.MODEL SMALL
.STACK
.DATA
	STRINGA DB "OVERFLOW $"
	VETT DW 0,1,20 DUP (?)
	FIB DW 8

.CODE
.STARTUP

		LEA SI,VETT
		ADD SI,4
		SUB FIB,1
		MOV CX,FIB
CICLO:          MOV AX,[SI-2]
		ADD AX,[SI-4]
		JC ERRORE
		MOV [SI],AX
		ADD SI,2
		LOOP CICLO
		JMP CONTINUA
ERRORE:         MOV AH, 09H
		LEA DX,STRINGA
		INT 21H
CONTINUA:       MOV AH,4CH
		INT 21H
END