From 68f687b207f809d85bc7087a16f52c6e34b4ec58 Mon Sep 17 00:00:00 2001
From: "ALIENJACK\\alien" <wangshijie>
Date: Thu, 18 Jul 2024 15:31:15 +0800
Subject: [PATCH] =?UTF-8?q?=E7=A7=BB=E9=99=A4=E5=A4=9A=E4=BD=99=E4=BB=A3?=
 =?UTF-8?q?=E7=A0=81?=
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---
 AxibugEmuOnline.Client/Assets/MyNes.Core/NesEmu.cs | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/AxibugEmuOnline.Client/Assets/MyNes.Core/NesEmu.cs b/AxibugEmuOnline.Client/Assets/MyNes.Core/NesEmu.cs
index 4eff0d9..aa204c2 100644
--- a/AxibugEmuOnline.Client/Assets/MyNes.Core/NesEmu.cs
+++ b/AxibugEmuOnline.Client/Assets/MyNes.Core/NesEmu.cs
@@ -133,7 +133,7 @@ namespace MyNes.Core
 
         private static bool nos_ignore_reload;
 
-        private static byte[][] sq_duty_cycle_sequences = new byte[4][]
+        private static readonly byte[][] sq_duty_cycle_sequences = new byte[4][]
         {
             new byte[8] { 0, 0, 0, 0, 0, 0, 0, 1 },
             new byte[8] { 0, 0, 0, 0, 0, 0, 1, 1 },
@@ -141,7 +141,7 @@ namespace MyNes.Core
             new byte[8] { 1, 1, 1, 1, 1, 1, 0, 0 }
         };
 
-        private static byte[] sq_duration_table = new byte[32]
+        private static readonly byte[] sq_duration_table = new byte[32]
         {
             10, 254, 20, 2, 40, 4, 80, 6, 160, 8,
             60, 10, 14, 12, 26, 14, 12, 16, 24, 18,
@@ -195,7 +195,7 @@ namespace MyNes.Core
 
         private static bool sq1_ignore_reload;
 
-        private static byte[] trl_step_seq = new byte[32]
+        private static readonly byte[] trl_step_seq = new byte[32]
         {
             15, 14, 13, 12, 11, 10, 9, 8, 7, 6,
             5, 4, 3, 2, 1, 0, 0, 1, 2, 3,
@@ -247,8 +247,6 @@ namespace MyNes.Core
 
         private static bool apu_irq_flag;
 
-        private static bool apu_irq_do_it;
-
         internal static bool apu_irq_delta_occur;
 
         private static bool apu_seq_mode;
@@ -313,8 +311,6 @@ namespace MyNes.Core
 
         private static SoundHighPassFilter audio_high_pass_filter_440;
 
-        private static SoundDCBlockerFilter audio_dc_blocker_filter;
-
         private static bool audio_sq1_outputable;
 
         private static bool audio_sq2_outputable;
@@ -455,7 +451,7 @@ namespace MyNes.Core
 
         public static bool IsFourPlayers;
 
-        private static byte[] reverseLookup = new byte[256]
+        private static readonly byte[] reverseLookup = new byte[256]
         {
             0, 128, 64, 192, 32, 160, 96, 224, 16, 144,
             80, 208, 48, 176, 112, 240, 8, 136, 72, 200,
@@ -1645,7 +1641,6 @@ namespace MyNes.Core
             audio_low_pass_filter_14K = new SoundLowPassFilter(0.00815686);
             audio_high_pass_filter_90 = new SoundHighPassFilter(0.999835);
             audio_high_pass_filter_440 = new SoundHighPassFilter(0.996039);
-            audio_dc_blocker_filter = new SoundDCBlockerFilter(0.995);
             apu_update_playback_func = APUUpdatePlaybackWithFilters;
         }