vhdl source code required

i need vhdl code for the following titles........ plz do this help, i need urgently, at the maximum those who know any 1 frm this also, plz send the source code....
1.FPGA-based UDP/IP stacks parallelism for embedded Ethernet connectivity 2.Design and Implementation of CDMA based Communication System in FPGA 3.UART Module for Real Time Application 4.Design and Implementation of 8051 Microcontroller in FPGA 5.Design and Implementation of PIC Microcontroller in FPGA 6.Design and Implementation of RISC Microcontroller in FPGA 7.Design and Verification of Inter IC (I2C) bus controller 8.Speed and Direction control of Stepper Motor Using FPGA 9.Design a Low Power 16-bit Booth Multiplier in FPGA 10.Improving Area Efficiency of FIR Filters Implemented Using Distributed Arithmetic 11.Design a High Speed First-in First-out (FIFO) in FPGA 12.Digital Design of DS-CDMA Transmitter and Receiver Using VHDL and FPGA 13.Design and Implementation of RSA Algorithm on FPGA 14.Design and Implementation of 8085 Microprocessor in FPGA