collapseos/blk/424

: ? @ . ;
: _
    DUP 9 > IF 10 - 'a' +
    ELSE '0' + THEN
;
( For hex display, there are no negatives )
: .x
    256 MOD     ( ensure < 0x100 )
    16 /MOD     ( l h )
    _ EMIT      ( l )
    _ EMIT
;
: .X
    256 /MOD    ( l h )
    .x .x
;