ENT_HM
or(scc,R3,ENT_HM|RxENABLE); /* enable the receiver, hunt mode */
cl(scc,R3,ENT_HM|RxENABLE); /* disable the receiver */
or(scc,R3,ENT_HM); /* enter hunt mode for next flag */
or(scc, R3, ENT_HM);
or(scc, R3, ENT_HM);
or(scc,R3,ENT_HM); /* enter hunt mode for next flag */
cl(scc, R3, RxENABLE|ENT_HM); /* switch off receiver */