fix: restored some update stat operations

CHANGELOG.md

@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 * Issue with background color and change of palette colors
+* Issue related with STAT interrupt not being triggered for all conditions
 
 ## [0.5.5] - 2022-11-17
 

src/ppu.rs

@@ -407,6 +407,7 @@ impl Ppu {
 
                     self.mode = PpuMode::HBlank;
                     self.mode_clock -= 172;
+                    self.update_stat()
                 }
             }
             PpuMode::HBlank => {
@@ -456,6 +457,7 @@ impl Ppu {
                         self.window_counter = 0;
                         self.first_frame = false;
                         self.frame_index = self.frame_index.wrapping_add(1);
+                        self.update_stat()
                     }
 
                     self.mode_clock -= 456;