BGP, OP0, OP1

IsaacMarovitz · Dec 11, 2023 · 2471618 · 2471618
1 parent 5e57fbb
commit 2471618
Showing 1 changed file with 21 additions and 9 deletions.
diff --git a/src/gpu.rs b/src/gpu.rs
@@ -9,9 +9,12 @@ pub struct GPU {
     sy: u8,
     sx: u8,
     ly: u8,
-    lyc: u8,
+    lc: u8,
     wy: u8,
     wx: u8,
+    bgp: u8,
+    op0: u8,
+    op1: u8,
     lcdc: LCDC,
     lcds: LCDS,
     ram: [u8; 0x4000],
@@ -60,12 +63,15 @@ impl GPU {
     pub fn new(mode: GBMode) -> Self {
         Self {
             mode,
-            sy: 0,
-            sx: 0,
-            ly: 0,
-            lyc: 0,
-            wy: 0,
-            wx: 0,
+            sy: 0x00,
+            sx: 0x00,
+            ly: 0x00,
+            lc: 0x00,
+            wy: 0x00,
+            wx: 0x00,
+            bgp: 0x00,
+            op0: 0x00,
+            op1: 0x01,
             lcdc: LCDC::empty(),
             lcds: LCDS::empty(),
             ram: [0; 0x4000],
@@ -124,7 +130,10 @@ impl GPU {
             0xFF42 => self.sy,
             0xFF43 => self.sx,
             0xFF44 => self.ly,
-            0xFF45 => self.lyc,
+            0xFF45 => self.lc,
+            0xFF47 => self.bgp,
+            0xFF48 => self.op0,
+            0xFF49 => self.op1,
             0xFF4A => self.wy,
             0xFF4B => self.wx,
             0xFF4F => 0xFE | self.ram_bank as u8,
@@ -142,7 +151,10 @@ impl GPU {
             0xFF42 => self.sy = v,
             0xFF43 => self.sx = v,
             0xFF44 => print!("Attempted to write to LY!"),
-            0xFF45 => self.lyc = v,
+            0xFF45 => self.lc = v,
+            0xFF47 => self.bgp = v,
+            0xFF48 => self.op0 = v,
+            0xFF49 => self.op1 = v,
             0xFF4A => self.wy = v,
             0xFF4B => self.wx = v,
             0xFF4F => self.ram_bank = (v & 0x01) as usize,