http://dosbox.sourceforge.net/news.php?show_news=1
Dosbox is a full x86 emulator. It is written in C/C++ and supports sound and
dos. Main purpose of Dosbox is running old dos games on platforms which
don't have dos (i.e. win2k/XP/FreeBSD/Linux)
Another year and another dosbox version, again more speedups and compatibility fixes.
- Speed up the dynamic cpu core (certain games get much faster).
- Added a dynamic fpu on x86 hosts.
- Improved the cycle guessing code (and make it default).
- Better and more configurable joystick support.
- Improved the image and fat drives.
- Added nullmodem emulation.
- Various win 3.x enhanchments (video/audio/ems/win32s).
- Improved CDROM detection and support.
- Speed up the screen drawing code.
- Added support for different keyboard layouts.
- Various fixes to the (C/E/V)GA emulation.
- Extended and improved all types of emulated memory. (umb/ems/xms)
- Dynamic core should work on Intel Macs.
- Various timer related fixes.
- Added a few more graphic scalers.
Some default settings have been changed in this one so be sure to update your configfiles and read the readme