INT 10 - MTRFONTS - INSTALLATION CHECK

	AX = 6D74h ('mt')
	DS:0104h = signature "MtRfOnTs"
Return: AX = 4D54h ('MT') if installed
	    ES = PSP segment of resident code
Program: MTRFONTS is a shareware TSR (part of the MTR package) by Mechon Mamre
	  which provides Hebrew screen fonts
SeeAlso: INT 16/AX=6D74h"MTRTSR"