Make MMU debug output show the address being translated

src/mmu.rs

@@ -222,7 +222,8 @@ impl Mmu for MmuCard {
                 }
                 if print_debug {
                     println!(
-                        "Translation success, translated to {:#x}",
+                        "Translation success, translated {:#x} to {:#x}",
+                        address,
                         (entry.frame << 12) | offset
                     );
                 }