fixed PPU scroll issue

2026-08-10 22:36:13 -05:00
parent 2c0aa5f18f
commit 2e8244f0cf
2 changed files with 2 additions and 2 deletions
@@ -179,7 +179,7 @@ impl Ppu {

    pub fn write(&mut self, cart: &mut Cartridge, addr: u16, val: u8) {
        match addr & 0x2007 {
-            0x2000 => self.ctrl = val,
+            0x2000 => { self.ctrl = val; self.t = (self.t & !0x0C00) | (((val & 0x03) as u16) << 10); },
            0x2001 => self.mask = val,
            0x2002 => {}                 // write ignored
            0x2003 => self.oamaddr = val,