diff --git a/src/main/java/funorb/audio/AudioSampleData_idk.java b/src/main/java/funorb/audio/AudioSampleData_idk.java
index 80f0eff..ace2fc7 100644
--- a/src/main/java/funorb/audio/AudioSampleData_idk.java
+++ b/src/main/java/funorb/audio/AudioSampleData_idk.java
@@ -1,22 +1,28 @@
 package funorb.audio;
 
 public final class AudioSampleData_idk {
-  public final int _k;
-  public final int _l;
+  public final int loopEnd_idfk;
+  public final int loopStart_idfk;
   public final int sampleRate;
   public final byte[] data;
-  public final boolean _i;
+  public final boolean isLooped_idk;
   public int _h;
 
-  public AudioSampleData_idk(final byte[] data, final int var3, final int var4) {
-    this(SampledAudioChannel.SAMPLES_PER_SECOND, data, var3, var4, false);
+  public AudioSampleData_idk(final byte[] data, final int loopStart, final int loopEnd) {
+    this(SampledAudioChannel.SAMPLES_PER_SECOND, data, loopStart, loopEnd, false);
   }
 
-  public AudioSampleData_idk(final int sampleRate, final byte[] data, final int var3, final int var4, final boolean var5) {
+  public AudioSampleData_idk(
+    final int sampleRate,
+    final byte[] data,
+    final int loopStart,
+    final int loopEnd,
+    final boolean isLooped
+  ) {
     this.sampleRate = sampleRate;
     this.data = data;
-    this._l = var3;
-    this._k = var4;
-    this._i = var5;
+    this.loopStart_idfk = loopStart;
+    this.loopEnd_idfk = loopEnd;
+    this.isLooped_idk = isLooped;
   }
 }
diff --git a/src/main/java/funorb/audio/AudioSamplePlayback_idk.java b/src/main/java/funorb/audio/AudioSamplePlayback_idk.java
index a502c76..11a1d31 100644
--- a/src/main/java/funorb/audio/AudioSamplePlayback_idk.java
+++ b/src/main/java/funorb/audio/AudioSamplePlayback_idk.java
@@ -14,7 +14,7 @@ public final class AudioSamplePlayback_idk extends AudioSource_idk {
   private int volActualX;
   private int ampRateR;
   private int ampRateL;
-  private int playhead;
+  private int playhead; // sample data index << 8
   private int volX;
   private int volDeltaX;
   private int loopDirection_idk;
@@ -24,9 +24,9 @@ public final class AudioSamplePlayback_idk extends AudioSource_idk {
 
   private AudioSamplePlayback_idk(final AudioSampleData_idk var1, final int pitchX, final int volX, final int panX) {
     this.sampleData = var1;
-    this.loopStart_idfk = var1._l;
-    this.loopEnd_idfk = var1._k;
-    this._o = var1._i;
+    this.loopStart_idfk = var1.loopStart_idfk;
+    this.loopEnd_idfk = var1.loopEnd_idfk;
+    this._o = var1.isLooped_idk;
     this.pitchX = pitchX;
     this.volX = volX;
     this.panX = panX;
@@ -528,25 +528,23 @@ public final class AudioSamplePlayback_idk extends AudioSource_idk {
     }
   }
 
-  public synchronized int getVolume() {
+  public synchronized int getVolX() {
     return this.volX == Integer.MIN_VALUE ? 0 : this.volX;
   }
 
-  public synchronized void a093(final int var1, final int var2) {
-    this.a326(var1, var2, this.panClampedX());
+  public synchronized void a093(final int var1, final int volX) {
+    this.a326(var1, volX, this.getPanX());
   }
 
-  public synchronized void h150(int var1) {
-    final int var2 = this.sampleData.data.length << 8;
-    if (var1 < -1) {
-      var1 = -1;
+  public synchronized void setPlayhead(int playhead) {
+    final int maxPlayhead = this.sampleData.data.length << 8;
+    if (playhead < -1) {
+      playhead = -1;
     }
-
-    if (var1 > var2) {
-      var1 = var2;
+    if (playhead > maxPlayhead) {
+      playhead = maxPlayhead;
     }
-
-    this.playhead = var1;
+    this.playhead = playhead;
   }
 
   public synchronized void g150(int var1) {
@@ -746,7 +744,7 @@ public final class AudioSamplePlayback_idk extends AudioSource_idk {
     }
   }
 
-  public synchronized boolean g801() {
+  public synchronized boolean isPlayheadOutOfBounds() {
     return this.playhead < 0 || this.playhead >= this.sampleData.data.length << 8;
   }
 
@@ -1018,7 +1016,7 @@ public final class AudioSamplePlayback_idk extends AudioSource_idk {
 
   }
 
-  public synchronized int f784() {
+  public synchronized int getPitchX() {
     return this.pitchX < 0 ? -this.pitchX : this.pitchX;
   }
 
@@ -1125,12 +1123,12 @@ public final class AudioSamplePlayback_idk extends AudioSource_idk {
     }
   }
 
-  public synchronized int panClampedX() {
+  public synchronized int getPanX() {
     return this.panX < 0 ? -1 : this.panX;
   }
 
   public synchronized void setVolume(final int volume) {
-    this.setVolAndPanX(volume, this.panClampedX());
+    this.setVolAndPanX(volume, this.getPanX());
   }
 
   public synchronized void f150() {
diff --git a/src/main/java/funorb/audio/MidiPlayer.java b/src/main/java/funorb/audio/MidiPlayer.java
index 14cc212..f0a7d0a 100644
--- a/src/main/java/funorb/audio/MidiPlayer.java
+++ b/src/main/java/funorb/audio/MidiPlayer.java
@@ -8,6 +8,8 @@ import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
 
+// "play time" has units of tick-microseconds per quarter note, i.e. it has an extra factor of ticks per
+// quarter note in it, which is constant for any given song
 public final class MidiPlayer extends AudioSource_idk {
   private static final double PHASE_512_TO_RADIANS = 0.01227184630308513D;
 
@@ -36,26 +38,26 @@ public final class MidiPlayer extends AudioSource_idk {
   public final int[] _u = new int[16];
   private int volume = 256;
   private final MidiPlayerNoteState_idk[][] noteOffStates_idk = new MidiPlayerNoteState_idk[16][128];
-  private int _M = 1000000;
+  private int microsecondsPerSecond = 1000000;
   private final int[] chExpression = new int[16];
   private int trackWithSoonestEvent;
-  private long _O;
+  private long lastBufferPlayTime;
   private int nextEventTicks;
   private long currentPlayTime;
-  private boolean _v;
-  private SongData _z;
+  private boolean looped;
+  private SongData songData;
 
   public MidiPlayer() {
     this.instruments = new HashMap<>();
     this.a679();
-    this.handleMidiMetaEvent(true);
+    this.handleReset(true);
   }
 
