Verified against MS-DOS 6.22 and Windows 98 versions of FDISK,ĭOS FAT driver: Add options -o sectoff and -o sectlen to make it Image, FDISK it, restart, FORMAT.COM the unformatted partition,Īnd end up with a working drive letter (just like MS-DOS). This matches MS-DOS behavior and it makes it possible to mount an I/O until a BPB is set and the partition formatted by FORMAT.COM. The partition instead as an unformatted partition and fail file Recalculate the disk locations and FAT type properly instead ofĪssuming that FORMAT.COM is using the same format already present.ĭOS FAT driver: If the partition is unformatted and looks as ifįreshly written by FDISK, then instead of failing to mount, mount Will refer to "IMGMAKE 2" instead of "IMGMAKE C"ĭOS FAT driver: When the guest sends in a new BIOS Parameter Block, IMGMAKE: If -nofs and -bat was specified, the generated. IMGMAKE: Fix bug where if -bat was specified, the generated. This is intended for games or demos that use the system timer for The timer tick rate to a value close enough to vertical refresh. Vertical refresh rate of VGA emulation if the game or demo set "VFRCRATE PITSYNC ON"ĭirects the system timer interrupt to synchronize tick rate with While they have made efforts to maintain and improve the emulation accuracy of the hardware and many more ways to configure the DOS virtual machine, they also try to strike a balance between emulation quality, speed, and usability, including improving the out-of-the-box experience for new users who want to run DOS programs or games, as well as implementing emulation that is accurate enough to make retro-programming possible with confidence the program will run properly on actual hardware.Īdd "VRD" debugger command to force redraw of the VGA screen.Īdd VGA debug set commands to force a video start address and anotherĪdd "PITSYNC" option to VFRCRATE command. DOSBox-X aims to be a complete DOS emulation package that is both fully-featured and easy to use, covering all pre-2000 DOS and Windows 9x based system scenarios. But it's also a platform for running DOS applications, including emulating the environments to run Windows 3.x, 9x and ME and software written for those versions of Windows. Started as a fork of the DOSBox project, it retains compatibility with the wide base of DOS games and DOS gaming DOSBox was designed for. DOSBox-X is a free and cross-platform DOS emulator for running DOS games and programs.
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