INT 48 - TI Professional PCIBM PC - SPEAKER DEVICE - DELAY
	AH = 05h
	CX = desired delay in milliseconds
Return: after delay expires
Note:	the delay is only approximate, and may be longer than requested
SeeAlso: AH=00h,AH=01h,AH=02h,AH=03h,AH=04h,AH=06h,AH=08h,AH=0Ah,AH=0Bh