feat: new ignore on error I/O writing

.gitignore

@@ -5,4 +5,5 @@ Cargo.lock
 /.idea
 
 /target
+/res/roms
 /examples/*/target

examples/sdl/src/main.rs

@@ -75,7 +75,7 @@ fn main() {
 
     let mut game_boy = GameBoy::new();
     game_boy.load_boot_default();
-    game_boy.load_rom("C:/Users/joamag/Desktop/tetris.gb");
+    game_boy.load_rom("../../res/roms/tetris.gb");
 
     let mut counter = 0;
 

src/mmu.rs

@@ -64,7 +64,7 @@ impl Mmu {
                 0x000 | 0x100 | 0x200 | 0x300 | 0x400 | 0x500 | 0x600 | 0x700 | 0x800 | 0x900
                 | 0xa00 | 0xb00 | 0xc00 | 0xd00 => self.ram[(addr & 0x1fff) as usize],
                 0xe00 => {
-                    println!("READING FROM PPU OAM - NOT IMPLEMENTED");
+                    println!("Reading from PPU OAM - NOT IMPLEMENTED");
                     0x00
                 }
                 0xf00 => {
@@ -126,7 +126,7 @@ impl Mmu {
                     self.ram[(addr & 0x1fff) as usize] = value;
                 }
                 0xe00 => {
-                    println!("WRITING TO PPU OAM");
+                    println!("Writing to PPU OAM");
                 }
                 0xf00 => {
                     if addr >= 0xff80 {

src/ppu.rs

@@ -241,7 +241,8 @@ impl Ppu {
                         color_index => panic!("Invalid palette color index {:04x}", color_index),
                     }
                 }
-            }
+            },
+            0x007f => (),
             addr => panic!("Writing in unknown PPU location 0x{:04x}", addr),
         }
     }