AHC_SCB_BTT
if ((ahc->flags & AHC_SCB_BTT) == 0)
if ((ahc->flags & AHC_SCB_BTT) == 0) {
if ((ahc->flags & AHC_SCB_BTT) == 0) {
if ((ahc->flags & AHC_SCB_BTT) != 0) {
if ((ahc->flags & AHC_SCB_BTT) != 0) {
if ((ahc->flags & AHC_SCB_BTT) != 0) {
if ((ahc->flags & AHC_SCB_BTT) != 0) {
if ((ahc->flags & AHC_SCB_BTT) == 0) {
if ((ahc->flags & AHC_SCB_BTT) != 0)
&& (ahc->features & AHC_SCB_BTT) == 0) {
ahc->flags |= AHC_SCB_BTT;