Jey Akira, I totally agree....DOS was best. I found one in a cd I burned...Actually I am not sure it is the DOS version, because as far as I see, you can't use command line. DOS, I admit, is much more stable than Windoze.
I posted it on the ADF zone. You never told me Akira, did you ever like the PC Engine?
Here is the best console emu site i know, since they have an archive of almost every emu ever!!!
Thats the roms for TG-16
You should easily find the emu archives from there