-extern void ReaderTransmit(uint8_t *frame, int len, uint32_t *timing);
-extern void ReaderTransmitBitsPar(uint8_t *frame, int bits, uint32_t par, uint32_t *timing);
-extern void ReaderTransmitPar(uint8_t *frame, int len, uint32_t par, uint32_t *timing);
-extern int ReaderReceive(uint8_t *receivedAnswer);
-extern int ReaderReceivePar(uint8_t *receivedAnswer, uint32_t *parptr);
-
-extern void iso14443a_setup();
-extern int iso14_apdu(uint8_t *cmd, size_t cmd_len, void *data);
-extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr);
+extern void RAMFUNC SnoopIso14443a(uint8_t param);
+extern void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t *data);
+extern void ReaderIso14443a(UsbCommand *c);
+extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);
+extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);
+extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);
+extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
+extern void ReaderMifare(bool first_try);
+
+extern int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *parity);
+extern int EmSendCmd(uint8_t *resp, uint16_t respLen);
+extern int EmSendCmdEx(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
+extern int EmSend4bit(uint8_t resp);
+extern int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par);
+extern int EmSendPrecompiledCmd(tag_response_info_t *response_info, bool correctionNeeded);
+
+extern bool prepare_allocated_tag_modulation(tag_response_info_t *response_info, uint8_t **buffer, size_t *buffer_size);
+
+extern void iso14443a_setup(uint8_t fpga_minor_mode);
+extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
+extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr, bool anticollision, uint8_t num_cascades, bool no_rats);