TKSN:		CMP AL, [SI]
		JA TKSN0
		OR AL, AL
		JZ TKSN0
		CLD
		INC SI
		CMP AL,	1
		JZ TKSN2
		MOV CX, AX
		DEC CX
TKSN1:		LODSB
		ADD SI, AX
		LOOP TKSN1
TKSN2:		CLC
		RET
TKSN0:		STC
		RET
