"System-extension wordset from forth-83"

system
forth-83 did define a system extension word set which
was deleted in dpans94 due to some problems with the
native-compiling variants of forth. pfe is traditional
enough to use the words as they were originally intended.
Tektronix CTE %version: bln_mpt1!1.5 % GNU LGPL
FORTH FORTH <MARK

no special info, see general notes

system loader code P4_FXco

FORTH <RESOLVE

no special info, see general notes

system loader code P4_FXco

FORTH MARK>

no special info, see general notes

system loader code P4_FXco

FORTH RESOLVE>

no special info, see general notes

system loader code P4_FXco

FORTH BRANCH

no special info, see general notes

system loader code P4_FXco

FORTH ?BRANCH

no special info, see general notes

system loader code P4_FXco

* SEARCH ORDER variables,
       for VOCABULARY ALSO DEFINITIONS 

FORTH CONTEXT

no special info, see general notes

system loader code P4_DVaR

FORTH CURRENT

no special info, see general notes

system loader code P4_DVaR

ENVIRONMENT ENVIRONMENT SYSTEM-EXT

no special info, see general notes

system ordinary constant