On 9/3/18 8:35 AM, Al Kossow wrote: > > > On 9/3/18 8:17 AM, Mark Pizzolato wrote: > >> Was this code really present in ROM in that system? > > yes, it is located on one of the hex cards in the VT-11 part of > the custom 11/05 backplane in the GT-40 http://www.brouhaha.com/~eric/retrocomputing/dec/gt40/ for details