thank uIt's an OO descendant of Turbo Pascal
http://www.engin.umd.umich.edu/CIS/course.des/cis400/delphi/delphi.html
I have no idea if it can do bit fidling, but I bet it doesn't run under modern versions of Windows. Looks like you need a DOS machine or maybe up to Windows 95. After that I think all bets are off.
yeahWill Delphi let you set and read individual output lines in the printer port? If so, it should be no problem.