read_fdreg
status = read_fdreg(FDC_CS);
status = read_fdreg(FDC_CS);
status = read_fdreg(FDC_CS);
status = read_fdreg(FDC_CS);
status = read_fdreg(FDC_CS);
(void)read_fdreg(FDC_CS);
tmp = read_fdreg(FDC_CS);
status = read_fdreg(FDC_CS);
static inline uint8_t read_fdreg(u_short);