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DOSBox-X Git (2025/12/19) is an updated version of DOSBox, which emulates an Intel x86 PC suitable for running old MS-DOS games on modern systems. The latest changelog highlights improvements in the display aspect ratio, including corrections for VESA BIOS modes and custom ratios. It introduces features for controlling aspect ratios and enhancements to video debugging overlays. Additionally, it addresses issues with planar modes and improves the representation of VGA memory for external drivers. This update continues to facilitate the use of vintage games that are incompatible with current operating systems.
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DOSBox-X Git (2025/12/19) has been compiled. DOSBox-x is a variant of DOSBox. DOSBox emulates an Intel x86 PC, complete with sound, graphics, mouse, joystick, modem, etc.—essential for running 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:
* DOSBox IG: Now, simply utilize the width-to-height ratio. The VESA BIOS modes are intended to display either 4:3 or 16:9 images. For custom ratios, create your own driver (for now).
* DOSBox IG: For 4:3, include the uncommon S3 modes in the modelist.
* DOSBox IG: The 320×200 VESA BIOS modes must be adjusted to 4:3.
* DOSBox IG: The video debug overlay shows the aspect ratio.
* DOSBox IG: Introduce a method to manage the display aspect ratio for specific modes, allowing guest drivers to control it as well.
* DOSBox IG: Latch HPEL like VGA does to prevent tear lines in 1bpp/4bpp/planar.
* Display HPEL.
* Actually, the DOSBox IG interface for planar modes should represent bytes. External drivers should not have to assume how DOSBox-X internally represents planar VGA memory.
* Add/fix DOSBoxIG hpel.
* Incorporate 16-color VGA planar into the special DOSBox IG supported modes.
