VHDL Projects Basics Software: ✔ XILINX (ISE Design Suite 14.7v) P1-Switches and Leds: Two Leds can be controlled by two switches respectively. I have also wrote a code in testBench to simulate that program. P2-Gates: This folder contains VHDL code of basic gates AND,OR,NOR,NAND,XOR,XNOR. P3_JK_FlipFlop and P4_T_FlipFlop.