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DOSBox is a free and open-source emulator which runs software for MS-DOS compatible disk operating systems—primarily video games. [5] It was first released in 2002, when DOS technology was becoming obsolete. Its adoption for running DOS games is widespread, with it being used in commercial re-releases of those games as well.
Virtual DOS machines can operate either exclusively through typical software emulation methods (e.g. dynamic recompilation) or can rely on the virtual 8086 mode of the Intel 80386 processor, which allows real mode 8086 software to run in a controlled environment by catching all operations which involve accessing protected hardware and forwarding them to the normal operating system (as exceptions).
Tao ExDOS is an emulator software application designed to allow users of old MS-DOS applications to run these applications on new operating systems such as Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, Windows 2000, and Windows Terminal Server.
Emulator Latest version Released Guest emulation capabilities Host Operating System License Ersatz-11: 7.1 August 7, 2015: DEC PDP-11: DOS, Windows, Linux: Shareware: ts10: 021004 October 4, 2002: DEC PDP-10, DEC PDP-11, DEC VAX: Unix, Linux: GPL: SIMH: 3.9-0 May 3, 2012: Various very old computers Cross-platform: Open source: Charon TB: 4.0 ...
On March 25, 2014, Microsoft made the code to SCP MS-DOS 1.25 and a mixture of Altos MS-DOS 2.11 and TeleVideo PC DOS 2.11 available to the public under the Microsoft Research License Agreement, which makes the code source-available, but not open source as defined by Open Source Initiative or Free Software Foundation standards.
VDMSound was an open-source (licensed under GPLv2) emulator of legacy sound card devices, designed to allow video games and other applications written for MS-DOS to run on the Microsoft Windows NT/2000/XP/95/98/Me operating systems. Its author is Vlad Romascanu. [1] [3]
A hardware emulator is an emulator which takes the form of a hardware device. Examples include the DOS-compatible card installed in some 1990s-era Macintosh computers, such as the Centris 610 or Performa 630, that allowed them to run personal computer (PC) software programs and field-programmable gate array-based hardware emulators.
Villani had already been working on a DOS-like operating system for use in embedded systems for some while before the advent of FreeDOS. [2]His efforts started when he developed an MS-DOS 3.1-compatible interface emulator to write device drivers in the C high-level language instead of in assembly language, [3] as was the usual approach at that time.