This instructable provides instructions how to make HDMI passthrough on Nexys Video.
Step 1: Download and Open the Vivado Project
Download the zip file attached to this step, then Unzip the file and open the vivado project.
Step 2: Generate the Bit File and Program Your Board
Once the file is open you can generate the bit file and program the board.
To generate the bit file double click generate bitstream.
To program the board open the hardware manager, open target and program the board.
Step 3: Plug Everything Together
After that you can invert red, green or blue colour by moving correspond switch.
Step 4: Add Your Modification on Video
By editing neg_vid.vhd file you can add your own modification on the video.