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src/window/vram/utils.rs

@@ -134,6 +134,12 @@ pub fn read_char_row(
     })
 }
 
+pub fn read_char_pixel(char: &[u16; 8], hflip: bool, vflip: bool, row: usize, col: usize) -> u8 {
+    let pixels = if vflip { char[7 - row] } else { char[row] };
+    let pixel = if hflip { 7 - col } else { col } << 1;
+    ((pixels >> pixel) & 0x3) as u8
+}
+
 pub struct CharacterGrid<'a> {
     source: ImageSource<'a>,
     scale: f32,