STS
#define STS(reg,val) asm volatile ("ftois $f"#reg",%0" : "=r"(val));
#define STS(reg,val) asm volatile ("sts $f"#reg",%0" : "=m"(val));
#define STS 0x4
#define STS 0x04
#define STS (0xc00F << 2)