SL11_PID_BITS
if (actlen && (spipe->tregs[PID] & SL11_PID_BITS) == SL11_PID_IN) {
if ((spipe->tregs[PID] & SL11_PID_BITS) == SL11_PID_IN)
if (spipe->tregs[LEN] && (spipe->tregs[PID] & SL11_PID_BITS)
spipe->newpid &= ~SL11_PID_BITS;
(spipe->newpid & SL11_PID_BITS) == SL11_PID_OUT)
if ((spipe->tregs[PID] & SL11_PID_BITS) != SL11_PID_IN)