editor changes

common/src/instructions/args.rs

@@ -16,6 +16,7 @@ impl From<RegisterParseError> for ArgsDecodeError {
     fn from(value: RegisterParseError) -> Self {
         match value {
             RegisterParseError::InvalidIndex(idx) => Self::InvalidRegister(idx),
+            RegisterParseError::InvalidName(_) => Self::InvalidRegister(0xFF),
         }
     }
 }