: icpy ( n -- copy n chars from cursor to IBUF )
    IBUF _zbuf EDPOS @ _cpos IBUF ( n a buf ) ROT MOVE ;
: _X ( n -- )
    DUP icpy EDPOS @ _cpos 2DUP + ( n a1 a1+n )
    SWAP _rbufsz MOVE ( n )
    ( get to next line - n )
    DUP EDPOS @ 0xffc0 AND 0x40 + -^ _cpos ( n a )
    SWAP 0 FILL BLK!! ;
: X _X EDPOS @ 64 / _pln ;
: _E FBUF _blen _X ;
: E FBUF _blen X ;
: Y FBUF _blen icpy ;