_NPQ
#define _NPQ(x) ((x) & 0xFF)
#define _NPQ(x) ((x) & 0xFF)
#define _NPQ(x) ((x) & 0xFF)
#define _NPQ(x) ((x) & 0xFF)
#define _NPQ(x) ((x) & 0xFF)
#define _NPQ(x) ((x) & 0xFF)
#define _NPQ(x) ((x) & 0xFF) /* NOTE: in RQPN_NPQ register */