chore: dummy support for CGB infrared

joamag · Aug 4, 2024 · 96e1547 · 96e1547
1 parent c3f9af8
commit 96e1547
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Showing 2 changed files with 8 additions and 0 deletions.
diff --git 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
@@ -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),