void msdos_shutdown_sound(void)
{
if (Machine->sample_rate != 0)
{
int chip,n;
for(chip=0;chip<num_used_opl;chip++)
{
/* silence the OPL */
for (n = 0x40;n <= 0x55;n++)
{
osd_opl_control(chip,n);
osd_opl_write(chip,0x3f);
}
for (n = 0x60;n <= 0x95;n++)
{
osd_opl_control(chip,n);
osd_opl_write(chip,0xff);
}
for (n = 0xa0;n <= 0xb0;n++)
{
osd_opl_control(chip,n);
osd_opl_write(chip,0);
}
}
#ifdef USE_SEAL
ACloseVoices();
ACloseAudio();
#endif
}
}
void msdos_shutdown_sound(void)
{
if (seal_sample_rate != 0)
{
int n;
/* stop and release voices */
for (n = 0; n < NUMVOICES; n++)
{
AStopVoice(hVoice[n]);
ADestroyAudioVoice(hVoice[n]);
if (lpWave[n])
{
ADestroyAudioData(lpWave[n]);
free(lpWave[n]);
lpWave[n] = 0;
}
}
ACloseVoices();
ACloseAudio();
}
}
int main(void)
{
AUDIOINFO info;
LPAUDIOMODULE lpModule;
LPAUDIOWAVE lpWave;
HAC hVoice;
BOOL stopped;
/* initialize audio library */
AInitialize();
/* open audio device */
info.nDeviceId = AUDIO_DEVICE_MAPPER;
info.wFormat = AUDIO_FORMAT_16BITS | AUDIO_FORMAT_STEREO;
info.nSampleRate = 44100;
AOpenAudio(&info);
/* load module and waveform file */
ALoadModuleFile("test.s3m", &lpModule, 0);
ALoadWaveFile("test.wav", &lpWave, 0);
/* open voices for module and waveform */
AOpenVoices(lpModule->nTracks + 1);
/* play the module file */
APlayModule(lpModule);
ASetModuleVolume(64);
/* play the waveform through a voice */
ACreateAudioVoice(&hVoice);
APlayVoice(hVoice, lpWave);
ASetVoiceVolume(hVoice, 48);
ASetVoicePanning(hVoice, 128);
/* program main execution loop */
printf("Playing module and waveform, press any key to stop.\n");
while (!kbhit()) {
/* update audio system */
AUpdateAudio();
/* restart waveform if stopped */
AGetVoiceStatus(hVoice, &stopped);
if (stopped) APlayVoice(hVoice, lpWave);
/* check if the module is stopped */
AGetModuleStatus(&stopped);
if (stopped) break;
}
/* stop playing the waveform */
AStopVoice(hVoice);
ADestroyAudioVoice(hVoice);
/* stop playing the module */
AStopModule();
ACloseVoices();
/* release the waveform & module */
AFreeWaveFile(lpWave);
AFreeModuleFile(lpModule);
/* close audio device */
ACloseAudio();
return 0;
}
int main(void)
{
AUDIOINFO info;
LPAUDIOWAVE lpWave;
HAC hVoice[NUMVOICES];
BOOL stopped;
UINT n, m;
/* initialize audio library */
AInitialize();
/* open audio device */
info.nDeviceId = AUDIO_DEVICE_MAPPER;
info.wFormat = AUDIO_FORMAT_16BITS | AUDIO_FORMAT_STEREO;
info.nSampleRate = 44100;
AOpenAudio(&info);
/* load waveform file */
ALoadWaveFile("test.wav", &lpWave, 0);
/* open and allocate voices */
AOpenVoices(NUMVOICES);
for (n = 0; n < NUMVOICES; n++) {
ACreateAudioVoice(&hVoice[n]);
ASetVoiceVolume(hVoice[n], 64);
ASetVoicePanning(hVoice[n], n & 1 ? 0 : 255);
}
/* program main execution loop */
printf("Playing waveform, press any key to stop.\n");
for (n = m = 0; !kbhit() && n < 48 - 7; n++) {
/* play chord C-E-G */
APlayVoice(hVoice[m+0], lpWave);
APlayVoice(hVoice[m+1], lpWave);
APlayVoice(hVoice[m+2], lpWave);
ASetVoiceFrequency(hVoice[m+0], FREQ(aPeriodTable[n+0]));
ASetVoiceFrequency(hVoice[m+1], FREQ(aPeriodTable[n+4]));
ASetVoiceFrequency(hVoice[m+2], FREQ(aPeriodTable[n+7]));
m = (m + 3) % NUMVOICES;
/* wait until note finishes */
do {
/* update audio system */
AUpdateAudio();
AGetVoiceStatus(hVoice[0], &stopped);
} while (!stopped);
}
/* stop and release voices */
for (n = 0; n < NUMVOICES; n++) {
AStopVoice(hVoice[n]);
ADestroyAudioVoice(hVoice[n]);
}
ACloseVoices();
/* release the waveform file */
AFreeWaveFile(lpWave);
/* close audio device */
ACloseAudio();
return 0;
}
