ASC_IOP_REG_DC1  1313 dev/ic/advlib.h #define ASC_READ_CHIP_DC1(iot, ioh)				bus_space_read_2((iot), (ioh), ASC_IOP_REG_DC1)
ASC_IOP_REG_DC1  1314 dev/ic/advlib.h #define ASC_WRITE_CHIP_DC1(iot, ioh)				bus_space_write_2((iot), (ioh), ASC_IOP_REG_DC1, data)