better handling of application reset in emulation

Firmware/Chameleon-Mini/AntennaLevel.c

@@ -1,5 +1,6 @@
 #include "AntennaLevel.h"
 #include "LEDHook.h"
+#include "Application/Application.h"
 
 #define FIELD_MIN_RSSI 500
 
@@ -8,7 +9,11 @@ void AntennaLevelTick(void)
 	uint16_t rssi = AntennaLevelGet();
 
 	if (rssi < FIELD_MIN_RSSI)
+	{
 		LEDHook(LED_FIELD_DETECTED, LED_OFF);
-	else
+		if (ActiveConfiguration.UidSize != 0) // this implies that we are emulating right now
+			ApplicationReset(); // reset the application just like a real card gets reset when there is no field
+	} else {
 		LEDHook(LED_FIELD_DETECTED, LED_ON);
+	}
 }

Firmware/Chameleon-Mini/Application/MifareUltralight.c

@@ -73,7 +73,6 @@ void MifareUltralightAppInit(void)
 void MifareUltralightAppReset(void)
 {
     State = STATE_IDLE;
-    FromHalt = false;
 }
 
 void MifareUltralightAppTask(void)

Firmware/Chameleon-Mini/Codec/ISO14443-2A.c

@@ -433,8 +433,6 @@ void ISO14443ACodecTask(void) {
                 /* We have to generate the parity bits ourself */
             	ParityBufferPtr = 0;
             }
-        } else {
-            ApplicationReset();
         }
 
         if (AnswerBitCount != ISO14443A_APP_NO_RESPONSE) {