   @SuppressWarnings("CopyConstructorMissesField")
   public MidiPlayer(final MidiPlayer copyInstruments) {
     this.instruments = copyInstruments.instruments;
     this.a679();
-    this.handleMidiMetaEvent(true);
+    this.handleReset(true);
   }
 
   private static MidiInstrument loadInstrument(final ResourceLoader loader, final int instrumentId) {
@@ -64,7 +66,7 @@ public final class MidiPlayer extends AudioSource_idk {
   }
 
   public synchronized void e150() {
-    this.b430(true);
+    this.reset(true);
   }
 
   private void handlePitchWheel(final int channel, final int value) {
@@ -108,9 +110,9 @@ public final class MidiPlayer extends AudioSource_idk {
     }
   }
 
-  private void handleAllNotesOff(final int var1) {
+  private void handleAllNotesOff(final int channel) {
     for (final MidiPlayerNoteState_idk state : this.noteSet.notes) {
-      if ((var1 < 0 || state.channel == var1) && state.notePlaying_idfk < 0) {
+      if ((channel < 0 || state.channel == channel) && state.notePlaying_idfk < 0) {
         this.noteStates[state.channel][state.note] = null;
         state.notePlaying_idfk = 0;
       }
@@ -130,7 +132,7 @@ public final class MidiPlayer extends AudioSource_idk {
   }
 
   public synchronized void c430() {
-    this._M = 1000000;
+    this.microsecondsPerSecond = 1000000;
   }
 
   public synchronized void a679() {
@@ -170,21 +172,21 @@ public final class MidiPlayer extends AudioSource_idk {
   @Override
   public synchronized void processAndWrite(final int[] dest, int offset, int len) {
     if (this.midiReader.isLoaded()) {
-      final int var4 = this.midiReader.ticksPerQuarterNote * this._M / SampledAudioChannel.SAMPLES_PER_SECOND;
+      final int var4 = this.midiReader.ticksPerQuarterNote * this.microsecondsPerSecond / SampledAudioChannel.SAMPLES_PER_SECOND;
 
       do {
-        final long var5 = this._O + (long) len * (long) var4;
+        final long var5 = this.lastBufferPlayTime + (long) len * (long) var4;
         if (this.currentPlayTime - var5 >= 0L) {
-          this._O = var5;
+          this.lastBufferPlayTime = var5;
           break;
         }
 
-        final int var7 = (int) ((-this._O + (this.currentPlayTime - (-((long) var4) + 1L))) / (long) var4);
-        this._O += (long) var7 * (long) var4;
+        final int var7 = (int) ((-this.lastBufferPlayTime + (this.currentPlayTime - (-((long) var4) + 1L))) / (long) var4);
+        this.lastBufferPlayTime += (long) var7 * (long) var4;
         this.noteSet.processAndWrite(dest, offset, var7);
         offset += var7;
         len -= var7;
-        this.a423();
+        this.pumpEvents();
       } while (this.midiReader.isLoaded());
     }
 
@@ -194,20 +196,20 @@ public final class MidiPlayer extends AudioSource_idk {
   @Override
   public synchronized void processAndDiscard(int len) {
     if (this.midiReader.isLoaded()) {
-      final int var2 = this.midiReader.ticksPerQuarterNote * this._M / SampledAudioChannel.SAMPLES_PER_SECOND;
+      final int samplesToPlayTime = this.midiReader.ticksPerQuarterNote * this.microsecondsPerSecond / SampledAudioChannel.SAMPLES_PER_SECOND;
 
       do {
-        final long var3 = (long) len * (long) var2 + this._O;
-        if (this.currentPlayTime - var3 >= 0L) {
-          this._O = var3;
+        final long bufferPlayTime = (long) len * (long) samplesToPlayTime + this.lastBufferPlayTime;
+        if (this.currentPlayTime - bufferPlayTime >= 0L) {
+          this.lastBufferPlayTime = bufferPlayTime;
           break;
         }
 
-        final int var5 = (int) ((-1L - this._O + this.currentPlayTime + (long) var2) / (long) var2);
-        this._O += (long) var5 * (long) var2;
+        final int var5 = (int) ((-1L - this.lastBufferPlayTime + this.currentPlayTime + (long) samplesToPlayTime) / (long) samplesToPlayTime);
+        this.lastBufferPlayTime += (long) var5 * (long) samplesToPlayTime;
         this.noteSet.processAndDiscard(var5);
         len -= var5;
-        this.a423();
+        this.pumpEvents();
       } while (this.midiReader.isLoaded());
     }
 
@@ -219,10 +221,10 @@ public final class MidiPlayer extends AudioSource_idk {
     this.volume = volume;
   }
 
-  private synchronized void b430(final boolean var2) {
+  private synchronized void reset(final boolean doSoundOff) {
     this.midiReader.unload();
-    this._z = null;
-    this.handleMidiMetaEvent(var2);
+    this.songData = null;
+    this.handleReset(doSoundOff);
   }
 
   private void handleAllSoundOff(final int channel) {
@@ -256,8 +258,8 @@ public final class MidiPlayer extends AudioSource_idk {
     }
   }
 
-  public synchronized void a077(final SongData var1, final boolean var3) {
-    this.a918(var3, var1, true);
+  public synchronized void a077(final SongData songData, final boolean looped) {
+    this.changeSong(looped, songData, true);
   }
 
   private void handleResetAllControllers(int channel) {
@@ -283,8 +285,8 @@ public final class MidiPlayer extends AudioSource_idk {
     }
   }
 
-  private void handleMidiMetaEvent(final boolean var2) {
-    if (var2) {
+  private void handleReset(final boolean doSoundOff) {
+    if (doSoundOff) {
       this.handleAllSoundOff(-1);
     } else {
       this.handleAllNotesOff(-1);
@@ -480,7 +482,7 @@ public final class MidiPlayer extends AudioSource_idk {
       }
       default: {
         if ((event & 255) == 255) {
-          this.handleMidiMetaEvent(true);
+          this.handleReset(true);
         }
         break;
       }
@@ -492,11 +494,11 @@ public final class MidiPlayer extends AudioSource_idk {
     return 0;
   }
 
-  private synchronized void a918(final boolean var1, final SongData songData, final boolean var4) {
-    this.b430(var4);
+  private synchronized void changeSong(final boolean looped, final SongData songData, final boolean doSoundOff) {
+    this.reset(doSoundOff);
     this.midiReader.load(songData.midiData);
-    this._v = var1;
-    this._O = 0L;
+    this.looped = looped;
+    this.lastBufferPlayTime = 0L;
     final int numTracks = this.midiReader.numTracks();
 
     for (int track = 0; track < numTracks; ++track) {
@@ -589,7 +591,7 @@ public final class MidiPlayer extends AudioSource_idk {
   @SuppressWarnings("BooleanMethodIsAlwaysInverted")
   public boolean a543(final int var1, final int[] var2, final MidiPlayerNoteState_idk var4, final int var5) {
     var4._p = SampledAudioChannel.SAMPLES_PER_SECOND / 100;
-    if (var4.notePlaying_idfk < 0 || var4.playback != null && !var4.playback.g801()) {
+    if (var4.notePlaying_idfk < 0 || var4.playback != null && !var4.playback.isPlayheadOutOfBounds()) {
       int var6 = var4._pitch_fac_2;
       if (var6 > 0) {
         var6 -= (int) (Math.pow(2.0D, (double) this.chPortaTime[var4.channel] * 4.921259842519685E-4D) * 16.0D + 0.5D);
@@ -703,14 +705,14 @@ public final class MidiPlayer extends AudioSource_idk {
       : 32 + note.pan_idk * midiPan >> 6;
   }
 
