paraMSX is a Windows port of fMSX. and It is based on fMSX v2.1 (Z80, I/O, etc)
fMSX is MSX emulator written by Marat Fayzullin, that can be found at http://www.komkon.org/fms/fMSX/

paraMSX is still under development.
Please, read included ReadMe file, before running paraMSX ;)