ROCKFORD – Revenue reaped in from video gaming machines in Rockford and its largest neighbors increased about 3% last year to its second-highest total on record. Slot machines in Rockford, Loves Park, Machesney Park and unincorporated portions of Winnebago County brought in a combined $86.3 million in net revenue, according to data compiled from the Illinois Gaming Board. Video gaming has been allowed in Illinois for a dozen years.