_mb_leadbyte
if (!_mb_leadbyte (_PSENC))
if (!_mb_leadbyte (_PSENC))
if (_mb_leadbyte (_PSENC))
if (_mb_leadbyte (_PSENC))
if (!_mb_leadbyte (_PUSH_PSENC(wc >> 8)) ||
!_mb_leadbyte (_PUSH_PSENC(wc >> 24)) ||
!_mb_leadbyte (_PUSH_PSENC(wc >> 8)) ||