_LineIndex
std::swap(fScreen[_LineIndex(i)],
fScreen[_LineIndex(i + numLines)]);
int32 lineToDrop = _LineIndex(i - numLines);
int32 lineToKeep = _LineIndex(i);
int32 lineToKeep = _LineIndex(i);
int32 lineToDrop = _LineIndex(i + numLines);
: fScreen[_LineIndex(i)];
return fScreen[_LineIndex(index)];
inline int32 _LineIndex(int32 index) const;