: JPc, SWAP <<3 0xc2 OR A, A,, ;
: BCALL, BIN( @ + CALL, ;
: BJP, BIN( @ + JP, ;
: BJPc, BIN( @ + JPc, ;

CREATE lblchkPS 0 ,
: chkPS, lblchkPS @ CALL, ; ( chkPS, B305 )
CREATE lblnext 0 , ( stable ABI until set in B300 )
: JPNEXT, lblnext @ ?DUP IF JP, ELSE 0x1a BJP, THEN ;
: CODE ( same as CREATE, but with native word )
    (entry) 0 C, ( 0 == native ) ;
: ;CODE JPNEXT, ;