only request coincidence interrupt after hblank

feo-boy · Jan 12, 2021 · d7600f7 · d7600f7
1 parent a4fb8a0
commit d7600f7
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/graphics/mod.rs b/src/graphics/mod.rs
@@ -276,6 +276,10 @@ impl Ppu {
                 self.modeclock = 0;
                 self.line += 1;
 
+                if self.lcd_status_interrupts.ly_lyc_coincidence && self.line == self.line_compare {
+                    interrupts.lcd_status.requested = true;
+                }
+
                 if self.line > 143 {
                     // Push the pixels to a frame.
                     self.frame = self.pixels.clone();
@@ -337,10 +341,6 @@ impl Ppu {
                 }
                 _ => (),
             }
-
-            if self.lcd_status_interrupts.ly_lyc_coincidence && self.line == self.line_compare {
-                interrupts.lcd_status.requested = true;
-            }
         }
     }