void SoundFx::play() {
_curPos = 0;
_curOrder = 0;
_ticks = 0;
setInterruptFreqUnscaled(_delay);
startPaula();
}
void Rjp1::startSong(int song) {
if (song == 0 || song >= _vars.subsongsCount) {
warning("Invalid subsong number %d, defaulting to 1", song);
song = 1;
}
const uint8 *p = _vars.songData[2] + (song & 0x3F) * 4;
for (int i = 0; i < 4; ++i) {
uint8 seq = *p++;
if (seq) {
startSequence(i, seq);
}
}
// "start" Paula audiostream
startPaula();
}
bool Infogrames::load(Common::SeekableReadStream &dum) {
int subSong = 0;
int i;
uint32 size;
size = dum.size();
if (size < 20)
return false;
_data = new uint8[size];
dum.seek(0);
dum.read(_data, size);
Common::MemoryReadStream dataStr(_data, size);
dataStr.seek(subSong * 2);
dataStr.seek(dataStr.readUint16BE());
_subSong = _data + dataStr.pos();
if (_subSong > (_data + size))
return false;
_speedCounter = dataStr.readUint16BE();
_speed = _speedCounter;
_volSlideBlocks = _subSong + dataStr.readUint16BE();
_periodSlideBlocks = _subSong + dataStr.readUint16BE();
for (i = 0; i < 4; i++) {
_chn[i].cmdBlockIndices = _subSong + dataStr.readUint16BE();
_chn[i].flags = 0x81;
}
_cmdBlocks = _data + dataStr.pos() + 2;
if ((_volSlideBlocks > (_data + size)) ||
(_periodSlideBlocks > (_data + size)) ||
(_chn[0].cmdBlockIndices > (_data + size)) ||
(_chn[1].cmdBlockIndices > (_data + size)) ||
(_chn[2].cmdBlockIndices > (_data + size)) ||
(_chn[3].cmdBlockIndices > (_data + size)) ||
(_cmdBlocks > (_data + size)))
return false;
startPaula();
return true;
}
