WIP emulator state

snes-core/src/cpu/bus.rs

@@ -54,7 +54,7 @@ impl Bus {
         match section {
             MemoryMap::WRAM => self.read_wram(address),
             MemoryMap::PPU => self.ppu.registers.read(address as u16),
-            _ => todo!("Implement other memory sections"),
+            _ => todo!("Implement other memory sections. Address: {:#08X}", address),
         }
     }
 
@@ -63,7 +63,7 @@ impl Bus {
         match section {
             MemoryMap::WRAM => self.write_wram(address, value),
             MemoryMap::PPU => self.ppu.registers.write(address as u16, value),
-            _ => todo!("Implement other memory sections"),
+            _ => todo!("Implement other memory sections. Address: {:#08X}", address),
         }
     }
 }

snes-core/src/emulator.rs

@@ -7,6 +7,7 @@ pub struct Emulator {
     pub cpu: CPU,
     pub bus: Bus,
     pub rom: Box<dyn ROM>,
+    pub is_frame_ending: bool,
 }
 
 impl Emulator {
@@ -15,6 +16,7 @@ impl Emulator {
             cpu: CPU::new(),
             bus: Bus::new(),
             rom: Box::new(LoROM::new()),
+            is_frame_ending: false,
         }
     }
 
@@ -23,5 +25,7 @@ impl Emulator {
         self.bus.ppu.tick(self.cpu.cycles);
 
         self.cpu.cycles = 0;
+
+        self.is_frame_ending = true;
     }
 }