diff --git a/src/bios.rs b/src/bios.rs
index ce01862..175446f 100644
--- a/src/bios.rs
+++ b/src/bios.rs
@@ -104,7 +104,6 @@ pub unsafe fn register_ram_reset(flags: RegisterRAMResetFlags) {
 }
 newtype! {
   /// Flags for use with `register_ram_reset`.
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   RegisterRAMResetFlags, u8
 }
 #[allow(missing_docs)]
diff --git a/src/io/background.rs b/src/io/background.rs
index c5df78b..493fb59 100644
--- a/src/io/background.rs
+++ b/src/io/background.rs
@@ -21,7 +21,6 @@ newtype! {
   /// Bit 8-12: Screen Base Block (0 through 31, 2k each)
   /// Bit 13: Display area overflow wraps (otherwise transparent, affine BG only)
   /// Bit 14-15: Screen Size
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   BackgroundControlSetting, u16
 }
 impl BackgroundControlSetting {
diff --git a/src/io/display.rs b/src/io/display.rs
index b5e52ae..ded95a5 100644
--- a/src/io/display.rs
+++ b/src/io/display.rs
@@ -24,7 +24,6 @@ newtype!(
   /// * 13: Window 0 display
   /// * 14: Window 1 display
   /// * 15: Object window
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   DisplayControlSetting,
   u16
 );
@@ -103,12 +102,10 @@ pub const DISPSTAT: VolAddress<DisplayStatusSetting> = unsafe { VolAddress::new_
 
 newtype!(
   /// A newtype over display status and interrupt control values.
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   DisplayStatusSetting,
   u16
 );
 
-#[allow(missing_docs)]
 impl DisplayStatusSetting {
   phantom_fields! {
     self.0: u16,
@@ -168,7 +165,6 @@ newtype! {
   /// * Bits 4-7: BG mosaic vertical increase
   /// * Bits 8-11: Object mosaic horizontal increase
   /// * Bits 12-15: Object mosaic vertical increase
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   MosaicSetting, u16
 }
 impl MosaicSetting {
diff --git a/src/io/dma.rs b/src/io/dma.rs
index 7dca8de..bea9669 100644
--- a/src/io/dma.rs
+++ b/src/io/dma.rs
@@ -63,7 +63,6 @@ use super::*;
 
 newtype! {
   /// Allows you to configure a DMA unit.
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   DMAControlSetting, u16
 }
 #[allow(missing_docs)]
diff --git a/src/io/keypad.rs b/src/io/keypad.rs
index ec24995..bbbbf3a 100644
--- a/src/io/keypad.rs
+++ b/src/io/keypad.rs
@@ -27,7 +27,6 @@ newtype! {
   ///
   /// Methods here follow the "high-active" convention, where a bit is enabled
   /// when it's part of the set.
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   KeyInput, u16
 }
 
@@ -100,7 +99,6 @@ newtype! {
   /// NOTE: This _only_ configures the operation of when keypad interrupts can
   /// fire. You must still set the `IME` to have interrupts at all, and you must
   /// further set `IE` for keypad interrupts to be possible.
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   KeyInterruptSetting, u16
 }
 #[allow(missing_docs)]
diff --git a/src/io/timers.rs b/src/io/timers.rs
index 6086ebe..25cc516 100644
--- a/src/io/timers.rs
+++ b/src/io/timers.rs
@@ -61,7 +61,6 @@ newtype! {
   ///   mode naturally does nothing when used with Timer 0.
   /// * Bit 6: Raise a timer interrupt upon overflow.
   /// * Bit 7: Enable the timer.
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   TimerControlSetting, u16
 }
 impl TimerControlSetting {
diff --git a/src/lib.rs b/src/lib.rs
index 9361a12..82b9286 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -28,22 +28,29 @@ pub(crate) use gba_proc_macro::phantom_fields;
 /// of your docs and derives in front of your newtype in the same way you would
 /// for a normal struct. Then the inner type to be wrapped it name.
 ///
-/// The macro _assumes_ that you'll be using it to wrap zero safe numeric types,
-/// so it automatically provides a `const fn` method for `new` that just wraps
-/// `0`. If this is not desired you can add `, no frills` to the invocation.
+/// The macro _assumes_ that you'll be using it to wrap numeric types and that
+/// it's safe to have a `0` value, so it automatically provides a `const fn`
+/// method for `new` that just wraps `0`. Also, it derives Debug, Clone, Copy,
+/// Default, PartialEq, and Eq. If all this is not desired you can add `, no
+/// frills` to the invocation.
 ///
 /// Example:
 /// ```
 /// newtype! {
 ///   /// Records a particular key press combination.
-///   #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
 ///   KeyInput, u16
 /// }
+/// newtype! {
+///   /// You can't derive most stuff above array size 32, so we add
+///   /// the `, no frills` modifier.
+///   BigArray, [u8; 200], no frills
+/// }
 /// ```
 #[macro_export]
 macro_rules! newtype {
   ($(#[$attr:meta])* $new_name:ident, $v:vis $old_name:ty) => {
     $(#[$attr])*
+    #[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
     #[repr(transparent)]
     pub struct $new_name($v $old_name);
     impl $new_name {
@@ -60,18 +67,58 @@ macro_rules! newtype {
   };
 }
 
