Xilinx Ise 10.1 -

ISE 10.1 came tightly integrated with ChipScope Pro (version 10.1). This in-system logic analyzer allowed engineers to probe internal signals on a running FPGA without bringing pins out to a scope. For debugging a glitch on a Virtex-4, this was revolutionary.

and supported synthesis for VHDL and Verilog 2001 (though it lacked full SystemVerilog support www.academia.edu Common Use Cases xilinx ise 10.1