Next, you should set the Vsync option to either On or Forced.This should change the backend that DOSBox is using to D3D so our D3D shader can be applied. Opening the video menu and select Direct3D under the output submenu.This version of DOSBox has most of the commonly changed settings available to you in the GUI so for now, you can just open DOSBox and follow the instructions below. Thankfully, not all of it is done manually in the nf. There are a few steps that are required for the fix to actually work. Once the cause was known, the solution became much easier to find without having to resort to simply trial and error.Ĭhanging settings in DOSBox itselfNow it is time to open DOSBox. Previously, a solution could not be found because the precise cause had not been determined. At times it would climb to up to 40 FPS and then the overlay would work and then stop working once more as soon as it dropped back down. While playing Elder Scrolls Arena as my test game it would routinely say 1 FPS. This was verified by using the desktop UI overlay and steam FPS counter. This can cause the overlay to seem to stop responding or sometimes just crash. If the game is not updating the WHOLE frame then the overlay won't either as it relies upon the DOSBoxs pipeline to the GPU to display itself. The Steam overlay, which is required for proper Steam Controller usage, injects itself into the render pipeline of the game, in this case, DOSbox. Sometimes, as far as steam is concerned it is only getting one or less than one frame per second. The problem arises in how the steam overlay interacts with only partial updates. In this way, it is SUPER efficient and uses very little resources to actually do anything. What it does is only updates the parts of the screen that have made a change. Linux Flatpak and RPM packages have been released as well.The way DOSbox updates the frame is not typical for most apps or games. (An alternative Windows installer for the administrative install mode is available here) You can download the latest packages for your platform (Windows, Linux, macOS, or DOS) in the DOSBox-X homepage, which is available from:įor example, if you use Windows the installer is available from: Download Windows installer The release notes for DOSBox-X 0.83.14 (including the change history) is available from this page: This new version (0.83.14) brings many new features and other improvements compared with the previous version 0.83.13 released last month as usual, such as drive Z: directory support, changing current floppy or CD images when running guest systems, major improvements to multi-language support (including for example support for UTF-8 language files, Unicode menu text and Chinese/Japanese/Korean languages), and many more. You can find more examples of its unique features in the DOSBox‐X’s Feature Highlights page. It also tries to implement accurate emulations as possible to improve compatibility with DOS applications and also to help with new DOS developments.ĭOSBox-X is very feature-rich, and just to name a few of its unique features: support for GUI menu bar & configuration tool (optional), save and load state (up to 100 save slots and also save files), better compatibility with DOS applications and Win3.x/9x, many more DOS commands, Pentium MMX & Pro, printing (virtual or real printer), IDE emulations, long filename and FAT32 disk images (DOS 7+ features set ver=7.1), clipboard copy & paste, 3dfx Voodoo & Glide emulation, cue sheets with FLAC/MP3/OGG/Opus CD-DA tracks, FluidSynth and MT32, NE2000 networking, pixel-perfect scaling, TrueType font output, V-Sync, NEC PC-98, and many more. For example, for graphical mode it supports the pixel-perfect scaling (with "output=openglpp") for improved image quality, and for text-mode the TrueType font (TTF) output (with "output=ttf") make it very suitable for DOS applications also (see this Wiki page for more information about this unique feature). So apart from DOS games DOSBox-X officially supports DOS applications, DOS commands, Windows 3.x and 9x, NEC PC-98 system, and more. As a cross-platform DOS emulator it was originally based on DOSBox, but with the goal of being a complete DOS emulation package it goes beyond DOS gaming (unlike original DOSBox which is officially for DOS games only). The latest version of DOSBox-X (0.83.14) has been released.
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