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Corrected MT-32 master volume SysEx

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svn-id: r10671
This commit is contained in:
Jamieson Christian 2003-10-07 15:13:39 +00:00
parent 537ee7166f
commit 69964cda56
1 changed files with 7 additions and 5 deletions
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12
sky/music/mt32music.cpp
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@ -62,12 +62,14 @@ void SkyMT32Music::timerCall(void) {
}
void SkyMT32Music::setVolume(uint8 volume) {
uint8 sysEx[6];
uint8 sysEx[10] = "\x41\x10\x16\x12\x10\x00\x16\x00\x00";
_musicVolume = volume;
sysEx[0] = 0x7F; sysEx[1] = 0x7F; sysEx[2] = 0x04; sysEx[3] = 0x01;
sysEx[4] = 0; sysEx[5] = volume & 0x7F;
_midiDrv->sysEx(sysEx, 6);
sysEx[7] = (volume > 100) ? 100 : volume;
sysEx[8] = 0x00;
for (uint8 cnt = 4; cnt < 8; cnt++)
sysEx[8] -= sysEx[cnt];
sysEx[8] &= 0x7F;
_midiDrv->sysEx(sysEx, 9);
}
void SkyMT32Music::setupPointers(void) {