input key code in verilog using a Nexsys 3 board and Xilinx

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bergk

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I have a Nexsys 3 board with a keypad pmod. I have the keypad working where when I press a key on the keypad and it displays on the 7 segment display. What I need now is somehow to read in more than one number, so when a sequence of 4 keys are pressed the word open displays on the 7 segment display. Any ideas???
 

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