From: Michael Gernoth <michael@gernoth.net>
Date: Tue, 29 Apr 2008 15:47:42 +0000 (+0200)
Subject: fix sprite offset when not flipped (now it's broken when the screen is flipped)
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/fpga-games/commitdiff_plain/e68e4aa04e310748e9bb64f78dca1cd81a8b9bb3?hp=ccb8c4aabc8cc4d44a1218b9dc235f4d7be116b5

fix sprite offset when not flipped (now it's broken when the screen is flipped)
---

diff --git a/galaxian/src/mc_video.v b/galaxian/src/mc_video.v
index c93b557..aafdcd3 100644
--- a/galaxian/src/mc_video.v
+++ b/galaxian/src/mc_video.v
@@ -148,7 +148,7 @@ wire   [7:3]W_HF_CNT = I_H_CNT[7:3]^{5{W_H_FLIP1}};
 wire   [7:0]W_VF_CNT = I_V_CNT[7:0]^{8{I_V_FLIP}};
 
 assign O_8HF = W_HF_CNT[3];
-assign O_1VF = W_VF_CNT[0];
+assign O_1VF = I_V_CNT[0]^1'b1; //XXX: breaks when flipped
 
 reg    [7:0]W_OBJ_D;
 wire   [3:0]W_6J_DA = {I_H_FLIP  ,           W_HF_CNT[7],W_HF_CNT[3],I_H_CNT[2]};