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Hello, dear FPGA enthusiasts! Currently, I have been working with my OV7670 camera and can present it on an HDMI screen. However, this was done without a simulation. What I want to do right now is to use a TPG provided from Xlinix in my design and remove the OV7670 fully. However, the problem is that I really don't know how to go next since I am using uB together with a VDMA and TPG. I know that you can include the ELF file from the uB in order to simulate your design together with uB. My question to you is where I can find C code for the TPG used in the nexys video board? Is there any guidelines or documents that provide information on how I have to set up my design before I simulate AXI4 peripherals. Do I need to create my own testbench or is there testbench's out there that are already done? Initially, I was using the ILA to test my peripherals but that is a very ineffective way of testing my models since it takes a lot of time and it is hectic to recompile when I make a small change. I have attached my block design. regards, John hdmi.pdf