Thanks for reply. Sorry to be so slow on this. I don't find a link to attach a program file. Will you be trying to run the program? If so, I'll have to send a compiled and "bound" version that includes the TB op system, and a data source file for the program to work on. It gets pretty messy with the …

I am not a gamer. I have many (hundreds) of my own programs, written in True Basic for DOS environment. Currently running on Windows XP, but now I have to switch to Windows 10. Have done some DOSBOX trials, which "work" but with stammered hesitations. Sometimes 3-or-4 seconds, or hesitation, up to …