INT 2F - PRINDIR v9.0 - SET NORMAL TEXT COLOR                                   
	AX = 7F06h
	DH = new attribute for normal text
Return: AX = status
	    0000h successful
SeeAlso: AX=7F00h"PRINDIR",AX=7F01h"PRINDIR",AX=7F05h"PRINDIR",AX=7F07h