-  private void a423() {
+  private void pumpEvents() {
     int track = this.trackWithSoonestEvent;
     int ticks = this.nextEventTicks;
-    long var4 = this.currentPlayTime;
+    long playTime = this.currentPlayTime;
 
-    if (this._z != null && ticks == 0) {
-      this.a918(this._v, this._z, false);
-      this.a423();
+    if (this.songData != null && ticks == 0) {
+      this.changeSong(this.looped, this.songData, false);
+      this.pumpEvents();
     } else {
       while (ticks == this.nextEventTicks) {
         while (this.midiReader.trackNextTick[track] == ticks) {
@@ -721,19 +723,19 @@ public final class MidiPlayer extends AudioSource_idk {
             this.midiReader.resetCursor();
             this.midiReader.setTrackPlaybackPosToCursor(track);
             if (this.midiReader.allTracksStopped()) {
-              if (this._z != null) {
-                this.a077(this._z, this._v);
-                this.a423();
+              if (this.songData != null) {
+                this.a077(this.songData, this.looped);
+                this.pumpEvents();
                 return;
               }
 
-              if (!this._v || ticks == 0) {
-                this.handleMidiMetaEvent(true);
+              if (!this.looped || ticks == 0) {
+                this.handleReset(true);
                 this.midiReader.unload();
                 return;
               }
 
-              this.midiReader.resetPlayback(var4);
+              this.midiReader.resetPlayback(playTime);
             }
             break;
           }
@@ -748,13 +750,13 @@ public final class MidiPlayer extends AudioSource_idk {
 
         track = this.midiReader.trackWithSoonestNextTick();
         ticks = this.midiReader.trackNextTick[track];
-        var4 = this.midiReader.getPlayTime(ticks);
+        playTime = this.midiReader.getPlayTime(ticks);
       }
 
       this.trackWithSoonestEvent = track;
       this.nextEventTicks = ticks;
-      this.currentPlayTime = var4;
-      if (this._z != null && ticks > 0) {
+      this.currentPlayTime = playTime;
+      if (this.songData != null && ticks > 0) {
         this.trackWithSoonestEvent = -1;
         this.nextEventTicks = 0;
         this.currentPlayTime = this.midiReader.getPlayTime(this.nextEventTicks);
@@ -765,21 +767,21 @@ public final class MidiPlayer extends AudioSource_idk {
 
   public void a559(final MidiPlayerNoteState_idk note, final boolean var3) {
 
-    int var4 = note.sampleData.data.length;
-    int var5;
-    if (var3 && note.sampleData._i) {
-      final int var6 = -note.sampleData._l + var4 + var4;
-      var5 = (int) ((long) this.chGeneral1[note.channel] * (long) var6 >> 6);
-      var4 <<= 8;
-      if (var5 >= var4) {
+    int sampleLength = note.sampleData.data.length;
+    int playhead;
+    if (var3 && note.sampleData.isLooped_idk) {
+      final int var6 = -note.sampleData.loopStart_idfk + sampleLength + sampleLength;
+      playhead = (int) ((long) this.chGeneral1[note.channel] * (long) var6 >> 6);
+      sampleLength <<= 8;
+      if (playhead >= sampleLength) {
         note.playback.setPitchXNegAbs_idk();
-        var5 = -var5 + var4 + var4 - 1;
+        playhead = -playhead + sampleLength + sampleLength - 1;
       }
     } else {
-      var5 = (int) ((long) this.chGeneral1[note.channel] * (long) var4 >> 6);
+      playhead = (int) ((long) this.chGeneral1[note.channel] * (long) sampleLength >> 6);
     }
 
-    note.playback.h150(var5);
+    note.playback.setPlayhead(playhead);
   }
 
   private int calcVolumeX_idk(final MidiPlayerNoteState_idk note) {
diff --git a/src/main/java/funorb/audio/MidiPlayerNoteSet_idk.java b/src/main/java/funorb/audio/MidiPlayerNoteSet_idk.java
index 88deb01..471a080 100644
--- a/src/main/java/funorb/audio/MidiPlayerNoteSet_idk.java
+++ b/src/main/java/funorb/audio/MidiPlayerNoteSet_idk.java
@@ -73,75 +73,75 @@ public final class MidiPlayerNoteSet_idk extends AudioSource_idk {
 
   }
 
-  private void a222(final MidiPlayerNoteState_idk var2, int var3) {
-    if ((4 & this.midiPlayer.chFlags[var2.channel]) != 0 && var2.notePlaying_idfk < 0) {
-      final int var4 = this.midiPlayer._u[var2.channel] / SampledAudioChannel.SAMPLES_PER_SECOND;
-      final int var5 = (1048575 + var4 - var2._j) / var4;
-      var2._j = 1048575 & var2._j + var3 * var4;
-      if (var5 <= var3) {
-        if (this.midiPlayer.chGeneral1[var2.channel] == 0) {
-          var2.playback = AudioSamplePlayback_idk.start(var2.sampleData, var2.playback.f784(), var2.playback.getVolume(), var2.playback.panClampedX());
+  private void a222(final MidiPlayerNoteState_idk note, int totalLen) {
+    if ((MidiPlayer.FLAG_GENERAL_6 & this.midiPlayer.chFlags[note.channel]) != 0 && note.notePlaying_idfk < 0) {
+      final int var4 = this.midiPlayer._u[note.channel] / SampledAudioChannel.SAMPLES_PER_SECOND;
+      final int var5 = (1048575 + var4 - note._j) / var4;
+      note._j = 1048575 & note._j + totalLen * var4;
+      if (var5 <= totalLen) {
+        if (this.midiPlayer.chGeneral1[note.channel] == 0) {
+          note.playback = AudioSamplePlayback_idk.start(note.sampleData, note.playback.getPitchX(), note.playback.getVolX(), note.playback.getPanX());
         } else {
-          var2.playback = AudioSamplePlayback_idk.start(var2.sampleData, var2.playback.f784(), 0, var2.playback.panClampedX());
-          this.midiPlayer.a559(var2, var2.instrument.noteTuning_idk[var2.note] < 0);
+          note.playback = AudioSamplePlayback_idk.start(note.sampleData, note.playback.getPitchX(), 0, note.playback.getPanX());
+          this.midiPlayer.a559(note, note.instrument.noteTuning_idk[note.note] < 0);
         }
 
