In our CPE 233 class with Professor Mealy, we built an entire Microprocessor from scratch, known as “The Rat”. This was an ambitious assignment, but with the help of two awesome TA’s we were able to get it done.

Now we were told to make something useful out of it…

so we made a version of Tetris.

The teacher gave us some weird looks and a reality check on making a whole game of that complexity, but we tried it anyways and he said he would give us a grade based on progress.

So first we got a sample VGA driver from our class resources and adapted it to our needs:

but it didn’t quite work the first time. Just another try:

better! Now we have two things. A game field and one tetris square.

The next things to take care of were gravity and collision detection:

but the detection didn’t always work in certain situations and the blocks overlapped.

It was fun trying though! At least we got to a game over state. We made it auto stop once the player failed on the game.

Thanks to Andrew Gillis for being super legit on the programming with this, it’s a lot more of a showcase of his skills than mine.

Skills learned:

• Actual uses for our microprocessor we built
• How to use it with a VGA monitor.

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Valuables obtained:

• A game of Tetris

Overall, this class was pretty awesome, and I hope to mess with the Spartan series of chips more in the future.

Thanks for reading!

-AH