(DICTLIMIT) (DICTFENCE) (DROP-$FRAME)
(DICTLIMIT)
* (DICTLIMIT) ( -- constvalue )

the upper limit of the forth writeable memory space,
the variable >DICTLIMIT must be below this line.
stack-space and other space-areas are often allocated
above >DICTLIMIT upto this constant.

>DICTFENCE is the lower end of the writeable dictionary

tools_misc ordinary primitive