diff --git a/lib/src/processor/memory.rs b/lib/src/processor/memory.rs
index 78f7cda..5eb6915 100644
--- a/lib/src/processor/memory.rs
+++ b/lib/src/processor/memory.rs
@@ -429,8 +429,8 @@ where
                         CgbIoAddress::Palette(address) => self.gpu.set_cgb_palette(address, data),
                         CgbIoAddress::ObjPriority => self.gpu.set_obj_priority(data),
                         CgbIoAddress::WramBank => *selected = (data & 0b111).max(1) as usize,
-                        CgbIoAddress::Pcm12 => todo!(),
-                        CgbIoAddress::Pcm34 => todo!(),
+                        CgbIoAddress::Pcm12 => {},
+                        CgbIoAddress::Pcm34 => {},
                         CgbIoAddress::Unused(v) => {
                             println!("attempt to set 0x{v:0>4X} to 0x{data:0>2X}")
                         }