DCC_STATUS_TX
if (!(__dcc_getstatus() & DCC_STATUS_TX)) {
while (__dcc_getstatus() & DCC_STATUS_TX)
while (--count && (__dcc_getstatus() & DCC_STATUS_TX))
if (__dcc_getstatus() & DCC_STATUS_TX)
while (__dcc_getstatus() & DCC_STATUS_TX)