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DOSEMU is an option for people who need or want to continue to use legacy DOS software; in some cases virtualisation is good enough to drive external hardware such as device programmers connected to the parallel port. According to its manual, "dosemu" is a user-level program which uses certain special features of the Linux kernel and the 80386 ...
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.
This was the version that the MS-DOS product emerged from, since, at the time, id Software was using a NeXTcube for its graphic-engine development. This version is sluggish on anything below an 040 NeXTstation/cube (though it runs smoother with a higher amount of memory), and is missing sound, which was added on the PC side.
Note that most old programs can still be run using emulators, such as SheepShaver, vMac, or Basilisk II. For a list of current programs, see List of Mac software . Third-party databases include VersionTracker , MacUpdate and iUseThis .
86Box is an IBM PC emulator for Windows, Linux and Mac based on PCem that specializes in running old operating systems and software that are designed for IBM PC compatibles. . Originally forked from PCem, it later added support for other IBM PC compatible computers as we
vMac is a free and open-source Macintosh Plus emulator which is able to run versions of System 1.1 to 7.5.5. [1] It is available for Windows, DOS, OS/2, Mac OS, NeXTSTEP, Linux, Unix, and other platforms. [2] Although vMac has been abandoned, Mini vMac, an improved spinoff of vMac, is still actively developed. [1]
It is widely used for OS development, as it removes the need for constant system restarts (to test code). BFE, described as a "Graphical Debugger Interface for the Bochs PC Emulator", is a graphical interface for the debugger within the Bochs PC emulator that makes it possible to debug software step-by-step at the instruction and register level ...
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).