Adjust lo_rom mapping

2026-08-03 08:30:01 -04:00 · 2023-05-15 21:57:30 -05:00
parent a44895645c
commit cc5f57c911
1 changed files with 7 additions and 0 deletions
@@ -10,6 +10,12 @@ impl LoROM {
            data: vec![],
        }
    }
+
+    pub fn adjust_address(address: u32) -> u32 {
+        let page = (address >> 16) & 0x7F;
+        let address = address & 0x7FFF;
+        (page << 16) | address
+    }
 }

 impl ROM for LoROM {
@@ -18,6 +24,7 @@ impl ROM for LoROM {
    }

    fn read(&self, address: u32) -> u8 {
+        let address = LoROM::adjust_address(address);
        match self.data.get(address as usize) {
            Some(byte) => *byte,
            None => 0xFF,