; 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