CODE (?br)           ( 0x67 )
    HL POPqq,
    chkPS,
    HLZ,
    JRZ, L2 BWR ( BR + 2. False, branch )
    ( True, skip next 2 bytes and don't branch )
    IY INCss,
    IY INCss,
    JPNEXT,

( END OF STABLE ABI )