Get D-Fend, a front end for DosBox that allow you to set up a profile for each game, you can then try lots of different options in D-Fend to get it to work. D-Fend just let's you set up the options and then opens DosBox and sets it up for you. DosBox has lots of esoteric commands, D-Fend turns all that into ticking various boxes. Iw ouldn't dream of trying to run a game in DosBox without running it through D-Fend now!