[nibnib]

Anything with critical timing that runs over a parallel port can be very tricky to get working in a VM. It means running a realtime OS on top of a non-realtime OS, with some abstraction layers added. A C64 is very deterministic in comparison.

[kevin_thibedeau]

I've had luck getting DOSEmu to interact with parallel port hardware. Don't know how well it would work on x64 though.