Fix reset instruction to reset bus, not cpu

src/m68k.rs

@@ -421,7 +421,9 @@ impl M68K {
                     MoveDirection::RegToMem => self.usp = self.read_effective(areg, Size::Long),
                 }
             }
-            Instruction::Reset => self.reset(),
+            Instruction::Reset => {
+                self.bus.reset();
+            }
             Instruction::Nop => (),
             Instruction::Stop(sr) => {
                 self.sr = sr;