x86 emulator with Tandy/Herc/CGA/EGA/VGA/SVGA graphics, sound and DOS

 DOSBox is a x86 emulator with Tandy/Hercules/CGA/EGA/VGA/SVGA graphics,
 sound and DOS. It's been designed to run old DOS games under platforms that
 don't support it. (Win2k/XP/FreeBSD/Linux/MAC OS X)
 .
 The following legacy sound devices are emulated: PC Speaker, Creative
 CMS/Gameblaster, Tandy 3 voice, Adlib, Sound Blaster Pro/16,
 Disney Soundsource and a Gravis Ultrasound. MPU-401 is forwarded to the host.