-        if (var2.instrument.noteTuning_idk[var2.note] < 0) {
-          assert var2.playback != null;
-          var2.playback.f150();
+        if (note.instrument.noteTuning_idk[note.note] < 0) {
+          assert note.playback != null;
+          note.playback.f150();
         }
 
-        var3 = var2._j / var4;
+        totalLen = note._j / var4;
       }
     }
 
-    assert var2.playback != null;
-    var2.playback.processAndDiscard(var3);
+    assert note.playback != null;
+    note.playback.processAndDiscard(totalLen);
   }
 
-  private void a829(final int[] var1, int var2, final MidiPlayerNoteState_idk var3, int var4, final int var6) {
-    if ((4 & this.midiPlayer.chFlags[var3.channel]) != 0 && var3.notePlaying_idfk < 0) {
-      final int var7 = this.midiPlayer._u[var3.channel] / SampledAudioChannel.SAMPLES_PER_SECOND;
+  private void a829(final int[] dest, int offset, final MidiPlayerNoteState_idk note, int totalLen, final int var6) {
+    if ((MidiPlayer.FLAG_GENERAL_6 & this.midiPlayer.chFlags[note.channel]) != 0 && note.notePlaying_idfk < 0) {
+      final int var7 = this.midiPlayer._u[note.channel] / SampledAudioChannel.SAMPLES_PER_SECOND;
 
       while (true) {
-        final int var8 = (-var3._j + 1048575 + var7) / var7;
-        if (var8 > var4) {
-          var3._j += var7 * var4;
+        final int len = (-note._j + 0xfffff + var7) / var7;
+        if (len > totalLen) {
+          note._j += var7 * totalLen;
           break;
         }
 
-        var3.playback.processAndWrite(var1, var2, var8);
-        var3._j += var8 * var7 - 1048576;
-        var2 += var8;
-        var4 -= var8;
+        note.playback.processAndWrite(dest, offset, len);
+        note._j += len * var7 - 0x100000;
+        offset += len;
+        totalLen -= len;
         int var9 = SampledAudioChannel.SAMPLES_PER_SECOND / 100;
-        final int var10 = 262144 / var7;
+        final int var10 = 0x40000 / var7;
         if (var10 < var9) {
           var9 = var10;
         }
 
-        final AudioSamplePlayback_idk var11 = var3.playback;
-        if (this.midiPlayer.chGeneral1[var3.channel] == 0) {
-          var3.playback = AudioSamplePlayback_idk.start(var3.sampleData, var11.f784(), var11.getVolume(), var11.panClampedX());
+        final AudioSamplePlayback_idk playback = note.playback;
+        if (this.midiPlayer.chGeneral1[note.channel] == 0) {
+          note.playback = AudioSamplePlayback_idk.start(note.sampleData, playback.getPitchX(), playback.getVolX(), playback.getPanX());
         } else {
-          var3.playback = AudioSamplePlayback_idk.start(var3.sampleData, var11.f784(), 0, var11.panClampedX());
-          this.midiPlayer.a559(var3, var3.instrument.noteTuning_idk[var3.note] < 0);
-          var3.playback.a093(var9, var11.getVolume());
+          note.playback = AudioSamplePlayback_idk.start(note.sampleData, playback.getPitchX(), 0, playback.getPanX());
+          this.midiPlayer.a559(note, note.instrument.noteTuning_idk[note.note] < 0);
+          note.playback.a093(var9, playback.getVolX());
         }
 
-        if (var3.instrument.noteTuning_idk[var3.note] < 0) {
-          assert var3.playback != null;
-          var3.playback.f150();
+        if (note.instrument.noteTuning_idk[note.note] < 0) {
+          assert note.playback != null;
+          note.playback.f150();
         }
 
-        var11.g150(var9);
-        var11.processAndWrite(var1, var2, var6 - var2);
-        if (var11.volDeltaNonZero()) {
-          this.sum.addFirst(var11);
+        playback.g150(var9);
+        playback.processAndWrite(dest, offset, var6 - offset);
+        if (playback.volDeltaNonZero()) {
+          this.sum.addFirst(playback);
         }
       }
     }
 
-    var3.playback.processAndWrite(var1, var2, var4);
+    note.playback.processAndWrite(dest, offset, totalLen);
   }
 }
diff --git a/src/main/java/funorb/audio/PlayingSound.java b/src/main/java/funorb/audio/PlayingSound.java
index 48436da..ea49d26 100644
--- a/src/main/java/funorb/audio/PlayingSound.java
+++ b/src/main/java/funorb/audio/PlayingSound.java
@@ -8,7 +8,7 @@ public final class PlayingSound {
 
   public PlayingSound(final AudioSamplePlayback_idk var1) {
     this._p = var1;
-    this.volume = var1.getVolume();
+    this.volume = var1.getVolX();
     this._p.setVolume((128 + (this.volume * Sounds.soundVolume)) >> 8);
   }
 
diff --git a/src/main/java/funorb/audio/fd_.java b/src/main/java/funorb/audio/SomeBufferReader_idk.java
similarity index 72%
rename from src/main/java/funorb/audio/fd_.java
rename to src/main/java/funorb/audio/SomeBufferReader_idk.java
index 970b245..62f99fa 100644
--- a/src/main/java/funorb/audio/fd_.java
+++ b/src/main/java/funorb/audio/SomeBufferReader_idk.java
@@ -7,7 +7,7 @@ import funorb.util.BitMath;
 import java.io.IOException;
 import java.util.stream.IntStream;
 
-public final class fd_ {
+public final class SomeBufferReader_idk {
   public static vb_[] _L;
   private static float[] _k;
   private static to_[] _o;
@@ -17,59 +17,58 @@ public final class fd_ {
   private static float[] _u;
   private static float[] _C;
   private static boolean _x = false;
-  private static byte[] _w;
+  private static byte[] buffer;
   private static float[] _z;
   private static boolean[] _t;
   private static float[] _y;
   private static float[] _j;
   private static int _r;
   private static float[] _l;
-  private static int _K;
+  private static int curBit;
   private static int[] _F;
   private static int _E;
   private static kn_[] _h;
-  private static int _p;
-  private int _q;
-  private int _G;
-  private boolean _I;
-  private int _H;
+  private static int curByte;
+  private int sampleLength;
+  private int loopEnd;
+  private boolean isLooped;
+  private int loopStart;
   private int _i;
   private int _s;
   private boolean _A;
-  private byte[][] _v;
+  private byte[][] sections;
   private int _M;
-  private int _B;
-  private byte[] _N;
+  private int sampleRate;
+  private byte[] sampleData;
   private float[] _n;
-  private int _m;
+  private int sectionIndex;
 
-  private fd_(final byte[] var1) throws IOException {
-    this.a604(var1);
+  private SomeBufferReader_idk(final byte[] data) throws IOException {
+    this.load(data);
   }
 
