A/B marked primary buttons, X/Y marked secondary buttons. A 1993 Nintendo Power Q&A confirmed the CAD origin of the ABXY labeling. Nintendo kept ABXY; Microsoft swapped A/B positions — switching from ...
Hit Home three times, Up twice, Right, Left, Right, Left, Right. Press Home five times, Down, Left, Up, Up, Up. Press Home three times, Up twice, Left, Right, Left, Right, Left. Tap Home five times, ...