Int 32 Fn 6E15  - Noise.sys V0.53+ - Set Flags                             [y]

   AX = 6E15h
   BX = flags (see #2838)

Return: BX = new flags

Note:  flags which AX=6E14h indicates are not settable should be masked off
     by ANDing with the CX returned by AX=6E14h

See Also: AX=6E00h,AX=6E14h