display: bei nullbyte space bitte!

diff --git a/src/display.vhd b/src/display.vhd
index ccb8ba3befae217af250e649d361bf56cd03f6a3..fb6649f9d71e3fed56f01e428c4cf4cb938e679a 100644 (file)
--- a/src/display.vhd
+++ b/src/display.vhd
@@ -182,7 +182,7 @@ begin
                        when S_PUTCH1 =>
                                state_next <= S_PUTCH2;
                        when S_PUTCH2 =>
-                               if free = '0' or (free = '1' and d_char = x"00") then
+                               if free = '0' then
                                        state_next <= S_WAIT;
                                end if;
                        when S_WAIT =>
@@ -312,8 +312,10 @@ begin
                        when S_GETCH =>
                                d_get_next <= '1';
                        when S_PUTCH1 =>
-                               if d_char /= x"00" then
-                                       command_next <= COMMAND_SET_CHAR;
+                               command_next <= COMMAND_SET_CHAR;
+                               if d_char = x"00" then
+                                       command_data_next <= x"ffffff" & x"20";
+                               else
                                        command_data_next <= x"ffffff" & std_logic_vector(d_char);
                                end if;
                        when S_PUTCH2 => null;