-  public static float d134(final int var0) {
-    int var1 = var0 & 2097151;
-    final int var2 = var0 & Integer.MIN_VALUE;
-    final int var3 = (var0 & 2145386496) >> 21;
-    if (var2 != 0) {
-      var1 = -var1;
+  public static float parseAsFloat(final int value) {
+    int significand = value & 0x1fffff;
+    final int sign = value & Integer.MIN_VALUE;
+    final int exponent = (value & 0x7fe00000) >> 21;
+    if (sign != 0) {
+      significand = -significand;
     }
-
-    return (float) ((double) var1 * Math.pow(2.0D, var3 - 788));
+    return (float) ((double) significand * Math.pow(2.0D, exponent - 788));
   }
 
-  public static int c784() {
-    final int var0 = _w[_p] >> _K & 1;
-    ++_K;
-    _p += _K >> 3;
-    _K &= 7;
-    return var0;
+  public static int readBit() {
+    final int bit = buffer[curByte] >> curBit & 1;
+    ++curBit;
+    curByte += curBit >> 3;
+    curBit &= 7;
+    return bit;
   }
 
-  public static void b604(final byte[] var0) {
-    a167(var0);
-    _E = 1 << a137(4);
-    _r = 1 << a137(4);
+  public static void b604(final byte[] section) {
+    setBuffer(section);
+    _E = 1 << readBits(4);
+    _r = 1 << readBits(4);
     _k = new float[_r];
 
     int var1;
@@ -104,7 +103,7 @@ public final class fd_ {
       }
 
       final int var10 = BitMath.lastSet(var5 - 1);
-      final int[] var15 = IntStream.range(0, var5).map(var11 -> a586js(var11, var10)).toArray();
+      final int[] var15 = IntStream.range(0, var5).map(var11 -> reverseBits(var11, var10)).toArray();
 
       if (var1 == 0) {
         _l = var6;
@@ -119,65 +118,65 @@ public final class fd_ {
       }
     }
 
-    var1 = a137(8) + 1;
+    var1 = readBits(8) + 1;
     _L = new vb_[var1];
 
     for (var2 = 0; var2 < var1; ++var2) {
       _L[var2] = new vb_();
     }
 
-    var2 = a137(6) + 1;
+    var2 = readBits(6) + 1;
 
     for (var3 = 0; var3 < var2; ++var3) {
-      a137(16);
+      readBits(16);
     }
 
-    var2 = a137(6) + 1;
+    var2 = readBits(6) + 1;
     _h = new kn_[var2];
 
     for (var3 = 0; var3 < var2; ++var3) {
       _h[var3] = new kn_();
     }
 
-    var3 = a137(6) + 1;
+    var3 = readBits(6) + 1;
     _o = new to_[var3];
 
     for (var4 = 0; var4 < var3; ++var4) {
       _o[var4] = new to_();
     }
 
-    var4 = a137(6) + 1;
+    var4 = readBits(6) + 1;
     _O = new fq_[var4];
 
     for (var5 = 0; var5 < var4; ++var5) {
       _O[var5] = new fq_();
     }
 
-    var5 = a137(6) + 1;
+    var5 = readBits(6) + 1;
     _t = new boolean[var5];
     _J = new int[var5];
 
     for (int var12 = 0; var12 < var5; ++var12) {
-      _t[var12] = c784() != 0;
-      a137(16);
-      a137(16);
-      _J[var12] = a137(8);
+      _t[var12] = readBit() != 0;
+      readBits(16);
+      readBits(16);
+      _J[var12] = readBits(8);
     }
 
     _x = true;
   }
 
   @SuppressWarnings("SameParameterValue")
-  public static fd_ a968(final ResourceLoader loader, final String group, final String item) {
+  public static SomeBufferReader_idk a968(final ResourceLoader loader, final String group, final String item) {
     if (a521(loader)) {
       final byte[] var3 = loader.getResource(group, item);
       if (var3 == null) {
         return null;
       } else {
-        fd_ var4 = null;
+        SomeBufferReader_idk var4 = null;
 
         try {
-          var4 = new fd_(var3);
+          var4 = new SomeBufferReader_idk(var3);
         } catch (final IOException var6) {
           var6.printStackTrace();
         }
@@ -190,58 +189,58 @@ public final class fd_ {
     }
   }
 
-  private static boolean a521(final ResourceLoader var0) {
+  private static boolean a521(final ResourceLoader loader) {
     if (!_x) {
-      final byte[] var1 = var0.getResource(0, 0);
-      if (var1 == null) {
+      final byte[] data = loader.getResource(0, 0);
+      if (data == null) {
         return false;
       }
 
-      b604(var1);
+      b604(data);
     }
 
     return true;
   }
 
-  private static void a167(final byte[] var0) {
-    _w = var0;
-    _p = 0;
-    _K = 0;
+  private static void setBuffer(final byte[] section) {
+    buffer = section;
+    curByte = 0;
+    curBit = 0;
   }
 
-  public static int a137(int var0) {
-    int var1 = 0;
+  public static int readBits(int numBits) {
+    int result = 0;
 
-    int var2;
-    int var3;
-    for (var2 = 0; var0 >= 8 - _K; var0 -= var3) {
-      var3 = 8 - _K;
-      final int var4 = (1 << var3) - 1;
-      var1 += (_w[_p] >> _K & var4) << var2;
-      _K = 0;
-      ++_p;
-      var2 += var3;
+    int bitsUsed;
+    int bitsLeft;
+    for (bitsUsed = 0; 8 - curBit <= numBits; numBits -= bitsLeft) {
+      bitsLeft = 8 - curBit;
+      final int mask = (1 << bitsLeft) - 1;
+      result += (buffer[curByte] >> curBit & mask) << bitsUsed;
+      curBit = 0;
+      ++curByte;
+      bitsUsed += bitsLeft;
     }
 
-    if (var0 > 0) {
-      var3 = (1 << var0) - 1;
-      var1 += (_w[_p] >> _K & var3) << var2;
-      _K += var0;
+    if (numBits > 0) {
+      bitsLeft = (1 << numBits) - 1;
+      result += (buffer[curByte] >> curBit & bitsLeft) << bitsUsed;
+      curBit += numBits;
     }
 
-    return var1;
+    return result;
   }
 
-  public static fd_ a740(final ResourceLoader var0, final int var1, final int var2) {
-    if (a521(var0)) {
-      final byte[] var3 = var0.getResource(var1, var2);
+  public static SomeBufferReader_idk a740(final ResourceLoader loader, final int groupId, final int itemId) {
+    if (a521(loader)) {
+      final byte[] var3 = loader.getResource(groupId, itemId);
       if (var3 == null) {
         return null;
       } else {
-        fd_ var4 = null;
+        SomeBufferReader_idk var4 = null;
 
         try {
-          var4 = new fd_(var3);
+          var4 = new SomeBufferReader_idk(var3);
         } catch (final IOException var6) {
           var6.printStackTrace();
         }
@@ -249,38 +248,37 @@ public final class fd_ {
         return var4;
       }
     } else {
-      var0.loadGroupDataForItem(var1, var2);
+      loader.loadGroupDataForItem(groupId, itemId);
       return null;
     }
   }
 
