У вашего броузера проблема в совместимости с HTML5
An FPGA project at School of Electrical Engineering, University of Belgrade.
The board used is Alinx AX309 featuring Xilinx Spartan-6 XC6SLX9 FPGA chip.
Verilog source code can be found at: https://github.com/ViktorSlavkovic/FPGA_Tetris