Clear WDRF flag and set WDCE before enabling watchdog

Makefile

@@ -50,13 +50,8 @@ DEPENDS   := $(FILES:%.c=$(TMPDIR)/%.d)
 # AUXILIARY TARGETS (AND FUSE SETTINGS)
 # ==============================================================================
 
-# .PHONY: all
-# all: flash
-
-.PHONY: run
-run: $(TARGET)
-	$(E) "[SIM] $<"
-	$(Q) $(SIM) -m $(MCU) -f $(FREQ) $<
+.PHONY: all
+all: flash
 
 .PHONY: flash
 flash: $(TARGET)
@@ -69,6 +64,11 @@ flash: $(TARGET)
 	       -U lock:w:0xFF:m      \
 	       -U flash:w:$<
 
+.PHONY: run
+run: $(TARGET)
+	$(E) "[SIM] $<"
+	$(Q) $(SIM) -m $(MCU) -f $(FREQ) $<
+
 .PHONY: clean
 clean:
 	$(E) "[REM] $(TARGET)"