-  private static int a586js(int var0, int var1) {
-    int var2;
-    for (var2 = 0; var1 > 0; var0 >>>= 1) {
-      var2 = var2 << 1 | 1 & var0;
-      --var1;
+  private static int reverseBits(int value, int count) {
+    int i = 0;
+    for (; count > 0; --count) {
+      i = (i << 1) | (1 & value);
+      value >>>= 1;
     }
-
-    return var2;
+    return i;
   }
 
   public AudioSampleData_idk a582() {
-    if (this._N == null) {
+    if (this.sampleData == null) {
       this._M = 0;
       this._n = new float[_r];
-      this._N = new byte[this._q];
+      this.sampleData = new byte[this.sampleLength];
       this._s = 0;
-      this._m = 0;
+      this.sectionIndex = 0;
     }
 
-    for (; this._m < this._v.length; ++this._m) {
+    for (; this.sectionIndex < this.sections.length; ++this.sectionIndex) {
 
-      final float[] var2 = this.e875(this._m);
+      final float[] var2 = this.e875(this.sectionIndex);
       if (var2 != null) {
         int var3 = this._s;
         int var4 = var2.length;
-        if (var4 > this._q - var3) {
-          var4 = this._q - var3;
+        if (var4 > this.sampleLength - var3) {
+          var4 = this.sampleLength - var3;
         }
 
         for (int var5 = 0; var5 < var4; ++var5) {
@@ -289,7 +287,7 @@ public final class fd_ {
             var6 = ~var6 >> 31;
           }
 
-          this._N[var3++] = (byte) (var6 - 128);
+          this.sampleData[var3++] = (byte) (var6 - 128);
         }
 
         this._s = var3;
@@ -297,22 +295,22 @@ public final class fd_ {
     }
 
     this._n = null;
-    final byte[] var7 = this._N;
-    this._N = null;
-    return new AudioSampleData_idk(this._B, var7, this._H, this._G, this._I);
+    final byte[] sampleData = this.sampleData;
+    this.sampleData = null;
+    return new AudioSampleData_idk(this.sampleRate, sampleData, this.loopStart, this.loopEnd, this.isLooped);
   }
 
-  private float[] e875(final int var1) {
-    a167(this._v[var1]);
-    c784();
-    final int var2 = a137(BitMath.lastSet(_J.length - 1));
+  private float[] e875(final int sectionIndex) {
+    setBuffer(this.sections[sectionIndex]);
+    readBit();
+    final int var2 = readBits(BitMath.lastSet(_J.length - 1));
     final boolean var3 = _t[var2];
     final int var4 = var3 ? _r : _E;
     boolean var5 = false;
     boolean var6 = false;
     if (var3) {
-      var5 = c784() != 0;
-      var6 = c784() != 0;
+      var5 = readBit() != 0;
+      var6 = readBit() != 0;
     }
 
     final int var7 = var4 >> 1;
@@ -554,35 +552,35 @@ public final class fd_ {
     return var43;
   }
 
-  private void a604(final byte[] var1) throws IOException {
-    final Buffer var2 = new Buffer(var1);
-    this._B = var2.readInt();
-    this._q = var2.readInt();
-    this._H = var2.readInt();
-    this._G = var2.readInt();
-    if (this._G < 0) {
-      this._G = ~this._G;
-      this._I = true;
+  private void load(final byte[] data) throws IOException {
+    final Buffer buf = new Buffer(data);
+    this.sampleRate = buf.readInt();
+    this.sampleLength = buf.readInt();
+    this.loopStart = buf.readInt();
+    this.loopEnd = buf.readInt();
+    if (this.loopEnd < 0) {
+      this.loopEnd = ~this.loopEnd;
+      this.isLooped = true;
     }
 
-    final int var3 = var2.readInt();
-    if (var3 < 0) {
+    final int count = buf.readInt();
+    if (count < 0) {
       throw new IOException();
     } else {
-      this._v = new byte[var3][];
+      this.sections = new byte[count][];
 
-      for (int var4 = 0; var4 < var3; ++var4) {
-        int var5 = 0;
+      for (int i = 0; i < count; ++i) {
+        int total = 0;
 
-        int var6;
+        int x;
         do {
-          var6 = var2.readUByte();
-          var5 += var6;
-        } while (var6 >= 255);
+          x = buf.readUByte();
+          total += x;
+        } while (x >= 255);
 
-        final byte[] var7 = new byte[var5];
-        var2.readBytes(var7, var5);
-        this._v[var4] = var7;
+        final byte[] section = new byte[total];
+        buf.readBytes(section, total);
+        this.sections[i] = section;
       }
 
     }
@@ -591,8 +589,8 @@ public final class fd_ {
   public void b720() {
     this._M = 0;
     this._n = new float[_r];
-    for (int var3 = 0; var3 < this._v.length; ++var3) {
-      this.e875(var3);
+    for (int i = 0; i < this.sections.length; ++i) {
+      this.e875(i);
     }
   }
 }
diff --git a/src/main/java/funorb/audio/SoundLoader.java b/src/main/java/funorb/audio/SoundLoader.java
index 853acad..a63a90c 100644
--- a/src/main/java/funorb/audio/SoundLoader.java
+++ b/src/main/java/funorb/audio/SoundLoader.java
@@ -7,7 +7,7 @@ import java.util.Map;
 
 public final class SoundLoader {
   public static SoundLoader globalLoader;
-  private final Map<Long, fd_> _a = new HashMap<>();
+  private final Map<Long, SomeBufferReader_idk> _a = new HashMap<>();
   private final Map<Long, AudioSampleData_idk> _d = new HashMap<>();
   private final ResourceLoader loader1;
   private final ResourceLoader loader2;
@@ -59,9 +59,9 @@ public final class SoundLoader {
     final long var6 = 0x100000000L ^ (long) var5;
     AudioSampleData_idk var8 = this._d.get(var6);
     if (var8 == null) {
-      fd_ var9 = this._a.get(var6);
+      SomeBufferReader_idk var9 = this._a.get(var6);
       if (var9 == null) {
-        var9 = fd_.a740(this.loader2, var3, var2);
+        var9 = SomeBufferReader_idk.a740(this.loader2, var3, var2);
         if (var9 == null) {
           return null;
         }
diff --git a/src/main/java/funorb/audio/fq_.java b/src/main/java/funorb/audio/fq_.java
index c4d572e..8572837 100644
--- a/src/main/java/funorb/audio/fq_.java
+++ b/src/main/java/funorb/audio/fq_.java
@@ -7,24 +7,24 @@ public final class fq_ {
   public int _d;
 
   public fq_() {
-    fd_.a137(16);
-    this._c = fd_.c784() != 0 ? fd_.a137(4) + 1 : 1;
-    if (fd_.c784() != 0) {
-      fd_.a137(8);
+    SomeBufferReader_idk.readBits(16);
+    this._c = SomeBufferReader_idk.readBit() != 0 ? SomeBufferReader_idk.readBits(4) + 1 : 1;
+    if (SomeBufferReader_idk.readBit() != 0) {
+      SomeBufferReader_idk.readBits(8);
     }
 
