diff --git a/src/mmio_addresses.rs b/src/mmio_addresses.rs
index 315ce34..dd75600 100644
--- a/src/mmio_addresses.rs
+++ b/src/mmio_addresses.rs
@@ -287,3 +287,21 @@ pub const INTR_WAIT_ACKNOWLEDGE: VolAddress<InterruptFlags, Safe, Unsafe> = unsa
   // refer to that value instead.
   VolAddress::new(0x0300_FFF8)
 };
+
+pub const BACKDROP_COLOR: VolAddress<Color, Safe, Safe> = unsafe { VolAddress::new(0x0500_0000) };
+
+pub const BG_PALETTE: VolBlock<Color, Safe, Safe, 256> = unsafe { VolBlock::new(0x0500_0000) };
+
+pub const OBJ_PALETTE: VolBlock<Color, Safe, Safe, 256> = unsafe { VolBlock::new(0x0500_0200) };
+
+pub const OAM_ATTR0: VolSeries<ObjAttr0, Safe, Safe, 128, 8> =
+  unsafe { VolSeries::new(0x0700_0000) };
+pub const OAM_ATTR1: VolSeries<ObjAttr1, Safe, Safe, 128, 8> =
+  unsafe { VolSeries::new(0x0700_0002) };
+pub const OAM_ATTR2: VolSeries<ObjAttr2, Safe, Safe, 128, 8> =
+  unsafe { VolSeries::new(0x0700_0004) };
+
+pub const OAM_PA: VolSeries<i16, Safe, Safe, 32, 0x20> = unsafe { VolSeries::new(0x0700_0006) };
+pub const OAM_PB: VolSeries<i16, Safe, Safe, 32, 0x20> = unsafe { VolSeries::new(0x0700_000E) };
+pub const OAM_PC: VolSeries<i16, Safe, Safe, 32, 0x20> = unsafe { VolSeries::new(0x0700_0016) };
+pub const OAM_PD: VolSeries<i16, Safe, Safe, 32, 0x20> = unsafe { VolSeries::new(0x0700_001E) };
diff --git a/src/mmio_types.rs b/src/mmio_types.rs
index 9a98578..beb4393 100644
--- a/src/mmio_types.rs
+++ b/src/mmio_types.rs
@@ -209,3 +209,12 @@ pub use noise_len_env::*;
 
 mod noise_frequency_control;
 pub use noise_frequency_control::*;
+
+mod obj_attr0;
+pub use obj_attr0::*;
+
+mod obj_attr1;
+pub use obj_attr1::*;
+
+mod obj_attr2;
+pub use obj_attr2::*;
diff --git a/src/mmio_types/obj_attr0.rs b/src/mmio_types/obj_attr0.rs
new file mode 100644
index 0000000..89f1fcb
--- /dev/null
+++ b/src/mmio_types/obj_attr0.rs
@@ -0,0 +1,15 @@
+use super::*;
+
+#[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
+#[repr(transparent)]
+pub struct ObjAttr0(u16);
+impl ObjAttr0 {
+  const_new!();
+  bitfield_int!(u16; 0..=7: u16, y_pos, with_y_pos, set_y_pos);
+  bitfield_bool!(u16; 8, affine, with_affine, set_affine);
+  bitfield_bool!(u16; 9, double_disabled, with_double_disabled, set_double_disabled);
+  bitfield_int!(u16; 10..=11: u16, obj_mode, with_obj_mode, set_obj_mode);
+  bitfield_bool!(u16; 12, mosaic, with_mosaic, set_mosaic);
+  bitfield_bool!(u16; 13, use_palbank, with_use_palbank, set_use_palbank);
+  bitfield_int!(u16; 14..=15: u16, obj_shape, with_obj_shape, set_obj_shape);
+}
diff --git a/src/mmio_types/obj_attr1.rs b/src/mmio_types/obj_attr1.rs
new file mode 100644
index 0000000..033c721
--- /dev/null
+++ b/src/mmio_types/obj_attr1.rs
@@ -0,0 +1,13 @@
+use super::*;
+
+#[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
+#[repr(transparent)]
+pub struct ObjAttr1(u16);
+impl ObjAttr1 {
+  const_new!();
+  bitfield_int!(u16; 0..=8: u16, x_pos, with_x_pos, set_x_pos);
+  bitfield_int!(u16; 9..=13: u16, affine_index, with_affine_index, set_affine_index);
+  bitfield_bool!(u16; 12, hflip, with_hflip, set_hflip);
+  bitfield_bool!(u16; 13, vflip, with_vflip, set_vflip);
+  bitfield_int!(u16; 14..=15: u16, obj_size, with_obj_size, set_obj_size);
+}
diff --git a/src/mmio_types/obj_attr2.rs b/src/mmio_types/obj_attr2.rs
new file mode 100644
index 0000000..9258d15
--- /dev/null
+++ b/src/mmio_types/obj_attr2.rs
@@ -0,0 +1,11 @@
+use super::*;
+
+#[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
+#[repr(transparent)]
+pub struct ObjAttr2(u16);
+impl ObjAttr2 {
+  const_new!();
+  bitfield_int!(u16; 0..=9: u16, tile_index, with_tile_index, set_tile_index);
+  bitfield_int!(u16; 10..=11: u16, priority, with_priority, set_priority);
+  bitfield_int!(u16; 12..=15: u16, palbank_index, with_palbank_index, set_palbank_index);
+}