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DOSBox-X Git (2025/12/20) is a development of DOSBox that emulates an Intel x86 PC, facilitating the use of old MS-DOS games on modern systems like Windows and Linux. The recent changelog highlights improvements, including stopping rendering to prevent segfaults, ensuring accurate aspect ratios, fixing mode matching issues, and adjustments to the VESA panning function and video debug overlay. Additionally, it corrects the handling of low-resolution modes to better respect user settings. The update aims to enhance overall compatibility and performance for users running legacy software.
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DOSBox-X Git (2025/12/20) has been compiled. DOSBox-x is a variant of DOSBox. DOSBox emulates an Intel x86 PC, providing sound, graphics, mouse, joystick, modem, etc., which are essential for playing many classic MS-DOS games that cannot be executed on contemporary PCs and operating systems like Microsoft Windows XP, Windows Vista, Linux, and FreeBSD.
DOSBox-X Changelog:
* Rendering will halt if the video mode exceeds the limits of the render scaler system, preventing segfaults.
* additional updates
* DOSBox IG: Resolutions of 640×400 and lower will always maintain a 4:3 aspect ratio; do not mistakenly classify 640×350 as 16:9.
* correction: dosboxig.bytes_per_scanline is in bytes, while the VESA scanline function requires pixels.
* Resolved an issue where double INT10 mode matching would correctly set mode 0x10D, but then switch CurMode to align with mode 0x75, which was misleading and could crash VBETEST.
* DOSBox IG: VESA panning should not reset hscale/vscale.
* Fixed a bug in the video debug overlay that did not correctly handle 200-line VGA modes when the user disabled doublescan mode.
* Even the DOSBox IG low-resolution modes should now adhere to the user’s doublescan preference.
* Low-res modes in DOSBox IG should implement vertical doublescan, ensuring vscale accurately adjusts how the video is rendered for doublescan functionality.
* Corrected the video debug overlay for DOSBox IG SVGA modes.
* TODO
