I don’t know if this would be any use, but I did see this Spectrum emulator that runs within XNA on the XB360
http://www.codeplex.com/zx360 Perhaps that may give somebody the start they need. (Personally I hope so!) Regards, Jason No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.484 / Virus Database: 269.13.2/983 - Release Date: 9/1/2007 4:20 PM