMidiDriver;
}
int MidiDriver_MPU401::midi_driver_thread(void *param)
{
MidiDriver_MPU401 *mid = (MidiDriver_MPU401 *)param;
int old_time, cur_time;
MsgPort *music_timer_port = NULL;
timerequest *music_timer_request = NULL;
ObtainSemaphore(&ScummMusicThreadRunning);
if (!OSystem_MorphOS::OpenATimer(&music_timer_port, (IORequest **) &music_timer_request, UNIT_MICROHZ, false)) {
warning("Could not open a timer - music will not play");
Wait(SIGBREAKF_CTRL_C);
}
else {
old_time = g_system->get_msecs();
for (;;) {
music_timer_request->tr_node.io_Command = TR_ADDREQUEST;
music_timer_request->tr_time.tv_secs = 0;
music_timer_request->tr_time.tv_micro = 10000;
DoIO((struct IORequest *)music_timer_request);
if (CheckSignal(SIGBREAKF_CTRL_C))
break;
cur_time = g_system->get_msecs();
while (old_time < cur_time) {
old_time += 10;
if (mid->_timer_proc)
(*(mid->_timer_proc)) (mid->_timer_param);
}
}
}
ReleaseSemaphore(&ScummMusicThreadRunning);
RemTask(NULL);
return 0;
}
#endif
|