1: It is not
ac3fsp
It is FreeTSP RC3
2: FreeTSP RC3 is not the latest source.
And has not been for quite some time.
If anyone wants a mod for the code.
All they have to do is go to the main forum
http://www.freetsp.info/
And see if it is there, if not put in a request for it.
Or if they wish, they could put a request of the mod in this Forum
We are not mind readers, and cannot see what people want.
Quite simple really.