[LCD] fix y-flip line calculation for 8x16 sprites

StarlitGhost · Nov 7, 2019 · 8dca8f1 · 8dca8f1
1 parent dbccccd
commit 8dca8f1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/gameboy/lcd.rs b/src/gameboy/lcd.rs
@@ -514,7 +514,7 @@ impl LCD {
 
             // calculate the line within the sprite that the current LCD line intersects
             let sprite_line = if sprite.attributes.y_flip() {
-                7 - (self.lcd_y + 16 - y_pos)
+                (y_size - 1) - (self.lcd_y + 16 - y_pos)
             } else {
                 self.lcd_y + 16 - y_pos
             };