Fix minor warnings and debug log

src/cpu.rs

@@ -1729,7 +1729,12 @@ impl Cpu {
             0xEA => inst!("NOP", 1, || {
                 log!("{addr:04X}: NOP");
             }),
-            _ => todo!("ins: 0x{:04X}: 0x{ins:X}, {params:X?}", self.pc - 1),
+            // _ => todo!("ins: 0x{:04X}: 0x{ins:X}, {params:X?}", self.pc - 1),
+            _ => {
+                println!("ins: 0x{:04X}: 0x{ins:X}, {params:X?}", self.pc - 1);
+                self.halt();
+                ExecState::Done
+            }
         }
     }
 
@@ -1936,7 +1941,9 @@ impl Cpu {
     }
 
     pub fn reset(&mut self, mem: &mut CpuMem<'_>) {
+        let debug_log = self.debug_log.enabled();
         *self = Self::init();
+        if debug_log { self.debug_log.enable(); }
         self.pc = u16::from_le_bytes([mem.read(0xFFFC), mem.read(0xFFFD)]);
         self.sp = 0xFD;
         self.status.set_interrupt_disable(true);