+ when S_S_WRITE =>
+ -- nur bei < 71 weiter machen
+ -- TODO: '/=' billiger als '<' ?
+ if unsigned(s_cnt_int) /= 71 then
+ wr_next <= '1';
+ address_next <= std_logic_vector(unsigned(pos_int) + unsigned(s_cnt_int));
+ data_in_next <= s_char;
+ s_cnt_next <= std_logic_vector(unsigned(s_cnt_int) + 1);
+ else
+ -- was_bs hier missbrauchen, um ein d_new_eingabe zu verhindern
+ was_bs_next <= '1';
+ end if;
+ when S_S_BS =>
+ -- ab 1 darf nicht mehr dekrementiert werden
+ addr_tmp := (others => '0');
+ if unsigned(s_cnt_int) /= 1 then
+ addr_tmp(hspalte'length - 1 downto 0) := std_logic_vector(unsigned(s_cnt_int) - 1);
+ d_new_bs_next <= '1';
+ else
+ addr_tmp(hspalte'length - 1 downto 0) := s_cnt_int;
+ end if;
+ s_cnt_next <= addr_tmp(hspalte'length - 1 downto 0);
+
+ wr_next <= '1';
+ address_next <= std_logic_vector(unsigned(pos_int) + unsigned(addr_tmp));
+ data_in_next <= (others => '0');
+ was_bs_next <= '1';
+ when S_S_FIN =>
+ finished_next <= '1';
+ s_cnt_next <= (0 => '1', others => '0');
+ d_new_result_next <= '1';
+ when S_S_FIN_POSUP =>
+ -- TODO: overflow nach 50 berechnungen... => wieder von vorne anfangen
+ pos_next <= std_logic_vector(unsigned(pos_int) + to_unsigned(142,H_RAM_WIDTH));
+ when S_S_DONE =>
+ s_done_next <= '1';
+ if was_bs_int = '0' then
+ d_new_eingabe_next <= '1';
+ end if;
+ if s_take = '0' then
+ was_bs_next <= '0';
+ end if;
+
+ when S_D_INIT =>
+ addr_tmp := (others => '0');
+ addr_tmp(hzeile'length - 1 downto 0) := d_zeile;
+ mul_tmp := std_logic_vector(unsigned(addr_tmp) * to_unsigned(71,H_RAM_WIDTH));
+ addr_tmp := mul_tmp((addr_tmp'length - 1) downto 0);
+ addr_tmp := std_logic_vector(unsigned(addr_tmp) + unsigned(d_spalte));
+ address_next <= addr_tmp;
+ d_new_eingabe_next <= '0';
+ d_new_result_next <= '0';
+ when S_D_READ =>
+ d_char_next <= data_out;
+ d_done_next <= '1';