It would appear that Mr Roper's chip09 files may still be avaiulable from github: https://github.com/ebonhand09/Chip09 Regards, Bob Devries Dalby, QLD, Australia On 22/06/2014 5:35 PM, Ciaran Anscomb wrote: > David Roper did one. Unfortunately his site, boxofdoom.net, has been > down a while. ..ciaran