From: Bernhard Urban <lewurm@gmail.com>
Date: Fri, 21 May 2010 18:08:21 +0000 (+0200)
Subject: display: bei nullbyte space bitte!
X-Git-Tag: abgabe~68
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=hwmod.git;a=commitdiff_plain;h=8df5c1463f67b799e33b6704bab7419cb90bf9b7

display: bei nullbyte space bitte!
---

diff --git a/src/display.vhd b/src/display.vhd
index ccb8ba3..fb6649f 100644
--- 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;