-    fd_.a137(2);
+    SomeBufferReader_idk.readBits(2);
     if (this._c > 1) {
-      this._d = fd_.a137(4);
+      this._d = SomeBufferReader_idk.readBits(4);
     }
 
     this._b = new int[this._c];
     this._a = new int[this._c];
 
     for (int var1 = 0; var1 < this._c; ++var1) {
-      fd_.a137(8);
-      this._b[var1] = fd_.a137(8);
-      this._a[var1] = fd_.a137(8);
+      SomeBufferReader_idk.readBits(8);
+      this._b[var1] = SomeBufferReader_idk.readBits(8);
+      this._a[var1] = SomeBufferReader_idk.readBits(8);
     }
 
   }
diff --git a/src/main/java/funorb/audio/h_.java b/src/main/java/funorb/audio/h_.java
index 0596250..4f1d96b 100644
--- a/src/main/java/funorb/audio/h_.java
+++ b/src/main/java/funorb/audio/h_.java
@@ -207,7 +207,7 @@ public final class h_ extends AudioSource_idk {
         } else if (this.song1 == null) {
           var7 = false;
         } else {
-          var7 = this.crossfade < 524288;
+          var7 = this.crossfade < 0x80000;
         }
 
         if (var7) {
diff --git a/src/main/java/funorb/audio/kn_.java b/src/main/java/funorb/audio/kn_.java
index 1654e12..d793859 100644
--- a/src/main/java/funorb/audio/kn_.java
+++ b/src/main/java/funorb/audio/kn_.java
@@ -88,16 +88,16 @@ public final class kn_ {
   private final int[] _e;
 
   public kn_() {
-    final int var1 = fd_.a137(16);
+    final int var1 = SomeBufferReader_idk.readBits(16);
     if (var1 == 1) {
-      final int var2 = fd_.a137(5);
+      final int var2 = SomeBufferReader_idk.readBits(5);
       int var3 = 0;
       this._l = new int[var2];
 
       int var4;
       int var5;
       for (var4 = 0; var4 < var2; ++var4) {
-        var5 = fd_.a137(4);
+        var5 = SomeBufferReader_idk.readBits(4);
         this._l[var4] = var5;
         if (var5 >= var3) {
           var3 = var5 + 1;
@@ -111,10 +111,10 @@ public final class kn_ {
 
       int var7;
       for (var4 = 0; var4 < var3; ++var4) {
-        this._e[var4] = fd_.a137(3) + 1;
-        var5 = this._c[var4] = fd_.a137(2);
+        this._e[var4] = SomeBufferReader_idk.readBits(3) + 1;
+        var5 = this._c[var4] = SomeBufferReader_idk.readBits(2);
         if (var5 != 0) {
-          this._h[var4] = fd_.a137(8);
+          this._h[var4] = SomeBufferReader_idk.readBits(8);
         }
 
         var5 = 1 << var5;
@@ -122,12 +122,12 @@ public final class kn_ {
         this._k[var4] = var6;
 
         for (var7 = 0; var7 < var5; ++var7) {
-          var6[var7] = fd_.a137(8) - 1;
+          var6[var7] = SomeBufferReader_idk.readBits(8) - 1;
         }
       }
 
-      this._b = fd_.a137(2) + 1;
-      var4 = fd_.a137(4);
+      this._b = SomeBufferReader_idk.readBits(2) + 1;
+      var4 = SomeBufferReader_idk.readBits(4);
       var5 = 2;
 
       int var9;
@@ -144,7 +144,7 @@ public final class kn_ {
         var7 = this._l[var9];
 
         for (int var8 = 0; var8 < this._e[var7]; ++var8) {
-          this._f[var5++] = fd_.a137(var4);
+          this._f[var5++] = SomeBufferReader_idk.readBits(var4);
         }
       }
 
@@ -192,7 +192,7 @@ public final class kn_ {
   }
 
   public boolean b801() {
-    final boolean var1 = fd_.c784() != 0;
+    final boolean var1 = SomeBufferReader_idk.readBit() != 0;
     if (var1) {
       final int var2 = this._f.length;
 
@@ -203,8 +203,8 @@ public final class kn_ {
 
       var3 = _a[this._b - 1];
       final int var4 = BitMath.lastSet(var3 - 1);
-      _i[0] = fd_.a137(var4);
-      _i[1] = fd_.a137(var4);
+      _i[0] = SomeBufferReader_idk.readBits(var4);
+      _i[1] = SomeBufferReader_idk.readBits(var4);
       int var5 = 2;
 
       for (final int var7 : this._l) {
@@ -213,13 +213,13 @@ public final class kn_ {
         final int var10 = (1 << var9) - 1;
         int var11 = 0;
         if (var9 > 0) {
-          var11 = fd_._L[this._h[var7]].a784();
+          var11 = SomeBufferReader_idk._L[this._h[var7]].a784();
         }
 
         for (int var12 = 0; var12 < var8; ++var12) {
           final int var13 = this._k[var7][var11 & var10];
           var11 >>>= var9;
-          _i[var5++] = var13 >= 0 ? fd_._L[var13].a784() : 0;
+          _i[var5++] = var13 >= 0 ? SomeBufferReader_idk._L[var13].a784() : 0;
         }
       }
 
diff --git a/src/main/java/funorb/audio/to_.java b/src/main/java/funorb/audio/to_.java
index 1629f93..5319a78 100644
--- a/src/main/java/funorb/audio/to_.java
+++ b/src/main/java/funorb/audio/to_.java
@@ -2,23 +2,30 @@ package funorb.audio;
 
 public final class to_ {
   private final int[] _e;
-  private final int _c = fd_.a137(16);
-  private final int _g = fd_.a137(24);
-  private final int _d = fd_.a137(24);
-  private final int _b = fd_.a137(24) + 1;
-  private final int _a = fd_.a137(6) + 1;
-  private final int _f = fd_.a137(8);
+  private final int _c;
+  private final int _g;
+  private final int _d;
+  private final int _b;
+  private final int _a;
+  private final int _f;
 
   public to_() {
+    this._c = SomeBufferReader_idk.readBits(16);
+    this._g = SomeBufferReader_idk.readBits(24);
+    this._d = SomeBufferReader_idk.readBits(24);
+    this._b = SomeBufferReader_idk.readBits(24) + 1;
+    this._a = SomeBufferReader_idk.readBits(6) + 1;
+    this._f = SomeBufferReader_idk.readBits(8);
+
     final int[] var1 = new int[this._a];
 
     int var2;
     for (var2 = 0; var2 < this._a; ++var2) {
       int var3 = 0;
-      final int var4 = fd_.a137(3);
-      final boolean var5 = fd_.c784() != 0;
+      final int var4 = SomeBufferReader_idk.readBits(3);
+      final boolean var5 = SomeBufferReader_idk.readBit() != 0;
       if (var5) {
-        var3 = fd_.a137(5);
+        var3 = SomeBufferReader_idk.readBits(5);
       }
 
       var1[var2] = var3 << 3 | var4;
@@ -27,7 +34,7 @@ public final class to_ {
     this._e = new int[this._a * 8];
 
     for (var2 = 0; var2 < this._a * 8; ++var2) {
-      this._e[var2] = (var1[var2 >> 3] & 1 << (var2 & 7)) != 0 ? fd_.a137(8) : -1;
+      this._e[var2] = (var1[var2 >> 3] & 1 << (var2 & 7)) != 0 ? SomeBufferReader_idk.readBits(8) : -1;
     }
 
