-static __data uint16_t lex_i;
-static __data uint8_t lex_c;
-static __data uint8_t lex_status;
-static __data uint8_t lex_echo;
+static __xdata uint16_t lex_i;
+static __xdata uint8_t lex_c;
+static __xdata uint8_t lex_status;
+static __xdata uint8_t lex_echo;