BIOSDISK_INT13EXT
d->flags = BIOSDISK_INT13EXT;
d->ll.flags & BIOSDISK_INT13EXT) {
if (d->ll.flags & BIOSDISK_INT13EXT) {
d->flags |= BIOSDISK_INT13EXT;
if (!(d->flags & BIOSDISK_INT13EXT))
if (d.flags & BIOSDISK_INT13EXT) {