; Manuel Vichi 3^AIN
; Esercizio B1
	org 0h
	jp main
	org 100h
main:	ld HL, 200h
	call rout
	halt
	end
rout:	push HL
	push bc
	ld b, 3h
	ld A, (HL)
loop:	add A, (HL)
	dec b
	jr nz, loop
	ld (HL), a
	pop bc
	pop hl
	ret