Thank you for replying. This at least gives me something to work on. I will try both the core dynamic/normal and look for the settings in the windows installation. Thank you.

I could not find a forum for aDOSBox, the android port of DOSBox. I emailed the author of the android port twice with no response so I hope someone here might help me. As a test, I installed regular DOSBox on my Windows 7 PC, mounted the dos program's folder as D:, cd'd to it and ran the DOS program …