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 ...

For more than two millennia, monarchs who ruled China proper saw their country as one of the dominant actors in the world. The concept of zhongguo—the Middle Kingdom, as China calls itself—is not ...