Add build test bench for Xilinx Spartan 3A
Add missing indentation to generated code
Add optional test case and version specification to invokation
Remove reference to non-existent filter file
Eliminate VCD waveform from simulation
Remove extra signal initializations, correct usage of register, add initialization of "s_R" signal
Remove extra signal initializations, remove unused lsb from "s__Rx_s"
Rework signal to eliminate unused bits (and the associated ISE warning)
Move "localparam" statements to work around ISE error, fix repeated ISE warning about partial signal initialization, fix syntax error
Remove extra signal initialization
Add build test for all peripherals for Xilinx Spartan 3A