INT 62 u - FGDRIVER v3.03 - "FG_SOUNDS" - PLAY SOUNDS IN BACKGROUND
        AX = 009Eh
        CX = number of times to cycle through sound list
        ES:BX -> sounds array (see below)
Notes:  For FGDRIVER v1.10, this function was "FG_ALLOCEMS" (see AX=0002h);
          "FG_SOUNDS" was AX=0089h
        This call is ignored if asynchronous sound (AX=0089h,AX=008Bh,
          AX=008Dh) is already in progress
SeeAlso: AX=0048h,AX=006Bh,AX=009Dh,AX=00A0h,AX=00ABh

Format of sounds array element:
Offset  Size    Description
 00h    WORD    frequency of sound in Hertz (0000h ends array)
 02h    WORD    duration of sound in clock ticks

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