From 8dca8f123ca944cb3b18c7bacb0ff85a36d12a45 Mon Sep 17 00:00:00 2001
From: StarlitGhost <679547+StarlitGhost@users.noreply.github.com>
Date: Thu, 7 Nov 2019 16:10:17 +0000
Subject: [PATCH] [LCD] fix y-flip line calculation for 8x16 sprites

---
 src/gameboy/lcd.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gameboy/lcd.rs b/src/gameboy/lcd.rs
index 4165587..a9474a2 100644
--- 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
             };