/*›              DISBREAK.C›   ›   Copyright 1990 by MAX Systems and›   Marty Albert. May be freely used›   and distributed by all so long as›   credit is given.›   ›   ›   This pair of routines will allow›   you to disable and enable the›   BREAK key from within your›   programs.›   ›   Once disabled, the BREAK key stays›   disabled until you re-enable it or›   RESET is pressed, even if your›   program is exited.›   ›   ›   To disable the BREAK key, make the›   call:›   ›               d_break()›   ›   ›   To enable the BREAK key again,›   make the call:›   ›               e_break()›   ›   ›   It is suggested that you always›   enable the BREAK key before you›   exit your program.›   ›   ›*/›››int oldbreak;›int * vprced=0x0202;›int * brkky=0x0236;›››d_break()›   $(›     oldbreak=*brkky;›     *brkky=*vprced;›return;›   $)›››e_break()›   $(›     *brkky=oldbreak;›return;›   $)››