   }
@@ -39,7 +46,7 @@ public final class to_ {
     }
 
     if (!var3) {
-      var4 = fd_._L[this._f]._a;
+      var4 = SomeBufferReader_idk._L[this._f]._a;
       final int var5 = this._d - this._g;
       final int var6 = var5 / this._b;
       final int[] var7 = new int[var6];
@@ -51,7 +58,7 @@ public final class to_ {
           int var10;
           int var11;
           if (var8 == 0) {
-            var10 = fd_._L[this._f].a784();
+            var10 = SomeBufferReader_idk._L[this._f].a784();
 
             for (var11 = var4 - 1; var11 >= 0; --var11) {
               if (var9 + var11 < var6) {
@@ -67,7 +74,7 @@ public final class to_ {
             final int var12 = this._e[var11 * 8 + var8];
             if (var12 >= 0) {
               final int var13 = this._g + var9 * this._b;
-              final vb_ var14 = fd_._L[var12];
+              final vb_ var14 = SomeBufferReader_idk._L[var12];
               int var15;
               if (this._c == 0) {
                 var15 = this._b / var14._a;
diff --git a/src/main/java/funorb/audio/vb_.java b/src/main/java/funorb/audio/vb_.java
index 4743845..9622248 100644
--- a/src/main/java/funorb/audio/vb_.java
+++ b/src/main/java/funorb/audio/vb_.java
@@ -10,43 +10,43 @@ public final class vb_ {
   private int[] _f;
 
   public vb_() {
-    fd_.a137(24);
-    this._a = fd_.a137(16);
-    this._c = fd_.a137(24);
+    SomeBufferReader_idk.readBits(24);
+    this._a = SomeBufferReader_idk.readBits(16);
+    this._c = SomeBufferReader_idk.readBits(24);
     this._b = new int[this._c];
-    final boolean var1 = fd_.c784() != 0;
+    final boolean var1 = SomeBufferReader_idk.readBit() != 0;
     int var2;
     int var3;
     int var5;
     if (var1) {
       var2 = 0;
 
-      for (var3 = fd_.a137(5) + 1; var2 < this._c; ++var3) {
-        final int var4 = fd_.a137(BitMath.lastSet(this._c - var2));
+      for (var3 = SomeBufferReader_idk.readBits(5) + 1; var2 < this._c; ++var3) {
+        final int var4 = SomeBufferReader_idk.readBits(BitMath.lastSet(this._c - var2));
 
         for (var5 = 0; var5 < var4; ++var5) {
           this._b[var2++] = var3;
         }
       }
     } else {
-      final boolean var14 = fd_.c784() != 0;
+      final boolean var14 = SomeBufferReader_idk.readBit() != 0;
 
       for (var3 = 0; var3 < this._c; ++var3) {
-        if (var14 && fd_.c784() == 0) {
+        if (var14 && SomeBufferReader_idk.readBit() == 0) {
           this._b[var3] = 0;
         } else {
-          this._b[var3] = fd_.a137(5) + 1;
+          this._b[var3] = SomeBufferReader_idk.readBits(5) + 1;
         }
       }
     }
 
     this.b797();
-    var2 = fd_.a137(4);
+    var2 = SomeBufferReader_idk.readBits(4);
     if (var2 > 0) {
-      final float var15 = fd_.d134(fd_.a137(32));
-      final float var16 = fd_.d134(fd_.a137(32));
-      var5 = fd_.a137(4) + 1;
-      final boolean var6 = fd_.c784() != 0;
+      final float var15 = SomeBufferReader_idk.parseAsFloat(SomeBufferReader_idk.readBits(32));
+      final float var16 = SomeBufferReader_idk.parseAsFloat(SomeBufferReader_idk.readBits(32));
+      var5 = SomeBufferReader_idk.readBits(4) + 1;
+      final boolean var6 = SomeBufferReader_idk.readBit() != 0;
       final int var7;
       if (var2 == 1) {
         var7 = a080(this._c, this._a);
@@ -58,7 +58,7 @@ public final class vb_ {
 
       int var8;
       for (var8 = 0; var8 < var7; ++var8) {
-        _e[var8] = fd_.a137(var5);
+        _e[var8] = SomeBufferReader_idk.readBits(var5);
       }
 
       this._d = new float[this._c][this._a];
@@ -133,7 +133,7 @@ public final class vb_ {
   public int a784() {
     int var1 = 0;
     while (this._f[var1] >= 0) {
-      var1 = fd_.c784() != 0 ? this._f[var1] : var1 + 1;
+      var1 = SomeBufferReader_idk.readBit() != 0 ? this._f[var1] : var1 + 1;
     }
     return ~this._f[var1];
   }
diff --git a/src/main/java/funorb/client/intro/JagexLogoIntroAnimation.java b/src/main/java/funorb/client/intro/JagexLogoIntroAnimation.java
index ba3fbfb..da6b9b3 100644
--- a/src/main/java/funorb/client/intro/JagexLogoIntroAnimation.java
+++ b/src/main/java/funorb/client/intro/JagexLogoIntroAnimation.java
@@ -1,6 +1,6 @@
 package funorb.client.intro;
 
-import funorb.audio.fd_;
+import funorb.audio.SomeBufferReader_idk;
 import funorb.cache.ResourceLoader;
 import funorb.client.JagexBaseApplet;
 import funorb.graphics.Drawing;
@@ -57,8 +57,8 @@ public final class JagexLogoIntroAnimation {
   }
 
   private static void load1(final ResourceLoader loader) {
-    fd_.b604(loader.getResource("headers.packvorbis", ""));
-    final fd_ var2 = fd_.a968(loader, "jagex logo2.packvorbis", "");
+    SomeBufferReader_idk.b604(loader.getResource("headers.packvorbis", ""));
+    final SomeBufferReader_idk var2 = SomeBufferReader_idk.a968(loader, "jagex logo2.packvorbis", "");
     assert var2 != null;
     var2.b720();
   }