From 07b3a531cb6ec3e2904f171232f377c4ad2b9428 Mon Sep 17 00:00:00 2001
From: Colin McMillen <c@16bit.cc>
Date: Mon, 8 Jun 2015 23:25:20 -0400
Subject: [PATCH] Don't set background color every frame.

For some reason, this causes graphical glitches on real hardware.
---
 pewpew.asm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pewpew.asm b/pewpew.asm
index 26bf8e0..0fdcca8 100644
--- a/pewpew.asm
+++ b/pewpew.asm
@@ -235,6 +235,8 @@ InitWorld:
     bne -
     SetA8Bit
 
+    jsr SetBackgroundColor
+
     ; Initial enemy ship-spawn cooldown.
     lda #30
     sta enemyShipSpawnCooldown
@@ -311,7 +313,6 @@ MainLoop:
 ++
     jsr UpdateSprites
     jsr FillSecondarySpriteTable
-    jsr SetBackgroundColor
     bra MainLoop