INT 62 u - FGDRIVER v3.03 - "FG_HUSHNEXT" - STOP ASYNCHRONOUS SOUND
        AX = 0049h
Program: FGDRIVER is the external video driver for the shareware
          Fastgraph/Light by Ted Gruber Software
Notes:  For FGDRIVER v1.10, this function was "FG_DRWIMAGE" (see AX=0022h);
          "FG_HUSHNEXT" was AX=008Fh
        This function stops any sounds started with "FG_MUSICB", "FG_SOUNDS",
          or "FG_VOICES" after the current repetition completes; it is ignored
          unless asynchronous sound is continuous
SeeAlso: AX=0048h,AX=006Bh,AX=009Eh,AX=00ABh

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