From: Michael Gernoth <michael@gernoth.net>
Date: Thu, 1 May 2008 00:04:31 +0000 (+0200)
Subject: picture getting better again
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/fpga-games/commitdiff_plain/37f1bdd7020c4818e43d611a83c11e554e954943?hp=b884ab49c82cc350e3d74264cff4b9da0d664878

picture getting better again
---

diff --git a/galaxian/src/mc_top.v b/galaxian/src/mc_top.v
index d8508d1..5f123fd 100644
--- a/galaxian/src/mc_top.v
+++ b/galaxian/src/mc_top.v
@@ -425,6 +425,7 @@ wire   [7:0]ROM_D; // = I_ROM_DB;
 //assign O_ROM_WEn = 1'b1;
 
 galaxian_roms ROMS(
+.I_CLK_18432M(I_CLK_18432M),
 .I_CLK_12M(WB_CLK_12M),
 .I_ADDR(ROM_A),
 .O_DATA(ROM_D)
diff --git a/galaxian/src/roms.v b/galaxian/src/roms.v
index 2ca0d07..ee71dc9 100644
--- a/galaxian/src/roms.v
+++ b/galaxian/src/roms.v
@@ -1,9 +1,11 @@
 module galaxian_roms(
+I_CLK_18432M,
 I_CLK_12M,
 I_ADDR,
 O_DATA
 );
 
+input I_CLK_18432M;
 input I_CLK_12M;
 input [18:0]I_ADDR;
 output [7:0]O_DATA;
@@ -76,6 +78,7 @@ GALAXIAN_1H H_ROM(
 );
 
 reg [7:0]DATA_OUT;
+reg [7:0]DATA_OUT2;
 
 //    address map
 //--------------------------------------------------
@@ -126,6 +129,11 @@ begin
 	end
 end
 
-assign O_DATA = DATA_OUT;
+always@(negedge I_CLK_18432M)
+begin
+	DATA_OUT2 <= DATA_OUT;
+end
+
+assign O_DATA = DATA_OUT2;
 
 endmodule