: JPccnn, SWAP <<3 0xc2 OR A, A,, ;
: BCALL, BIN( @ + CALLnn, ;
: BJP, BIN( @ + JPnn, ;
: BJPcc, BIN( @ + JPccnn, ;

VARIABLE lblchkPS
: chkPS, lblchkPS @ CALLnn, ; ( chkPS, B305 )
CREATE lblnext 0x1a , ( stable ABI until set in B300 )
: JPNEXT, lblnext @ JPnn, ;
: CODE ( same as CREATE, but with native word )
    (entry) 0 C, ( 0 == native ) ;
: ;CODE JPNEXT, ;