From 0840cca68ecfa59ea10e60db9c02dbbd081215e7 Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Tue, 29 Apr 2008 15:20:18 +0200
Subject: [PATCH] fix vga colours
---
galaxian/galaxian.ucf | 23 ++++++++---------------
galaxian/src/mc_top.v | 12 ++++++------
galaxian/src/mc_vga_if.v | 12 ++++++------
3 files changed, 20 insertions(+), 27 deletions(-)
diff --git a/galaxian/galaxian.ucf b/galaxian/galaxian.ucf
index 6fb6807..3a8e011 100644
--- a/galaxian/galaxian.ucf
+++ b/galaxian/galaxian.ucf
@@ -51,21 +51,14 @@ NET "O_SOUND_OUT_L" LOC = "AA22" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8;
NET "O_SOUND_OUT_R" LOC = "V19" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8;
#-------------------------------------------
#--------- VIDEO I/F -----------------------
-NET "O_VGA_R<0>" LOC = "V18" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_R<1>" LOC = "F24" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_R<2>" LOC = "F25" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_R<3>" LOC = "K20" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_R<4>" LOC = "L20" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_G<0>" LOC = "T17" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_G<1>" LOC = "J22" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_G<2>" LOC = "J23" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_G<3>" LOC = "M18" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_G<4>" LOC = "M19" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_B<0>" LOC = "Y25" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_B<1>" LOC = "G24" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_B<2>" LOC = "G23" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_B<3>" LOC = "K21" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
-NET "O_VGA_B<4>" LOC = "L22" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
+NET "O_VGA_R<2>" LOC = "K20" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
+NET "O_VGA_R<1>" LOC = "F25" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
+NET "O_VGA_R<0>" LOC = "F24" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
+NET "O_VGA_G<2>" LOC = "M18" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
+NET "O_VGA_G<1>" LOC = "J23" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
+NET "O_VGA_G<0>" LOC = "J22" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
+NET "O_VGA_B<1>" LOC = "G23" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
+NET "O_VGA_B<0>" LOC = "G24" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
NET "O_VGA_H_SYNCn" LOC = "K26" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
NET "O_VGA_V_SYNCn" LOC = "K25" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = FAST ;
diff --git a/galaxian/src/mc_top.v b/galaxian/src/mc_top.v
index a8d2ca8..c382b64 100644
--- a/galaxian/src/mc_top.v
+++ b/galaxian/src/mc_top.v
@@ -95,9 +95,9 @@ output O_SOUND_OUT_L;
output O_SOUND_OUT_R;
// VGA (VIDEO) IF
-output [4:0]O_VGA_R;
-output [4:0]O_VGA_G;
-output [4:0]O_VGA_B;
+output [2:0]O_VGA_R;
+output [2:0]O_VGA_G;
+output [1:0]O_VGA_B;
output O_VGA_H_SYNCn;
output O_VGA_V_SYNCn;
@@ -643,11 +643,11 @@ mc_vga_if VGA(
`else
-assign O_VGA_R[4:0] = W_R;
+assign O_VGA_R[2:0] = W_R;
-assign O_VGA_G[4:0] = W_G;
+assign O_VGA_G[2:0] = W_G;
-assign O_VGA_B[4:0] = W_B;
+assign O_VGA_B[1:0] = W_B;
//assign O_VGA_H_SYNCn = W_H_SYNC | W_V_SYNC ; // AKIDUKI LCD USED
assign O_VGA_H_SYNCn = ~W_H_SYNC ;
diff --git a/galaxian/src/mc_vga_if.v b/galaxian/src/mc_vga_if.v
index 707e8a1..4883686 100644
--- a/galaxian/src/mc_vga_if.v
+++ b/galaxian/src/mc_vga_if.v
@@ -45,9 +45,9 @@ input I_H_SYNC; // HSYNC input (16KHz)
input I_V_SYNC; // VSYNC input (60Hz)
// output signals
-output [4:0]O_R; // R out
-output [4:0]O_G; // G out
-output [4:0]O_B; // B out
+output [2:0]O_R; // R out
+output [2:0]O_G; // G out
+output [1:0]O_B; // B out
output O_H_SYNCn; // HSYNC output
output O_V_SYNCn; // VSYNC output
@@ -174,9 +174,9 @@ end
// output
//---------------------------------------------------------------------------
-assign O_R = {2'b00,rgb_out[7:5]};
-assign O_G = {2'b00,rgb_out[4:2]};
-assign O_B = {3'b000,rgb_out[1:0]};
+assign O_R = rgb_out[7:5];
+assign O_G = rgb_out[4:2];
+assign O_B = rgb_out[1:0];
// converted H V SYNC
assign O_H_SYNCn = ~O_Hsync;
--
2.39.5