it's zest of FoxB to send all rookies to vusb-based solutions, some kind of sarcasm or something likewise
and this really mean to download half-working source code of old Chingachguk emulator and study it hard and code, code, code, code and code, then debug, debug, debug, debug and debug, and then and code, code, code, code and code, and then you get yours emulator
in other words there is no free solutions