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DOSBox-X Git (2026/05/22) is a compilation of DOSBox, designed to emulate Intel x86 PCs, facilitating the running of classic MS-DOS games on modern operating systems like Windows and Linux. The recent changelog highlights a fix addressing a bug that previously hindered OS/2 Warp from booting correctly, which involved correcting the emulation of 16-bit LDS/LES instructions. Additionally, a new boot option, -zeromem, allows for zeroing DOS memory before booting. Despite these adjustments, the OS/2 Warp kernel remains “unacceptable.” Users can download the latest version of DOSBox-X through the provided source link.
DOSBox-X Git (2026/05/22) has been compiled. DOSBox-x is a variant of DOSBox. DOSBox emulates an Intel x86 PC, providing sound, graphics, mouse, joystick, modem, and other features necessary for running many vintage MS-DOS games that cannot be played on modern PCs and operating systems like Microsoft Windows XP, Windows Vista, Linux, and FreeBSD.
DOSBox-X Changelog:
* It seems the reason OS/2 Warp was not functioning properly was due to a bug fix in 2025 aimed at emulating an issue with 16-bit LDS/LES instructions. This fix was not implemented correctly, leading to the need for adjustments in that emulation. OS/2 Warp can now boot successfully.
* Based on IBM PC/XT/PCjr source code, the BIOS initializes the stack at boot at 30:xx, which may differ, while PCjr clearly uses 30:80. Introduced a -zeromem BOOT option to clear all DOS memory before booting, should the bootloader require it. However, neither of these fixes makes the OS/2 Warp kernel “acceptable”.
