X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=cpu%2Fsrc%2Fextension_7seg_b.vhd;h=a78da17d9339f43a4a09ddacaa2714d60d606267;hb=06700211ba6dd1d05e96f574aaf34f44ae901cb7;hp=0e58cca78a7924b6c4cd4836f41b06742823407b;hpb=8dd0b1556d1726952e776954a6b2ca9ae357491c;p=calu.git

diff --git a/cpu/src/extension_7seg_b.vhd b/cpu/src/extension_7seg_b.vhd
index 0e58cca..a78da17 100755
--- a/cpu/src/extension_7seg_b.vhd
+++ b/cpu/src/extension_7seg_b.vhd
@@ -45,27 +45,23 @@ end process;
 
 seg_asyn: process(s_state, ext_reg_r)	
 
-variable tmp_data  : byte_t;
-
 begin
 	s_state_nxt <= s_state;	
-	tmp_data := (others =>'0');			
 
 	if ext_reg_r.sel = '1' and ext_reg_r.wr_en = '1' then
 
-		tmp_data(byte_t'range) :=ext_reg_r.data(byte_t'range);
-
-		s_state_nxt.digit0 <= digit_decode('0' & ext_reg_r.data(3 downto 0));
-		s_state_nxt.digit1 <= digit_decode('0' & ext_reg_r.data(7 downto 4));
-		s_state_nxt.digit2 <= digit_decode('0' & ext_reg_r.data(11 downto 8));
-		s_state_nxt.digit3 <= digit_decode('0' & ext_reg_r.data(15 downto 12));
 
 		case ext_reg_r.byte_en(1 downto 0) is
-		when "01" => s_state_nxt.digit3 <= digit_decode("11111");
 		when "00" => null;
-		when "10" => null;
-		when "11" => null;
-		when others => null;
+			s_state_nxt.digit0 <= digit_decode('0' & ext_reg_r.data(3 downto 0));
+			s_state_nxt.digit1 <= digit_decode('0' & ext_reg_r.data(7 downto 4));
+			s_state_nxt.digit2 <= digit_decode('0' & ext_reg_r.data(11 downto 8));
+			s_state_nxt.digit3 <= digit_decode('0' & ext_reg_r.data(15 downto 12));
+		when others => 
+			s_state_nxt.digit0 <= (others => '1');
+			s_state_nxt.digit1 <= (others => '1');
+			s_state_nxt.digit2 <= (others => '1');
+			s_state_nxt.digit3 <= (others => '1');
 		end case;