+#[macro_export]
+macro_rules! newtype_enum {
+  (
+    $(#[$struct_attr:meta])*
+    $new_name:ident = $old_name:ident,
+    $($(#[$tag_attr:meta])* $tag_name:ident = $base_value:expr,)*
+  ) => {
+    $(#[$struct_attr])*
+    #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+    #[repr($old_name)]
+    pub enum $new_name {
+      $(
+        $(#[$tag_attr])*
+        $tag_name = $base_value,
+      )*
+    }
+  };
+}
+
+newtype_enum! {
+  /// the Foo
+  Foo = u16,
+  /// the Bar
+  Bar = 0,
+  /// The Zap
+  Zap = 1,
+}
+
 pub mod base;
 pub(crate) use self::base::*;
+
 pub mod bios;
+
+pub mod wram;
+
 pub mod io;
-pub mod mgba;
-pub mod oam;
+
 pub mod palram;
+
 pub mod vram;
 
+pub mod oam;
+
+pub mod rom;
+
+pub mod sram;
+
+pub mod mgba;
+
 newtype! {
   /// A color on the GBA is an RGB 5.5.5 within a `u16`
-  #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
+  #[derive(PartialOrd, Ord, Hash)]
   Color, u16
 }
 
diff --git a/src/oam.rs b/src/oam.rs
index 958158b..897e76e 100644
--- a/src/oam.rs
+++ b/src/oam.rs
@@ -11,7 +11,6 @@ newtype! {
   /// * Bit 12: Mosaic
   /// * Bit 13: is 8bpp
   /// * Bits 14-15: Object Shape: Square, Horizontal, Vertical
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   OBJAttr0, u16
 }
 impl OBJAttr0 {
@@ -75,7 +74,6 @@ newtype! {
   ///   * Normal render: Bit 12 holds hflip and 13 holds vflip.
   ///   * Affine render: The affine parameter selection.
   /// * Bits 14-15: Object Size
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   OBJAttr1, u16
 }
 impl OBJAttr1 {
@@ -119,7 +117,6 @@ newtype! {
   /// * Bits 0-9: Base Tile Index (tile offset from CBB4)
   /// * Bits 10-11: Priority
   /// * Bits 12-15: Palbank (if using 4bpp)
-  #[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
   OBJAttr2, u16
 }
 impl OBJAttr2 {
diff --git a/src/rom.rs b/src/rom.rs
new file mode 100644
index 0000000..2414747
--- /dev/null
+++ b/src/rom.rs
@@ -0,0 +1 @@
+//! Module for things related to ROM.
diff --git a/src/sram.rs b/src/sram.rs
new file mode 100644
index 0000000..a294d5f
--- /dev/null
+++ b/src/sram.rs
@@ -0,0 +1 @@
+//! Module for things related to SRAM.
diff --git a/src/vram/affine.rs b/src/vram/affine.rs
index 57293a0..6b1f556 100644
--- a/src/vram/affine.rs
+++ b/src/vram/affine.rs
@@ -4,7 +4,6 @@ use super::*;
 
 newtype! {
   /// A screenblock entry for use in Affine mode.
-  #[derive(Debug, Clone, Copy, Default)]
   AffineScreenblockEntry, u8
 }
 
diff --git a/src/vram/text.rs b/src/vram/text.rs
index 44a07d0..07db59b 100644
--- a/src/vram/text.rs
+++ b/src/vram/text.rs
@@ -4,7 +4,6 @@ use super::*;
 
 newtype! {
   /// A screenblock entry for use in Text mode.
-  #[derive(Debug, Clone, Copy, Default)]
   TextScreenblockEntry, u16
 }
 impl TextScreenblockEntry {
diff --git a/src/wram.rs b/src/wram.rs
new file mode 100644
index 0000000..405d022
--- /dev/null
+++ b/src/wram.rs
@@ -0,0 +1 @@
+//! Module for things related to WRAM.