fixed colors on the PPU

2026-08-09 22:05:49 -05:00
parent 9767b348e1
commit 1235717c54
2 changed files with 5 additions and 3 deletions
@@ -238,10 +238,10 @@ impl Ppu {
                let addr = 0x23C0
                    | (self.vram_addr & 0x0C00)
                    | ((self.vram_addr >> 4) & 0x38)
-                    | (self.vram_addr & 0x07);
+                    | ((self.vram_addr >> 2) & 0x07);
                let byte = self.nametable_read(cart, addr);
                // select the 2 bits for this tile's 2x2 block
-                let shift = ((self.vram_addr & 0x20) >> 3) | ((self.vram_addr & 0x01) << 1);
+                let shift = ((self.vram_addr & 0x40) >> 4) | (self.vram_addr & 0x02);
                self.attr_latch = (byte >> shift) & 0x03;
            }
            4 => {