emu2

This is a simple DOS emulator for the Linux text console, supporting basic
DOS system calls and console I/O.

EMU2 - Simple x86 + DOS Emulator, version 2021.01

Usage: emu2 [options] <prog.exe> [args...] [-- environment vars]

Options (processed before program name):

  -h            Show this help.

  -b <addr>     Load header-less binary at address.

  -r <seg>:<ip> Specify a run address to start execution.

                (only for binary loaded data).

Environment variables:

  EMU2DEBUGNAME     Base name of a file to write the debug log, defaults to the exe name if not given.

  EMU2DEBUG          List of debug options to activate, from the following: 'cpu', 'int', 'port', 'dos', 'video'.

  EMU2PROGNAME       DOS program name, if not given use the unix name.

  EMU2DEFAULTDRIVE  DOS default (current) drive letter, if not given use 'C:'

  EMU2CWD            DOS current working directory, use 'C:\' if not given.

  EMU2DRIVEn        Set unix path as root of drive 'n', by default all drives point to the unix working directory.

  EMU2CODEPAGE       Set DOS code-page. Set to '?' to show lost of code-pages.

  EMU2_LOWMEM         Limit DOS memory to 512KB, fixes some old buggy programs.

Source: https://github.com/dmsc/emu2
Build config: https://github.com/popey/emu2-snap