Category: sound/speech
INT 21 - Gravis UltraSound - MegaEm/MEGA_EM - INSTALLATION CHECK AX = FD12h BX = 3457h Return: AX = 5678h if installed BX = 1235h if v1.x or v2.x installed CL = interrupt vector used by MegaEm (default 81h) BX = 1237h if v3.x installed CL = interrupt vector used by MegaEm (default 81h) DX = version number Program: MegaEm is a protected-mode SoundBlaster, SoundCanvas, and MT-32 emulator for the Gravis UltraSound SeeAlso: INT 2F/AX=CD00h/BX=464Fh,INT 7E/AX=00FEh"SBOS",INT 81/AX=0200h