return y;
end function;
- function valid_char (x : std_logic_vector(7 downto 0); last : std_logic_vector(7 downto 0)) return boolean is
+ function valid_char (x : std_logic_vector(7 downto 0)) return boolean is
variable y : boolean;
begin
case x is
variable checkall : boolean := true;
variable run_tc, run_inner : boolean := true;
variable i, j, k, y : natural;
- variable last : std_logic_vector(7 downto 0);
begin
-- init & reset
sys_res_n <= '0';
j := 0; k := 1;
mainl : while run_tc loop
- last := data;
icwait(sys_clk, 1);
j := j + 1;
case input(j) is
when nul => data <= ascii2sc(x"1c"); -- $ (enter)
when '!' => data <= ascii2sc(x"0e"); -- ! (backspace)
+ when '/' =>
+ data <= x"e0";
+ icwait(sys_clk, 1);
+ new_data <= '0';
+ icwait(sys_clk, 1);
+ new_data <= '1';
+ data <= SC_KP_DIV;
when others => data <= ascii2sc(std_logic_vector(to_unsigned(character'pos(input(j)),8)));
end case;
icwait(sys_clk, 1);
new_data <= '0';
- -- ack'en skippen, falls es ein "spezielles" zeichen ist (steht
- -- in abhaengigkeit zum vorherigen zeichen)
- if(not valid_char(data, last)) then
+ -- ack'en skippen, falls es ein "spezielles" zeichen ist
+ if(not valid_char(data)) then
next mainl;
end if;