Half baked pipe dream questions - hardware and os

[madscijr]

I'm no Java expert - it is interpreted, that's true, but slowness would depend on a few things - i including the hardware it's running on, what your program is doing, etc. I wouldn't know anything about how to make the Pi board compatible with DosBox - it's possible someone out there has made Pi device drivers for DosBox or maybe not, you'd just have to ask around?