diff --git a/src/crab/gb/audio/abstract_channels.cr b/src/crab/gb/audio/abstract_channels.cr
index 1cd8a96..8b622b0 100644
--- a/src/crab/gb/audio/abstract_channels.cr
+++ b/src/crab/gb/audio/abstract_channels.cr
@@ -30,7 +30,7 @@ module GB
     end
 
     # Used so that channels can be matched with case..when statements
-    abstract def ===(value)
+    abstract def ===(other)
 
     # Calculate the frequency timer
     abstract def frequency_timer : UInt32
diff --git a/src/crab/gb/audio/channel1.cr b/src/crab/gb/audio/channel1.cr
index e603771..1794abc 100644
--- a/src/crab/gb/audio/channel1.cr
+++ b/src/crab/gb/audio/channel1.cr
@@ -9,8 +9,8 @@ module GB
 
     RANGE = 0xFF10..0xFF14
 
-    def ===(value) : Bool
-      value.is_a?(Int) && RANGE.includes?(value)
+    def ===(other) : Bool
+      other.is_a?(Int) && RANGE.includes?(other)
     end
 
     @wave_duty_position = 0
diff --git a/src/crab/gb/audio/channel2.cr b/src/crab/gb/audio/channel2.cr
index 5dde400..286863a 100644
--- a/src/crab/gb/audio/channel2.cr
+++ b/src/crab/gb/audio/channel2.cr
@@ -9,8 +9,8 @@ module GB
 
     RANGE = 0xFF16..0xFF19
 
-    def ===(value) : Bool
-      value.is_a?(Int) && RANGE.includes?(value)
+    def ===(other) : Bool
+      other.is_a?(Int) && RANGE.includes?(other)
     end
 
     @wave_duty_position = 0
diff --git a/src/crab/gb/audio/channel3.cr b/src/crab/gb/audio/channel3.cr
index 33ecd76..5d32a69 100644
--- a/src/crab/gb/audio/channel3.cr
+++ b/src/crab/gb/audio/channel3.cr
@@ -3,8 +3,8 @@ module GB
     RANGE          = 0xFF1A..0xFF1E
     WAVE_RAM_RANGE = 0xFF30..0xFF3F
 
-    def ===(value) : Bool
-      value.is_a?(Int) && RANGE.includes?(value) || WAVE_RAM_RANGE.includes?(value)
+    def ===(other) : Bool
+      other.is_a?(Int) && RANGE.includes?(other) || WAVE_RAM_RANGE.includes?(other)
     end
 
     @wave_ram = Bytes.new(WAVE_RAM_RANGE.size) { |idx| idx & 1 == 0 ? 0x00_u8 : 0xFF_u8 }
diff --git a/src/crab/gb/audio/channel4.cr b/src/crab/gb/audio/channel4.cr
index a052646..2a3059b 100644
--- a/src/crab/gb/audio/channel4.cr
+++ b/src/crab/gb/audio/channel4.cr
@@ -2,8 +2,8 @@ module GB
   class Channel4 < VolumeEnvelopeChannel
     RANGE = 0xFF20..0xFF23
 
-    def ===(value) : Bool
-      value.is_a?(Int) && RANGE.includes?(value)
+    def ===(other) : Bool
+      other.is_a?(Int) && RANGE.includes?(other)
     end
 
     @lfsr : UInt16 = 0x0000
diff --git a/src/crab/gba/apu/abstract_channels.cr b/src/crab/gba/apu/abstract_channels.cr
index c91b1a3..491fd02 100644
--- a/src/crab/gba/apu/abstract_channels.cr
+++ b/src/crab/gba/apu/abstract_channels.cr
@@ -30,7 +30,7 @@ module GBA
     end
 
     # Used so that channels can be matched with case..when statements
-    abstract def ===(value)
+    abstract def ===(other)
 
     # Calculate the frequency timer
     abstract def frequency_timer : UInt32
diff --git a/src/crab/gba/apu/channel1.cr b/src/crab/gba/apu/channel1.cr
index 139aff6..3ead9b7 100644
--- a/src/crab/gba/apu/channel1.cr
+++ b/src/crab/gba/apu/channel1.cr
@@ -9,8 +9,8 @@ module GBA
 
     RANGE = 0x60..0x67
 
-    def ===(value) : Bool
-      value.is_a?(Int) && RANGE.includes?(value)
+    def ===(other) : Bool
+      other.is_a?(Int) && RANGE.includes?(other)
     end
 
     @wave_duty_position = 0
diff --git a/src/crab/gba/apu/channel2.cr b/src/crab/gba/apu/channel2.cr
index 280c059..d467931 100644
--- a/src/crab/gba/apu/channel2.cr
+++ b/src/crab/gba/apu/channel2.cr
@@ -9,8 +9,8 @@ module GBA
 
     RANGE = 0x68..0x6F
 
-    def ===(value) : Bool
-      value.is_a?(Int) && RANGE.includes?(value)
+    def ===(other) : Bool
+      other.is_a?(Int) && RANGE.includes?(other)
     end
 
     @wave_duty_position = 0
diff --git a/src/crab/gba/apu/channel3.cr b/src/crab/gba/apu/channel3.cr
index 7c59841..d0f353c 100644
--- a/src/crab/gba/apu/channel3.cr
+++ b/src/crab/gba/apu/channel3.cr
@@ -3,8 +3,8 @@ module GBA
     RANGE          = 0x70..0x77
     WAVE_RAM_RANGE = 0x90..0x9F
 
-    def ===(value) : Bool
-      value.is_a?(Int) && RANGE.includes?(value) || WAVE_RAM_RANGE.includes?(value)
+    def ===(other) : Bool
+      other.is_a?(Int) && RANGE.includes?(other) || WAVE_RAM_RANGE.includes?(other)
     end
 
     @wave_ram = Array(Bytes).new 2, Bytes.new(WAVE_RAM_RANGE.size) { |idx| idx & 1 == 0 ? 0x00_u8 : 0xFF_u8 }
diff --git a/src/crab/gba/apu/channel4.cr b/src/crab/gba/apu/channel4.cr
index f6aabc5..c6b6681 100644
--- a/src/crab/gba/apu/channel4.cr
+++ b/src/crab/gba/apu/channel4.cr
@@ -2,8 +2,8 @@ module GBA
   class Channel4 < VolumeEnvelopeChannel
     RANGE = 0x78..0x7F
 
-    def ===(value) : Bool
-      value.is_a?(Int) && RANGE.includes?(value)
+    def ===(other) : Bool
+      other.is_a?(Int) && RANGE.includes?(other)
     end
 
     @lfsr : UInt16 = 0x0000
diff --git a/src/crab/gba/apu/dma_channels.cr b/src/crab/gba/apu/dma_channels.cr
index f8021c0..156769d 100644
--- a/src/crab/gba/apu/dma_channels.cr
+++ b/src/crab/gba/apu/dma_channels.cr
@@ -8,8 +8,8 @@ module GBA
     @timers : Array(Proc(UInt16))
     @latches = Array(Int16).new 2, 0
 
-    def ===(value) : Bool
-      value.is_a?(Int) && RANGE.includes?(value)
+    def ===(other) : Bool
+      other.is_a?(Int) && RANGE.includes?(other)
     end
 
     def initialize(@gba : GBA, @control : Reg::SOUNDCNT_H)