• 0
gummadi Teja

Keyboard interfacing

Question

thank you sir, but this code is display for a letters on the seven segment display, but we require display the letters on the monitor by using vga controller. For that we implement some code

if we press one key it displays on monitor after pressing second key the first letter will automatically erase on the monitor it displays only second letter what we are enter on keyboard. How can we solve this problem sir.

we are attaching my code in below, Kindly see our code and verify, please remind us what  mistakes we done.

font_rom.v

font_test_top.v

key.v

letter_key.v

vga.v

Share this post


Link to post
Share on other sites

6 answers to this question

Recommended Posts

  • 0

Hi @gummadi Teja,

It appears that after each key press the display output is being cleared. The cursor position is alternating between each button press. I would suggest to have a file that keeps track of the output. 

1)  Please post the  HDL code are you currently using. 

thank you,

Jon

 

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now