INT 49 - TI Professional PCIBM PC - CRT - SET ATTRIBUTE LATCH
	AH = 16h
	BL = new attribute (see #03210)
Return: nothing
Note:	AH=00h,04h,05h,0Bh,0Ch,0Dh,0Fh are documented as NOPs
SeeAlso: AH=01h,AH=02h