STAT
#define STAT 0x00
STAT = 0x18, /* Status R/W */
STAT = 0x02,
#define STAT(id) do { \
#define STAT(x) val[STAT_IDX(x)]
#undef STAT
#define STAT 0x2004
#define STAT ((128 + 16) << 2)
#undef STAT