From 96e154712dc6e4a192b109e44ddeed2a5a594ef7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Magalh=C3=A3es?= <joamag@gmail.com>
Date: Sun, 4 Aug 2024 20:34:31 +0100
Subject: [PATCH] chore: dummy support for CGB infrared

---
 src/macros.rs | 2 ++
 src/mmu.rs    | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/src/macros.rs b/src/macros.rs
index a9344317..95c649d3 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -1,3 +1,5 @@
+//! Assorted set of macros to be used in the context of Boytacean.
+
 #[cfg(feature = "debug")]
 #[macro_export]
 macro_rules! debugln {
diff --git a/src/mmu.rs b/src/mmu.rs
index d3cbd313..7b4663d7 100644
--- a/src/mmu.rs
+++ b/src/mmu.rs
@@ -424,6 +424,9 @@ impl Mmu {
             // 0xFF51-0xFF55 - VRAM DMA (HDMA) (CGB only)
             0xff51..=0xff55 => self.dma.read(addr),
 
+            // 0xFF56 - RP: Infrared communications port (CGB only)
+            0xff56 => 0xff,
+
             // 0xFF68-0xFF6B - BG / OBJ Palettes (CGB only)
             0xff68..=0xff6b => self.ppu.read(addr),
 
@@ -521,6 +524,9 @@ impl Mmu {
             // 0xFF51-0xFF55 - VRAM DMA (HDMA) (CGB only)
             0xff51..=0xff55 => self.dma.write(addr, value),
 
+            // 0xFF56 - RP: Infrared communications port (CGB only)
+            0xff56 => {}
+
             // 0xFF68-0xFF6B - BG / OBJ Palettes (CGB only)
             0xff68..=0xff6b => self.ppu.write(addr, value),