You can use it to record, modify or broadcast all the sound in your system. This variable 'shows' the DOS application (MAME) how the soundcard is configured. Ziel ist das Ausführen älterer, DOS-basierter Computerspiele, die auf modernen Computersystemen nicht mehr nativ laufen bzw. Software for MS-DOS machines that represent entertainment and games. And despite the absence of DOS, XP is still capable of running most older 16 bit code and DOS applications perfectly well with its DOS NTVDM.EXE) and 16 bit Windows ( WOWEXEC.EXE) emulators. Compared to DOSBox, DOSBox-X is much more flexible and provides more features. For optional wavetable synthesis, the Sound Blaster 16 also added an expansion-header for add-on MIDI-daughterboards, called a Wave Blaster connector, and a game port for optional connection with external MIDI sound modules. Fortunately applications such as DOSBox (an MS-Dos emulator/Virtual Machine) and VDMSound exist to run these legacy applications in old Windows or Linux environments. The SBEmul system driver (Sbemul.sys) provides Sound Blaster emulation for MS-DOS applications. Every Windows XP/Vista/7 and MAC OS has got a default emulator compatible with: Sound Canvas/SCC/General Standard/General MIDI/Wave Blaster.