DBG_REG
#define DBG_REG 2
#define DBG_REG 2
#define DBG_REG 2
#define DBG_REG 4
DBG_REG = 0xd1,
#define DBG_REG(x) DBG(x)
#define DBG_REG(x) /* DBG_REG */
#define DBG_REG(x) /* DBG_REG */