Hi, I tried to apply the stimuli using modelsim to the sequential adder that I described in vhdl. In particular:

Hi,

Thanks for the details.

Why don`t you use latest Free Quartus(Lite) & Modelsim starter versions?

http://fpgasoftware.intel.com/18.1/?edition=lite&platform=windows&download_manager=dlm3&product=modelsim_ae#tabs-2

I would like to suggest you, try at your end with latest versions also as mentioned vector waveform in previous post.

I am looking forward to listen you.

Thanks,

Vicky