begin   
comment output of bit variables i_w don't work, s_w does;

	bits a, b;
	integer i;
	
	a := #12;
	b := #abc;
	i_w := 3;
	for i := 0 until 10 do
	begin
		s_w := i;
		write(a, b);
	end;
	
	write (s_w := 0, i_w := 15, a, b);
end.