# ****************************************************************************
# *                        VT100 escape sequence                             *
# ****************************************************************************

module VT100
  def cls; print "\e[2J"; end
  def move(x, y); printf("\e[%d;%dH",x, y); end
  def bold; print "\e[1m"; end
  def under_line; print "\e[4m"; end
  def reverse; print "\e[7m"; end
  def f_black; print "\e[30m"; end
  def f_red; print "\e[31m"; end
  def f_green; print "\e[32m"; end
  def f_yellow; print "\e[33m"; end
  def f_blue; print "\e[34m"; end
  def f_magenta; print "\e[35m"; end
  def f_cyan; print "\e[36m"; end
  def f_white; print "\e[37m"; end
  def b_black; print "\e[40m"; end
  def b_red; print "\e[41m"; end
  def b_green; print "\e[42m"; end
  def b_yellow; print "\e[43m"; end
  def b_blue; print "\e[44m"; end
  def b_magenta; print "\e[45m"; end
  def b_cyan; print "\e[46m"; end
  def b_white; print "\e[47m"; end
  def reset; print "\e[0m"; end
  def sc; print "\e7"; end	# * store cursor *
  def rc; print "\e8"; end	# * restore cursor *
  def d_right; print "\e[0K"; end # * delete right side of the cursor *
end