Hi - sorry for the delay, real life has been killing me the last few weeks. :neutral: As suggested, I've gone back to my laptop and tried replacing the SDL DLLs that come with 0.63 (which was slow) with the ones that came with 0.61 (which was fast). The result - DOSBox 0.63 is now very, very much …

Hmmm... no! I kinda presumed they'd need the versions that they shipped with and wouldn't work if I started swapping and changing. I'll give that a go, though!

Hi - I took the time to register today so I'm no longer just 'guest'. :happy: Thanks for the suggestions, Qbix - I spent a couple of hours on Saturday playing around and came up with some interesting results. I reinstalled DOSBox 0.63 from scratch so I could begin again with default settings. Using …