From 03398d037d51fda5bdcbb820fde9361de0ca7074 Mon Sep 17 00:00:00 2001
From: libretroadmin <reallibretroretroarch@gmail.com>
Date: Tue, 19 Jul 2022 19:43:16 +0200
Subject: [PATCH] Remove unused SoundEnvelopeHeightReading

---
 src/memmap.c | 10 ----------
 src/snes9x.h |  2 --
 2 files changed, 12 deletions(-)

diff --git a/src/memmap.c b/src/memmap.c
index ca5f606..a66a5e6 100644
--- a/src/memmap.c
+++ b/src/memmap.c
@@ -475,14 +475,6 @@ again:
             "ROM image is in interleaved format - converting...");
 
       nblocks = Memory.CalculatedSize >> 16;
-#if 0
-      int step = 64;
-
-      while (nblocks <= step)
-         step >>= 1;
-
-      nblocks = step;
-#endif
 
       if (Tales)
       {
@@ -2402,8 +2394,6 @@ void ApplyROMFixes ()
 	}
     }
 
-    if (strcmp (Memory.ROMName, "FURAI NO SIREN") == 0)
-	SNESGameFixes.SoundEnvelopeHeightReading2 = TRUE;
 #if 0
     if(strcmp (ROMName, "XBAND JAPANESE MODEM") == 0)
     {
diff --git a/src/snes9x.h b/src/snes9x.h
index e458c20..8e642c6 100644
--- a/src/snes9x.h
+++ b/src/snes9x.h
@@ -306,7 +306,6 @@ typedef struct
    bool8  SixteenBitSound;
    int    SoundBufferSize;
    int    SoundMixInterval;
-   bool8  SoundEnvelopeHeightReading;
    bool8  DisableSoundEcho;
    bool8  DisableSampleCaching;
    bool8  DisableMasterVolume;
@@ -365,7 +364,6 @@ typedef struct
    uint8 Old_Read0x4200;
    uint8 _0x213E_ReturnValue;
    uint8 TouhaidenControllerFix;
-   uint8 SoundEnvelopeHeightReading2;
    uint8 SRAMInitialValue;
    uint8 Uniracers;
    uint8 Flintstones;