INT 10 - Chips & Technologies Extended BIOS - EN/DISABLE TALL FONT LOADING

	AX = 5F5Eh
	BL = new state of tall-font loading
	    00h enable loading	of 8x19/30/32 fonts
	    01h disable loading of 8x19/30/32 fonts
Return: AL = 5Fh if function supported
	    AH = status
		00h unsuccessful
		01h successful
Note:	when tall fonts are enabled, the fonts are stretched by duplicating
	  scan lines as appropriate to convert an 8x16 font to the proper
	  height (scan lines 1/9/12 [8x19] or 2-15 [8x30] or all [8x32])
SeeAlso: AX=5F5Ch,AX=5F5Fh