Download bitstream for validating the ALU behavior.

Download the bitstream file to local PC using WinSCP program.

Select ftp site "ftp.st.cs.kumamoto-u.ac.jp", and click "Login".
Enter your account ID for "Username" and your pass word for "Password".
In right window, select the "alu.bit" file as the bitstream file in your working directory such as "alu/alu.runs/impl_1/".
Then Drag and drop the "alu.bit" file into the left window in appropriate local directory.
After file transfer, close winSCP program.

Download the bitstream file into the FPGA on NEXYS4 board.

Select "create a new project" and click "OK".
Click "OK" in next window, and click "Cancel" in next window.
Then select the bitstream file "alu.bit", and click "Open".

Click "OK" in last window.
Following window is shown, then right click on "xc7a100t" symbol, and execute "Program".

Successfully if "Program Succeeded" displayed

Operation is follows;

• CE signal selects push button.
  
• If does not pushed, then LED shows the result of addition, A + B.
  
• And then, check flags correctly.
  
• Other operation also checking, SUB, OR, AND, NOT, and Shift operations.

If all operations is corrected, this practice is finished.

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