From 7e9aa203cd7fea1644ed71055c9e5601d1daca39 Mon Sep 17 00:00:00 2001
From: Samuel Perrouault <samuel.perrouault@gmail.com>
Date: Wed, 26 Mar 2025 15:53:56 +0100
Subject: implement LD [I], Vx and LD Vx, [I]

---
 src/chip8.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/chip8.rs b/src/chip8.rs
index ea3790b..a48b86a 100644
--- a/src/chip8.rs
+++ b/src/chip8.rs
@@ -181,6 +181,21 @@ impl Chip8 {
                 }
                 self.draw = true;
             }
+            0xF000 => match opcode & 0x00FF {
+                0x0055 => {
+                    eprintln!("LD [I], V{}", x);
+                    for i in 0..=x {
+                        self.memory[self.i as usize + i] = self.v[i];
+                    }
+                }
+                0x0065 => {
+                    eprintln!("LD V{}, [I]", x);
+                    for i in 0..=x {
+                        self.v[i] = self.memory[self.i as usize + i];
+                    }
+                }
+                _ => unknown_opcode(opcode),
+            },
             _ => unknown_opcode(opcode),
         };
 
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