---
   INITSUP()       Initialize values for library - colors, etc
     Usage         Initsup()
     Notes         The following variables are made public:
                       s_init_ok   -  INITIALIZATION HAS BEEN DONE
                       c_normcol   +
                       c_normmenu  |
                       c_popcol    |- GLOBAL COLORS
                       c_popmenu   +
                       xplode      -  MAKE WINDOWS EXPLODE/IMPLODE
                   The following SETS are done:
                       SET CONFIRM OFF
                       SET BELL OFF
                       SET SAFETY OFF
                       SET WRAP ON
                       SET SCOREBOARD OFF
                       SET TYPEAHEAD TO 100