correct x_flip math in the ppu

jonathanballs · Sep 17, 2024 · 464fda1 · 464fda1
1 parent b28f41f
commit 464fda1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/mmu/ppu.rs b/src/mmu/ppu.rs
@@ -285,7 +285,7 @@ impl PPU {
 
             for x_offset in 0..8 {
                 let x_position = if x_flip {
-                    (x_position as usize).wrapping_sub(x_offset as usize)
+                    (x_position as usize).wrapping_sub(x_offset as usize + 1)
                 } else {
                     (x_position as usize)
                         .wrapping_add(x_offset as usize)