13.56 Mhz mifare C code

Hi all,
I need code and circuit for 13.56Mhz 14443A Mifare R/W card read and write...
this is my associate degreethesis..
Thanks all Hava a nice days...

Hi
I have the same problem
I am using a RFID reader module and I have designed a circuit dor interfacing it to PC
but i don't understand the codes that it gives, I need a C program or a document that explain the format of data that it send
have you solved your problem?
could you help me?
Thanks in advance