Here's a video showing the drop in performance. Note the frame rate at the top right. Warning: the file's about 38 megabytes: https://we.tl/t-cMyAGEF5eg The irony isn't lost on me that I'm using a third party recording tool to show the loss of frames while using DOSBox's internal recording. I need …

Thanks Konc. I couldn't find exactly the option when right-clicking. Is it maybe a Windows 8 or 10 feature? I'm on Windows 7 64-bit. Regardless, this might be useless, but I took three separate screenshots. The one on the far left is while 'idle', the one in the middle is while DOSBox is open and …

DOSBox is single-threaded, and with heavy games like Build Engine at higher resolutions the speed tends to suffer when you add the load of video capture. Thanks Ripsaw. That's helped me make sense of what might be going on here. I'm still going through your links. By latest version of DOSBox do you …

Good day, I am a longtime supporter of DOSBox and what you guys are doing. I hope you can assist me in a sticky problem that I've been fighting with for quite some time. I am using the latest version of DOSBox and am attempting to record footage of video games in action using the Alt+Ctrl+F5 command …