From e2a62ebefbbfd7d86ba0c98e2d735cc08ebfcd2c Mon Sep 17 00:00:00 2001
From: sorgelig <pour.garbage@gmail.com>
Date: Sat, 19 Oct 2019 11:17:18 +0800
Subject: [PATCH] arcade_video: use ce if gamma correction is enabled.

---
 sys/arcade_video.v | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/arcade_video.v b/sys/arcade_video.v
index 2d64878..0587618 100644
--- a/sys/arcade_video.v
+++ b/sys/arcade_video.v
@@ -260,7 +260,7 @@ screen_rotate #(WIDTH,HEIGHT,DW,4,CCW) rotator
 	.hblank(HBlank),
 	.vblank(VBlank),
 
-	.ce_out(VGA_CE | ~scandoubler),
+	.ce_out(VGA_CE | (~scandoubler & ~gamma_bus[19])),
 	.video_out(RGB_out),
 	.hsync(rhs),
 	.vsync(rvs),
@@ -301,7 +301,7 @@ wire scandoubler = fx || forced_scandoubler;
 video_mixer #(WIDTH+4, 1, 1) video_mixer
 (
 	.clk_vid(HDMI_CLK),
-	.ce_pix(VGA_CE | ~scandoubler),
+	.ce_pix(VGA_CE | (~scandoubler & ~gamma_bus[19])),
 	.ce_pix_out(HDMI_CE),
 
 	.scandoubler(scandoubler),