ASC_IOP_REG_DA0  1307 dev/ic/advlib.h #define ASC_READ_CHIP_DA0(iot, ioh)				bus_space_read_2((iot), (ioh), ASC_IOP_REG_DA0)
ASC_IOP_REG_DA0  1308 dev/ic/advlib.h #define ASC_WRITE_CHIP_DA0(iot, ioh)				bus_space_write_2((iot), (ioh), ASC_IOP_REG_DA0, data)