INT 32 - NOISE.SYS v0.53+ - SET FLAGS                                           
	AX = 6E15h
	BX = flags (see #03167)
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
SeeAlso: AX=6E00h,AX=6E14h