From 25f45e18f7df13c0a79f6a1e115efc1a5cb094a9 Mon Sep 17 00:00:00 2001
From: Alex Janka <alex@alexjanka.com>
Date: Mon, 6 Feb 2023 21:10:13 +1100
Subject: [PATCH] more handling

---
 src/processor/memory.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/processor/memory.rs b/src/processor/memory.rs
index 2adc5a5..1c9d81a 100644
--- a/src/processor/memory.rs
+++ b/src/processor/memory.rs
@@ -151,6 +151,16 @@ impl Memory {
                     }
                 }
                 0xFF04 => self.io[addr_l] = 0,
+                0xFF00 | 0xFF11 | 0xFF14 | 0xFF16 | 0xFF19 | 0xFF1E | 0xFF23 | 0xFF26 | 0xFF41
+                | 0xFF4D | 0xFF56 => {
+                    // mixed read/write addresses...
+                    // need to fill these out more...
+                    // just seeing what breaks...
+                }
+                0xFF44 | 0xFF76 | 0xFF77 => {
+                    // read-only addresses
+                    println!("BANNED write: {:#X} to {:#X}", data, address);
+                }
                 _ => {
                     self.io[addr_l] = data;
                     // panic!("passed non-io address to io handler!");