TBNL:		OR DX, DX
		JZ TBNL0
		CMP DX, [DI]
		JA TBNL0
		INC DI
		INC DI
		CMP DX, 1
		JNA TBNL1
		MOV CX, DX
		DEC CX
		CLD
		XOR BH, BH
TBNL2:		MOV BL, [DI]
		LEA DI, [BX+DI+3]
		LOOP TBNL2
TBNL1:		CLC
		RET
TBNL0:		STC
		RET
