prefetchBits method
Implementation
int prefetchBits() {
var b2 = 0;
if (bitPos < 32) {
b2 = (_buffer[0] >> bitPos) +
((_buffer[1] & BIT_MASK[bitPos]) * (BIT_MASK[32 - bitPos] + 1));
} else if (bitPos == 32) {
b2 = _buffer[1];
} else {
b2 = _buffer[1] >> (bitPos - 32);
}
return b2;
}