HDLC_ENCODING_BIPHASE_SPACE
case ENCODING_FM_SPACE: new_encoding = HDLC_ENCODING_BIPHASE_SPACE; break;
case HDLC_ENCODING_BIPHASE_SPACE: val |= BIT12 + BIT10; break;
case HDLC_ENCODING_BIPHASE_SPACE: val |= BIT12 + BIT10; break;
case HDLC_ENCODING_BIPHASE_SPACE: