via http://www.emucr.com/

psxact Git (2014/10/01) is compiled. psxact is a Cycle accurate PS1 emulator written in C++.

psxact Git Changelog:
* fix a potential divide by zero exception. if point1 and point2 are equal, both dx and dy will be 0. in that event, we'll just render a single pixel and leave.
fix a copy/paste error in util. woops

https://www.sendspace.com/file/bvr93t