0. its alpha version!!!

1. commands changed from "hf 14a" to "hf mf" 
2. some code cleaning and small bugfixes
3. alpha version hf mf sim
4. added internal function GetTickCount() for time measuring

armsrc/util.h

@@ -14,6 +14,8 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#define RAMFUNC __attribute((long_call, section(".ramfunc")))
+
 #define BYTEx(x, n) (((x) >> (n * 8)) & 0xff )
 
 #define LED_RED 1
@@ -37,4 +39,7 @@ int BUTTON_CLICKED(int ms);
 int BUTTON_HELD(int ms);
 void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information);
 
+void StartTickCount();
+uint32_t RAMFUNC GetTickCount();
+
 #endif